./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/floats-cbmc-regression/float4.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_fca513a3-f6e6-4cad-8e40-b7d0fd62fed8/bin/uautomizer-verify-LYvppIcaGC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fca513a3-f6e6-4cad-8e40-b7d0fd62fed8/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_fca513a3-f6e6-4cad-8e40-b7d0fd62fed8/bin/uautomizer-verify-LYvppIcaGC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fca513a3-f6e6-4cad-8e40-b7d0fd62fed8/bin/uautomizer-verify-LYvppIcaGC/config/AutomizerReach.xml -i ../../sv-benchmarks/c/floats-cbmc-regression/float4.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fca513a3-f6e6-4cad-8e40-b7d0fd62fed8/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_fca513a3-f6e6-4cad-8e40-b7d0fd62fed8/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 d6042de655aca662c674d7f5f3de93740a7aac2c80361af1a3f55c9b3dd14e6f --- Real Ultimate output --- This is Ultimate 0.3.0-dev-6497de0 [2024-11-23 23:51:37,350 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-23 23:51:37,437 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fca513a3-f6e6-4cad-8e40-b7d0fd62fed8/bin/uautomizer-verify-LYvppIcaGC/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-23 23:51:37,442 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-23 23:51:37,442 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-23 23:51:37,466 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-23 23:51:37,467 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-23 23:51:37,467 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-23 23:51:37,467 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-23 23:51:37,467 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-23 23:51:37,468 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-23 23:51:37,468 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-23 23:51:37,468 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-23 23:51:37,468 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-23 23:51:37,468 INFO L153 SettingsManager]: * Use SBE=true [2024-11-23 23:51:37,469 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-23 23:51:37,469 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-23 23:51:37,469 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-23 23:51:37,469 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-23 23:51:37,469 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-23 23:51:37,469 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-23 23:51:37,469 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-23 23:51:37,470 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-23 23:51:37,470 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-23 23:51:37,470 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-23 23:51:37,470 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-23 23:51:37,470 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-23 23:51:37,470 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-23 23:51:37,470 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-23 23:51:37,470 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-23 23:51:37,471 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-23 23:51:37,471 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-23 23:51:37,471 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-23 23:51:37,471 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-23 23:51:37,471 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-23 23:51:37,471 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-23 23:51:37,471 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-23 23:51:37,471 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-23 23:51:37,471 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-23 23:51:37,471 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-23 23:51:37,471 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-11-23 23:51:37,472 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-23 23:51:37,472 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-23 23:51:37,472 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-23 23:51:37,472 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-23 23:51:37,472 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-23 23:51:37,472 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-23 23:51:37,472 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-23 23:51:37,472 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_fca513a3-f6e6-4cad-8e40-b7d0fd62fed8/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 -> d6042de655aca662c674d7f5f3de93740a7aac2c80361af1a3f55c9b3dd14e6f [2024-11-23 23:51:37,772 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-23 23:51:37,780 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-23 23:51:37,782 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-23 23:51:37,784 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-23 23:51:37,784 INFO L274 PluginConnector]: CDTParser initialized [2024-11-23 23:51:37,785 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fca513a3-f6e6-4cad-8e40-b7d0fd62fed8/bin/uautomizer-verify-LYvppIcaGC/../../sv-benchmarks/c/floats-cbmc-regression/float4.i [2024-11-23 23:51:40,807 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fca513a3-f6e6-4cad-8e40-b7d0fd62fed8/bin/uautomizer-verify-LYvppIcaGC/data/879cbbb1c/48d5c4410ecb4cc5b0e26207adba098c/FLAGdc3c2ef75 [2024-11-23 23:51:41,272 INFO L384 CDTParser]: Found 1 translation units. [2024-11-23 23:51:41,275 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fca513a3-f6e6-4cad-8e40-b7d0fd62fed8/sv-benchmarks/c/floats-cbmc-regression/float4.i [2024-11-23 23:51:41,295 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fca513a3-f6e6-4cad-8e40-b7d0fd62fed8/bin/uautomizer-verify-LYvppIcaGC/data/879cbbb1c/48d5c4410ecb4cc5b0e26207adba098c/FLAGdc3c2ef75 [2024-11-23 23:51:41,318 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fca513a3-f6e6-4cad-8e40-b7d0fd62fed8/bin/uautomizer-verify-LYvppIcaGC/data/879cbbb1c/48d5c4410ecb4cc5b0e26207adba098c [2024-11-23 23:51:41,320 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-23 23:51:41,322 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-23 23:51:41,324 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-23 23:51:41,325 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-23 23:51:41,330 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-23 23:51:41,330 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 11:51:41" (1/1) ... [2024-11-23 23:51:41,331 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@77469ac2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:51:41, skipping insertion in model container [2024-11-23 23:51:41,333 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 11:51:41" (1/1) ... [2024-11-23 23:51:41,390 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-23 23:51:41,954 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.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:1211) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:280) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2556) 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:2556) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:307) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.result.ExpressionResultTransformer.transformDispatchDecaySwitchRexBoolToInt(ExpressionResultTransformer.java:180) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.chandler.FunctionHandler.handleFunctionCallGivenNameAndArguments(FunctionHandler.java:667) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.chandler.FunctionHandler.handleFunctionCallExpression(FunctionHandler.java:542) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1607) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:271) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1507) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:224) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.handleCompoundStatement(CHandler.java:1158) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1141) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:236) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.chandler.FunctionHandler.handleFunctionDefinition(FunctionHandler.java:393) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1629) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:159) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.processTUchild(CHandler.java:3507) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2500) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:641) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:135) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.translate(MainTranslator.java:189) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.run(MainTranslator.java:116) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.(MainTranslator.java:94) at de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver.finish(CACSL2BoogieTranslatorObserver.java:145) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2024-11-23 23:51:41,967 INFO L158 Benchmark]: Toolchain (without parser) took 644.41ms. Allocated memory is still 142.6MB. Free memory was 117.9MB in the beginning and 104.7MB in the end (delta: 13.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-23 23:51:41,969 INFO L158 Benchmark]: CDTParser took 0.36ms. Allocated memory is still 142.6MB. Free memory is still 79.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-23 23:51:41,969 INFO L158 Benchmark]: CACSL2BoogieTranslator took 641.01ms. Allocated memory is still 142.6MB. Free memory was 117.9MB in the beginning and 104.7MB in the end (delta: 13.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-23 23:51:41,970 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.36ms. Allocated memory is still 142.6MB. Free memory is still 79.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 641.01ms. Allocated memory is still 142.6MB. Free memory was 117.9MB in the beginning and 104.7MB in the end (delta: 13.2MB). 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_fca513a3-f6e6-4cad-8e40-b7d0fd62fed8/bin/uautomizer-verify-LYvppIcaGC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fca513a3-f6e6-4cad-8e40-b7d0fd62fed8/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_fca513a3-f6e6-4cad-8e40-b7d0fd62fed8/bin/uautomizer-verify-LYvppIcaGC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fca513a3-f6e6-4cad-8e40-b7d0fd62fed8/bin/uautomizer-verify-LYvppIcaGC/config/AutomizerReach.xml -i ../../sv-benchmarks/c/floats-cbmc-regression/float4.