./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/floats-esbmc-regression/fmax.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_b4f77d03-bfa5-433d-9890-255d9aaaf9db/bin/ukojak-verify-ENZ3QT5qd3/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4f77d03-bfa5-433d-9890-255d9aaaf9db/bin/ukojak-verify-ENZ3QT5qd3/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4f77d03-bfa5-433d-9890-255d9aaaf9db/bin/ukojak-verify-ENZ3QT5qd3/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4f77d03-bfa5-433d-9890-255d9aaaf9db/bin/ukojak-verify-ENZ3QT5qd3/config/KojakReach.xml -i ../../sv-benchmarks/c/floats-esbmc-regression/fmax.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4f77d03-bfa5-433d-9890-255d9aaaf9db/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4f77d03-bfa5-433d-9890-255d9aaaf9db/bin/ukojak-verify-ENZ3QT5qd3 --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 692ce5297a7fea0d4b599b4f61096603d06980b8849818244aff0b91a738d1f6 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-25 05:09:40,813 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-25 05:09:40,889 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4f77d03-bfa5-433d-9890-255d9aaaf9db/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-11-25 05:09:40,894 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-25 05:09:40,894 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-25 05:09:40,915 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-25 05:09:40,916 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-25 05:09:40,916 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-25 05:09:40,916 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-25 05:09:40,917 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-25 05:09:40,917 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-25 05:09:40,917 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-25 05:09:40,917 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-25 05:09:40,917 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-25 05:09:40,917 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-25 05:09:40,917 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-25 05:09:40,917 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-25 05:09:40,918 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-25 05:09:40,918 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-25 05:09:40,918 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-25 05:09:40,918 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-25 05:09:40,918 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-25 05:09:40,918 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-25 05:09:40,918 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-25 05:09:40,918 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-25 05:09:40,918 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-25 05:09:40,919 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-25 05:09:40,919 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 05:09:40,919 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-25 05:09:40,919 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-25 05:09:40,919 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-25 05:09:40,919 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-25 05:09:40,919 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-25 05:09:40,919 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_b4f77d03-bfa5-433d-9890-255d9aaaf9db/bin/ukojak-verify-ENZ3QT5qd3 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 -> 692ce5297a7fea0d4b599b4f61096603d06980b8849818244aff0b91a738d1f6 [2024-11-25 05:09:41,208 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-25 05:09:41,219 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-25 05:09:41,223 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-25 05:09:41,224 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-25 05:09:41,226 INFO L274 PluginConnector]: CDTParser initialized [2024-11-25 05:09:41,227 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4f77d03-bfa5-433d-9890-255d9aaaf9db/bin/ukojak-verify-ENZ3QT5qd3/../../sv-benchmarks/c/floats-esbmc-regression/fmax.i [2024-11-25 05:09:44,280 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4f77d03-bfa5-433d-9890-255d9aaaf9db/bin/ukojak-verify-ENZ3QT5qd3/data/5a22a2a9b/19fd4bd6b8cb420b8f23ed8de888e16a/FLAG81e21b497 [2024-11-25 05:09:44,632 INFO L384 CDTParser]: Found 1 translation units. [2024-11-25 05:09:44,637 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4f77d03-bfa5-433d-9890-255d9aaaf9db/sv-benchmarks/c/floats-esbmc-regression/fmax.i [2024-11-25 05:09:44,655 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4f77d03-bfa5-433d-9890-255d9aaaf9db/bin/ukojak-verify-ENZ3QT5qd3/data/5a22a2a9b/19fd4bd6b8cb420b8f23ed8de888e16a/FLAG81e21b497 [2024-11-25 05:09:44,671 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4f77d03-bfa5-433d-9890-255d9aaaf9db/bin/ukojak-verify-ENZ3QT5qd3/data/5a22a2a9b/19fd4bd6b8cb420b8f23ed8de888e16a [2024-11-25 05:09:44,673 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-25 