./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/neural-networks/sin_3_unsafe.c-amalgamation.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 6497de01 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ccf7989-a5aa-48fd-bc63-4426b3ce6b9a/bin/uautomizer-verify-LYvppIcaGC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ccf7989-a5aa-48fd-bc63-4426b3ce6b9a/bin/uautomizer-verify-LYvppIcaGC/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ccf7989-a5aa-48fd-bc63-4426b3ce6b9a/bin/uautomizer-verify-LYvppIcaGC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ccf7989-a5aa-48fd-bc63-4426b3ce6b9a/bin/uautomizer-verify-LYvppIcaGC/config/AutomizerReach.xml -i ../../sv-benchmarks/c/neural-networks/sin_3_unsafe.c-amalgamation.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ccf7989-a5aa-48fd-bc63-4426b3ce6b9a/bin/uautomizer-verify-LYvppIcaGC/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ccf7989-a5aa-48fd-bc63-4426b3ce6b9a/bin/uautomizer-verify-LYvppIcaGC --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 Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash f2143318ebd3422203e70a398fa1cefded39973c0b5507e72f1f7cb4c9e6b964 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-6497de0 [2024-11-24 00:47:20,938 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-24 00:47:21,052 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ccf7989-a5aa-48fd-bc63-4426b3ce6b9a/bin/uautomizer-verify-LYvppIcaGC/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-24 00:47:21,059 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-24 00:47:21,060 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-24 00:47:21,093 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-24 00:47:21,094 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-24 00:47:21,095 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-24 00:47:21,095 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-24 00:47:21,095 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-24 00:47:21,095 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-24 00:47:21,095 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-24 00:47:21,096 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-24 00:47:21,096 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-24 00:47:21,096 INFO L153 SettingsManager]: * Use SBE=true [2024-11-24 00:47:21,096 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-24 00:47:21,096 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-24 00:47:21,097 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-24 00:47:21,097 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-24 00:47:21,097 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-24 00:47:21,097 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-24 00:47:21,097 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-24 00:47:21,097 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-24 00:47:21,097 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-24 00:47:21,098 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-24 00:47:21,098 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-24 00:47:21,098 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-24 00:47:21,098 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-24 00:47:21,099 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-24 00:47:21,099 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-24 00:47:21,099 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-24 00:47:21,099 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-24 00:47:21,100 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-24 00:47:21,100 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-24 00:47:21,100 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-24 00:47:21,100 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-24 00:47:21,100 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-24 00:47:21,101 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-24 00:47:21,101 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-24 00:47:21,101 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-24 00:47:21,101 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-11-24 00:47:21,101 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-24 00:47:21,102 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-24 00:47:21,102 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-24 00:47:21,102 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-24 00:47:21,102 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-24 00:47:21,102 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-24 00:47:21,103 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-24 00:47:21,103 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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_1ccf7989-a5aa-48fd-bc63-4426b3ce6b9a/bin/uautomizer-verify-LYvppIcaGC 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 -> Automizer 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 -> f2143318ebd3422203e70a398fa1cefded39973c0b5507e72f1f7cb4c9e6b964 [2024-11-24 00:47:21,480 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-24 00:47:21,494 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-24 00:47:21,498 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-24 00:47:21,499 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-24 00:47:21,500 INFO L274 PluginConnector]: CDTParser initialized [2024-11-24 00:47:21,502 