This is Ultimate 0.2.4-tmp.dk.referee-eval-27b4987-m [2024-09-21 19:10:23,606 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-21 19:10:23,665 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Default.epf [2024-09-21 19:10:23,669 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-21 19:10:23,670 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-21 19:10:23,699 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-21 19:10:23,702 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-21 19:10:23,703 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-21 19:10:23,704 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-21 19:10:23,705 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-21 19:10:23,705 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-21 19:10:23,706 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-21 19:10:23,706 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-21 19:10:23,707 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-21 19:10:23,707 INFO L153 SettingsManager]: * Use SBE=true [2024-09-21 19:10:23,709 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-21 19:10:23,710 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-21 19:10:23,710 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-21 19:10:23,710 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-09-21 19:10:23,710 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-21 19:10:23,711 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-21 19:10:23,716 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-21 19:10:23,716 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-21 19:10:23,716 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-21 19:10:23,717 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-21 19:10:23,717 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-21 19:10:23,717 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-21 19:10:23,718 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-21 19:10:23,718 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-21 19:10:23,718 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-21 19:10:23,718 INFO L153 SettingsManager]: * Future-live optimization=false [2024-09-21 19:10:23,718 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-21 19:10:23,719 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-21 19:10:23,719 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-21 19:10:23,720 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-21 19:10:23,720 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-21 19:10:23,721 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-21 19:10:23,721 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-09-21 19:10:23,723 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-09-21 19:10:23,723 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-21 19:10:23,723 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-21 19:10:23,724 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-21 19:10:23,724 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-21 19:10:23,724 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/certificate-witnesses-artifact/referee/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None [2024-09-21 19:10:23,983 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-21 19:10:24,006 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-21 19:10:24,009 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-21 19:10:24,011 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-21 19:10:24,011 INFO L274 PluginConnector]: CDTParser initialized [2024-09-21 19:10:24,013 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/nla-digbench-scaling/knuth_unwindbound20.i [2024-09-21 19:10:25,472 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-21 19:10:25,661 INFO L384 CDTParser]: Found 1 translation units. [2024-09-21 19:10:25,662 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench-scaling/knuth_unwindbound20.i [2024-09-21 19:10:25,669 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/37505d6c1/3aff154b9a284c5a8e5144b741b91310/FLAG44b2aae45 [2024-09-21 19:10:25,681 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/37505d6c1/3aff154b9a284c5a8e5144b741b91310 [2024-09-21 19:10:25,684 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-21 19:10:25,685 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-21 19:10:25,685 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/cpachecker-verification-files/SV-COMP24_unreach-call/knuth_unwindbound20.yml/output/witness-2.1.yml [2024-09-21 19:10:25,735 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-21 19:10:25,736 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-09-21 19:10:25,739 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-21 19:10:25,739 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-21 19:10:25,744 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-21 19:10:25,745 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 07:10:25" (1/2) ... [2024-09-21 19:10:25,746 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@251f5790 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 07:10:25, skipping insertion in model container [2024-09-21 19:10:25,746 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 07:10:25" (1/2) ... [2024-09-21 19:10:25,749 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@1722c34f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 07:10:25, skipping insertion in model container [2024-09-21 19:10:25,749 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 21.09 07:10:25" (2/2) ... [2024-09-21 19:10:25,750 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@251f5790 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 21.09 07:10:25, skipping insertion in model container [2024-09-21 19:10:25,750 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 21.09 07:10:25" (2/2) ... [2024-09-21 19:10:25,759 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-21 19:10:25,761 INFO L1541 ArrayList]: Function contract at [L27]: requires 1, ensures 1 [2024-09-21 19:10:25,761 INFO L1541 ArrayList]: Function contract at [L15]: requires 1, ensures (!