./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/neural-networks/sqrt_7_safe.c-amalgamation.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_105f7853-1a84-41f8-99dc-e15421c700fe/bin/ukojak-verify-ENZ3QT5qd3/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_105f7853-1a84-41f8-99dc-e15421c700fe/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_105f7853-1a84-41f8-99dc-e15421c700fe/bin/ukojak-verify-ENZ3QT5qd3/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_105f7853-1a84-41f8-99dc-e15421c700fe/bin/ukojak-verify-ENZ3QT5qd3/config/KojakReach.xml -i ../../sv-benchmarks/c/neural-networks/sqrt_7_safe.c-amalgamation.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_105f7853-1a84-41f8-99dc-e15421c700fe/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_105f7853-1a84-41f8-99dc-e15421c700fe/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 850337e11c25b5b2bf9de124debe93c1df9aae15b1955b85fc2a5ccbe10bce02 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-25 03:04:50,917 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-25 03:04:50,984 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_105f7853-1a84-41f8-99dc-e15421c700fe/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-11-25 03:04:50,990 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-25 03:04:50,991 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-25 03:04:51,016 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-25 03:04:51,017 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-25 03:04:51,017 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-25 03:04:51,018 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-25 03:04:51,018 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-25 03:04:51,018 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-25 03:04:51,019 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-25 03:04:51,019 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-25 03:04:51,019 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-25 03:04:51,019 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-25 03:04:51,019 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-25 03:04:51,019 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-25 03:04:51,020 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-25 03:04:51,020 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-25 03:04:51,020 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-25 03:04:51,020 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-25 03:04:51,020 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-25 03:04:51,020 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-25 03:04:51,021 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-25 03:04:51,021 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-25 03:04:51,021 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-25 03:04:51,021 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-25 03:04:51,021 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 03:04:51,022 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-25 03:04:51,022 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-25 03:04:51,022 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-25 03:04:51,022 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-25 03:04:51,022 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-25 03:04:51,022 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_105f7853-1a84-41f8-99dc-e15421c700fe/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 -> 850337e11c25b5b2bf9de124debe93c1df9aae15b1955b85fc2a5ccbe10bce02 [2024-11-25 03:04:51,425 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-25 03:04:51,442 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-25 03:04:51,445 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-25 03:04:51,447 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-25 03:04:51,448 INFO L274 PluginConnector]: CDTParser initialized [2024-11-25 03:04:51,451 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_105f7853-1a84-41f8-99dc-e15421c700fe/bin/ukojak-verify-ENZ3QT5qd3/../../sv-benchmarks/c/neural-networks/sqrt_7_safe.c-amalgamation.i [2024-11-25 03:04:54,472 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_105f7853-1a84-41f8-99dc-e15421c700fe/bin/ukojak-verify-ENZ3QT5qd3/data/645194f01/25ff31e13fd4454fbf88e582920d04fc/FLAG9f644df0e [2024-11-25 03:04:54,930 INFO L384 CDTParser]: Found 1 translation units. [2024-11-25 03:04:54,931 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_105f7853-1a84-41f8-99dc-e15421c700fe/sv-benchmarks/c/neural-networks/sqrt_7_safe.c-amalgamation.i [2024-11-25 03:04:54,961 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_105f7853-1a84-41f8-99dc-e15421c700fe/bin/ukojak-verify-ENZ3QT5qd3/data/645194f01/25ff31e13fd4454fbf88e582920d04fc/FLAG9f644df0e [2024-11-25 03:04:54,993 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_105f7853-1a84-41f8-99dc-e15421c700fe/bin/ukojak-verify-ENZ3QT5qd3/data/645194f01/25ff31e13fd4454fbf88e582920d04fc [2024-11-25 03:04:54,996 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-25 03:04:55,000 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-25 03:04:55,003 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-25 03:04:55,003 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-25 03:04:55,012 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-25 03:04:55,014 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 03:04:54" (1/1) ... [2024-11-25 03:04:55,015 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4a32f885 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:04:55, skipping insertion in model container [2024-11-25 03:04:55,017 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 03:04:54" (1/1) ... [2024-11-25 03:04:55,091 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-25 03:04:55,861 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: sqrt at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.expressiontranslation.IntegerTranslation.constructOtherUnaryFloatOperation(IntegerTranslation.java:629) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.standardfunctions.StandardFunctionHandler.handleUnaryFloatFunction(StandardFunctionHandler.java:3128) 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:1494) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:253) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.translateInitializer(CHandler.java:3184) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.handleIASTDeclarator(CHandler.java:3028) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2273) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:144) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1228) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:215) 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$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2024-11-25 03:04:55,873 INFO L158 Benchmark]: Toolchain (without parser) took 872.53ms. Allocated memory is still 142.6MB. Free memory was 97.9MB in the beginning and 82.8MB in the end (delta: 15.