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ccf7989-a5aa-48fd-bc63-4426b3ce6b9a/bin/uautomizer-verify-LYvppIcaGC/../../sv-benchmarks/c/neural-networks/sin_3_unsafe.c-amalgamation.i [2024-11-24 00:47:25,191 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ccf7989-a5aa-48fd-bc63-4426b3ce6b9a/bin/uautomizer-verify-LYvppIcaGC/data/6cc66c952/05fb464024c940fe9a77acf8c9c3ce04/FLAG6652ffa84 [2024-11-24 00:47:25,843 INFO L384 CDTParser]: Found 1 translation units. [2024-11-24 00:47:25,844 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ccf7989-a5aa-48fd-bc63-4426b3ce6b9a/sv-benchmarks/c/neural-networks/sin_3_unsafe.c-amalgamation.i [2024-11-24 00:47:25,878 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ccf7989-a5aa-48fd-bc63-4426b3ce6b9a/bin/uautomizer-verify-LYvppIcaGC/data/6cc66c952/05fb464024c940fe9a77acf8c9c3ce04/FLAG6652ffa84 [2024-11-24 00:47:25,904 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ccf7989-a5aa-48fd-bc63-4426b3ce6b9a/bin/uautomizer-verify-LYvppIcaGC/data/6cc66c952/05fb464024c940fe9a77acf8c9c3ce04 [2024-11-24 00:47:25,910 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-24 00:47:25,911 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-24 00:47:25,916 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-24 00:47:25,916 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-24 00:47:25,922 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-24 00:47:25,923 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 12:47:25" (1/1) ... [2024-11-24 00:47:25,924 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@77c9ee7e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:47:25, skipping insertion in model container [2024-11-24 00:47:25,924 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 12:47:25" (1/1) ... [2024-11-24 00:47:25,973 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-24 00:47:26,733 WARN L1675 CHandler]: Possible shadowing of function y1 [2024-11-24 00:47:26,736 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: fabs at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.expressiontranslation.IntegerTranslation.constructOtherUnaryFloatOperation(IntegerTranslation.java:629) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.standardfunctions.StandardFunctionHandler.handleUnaryFloatFunction(StandardFunctionHandler.java:3128) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.standardfunctions.StandardFunctionHandler.translateStandardFunction(StandardFunctionHandler.java:255) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1602) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:271) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1494) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:253) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.translateInitializer(CHandler.java:3184) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.handleIASTDeclarator(CHandler.java:3028) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2273) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:144) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1228) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:215) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.handleCompoundStatement(CHandler.java:1158) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1141) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:236) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.chandler.FunctionHandler.handleFunctionDefinition(FunctionHandler.java:393) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1629) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:159) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.processTUchild(CHandler.java:3507) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2500) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:641) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:135) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.translate(MainTranslator.java:189) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.run(MainTranslator.java:116) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.(MainTranslator.java:94) at de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver.finish(CACSL2BoogieTranslatorObserver.java:145) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2024-11-24 00:47:26,744 INFO L158 Benchmark]: Toolchain (without parser) took 831.78ms. Allocated memory is still 117.4MB. Free memory was 91.3MB in the beginning and 76.2MB in the end (delta: 15.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-24 00:47:26,745 INFO L158 Benchmark]: CDTParser took 0.49ms. Allocated memory is still 167.8MB. Free memory is still 104.6MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-24 00:47:26,745 INFO L158 Benchmark]: CACSL2BoogieTranslator took 826.42ms. Allocated memory is still 117.4MB. Free memory was 90.9MB in the beginning and 76.2MB in the end (delta: 14.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-24 00:47:26,750 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.49ms. Allocated memory is still 167.8MB. Free memory is still 104.