./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/neural-networks/sqrt_1_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_17e157b9-38fe-47eb-81ca-7f6679ef03b4/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17e157b9-38fe-47eb-81ca-7f6679ef03b4/bin/ukojak-verify-CZk0znPC7b/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17e157b9-38fe-47eb-81ca-7f6679ef03b4/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17e157b9-38fe-47eb-81ca-7f6679ef03b4/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/neural-networks/sqrt_1_safe.c-amalgamation.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17e157b9-38fe-47eb-81ca-7f6679ef03b4/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17e157b9-38fe-47eb-81ca-7f6679ef03b4/bin/ukojak-verify-CZk0znPC7b --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash b10e0b3c17671fc7f38a0c3aecd0bbf3c73c4f95dfe9060df46a665d1d1f3f8a --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 03:57:09,260 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 03:57:09,317 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17e157b9-38fe-47eb-81ca-7f6679ef03b4/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-12-06 03:57:09,322 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-06 03:57:09,322 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-12-06 03:57:09,342 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 03:57:09,343 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-06 03:57:09,343 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-06 03:57:09,343 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 03:57:09,343 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 03:57:09,344 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 03:57:09,344 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-06 03:57:09,344 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-06 03:57:09,344 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-06 03:57:09,344 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-06 03:57:09,344 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 03:57:09,344 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-06 03:57:09,344 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 03:57:09,344 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-06 03:57:09,345 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-06 03:57:09,345 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-06 03:57:09,345 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 03:57:09,345 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 03:57:09,345 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 03:57:09,345 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 03:57:09,345 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 03:57:09,345 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 03:57:09,345 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 03:57:09,345 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 03:57:09,346 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 03:57:09,346 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-06 03:57:09,346 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-12-06 03:57:09,346 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-06 03:57:09,346 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_17e157b9-38fe-47eb-81ca-7f6679ef03b4/bin/ukojak-verify-CZk0znPC7b Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b10e0b3c17671fc7f38a0c3aecd0bbf3c73c4f95dfe9060df46a665d1d1f3f8a [2024-12-06 03:57:09,586 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 03:57:09,594 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 03:57:09,596 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 03:57:09,597 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 03:57:09,598 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 03:57:09,599 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17e157b9-38fe-47eb-81ca-7f6679ef03b4/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/neural-networks/sqrt_1_safe.c-amalgamation.i [2024-12-06 03:57:12,278 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17e157b9-38fe-47eb-81ca-7f6679ef03b4/bin/ukojak-verify-CZk0znPC7b/data/334b17178/e64bd6bdd219402fa5ec51695c4221af/FLAG7561eee6e [2024-12-06 03:57:12,517 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 03:57:12,518 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17e157b9-38fe-47eb-81ca-7f6679ef03b4/sv-benchmarks/c/neural-networks/sqrt_1_safe.c-amalgamation.i [2024-12-06 03:57:12,533 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17e157b9-38fe-47eb-81ca-7f6679ef03b4/bin/ukojak-verify-CZk0znPC7b/data/334b17178/e64bd6bdd219402fa5ec51695c4221af/FLAG7561eee6e [2024-12-06 03:57:12,547 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17e157b9-38fe-47eb-81ca-7f6679ef03b4/bin/ukojak-verify-CZk0znPC7b/data/334b17178/e64bd6bdd219402fa5ec51695c4221af [2024-12-06 03:57:12,549 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 03:57:12,550 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 03:57:12,551 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 03:57:12,551 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 03:57:12,554 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 03:57:12,555 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 03:57:12" (1/1) ... [2024-12-06 03:57:12,556 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@53d4ee81 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:57:12, skipping insertion in model container [2024-12-06 03:57:12,556 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 03:57:12" (1/1) ... [2024-12-06 03:57:12,584 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 03:57:13,018 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$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2024-12-06 03:57:13,023 INFO L158 Benchmark]: Toolchain (without parser) took 471.77ms. Allocated memory is still 142.6MB. Free memory was 113.7MB in the beginning and 99.0MB in the end (delta: 14.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-12-06 03:57:13,023 INFO L158 Benchmark]: CDTParser took 0.28ms. Allocated memory is still 142.6MB. Free memory is still 83.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 03:57:13,024 INFO L158 Benchmark]: CACSL2BoogieTranslator took 469.92ms. Allocated memory is still 142.6MB. Free memory was 113.7MB in the beginning and 99.0MB in the end (delta: 14.