./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/neural-networks/elu_4_safe.c-amalgamation.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 826ab2ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32333357-5f08-45b0-884c-119859a783ce/bin/utaipan-verify-sOmjnqqW8E/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32333357-5f08-45b0-884c-119859a783ce/bin/utaipan-verify-sOmjnqqW8E/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32333357-5f08-45b0-884c-119859a783ce/bin/utaipan-verify-sOmjnqqW8E/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32333357-5f08-45b0-884c-119859a783ce/bin/utaipan-verify-sOmjnqqW8E/config/TaipanReach.xml -i ../../sv-benchmarks/c/neural-networks/elu_4_safe.c-amalgamation.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32333357-5f08-45b0-884c-119859a783ce/bin/utaipan-verify-sOmjnqqW8E/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32333357-5f08-45b0-884c-119859a783ce/bin/utaipan-verify-sOmjnqqW8E --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 Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 44cf836f37a0b6a4b6e43698ba7a51728618fc4f76274a3be50a851d4340f7f0 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-14 03:29:17,898 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-14 03:29:18,008 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32333357-5f08-45b0-884c-119859a783ce/bin/utaipan-verify-sOmjnqqW8E/config/svcomp-Reach-32bit-Taipan_Default.epf [2024-11-14 03:29:18,014 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-14 03:29:18,014 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-14 03:29:18,039 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-14 03:29:18,040 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-14 03:29:18,040 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-14 03:29:18,041 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-14 03:29:18,041 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-14 03:29:18,041 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-14 03:29:18,041 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-14 03:29:18,042 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-14 03:29:18,042 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2024-11-14 03:29:18,042 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-14 03:29:18,042 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-14 03:29:18,042 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2024-11-14 03:29:18,043 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2024-11-14 03:29:18,043 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-14 03:29:18,043 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2024-11-14 03:29:18,043 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2024-11-14 03:29:18,043 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2024-11-14 03:29:18,044 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-14 03:29:18,044 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-14 03:29:18,044 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-14 03:29:18,044 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-14 03:29:18,045 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-14 03:29:18,045 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-14 03:29:18,045 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-14 03:29:18,045 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-14 03:29:18,045 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-14 03:29:18,045 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-14 03:29:18,046 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-14 03:29:18,046 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-14 03:29:18,046 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-14 03:29:18,046 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-14 03:29:18,046 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-14 03:29:18,046 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-14 03:29:18,047 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-14 03:29:18,047 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-14 03:29:18,047 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-14 03:29:18,047 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-14 03:29:18,047 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2024-11-14 03:29:18,047 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-14 03:29:18,048 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-14 03:29:18,048 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-14 03:29:18,048 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-14 03:29:18,048 INFO L153 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES 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_32333357-5f08-45b0-884c-119859a783ce/bin/utaipan-verify-sOmjnqqW8E 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 -> Taipan 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 -> 44cf836f37a0b6a4b6e43698ba7a51728618fc4f76274a3be50a851d4340f7f0 [2024-11-14 03:29:18,342 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-14 03:29:18,352 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-14 03:29:18,355 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-14 03:29:18,356 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-14 03:29:18,357 INFO L274 PluginConnector]: CDTParser initialized [2024-11-14 03:29:18,358 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32333357-5f08-45b0-884c-119859a783ce/bin/utaipan-verify-sOmjnqqW8E/../../sv-benchmarks/c/neural-networks/elu_4_safe.c-amalgamation.i Unable to find full path for "g++" [2024-11-14 03:29:20,281 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-14 03:29:20,805 INFO L384 CDTParser]: Found 1 translation units. [2024-11-14 03:29:20,806 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32333357-5f08-45b0-884c-119859a783ce/sv-benchmarks/c/neural-networks/elu_4_safe.c-amalgamation.i [2024-11-14 03:29:20,842 