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 826.42ms. Allocated memory is still 117.4MB. Free memory was 90.9MB in the beginning and 76.2MB 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: fabs de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: UnsupportedOperationException: floating point operation not supported in non-bitprecise translation: fabs: 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_1ccf7989-a5aa-48fd-bc63-4426b3ce6b9a/bin/uautomizer-verify-LYvppIcaGC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ccf7989-a5aa-48fd-bc63-4426b3ce6b9a/bin/uautomizer-verify-LYvppIcaGC/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ccf7989-a5aa-48fd-bc63-4426b3ce6b9a/bin/uautomizer-verify-LYvppIcaGC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ccf7989-a5aa-48fd-bc63-4426b3ce6b9a/bin/uautomizer-verify-LYvppIcaGC/config/AutomizerReach.xml -i ../../sv-benchmarks/c/neural-networks/sin_3_unsafe.c-amalgamation.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ccf7989-a5aa-48fd-bc63-4426b3ce6b9a/bin/uautomizer-verify-LYvppIcaGC/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ccf7989-a5aa-48fd-bc63-4426b3ce6b9a/bin/uautomizer-verify-LYvppIcaGC --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 Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash f2143318ebd3422203e70a398fa1cefded39973c0b5507e72f1f7cb4c9e6b964 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-6497de0 [2024-11-24 00:47:29,811 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-24 00:47:29,976 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ccf7989-a5aa-48fd-bc63-4426b3ce6b9a/bin/uautomizer-verify-LYvppIcaGC/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2024-11-24 00:47:29,986 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-24 00:47:29,987 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-24 00:47:30,042 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-24 00:47:30,043 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-24 00:47:30,044 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-24 00:47:30,044 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-24 00:47:30,045 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-24 00:47:30,046 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-24 00:47:30,046 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-24 00:47:30,046 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-24 00:47:30,047 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-24 00:47:30,048 INFO L153 SettingsManager]: * Use SBE=true [2024-11-24 00:47:30,048 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-24 00:47:30,049 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-24 00:47:30,049 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-24 00:47:30,049 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-24 00:47:30,050 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-24 00:47:30,050 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-24 00:47:30,050 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-24 00:47:30,050 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-24 00:47:30,050 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-24 00:47:30,050 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-24 00:47:30,050 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-24 00:47:30,051 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-24 00:47:30,051 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-24 00:47:30,051 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-24 00:47:30,051 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-24 00:47:30,051 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-24 00:47:30,051 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-24 00:47:30,051 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-24 00:47:30,052 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-24 00:47:30,052 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-24 00:47:30,052 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-24 00:47:30,052 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-24 00:47:30,052 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-24 00:47:30,052 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-24 00:47:30,052 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-24 00:47:30,052 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-24 00:47:30,052 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-24 00:47:30,052 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-11-24 00:47:30,053 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-24 00:47:30,053 INFO L153 SettingsManager]: * Trace refinement strategy=FOX [2024-11-24 00:47:30,053 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-24 00:47:30,053 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-24 00:47:30,055 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-24 00:47:30,055 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-24 00:47:30,055 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-24 00:47:30,055 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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_1ccf7989-a5aa-48fd-bc63-4426b3ce6b9a/bin/uautomizer-verify-LYvppIcaGC 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 -> Automizer 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 -> f2143318ebd3422203e70a398fa1cefded39973c0b5507e72f1f7cb4c9e6b964 [2024-11-24 00:47:30,479 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-24 00:47:30,489 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-24 00:47:30,493 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-24 00:47:30,496 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-24 00:47:30,497 INFO L274 PluginConnector]: CDTParser initialized [2024-11-24 00:47:30,500 