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fca513a3-f6e6-4cad-8e40-b7d0fd62fed8/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_fca513a3-f6e6-4cad-8e40-b7d0fd62fed8/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 d6042de655aca662c674d7f5f3de93740a7aac2c80361af1a3f55c9b3dd14e6f --- Real Ultimate output --- This is Ultimate 0.3.0-dev-6497de0 [2024-11-23 23:51:44,423 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-23 23:51:44,560 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fca513a3-f6e6-4cad-8e40-b7d0fd62fed8/bin/uautomizer-verify-LYvppIcaGC/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2024-11-23 23:51:44,567 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-23 23:51:44,568 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-23 23:51:44,626 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-23 23:51:44,627 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-23 23:51:44,627 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-23 23:51:44,627 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-23 23:51:44,628 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-23 23:51:44,628 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-23 23:51:44,630 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-23 23:51:44,630 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-23 23:51:44,631 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-23 23:51:44,631 INFO L153 SettingsManager]: * Use SBE=true [2024-11-23 23:51:44,631 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-23 23:51:44,631 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-23 23:51:44,631 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-23 23:51:44,632 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-23 23:51:44,632 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-23 23:51:44,632 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-23 23:51:44,632 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-23 23:51:44,632 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-23 23:51:44,632 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-23 23:51:44,632 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-23 23:51:44,632 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-23 23:51:44,632 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-23 23:51:44,632 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-23 23:51:44,632 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-23 23:51:44,633 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-23 23:51:44,633 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-23 23:51:44,633 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-23 23:51:44,633 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-23 23:51:44,633 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-23 23:51:44,633 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-23 23:51:44,633 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-23 23:51:44,633 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-23 23:51:44,633 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-23 23:51:44,633 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-23 23:51:44,634 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-23 23:51:44,635 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-23 23:51:44,643 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-23 23:51:44,643 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-11-23 23:51:44,643 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-23 23:51:44,643 INFO L153 SettingsManager]: * Trace refinement strategy=FOX [2024-11-23 23:51:44,643 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-23 23:51:44,644 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-23 23:51:44,644 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-23 23:51:44,644 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-23 23:51:44,644 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-23 23:51:44,644 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_fca513a3-f6e6-4cad-8e40-b7d0fd62fed8/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 -> d6042de655aca662c674d7f5f3de93740a7aac2c80361af1a3f55c9b3dd14e6f [2024-11-23 23:51:44,961 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-23 23:51:44,975 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-23 23:51:44,978 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-23 23:51:44,981 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-23 23:51:44,981 INFO L274 PluginConnector]: CDTParser initialized [2024-11-23 23:51:44,983 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fca513a3-f6e6-4cad-8e40-b7d0fd62fed8/bin/uautomizer-verify-LYvppIcaGC/../../sv-benchmarks/c/floats-cbmc-regression/float4.i [2024-11-23 23:51:47,978 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fca513a3-f6e6-4cad-8e40-b7d0fd62fed8/bin/uautomizer-verify-LYvppIcaGC/data/f85f04dad/45377cded1fa4dd19bae594fec6074c5/FLAG1f836c3de [2024-11-23 23:51:48,346 INFO L384 CDTParser]: Found 1 translation units. [2024-11-23 23:51:48,350 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fca513a3-f6e6-4cad-8e40-b7d0fd62fed8/sv-benchmarks/c/floats-cbmc-regression/float4.i [2024-11-23 23:51:48,370 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fca513a3-f6e6-4cad-8e40-b7d0fd62fed8/bin/uautomizer-verify-LYvppIcaGC/data/f85f04dad/45377cded1fa4dd19bae594fec6074c5/FLAG1f836c3de [2024-11-23 23:51:48,389 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fca513a3-f6e6-4cad-8e40-b7d0fd62fed8/bin/uautomizer-verify-LYvppIcaGC/data/f85f04dad/45377cded1fa4dd19bae594fec6074c5 [2024-11-23 23:51:48,392 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-23 23:51:48,393 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-23 23:51:48,395 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-23 23:51:48,395 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-23 23:51:48,400 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-23 23:51:48,401 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 11:51:48" (1/1) ... [2024-11-23 23:51:48,402 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@756bfb1a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:51:48, skipping insertion in model container [2024-11-23 23:51:48,402 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 11:51:48" (1/1) ... [2024-11-23 23:51:48,437 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-23 23:51:48,912 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_fca513a3-f6e6-4cad-8e40-b7d0fd62fed8/sv-benchmarks/c/floats-cbmc-regression/float4.i[41128,41141] [2024-11-23 23:51:48,915 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_fca513a3-f6e6-4cad-8e40-b7d0fd62fed8/sv-benchmarks/c/floats-cbmc-regression/float4.i[41169,41182] [2024-11-23 23:51:48,916 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_fca513a3-f6e6-4cad-8e40-b7d0fd62fed8/sv-benchmarks/c/floats-cbmc-regression/float4.i[41210,41223] [2024-11-23 23:51:48,917 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_fca513a3-f6e6-4cad-8e40-b7d0fd62fed8/sv-benchmarks/c/floats-cbmc-regression/float4.i[41259,41272] [2024-11-23 23:51:48,918 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_fca513a3-f6e6-4cad-8e40-b7d0fd62fed8/sv-benchmarks/c/floats-cbmc-regression/float4.i[41306,41319] [2024-11-23 23:51:48,919 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_fca513a3-f6e6-4cad-8e40-b7d0fd62fed8/sv-benchmarks/c/floats-cbmc-regression/float4.i[41355,41368] [2024-11-23 23:51:48,919 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_fca513a3-f6e6-4cad-8e40-b7d0fd62fed8/sv-benchmarks/c/floats-cbmc-regression/float4.i[41397,41410] [2024-11-23 23:51:48,923 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_fca513a3-f6e6-4cad-8e40-b7d0fd62fed8/sv-benchmarks/c/floats-cbmc-regression/float4.i[41438,41451] [2024-11-23 23:51:48,923 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_fca513a3-f6e6-4cad-8e40-b7d0fd62fed8/sv-benchmarks/c/floats-cbmc-regression/float4.i[41486,41499] [2024-11-23 23:51:48,924 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_fca513a3-f6e6-4cad-8e40-b7d0fd62fed8/sv-benchmarks/c/floats-cbmc-regression/float4.i[41534,41547] [2024-11-23 23:51:48,925 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_fca513a3-f6e6-4cad-8e40-b7d0fd62fed8/sv-benchmarks/c/floats-cbmc-regression/float4.i[41585,41598] [2024-11-23 23:51:48,925 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_fca513a3-f6e6-4cad-8e40-b7d0fd62fed8/sv-benchmarks/c/floats-cbmc-regression/float4.i[41631,41644] [2024-11-23 23:51:48,928 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_fca513a3-f6e6-4cad-8e40-b7d0fd62fed8/sv-benchmarks/c/floats-cbmc-regression/float4.i[41674,41687] [2024-11-23 23:51:48,929 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_fca513a3-f6e6-4cad-8e40-b7d0fd62fed8/sv-benchmarks/c/floats-cbmc-regression/float4.i[41725,41738] [2024-11-23 23:51:48,930 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_fca513a3-f6e6-4cad-8e40-b7d0fd62fed8/sv-benchmarks/c/floats-cbmc-regression/float4.i[41766,41779] [2024-11-23 23:51:48,930 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_fca513a3-f6e6-4cad-8e40-b7d0fd62fed8/sv-benchmarks/c/floats-cbmc-regression/float4.i[41807,41820] [2024-11-23 23:51:48,931 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_fca513a3-f6e6-4cad-8e40-b7d0fd62fed8/sv-benchmarks/c/floats-cbmc-regression/float4.i[41853,41866] [2024-11-23 23:51:48,931 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_fca513a3-f6e6-4cad-8e40-b7d0fd62fed8/sv-benchmarks/c/floats-cbmc-regression/float4.i[41894,41907] [2024-11-23 23:51:48,932 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_fca513a3-f6e6-4cad-8e40-b7d0fd62fed8/sv-benchmarks/c/floats-cbmc-regression/float4.i[41935,41948] [2024-11-23 23:51:48,933 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_fca513a3-f6e6-4cad-8e40-b7d0fd62fed8/sv-benchmarks/c/floats-cbmc-regression/float4.i[41982,41995] [2024-11-23 23:51:48,933 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_fca513a3-f6e6-4cad-8e40-b7d0fd62fed8/sv-benchmarks/c/floats-cbmc-regression/float4.i[42033,42046] [2024-11-23 23:51:48,934 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_fca513a3-f6e6-4cad-8e40-b7d0fd62fed8/sv-benchmarks/c/floats-cbmc-regression/float4.i[42084,42097] [2024-11-23 23:51:48,934 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_fca513a3-f6e6-4cad-8e40-b7d0fd62fed8/sv-benchmarks/c/floats-cbmc-regression/float4.i[42132,42145] [2024-11-23 23:51:48,935 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_fca513a3-f6e6-4cad-8e40-b7d0fd62fed8/sv-benchmarks/c/floats-cbmc-regression/float4.i[42181,42194] [2024-11-23 23:51:48,935 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_fca513a3-f6e6-4cad-8e40-b7d0fd62fed8/sv-benchmarks/c/floats-cbmc-regression/float4.i[42224,42237] [2024-11-23 23:51:48,936 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_fca513a3-f6e6-4cad-8e40-b7d0fd62fed8/sv-benchmarks/c/floats-cbmc-regression/float4.i[42267,42280] [2024-11-23 23:51:48,936 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_fca513a3-f6e6-4cad-8e40-b7d0fd62fed8/sv-benchmarks/c/floats-cbmc-regression/float4.i[42331,42344] [2024-11-23 23:51:48,937 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_fca513a3-f6e6-4cad-8e40-b7d0fd62fed8/sv-benchmarks/c/floats-cbmc-regression/float4.i[42394,42407] [2024-11-23 23:51:48,937 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_fca513a3-f6e6-4cad-8e40-b7d0fd62fed8/sv-benchmarks/c/floats-cbmc-regression/float4.i[42434,42447] [2024-11-23 23:51:48,938 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_fca513a3-f6e6-4cad-8e40-b7d0fd62fed8/sv-benchmarks/c/floats-cbmc-regression/float4.i[42473,42486] [2024-11-23 23:51:48,938 