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32333357-5f08-45b0-884c-119859a783ce/bin/utaipan-verify-sOmjnqqW8E/data/5f1668b7c/42fb187a33544de284e8a8fe8c581b29/FLAG7c530346e [2024-11-14 03:29:20,868 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32333357-5f08-45b0-884c-119859a783ce/bin/utaipan-verify-sOmjnqqW8E/data/5f1668b7c/42fb187a33544de284e8a8fe8c581b29 [2024-11-14 03:29:20,871 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-14 03:29:20,873 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-14 03:29:20,876 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-14 03:29:20,876 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-14 03:29:20,884 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-14 03:29:20,887 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.11 03:29:20" (1/1) ... [2024-11-14 03:29:20,890 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@42a3322f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:29:20, skipping insertion in model container [2024-11-14 03:29:20,891 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.11 03:29:20" (1/1) ... [2024-11-14 03:29:20,952 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-14 03:29:21,950 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: isnan 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.lambda$150(StandardFunctionHandler.java:621) 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:1611) 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:2564) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:307) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:791) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:286) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2564) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:307) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2564) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:307) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1761) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:233) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.handleCompoundStatement(CHandler.java:1167) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1150) 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:388) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1638) 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:3515) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2508) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:642) 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) [2024-11-14 03:29:21,957 INFO L158 Benchmark]: Toolchain (without parser) took 1083.05ms. Allocated memory is still 142.6MB. Free memory was 116.9MB in the beginning and 102.1MB in the end (delta: 14.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-14 03:29:21,957 INFO L158 Benchmark]: CDTParser took 0.47ms. Allocated memory is still 142.6MB. Free memory is still 80.7MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-14 03:29:21,958 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1079.53ms. Allocated memory is still 142.6MB. Free memory was 116.9MB in the beginning and 102.1MB in the end (delta: 14.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-14 03:29:21,959 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.47ms. Allocated memory is still 142.6MB. Free memory is still 80.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1079.53ms. Allocated memory is still 142.6MB. Free memory was 116.9MB in the beginning and 102.1MB in the end (delta: 14.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - ExceptionOrErrorResult: UnsupportedOperationException: floating point operation not supported in non-bitprecise translation: isnan de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: UnsupportedOperationException: floating point operation not supported in non-bitprecise translation: isnan: 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_32333357-5f08-45b0-884c-119859a783ce/bin/utaipan-verify-sOmjnqqW8E/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32333357-5f08-45b0-884c-119859a783ce/bin/utaipan-verify-sOmjnqqW8E/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32333357-5f08-45b0-884c-119859a783ce/bin/utaipan-verify-sOmjnqqW8E/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32333357-5f08-45b0-884c-119859a783ce/bin/utaipan-verify-sOmjnqqW8E/config/TaipanReach.xml -i ../../sv-benchmarks/c/neural-networks/elu_4_safe.c-amalgamation.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32333357-5f08-45b0-884c-119859a783ce/bin/utaipan-verify-sOmjnqqW8E/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32333357-5f08-45b0-884c-119859a783ce/bin/utaipan-verify-sOmjnqqW8E --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 Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 44cf836f37a0b6a4b6e43698ba7a51728618fc4f76274a3be50a851d4340f7f0 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-14 03:29:24,946 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-14 03:29:25,094 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32333357-5f08-45b0-884c-119859a783ce/bin/utaipan-verify-sOmjnqqW8E/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2024-11-14 03:29:25,115 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-14 03:29:25,115 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-14 03:29:25,176 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-14 03:29:25,177 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-14 03:29:25,178 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-14 03:29:25,179 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-14 03:29:25,179 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-14 03:29:25,179 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-14 03:29:25,179 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-14 03:29:25,179 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-14 03:29:25,179 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-14 03:29:25,180 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-14 03:29:25,180 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-14 03:29:25,180 