05:09:44,675 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-25 05:09:44,676 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-25 05:09:44,676 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-25 05:09:44,681 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-25 05:09:44,682 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 05:09:44" (1/1) ... [2024-11-25 05:09:44,683 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@13a37520 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:09:44, skipping insertion in model container [2024-11-25 05:09:44,683 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 05:09:44" (1/1) ... [2024-11-25 05:09:44,717 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-25 05:09:45,414 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_b4f77d03-bfa5-433d-9890-255d9aaaf9db/sv-benchmarks/c/floats-esbmc-regression/fmax.i[36279,36292] [2024-11-25 05:09:45,428 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: fmax at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.expressiontranslation.IntegerTranslation.constructOtherBinaryFloatOperation(IntegerTranslation.java:636) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.standardfunctions.StandardFunctionHandler.handleBinaryFloatFunction(StandardFunctionHandler.java:3136) 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:782) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:286) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.result.ExpressionResultTransformer.transformDispatchDecaySwitchRexBoolToInt(ExpressionResultTransformer.java:180) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.chandler.FunctionHandler.handleFunctionCallGivenNameAndArguments(FunctionHandler.java:667) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.chandler.FunctionHandler.handleFunctionCallExpression(FunctionHandler.java:542) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1607) 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$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2024-11-25 05:09:45,438 INFO L158 Benchmark]: Toolchain (without parser) took 762.98ms. Allocated memory is still 117.4MB. Free memory was 93.1MB in the beginning and 80.1MB in the end (delta: 12.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-25 05:09:45,439 INFO L158 Benchmark]: CDTParser took 0.62ms. Allocated memory is still 167.8MB. Free memory is still 105.6MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 05:09:45,439 INFO L158 Benchmark]: CACSL2BoogieTranslator took 760.58ms. Allocated memory is still 117.4MB. Free memory was 93.1MB in the beginning and 80.1MB in the end (delta: 12.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-25 05:09:45,440 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.62ms. Allocated memory is still 167.8MB. Free memory is still 105.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 760.58ms. Allocated memory is still 117.4MB. Free memory was 93.1MB in the beginning and 80.1MB 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: floating point operation not supported in non-bitprecise translation: fmax de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: UnsupportedOperationException: floating point operation not supported in non-bitprecise translation: fmax: de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.expressiontranslation.IntegerTranslation.constructOtherBinaryFloatOperation(IntegerTranslation.java:636) 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_b4f77d03-bfa5-433d-9890-255d9aaaf9db/bin/ukojak-verify-ENZ3QT5qd3/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4f77d03-bfa5-433d-9890-255d9aaaf9db/bin/ukojak-verify-ENZ3QT5qd3/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4f77d03-bfa5-433d-9890-255d9aaaf9db/bin/ukojak-verify-ENZ3QT5qd3/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4f77d03-bfa5-433d-9890-255d9aaaf9db/bin/ukojak-verify-ENZ3QT5qd3/config/KojakReach.xml -i ../../sv-benchmarks/c/floats-esbmc-regression/fmax.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4f77d03-bfa5-433d-9890-255d9aaaf9db/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4f77d03-bfa5-433d-9890-255d9aaaf9db/bin/ukojak-verify-ENZ3QT5qd3 --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 692ce5297a7fea0d4b599b4f61096603d06980b8849818244aff0b91a738d1f6 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-25 05:09:48,029 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-25 05:09:48,158 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4f77d03-bfa5-433d-9890-255d9aaaf9db/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2024-11-25 05:09:48,187 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-25 05:09:48,188 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-25 05:09:48,188 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-25 05:09:48,189 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-25 05:09:48,189 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-25 05:09:48,189 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-25 05:09:48,189 