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_fca513a3-f6e6-4cad-8e40-b7d0fd62fed8/sv-benchmarks/c/floats-cbmc-regression/float4.i[42519,42532] [2024-11-23 23:51:48,939 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_fca513a3-f6e6-4cad-8e40-b7d0fd62fed8/sv-benchmarks/c/floats-cbmc-regression/float4.i[42566,42579] [2024-11-23 23:51:48,943 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_fca513a3-f6e6-4cad-8e40-b7d0fd62fed8/sv-benchmarks/c/floats-cbmc-regression/float4.i[42614,42627] [2024-11-23 23:51:48,944 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_fca513a3-f6e6-4cad-8e40-b7d0fd62fed8/sv-benchmarks/c/floats-cbmc-regression/float4.i[42665,42678] [2024-11-23 23:51:48,945 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_fca513a3-f6e6-4cad-8e40-b7d0fd62fed8/sv-benchmarks/c/floats-cbmc-regression/float4.i[42709,42722] [2024-11-23 23:51:48,945 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_fca513a3-f6e6-4cad-8e40-b7d0fd62fed8/sv-benchmarks/c/floats-cbmc-regression/float4.i[42752,42765] [2024-11-23 23:51:48,945 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_fca513a3-f6e6-4cad-8e40-b7d0fd62fed8/sv-benchmarks/c/floats-cbmc-regression/float4.i[42797,42810] [2024-11-23 23:51:48,946 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_fca513a3-f6e6-4cad-8e40-b7d0fd62fed8/sv-benchmarks/c/floats-cbmc-regression/float4.i[42839,42852] [2024-11-23 23:51:48,946 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_fca513a3-f6e6-4cad-8e40-b7d0fd62fed8/sv-benchmarks/c/floats-cbmc-regression/float4.i[42882,42895] [2024-11-23 23:51:48,947 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_fca513a3-f6e6-4cad-8e40-b7d0fd62fed8/sv-benchmarks/c/floats-cbmc-regression/float4.i[42927,42940] [2024-11-23 23:51:48,947 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_fca513a3-f6e6-4cad-8e40-b7d0fd62fed8/sv-benchmarks/c/floats-cbmc-regression/float4.i[42973,42986] [2024-11-23 23:51:48,948 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_fca513a3-f6e6-4cad-8e40-b7d0fd62fed8/sv-benchmarks/c/floats-cbmc-regression/float4.i[43018,43031] [2024-11-23 23:51:48,948 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_fca513a3-f6e6-4cad-8e40-b7d0fd62fed8/sv-benchmarks/c/floats-cbmc-regression/float4.i[43061,43074] [2024-11-23 23:51:48,949 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-23 23:51:48,964 INFO L200 MainTranslator]: Completed pre-run [2024-11-23 23:51:49,000 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_fca513a3-f6e6-4cad-8e40-b7d0fd62fed8/sv-benchmarks/c/floats-cbmc-regression/float4.i[41128,41141] [2024-11-23 23:51:49,001 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_fca513a3-f6e6-4cad-8e40-b7d0fd62fed8/sv-benchmarks/c/floats-cbmc-regression/float4.i[41169,41182] [2024-11-23 23:51:49,001 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_fca513a3-f6e6-4cad-8e40-b7d0fd62fed8/sv-benchmarks/c/floats-cbmc-regression/float4.i[41210,41223] [2024-11-23 23:51:49,002 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_fca513a3-f6e6-4cad-8e40-b7d0fd62fed8/sv-benchmarks/c/floats-cbmc-regression/float4.i[41259,41272] [2024-11-23 23:51:49,002 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_fca513a3-f6e6-4cad-8e40-b7d0fd62fed8/sv-benchmarks/c/floats-cbmc-regression/float4.i[41306,41319] [2024-11-23 23:51:49,003 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_fca513a3-f6e6-4cad-8e40-b7d0fd62fed8/sv-benchmarks/c/floats-cbmc-regression/float4.i[41355,41368] [2024-11-23 23:51:49,003 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_fca513a3-f6e6-4cad-8e40-b7d0fd62fed8/sv-benchmarks/c/floats-cbmc-regression/float4.i[41397,41410] [2024-11-23 23:51:49,004 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_fca513a3-f6e6-4cad-8e40-b7d0fd62fed8/sv-benchmarks/c/floats-cbmc-regression/float4.i[41438,41451] [2024-11-23 23:51:49,004 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_fca513a3-f6e6-4cad-8e40-b7d0fd62fed8/sv-benchmarks/c/floats-cbmc-regression/float4.i[41486,41499] [2024-11-23 23:51:49,005 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_fca513a3-f6e6-4cad-8e40-b7d0fd62fed8/sv-benchmarks/c/floats-cbmc-regression/float4.i[41534,41547] [2024-11-23 23:51:49,005 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_fca513a3-f6e6-4cad-8e40-b7d0fd62fed8/sv-benchmarks/c/floats-cbmc-regression/float4.i[41585,41598] [2024-11-23 23:51:49,005 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_fca513a3-f6e6-4cad-8e40-b7d0fd62fed8/sv-benchmarks/c/floats-cbmc-regression/float4.i[41631,41644] [2024-11-23 23:51:49,006 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_fca513a3-f6e6-4cad-8e40-b7d0fd62fed8/sv-benchmarks/c/floats-cbmc-regression/float4.i[41674,41687] [2024-11-23 23:51:49,007 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_fca513a3-f6e6-4cad-8e40-b7d0fd62fed8/sv-benchmarks/c/floats-cbmc-regression/float4.i[41725,41738] [2024-11-23 23:51:49,007 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_fca513a3-f6e6-4cad-8e40-b7d0fd62fed8/sv-benchmarks/c/floats-cbmc-regression/float4.i[41766,41779] [2024-11-23 23:51:49,008 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_fca513a3-f6e6-4cad-8e40-b7d0fd62fed8/sv-benchmarks/c/floats-cbmc-regression/float4.i[41807,41820] [2024-11-23 23:51:49,008 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_fca513a3-f6e6-4cad-8e40-b7d0fd62fed8/sv-benchmarks/c/floats-cbmc-regression/float4.i[41853,41866] [2024-11-23 23:51:49,009 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_fca513a3-f6e6-4cad-8e40-b7d0fd62fed8/sv-benchmarks/c/floats-cbmc-regression/float4.i[41894,41907] [2024-11-23 23:51:49,009 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_fca513a3-f6e6-4cad-8e40-b7d0fd62fed8/sv-benchmarks/c/floats-cbmc-regression/float4.i[41935,41948] [2024-11-23 23:51:49,010 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_fca513a3-f6e6-4cad-8e40-b7d0fd62fed8/sv-benchmarks/c/floats-cbmc-regression/float4.i[41982,41995] [2024-11-23 23:51:49,010 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_fca513a3-f6e6-4cad-8e40-b7d0fd62fed8/sv-benchmarks/c/floats-cbmc-regression/float4.i[42033,42046] [2024-11-23 23:51:49,011 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_fca513a3-f6e6-4cad-8e40-b7d0fd62fed8/sv-benchmarks/c/floats-cbmc-regression/float4.i[42084,42097] [2024-11-23 23:51:49,011 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_fca513a3-f6e6-4cad-8e40-b7d0fd62fed8/sv-benchmarks/c/floats-cbmc-regression/float4.i[42132,42145] [2024-11-23 23:51:49,012 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_fca513a3-f6e6-4cad-8e40-b7d0fd62fed8/sv-benchmarks/c/floats-cbmc-regression/float4.i[42181,42194] [2024-11-23 23:51:49,012 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_fca513a3-f6e6-4cad-8e40-b7d0fd62fed8/sv-benchmarks/c/floats-cbmc-regression/float4.i[42224,42237] [2024-11-23 23:51:49,013 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_fca513a3-f6e6-4cad-8e40-b7d0fd62fed8/sv-benchmarks/c/floats-cbmc-regression/float4.i[42267,42280] [2024-11-23 23:51:49,013 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_fca513a3-f6e6-4cad-8e40-b7d0fd62fed8/sv-benchmarks/c/floats-cbmc-regression/float4.i[42331,42344] [2024-11-23 23:51:49,014 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_fca513a3-f6e6-4cad-8e40-b7d0fd62fed8/sv-benchmarks/c/floats-cbmc-regression/float4.i[42394,42407] [2024-11-23 23:51:49,014 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_fca513a3-f6e6-4cad-8e40-b7d0fd62fed8/sv-benchmarks/c/floats-cbmc-regression/float4.i[42434,42447] [2024-11-23 23:51:49,014 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_fca513a3-f6e6-4cad-8e40-b7d0fd62fed8/sv-benchmarks/c/floats-cbmc-regression/float4.i[42473,42486] [2024-11-23 23:51:49,015 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_fca513a3-f6e6-4cad-8e40-b7d0fd62fed8/sv-benchmarks/c/floats-cbmc-regression/float4.i[42519,42532] [2024-11-23 23:51:49,015 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_fca513a3-f6e6-4cad-8e40-b7d0fd62fed8/sv-benchmarks/c/floats-cbmc-regression/float4.i[42566,42579] [2024-11-23 23:51:49,016 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_fca513a3-f6e6-4cad-8e40-b7d0fd62fed8/sv-benchmarks/c/floats-cbmc-regression/float4.i[42614,42627] [2024-11-23 23:51:49,016 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_fca513a3-f6e6-4cad-8e40-b7d0fd62fed8/sv-benchmarks/c/floats-cbmc-regression/float4.i[42665,42678] [2024-11-23 23:51:49,017 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_fca513a3-f6e6-4cad-8e40-b7d0fd62fed8/sv-benchmarks/c/floats-cbmc-regression/float4.i[42709,42722] [2024-11-23 23:51:49,017 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_fca513a3-f6e6-4cad-8e40-b7d0fd62fed8/sv-benchmarks/c/floats-cbmc-regression/float4.i[42752,42765] [2024-11-23 23:51:49,018 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_fca513a3-f6e6-4cad-8e40-b7d0fd62fed8/sv-benchmarks/c/floats-cbmc-regression/float4.i[42797,42810] [2024-11-23 23:51:49,018 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_fca513a3-f6e6-4cad-8e40-b7d0fd62fed8/sv-benchmarks/c/floats-cbmc-regression/float4.i[42839,42852] [2024-11-23 23:51:49,018 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_fca513a3-f6e6-4cad-8e40-b7d0fd62fed8/sv-benchmarks/c/floats-cbmc-regression/float4.i[42882,42895] [2024-11-23 23:51:49,019 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_fca513a3-f6e6-4cad-8e40-b7d0fd62fed8/sv-benchmarks/c/floats-cbmc-regression/float4.i[42927,42940] [2024-11-23 23:51:49,019 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_fca513a3-f6e6-4cad-8e40-b7d0fd62fed8/sv-benchmarks/c/floats-cbmc-regression/float4.i[42973,42986] [2024-11-23 23:51:49,020 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_fca513a3-f6e6-4cad-8e40-b7d0fd62fed8/sv-benchmarks/c/floats-cbmc-regression/float4.i[43018,43031] [2024-11-23 23:51:49,020 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_fca513a3-f6e6-4cad-8e40-b7d0fd62fed8/sv-benchmarks/c/floats-cbmc-regression/float4.i[43061,43074] [2024-11-23 23:51:49,021 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-23 23:51:49,133 INFO L204 MainTranslator]: Completed translation [2024-11-23 23:51:49,134 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:51:49 WrapperNode [2024-11-23 23:51:49,134 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-23 23:51:49,135 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-23 23:51:49,135 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-23 23:51:49,135 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-23 23:51:49,142 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:51:49" (1/1) ... [2024-11-23 23:51:49,176 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:51:49" (1/1) ... [2024-11-23 23:51:49,221 INFO L138 Inliner]: procedures = 449, calls = 8, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 146 [2024-11-23 23:51:49,221 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-23 23:51:49,222 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-23 23:51:49,222 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-23 23:51:49,222 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-23 