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-12-06 03:57:13,025 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28ms. Allocated memory is still 142.6MB. Free memory is still 83.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 469.92ms. Allocated memory is still 142.6MB. Free memory was 113.7MB in the beginning and 99.0MB in the end (delta: 14.7MB). 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_17e157b9-38fe-47eb-81ca-7f6679ef03b4/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17e157b9-38fe-47eb-81ca-7f6679ef03b4/bin/ukojak-verify-CZk0znPC7b/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17e157b9-38fe-47eb-81ca-7f6679ef03b4/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17e157b9-38fe-47eb-81ca-7f6679ef03b4/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/neural-networks/sqrt_1_safe.c-amalgamation.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17e157b9-38fe-47eb-81ca-7f6679ef03b4/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17e157b9-38fe-47eb-81ca-7f6679ef03b4/bin/ukojak-verify-CZk0znPC7b --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash b10e0b3c17671fc7f38a0c3aecd0bbf3c73c4f95dfe9060df46a665d1d1f3f8a --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 03:57:14,745 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 03:57:14,825 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17e157b9-38fe-47eb-81ca-7f6679ef03b4/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2024-12-06 03:57:14,850 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 03:57:14,851 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-06 03:57:14,851 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-06 03:57:14,851 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 03:57:14,851 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 03:57:14,851 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 03:57:14,851 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-06 03:57:14,852 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-06 03:57:14,852 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-06 03:57:14,852 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 03:57:14,852 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-06 03:57:14,852 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 03:57:14,852 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-06 03:57:14,852 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-12-06 03:57:14,852 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-12-06 03:57:14,852 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-12-06 03:57:14,852 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-06 03:57:14,853 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-06 03:57:14,853 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 03:57:14,853 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 03:57:14,853 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 03:57:14,853 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 03:57:14,853 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 03:57:14,853 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-12-06 03:57:14,853 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-12-06 03:57:14,853 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 03:57:14,853 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 03:57:14,854 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 03:57:14,854 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 03:57:14,854 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-06 03:57:14,854 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-12-06 03:57:14,854 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-12-06 03:57:14,854 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-12-06 03:57:14,854 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_17e157b9-38fe-47eb-81ca-7f6679ef03b4/bin/ukojak-verify-CZk0znPC7b Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b10e0b3c17671fc7f38a0c3aecd0bbf3c73c4f95dfe9060df46a665d1d1f3f8a [2024-12-06 03:57:15,078 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 03:57:15,085 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 03:57:15,087 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 03:57:15,088 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 03:57:15,088 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 03:57:15,089 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17e157b9-38fe-47eb-81ca-7f6679ef03b4/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/neural-networks/sqrt_1_safe.c-amalgamation.i [2024-12-06 03:57:17,732 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17e157b9-38fe-47eb-81ca-7f6679ef03b4/bin/ukojak-verify-CZk0znPC7b/data/262cabcfc/0e48d933798f47a29c33c53663f08a61/FLAG5b7223177 [2024-12-06 03:57:17,990 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 03:57:17,991 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17e157b9-38fe-47eb-81ca-7f6679ef03b4/sv-benchmarks/c/neural-networks/sqrt_1_safe.c-amalgamation.i [2024-12-06 03:57:18,005 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17e157b9-38fe-47eb-81ca-7f6679ef03b4/bin/ukojak-verify-CZk0znPC7b/data/262cabcfc/0e48d933798f47a29c33c53663f08a61/FLAG5b7223177 [2024-12-06 03:57:18,296 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17e157b9-38fe-47eb-81ca-7f6679ef03b4/bin/ukojak-verify-CZk0znPC7b/data/262cabcfc/0e48d933798f47a29c33c53663f08a61 [2024-12-06 03:57:18,298 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 03:57:18,299 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 03:57:18,300 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 03:57:18,301 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 03:57:18,304 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 03:57:18,304 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 03:57:18" (1/1) ... [2024-12-06 03:57:18,305 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5d993d1d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:57:18, skipping insertion in model container [2024-12-06 03:57:18,305 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 03:57:18" (1/1) ... [2024-12-06 03:57:18,334 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 03:57:18,747 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_17e157b9-38fe-47eb-81ca-7f6679ef03b4/sv-benchmarks/c/neural-networks/sqrt_1_safe.c-amalgamation.i[63012,63025] [2024-12-06 03:57:18,749 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 03:57:18,759 