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-25 05:09:48,189 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-25 05:09:48,189 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-25 05:09:48,189 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-25 05:09:48,189 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-25 05:09:48,189 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-25 05:09:48,190 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-25 05:09:48,190 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-25 05:09:48,190 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-25 05:09:48,190 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-25 05:09:48,190 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-25 05:09:48,190 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-25 05:09:48,190 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-25 05:09:48,190 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-25 05:09:48,190 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-25 05:09:48,190 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-25 05:09:48,191 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-25 05:09:48,191 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-25 05:09:48,191 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-25 05:09:48,191 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-25 05:09:48,191 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 05:09:48,191 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-25 05:09:48,191 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-25 05:09:48,191 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-25 05:09:48,191 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-25 05:09:48,192 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-25 05:09:48,192 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-25 05:09:48,192 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_b4f77d03-bfa5-433d-9890-255d9aaaf9db/bin/ukojak-verify-ENZ3QT5qd3 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 -> 692ce5297a7fea0d4b599b4f61096603d06980b8849818244aff0b91a738d1f6 [2024-11-25 05:09:48,532 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-25 05:09:48,541 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-25 05:09:48,547 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-25 05:09:48,548 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-25 05:09:48,551 INFO L274 PluginConnector]: CDTParser initialized [2024-11-25 05:09:48,552 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4f77d03-bfa5-433d-9890-255d9aaaf9db/bin/ukojak-verify-ENZ3QT5qd3/../../sv-benchmarks/c/floats-esbmc-regression/fmax.i [2024-11-25 05:09:51,577 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4f77d03-bfa5-433d-9890-255d9aaaf9db/bin/ukojak-verify-ENZ3QT5qd3/data/12d0c782f/f42757971c6e4dffa915d949642c713d/FLAGb5e285973 [2024-11-25 05:09:51,864 INFO L384 CDTParser]: Found 1 translation units. [2024-11-25 05:09:51,865 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4f77d03-bfa5-433d-9890-255d9aaaf9db/sv-benchmarks/c/floats-esbmc-regression/fmax.i [2024-11-25 05:09:51,880 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4f77d03-bfa5-433d-9890-255d9aaaf9db/bin/ukojak-verify-ENZ3QT5qd3/data/12d0c782f/f42757971c6e4dffa915d949642c713d/FLAGb5e285973 [2024-11-25 05:09:51,900 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4f77d03-bfa5-433d-9890-255d9aaaf9db/bin/ukojak-verify-ENZ3QT5qd3/data/12d0c782f/f42757971c6e4dffa915d949642c713d [2024-11-25 05:09:51,902 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-25 05:09:51,904 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-25 05:09:51,905 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-25 05:09:51,906 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-25 05:09:51,910 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-25 05:09:51,911 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 05:09:51" (1/1) ... [2024-11-25 05:09:51,912 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1f093704 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:09:51, skipping insertion in model container [2024-11-25 05:09:51,912 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 05:09:51" (1/1) ... [2024-11-25 05:09:51,948 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-25 05:09:52,639 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_b4f77d03-bfa5-433d-9890-255d9aaaf9db/sv-benchmarks/c/floats-esbmc-regression/fmax.i[36279,36292] [2024-11-25 05:09:52,649 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 05:09:52,667 INFO L200 MainTranslator]: Completed pre-run [2024-11-25 05:09:52,710 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_b4f77d03-bfa5-433d-9890-255d9aaaf9db/sv-benchmarks/c/floats-esbmc-regression/fmax.i[36279,36292] [2024-11-25 05:09:52,717 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 05:09:52,861 INFO L204 MainTranslator]: Completed translation [2024-11-25 05:09:52,862 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:09:52 WrapperNode [2024-11-25 05:09:52,862 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-25 05:09:52,863 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-25 05:09:52,863 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-25 05:09:52,863 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-25 05:09:52,870 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:09:52" (1/1) ... [2024-11-25 05:09:52,889 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:09:52" (1/1) ... [2024-11-25 05:09:52,917 INFO L138 Inliner]: procedures = 448, calls = 17, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 20 [2024-11-25 05:09:52,917 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-25 05:09:52,918 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-25 05:09:52,918 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-25 05:09:52,918 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-25 05:09:52,925 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:09:52" (1/1) ... [2024-11-25 05:09:52,927 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:09:52" (1/1) ... [2024-11-25 05:09:52,929 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:09:52" (1/1) ... [2024-11-25 05:09:52,932 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:09:52" (1/1) ... [2024-11-25 05:09:52,937 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:09:52" (1/1) ... [2024-11-25 05:09:52,938 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:09:52" (1/1) ... [2024-11-25 05:09:52,939 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:09:52" (1/1) ... [2024-11-25 05:09:52,941 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:09:52" (1/1) ... [2024-11-25 05:09:52,941 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:09:52" (1/1) ... [2024-11-25 05:09:52,943 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-25 05:09:52,944 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-25 05:09:52,944 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-25 05:09:52,944 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-25 05:09:52,946 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:09:52" (1/1) ... [2024-11-25 05:09:52,951 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 05:09:52,968 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4f77d03-bfa5-433d-9890-255d9aaaf9db/bin/ukojak-verify-ENZ3QT5qd3/z3 [2024-11-25 05:09:52,981 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4f77d03-bfa5-433d-9890-255d9aaaf9db/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-25 05:09:52,984 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4f77d03-bfa5-433d-9890-255d9aaaf9db/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-25 05:09:53,008 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-25 05:09:53,009 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-25 05:09:53,009 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-25 05:09:53,009 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-25 05:09:53,009 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-25 05:09:53,009 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-25 05:09:53,096 INFO L234 CfgBuilder]: Building ICFG [2024-11-25 05:09:53,098 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-25 05:09:53,201 INFO L? ?]: Removed 4 outVars from TransFormulas that were not future-live. [2024-11-25 05:09:53,201 INFO L283 CfgBuilder]: Performing block encoding [2024-11-25 05:09:53,226 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-25 05:09:53,226 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-25 05:09:53,227 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 05:09:53 BoogieIcfgContainer [2024-11-25 05:09:53,227 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-25 05:09:53,227 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-25 05:09:53,228 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-25 05:09:53,238 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-25 05:09:53,238 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 05:09:53" (1/1) ... [2024-11-25 05:09:53,246 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-25 05:09:53,290 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:09:53,302 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 13 states and 16 transitions. [2024-11-25 05:09:53,302 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 16 transitions. [2024-11-25 05:09:53,306 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-11-25 05:09:53,306 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:09:53,307 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 05:09:53,307 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4f77d03-bfa5-433d-9890-255d9aaaf9db/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 05:09:53,313 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4f77d03-bfa5-433d-9890-255d9aaaf9db/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 05:09:53,314 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4f77d03-bfa5-433d-9890-255d9aaaf9db/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-25 