23:51:49,231 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:51:49" (1/1) ... [2024-11-23 23:51:49,232 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:51:49" (1/1) ... [2024-11-23 23:51:49,239 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:51:49" (1/1) ... [2024-11-23 23:51:49,260 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-11-23 23:51:49,260 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:51:49" (1/1) ... [2024-11-23 23:51:49,261 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:51:49" (1/1) ... [2024-11-23 23:51:49,276 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:51:49" (1/1) ... [2024-11-23 23:51:49,277 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:51:49" (1/1) ... [2024-11-23 23:51:49,287 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:51:49" (1/1) ... [2024-11-23 23:51:49,289 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:51:49" (1/1) ... [2024-11-23 23:51:49,290 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:51:49" (1/1) ... [2024-11-23 23:51:49,297 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-23 23:51:49,298 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-23 23:51:49,298 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-23 23:51:49,298 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-23 23:51:49,303 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:51:49" (1/1) ... [2024-11-23 23:51:49,312 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-23 23:51:49,327 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fca513a3-f6e6-4cad-8e40-b7d0fd62fed8/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-23 23:51:49,340 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fca513a3-f6e6-4cad-8e40-b7d0fd62fed8/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-23 23:51:49,348 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fca513a3-f6e6-4cad-8e40-b7d0fd62fed8/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-23 23:51:49,371 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-11-23 23:51:49,371 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-23 23:51:49,371 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-23 23:51:49,371 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-23 23:51:49,371 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-23 23:51:49,372 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-23 23:51:49,483 INFO L234 CfgBuilder]: Building ICFG [2024-11-23 23:51:49,485 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-23 23:51:52,023 INFO L? ?]: Removed 6 outVars from TransFormulas that were not future-live. [2024-11-23 23:51:52,023 INFO L283 CfgBuilder]: Performing block encoding [2024-11-23 23:51:52,036 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-23 23:51:52,036 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-23 23:51:52,037 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 11:51:52 BoogieIcfgContainer [2024-11-23 23:51:52,037 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-23 23:51:52,039 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-23 23:51:52,039 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-23 23:51:52,045 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-23 23:51:52,045 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 11:51:48" (1/3) ... [2024-11-23 23:51:52,046 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1da092a1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 11:51:52, skipping insertion in model container [2024-11-23 23:51:52,046 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:51:49" (2/3) ... [2024-11-23 23:51:52,046 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1da092a1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 11:51:52, skipping insertion in model container [2024-11-23 23:51:52,046 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 11:51:52" (3/3) ... [2024-11-23 23:51:52,047 INFO L128 eAbstractionObserver]: Analyzing ICFG float4.i [2024-11-23 23:51:52,063 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-23 23:51:52,065 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG float4.i that has 2 procedures, 141 locations, 1 initial locations, 0 loop locations, and 43 error locations. [2024-11-23 23:51:52,123 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-23 23:51:52,141 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;@2e7e0ee, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-23 23:51:52,142 INFO L334 AbstractCegarLoop]: Starting to check reachability of 43 error locations. [2024-11-23 23:51:52,147 INFO L276 IsEmpty]: Start isEmpty. Operand has 141 states, 94 states have (on average 1.925531914893617) internal successors, (181), 137 states have internal predecessors, (181), 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) [2024-11-23 23:51:52,154 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-11-23 23:51:52,154 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 23:51:52,155 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 23:51:52,156 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 40 more)] === [2024-11-23 23:51:52,161 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:51:52,162 INFO L85 PathProgramCache]: Analyzing trace with hash -710974657, now seen corresponding path program 1 times [2024-11-23 23:51:52,173 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-23 23:51:52,174 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [949304285] [2024-11-23 23:51:52,174 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:51:52,176 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 [2024-11-23 23:51:52,177 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fca513a3-f6e6-4cad-8e40-b7d0fd62fed8/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-23 23:51:52,179 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fca513a3-f6e6-4cad-8e40-b7d0fd62fed8/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) [2024-11-23 23:51:52,183 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fca513a3-f6e6-4cad-8e40-b7d0fd62fed8/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 [2024-11-23 23:51:52,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:51:52,254 INFO L256 TraceCheckSpWp]: Trace formula consists of 29 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-23 23:51:52,258 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 23:51:52,283 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-23 23:51:52,283 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-23 23:51:52,284 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-23 23:51:52,284 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [949304285] [2024-11-23 23:51:52,285 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [949304285] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 23:51:52,285 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 23:51:52,285 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-23 23:51:52,287 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [910245408] [2024-11-23 23:51:52,287 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 23:51:52,291 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-23 23:51:52,291 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-23 23:51:52,314 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-23 23:51:52,314 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-23 23:51:52,317 INFO L87 Difference]: Start difference. First operand has 141 states, 94 states have (on average 1.925531914893617) internal successors, (181), 137 states have internal predecessors, (181), 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 4.0) internal successors, (8), 2 states have internal predecessors, (8), 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) [2024-11-23 23:51:52,348 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 23:51:52,350 INFO L93 Difference]: Finished difference Result 219 states and 308 transitions. [2024-11-23 23:51:52,351 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-23 23:51:52,352 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), 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 15 [2024-11-23 23:51:52,353 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 23:51:52,362 INFO L225 Difference]: With dead ends: 219 [2024-11-23 23:51:52,362 INFO L226 Difference]: Without dead ends: 61 [2024-11-23 23:51:52,366 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-23 23:51:52,370 INFO L435 NwaCegarLoop]: 81 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, 81 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 [2024-11-23 23:51:52,371 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 81 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-23 23:51:52,387 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 61 states. [2024-11-23 23:51:52,407 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 61 to 61. [2024-11-23 23:51:52,409 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 61 states, 45 states have (on average 1.2666666666666666) internal successors, (57), 57 states have internal predecessors, (57), 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) [2024-11-23 23:51:52,413 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 61 states and 61 transitions. [2024-11-23 23:51:52,417 INFO L78 Accepts]: Start accepts. Automaton has 61 states and 61 transitions. Word has length 15 [2024-11-23 23:51:52,417 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 23:51:52,418 INFO L471 AbstractCegarLoop]: Abstraction has 61 states and 61 transitions. [2024-11-23 23:51:52,418 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), 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) [2024-11-23 23:51:52,419 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 61 transitions. [2024-11-23 23:51:52,420 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2024-11-23 23:51:52,420 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 23:51:52,420 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 23:51:52,424 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fca513a3-f6e6-4cad-8e40-b7d0fd62fed8/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 [2024-11-23 23:51:52,621 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fca513a3-f6e6-4cad-8e40-b7d0fd62fed8/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 [2024-11-23 23:51:52,622 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 40 more)] === [2024-11-23 23:51:52,622 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:51:52,622 INFO L85 PathProgramCache]: Analyzing trace with hash 1467798991, now seen corresponding path program 1 times [2024-11-23 23:51:52,623 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-23 23:51:52,623 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1693519196] [2024-11-23 23:51:52,623 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:51:52,623 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 [2024-11-23 23:51:52,623 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fca513a3-f6e6-4cad-8e40-b7d0fd62fed8/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-23 23:51:52,627 