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-25 03:04:55,873 INFO L158 Benchmark]: CDTParser took 1.20ms. Allocated memory is still 167.8MB. Free memory is still 103.6MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 03:04:55,874 INFO L158 Benchmark]: CACSL2BoogieTranslator took 868.31ms. Allocated memory is still 142.6MB. Free memory was 97.9MB in the beginning and 82.8MB in the end (delta: 15.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-25 03:04:55,875 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.20ms. Allocated memory is still 167.8MB. Free memory is still 103.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 868.31ms. Allocated memory is still 142.6MB. Free memory was 97.9MB in the beginning and 82.8MB in the end (delta: 15.0MB). Peak memory consumption was 16.8MB. 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: sqrt de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: UnsupportedOperationException: floating point operation not supported in non-bitprecise translation: sqrt: de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.expressiontranslation.IntegerTranslation.constructOtherUnaryFloatOperation(IntegerTranslation.java:629) 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_105f7853-1a84-41f8-99dc-e15421c700fe/bin/ukojak-verify-ENZ3QT5qd3/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_105f7853-1a84-41f8-99dc-e15421c700fe/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_105f7853-1a84-41f8-99dc-e15421c700fe/bin/ukojak-verify-ENZ3QT5qd3/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_105f7853-1a84-41f8-99dc-e15421c700fe/bin/ukojak-verify-ENZ3QT5qd3/config/KojakReach.xml -i ../../sv-benchmarks/c/neural-networks/sqrt_7_safe.c-amalgamation.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_105f7853-1a84-41f8-99dc-e15421c700fe/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_105f7853-1a84-41f8-99dc-e15421c700fe/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 850337e11c25b5b2bf9de124debe93c1df9aae15b1955b85fc2a5ccbe10bce02 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-25 03:04:58,857 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-25 03:04:58,960 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_105f7853-1a84-41f8-99dc-e15421c700fe/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2024-11-25 03:04:59,020 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-25 03:04:59,025 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-25 03:04:59,025 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-25 03:04:59,026 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-25 03:04:59,026 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-25 03:04:59,026 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-25 03:04:59,030 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-25 03:04:59,030 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-25 03:04:59,030 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-25 03:04:59,030 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-25 03:04:59,030 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-25 03:04:59,031 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-25 03:04:59,031 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-25 03:04:59,031 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-25 03:04:59,031 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-25 03:04:59,031 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-25 03:04:59,031 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-25 03:04:59,031 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-25 03:04:59,031 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-25 03:04:59,031 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-25 03:04:59,031 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-25 03:04:59,032 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-25 03:04:59,032 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-25 03:04:59,032 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-25 03:04:59,032 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-25 03:04:59,032 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-25 03:04:59,032 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 03:04:59,032 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-25 03:04:59,032 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-25 03:04:59,032 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-25 03:04:59,032 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-25 03:04:59,033 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-25 03:04:59,033 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-25 03:04:59,033 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_105f7853-1a84-41f8-99dc-e15421c700fe/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 -> 850337e11c25b5b2bf9de124debe93c1df9aae15b1955b85fc2a5ccbe10bce02 [2024-11-25 03:04:59,373 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-25 03:04:59,389 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-25 03:04:59,392 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-25 03:04:59,394 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-25 03:04:59,394 INFO L274 PluginConnector]: CDTParser initialized [2024-11-25 03:04:59,396 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_105f7853-1a84-41f8-99dc-e15421c700fe/bin/ukojak-verify-ENZ3QT5qd3/../../sv-benchmarks/c/neural-networks/sqrt_7_safe.c-amalgamation.i [2024-11-25 03:05:02,525 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_105f7853-1a84-41f8-99dc-e15421c700fe/bin/ukojak-verify-ENZ3QT5qd3/data/d0a0112f8/2241ab77714c44d4b0584d70b0ccf8a9/FLAG9f2afd1e3 [2024-11-25 03:05:03,010 INFO L384 CDTParser]: Found 1 translation units. [2024-11-25 03:05:03,011 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_105f7853-1a84-41f8-99dc-e15421c700fe/sv-benchmarks/c/neural-networks/sqrt_7_safe.c-amalgamation.i [2024-11-25 03:05:03,043 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_105f7853-1a84-41f8-99dc-e15421c700fe/bin/ukojak-verify-ENZ3QT5qd3/data/d0a0112f8/2241ab77714c44d4b0584d70b0ccf8a9/FLAG9f2afd1e3 [2024-11-25 03:05:03,061 