INFO L200 MainTranslator]: Completed pre-run [2024-12-06 03:57:18,800 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_17e157b9-38fe-47eb-81ca-7f6679ef03b4/sv-benchmarks/c/neural-networks/sqrt_1_safe.c-amalgamation.i[63012,63025] [2024-12-06 03:57:18,800 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 03:57:18,925 INFO L204 MainTranslator]: Completed translation [2024-12-06 03:57:18,925 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:57:18 WrapperNode [2024-12-06 03:57:18,925 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 03:57:18,926 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-06 03:57:18,926 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-06 03:57:18,926 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-06 03:57:18,932 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:57:18" (1/1) ... [2024-12-06 03:57:18,949 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:57:18" (1/1) ... [2024-12-06 03:57:18,965 INFO L138 Inliner]: procedures = 558, calls = 13, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 26 [2024-12-06 03:57:18,966 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-06 03:57:18,966 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-06 03:57:18,966 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-06 03:57:18,966 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-06 03:57:18,973 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:57:18" (1/1) ... [2024-12-06 03:57:18,973 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:57:18" (1/1) ... [2024-12-06 03:57:18,975 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:57:18" (1/1) ... [2024-12-06 03:57:18,975 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:57:18" (1/1) ... [2024-12-06 03:57:18,980 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:57:18" (1/1) ... [2024-12-06 03:57:18,981 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:57:18" (1/1) ... [2024-12-06 03:57:18,983 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:57:18" (1/1) ... [2024-12-06 03:57:18,984 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:57:18" (1/1) ... [2024-12-06 03:57:18,985 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:57:18" (1/1) ... [2024-12-06 03:57:18,987 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-06 03:57:18,988 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-06 03:57:18,988 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-06 03:57:18,988 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-06 03:57:18,989 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:57:18" (1/1) ... [2024-12-06 03:57:18,995 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 03:57:19,006 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17e157b9-38fe-47eb-81ca-7f6679ef03b4/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-06 03:57:19,016 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17e157b9-38fe-47eb-81ca-7f6679ef03b4/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-06 03:57:19,019 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17e157b9-38fe-47eb-81ca-7f6679ef03b4/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-06 03:57:19,039 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-12-06 03:57:19,039 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-06 03:57:19,039 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-06 03:57:19,039 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-06 03:57:19,119 INFO L234 CfgBuilder]: Building ICFG [2024-12-06 03:57:19,120 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-06 03:57:22,032 INFO L? ?]: Removed 5 outVars from TransFormulas that were not future-live. [2024-12-06 03:57:22,032 INFO L283 CfgBuilder]: Performing block encoding [2024-12-06 03:57:22,076 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-06 03:57:22,077 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2024-12-06 03:57:22,077 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 03:57:22 BoogieIcfgContainer [2024-12-06 03:57:22,077 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-06 03:57:22,078 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-06 03:57:22,078 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-06 03:57:22,087 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-06 03:57:22,087 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 03:57:22" (1/1) ... [2024-12-06 03:57:22,094 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-06 03:57:22,122 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:57:22,127 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 6 transitions. [2024-12-06 03:57:22,127 INFO L276 IsEmpty]: Start isEmpty. Operand 6 states and 6 transitions. [2024-12-06 03:57:22,129 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2024-12-06 03:57:22,129 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:57:22,129 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 03:57:22,129 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17e157b9-38fe-47eb-81ca-7f6679ef03b4/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 03:57:22,131 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17e157b9-38fe-47eb-81ca-7f6679ef03b4/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 03:57:22,132 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17e157b9-38fe-47eb-81ca-7f6679ef03b4/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-12-06 03:57:22,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:57:22,582 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 03:57:29,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:57:29,189 INFO L256 TraceCheckSpWp]: Trace formula consists of 22 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-12-06 03:57:29,192 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 03:57:48,431 WARN L286 SmtUtils]: Spent 19.21s on a formula simplification that was a NOOP. DAG size: 5 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-06 03:57:54,390 WARN L286 SmtUtils]: Spent 5.96s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-06 03:58:07,795 WARN L873 $PredicateComparison]: unable to prove that (exists ((|v_ULTIMATE.start_main_~x~0#1_21| (_ FloatingPoint 8 24)) (currentRoundingMode RoundingMode)) (and (= |c_ULTIMATE.start_main_~y~0#1| (fp.sqrt currentRoundingMode |v_ULTIMATE.start_main_~x~0#1_21|)) (fp.geq |v_ULTIMATE.start_main_~x~0#1_21| (_ +zero 8 24)))) is different from true [2024-12-06 03:58:08,549 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 