(1) || (1)) [2024-09-21 19:10:25,785 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-21 19:10:25,938 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench-scaling/knuth_unwindbound20.i[948,961] [2024-09-21 19:10:25,950 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator has thrown an exception: java.lang.UnsupportedOperationException: floating point operation not supported in non-bitprecise translation: sqrt at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.expressiontranslation.IntegerTranslation.constructOtherUnaryFloatOperation(IntegerTranslation.java:610) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.standardfunctions.StandardFunctionHandler.handleUnaryFloatFunction(StandardFunctionHandler.java:2721) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.standardfunctions.StandardFunctionHandler.translateStandardFunction(StandardFunctionHandler.java:253) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1586) 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:789) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:286) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1494) 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:1150) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1133) 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:387) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1613) 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:3471) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2497) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:639) 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$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2024-09-21 19:10:25,959 INFO L158 Benchmark]: Toolchain (without parser) took 219.06ms. Allocated memory is still 155.2MB. Free memory was 95.1MB in the beginning and 85.0MB in the end (delta: 10.1MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2024-09-21 19:10:25,959 INFO L158 Benchmark]: CDTParser took 0.18ms. Allocated memory is still 155.2MB. Free memory is still 114.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-21 19:10:25,960 INFO L158 Benchmark]: Witness Parser took 0.09ms. Allocated memory is still 155.2MB. Free memory is still 97.1MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-21 19:10:25,961 INFO L158 Benchmark]: CACSL2BoogieTranslator took 215.89ms. Allocated memory is still 155.2MB. Free memory was 95.1MB in the beginning and 85.0MB in the end (delta: 10.1MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2024-09-21 19:10:25,963 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18ms. Allocated memory is still 155.2MB. Free memory is still 114.2MB. There was no memory consumed. Max. memory is 16.1GB. * Witness Parser took 0.09ms. Allocated memory is still 155.2MB. Free memory is still 97.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 215.89ms. Allocated memory is still 155.2MB. Free memory was 95.1MB in the beginning and 85.0MB in the end (delta: 10.1MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - ExceptionOrErrorResult: UnsupportedOperationException: floating point operation not supported in non-bitprecise translation: sqrt de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: UnsupportedOperationException: floating point operation not supported in non-bitprecise translation: sqrt: de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.expressiontranslation.IntegerTranslation.constructOtherUnaryFloatOperation(IntegerTranslation.java:610) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.2.4-tmp.dk.referee-eval-27b4987-m [2024-09-21 19:10:27,961 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-21 19:10:28,037 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Bitvector.epf [2024-09-21 19:10:28,045 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-21 19:10:28,046 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-21 19:10:28,072 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-21 19:10:28,075 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-21 19:10:28,075 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-21 19:10:28,076 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-21 19:10:28,078 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-21 19:10:28,078 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-21 19:10:28,079 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-21 19:10:28,079 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-21 19:10:28,082 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-21 19:10:28,082 INFO L153 SettingsManager]: * Use SBE=true [2024-09-21 19:10:28,082 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-21 19:10:28,083 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-21 19:10:28,083 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-21 19:10:28,083 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-21 19:10:28,084 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-21 19:10:28,084 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-21 19:10:28,086 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-21 19:10:28,087 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-21 19:10:28,087 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-09-21 19:10:28,088 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-09-21 19:10:28,088 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-21 19:10:28,088 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-09-21 19:10:28,088 