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-14 03:29:25,180 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-14 03:29:25,180 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-14 03:29:25,180 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-14 03:29:25,181 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-14 03:29:25,183 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-14 03:29:25,183 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-14 03:29:25,183 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-14 03:29:25,184 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-14 03:29:25,184 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-14 03:29:25,184 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-14 03:29:25,184 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-14 03:29:25,184 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-14 03:29:25,184 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-14 03:29:25,184 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-14 03:29:25,185 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-14 03:29:25,185 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-14 03:29:25,185 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-14 03:29:25,185 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-14 03:29:25,185 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-14 03:29:25,185 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-14 03:29:25,186 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-14 03:29:25,186 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-14 03:29:25,187 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-14 03:29:25,187 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-14 03:29:25,187 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-14 03:29:25,187 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-14 03:29:25,187 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_32333357-5f08-45b0-884c-119859a783ce/bin/utaipan-verify-sOmjnqqW8E 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 -> Taipan 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 -> 44cf836f37a0b6a4b6e43698ba7a51728618fc4f76274a3be50a851d4340f7f0 [2024-11-14 03:29:25,542 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-14 03:29:25,550 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-14 03:29:25,553 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-14 03:29:25,555 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-14 03:29:25,555 INFO L274 PluginConnector]: CDTParser initialized [2024-11-14 03:29:25,556 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32333357-5f08-45b0-884c-119859a783ce/bin/utaipan-verify-sOmjnqqW8E/../../sv-benchmarks/c/neural-networks/elu_4_safe.c-amalgamation.i Unable to find full path for "g++" [2024-11-14 03:29:27,735 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-14 03:29:28,178 INFO L384 CDTParser]: Found 1 translation units. [2024-11-14 03:29:28,179 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32333357-5f08-45b0-884c-119859a783ce/sv-benchmarks/c/neural-networks/elu_4_safe.c-amalgamation.i [2024-11-14 03:29:28,203 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32333357-5f08-45b0-884c-119859a783ce/bin/utaipan-verify-sOmjnqqW8E/data/c5090e7a4/e4c6fac350594cab8a8ca6933323e85c/FLAG5615d3d71 [2024-11-14 03:29:28,222 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32333357-5f08-45b0-884c-119859a783ce/bin/utaipan-verify-sOmjnqqW8E/data/c5090e7a4/e4c6fac350594cab8a8ca6933323e85c [2024-11-14 03:29:28,225 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-14 03:29:28,228 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-14 03:29:28,230 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-14 03:29:28,231 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-14 03:29:28,236 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-14 03:29:28,237 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.11 03:29:28" (1/1) ... [2024-11-14 03:29:28,240 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@32c353f4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:29:28, skipping insertion in model container [2024-11-14 03:29:28,240 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.11 03:29:28" (1/1) ... [2024-11-14 03:29:28,321 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-14 03:29:29,147 WARN L1684 CHandler]: Possible shadowing of function y1 [2024-11-14 03:29:29,152 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_32333357-5f08-45b0-884c-119859a783ce/sv-benchmarks/c/neural-networks/elu_4_safe.c-amalgamation.i[63198,63211] [2024-11-14 03:29:29,156 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-14 03:29:29,171 INFO L200 MainTranslator]: Completed pre-run [2024-11-14 03:29:29,235 WARN L1684 CHandler]: Possible shadowing of function y1 [2024-11-14 03:29:29,241 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_32333357-5f08-45b0-884c-119859a783ce/sv-benchmarks/c/neural-networks/elu_4_safe.c-amalgamation.i[63198,63211] [2024-11-14 03:29:29,241 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-14 03:29:29,431 INFO L204 MainTranslator]: Completed translation [2024-11-14 03:29:29,431 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:29:29 WrapperNode [2024-11-14 03:29:29,432 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-14 03:29:29,433 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-14 03:29:29,433 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-14 03:29:29,433 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-14 03:29:29,443 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:29:29" (1/1) ... [2024-11-14 03:29:29,479 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:29:29" (1/1) ... [2024-11-14 03:29:29,512 INFO L138 Inliner]: procedures = 559, calls = 15, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 35 [2024-11-14 03:29:29,512 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-14 03:29:29,513 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-14 03:29:29,513 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-14 03:29:29,513 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-14 03:29:29,520 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:29:29" (1/1) ... [2024-11-14 03:29:29,520 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:29:29" (1/1) ... [2024-11-14 03:29:29,523 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:29:29" (1/1) ... [2024-11-14 03:29:29,523 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:29:29" (1/1) ... [2024-11-14 03:29:29,538 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:29:29" (1/1) ... [2024-11-14 03:29:29,540 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:29:29" (1/1) ... [2024-11-14 03:29:29,544 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:29:29" (1/1) ... [2024-11-14 03:29:29,549 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:29:29" (1/1) ... [2024-11-14 03:29:29,551 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-14 03:29:29,553 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-14 03:29:29,553 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-14 03:29:29,553 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-14 03:29:29,554 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:29:29" (1/1) ... [2024-11-14 03:29:29,562 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-14 03:29:29,577 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32333357-5f08-45b0-884c-119859a783ce/bin/utaipan-verify-sOmjnqqW8E/z3 [2024-11-14 03:29:29,590 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32333357-5f08-45b0-884c-119859a783ce/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-14 03:29:29,594 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32333357-5f08-45b0-884c-119859a783ce/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-14 03:29:29,625 INFO L130 BoogieDeclarations]: Found specification of procedure elu [2024-11-14 03:29:29,625 INFO L138 BoogieDeclarations]: Found implementation of procedure elu [2024-11-14 03:29:29,625 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-14 03:29:29,626 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-14 03:29:29,626 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-14 03:29:29,626 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-14 03:29:29,753 INFO L238 CfgBuilder]: Building ICFG [2024-11-14 03:29:29,755 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-14 03:29:33,931 INFO L? ?]: Removed 8 outVars from TransFormulas that were not future-live. [2024-11-14 03:29:33,931 INFO L287 CfgBuilder]: Performing block encoding [2024-11-14 03:29:33,942 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-14 03:29:33,943 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-14 03:29:33,943 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 03:29:33 BoogieIcfgContainer [2024-11-14 03:29:33,943 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-14 03:29:33,948 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-14 03:29:33,948 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-14 03:29:33,954 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-14 03:29:33,955 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.11 03:29:28" (1/3) ... [2024-11-14 03:29:33,955 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1384069e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.11 03:29:33, skipping insertion in model container [2024-11-14 03:29:33,956 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:29:29" (2/3) ... [2024-11-14 03:29:33,956 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1384069e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.11 03:29:33, skipping insertion in model container [2024-11-14 03:29:33,956 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 03:29:33" (3/3) ... [2024-11-14 03:29:33,958 INFO L112 eAbstractionObserver]: Analyzing ICFG elu_4_safe.c-amalgamation.i [2024-11-14 03:29:33,977 INFO L217 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-14 03:29:33,980 INFO L154 ceAbstractionStarter]: Applying trace abstraction to ICFG elu_4_safe.c-amalgamation.i that has 2 procedures, 18 locations, 1 initial locations, 0 loop locations, and 1 error locations. [2024-11-14 03:29:34,051 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-14 03:29:34,070 INFO L333 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@7bed6149, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-14 03:29:34,070 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-14 03:29:34,076 INFO L276 IsEmpty]: Start isEmpty. Operand has 18 states, 13 states have (on average 1.3076923076923077) internal successors, (17), 14 states have internal predecessors, (17), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-14 03:29:34,084 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-11-14 03:29:34,084 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 03:29:34,085 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-14 03:29:34,085 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 03:29:34,093 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 03:29:34,095 INFO L85 PathProgramCache]: Analyzing trace with hash 1270606093, now seen corresponding path program 1 times [2024-11-14 03:29:34,107 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-14 03:29:34,108 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1156242840] [2024-11-14 03:29:34,109 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 03:29:34,109 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-14 03:29:34,110 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32333357-5f08-45b0-884c-119859a783ce/bin/utaipan-verify-sOmjnqqW8E/mathsat [2024-11-14 03:29:34,112 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32333357-5f08-45b0-884c-119859a783ce/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-14 03:29:34,115 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32333357-5f08-45b0-884c-119859a783ce/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2024-11-14 03:29:35,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 03:29:35,190 INFO L255 TraceCheckSpWp]: Trace formula consists of 41 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-14 03:29:35,195 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 03:29:35,221 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-14 03:29:35,221 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-14 03:29:35,222 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-14 03:29:35,226 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1156242840] [2024-11-14 03:29:35,227 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1156242840] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 03:29:35,227 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 03:29:35,228 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-14 03:29:35,229 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [231629748] [2024-11-14 03:29:35,230 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 03:29:35,235 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-14 03:29:35,237 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-14 03:29:35,263 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-14 03:29:35,264 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-14 03:29:35,267 INFO L87 Difference]: Start difference. First operand has 18 states, 13 states have (on average 1.3076923076923077) internal successors, (17), 14 states have internal predecessors, (17), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Second operand has 2 states, 2 states have (on average 5.0) internal successors, (10), 2 states have internal predecessors, (10), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-14 03:29:35,287 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 03:29:35,288 INFO L93 Difference]: Finished difference Result 33 states and 38 transitions. [2024-11-14 03:29:35,289 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-14 03:29:35,291 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 5.0) internal successors, (10), 2 states have internal predecessors, (10), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 17 [2024-11-14 03:29:35,292 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 03:29:35,298 INFO L225 Difference]: With dead ends: 33 [2024-11-14 03:29:35,299 INFO L226 Difference]: Without dead ends: 14 [2024-11-14 03:29:35,303 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-14 03:29:35,308 INFO L432 NwaCegarLoop]: 19 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 19 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-14 03:29:35,310 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 19 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-14 03:29:35,330 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14 states. [2024-11-14 03:29:35,347 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14 to 14. [2024-11-14 03:29:35,349 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14 states, 10 states have (on average 1.1) internal successors, (11), 10 states have internal predecessors, (11), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-14 03:29:35,356 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 15 transitions. [2024-11-14 03:29:35,358 INFO L78 Accepts]: Start accepts. Automaton has 14 states and 15 transitions. Word has length 17 [2024-11-14 03:29:35,359 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 03:29:35,359 INFO L471 AbstractCegarLoop]: Abstraction has 14 states and 15 transitions. [2024-11-14 03:29:35,359 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 5.0) internal successors, (10), 2 states have internal predecessors, (10), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-14 03:29:35,361 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 15 transitions. [2024-11-14 03:29:35,362 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-11-14 03:29:35,363 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 03:29:35,363 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-14 03:29:35,385 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32333357-5f08-45b0-884c-119859a783ce/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Ended with exit code 0 [2024-11-14 03:29:35,563 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32333357-5f08-45b0-884c-119859a783ce/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-14 03:29:35,564 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 03:29:35,565 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 03:29:35,565 INFO L85 PathProgramCache]: Analyzing trace with hash -9257585, now seen corresponding path program 1 times [2024-11-14 03:29:35,566 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-14 03:29:35,566 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [112732932] [2024-11-14 03:29:35,566 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 03:29:35,566 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-14 03:29:35,566 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32333357-5f08-45b0-884c-119859a783ce/bin/utaipan-verify-sOmjnqqW8E/mathsat [2024-11-14 03:29:35,574 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32333357-5f08-45b0-884c-119859a783ce/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-14 03:29:35,575 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32333357-5f08-45b0-884c-119859a783ce/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2024-11-14 03:29:37,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-14 03:29:37,661 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-14 03:29:40,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-14 03:29:40,231 INFO L130 FreeRefinementEngine]: Strategy WALRUS found a feasible trace [2024-11-14 03:29:40,231 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-14 03:29:40,234 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-14 03:29:40,266 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32333357-5f08-45b0-884c-119859a783ce/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Ended with exit code 0 [2024-11-14 03:29:40,438 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32333357-5f08-45b0-884c-119859a783ce/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-14 03:29:40,442 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1] [2024-11-14 03:29:40,463 INFO L173 ceAbstractionStarter]: Computing trace abstraction results [2024-11-14 03:29:40,467 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.11 03:29:40 BoogieIcfgContainer [2024-11-14 03:29:40,467 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-14 03:29:40,468 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-14 03:29:40,468 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-14 03:29:40,468 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-14 03:29:40,469 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 03:29:33" (3/4) ... [2024-11-14 03:29:40,472 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-14 03:29:40,474 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-14 03:29:40,475 INFO L158 Benchmark]: Toolchain (without parser) took 12247.00ms. Allocated memory was 117.4MB in the beginning and 260.0MB in the end (delta: 142.6MB). Free memory was 89.9MB in the beginning and 178.5MB in the end (delta: -88.6MB). Peak memory consumption was 56.8MB. Max. memory is 16.1GB. [2024-11-14 03:29:40,475 INFO L158 Benchmark]: CDTParser took 0.45ms. Allocated memory is still 117.4MB. Free memory is still 82.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-14 03:29:40,476 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1202.59ms. Allocated memory was 117.4MB in the beginning and 260.0MB in the end (delta: 142.6MB). Free memory was 89.7MB in the beginning and 218.5MB in the end (delta: -128.8MB). Peak memory consumption was 56.8MB. Max. memory is 16.1GB. [2024-11-14 03:29:40,476 INFO L158 Benchmark]: Boogie Procedure Inliner took 79.38ms. Allocated memory is still 260.0MB. Free memory was 218.5MB in the beginning and 215.9MB in the end (delta: 2.5MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-14 03:29:40,477 INFO L158 Benchmark]: Boogie Preprocessor took 38.82ms. Allocated memory is still 260.0MB. Free memory was 215.9MB in the beginning and 214.9MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-14 03:29:40,477 INFO L158 Benchmark]: RCFGBuilder took 4390.88ms. Allocated memory is still 260.0MB. Free memory was 214.9MB in the beginning and 202.9MB in the end (delta: 12.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-14 03:29:40,478 INFO L158 Benchmark]: TraceAbstraction took 6519.62ms. Allocated memory is still 260.0MB. Free memory was 202.4MB in the beginning and 179.0MB in the end (delta: 23.4MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-11-14 03:29:40,478 INFO L158 Benchmark]: Witness Printer took 5.72ms. Allocated memory is still 260.0MB. Free memory is still 178.5MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-14 03:29:40,480 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.45ms. Allocated memory is still 117.4MB. Free memory is still 82.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1202.59ms. Allocated memory was 117.4MB in the beginning and 260.0MB in the end (delta: 142.6MB). Free memory was 89.7MB in the beginning and 218.5MB in the end (delta: -128.8MB). Peak memory consumption was 56.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 79.38ms. Allocated memory is still 260.0MB. Free memory was 218.5MB in the beginning and 215.9MB in the end (delta: 2.5MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 38.82ms. Allocated memory is still 260.0MB. Free memory was 215.9MB in the beginning and 214.9MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 4390.88ms. Allocated memory is still 260.0MB. Free memory was 214.9MB in the beginning and 202.9MB in the end (delta: 12.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 6519.62ms. Allocated memory is still 260.0MB. Free memory was 202.4MB in the beginning and 179.0MB in the end (delta: 23.4MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * Witness Printer took 5.72ms. Allocated memory is still 260.0MB. Free memory is still 178.5MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 860]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of __builtin_isinf_sign at line 856. Possible FailurePath: [L854] float x1 = __VERIFIER_nondet_float(); [L855] float x2 = x1 + 1e-2; [L856] COND FALSE !(!(!__builtin_isnan (x1) && !__builtin_isinf_sign (x1))) [L857] CALL, EXPR elu(x1) [L847] COND TRUE x >= 0.0f [L848] return x; [L857] RET, EXPR elu(x1) [L857] float y1 = elu(x1); [L858] CALL, EXPR elu(x2) [L847] COND TRUE x >= 0.0f [L848] return x; [L858] RET, EXPR elu(x2) [L858] float y2 = elu(x2); [L859] float derivative = (y2 - y1) / 1e-2; VAL [derivative=NaN] [L860] COND TRUE !(__builtin_isgreaterequal(derivative, 0.0f)) [L860] reach_error() - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 18 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 6.4s, OverallIterations: 2, TraceHistogramMax: 2, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 0 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 19 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 0 IncrementalHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 19 mSDtfsCounter, 0 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 16 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=18occurred in iteration=0, InterpolantAutomatonStates: 2, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 3.0s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 34 NumberOfCodeBlocks, 34 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 16 ConstructedInterpolants, 0 QuantifiedInterpolants, 16 SizeOfPredicates, 0 NumberOfNonLiveVariables, 41 ConjunctsInSsa, 1 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 4/4 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-14 03:29:40,562 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32333357-5f08-45b0-884c-119859a783ce/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN: Overapproximated counterexample