03:58:08,554 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17e157b9-38fe-47eb-81ca-7f6679ef03b4/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-12-06 03:58:18,581 WARN L851 $PredicateComparison]: unable to prove that (not (exists ((|v_ULTIMATE.start_main_~x~0#1_21| (_ FloatingPoint 8 24)) (currentRoundingMode RoundingMode)) (and (= |c_ULTIMATE.start_main_~y~0#1| (fp.sqrt currentRoundingMode |v_ULTIMATE.start_main_~x~0#1_21|)) (fp.geq |v_ULTIMATE.start_main_~x~0#1_21| (_ +zero 8 24))))) is different from false [2024-12-06 03:58:24,255 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:58:24,255 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2024-12-06 03:58:24,255 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2024-12-06 03:58:24,255 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2024-12-06 03:58:24,255 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:58:24,255 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 03:58:24,255 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17e157b9-38fe-47eb-81ca-7f6679ef03b4/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 03:58:24,257 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17e157b9-38fe-47eb-81ca-7f6679ef03b4/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 03:58:24,258 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17e157b9-38fe-47eb-81ca-7f6679ef03b4/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-12-06 03:58:24,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:58:24,706 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 03:58:25,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:58:25,790 INFO L256 TraceCheckSpWp]: Trace formula consists of 22 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-12-06 03:58:25,791 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 03:58:32,766 WARN L286 SmtUtils]: Spent 6.97s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-06 03:58:43,018 WARN L286 SmtUtils]: Spent 10.25s on a formula simplification that was a NOOP. DAG size: 5 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-06 03:58:56,724 WARN L873 $PredicateComparison]: unable to prove that (exists ((|v_ULTIMATE.start_main_~x~0#1_24| (_ FloatingPoint 8 24)) (currentRoundingMode RoundingMode)) (and (fp.geq |v_ULTIMATE.start_main_~x~0#1_24| (_ +zero 8 24)) (= (fp.sqrt currentRoundingMode |v_ULTIMATE.start_main_~x~0#1_24|) |c_ULTIMATE.start_main_~y~0#1|))) is different from true [2024-12-06 03:58:57,466 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 03:58:57,472 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17e157b9-38fe-47eb-81ca-7f6679ef03b4/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (3)] Ended with exit code 0 [2024-12-06 03:59:07,538 WARN L851 $PredicateComparison]: unable to prove that (and (exists ((|v_ULTIMATE.start_main_~x~0#1_21| (_ FloatingPoint 8 24)) (currentRoundingMode RoundingMode)) (and (= |c_ULTIMATE.start_main_~y~0#1| (fp.sqrt currentRoundingMode |v_ULTIMATE.start_main_~x~0#1_21|)) (fp.geq |v_ULTIMATE.start_main_~x~0#1_21| (_ +zero 8 24)))) (exists ((|v_ULTIMATE.start_main_~x~0#1_24| (_ FloatingPoint 8 24)) (currentRoundingMode RoundingMode)) (and (fp.geq |v_ULTIMATE.start_main_~x~0#1_24| (_ +zero 8 24)) (= (fp.sqrt currentRoundingMode |v_ULTIMATE.start_main_~x~0#1_24|) |c_ULTIMATE.start_main_~y~0#1|)))) is different from false [2024-12-06 03:59:17,568 WARN L873 $PredicateComparison]: unable to prove that (and (exists ((|v_ULTIMATE.start_main_~x~0#1_21| (_ FloatingPoint 8 24)) (currentRoundingMode RoundingMode)) (and (= |c_ULTIMATE.start_main_~y~0#1| (fp.sqrt currentRoundingMode |v_ULTIMATE.start_main_~x~0#1_21|)) (fp.geq |v_ULTIMATE.start_main_~x~0#1_21| (_ +zero 8 24)))) (exists ((|v_ULTIMATE.start_main_~x~0#1_24| (_ FloatingPoint 8 24)) (currentRoundingMode RoundingMode)) (and (fp.geq |v_ULTIMATE.start_main_~x~0#1_24| (_ +zero 8 24)) (= (fp.sqrt currentRoundingMode |v_ULTIMATE.start_main_~x~0#1_24|) |c_ULTIMATE.start_main_~y~0#1|)))) is different from true [2024-12-06 03:59:27,603 WARN L851 $PredicateComparison]: unable to prove that (not (exists ((|v_ULTIMATE.start_main_~x~0#1_24| (_ FloatingPoint 8 24)) (currentRoundingMode RoundingMode)) (and (fp.geq |v_ULTIMATE.start_main_~x~0#1_24| (_ +zero 8 24)) (= (fp.sqrt currentRoundingMode |v_ULTIMATE.start_main_~x~0#1_24|) |c_ULTIMATE.start_main_~y~0#1|)))) is different from false [2024-12-06 03:59:41,461 WARN L851 $PredicateComparison]: unable to prove that (not (and (exists ((|v_ULTIMATE.start_main_~x~0#1_21| (_ FloatingPoint 8 24)) (currentRoundingMode RoundingMode)) (and (= |c_ULTIMATE.start_main_~y~0#1| (fp.sqrt currentRoundingMode |v_ULTIMATE.start_main_~x~0#1_21|)) (fp.geq |v_ULTIMATE.start_main_~x~0#1_21| (_ +zero 8 24)))) (exists ((|v_ULTIMATE.start_main_~x~0#1_24| (_ FloatingPoint 8 24)) (currentRoundingMode RoundingMode)) (and (fp.geq |v_ULTIMATE.start_main_~x~0#1_24| (_ +zero 8 24)) (= (fp.sqrt currentRoundingMode |v_ULTIMATE.start_main_~x~0#1_24|) |c_ULTIMATE.start_main_~y~0#1|))))) is different from false [2024-12-06 03:59:51,538 WARN L873 $PredicateComparison]: unable to prove that (not (and (exists ((|v_ULTIMATE.start_main_~x~0#1_21| (_ FloatingPoint 8 24)) (currentRoundingMode RoundingMode)) (and (= |c_ULTIMATE.start_main_~y~0#1| (fp.sqrt currentRoundingMode |v_ULTIMATE.start_main_~x~0#1_21|)) (fp.geq |v_ULTIMATE.start_main_~x~0#1_21| (_ +zero 8 24)))) (exists ((|v_ULTIMATE.start_main_~x~0#1_24| (_ FloatingPoint 8 24)) (currentRoundingMode RoundingMode)) (and (fp.geq |v_ULTIMATE.start_main_~x~0#1_24| (_ +zero 8 24)) (= (fp.sqrt currentRoundingMode |v_ULTIMATE.start_main_~x~0#1_24|) |c_ULTIMATE.start_main_~y~0#1|))))) is different from true [2024-12-06 03:59:51,541 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:59:51,541 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2024-12-06 03:59:51,541 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2024-12-06 03:59:51,541 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2024-12-06 03:59:51,542 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:59:51,542 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 03:59:51,542 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17e157b9-38fe-47eb-81ca-7f6679ef03b4/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 03:59:51,544 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17e157b9-38fe-47eb-81ca-7f6679ef03b4/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 