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fca513a3-f6e6-4cad-8e40-b7d0fd62fed8/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) [2024-11-23 23:51:52,628 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fca513a3-f6e6-4cad-8e40-b7d0fd62fed8/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 [2024-11-23 23:51:53,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:51:53,210 INFO L256 TraceCheckSpWp]: Trace formula consists of 30 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-23 23:51:53,212 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 23:51:53,651 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-23 23:51:53,652 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-23 23:51:53,652 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-23 23:51:53,652 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1693519196] [2024-11-23 23:51:53,652 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1693519196] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 23:51:53,652 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 23:51:53,652 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-23 23:51:53,653 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [957633274] [2024-11-23 23:51:53,653 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 23:51:53,654 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-23 23:51:53,654 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-23 23:51:53,655 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-23 23:51:53,656 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2024-11-23 23:51:53,656 INFO L87 Difference]: Start difference. First operand 61 states and 61 transitions. Second operand has 8 states, 7 states have (on average 1.2857142857142858) internal successors, (9), 5 states have internal predecessors, (9), 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) [2024-11-23 23:51:58,112 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-23 23:52:02,117 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-23 23:52:06,121 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-23 23:52:10,123 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-23 23:52:14,125 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-23 23:52:18,287 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-23 23:52:22,288 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-23 23:52:26,290 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-23 23:52:30,294 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-23 23:52:34,298 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-23 23:52:38,470 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-23 23:52:42,471 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-23 23:52:46,473 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-23 23:52:50,476 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-23 23:52:54,477 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-23 23:52:58,659 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.04s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-23 23:53:02,662 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-23 23:53:06,666 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-23 23:53:10,671 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-23 23:53:14,677 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-23 23:53:18,678 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-23 23:53:18,679 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 23:53:18,679 INFO L93 Difference]: Finished difference Result 61 states and 61 transitions. [2024-11-23 23:53:18,689 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-23 23:53:18,689 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 1.2857142857142858) internal successors, (9), 5 states have internal predecessors, (9), 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) Word has length 16 [2024-11-23 23:53:18,689 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 23:53:18,689 INFO L225 Difference]: With dead ends: 61 [2024-11-23 23:53:18,690 INFO L226 Difference]: Without dead ends: 43 [2024-11-23 23:53:18,690 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2024-11-23 23:53:18,691 INFO L435 NwaCegarLoop]: 10 mSDtfsCounter, 62 mSDsluCounter, 26 mSDsCounter, 0 mSdLazyCounter, 163 mSolverCounterSat, 8 mSolverCounterUnsat, 21 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 84.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 62 SdHoareTripleChecker+Valid, 36 SdHoareTripleChecker+Invalid, 192 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 163 IncrementalHoareTripleChecker+Invalid, 21 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 85.0s IncrementalHoareTripleChecker+Time [2024-11-23 23:53:18,691 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [62 Valid, 36 Invalid, 192 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 163 Invalid, 21 Unknown, 0 Unchecked, 85.0s Time] [2024-11-23 23:53:18,695 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43 states. [2024-11-23 23:53:18,700 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43 to 43. [2024-11-23 23:53:18,702 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 43 states, 36 states have (on average 1.0833333333333333) internal successors, (39), 39 states have internal predecessors, (39), 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) [2024-11-23 23:53:18,704 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 43 states and 43 transitions. [2024-11-23 23:53:18,704 INFO L78 Accepts]: Start accepts. Automaton has 43 states and 43 transitions. Word has length 16 [2024-11-23 23:53:18,705 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 23:53:18,709 INFO L471 AbstractCegarLoop]: Abstraction has 43 states and 43 transitions. [2024-11-23 23:53:18,709 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 1.2857142857142858) internal successors, (9), 5 states have internal predecessors, (9), 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) [2024-11-23 23:53:18,709 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 43 transitions. [2024-11-23 23:53:18,710 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-23 23:53:18,710 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 23:53:18,710 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 23:53:18,714 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fca513a3-f6e6-4cad-8e40-b7d0fd62fed8/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 [2024-11-23 23:53:18,910 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fca513a3-f6e6-4cad-8e40-b7d0fd62fed8/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 [2024-11-23 23:53:18,911 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr17ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 40 more)] === [2024-11-23 23:53:18,911 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:53:18,911 INFO L85 PathProgramCache]: Analyzing trace with hash 1274908175, now seen corresponding path program 1 times [2024-11-23 23:53:18,911 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-23 23:53:18,911 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1696749186] [2024-11-23 23:53:18,912 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:53:18,912 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 [2024-11-23 23:53:18,912 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fca513a3-f6e6-4cad-8e40-b7d0fd62fed8/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-23 23:53:18,914 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fca513a3-f6e6-4cad-8e40-b7d0fd62fed8/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) [2024-11-23 23:53:18,915 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fca513a3-f6e6-4cad-8e40-b7d0fd62fed8/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 (4)] Waiting until timeout for monitored process [2024-11-23 23:53:20,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:53:20,440 INFO L256 TraceCheckSpWp]: Trace formula consists of 46 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-23 23:53:20,442 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 23:53:37,218 WARN L851 $PredicateComparison]: unable to prove that (exists ((|ULTIMATE.start_main_~f~0#1| (_ FloatingPoint 11 53))) (and (let ((.cse0 ((_ to_fp 11 53) roundNearestTiesToEven (_ bv0 32)))) (fp.eq (fp.mul roundNearestTiesToEven |ULTIMATE.start_main_~f~0#1| .cse0) .cse0)) (not (fp.eq (fp.mul roundNearestTiesToEven |ULTIMATE.start_main_~f~0#1| ((_ to_fp 11 53) roundNearestTiesToEven (_ bv1 32))) |ULTIMATE.start_main_~f~0#1|)))) is different from false [2024-11-23 23:53:41,223 WARN L873 $PredicateComparison]: unable to prove that (exists ((|ULTIMATE.start_main_~f~0#1| (_ FloatingPoint 11 53))) (and (let ((.cse0 ((_ to_fp 11 53) roundNearestTiesToEven (_ bv0 32)))) (fp.eq (fp.mul roundNearestTiesToEven |ULTIMATE.start_main_~f~0#1| .cse0) .cse0)) (not (fp.eq (fp.mul roundNearestTiesToEven |ULTIMATE.start_main_~f~0#1| ((_ to_fp 11 53) roundNearestTiesToEven (_ bv1 32))) |ULTIMATE.start_main_~f~0#1|)))) is different from true [2024-11-23 23:53:41,224 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-23 23:53:41,224 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-23 23:53:41,224 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-23 23:53:41,225 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1696749186] [2024-11-23 23:53:41,225 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1696749186] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 23:53:41,225 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 23:53:41,225 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-23 23:53:41,225 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2146759083] [2024-11-23 23:53:41,225 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 23:53:41,226 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-23 23:53:41,226 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-23 23:53:41,226 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-23 23:53:41,226 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=10, Unknown=2, NotChecked=6, Total=30 [2024-11-23 23:53:41,227 INFO L87 Difference]: Start difference. First operand 43 states and 43 transitions. Second operand has 6 states, 5 states have (on average 5.0) internal successors, (25), 5 states have internal predecessors, (25), 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) [2024-11-23 23:53:45,867 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-23 23:53:49,885 WARN L851 $PredicateComparison]: unable to prove that (and (let ((.cse0 ((_ to_fp 11 53) c_currentRoundingMode (_ bv0 32)))) (fp.eq (fp.mul c_currentRoundingMode |c_ULTIMATE.start_main_~f~0#1| .cse0) .cse0)) (exists ((|ULTIMATE.start_main_~f~0#1| (_ FloatingPoint 11 53))) (and (let ((.cse1 ((_ to_fp 11 53) roundNearestTiesToEven (_ bv0 32)))) (fp.eq (fp.mul roundNearestTiesToEven |ULTIMATE.start_main_~f~0#1| .cse1) .cse1)) (not (fp.eq (fp.mul roundNearestTiesToEven |ULTIMATE.start_main_~f~0#1| ((_ to_fp 11 53) roundNearestTiesToEven (_ bv1 32))) |ULTIMATE.start_main_~f~0#1|)))) (= c_currentRoundingMode roundNearestTiesToEven)) is different from false [2024-11-23 23:53:54,075 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-23 23:53:58,140 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-23 23:54:02,240 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-23 23:54:06,243 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-23 23:54:10,246 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-23 23:54:10,246 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 23:54:10,246 INFO L93 Difference]: Finished difference Result 43 states and 43 transitions. [2024-11-23 23:54:10,257 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-23 23:54:10,257 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 5.0) internal successors, (25), 5 states have internal predecessors, (25), 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 32 [2024-11-23 23:54:10,257 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 23:54:10,258 INFO L225 Difference]: With dead ends: 43 [2024-11-23 23:54:10,258 INFO L226 Difference]: Without dead ends: 41 [2024-11-23 23:54:10,258 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 2 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 12.1s TimeCoverageRelationStatistics Valid=14, Invalid=11, Unknown=3, NotChecked=14, Total=42 [2024-11-23 23:54:10,259 INFO L435 NwaCegarLoop]: 13 mSDtfsCounter, 28 mSDsluCounter, 8 mSDsCounter, 0 mSdLazyCounter, 54 mSolverCounterSat, 2 mSolverCounterUnsat, 6 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 24.