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-21 19:10:28,089 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-21 19:10:28,089 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-21 19:10:28,089 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-21 19:10:28,089 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-21 19:10:28,090 INFO L153 SettingsManager]: * Future-live optimization=false [2024-09-21 19:10:28,090 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-21 19:10:28,091 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-21 19:10:28,091 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-21 19:10:28,092 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-21 19:10:28,092 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-21 19:10:28,092 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-21 19:10:28,093 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-09-21 19:10:28,093 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-09-21 19:10:28,093 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-21 19:10:28,093 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-21 19:10:28,094 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-21 19:10:28,094 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-21 19:10:28,094 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2024-09-21 19:10:28,094 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/certificate-witnesses-artifact/referee/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None [2024-09-21 19:10:28,422 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-21 19:10:28,443 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-21 19:10:28,447 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-21 19:10:28,448 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-21 19:10:28,449 INFO L274 PluginConnector]: CDTParser initialized [2024-09-21 19:10:28,451 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/nla-digbench-scaling/knuth_unwindbound20.i [2024-09-21 19:10:30,044 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-21 19:10:30,218 INFO L384 CDTParser]: Found 1 translation units. [2024-09-21 19:10:30,219 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench-scaling/knuth_unwindbound20.i [2024-09-21 19:10:30,229 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/89b515bb3/1dc1e5168f6e48c1a64edf98ff4ba5d1/FLAG04cf5e01c [2024-09-21 19:10:30,248 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/89b515bb3/1dc1e5168f6e48c1a64edf98ff4ba5d1 [2024-09-21 19:10:30,251 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-21 19:10:30,252 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-21 19:10:30,252 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/cpachecker-verification-files/SV-COMP24_unreach-call/knuth_unwindbound20.yml/output/witness-2.1.yml [2024-09-21 19:10:30,305 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-21 19:10:30,306 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-09-21 19:10:30,307 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-21 19:10:30,307 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-21 19:10:30,312 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-21 19:10:30,314 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 07:10:30" (1/2) ... [2024-09-21 19:10:30,315 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3afb5e04 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 07:10:30, skipping insertion in model container [2024-09-21 19:10:30,316 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 07:10:30" (1/2) ... [2024-09-21 19:10:30,317 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@593a3db3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 07:10:30, skipping insertion in model container [2024-09-21 19:10:30,320 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 21.09 07:10:30" (2/2) ... [2024-09-21 19:10:30,320 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3afb5e04 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 21.09 07:10:30, skipping insertion in model container [2024-09-21 19:10:30,320 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 21.09 07:10:30" (2/2) ... [2024-09-21 19:10:30,330 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-21 19:10:30,333 INFO L1541 ArrayList]: Function contract at [L15]: requires 1, ensures (!(1) || (1)) [2024-09-21 19:10:30,333 INFO L1541 ArrayList]: Function contract at [L27]: requires 1, ensures 1 [2024-09-21 19:10:30,355 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-21 19:10:30,531 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench-scaling/knuth_unwindbound20.i[948,961] [2024-09-21 19:10:30,585 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-21 19:10:30,614 INFO L200 MainTranslator]: Completed pre-run Start Parsing Global Start Parsing Global [2024-09-21 19:10:30,657 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench-scaling/knuth_unwindbound20.i[948,961] Start Parsing Global Start Parsing Global [2024-09-21 19:10:30,678 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-21 19:10:30,701 INFO L204 MainTranslator]: Completed translation [2024-09-21 19:10:30,702 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 21.09 07:10:30 WrapperNode [2024-09-21 19:10:30,702 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-21 19:10:30,704 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-21 19:10:30,704 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-21 19:10:30,704 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-21 19:10:30,717 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 21.09 07:10:30" (1/1) ... [2024-09-21 19:10:30,717 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 21.09 07:10:30" (1/1) ... [2024-09-21 19:10:30,728 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 21.09 07:10:30" (1/1) ... [2024-09-21 