03:59:51,545 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17e157b9-38fe-47eb-81ca-7f6679ef03b4/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2024-12-06 03:59:52,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:59:52,123 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 03:59:54,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:59:54,541 INFO L256 TraceCheckSpWp]: Trace formula consists of 22 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-12-06 03:59:54,541 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:00:01,545 WARN L286 SmtUtils]: Spent 7.00s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-06 04:00:07,744 WARN L286 SmtUtils]: Spent 6.20s on a formula simplification that was a NOOP. DAG size: 5 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-06 04:00:21,151 WARN L873 $PredicateComparison]: unable to prove that (exists ((|v_ULTIMATE.start_main_~x~0#1_27| (_ FloatingPoint 8 24)) (currentRoundingMode RoundingMode)) (and (fp.geq |v_ULTIMATE.start_main_~x~0#1_27| (_ +zero 8 24)) (= (fp.sqrt currentRoundingMode |v_ULTIMATE.start_main_~x~0#1_27|) |c_ULTIMATE.start_main_~y~0#1|))) is different from true [2024-12-06 04:00:21,404 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 04:00:21,410 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17e157b9-38fe-47eb-81ca-7f6679ef03b4/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (4)] Forceful destruction successful, exit code 0 [2024-12-06 04:00:31,579 WARN L851 $PredicateComparison]: unable to prove that (not (exists ((|v_ULTIMATE.start_main_~x~0#1_27| (_ FloatingPoint 8 24)) (currentRoundingMode RoundingMode)) (and (fp.geq |v_ULTIMATE.start_main_~x~0#1_27| (_ +zero 8 24)) (= (fp.sqrt currentRoundingMode |v_ULTIMATE.start_main_~x~0#1_27|) |c_ULTIMATE.start_main_~y~0#1|)))) is different from false [2024-12-06 04:00:45,141 WARN L851 $PredicateComparison]: unable to prove that (and (not (exists ((|v_ULTIMATE.start_main_~x~0#1_27| (_ FloatingPoint 8 24)) (currentRoundingMode RoundingMode)) (and (fp.geq |v_ULTIMATE.start_main_~x~0#1_27| (_ +zero 8 24)) (= (fp.sqrt currentRoundingMode |v_ULTIMATE.start_main_~x~0#1_27|) |c_ULTIMATE.start_main_~y~0#1|)))) (not (exists ((|v_ULTIMATE.start_main_~x~0#1_21| (_ FloatingPoint 8 24)) (currentRoundingMode RoundingMode)) (and (= |c_ULTIMATE.start_main_~y~0#1| (fp.sqrt currentRoundingMode |v_ULTIMATE.start_main_~x~0#1_21|)) (fp.geq |v_ULTIMATE.start_main_~x~0#1_21| (_ +zero 8 24)))))) is different from false [2024-12-06 04:00:56,044 WARN L851 $PredicateComparison]: unable to prove that (not (and (not (exists ((|v_ULTIMATE.start_main_~x~0#1_27| (_ FloatingPoint 8 24)) (currentRoundingMode RoundingMode)) (and (fp.geq |v_ULTIMATE.start_main_~x~0#1_27| (_ +zero 8 24)) (= (fp.sqrt currentRoundingMode |v_ULTIMATE.start_main_~x~0#1_27|) |c_ULTIMATE.start_main_~y~0#1|)))) (not (exists ((|v_ULTIMATE.start_main_~x~0#1_21| (_ FloatingPoint 8 24)) (currentRoundingMode RoundingMode)) (and (= |c_ULTIMATE.start_main_~y~0#1| (fp.sqrt currentRoundingMode |v_ULTIMATE.start_main_~x~0#1_21|)) (fp.geq |v_ULTIMATE.start_main_~x~0#1_21| (_ +zero 8 24))))))) is different from false [2024-12-06 04:01:06,073 WARN L873 $PredicateComparison]: unable to prove that (not (and (not (exists ((|v_ULTIMATE.start_main_~x~0#1_27| (_ FloatingPoint 8 24)) (currentRoundingMode RoundingMode)) (and (fp.geq |v_ULTIMATE.start_main_~x~0#1_27| (_ +zero 8 24)) (= (fp.sqrt currentRoundingMode |v_ULTIMATE.start_main_~x~0#1_27|) |c_ULTIMATE.start_main_~y~0#1|)))) (not (exists ((|v_ULTIMATE.start_main_~x~0#1_21| (_ FloatingPoint 8 24)) (currentRoundingMode RoundingMode)) (and (= |c_ULTIMATE.start_main_~y~0#1| (fp.sqrt currentRoundingMode |v_ULTIMATE.start_main_~x~0#1_21|)) (fp.geq |v_ULTIMATE.start_main_~x~0#1_21| (_ +zero 8 24))))))) is different from true [2024-12-06 04:01:06,075 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:01:06,075 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2024-12-06 04:01:06,075 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2024-12-06 04:01:06,075 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2024-12-06 04:01:06,075 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:01:06,075 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:01:06,076 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17e157b9-38fe-47eb-81ca-7f6679ef03b4/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:01:06,077 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17e157b9-38fe-47eb-81ca-7f6679ef03b4/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:01:06,078 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17e157b9-38fe-47eb-81ca-7f6679ef03b4/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2024-12-06 04:01:06,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:01:06,551 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:01:12,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:01:12,759 INFO L256 TraceCheckSpWp]: Trace formula consists of 22 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-12-06 04:01:12,760 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:01:28,487 WARN L286 SmtUtils]: Spent 12.29s on a formula simplification that was a NOOP. DAG size: 5 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-06 04:01:43,810 WARN L873 $PredicateComparison]: unable to prove that (exists ((|v_ULTIMATE.start_main_~x~0#1_30| (_ FloatingPoint 8 24))) (and (= (fp.sqrt roundNearestTiesToEven |v_ULTIMATE.start_main_~x~0#1_30|) |c_ULTIMATE.start_main_~y~0#1|) (fp.geq |v_ULTIMATE.start_main_~x~0#1_30| (_ +zero 8 24)))) is different from true [2024-12-06 04:01:44,313 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 04:01:44,318 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17e157b9-38fe-47eb-81ca-7f6679ef03b4/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (5)] Forceful destruction successful, exit code 0 [2024-12-06 04:01:54,419 WARN L851 $PredicateComparison]: unable to prove that (and (exists ((|v_ULTIMATE.start_main_~x~0#1_21| (_ FloatingPoint 8 24)) (currentRoundingMode RoundingMode)) (and (= |c_ULTIMATE.start_main_~y~0#1| (fp.sqrt currentRoundingMode |v_ULTIMATE.start_main_~x~0#1_21|)) (fp.geq |v_ULTIMATE.start_main_~x~0#1_21| (_ +zero 8 24)))) (exists ((|v_ULTIMATE.start_main_~x~0#1_24| (_ FloatingPoint 8 24)) (currentRoundingMode RoundingMode)) (and (fp.geq |v_ULTIMATE.start_main_~x~0#1_24| (_ +zero 8 24)) (= (fp.sqrt currentRoundingMode |v_ULTIMATE.start_main_~x~0#1_24|) |c_ULTIMATE.start_main_~y~0#1|))) (exists ((|v_ULTIMATE.start_main_~x~0#1_30| (_ FloatingPoint 8 24))) (and (= (fp.sqrt roundNearestTiesToEven |v_ULTIMATE.start_main_~x~0#1_30|) |c_ULTIMATE.start_main_~y~0#1|) (fp.geq |v_ULTIMATE.start_main_~x~0#1_30| (_ +zero 8 24))))) is different from false [2024-12-06 04:02:04,463 WARN L873 $PredicateComparison]: unable to prove that (and (exists ((|v_ULTIMATE.start_main_~x~0#1_21| (_ FloatingPoint 8 24)) (currentRoundingMode RoundingMode)) (and (= |c_ULTIMATE.start_main_~y~0#1| (fp.sqrt currentRoundingMode |v_ULTIMATE.start_main_~x~0#1_21|)) (fp.geq |v_ULTIMATE.start_main_~x~0#1_21| (_ +zero 8 24)))) (exists ((|v_ULTIMATE.start_main_~x~0#1_24| (_ FloatingPoint 8 24)) (currentRoundingMode RoundingMode)) (and (fp.geq |v_ULTIMATE.start_main_~x~0#1_24| (_ +zero 8 24)) (= (fp.sqrt currentRoundingMode |v_ULTIMATE.start_main_~x~0#1_24|) |c_ULTIMATE.start_main_~y~0#1|))) (exists ((|v_ULTIMATE.start_main_~x~0#1_30| (_ FloatingPoint 8 24))) (and (= (fp.sqrt roundNearestTiesToEven |v_ULTIMATE.start_main_~x~0#1_30|) |c_ULTIMATE.start_main_~y~0#1|) (fp.geq |v_ULTIMATE.start_main_~x~0#1_30| (_ +zero 8 24))))) is different from true [2024-12-06 04:02:14,491 WARN L851 $PredicateComparison]: unable to prove that (not (exists ((|v_ULTIMATE.start_main_~x~0#1_30| (_ FloatingPoint 8 24))) (and (= (fp.sqrt roundNearestTiesToEven |v_ULTIMATE.start_main_~x~0#1_30|) |c_ULTIMATE.start_main_~y~0#1|) (fp.geq |v_ULTIMATE.start_main_~x~0#1_30| (_ +zero 8 24))))) is different from false [2024-12-06 04:02:24,525 WARN L873 $PredicateComparison]: unable to prove that (not (exists ((|v_ULTIMATE.start_main_~x~0#1_30| (_ FloatingPoint 8 24))) (and (= (fp.sqrt roundNearestTiesToEven |v_ULTIMATE.start_main_~x~0#1_30|) |c_ULTIMATE.start_main_~y~0#1|) (fp.geq |v_ULTIMATE.start_main_~x~0#1_30| (_ +zero 8 24))))) is different from true [2024-12-06 04:02:34,600 WARN L851 $PredicateComparison]: unable to prove that (and (exists ((|v_ULTIMATE.start_main_~x~0#1_21| (_ FloatingPoint 8 24)) (currentRoundingMode RoundingMode)) (and (= |c_ULTIMATE.start_main_~y~0#1| (fp.sqrt currentRoundingMode |v_ULTIMATE.start_main_~x~0#1_21|)) (fp.geq |v_ULTIMATE.start_main_~x~0#1_21| (_ +zero 8 24)))) (exists ((|v_ULTIMATE.start_main_~x~0#1_24| (_ FloatingPoint 8 24)) (currentRoundingMode RoundingMode)) (and (fp.geq |v_ULTIMATE.start_main_~x~0#1_24| (_ +zero 8 24)) (= (fp.sqrt currentRoundingMode |v_ULTIMATE.start_main_~x~0#1_24|) |c_ULTIMATE.start_main_~y~0#1|))) (not (exists ((|v_ULTIMATE.start_main_~x~0#1_30| (_ FloatingPoint 8 24))) (and (= (fp.sqrt roundNearestTiesToEven |v_ULTIMATE.start_main_~x~0#1_30|) |c_ULTIMATE.start_main_~y~0#1|) (fp.geq |v_ULTIMATE.start_main_~x~0#1_30| (_ +zero 8 24)))))) is different from false [2024-12-06 04:02:44,655 WARN L873 $PredicateComparison]: unable to prove that (and (exists ((|v_ULTIMATE.start_main_~x~0#1_21| (_ FloatingPoint 8 24)) (currentRoundingMode RoundingMode)) (and (= |c_ULTIMATE.start_main_~y~0#1| (fp.sqrt currentRoundingMode |v_ULTIMATE.start_main_~x~0#1_21|)) (fp.geq |v_ULTIMATE.start_main_~x~0#1_21| (_ +zero 8 24)))) (exists ((|v_ULTIMATE.start_main_~x~0#1_24| (_ FloatingPoint 8 24)) (currentRoundingMode RoundingMode)) (and (fp.geq |v_ULTIMATE.start_main_~x~0#1_24| (_ +zero 8 24)) (= (fp.sqrt currentRoundingMode |v_ULTIMATE.start_main_~x~0#1_24|) |c_ULTIMATE.start_main_~y~0#1|))) (not (exists ((|v_ULTIMATE.start_main_~x~0#1_30| (_ FloatingPoint 8 24))) (and (= (fp.sqrt roundNearestTiesToEven |v_ULTIMATE.start_main_~x~0#1_30|) |c_ULTIMATE.start_main_~y~0#1|) (fp.geq |v_ULTIMATE.start_main_~x~0#1_30| (_ +zero 8 24)))))) is different from true [2024-12-06 04:02:54,698 WARN L851 $PredicateComparison]: unable to prove that (not (and (exists ((|v_ULTIMATE.start_main_~x~0#1_21| (_ FloatingPoint 8 24)) (currentRoundingMode RoundingMode)) (and (= |c_ULTIMATE.start_main_~y~0#1| (fp.sqrt currentRoundingMode |v_ULTIMATE.start_main_~x~0#1_21|)) (fp.geq |v_ULTIMATE.start_main_~x~0#1_21| (_ +zero 8 24)))) (exists ((|v_ULTIMATE.start_main_~x~0#1_24| (_ FloatingPoint 8 24)) (currentRoundingMode RoundingMode)) (and (fp.geq |v_ULTIMATE.start_main_~x~0#1_24| (_ +zero 8 24)) (= (fp.sqrt currentRoundingMode |v_ULTIMATE.start_main_~x~0#1_24|) |c_ULTIMATE.start_main_~y~0#1|))) (exists ((|v_ULTIMATE.start_main_~x~0#1_30| (_ FloatingPoint 8 24))) (and (= (fp.sqrt roundNearestTiesToEven |v_ULTIMATE.start_main_~x~0#1_30|) |c_ULTIMATE.start_main_~y~0#1|) (fp.geq |v_ULTIMATE.start_main_~x~0#1_30| (_ +zero 8 24)))))) is different from false [2024-12-06 04:03:04,804 WARN L873 $PredicateComparison]: unable to prove that (not (and (exists ((|v_ULTIMATE.start_main_~x~0#1_21| (_ FloatingPoint 8 24)) (currentRoundingMode RoundingMode)) (and (= |c_ULTIMATE.start_main_~y~0#1| (fp.sqrt currentRoundingMode |v_ULTIMATE.start_main_~x~0#1_21|)) (fp.geq |v_ULTIMATE.start_main_~x~0#1_21| (_ +zero 8 24)))) (exists ((|v_ULTIMATE.start_main_~x~0#1_24| (_ FloatingPoint 8 24)) (currentRoundingMode RoundingMode)) (and (fp.geq |v_ULTIMATE.start_main_~x~0#1_24| (_ +zero 8 24)) (= (fp.sqrt currentRoundingMode |v_ULTIMATE.start_main_~x~0#1_24|) |c_ULTIMATE.start_main_~y~0#1|))) (exists ((|v_ULTIMATE.start_main_~x~0#1_30| (_ FloatingPoint 8 24))) (and (= (fp.sqrt roundNearestTiesToEven |v_ULTIMATE.start_main_~x~0#1_30|) |c_ULTIMATE.start_main_~y~0#1|) (fp.geq |v_ULTIMATE.start_main_~x~0#1_30| (_ +zero 8 24)))))) is different from true [2024-12-06 04:03:14,884 WARN L851 $PredicateComparison]: unable to prove that (not (and (exists ((|v_ULTIMATE.start_main_~x~0#1_21| (_ FloatingPoint 8 24)) (currentRoundingMode RoundingMode)) (and (= |c_ULTIMATE.start_main_~y~0#1| (fp.sqrt currentRoundingMode |v_ULTIMATE.start_main_~x~0#1_21|)) (fp.geq |v_ULTIMATE.start_main_~x~0#1_21| (_ +zero 8 24)))) (exists ((|v_ULTIMATE.start_main_~x~0#1_24| (_ FloatingPoint 8 24)) (currentRoundingMode RoundingMode)) (and (fp.geq |v_ULTIMATE.start_main_~x~0#1_24| (_ +zero 8 24)) (= (fp.sqrt currentRoundingMode |v_ULTIMATE.start_main_~x~0#1_24|) |c_ULTIMATE.start_main_~y~0#1|))) (not (exists ((|v_ULTIMATE.start_main_~x~0#1_30| (_ FloatingPoint 8 24))) (and (= (fp.sqrt roundNearestTiesToEven |v_ULTIMATE.start_main_~x~0#1_30|) |c_ULTIMATE.start_main_~y~0#1|) (fp.geq |v_ULTIMATE.start_main_~x~0#1_30| (_ +zero 8 24))))))) is different from false [2024-12-06 04:03:24,985 WARN L873 $PredicateComparison]: unable to prove that (not (and (exists ((|v_ULTIMATE.start_main_~x~0#1_21| (_ FloatingPoint 