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ccf7989-a5aa-48fd-bc63-4426b3ce6b9a/bin/uautomizer-verify-LYvppIcaGC/../../sv-benchmarks/c/neural-networks/sin_3_unsafe.c-amalgamation.i [2024-11-24 00:47:34,168 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ccf7989-a5aa-48fd-bc63-4426b3ce6b9a/bin/uautomizer-verify-LYvppIcaGC/data/6c249d59e/ef68b9c9db2d473cbedfb676213459c2/FLAG89a8f9a95 [2024-11-24 00:47:34,639 INFO L384 CDTParser]: Found 1 translation units. [2024-11-24 00:47:34,640 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ccf7989-a5aa-48fd-bc63-4426b3ce6b9a/sv-benchmarks/c/neural-networks/sin_3_unsafe.c-amalgamation.i [2024-11-24 00:47:34,667 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ccf7989-a5aa-48fd-bc63-4426b3ce6b9a/bin/uautomizer-verify-LYvppIcaGC/data/6c249d59e/ef68b9c9db2d473cbedfb676213459c2/FLAG89a8f9a95 [2024-11-24 00:47:34,697 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ccf7989-a5aa-48fd-bc63-4426b3ce6b9a/bin/uautomizer-verify-LYvppIcaGC/data/6c249d59e/ef68b9c9db2d473cbedfb676213459c2 [2024-11-24 00:47:34,700 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-24 00:47:34,702 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-24 00:47:34,704 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-24 00:47:34,705 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-24 00:47:34,711 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-24 00:47:34,712 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 12:47:34" (1/1) ... [2024-11-24 00:47:34,713 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2944e12e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:47:34, skipping insertion in model container [2024-11-24 00:47:34,716 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 12:47:34" (1/1) ... [2024-11-24 00:47:34,767 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-24 00:47:35,630 WARN L1675 CHandler]: Possible shadowing of function y1 [2024-11-24 00:47:35,637 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_1ccf7989-a5aa-48fd-bc63-4426b3ce6b9a/sv-benchmarks/c/neural-networks/sin_3_unsafe.c-amalgamation.i[63276,63289] [2024-11-24 00:47:35,645 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-24 00:47:35,663 INFO L200 MainTranslator]: Completed pre-run [2024-11-24 00:47:35,737 WARN L1675 CHandler]: Possible shadowing of function y1 [2024-11-24 00:47:35,739 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_1ccf7989-a5aa-48fd-bc63-4426b3ce6b9a/sv-benchmarks/c/neural-networks/sin_3_unsafe.c-amalgamation.i[63276,63289] [2024-11-24 00:47:35,739 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-24 00:47:35,950 INFO L204 MainTranslator]: Completed translation [2024-11-24 00:47:35,950 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:47:35 WrapperNode [2024-11-24 00:47:35,951 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-24 00:47:35,952 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-24 00:47:35,952 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-24 00:47:35,952 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-24 00:47:35,960 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:47:35" (1/1) ... [2024-11-24 00:47:35,988 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:47:35" (1/1) ... [2024-11-24 00:47:36,013 INFO L138 Inliner]: procedures = 558, calls = 13, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 36 [2024-11-24 00:47:36,013 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-24 00:47:36,014 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-24 00:47:36,014 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-24 00:47:36,014 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-24 00:47:36,025 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:47:35" (1/1) ... [2024-11-24 00:47:36,025 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:47:35" (1/1) ... [2024-11-24 00:47:36,029 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:47:35" (1/1) ... [2024-11-24 00:47:36,043 INFO L175 MemorySlicer]: Split 9 memory accesses to 2 slices as follows [2, 7]. 78 percent of accesses are in the largest equivalence class. The 9 initializations are split as follows [2, 7]. The 0 writes are split as follows [0, 0]. [2024-11-24 00:47:36,043 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:47:35" (1/1) ... [2024-11-24 00:47:36,044 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:47:35" (1/1) ... [2024-11-24 00:47:36,050 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:47:35" (1/1) ... [2024-11-24 00:47:36,051 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:47:35" (1/1) ... [2024-11-24 00:47:36,053 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:47:35" (1/1) ... [2024-11-24 00:47:36,056 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:47:35" (1/1) ... [2024-11-24 00:47:36,057 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:47:35" (1/1) ... [2024-11-24 00:47:36,060 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-24 00:47:36,061 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-24 00:47:36,061 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-24 00:47:36,061 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-24 00:47:36,063 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:47:35" (1/1) ... [2024-11-24 00:47:36,070 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-24 00:47:36,087 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ccf7989-a5aa-48fd-bc63-4426b3ce6b9a/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-24 00:47:36,105 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ccf7989-a5aa-48fd-bc63-4426b3ce6b9a/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-24 00:47:36,108 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ccf7989-a5aa-48fd-bc63-4426b3ce6b9a/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-24 00:47:36,140 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-11-24 00:47:36,140 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#1 [2024-11-24 00:47:36,140 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-24 00:47:36,140 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-24 00:47:36,140 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-24 00:47:36,267 INFO L234 CfgBuilder]: Building ICFG [2024-11-24 00:47:36,273 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-24 00:47:39,367 INFO L? ?]: Removed 10 outVars from TransFormulas that were not future-live. [2024-11-24 00:47:39,368 INFO L283 CfgBuilder]: Performing block encoding [2024-11-24 00:47:39,377 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-24 00:47:39,378 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-24 00:47:39,378 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 12:47:39 BoogieIcfgContainer [2024-11-24 00:47:39,378 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-24 00:47:39,381 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-24 00:47:39,381 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-24 00:47:39,387 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-24 00:47:39,388 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.11 12:47:34" (1/3) ... [2024-11-24 00:47:39,389 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6ab82993 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 12:47:39, skipping insertion in model container [2024-11-24 00:47:39,389 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:47:35" (2/3) ... [2024-11-24 00:47:39,389 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6ab82993 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 12:47:39, skipping insertion in model container [2024-11-24 00:47:39,390 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 12:47:39" (3/3) ... [2024-11-24 00:47:39,391 INFO L128 eAbstractionObserver]: Analyzing ICFG sin_3_unsafe.c-amalgamation.i [2024-11-24 00:47:39,408 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-24 00:47:39,410 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG sin_3_unsafe.c-amalgamation.i that has 1 procedures, 13 locations, 1 initial locations, 0 loop locations, and 1 error locations. [2024-11-24 00:47:39,475 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-24 00:47:39,495 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=PETRI_NET, 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;@2a2c25b0, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-24 00:47:39,495 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-24 00:47:39,501 INFO L276 IsEmpty]: Start isEmpty. Operand has 13 states, 11 states have (on average 1.3636363636363635) internal successors, (15), 12 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-24 00:47:39,508 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-24 00:47:39,509 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 00:47:39,510 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 00:47:39,510 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 00:47:39,518 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:47:39,518 INFO L85 PathProgramCache]: Analyzing trace with hash 119383820, now seen corresponding path program 1 times [2024-11-24 00:47:39,531 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-24 00:47:39,535 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [783091698] [2024-11-24 00:47:39,536 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:47:39,536 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 [2024-11-24 00:47:39,537 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ccf7989-a5aa-48fd-bc63-4426b3ce6b9a/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-24 00:47:39,543 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ccf7989-a5aa-48fd-bc63-4426b3ce6b9a/bin/uautomizer-verify-LYvppIcaGC/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) [2024-11-24 00:47:39,545 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ccf7989-a5aa-48fd-bc63-4426b3ce6b9a/bin/uautomizer-verify-LYvppIcaGC/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 [2024-11-24 00:47:40,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:47:40,092 INFO L256 TraceCheckSpWp]: Trace formula consists of 29 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-24 00:47:40,095 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 00:47:40,113 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-24 00:47:40,113 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-24 00:47:40,114 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-24 00:47:40,114 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [783091698] [2024-11-24 00:47:40,115 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [783091698] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 00:47:40,115 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 00:47:40,115 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-24 00:47:40,117 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [729379131] [2024-11-24 