19:10:30,743 WARN L109 MemorySlicer]: Omit memory slicing because it failed with the following exception: Unsupported: Procedure assume_abort_if_not is not part of the Ultimate memory model but has specification other that is not a ModifiesSpecification [2024-09-21 19:10:30,744 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 21.09 07:10:30" (1/1) ... [2024-09-21 19:10:30,744 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 21.09 07:10:30" (1/1) ... [2024-09-21 19:10:30,760 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 21.09 07:10:30" (1/1) ... [2024-09-21 19:10:30,764 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 21.09 07:10:30" (1/1) ... [2024-09-21 19:10:30,770 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 21.09 07:10:30" (1/1) ... [2024-09-21 19:10:30,774 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 21.09 07:10:30" (1/1) ... [2024-09-21 19:10:30,779 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-21 19:10:30,783 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-21 19:10:30,783 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-21 19:10:30,783 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-21 19:10:30,784 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 21.09 07:10:30" (1/1) ... [2024-09-21 19:10:30,790 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-21 19:10:30,797 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-09-21 19:10:30,809 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/certificate-witnesses-artifact/referee/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-09-21 19:10:30,812 INFO L327 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/referee/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-09-21 19:10:30,856 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-09-21 19:10:30,856 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-21 19:10:30,856 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.setCurrentRoundingMode [2024-09-21 19:10:30,856 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-09-21 19:10:30,856 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-09-21 19:10:30,856 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-09-21 19:10:30,857 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-09-21 19:10:30,857 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-09-21 19:10:30,857 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-09-21 19:10:30,857 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_perror_fail [2024-09-21 19:10:30,857 INFO L130 BoogieDeclarations]: Found specification of procedure __assert [2024-09-21 19:10:30,857 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-09-21 19:10:30,857 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-21 19:10:30,857 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2024-09-21 19:10:30,857 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-09-21 19:10:30,857 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-09-21 19:10:30,858 INFO L130 BoogieDeclarations]: Found specification of procedure sqrt [2024-09-21 19:10:30,858 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-09-21 19:10:30,858 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-09-21 19:10:30,858 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-09-21 19:10:30,859 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-21 19:10:30,859 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.setCurrentRoundingMode [2024-09-21 19:10:30,859 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2024-09-21 19:10:30,859 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2024-09-21 19:10:30,859 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-09-21 19:10:30,937 INFO L242 CfgBuilder]: Building ICFG [2024-09-21 19:10:30,940 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-21 19:10:31,037 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-21 19:10:31,049 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-21 19:10:35,990 INFO L291 CfgBuilder]: Performing block encoding [2024-09-21 19:10:36,025 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-21 19:10:36,025 INFO L318 CfgBuilder]: Removed 2 assume(true) statements. [2024-09-21 19:10:36,025 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 07:10:36 BoogieIcfgContainer [2024-09-21 19:10:36,025 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-21 19:10:36,027 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-09-21 19:10:36,027 INFO L270 PluginConnector]: Initializing Referee... [2024-09-21 19:10:36,028 INFO L274 PluginConnector]: Referee initialized [2024-09-21 19:10:36,028 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 21.09 07:10:30" (1/4) ... [2024-09-21 19:10:36,028 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@1e5440b4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 21.09 07:10:36, skipping insertion in model container [2024-09-21 19:10:36,029 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 21.09 07:10:30" (2/4) ... [2024-09-21 19:10:36,030 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@1e5440b4 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 21.09 07:10:36, skipping insertion in model container [2024-09-21 19:10:36,030 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 21.09 07:10:30" (3/4) ... [2024-09-21 19:10:36,030 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@1e5440b4 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 21.09 07:10:36, skipping insertion in model container [2024-09-21 19:10:36,030 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 07:10:36" (4/4) ... [2024-09-21 19:10:36,032 INFO L79 RefereeObserver]: Analyzing ICFG knuth_unwindbound20.i [2024-09-21 19:10:36,035 INFO L113 InvariantChecker]: Found 1 loops. [2024-09-21 19:10:36,036 INFO L373 InvariantChecker]: Will check inductivity from ENTRY assume_abort_if_notENTRY to ERROR_LOC assume_abort_if_notErr0ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 4 edges. [2024-09-21 19:10:36,036 INFO L373 InvariantChecker]: Will check inductivity from ENTRY mainENTRY to ERROR_LOC mainErr0REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 2 edges. [2024-09-21 19:10:36,036 INFO L373 InvariantChecker]: Will check inductivity from ENTRY mainENTRY to ERROR_LOC mainErr1REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 3 edges. [2024-09-21 19:10:36,037 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L57-2 to ERROR_LOC mainErr2ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 11 edges. [2024-09-21 19:10:36,037 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC ULTIMATE.startErr0REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 2 edges. [2024-09-21 19:10:36,037 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 3 edges. [2024-09-21 19:10:36,037 INFO L131 InvariantChecker]: Will check 1 loop-free subgraphs from loop head to error location, 5 loop-free subgraphs from procedure entry to error location [2024-09-21 19:10:36,119 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 4 edges [2024-09-21 19:10:36,120 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 19:10:36,120 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 19:10:36,121 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 19:10:36,122 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 19:10:36,124 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:10:36,149 INFO L101 BaseMinimizeStates]: Removed 6 edges and 2 locations by large block encoding [2024-09-21 19:10:36,151 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:10:36,154 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 19:10:36,154 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 19:10:36,155 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 19:10:36,158 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 19:10:36,178 INFO L520 InvariantChecker]: The annotation(s) from entry assume_abort_if_notENTRY to error location assume_abort_if_notErr0ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-21 19:10:36,209 INFO L314 BlockEncoder]: Initial Icfg 3 locations, 2 edges [2024-09-21 19:10:36,209 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 19:10:36,210 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 19:10:36,210 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 19:10:36,210 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 19:10:36,210 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:10:36,211 INFO L101 BaseMinimizeStates]: Removed 2 edges and 1 locations by large block encoding [2024-09-21 19:10:36,211 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:10:36,211 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 19:10:36,211 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 19:10:36,212 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 19:10:36,212 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 19:10:36,214 INFO L520 InvariantChecker]: The annotation(s) from entry mainENTRY to error location mainErr0REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-21 19:10:36,233 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-21 19:10:36,233 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 19:10:36,233 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 19:10:36,233 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 19:10:36,234 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 19:10:36,234 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:10:36,235 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-21 19:10:36,235 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:10:36,235 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 19:10:36,235 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 19:10:36,235 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 19:10:36,235 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 19:10:36,242 INFO L520 InvariantChecker]: The annotation(s) from entry mainENTRY to error location mainErr1REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-21 19:10:36,278 INFO L314 BlockEncoder]: Initial Icfg 10 locations, 11 edges [2024-09-21 19:10:36,280 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 19:10:36,280 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 19:10:36,281 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 19:10:36,281 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 19:10:36,281 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:10:36,298 INFO L101 BaseMinimizeStates]: Removed 21 edges and 8 locations by large block encoding [2024-09-21 19:10:36,299 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:10:36,299 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 19:10:36,299 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 19:10:36,299 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 19:10:36,300 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 19:10:36,302 INFO L520 InvariantChecker]: The annotation(s) from loop head L57-2 to error location mainErr2ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-21 19:10:36,319 INFO L314 BlockEncoder]: Initial Icfg 3 locations, 2 edges [2024-09-21 19:10:36,320 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 19:10:36,320 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 19:10:36,320 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 19:10:36,320 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 19:10:36,320 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:10:36,321 INFO L101 BaseMinimizeStates]: Removed 2 edges and 1 locations by large block encoding [2024-09-21 19:10:36,321 