8 24)) (currentRoundingMode RoundingMode)) (and (= |c_ULTIMATE.start_main_~y~0#1| (fp.sqrt currentRoundingMode |v_ULTIMATE.start_main_~x~0#1_21|)) (fp.geq |v_ULTIMATE.start_main_~x~0#1_21| (_ +zero 8 24)))) (exists ((|v_ULTIMATE.start_main_~x~0#1_24| (_ FloatingPoint 8 24)) (currentRoundingMode RoundingMode)) (and (fp.geq |v_ULTIMATE.start_main_~x~0#1_24| (_ +zero 8 24)) (= (fp.sqrt currentRoundingMode |v_ULTIMATE.start_main_~x~0#1_24|) |c_ULTIMATE.start_main_~y~0#1|))) (not (exists ((|v_ULTIMATE.start_main_~x~0#1_30| (_ FloatingPoint 8 24))) (and (= (fp.sqrt roundNearestTiesToEven |v_ULTIMATE.start_main_~x~0#1_30|) |c_ULTIMATE.start_main_~y~0#1|) (fp.geq |v_ULTIMATE.start_main_~x~0#1_30| (_ +zero 8 24))))))) is different from true [2024-12-06 04:03:24,987 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:03:24,987 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 8 states and 11 transitions. [2024-12-06 04:03:24,987 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 11 transitions. [2024-12-06 04:03:24,988 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2024-12-06 04:03:24,988 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:03:24,988 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:03:24,988 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17e157b9-38fe-47eb-81ca-7f6679ef03b4/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:03:24,991 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17e157b9-38fe-47eb-81ca-7f6679ef03b4/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:03:24,992 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17e157b9-38fe-47eb-81ca-7f6679ef03b4/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (6)] Waiting until timeout for monitored process [2024-12-06 04:03:25,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:03:25,689 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:03:34,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:03:34,914 INFO L256 TraceCheckSpWp]: Trace formula consists of 22 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-12-06 04:03:34,915 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:03:42,087 WARN L286 SmtUtils]: Spent 7.17s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-06 04:03:51,394 WARN L286 SmtUtils]: Spent 9.31s on a formula simplification that was a NOOP. DAG size: 5 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-06 04:04:09,422 WARN L873 $PredicateComparison]: unable to prove that (exists ((|v_ULTIMATE.start_main_~x~0#1_33| (_ FloatingPoint 8 24)) (currentRoundingMode RoundingMode)) (and (= |c_ULTIMATE.start_main_~y~0#1| (fp.sqrt currentRoundingMode |v_ULTIMATE.start_main_~x~0#1_33|)) (fp.geq |v_ULTIMATE.start_main_~x~0#1_33| (_ +zero 8 24)))) is different from true [2024-12-06 04:04:09,822 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 04:04:09,827 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17e157b9-38fe-47eb-81ca-7f6679ef03b4/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (6)] Forceful destruction successful, exit code 0 [2024-12-06 04:04:19,994 WARN L851 $PredicateComparison]: unable to prove that (not (exists ((|v_ULTIMATE.start_main_~x~0#1_33| (_ FloatingPoint 8 24)) (currentRoundingMode RoundingMode)) (and (= |c_ULTIMATE.start_main_~y~0#1| (fp.sqrt currentRoundingMode |v_ULTIMATE.start_main_~x~0#1_33|)) (fp.geq |v_ULTIMATE.start_main_~x~0#1_33| (_ +zero 8 24))))) is different from false [2024-12-06 04:04:30,028 WARN L873 $PredicateComparison]: unable to prove that (not (exists ((|v_ULTIMATE.start_main_~x~0#1_33| (_ FloatingPoint 8 24)) (currentRoundingMode RoundingMode)) (and (= |c_ULTIMATE.start_main_~y~0#1| (fp.sqrt currentRoundingMode |v_ULTIMATE.start_main_~x~0#1_33|)) (fp.geq |v_ULTIMATE.start_main_~x~0#1_33| (_ +zero 8 24))))) is different from true [2024-12-06 04:04:40,058 WARN L851 $PredicateComparison]: unable to prove that (and (not (exists ((|v_ULTIMATE.start_main_~x~0#1_27| (_ FloatingPoint 8 24)) (currentRoundingMode RoundingMode)) (and (fp.geq |v_ULTIMATE.start_main_~x~0#1_27| (_ +zero 8 24)) (= (fp.sqrt currentRoundingMode |v_ULTIMATE.start_main_~x~0#1_27|) |c_ULTIMATE.start_main_~y~0#1|)))) (not (exists ((|v_ULTIMATE.start_main_~x~0#1_21| (_ FloatingPoint 8 24)) (currentRoundingMode RoundingMode)) (and (= |c_ULTIMATE.start_main_~y~0#1| (fp.sqrt currentRoundingMode |v_ULTIMATE.start_main_~x~0#1_21|)) (fp.geq |v_ULTIMATE.start_main_~x~0#1_21| (_ +zero 8 24))))) (not (exists ((|v_ULTIMATE.start_main_~x~0#1_33| (_ FloatingPoint 8 24)) (currentRoundingMode RoundingMode)) (and (= |c_ULTIMATE.start_main_~y~0#1| (fp.sqrt currentRoundingMode |v_ULTIMATE.start_main_~x~0#1_33|)) (fp.geq |v_ULTIMATE.start_main_~x~0#1_33| (_ +zero 8 24)))))) is different from false [2024-12-06 04:04:50,161 WARN L873 $PredicateComparison]: unable to prove that (and (not (exists ((|v_ULTIMATE.start_main_~x~0#1_27| (_ FloatingPoint 8 24)) (currentRoundingMode RoundingMode)) (and (fp.geq |v_ULTIMATE.start_main_~x~0#1_27| (_ +zero 8 24)) (= (fp.sqrt currentRoundingMode |v_ULTIMATE.start_main_~x~0#1_27|) |c_ULTIMATE.start_main_~y~0#1|)))) (not (exists ((|v_ULTIMATE.start_main_~x~0#1_21| (_ FloatingPoint 8 24)) (currentRoundingMode RoundingMode)) (and (= |c_ULTIMATE.start_main_~y~0#1| (fp.sqrt currentRoundingMode |v_ULTIMATE.start_main_~x~0#1_21|)) (fp.geq |v_ULTIMATE.start_main_~x~0#1_21| (_ +zero 8 24))))) (not (exists ((|v_ULTIMATE.start_main_~x~0#1_33| (_ FloatingPoint 8 24)) (currentRoundingMode RoundingMode)) (and (= |c_ULTIMATE.start_main_~y~0#1| (fp.sqrt currentRoundingMode |v_ULTIMATE.start_main_~x~0#1_33|)) (fp.geq |v_ULTIMATE.start_main_~x~0#1_33| (_ +zero 8 24)))))) is different from true [2024-12-06 04:05:00,276 WARN L851 $PredicateComparison]: unable to prove that (not (and (not (exists ((|v_ULTIMATE.start_main_~x~0#1_27| (_ FloatingPoint 8 24)) (currentRoundingMode RoundingMode)) (and (fp.geq |v_ULTIMATE.start_main_~x~0#1_27| (_ +zero 8 24)) (= (fp.sqrt currentRoundingMode |v_ULTIMATE.start_main_~x~0#1_27|) |c_ULTIMATE.start_main_~y~0#1|)))) (not (exists ((|v_ULTIMATE.start_main_~x~0#1_21| (_ FloatingPoint 8 24)) (currentRoundingMode RoundingMode)) (and (= |c_ULTIMATE.start_main_~y~0#1| (fp.sqrt currentRoundingMode |v_ULTIMATE.start_main_~x~0#1_21|)) (fp.geq |v_ULTIMATE.start_main_~x~0#1_21| (_ +zero 8 24))))) (not (exists ((|v_ULTIMATE.start_main_~x~0#1_33| (_ FloatingPoint 8 24)) (currentRoundingMode RoundingMode)) (and (= |c_ULTIMATE.start_main_~y~0#1| (fp.sqrt currentRoundingMode |v_ULTIMATE.start_main_~x~0#1_33|)) (fp.geq |v_ULTIMATE.start_main_~x~0#1_33| (_ +zero 8 24))))))) is different from false [2024-12-06 04:05:10,322 WARN L873 $PredicateComparison]: unable to prove that (not (and (not (exists ((|v_ULTIMATE.start_main_~x~0#1_27| (_ FloatingPoint 8 24)) (currentRoundingMode RoundingMode)) (and (fp.geq |v_ULTIMATE.start_main_~x~0#1_27| (_ +zero 8 24)) (= (fp.sqrt currentRoundingMode |v_ULTIMATE.start_main_~x~0#1_27|) |c_ULTIMATE.start_main_~y~0#1|)))) (not (exists ((|v_ULTIMATE.start_main_~x~0#1_21| (_ FloatingPoint 8 24)) (currentRoundingMode RoundingMode)) (and (= |c_ULTIMATE.start_main_~y~0#1| (fp.sqrt currentRoundingMode |v_ULTIMATE.start_main_~x~0#1_21|)) (fp.geq |v_ULTIMATE.start_main_~x~0#1_21| (_ +zero 8 24))))) (not (exists ((|v_ULTIMATE.start_main_~x~0#1_33| (_ FloatingPoint 8 24)) (currentRoundingMode RoundingMode)) (and (= |c_ULTIMATE.start_main_~y~0#1| (fp.sqrt currentRoundingMode |v_ULTIMATE.start_main_~x~0#1_33|)) (fp.geq |v_ULTIMATE.start_main_~x~0#1_33| (_ +zero 8 24))))))) is different from true [2024-12-06 04:05:10,324 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:05:10,324 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 8 states and 11 transitions. [2024-12-06 04:05:10,325 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 11 transitions. [2024-12-06 04:05:10,325 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2024-12-06 04:05:10,325 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:05:10,325 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:05:10,326 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17e157b9-38fe-47eb-81ca-7f6679ef03b4/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:05:10,329 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17e157b9-38fe-47eb-81ca-7f6679ef03b4/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:05:10,330 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17e157b9-38fe-47eb-81ca-7f6679ef03b4/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (7)] Waiting until timeout for monitored process [2024-12-06 04:05:10,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:05:10,990 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:05:21,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 04:05:21,160 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17e157b9-38fe-47eb-81ca-7f6679ef03b4/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (7)] Forceful destruction successful, exit code 0 [2024-12-06 04:05:21,160 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck has thrown an exception: java.lang.UnsupportedOperationException: Solver said unknown at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:485) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.CFGWalker.runObserver(CFGWalker.java:57) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:166) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2024-12-06 04:05:21,164 INFO L158 Benchmark]: Toolchain (without parser) took 482864.43ms. Allocated memory is still 92.3MB. Free memory was 68.2MB in the beginning and 27.8MB in the end (delta: 40.4MB). Peak memory consumption was 38.6MB. Max. memory is 16.1GB. [2024-12-06 04:05:21,164 INFO L158 Benchmark]: CDTParser took 0.32ms. Allocated memory is still 83.9MB. Free memory is still 48.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 04:05:21,164 INFO L158 Benchmark]: CACSL2BoogieTranslator took 625.33ms. Allocated memory is still 92.3MB. Free memory was 67.9MB in the beginning and 40.6MB in the end (delta: 27.3MB). Peak memory consumption was 40.3MB. Max. memory is 16.1GB. [2024-12-06 04:05:21,164 INFO L158 Benchmark]: Boogie Procedure Inliner took 39.49ms. Allocated memory is still 92.3MB. Free memory was 40.6MB in the beginning and 38.0MB in the end (delta: 2.7MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 04:05:21,165 INFO L158 Benchmark]: Boogie Preprocessor took 20.85ms. Allocated memory is still 92.3MB. Free memory was 38.0MB in the beginning and 37.0MB in the end (delta: 996.8kB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 04:05:21,165 INFO L158 Benchmark]: RCFGBuilder took 3089.32ms. Allocated memory is still 92.3MB. Free memory was 37.0MB in the beginning and 59.4MB in the end (delta: -22.4MB). Peak memory consumption was 12.3MB. Max. memory is 16.1GB. [2024-12-06 04:05:21,165 INFO L158 Benchmark]: CodeCheck took 479085.25ms. Allocated memory is still 92.3MB. Free memory was 59.4MB in the beginning and 27.8MB in the end (delta: 31.6MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-12-06 04:05:21,167 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - ExceptionOrErrorResult: UnsupportedOperationException: Solver said unknown de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: UnsupportedOperationException: Solver said unknown: de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:485) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32ms. Allocated memory is still 83.9MB. Free memory is still 48.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 625.33ms. Allocated memory is still 92.3MB. Free memory was 67.9MB in the beginning and 40.6MB in the end (delta: 27.3MB). Peak memory consumption was 40.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 39.49ms. Allocated memory is still 92.3MB. Free memory was 40.6MB in the beginning and 38.0MB in the end (delta: 2.7MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 20.85ms. Allocated memory is still 92.3MB. Free memory was 38.0MB in the beginning and 37.0MB in the end (delta: 996.8kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 3089.32ms. Allocated memory is still 92.3MB. Free memory was 37.0MB in the beginning and 59.4MB in the end (delta: -22.4MB). Peak memory consumption was 12.3MB. Max. memory is 16.1GB. * CodeCheck took 479085.25ms. Allocated memory is still 92.3MB. Free memory was 59.4MB in the beginning and 27.8MB in the end (delta: 31.6MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-12-06 04:05:21,374 WARN L435 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17e157b9-38fe-47eb-81ca-7f6679ef03b4/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forcibly destroying the process [2024-12-06 04:05:21,412 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17e157b9-38fe-47eb-81ca-7f6679ef03b4/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 137 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: UnsupportedOperationException: Solver said unknown