00:47:40,118 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 00:47:40,124 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-24 00:47:40,125 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-24 00:47:40,151 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-24 00:47:40,152 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-24 00:47:40,155 INFO L87 Difference]: Start difference. First operand has 13 states, 11 states have (on average 1.3636363636363635) internal successors, (15), 12 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 2 states have (on average 4.0) internal successors, (8), 2 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-24 00:47:40,166 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 00:47:40,167 INFO L93 Difference]: Finished difference Result 23 states and 26 transitions. [2024-11-24 00:47:40,168 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-24 00:47:40,169 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 4.0) internal successors, (8), 2 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 8 [2024-11-24 00:47:40,169 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 00:47:40,175 INFO L225 Difference]: With dead ends: 23 [2024-11-24 00:47:40,176 INFO L226 Difference]: Without dead ends: 9 [2024-11-24 00:47:40,179 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-24 00:47:40,186 INFO L435 NwaCegarLoop]: 12 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, 12 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 [2024-11-24 00:47:40,187 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-24 00:47:40,207 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9 states. [2024-11-24 00:47:40,217 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9 to 9. [2024-11-24 00:47:40,219 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9 states, 8 states have (on average 1.0) internal successors, (8), 8 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-24 00:47:40,225 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 8 transitions. [2024-11-24 00:47:40,227 INFO L78 Accepts]: Start accepts. Automaton has 9 states and 8 transitions. Word has length 8 [2024-11-24 00:47:40,227 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 00:47:40,228 INFO L471 AbstractCegarLoop]: Abstraction has 9 states and 8 transitions. [2024-11-24 00:47:40,228 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 4.0) internal successors, (8), 2 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-24 00:47:40,228 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 8 transitions. [2024-11-24 00:47:40,228 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-24 00:47:40,228 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 00:47:40,229 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 00:47:40,240 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ccf7989-a5aa-48fd-bc63-4426b3ce6b9a/bin/uautomizer-verify-LYvppIcaGC/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 [2024-11-24 00:47:40,431 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ccf7989-a5aa-48fd-bc63-4426b3ce6b9a/bin/uautomizer-verify-LYvppIcaGC/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 [2024-11-24 00:47:40,431 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 00:47:40,432 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:47:40,432 INFO L85 PathProgramCache]: Analyzing trace with hash 176701704, now seen corresponding path program 1 times [2024-11-24 00:47:40,433 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-24 00:47:40,433 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1513864629] [2024-11-24 00:47:40,433 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:47:40,433 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 [2024-11-24 00:47:40,434 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ccf7989-a5aa-48fd-bc63-4426b3ce6b9a/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-24 00:47:40,436 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ccf7989-a5aa-48fd-bc63-4426b3ce6b9a/bin/uautomizer-verify-LYvppIcaGC/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) [2024-11-24 00:47:40,439 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ccf7989-a5aa-48fd-bc63-4426b3ce6b9a/bin/uautomizer-verify-LYvppIcaGC/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 [2024-11-24 00:47:41,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-24 00:47:41,025 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-24 00:47:41,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-24 00:47:41,346 INFO L130 FreeRefinementEngine]: Strategy FOX found a feasible trace [2024-11-24 00:47:41,346 INFO L340 BasicCegarLoop]: Counterexample is feasible [2024-11-24 00:47:41,348 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-24 00:47:41,360 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ccf7989-a5aa-48fd-bc63-4426b3ce6b9a/bin/uautomizer-verify-LYvppIcaGC/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)] Forceful destruction successful, exit code 0 [2024-11-24 00:47:41,550 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ccf7989-a5aa-48fd-bc63-4426b3ce6b9a/bin/uautomizer-verify-LYvppIcaGC/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 [2024-11-24 00:47:41,555 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1] [2024-11-24 00:47:41,573 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-24 00:47:41,577 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 