05:09:53,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:09:53,427 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 05:09:53,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:09:53,467 INFO L256 TraceCheckSpWp]: Trace formula consists of 24 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-25 05:09:53,474 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 05:09:53,634 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 05:09:53,636 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4f77d03-bfa5-433d-9890-255d9aaaf9db/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (2)] Exception during sending of exit command (exit): Broken pipe [2024-11-25 05:09:53,639 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4f77d03-bfa5-433d-9890-255d9aaaf9db/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (2)] Forceful destruction successful, exit code 0 [2024-11-25 05:09:53,742 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:09:53,742 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 11 states and 13 transitions. [2024-11-25 05:09:53,742 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 13 transitions. [2024-11-25 05:09:53,743 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-25 05:09:53,743 WARN L417 CodeCheckObserver]: This Program is SAFE, Check terminated with 2 iterations. [2024-11-25 05:09:53,752 INFO L726 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2024-11-25 05:09:53,791 INFO L77 FloydHoareUtils]: At program point L882-1(line 882) the Hoare annotation is: true [2024-11-25 05:09:53,792 INFO L77 FloydHoareUtils]: At program point ULTIMATE.startEXIT(line -1) the Hoare annotation is: true [2024-11-25 05:09:53,792 INFO L77 FloydHoareUtils]: At program point $Ultimate##0(line -1) the Hoare annotation is: true [2024-11-25 05:09:53,792 INFO L77 FloydHoareUtils]: At program point L885(lines 880 886) the Hoare annotation is: true [2024-11-25 05:09:53,792 INFO L77 FloydHoareUtils]: At program point L884(line 884) the Hoare annotation is: true [2024-11-25 05:09:53,792 INFO L77 FloydHoareUtils]: At program point L883(line 883) the Hoare annotation is: true [2024-11-25 05:09:53,792 INFO L77 FloydHoareUtils]: At program point L882(line 882) the Hoare annotation is: true [2024-11-25 05:09:53,792 INFO L77 FloydHoareUtils]: At program point L878(line 878) the Hoare annotation is: (= (_ bv1 32) __VERIFIER_assert_~cond) [2024-11-25 05:09:53,792 INFO L75 FloydHoareUtils]: For program point L878-1(line 878) no Hoare annotation was computed. [2024-11-25 05:09:53,793 INFO L77 FloydHoareUtils]: At program point L878-3(line 878) the Hoare annotation is: true [2024-11-25 05:09:53,793 INFO L77 FloydHoareUtils]: At program point __VERIFIER_assertEXIT(line 878) the Hoare annotation is: true [2024-11-25 05:09:53,793 INFO L77 FloydHoareUtils]: At program point $Ultimate##0(line 878) the Hoare annotation is: (= (_ bv1 32) |__VERIFIER_assert_#in~cond|) [2024-11-25 05:09:53,793 INFO L75 FloydHoareUtils]: For program point __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION(line 878) no Hoare annotation was computed. [2024-11-25 05:09:53,806 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~unnamed0~0~FP_NAN [2024-11-25 05:09:53,807 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~unnamed0~0~FP_INFINITE [2024-11-25 05:09:53,807 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~unnamed0~0~FP_ZERO [2024-11-25 05:09:53,807 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~unnamed0~0~FP_SUBNORMAL [2024-11-25 05:09:53,807 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~unnamed0~0~FP_NORMAL [2024-11-25 05:09:53,807 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~unnamed1~0~_IEEE_ [2024-11-25 05:09:53,807 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~unnamed1~0~_SVID_ [2024-11-25 05:09:53,807 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~unnamed1~0~_XOPEN_ [2024-11-25 05:09:53,807 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~unnamed1~0~_POSIX_ [2024-11-25 05:09:53,807 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~unnamed1~0~_ISOC_ [2024-11-25 05:09:53,810 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 25.11 05:09:53 ImpRootNode [2024-11-25 05:09:53,810 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-25 05:09:53,811 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-25 05:09:53,811 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-25 05:09:53,811 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-25 05:09:53,812 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 05:09:53" (3/4) ... [2024-11-25 05:09:53,814 INFO L146 WitnessPrinter]: Generating witness for correct program [2024-11-25 05:09:53,818 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure __VERIFIER_assert [2024-11-25 05:09:53,822 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 14 nodes and edges [2024-11-25 05:09:53,822 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2024-11-25 05:09:53,822 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2024-11-25 05:09:53,822 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-25 