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 28 SdHoareTripleChecker+Valid, 21 SdHoareTripleChecker+Invalid, 103 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 54 IncrementalHoareTripleChecker+Invalid, 6 IncrementalHoareTripleChecker+Unknown, 41 IncrementalHoareTripleChecker+Unchecked, 25.0s IncrementalHoareTripleChecker+Time [2024-11-23 23:54:10,259 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [28 Valid, 21 Invalid, 103 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 54 Invalid, 6 Unknown, 41 Unchecked, 25.0s Time] [2024-11-23 23:54:10,260 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41 states. [2024-11-23 23:54:10,263 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41 to 41. [2024-11-23 23:54:10,263 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 41 states, 35 states have (on average 1.0571428571428572) internal successors, (37), 37 states have internal predecessors, (37), 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) [2024-11-23 23:54:10,264 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 41 states and 41 transitions. [2024-11-23 23:54:10,264 INFO L78 Accepts]: Start accepts. Automaton has 41 states and 41 transitions. Word has length 32 [2024-11-23 23:54:10,264 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 23:54:10,264 INFO L471 AbstractCegarLoop]: Abstraction has 41 states and 41 transitions. [2024-11-23 23:54:10,265 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 5.0) internal successors, (25), 5 states have internal predecessors, (25), 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) [2024-11-23 23:54:10,265 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 41 transitions. [2024-11-23 23:54:10,265 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2024-11-23 23:54:10,265 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 23:54:10,266 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 23:54:10,276 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fca513a3-f6e6-4cad-8e40-b7d0fd62fed8/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 (4)] Forceful destruction successful, exit code 0 [2024-11-23 23:54:10,466 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fca513a3-f6e6-4cad-8e40-b7d0fd62fed8/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 [2024-11-23 23:54:10,466 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr18ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 40 more)] === [2024-11-23 23:54:10,467 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:54:10,467 INFO L85 PathProgramCache]: Analyzing trace with hash 867451975, now seen corresponding path program 1 times [2024-11-23 23:54:10,467 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-23 23:54:10,467 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1534372630] [2024-11-23 23:54:10,467 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:54:10,467 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 [2024-11-23 23:54:10,467 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fca513a3-f6e6-4cad-8e40-b7d0fd62fed8/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-23 23:54:10,469 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fca513a3-f6e6-4cad-8e40-b7d0fd62fed8/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) [2024-11-23 23:54:10,471 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fca513a3-f6e6-4cad-8e40-b7d0fd62fed8/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 (5)] Waiting until timeout for monitored process [2024-11-23 23:54:10,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:54:10,842 INFO L256 TraceCheckSpWp]: Trace formula consists of 47 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-23 23:54:10,844 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 23:54:12,494 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-23 23:54:12,494 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-23 23:54:12,494 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-23 23:54:12,494 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1534372630] [2024-11-23 23:54:12,494 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1534372630] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 23:54:12,494 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 23:54:12,494 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-23 23:54:12,494 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [580953362] [2024-11-23 23:54:12,494 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 23:54:12,495 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-23 23:54:12,495 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-23 23:54:12,495 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-23 23:54:12,495 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-23 23:54:12,496 INFO L87 Difference]: Start difference. First operand 41 states and 41 transitions. Second operand has 3 states, 3 states have (on average 8.666666666666666) internal successors, (26), 3 states have internal predecessors, (26), 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) [2024-11-23 23:54:18,399 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-23 23:54:22,407 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-23 23:54:27,144 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-23 23:54:31,530 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-23 23:54:35,549 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-23 23:54:39,909 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-23 23:54:45,293 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-23 23:54:49,952 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-23 23:54:53,960 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-23 23:54:59,021 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.05s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-23 23:55:03,024 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-23 23:55:03,024 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 23:55:03,024 INFO L93 Difference]: Finished difference Result 41 states and 41 transitions. [2024-11-23 23:55:03,050 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 23:55:03,050 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 8.666666666666666) internal successors, (26), 3 states have internal predecessors, (26), 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 33 [2024-11-23 23:55:03,050 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 23:55:03,050 INFO L225 Difference]: With dead ends: 41 [2024-11-23 23:55:03,050 INFO L226 Difference]: Without dead ends: 37 [2024-11-23 23:55:03,051 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 31 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-23 23:55:03,051 INFO L435 NwaCegarLoop]: 29 mSDtfsCounter, 7 mSDsluCounter, 8 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 1 mSolverCounterUnsat, 11 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 50.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7 SdHoareTripleChecker+Valid, 37 SdHoareTripleChecker+Invalid, 30 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 11 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 50.5s IncrementalHoareTripleChecker+Time [2024-11-23 23:55:03,052 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [7 Valid, 37 Invalid, 30 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 18 Invalid, 11 Unknown, 0 Unchecked, 50.5s Time] [2024-11-23 23:55:03,052 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37 states. [2024-11-23 23:55:03,059 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37 to 37. [2024-11-23 23:55:03,059 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 37 states, 33 states have (on average 1.0) internal successors, (33), 33 states have internal predecessors, (33), 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) [2024-11-23 23:55:03,064 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 37 states and 37 transitions. [2024-11-23 23:55:03,064 INFO L78 Accepts]: Start accepts. Automaton has 37 states and 37 transitions. Word has length 33 [2024-11-23 23:55:03,064 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 23:55:03,064 INFO L471 AbstractCegarLoop]: Abstraction has 37 states and 37 transitions. [2024-11-23 23:55:03,064 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 8.666666666666666) internal successors, (26), 3 states have internal predecessors, (26), 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) [2024-11-23 23:55:03,065 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 37 transitions. [2024-11-23 23:55:03,065 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-11-23 23:55:03,065 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 23:55:03,065 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 23:55:03,089 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fca513a3-f6e6-4cad-8e40-b7d0fd62fed8/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 (5)] Ended with exit code 0 [2024-11-23 23:55:03,266 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fca513a3-f6e6-4cad-8e40-b7d0fd62fed8/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 [2024-11-23 23:55:03,266 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr25ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 40 more)] === [2024-11-23 23:55:03,267 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:55:03,267 INFO L85 PathProgramCache]: Analyzing trace with hash 695659055, now seen corresponding path program 1 times [2024-11-23 23:55:03,267 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-23 23:55:03,267 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1447085135] [2024-11-23 23:55:03,267 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:55:03,268 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 [2024-11-23 23:55:03,268 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fca513a3-f6e6-4cad-8e40-b7d0fd62fed8/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-23 23:55:03,274 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fca513a3-f6e6-4cad-8e40-b7d0fd62fed8/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) [2024-11-23 23:55:03,275 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fca513a3-f6e6-4cad-8e40-b7d0fd62fed8/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 (6)] Waiting until timeout for monitored process [2024-11-23 23:55:06,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:55:06,271 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-23 23:55:06,272 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 23:55:23,663 WARN L851 $PredicateComparison]: unable to prove that (exists ((|v_ULTIMATE.start_main_~f~0#1_31| (_ FloatingPoint 11 53))) (and (not (fp.eq (fp.div roundNearestTiesToEven |v_ULTIMATE.start_main_~f~0#1_31| ((_ to_fp 11 53) roundNearestTiesToEven 1.0)) |v_ULTIMATE.start_main_~f~0#1_31|)) (let ((.cse0 ((_ to_fp 11 53) roundNearestTiesToEven (_ bv0 32)))) (fp.eq (fp.mul roundNearestTiesToEven .cse0 |v_ULTIMATE.start_main_~f~0#1_31|) .cse0)))) is different from false [2024-11-23 23:55:27,672 WARN L873 $PredicateComparison]: unable to prove that (exists ((|v_ULTIMATE.start_main_~f~0#1_31| (_ FloatingPoint 11 53))) (and (not (fp.eq (fp.div roundNearestTiesToEven |v_ULTIMATE.start_main_~f~0#1_31| ((_ to_fp 11 53) roundNearestTiesToEven 1.0)) |v_ULTIMATE.start_main_~f~0#1_31|)) (let ((.cse0 ((_ to_fp 11 53) roundNearestTiesToEven (_ bv0 32)))) (fp.eq (fp.mul roundNearestTiesToEven .cse0 |v_ULTIMATE.start_main_~f~0#1_31|) .cse0)))) is different from true [2024-11-23 23:55:27,673 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-23 23:55:27,673 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-23 23:55:27,673 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-23 23:55:27,673 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1447085135] [2024-11-23 23:55:27,673 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1447085135] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 23:55:27,673 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 23:55:27,673 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-23 23:55:27,673 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [352577833] [2024-11-23 23:55:27,674 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 23:55:27,674 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-23 23:55:27,674 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-23 23:55:27,674 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-23 23:55:27,675 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=10, Unknown=2, NotChecked=6, Total=30 [2024-11-23 23:55:27,675 INFO L87 Difference]: Start difference. First operand 37 states and 37 transitions. Second operand has 6 states, 5 states have (on average 6.6) internal successors, (33), 5 states have internal predecessors, (33), 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) [2024-11-23 23:55:32,128 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-23 23:55:36,131 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-23 23:55:40,133 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-23 23:55:44,155 WARN L851 $PredicateComparison]: unable to prove that (and (exists ((|v_ULTIMATE.start_main_~f~0#1_31| (_ FloatingPoint 11 53))) (and (not (fp.eq (fp.div roundNearestTiesToEven |v_ULTIMATE.start_main_~f~0#1_31| ((_ to_fp 11 53) roundNearestTiesToEven 1.0)) |v_ULTIMATE.start_main_~f~0#1_31|)) (let ((.cse0 ((_ to_fp 11 53) roundNearestTiesToEven (_ bv0 32)))) (fp.eq (fp.mul roundNearestTiesToEven .cse0 |v_ULTIMATE.start_main_~f~0#1_31|) .cse0)))) (= c_currentRoundingMode roundNearestTiesToEven)) is different from false [2024-11-23 23:55:44,159 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 23:55:44,159 INFO L93 Difference]: Finished difference Result 37 states and 37 transitions. [2024-11-23 23:55:44,159 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-23 23:55:44,159 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 6.6) internal successors, (33), 5 states have internal predecessors, (33), 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 40 [2024-11-23 23:55:44,160 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 23:55:44,160 INFO L225 Difference]: With dead ends: 37 [2024-11-23 23:55:44,160 INFO L226 Difference]: Without dead ends: 0 [2024-11-23 23:55:44,160 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 35 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 2 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 12.1s TimeCoverageRelationStatistics Valid=14, Invalid=11, Unknown=3, NotChecked=14, Total=42 [2024-11-23 23:55:44,161 INFO L435 NwaCegarLoop]: 10 mSDtfsCounter, 1 mSDsluCounter, 6 mSDsCounter, 0 mSdLazyCounter, 54 mSolverCounterSat, 0 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 12.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 16 SdHoareTripleChecker+Invalid, 92 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 54 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 35 IncrementalHoareTripleChecker+Unchecked, 12.5s IncrementalHoareTripleChecker+Time [2024-11-23 23:55:44,161 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 16 Invalid, 92 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 54 Invalid, 3 Unknown, 35 Unchecked, 12.5s Time] [2024-11-23 23:55:44,162 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2024-11-23 23:55:44,162 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2024-11-23 23:55:44,162 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 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) [2024-11-23 23:55:44,162 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2024-11-23 23:55:44,162 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 40 [2024-11-23 23:55:44,162 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 23:55:44,162 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-23 23:55:44,162 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 6.6) internal successors, (33), 5 states have internal predecessors, (33), 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) [2024-11-23 23:55:44,162 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2024-11-23 23:55:44,163 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-23 23:55:44,165 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (42 of 43 remaining) [2024-11-23 23:55:44,166 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION (41 of 43 remaining) [2024-11-23 23:55:44,166 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (40 of 43 remaining) [2024-11-23 23:55:44,166 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION (39 of 43 remaining) [2024-11-23 23:55:44,166 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION (38 of 43 remaining) [2024-11-23 23:55:44,166 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION (37 of 43 remaining) [2024-11-23 23:55:44,166 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION (36 of 43 remaining) [2024-11-23 23:55:44,167 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION (35 of 43 remaining) [2024-11-23 23:55:44,167 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION (34 of 43 remaining) [2024-11-23 23:55:44,167 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION (33 of 43 remaining) [2024-11-23 23:55:44,167 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION (32 of 43 remaining) [2024-11-23 23:55:44,167 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION (31 of 43 remaining) [2024-11-23 23:55:44,167 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION (30 of 43 remaining) [2024-11-23 23:55:44,167 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION (29 of 43 remaining) [2024-11-23 23:55:44,167 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION (28 of 43 remaining) [2024-11-23 23:55:44,168 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION (27 of 43 remaining) [2024-11-23 23:55:44,168 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr16ASSERT_VIOLATIONERROR_FUNCTION (26 of 43 remaining) [2024-11-23 23:55:44,168 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr17ASSERT_VIOLATIONERROR_FUNCTION (25 of 43 remaining) [2024-11-23 23:55:44,168 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr18ASSERT_VIOLATIONERROR_FUNCTION (24 of 43 remaining) [2024-11-23 23:55:44,168 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr19ASSERT_VIOLATIONERROR_FUNCTION (23 of 43 remaining) [2024-11-23 23:55:44,168 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr20ASSERT_VIOLATIONERROR_FUNCTION (22 of 43 remaining) [2024-11-23 23:55:44,168 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr21ASSERT_VIOLATIONERROR_FUNCTION (21 of 43 remaining) [2024-11-23 23:55:44,169 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr22ASSERT_VIOLATIONERROR_FUNCTION (20 of 43 remaining) [2024-11-23 23:55:44,169 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr23ASSERT_VIOLATIONERROR_FUNCTION (19 of 43 remaining) [2024-11-23 23:55:44,169 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr24ASSERT_VIOLATIONERROR_FUNCTION (18 of 43 remaining) [2024-11-23 23:55:44,169 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr25ASSERT_VIOLATIONERROR_FUNCTION (17 of 43 remaining) [2024-11-23 23:55:44,170 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr26ASSERT_VIOLATIONERROR_FUNCTION (16 of 43 remaining) [2024-11-23 23:55:44,170 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr27ASSERT_VIOLATIONERROR_FUNCTION (15 of 43 remaining) [2024-11-23 23:55:44,170 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr28ASSERT_VIOLATIONERROR_FUNCTION (14 of 43 remaining) [2024-11-23 23:55:44,170 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr29ASSERT_VIOLATIONERROR_FUNCTION (13 of 43 remaining) [2024-11-23 23:55:44,170 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr30ASSERT_VIOLATIONERROR_FUNCTION (12 of 43 remaining) [2024-11-23 23:55:44,170 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr31ASSERT_VIOLATIONERROR_FUNCTION (11 of 43 remaining) [2024-11-23 23:55:44,170 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr32ASSERT_VIOLATIONERROR_FUNCTION (10 of 43 remaining) [2024-11-23 23:55:44,170 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr33ASSERT_VIOLATIONERROR_FUNCTION (9 of 43 remaining) [2024-11-23 23:55:44,171 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr34ASSERT_VIOLATIONERROR_FUNCTION (8 of 43 remaining) [2024-11-23 23:55:44,171 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr35ASSERT_VIOLATIONERROR_FUNCTION (7 of 43 remaining) [2024-11-23 23:55:44,171 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr36ASSERT_VIOLATIONERROR_FUNCTION (6 of 43 remaining) [2024-11-23 23:55:44,171 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr37ASSERT_VIOLATIONERROR_FUNCTION (5 of 43 remaining) [2024-11-23 23:55:44,171 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr38ASSERT_VIOLATIONERROR_FUNCTION (4 of 43 remaining) [2024-11-23 23:55:44,171 