24.11 12:47:41 BoogieIcfgContainer [2024-11-24 00:47:41,577 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-24 00:47:41,578 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-24 00:47:41,578 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-24 00:47:41,579 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-24 00:47:41,579 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 12:47:39" (3/4) ... [2024-11-24 00:47:41,582 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-11-24 00:47:41,584 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-24 00:47:41,585 INFO L158 Benchmark]: Toolchain (without parser) took 6882.71ms. Allocated memory is still 117.4MB. Free memory was 89.8MB in the beginning and 40.0MB in the end (delta: 49.8MB). Peak memory consumption was 48.4MB. Max. memory is 16.1GB. [2024-11-24 00:47:41,585 INFO L158 Benchmark]: CDTParser took 0.58ms. Allocated memory is still 117.4MB. Free memory is still 81.9MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-24 00:47:41,586 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1247.11ms. Allocated memory is still 117.4MB. Free memory was 89.6MB in the beginning and 74.9MB in the end (delta: 14.7MB). Peak memory consumption was 56.8MB. Max. memory is 16.1GB. [2024-11-24 00:47:41,586 INFO L158 Benchmark]: Boogie Procedure Inliner took 61.47ms. Allocated memory is still 117.4MB. Free memory was 74.9MB in the beginning and 72.4MB in the end (delta: 2.5MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-24 00:47:41,587 INFO L158 Benchmark]: Boogie Preprocessor took 46.33ms. Allocated memory is still 117.4MB. Free memory was 72.4MB in the beginning and 70.5MB in the end (delta: 1.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-24 00:47:41,587 INFO L158 Benchmark]: RCFGBuilder took 3317.39ms. Allocated memory is still 117.4MB. Free memory was 70.5MB in the beginning and 60.5MB in the end (delta: 10.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-24 00:47:41,588 INFO L158 Benchmark]: TraceAbstraction took 2196.56ms. Allocated memory is still 117.4MB. Free memory was 60.0MB in the beginning and 40.0MB in the end (delta: 20.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-24 00:47:41,588 INFO L158 Benchmark]: Witness Printer took 5.71ms. Allocated memory is still 117.4MB. Free memory is still 40.0MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-24 00:47:41,590 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.58ms. Allocated memory is still 117.4MB. Free memory is still 81.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1247.11ms. Allocated memory is still 117.4MB. Free memory was 89.6MB in the beginning and 74.9MB in the end (delta: 14.7MB). Peak memory consumption was 56.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 61.47ms. Allocated memory is still 117.4MB. Free memory was 74.9MB in the beginning and 72.4MB in the end (delta: 2.5MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 46.33ms. Allocated memory is still 117.4MB. Free memory was 72.4MB in the beginning and 70.5MB in the end (delta: 1.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 3317.39ms. Allocated memory is still 117.4MB. Free memory was 70.5MB in the beginning and 60.5MB in the end (delta: 10.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * TraceAbstraction took 2196.56ms. Allocated memory is still 117.4MB. Free memory was 60.0MB in the beginning and 40.0MB in the end (delta: 20.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Witness Printer took 5.71ms. Allocated memory is still 117.4MB. Free memory is still 40.0MB. 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: 856]: 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 cosf at line 854, overapproximation of sinf at line 851. Possible FailurePath: [L847] float x1 = __VERIFIER_nondet_float(); [L848] COND FALSE !(!(__builtin_isgreaterequal(x1, -32.0f) && __builtin_islessequal(x1, 32.0f))) VAL [x1=0.0] [L849] float x2 = x1 + 1e-2f; VAL [x1=0.0] [L850] COND FALSE !(!(__builtin_isgreaterequal(x1, 0.0f))) [L851] float y1 = sinf(x1); [L852] float y2 = sinf(x2); [L853] float derivative = (y2 - y1) / 1e-2f; [L854] float dref = cosf(x1 / 2.0f + x2 / 2.0f); [L855] float error = fabsf(derivative - dref); VAL [error=2.0] [L856] COND TRUE !(__builtin_islessequal(error, 1e-6f)) [L856] reach_error() - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 13 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 2.1s, OverallIterations: 2, TraceHistogramMax: 1, 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, 12 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, 12 mSDtfsCounter, 0 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 7 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=13occurred 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, 1.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 16 NumberOfCodeBlocks, 16 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 7 ConstructedInterpolants, 0 QuantifiedInterpolants, 7 SizeOfPredicates, 0 NumberOfNonLiveVariables, 29 ConjunctsInSsa, 1 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 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, ConComCheckerStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-24 00:47:41,622 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ccf7989-a5aa-48fd-bc63-4426b3ce6b9a/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN: Overapproximated counterexample