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:10:36,321 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 19:10:36,322 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 19:10:36,322 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 19:10:36,322 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 19:10:36,324 INFO L520 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to error location ULTIMATE.startErr0REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-21 19:10:36,341 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-21 19:10:36,342 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 19:10:36,342 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 19:10:36,342 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 19:10:36,342 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 19:10:36,342 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:10:36,345 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-21 19:10:36,345 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:10:36,345 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 19:10:36,345 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 19:10:36,345 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 19:10:36,345 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 19:10:36,399 INFO L58 RefereeStarter]: Annotation is not a valid proof of correctness. [2024-09-21 19:10:36,400 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@1e5440b4 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CFG 21.09 07:10:36, skipping insertion in model container [2024-09-21 19:10:36,401 INFO L131 PluginConnector]: ------------------------ END Referee---------------------------- [2024-09-21 19:10:36,403 INFO L158 Benchmark]: Toolchain (without parser) took 6096.11ms. Allocated memory is still 90.2MB. Free memory was 54.8MB in the beginning and 40.9MB in the end (delta: 13.9MB). Peak memory consumption was 22.1MB. Max. memory is 16.1GB. [2024-09-21 19:10:36,403 INFO L158 Benchmark]: CDTParser took 0.35ms. Allocated memory is still 56.6MB. Free memory was 35.6MB in the beginning and 35.5MB in the end (delta: 73.4kB). There was no memory consumed. Max. memory is 16.1GB. [2024-09-21 19:10:36,405 INFO L158 Benchmark]: Witness Parser took 0.23ms. Allocated memory is still 90.2MB. Free memory was 56.8MB in the beginning and 56.6MB in the end (delta: 242.5kB). There was no memory consumed. Max. memory is 16.1GB. [2024-09-21 19:10:36,405 INFO L158 Benchmark]: CACSL2BoogieTranslator took 395.22ms. Allocated memory is still 90.2MB. Free memory was 54.6MB in the beginning and 65.2MB in the end (delta: -10.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-09-21 19:10:36,406 INFO L158 Benchmark]: Boogie Preprocessor took 78.38ms. Allocated memory is still 90.2MB. Free memory was 65.2MB in the beginning and 62.4MB in the end (delta: 2.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-09-21 19:10:36,407 INFO L158 Benchmark]: RCFGBuilder took 5242.75ms. Allocated memory is still 90.2MB. Free memory was 62.4MB in the beginning and 43.1MB in the end (delta: 19.3MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2024-09-21 19:10:36,408 INFO L158 Benchmark]: Referee took 374.04ms. Allocated memory is still 90.2MB. Free memory was 43.1MB in the beginning and 40.9MB in the end (delta: 2.2MB). Peak memory consumption was 10.6MB. Max. memory is 16.1GB. [2024-09-21 19:10:36,411 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.referee: - AnnotationCheckResult: Annotation is not a valid proof of correctness. Annotation is not a valid proof of correctness. Annotation is not valid for all loop-free paths from entry of procedure __VERIFIER_assert to check that a call to reach_error is unreachable at line 20. One counterexample starts in \old(cond)=0 and ends in \old(cond)=0, cond=0. Annotation is valid for all loop-free paths from entry of procedure assume_abort_if_not to exit of procedure assume_abort_if_not. Annotation is valid for all loop-free paths from entry of procedure ULTIMATE.start to check that procedure precondition always holds at line -1. Annotation is valid for all loop-free paths from entry of procedure main to check that procedure precondition always holds at line 32. Annotation is valid for all loop-free paths from entry of procedure main to check that procedure precondition always holds at line 32. Annotation is valid for all loop-free paths from loop head at line 40 to exit of procedure main. * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.35ms. Allocated memory is still 56.6MB. Free memory was 35.6MB in the beginning and 35.5MB in the end (delta: 73.4kB). There was no memory consumed. Max. memory is 16.1GB. * Witness Parser took 0.23ms. Allocated memory is still 90.2MB. Free memory was 56.8MB in the beginning and 56.6MB in the end (delta: 242.5kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 395.22ms. Allocated memory is still 90.2MB. Free memory was 54.6MB in the beginning and 65.2MB in the end (delta: -10.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Preprocessor took 78.38ms. Allocated memory is still 90.2MB. Free memory was 65.2MB in the beginning and 62.4MB in the end (delta: 2.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 5242.75ms. Allocated memory is still 90.2MB. Free memory was 62.4MB in the beginning and 43.1MB in the end (delta: 19.3MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * Referee took 374.04ms. Allocated memory is still 90.2MB. Free memory was 43.1MB in the beginning and 40.9MB in the end (delta: 2.2MB). Peak memory consumption was 10.6MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be incorrect! [2024-09-21 19:10:36,615 INFO L552 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/referee/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request...