05:09:53,822 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-25 05:09:53,892 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4f77d03-bfa5-433d-9890-255d9aaaf9db/bin/ukojak-verify-ENZ3QT5qd3/witness.graphml [2024-11-25 05:09:53,893 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4f77d03-bfa5-433d-9890-255d9aaaf9db/bin/ukojak-verify-ENZ3QT5qd3/witness.yml [2024-11-25 05:09:53,893 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-25 05:09:53,894 INFO L158 Benchmark]: Toolchain (without parser) took 1990.11ms. Allocated memory is still 83.9MB. Free memory was 59.6MB in the beginning and 53.6MB in the end (delta: 5.9MB). Peak memory consumption was 4.7MB. Max. memory is 16.1GB. [2024-11-25 05:09:53,894 INFO L158 Benchmark]: CDTParser took 0.41ms. Allocated memory is still 83.9MB. Free memory is still 64.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 05:09:53,895 INFO L158 Benchmark]: CACSL2BoogieTranslator took 956.93ms. Allocated memory is still 83.9MB. Free memory was 59.6MB in the beginning and 54.9MB in the end (delta: 4.6MB). Peak memory consumption was 46.5MB. Max. memory is 16.1GB. [2024-11-25 05:09:53,895 INFO L158 Benchmark]: Boogie Procedure Inliner took 54.60ms. Allocated memory is still 83.9MB. Free memory was 54.4MB in the beginning and 52.1MB in the end (delta: 2.3MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 05:09:53,896 INFO L158 Benchmark]: Boogie Preprocessor took 25.73ms. Allocated memory is still 83.9MB. Free memory was 52.1MB in the beginning and 51.6MB in the end (delta: 534.5kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 05:09:53,896 INFO L158 Benchmark]: RCFGBuilder took 282.67ms. Allocated memory is still 83.9MB. Free memory was 51.2MB in the beginning and 41.2MB in the end (delta: 10.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-25 05:09:53,896 INFO L158 Benchmark]: CodeCheck took 582.78ms. Allocated memory is still 83.9MB. Free memory was 41.2MB in the beginning and 57.8MB in the end (delta: -16.6MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 05:09:53,897 INFO L158 Benchmark]: Witness Printer took 82.27ms. Allocated memory is still 83.9MB. Free memory was 57.8MB in the beginning and 53.6MB in the end (delta: 4.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 05:09:53,899 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 2 procedures, 13 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.5s, OverallIterations: 2, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 7 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 3 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 7 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 12 IncrementalHoareTripleChecker+Invalid, 19 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 7 mSolverCounterUnsat, 3 mSDtfsCounter, 12 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 38 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 5 NumberOfCodeBlocks, 5 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 4 ConstructedInterpolants, 0 QuantifiedInterpolants, 8 SizeOfPredicates, 2 NumberOfNonLiveVariables, 24 ConjunctsInSsa, 3 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 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: 878]: 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 1 specifications checked. All of them hold - ProcedureContractResult [Line: 878]: Procedure Contract for __VERIFIER_assert Derived contract for procedure __VERIFIER_assert. Requires: (1 == cond) 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 0.41ms. Allocated memory is still 83.9MB. Free memory is still 64.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 956.93ms. Allocated memory is still 83.9MB. Free memory was 59.6MB in the beginning and 54.9MB in the end (delta: 4.6MB). Peak memory consumption was 46.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 54.60ms. Allocated memory is still 83.9MB. Free memory was 54.4MB in the beginning and 52.1MB in the end (delta: 2.3MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 25.73ms. Allocated memory is still 83.9MB. Free memory was 52.1MB in the beginning and 51.6MB in the end (delta: 534.5kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 282.67ms. Allocated memory is still 83.9MB. Free memory was 51.2MB in the beginning and 41.2MB in the end (delta: 10.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 582.78ms. Allocated memory is still 83.9MB. Free memory was 41.2MB in the beginning and 57.8MB in the end (delta: -16.6MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 82.27ms. Allocated memory is still 83.9MB. Free memory was 57.8MB in the beginning and 53.6MB in the end (delta: 4.1MB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - 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_ RESULT: Ultimate proved your program to be correct! [2024-11-25 05:09:53,921 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4f77d03-bfa5-433d-9890-255d9aaaf9db/bin/ukojak-verify-ENZ3QT5qd3/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