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_105f7853-1a84-41f8-99dc-e15421c700fe/bin/ukojak-verify-ENZ3QT5qd3/data/d0a0112f8/2241ab77714c44d4b0584d70b0ccf8a9 [2024-11-25 03:05:03,064 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-25 03:05:03,065 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-25 03:05:03,067 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-25 03:05:03,067 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-25 03:05:03,073 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-25 03:05:03,074 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 03:05:03" (1/1) ... [2024-11-25 03:05:03,075 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5b5b875c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:05:03, skipping insertion in model container [2024-11-25 03:05:03,075 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 03:05:03" (1/1) ... [2024-11-25 03:05:03,121 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-25 03:05:03,979 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_105f7853-1a84-41f8-99dc-e15421c700fe/sv-benchmarks/c/neural-networks/sqrt_7_safe.c-amalgamation.i[63097,63110] [2024-11-25 03:05:03,983 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 03:05:03,999 INFO L200 MainTranslator]: Completed pre-run [2024-11-25 03:05:04,066 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_105f7853-1a84-41f8-99dc-e15421c700fe/sv-benchmarks/c/neural-networks/sqrt_7_safe.c-amalgamation.i[63097,63110] [2024-11-25 03:05:04,067 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 03:05:04,259 INFO L204 MainTranslator]: Completed translation [2024-11-25 03:05:04,259 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:05:04 WrapperNode [2024-11-25 03:05:04,260 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-25 03:05:04,261 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-25 03:05:04,261 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-25 03:05:04,261 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-25 03:05:04,268 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:05:04" (1/1) ... [2024-11-25 03:05:04,293 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:05:04" (1/1) ... [2024-11-25 03:05:04,318 INFO L138 Inliner]: procedures = 558, calls = 13, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 30 [2024-11-25 03:05:04,318 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-25 03:05:04,319 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-25 03:05:04,320 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-25 03:05:04,320 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-25 03:05:04,328 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:05:04" (1/1) ... [2024-11-25 03:05:04,329 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:05:04" (1/1) ... [2024-11-25 03:05:04,332 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:05:04" (1/1) ... [2024-11-25 03:05:04,332 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:05:04" (1/1) ... [2024-11-25 03:05:04,346 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:05:04" (1/1) ... [2024-11-25 03:05:04,346 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:05:04" (1/1) ... [2024-11-25 03:05:04,351 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:05:04" (1/1) ... [2024-11-25 03:05:04,353 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:05:04" (1/1) ... [2024-11-25 03:05:04,354 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:05:04" (1/1) ... [2024-11-25 03:05:04,356 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-25 03:05:04,357 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-25 03:05:04,357 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-25 03:05:04,361 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-25 03:05:04,362 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:05:04" (1/1) ... [2024-11-25 03:05:04,377 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 03:05:04,393 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_105f7853-1a84-41f8-99dc-e15421c700fe/bin/ukojak-verify-ENZ3QT5qd3/z3 [2024-11-25 03:05:04,413 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_105f7853-1a84-41f8-99dc-e15421c700fe/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-25 03:05:04,419 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_105f7853-1a84-41f8-99dc-e15421c700fe/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-25 03:05:04,450 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-25 03:05:04,450 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-25 03:05:04,450 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-25 03:05:04,450 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-25 03:05:04,607 INFO L234 CfgBuilder]: Building ICFG [2024-11-25 03:05:04,609 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-25 03:05:14,828 INFO L? ?]: Removed 7 outVars from TransFormulas that were not future-live. [2024-11-25 03:05:14,828 INFO L283 CfgBuilder]: Performing block encoding [2024-11-25 03:05:14,916 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-25 03:05:14,916 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-25 03:05:14,916 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 03:05:14 BoogieIcfgContainer [2024-11-25 03:05:14,917 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-25 03:05:14,917 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-25 03:05:14,917 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-25 03:05:14,934 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-25 03:05:14,934 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 03:05:14" (1/1) ... [2024-11-25 03:05:14,945 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-25 03:05:14,995 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:05:15,002 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 6 transitions. [2024-11-25 03:05:15,003 INFO L276 IsEmpty]: Start isEmpty. Operand 6 states and 6 transitions. [2024-11-25 03:05:15,004 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2024-11-25 03:05:15,004 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:05:15,005 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:05:15,005 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_105f7853-1a84-41f8-99dc-e15421c700fe/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:05:15,008 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_105f7853-1a84-41f8-99dc-e15421c700fe/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:05:15,011 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_105f7853-1a84-41f8-99dc-e15421c700fe/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process