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr39ASSERT_VIOLATIONERROR_FUNCTION (3 of 43 remaining) [2024-11-23 23:55:44,171 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr40ASSERT_VIOLATIONERROR_FUNCTION (2 of 43 remaining) [2024-11-23 23:55:44,171 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr41ASSERT_VIOLATIONERROR_FUNCTION (1 of 43 remaining) [2024-11-23 23:55:44,172 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr42ASSERT_VIOLATIONERROR_FUNCTION (0 of 43 remaining) [2024-11-23 23:55:44,188 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fca513a3-f6e6-4cad-8e40-b7d0fd62fed8/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 (6)] Ended with exit code 0 [2024-11-23 23:55:44,372 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fca513a3-f6e6-4cad-8e40-b7d0fd62fed8/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 [2024-11-23 23:55:44,375 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1] [2024-11-23 23:55:44,377 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2024-11-23 23:55:44,476 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-23 23:55:44,484 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 11:55:44 BoogieIcfgContainer [2024-11-23 23:55:44,484 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-23 23:55:44,485 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-23 23:55:44,486 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-23 23:55:44,486 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-23 23:55:44,487 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 11:51:52" (3/4) ... [2024-11-23 23:55:44,489 INFO L146 WitnessPrinter]: Generating witness for correct program [2024-11-23 23:55:44,494 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure assume_abort_if_not [2024-11-23 23:55:44,505 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2024-11-23 23:55:44,506 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2024-11-23 23:55:44,506 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-11-23 23:55:44,507 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-23 23:55:44,612 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fca513a3-f6e6-4cad-8e40-b7d0fd62fed8/bin/uautomizer-verify-LYvppIcaGC/witness.graphml [2024-11-23 23:55:44,612 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fca513a3-f6e6-4cad-8e40-b7d0fd62fed8/bin/uautomizer-verify-LYvppIcaGC/witness.yml [2024-11-23 23:55:44,612 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-23 23:55:44,613 INFO L158 Benchmark]: Toolchain (without parser) took 236219.90ms. Allocated memory is still 117.4MB. Free memory was 90.8MB in the beginning and 85.4MB in the end (delta: 5.5MB). Peak memory consumption was 68.9MB. Max. memory is 16.1GB. [2024-11-23 23:55:44,614 INFO L158 Benchmark]: CDTParser took 1.45ms. Allocated memory is still 117.4MB. Free memory is still 83.9MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-23 23:55:44,614 INFO L158 Benchmark]: CACSL2BoogieTranslator took 739.59ms. Allocated memory is still 117.4MB. Free memory was 90.6MB in the beginning and 45.5MB in the end (delta: 45.2MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. [2024-11-23 23:55:44,614 INFO L158 Benchmark]: Boogie Procedure Inliner took 86.33ms. Allocated memory is still 117.4MB. Free memory was 45.5MB in the beginning and 89.1MB in the end (delta: -43.6MB). Peak memory consumption was 11.7MB. Max. memory is 16.1GB. [2024-11-23 23:55:44,615 INFO L158 Benchmark]: Boogie Preprocessor took 75.49ms. Allocated memory is still 117.4MB. Free memory was 89.1MB in the beginning and 87.2MB in the end (delta: 1.9MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-23 23:55:44,615 INFO L158 Benchmark]: RCFGBuilder took 2739.17ms. Allocated memory is still 117.4MB. Free memory was 87.2MB in the beginning and 69.7MB in the end (delta: 17.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-23 23:55:44,616 INFO L158 Benchmark]: TraceAbstraction took 232444.95ms. Allocated memory is still 117.4MB. Free memory was 69.2MB in the beginning and 34.2MB in the end (delta: 35.0MB). Peak memory consumption was 37.2MB. Max. memory is 16.1GB. [2024-11-23 23:55:44,616 INFO L158 Benchmark]: Witness Printer took 127.76ms. Allocated memory is still 117.4MB. Free memory was 34.2MB in the beginning and 85.4MB in the end (delta: -51.2MB). Peak memory consumption was 11.6MB. Max. memory is 16.1GB. [2024-11-23 23:55:44,618 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.45ms. Allocated memory is still 117.4MB. Free memory is still 83.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 739.59ms. Allocated memory is still 117.4MB. Free memory was 90.6MB in the beginning and 45.5MB in the end (delta: 45.2MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 86.33ms. Allocated memory is still 117.4MB. Free memory was 45.5MB in the beginning and 89.1MB in the end (delta: -43.6MB). Peak memory consumption was 11.7MB. Max. memory is 16.1GB. * Boogie Preprocessor took 75.49ms. Allocated memory is still 117.4MB. Free memory was 89.1MB in the beginning and 87.2MB in the end (delta: 1.9MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 2739.17ms. Allocated memory is still 117.4MB. Free memory was 87.2MB in the beginning and 69.7MB in the end (delta: 17.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 232444.95ms. Allocated memory is still 117.4MB. Free memory was 69.2MB in the beginning and 34.2MB in the end (delta: 35.0MB). Peak memory consumption was 37.2MB. Max. memory is 16.1GB. * Witness Printer took 127.76ms. Allocated memory is still 117.4MB. Free memory was 34.2MB in the beginning and 85.4MB in the end (delta: -51.2MB). Peak memory consumption was 11.6MB. 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 - PositiveResult [Line: 976]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - PositiveResult [Line: 977]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - PositiveResult [Line: 978]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - PositiveResult [Line: 979]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - PositiveResult [Line: 980]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - PositiveResult [Line: 983]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - PositiveResult [Line: 984]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - PositiveResult [Line: 985]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - PositiveResult [Line: 986]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - PositiveResult [Line: 987]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - PositiveResult [Line: 990]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - PositiveResult [Line: 991]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - PositiveResult [Line: 992]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - PositiveResult [Line: 995]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - PositiveResult [Line: 996]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - PositiveResult [Line: 997]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - PositiveResult [Line: 998]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - PositiveResult [Line: 999]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - PositiveResult [Line: 1000]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - PositiveResult [Line: 1001]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - PositiveResult [Line: 1004]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - PositiveResult [Line: 1005]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - PositiveResult [Line: 1006]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - PositiveResult [Line: 1007]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - PositiveResult [Line: 1008]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - PositiveResult [Line: 1009]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - PositiveResult [Line: 1012]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - PositiveResult [Line: 1013]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - PositiveResult [Line: 1014]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - PositiveResult [Line: 1015]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - PositiveResult [Line: 1016]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - PositiveResult [Line: 1017]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - PositiveResult [Line: 1018]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - PositiveResult [Line: 1019]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - PositiveResult [Line: 1022]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - PositiveResult [Line: 1023]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - PositiveResult [Line: 1024]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - PositiveResult [Line: 1025]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - PositiveResult [Line: 1026]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - PositiveResult [Line: 1027]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - PositiveResult [Line: 1028]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - PositiveResult [Line: 1029]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - PositiveResult [Line: 1030]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 141 locations, 43 error locations. Started 1 CEGAR loops. OverallTime: 232.3s, OverallIterations: 5, TraceHistogramMax: 2, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 181.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 41 mSolverCounterUnknown, 98 SdHoareTripleChecker+Valid, 172.9s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 98 mSDsluCounter, 191 SdHoareTripleChecker+Invalid, 172.6s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 76 IncrementalHoareTripleChecker+Unchecked, 48 mSDsCounter, 11 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 289 IncrementalHoareTripleChecker+Invalid, 417 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 11 mSolverCounterUnsat, 143 mSDtfsCounter, 289 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 41 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 133 GetRequests, 116 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 4 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 25.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=141occurred in iteration=0, InterpolantAutomatonStates: 25, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 5 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 5.4s SatisfiabilityAnalysisTime, 44.4s InterpolantComputationTime, 136 NumberOfCodeBlocks, 136 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 131 ConstructedInterpolants, 2 QuantifiedInterpolants, 772 SizeOfPredicates, 7 NumberOfNonLiveVariables, 206 ConjunctsInSsa, 20 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 PerfectInterpolantSequences, 20/20 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 - AllSpecificationsHoldResult: All specifications hold 43 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2024-11-23 23:55:44,708 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fca513a3-f6e6-4cad-8e40-b7d0fd62fed8/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE