This is Ultimate 0.2.4-dev-5189fb6-m [2024-09-13 05:08:22,060 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-13 05:08:22,123 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Default.epf [2024-09-13 05:08:22,127 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-13 05:08:22,127 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-13 05:08:22,145 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-13 05:08:22,145 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-13 05:08:22,146 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-13 05:08:22,146 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-13 05:08:22,147 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-13 05:08:22,147 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-13 05:08:22,147 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-13 05:08:22,148 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-13 05:08:22,148 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-13 05:08:22,148 INFO L153 SettingsManager]: * Use SBE=true [2024-09-13 05:08:22,149 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-13 05:08:22,149 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-13 05:08:22,150 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-13 05:08:22,150 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-09-13 05:08:22,150 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-13 05:08:22,150 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-13 05:08:22,151 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-13 05:08:22,151 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-13 05:08:22,151 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-13 05:08:22,152 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-13 05:08:22,152 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-13 05:08:22,152 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-13 05:08:22,152 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-13 05:08:22,153 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-13 05:08:22,153 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-13 05:08:22,153 INFO L153 SettingsManager]: * Future-live optimization=false [2024-09-13 05:08:22,153 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-13 05:08:22,153 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-13 05:08:22,154 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-13 05:08:22,154 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-13 05:08:22,155 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-13 05:08:22,155 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-13 05:08:22,155 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-09-13 05:08:22,155 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-09-13 05:08:22,156 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-13 05:08:22,156 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-13 05:08:22,156 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-13 05:08:22,157 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-13 05:08:22,157 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None [2024-09-13 05:08:22,414 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-13 05:08:22,440 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-13 05:08:22,443 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-13 05:08:22,444 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-13 05:08:22,445 INFO L274 PluginConnector]: CDTParser initialized [2024-09-13 05:08:22,446 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/nla-digbench-scaling/knuth_valuebound1.i [2024-09-13 05:08:23,935 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-13 05:08:24,147 INFO L384 CDTParser]: Found 1 translation units. [2024-09-13 05:08:24,165 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench-scaling/knuth_valuebound1.i [2024-09-13 05:08:24,181 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/d8207e420/9a953fd96a604975800a0750d1974cb4/FLAG84226baa6 [2024-09-13 05:08:24,202 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/d8207e420/9a953fd96a604975800a0750d1974cb4 [2024-09-13 05:08:24,209 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-13 05:08:24,210 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-13 05:08:24,211 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/automizer-verification-files/SV-COMP24_unreach-call/knuth_valuebound1.yml/witness-2.1.yml [2024-09-13 05:08:24,265 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-13 05:08:24,266 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-09-13 05:08:24,268 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-13 05:08:24,269 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-13 05:08:24,273 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-13 05:08:24,274 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.09 05:08:24" (1/2) ... [2024-09-13 05:08:24,276 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@42764fe9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 05:08:24, skipping insertion in model container [2024-09-13 05:08:24,276 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.09 05:08:24" (1/2) ... [2024-09-13 05:08:24,277 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@77b39e7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 05:08:24, skipping insertion in model container [2024-09-13 05:08:24,278 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 13.09 05:08:24" (2/2) ... [2024-09-13 05:08:24,278 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@42764fe9 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 13.09 05:08:24, skipping insertion in model container [2024-09-13 05:08:24,278 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 13.09 05:08:24" (2/2) ... [2024-09-13 05:08:24,287 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-13 05:08:24,289 INFO L1541 ArrayList]: Loop invariant at [L41-L71] 0 [2024-09-13 05:08:24,290 INFO L1541 ArrayList]: Function contract at [L15]: requires null, ensures (0 != \old(cond)) [2024-09-13 05:08:24,290 INFO L1541 ArrayList]: Function contract at [L18]: requires 0, ensures 0 [2024-09-13 05:08:24,312 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-13 05:08:24,476 WARN L247 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_valuebound1.i[948,961] [2024-09-13 05:08:24,498 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:252) 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$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2024-09-13 05:08:24,505 INFO L158 Benchmark]: Toolchain (without parser) took 236.18ms. Allocated memory is still 146.8MB. Free memory was 114.0MB in the beginning and 103.9MB in the end (delta: 10.1MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2024-09-13 05:08:24,506 INFO L158 Benchmark]: CDTParser took 0.19ms. Allocated memory is still 146.8MB. Free memory is still 116.7MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-13 05:08:24,506 INFO L158 Benchmark]: Witness Parser took 0.13ms. Allocated memory is still 146.8MB. Free memory is still 116.1MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-13 05:08:24,507 INFO L158 Benchmark]: CACSL2BoogieTranslator took 233.03ms. Allocated memory is still 146.8MB. Free memory was 114.0MB in the beginning and 103.9MB in the end (delta: 10.1MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2024-09-13 05:08:24,508 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19ms. Allocated memory is still 146.8MB. Free memory is still 116.7MB. There was no memory consumed. Max. memory is 16.1GB. * Witness Parser took 0.13ms. Allocated memory is still 146.8MB. Free memory is still 116.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 233.03ms. Allocated memory is still 146.8MB. Free memory was 114.0MB in the beginning and 103.9MB 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-dev-5189fb6-m [2024-09-13 05:08:26,425 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-13 05:08:26,516 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Bitvector.epf [2024-09-13 05:08:26,524 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-13 05:08:26,524 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-13 05:08:26,561 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-13 05:08:26,562 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-13 05:08:26,562 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-13 05:08:26,563 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-13 05:08:26,564 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-13 05:08:26,565 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-13 05:08:26,565 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-13 05:08:26,566 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-13 05:08:26,567 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-13 05:08:26,570 INFO L153 SettingsManager]: * Use SBE=true [2024-09-13 05:08:26,570 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-13 05:08:26,571 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-13 05:08:26,571 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-13 05:08:26,571 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-13 05:08:26,571 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-13 05:08:26,572 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-13 05:08:26,572 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-13 05:08:26,573 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-13 05:08:26,573 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-09-13 05:08:26,573 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-09-13 05:08:26,573 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-13 05:08:26,573 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-09-13 05:08:26,574 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-13 05:08:26,574 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-13 05:08:26,574 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-13 05:08:26,574 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-13 05:08:26,575 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-13 05:08:26,575 INFO L153 SettingsManager]: * Future-live optimization=false [2024-09-13 05:08:26,575 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-13 05:08:26,575 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-13 05:08:26,576 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-13 05:08:26,578 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-13 05:08:26,579 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-13 05:08:26,580 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-13 05:08:26,580 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-09-13 05:08:26,580 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-09-13 05:08:26,581 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-13 05:08:26,581 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-13 05:08:26,581 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-13 05:08:26,581 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-13 05:08:26,581 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2024-09-13 05:08:26,582 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None [2024-09-13 05:08:26,897 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-13 05:08:26,916 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-13 05:08:26,920 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-13 05:08:26,922 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-13 05:08:26,923 INFO L274 PluginConnector]: CDTParser initialized [2024-09-13 05:08:26,925 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/nla-digbench-scaling/knuth_valuebound1.i [2024-09-13 05:08:28,451 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-13 05:08:28,655 INFO L384 CDTParser]: Found 1 translation units. [2024-09-13 05:08:28,656 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench-scaling/knuth_valuebound1.i [2024-09-13 05:08:28,667 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/66d9d3f99/010da88d7a824bfb91d68870fa5b0824/FLAG1cd74af34 [2024-09-13 05:08:29,025 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/66d9d3f99/010da88d7a824bfb91d68870fa5b0824 [2024-09-13 05:08:29,028 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-13 05:08:29,029 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-13 05:08:29,031 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/automizer-verification-files/SV-COMP24_unreach-call/knuth_valuebound1.yml/witness-2.1.yml [2024-09-13 05:08:29,085 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-13 05:08:29,087 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-09-13 05:08:29,089 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-13 05:08:29,089 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-13 05:08:29,094 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-13 05:08:29,095 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.09 05:08:29" (1/2) ... [2024-09-13 05:08:29,096 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@33cd8f71 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 05:08:29, skipping insertion in model container [2024-09-13 05:08:29,098 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.09 05:08:29" (1/2) ... [2024-09-13 05:08:29,099 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@54f3602b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 05:08:29, skipping insertion in model container [2024-09-13 05:08:29,100 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 13.09 05:08:29" (2/2) ... [2024-09-13 05:08:29,100 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@33cd8f71 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 13.09 05:08:29, skipping insertion in model container [2024-09-13 05:08:29,100 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 13.09 05:08:29" (2/2) ... [2024-09-13 05:08:29,111 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-13 05:08:29,112 INFO L1541 ArrayList]: Loop invariant at [L41-L71] 0 [2024-09-13 05:08:29,112 INFO L1541 ArrayList]: Function contract at [L15]: requires null, ensures (0 != \old(cond)) [2024-09-13 05:08:29,112 INFO L1541 ArrayList]: Function contract at [L18]: requires 0, ensures 0 [2024-09-13 05:08:29,135 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-13 05:08:29,306 WARN L247 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_valuebound1.i[948,961] [2024-09-13 05:08:29,360 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-13 05:08:29,375 INFO L200 MainTranslator]: Completed pre-run Start Parsing Global Start Parsing Global Start Parsing Global [2024-09-13 05:08:29,419 WARN L247 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_valuebound1.i[948,961] Start Parsing Local [2024-09-13 05:08:29,443 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-13 05:08:29,463 INFO L204 MainTranslator]: Completed translation [2024-09-13 05:08:29,464 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 13.09 05:08:29 WrapperNode [2024-09-13 05:08:29,464 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-13 05:08:29,466 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-13 05:08:29,466 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-13 05:08:29,466 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-13 05:08:29,479 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 13.09 05:08:29" (1/1) ... [2024-09-13 05:08:29,480 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 13.09 05:08:29" (1/1) ... [2024-09-13 05:08:29,494 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 13.09 05:08:29" (1/1) ... [2024-09-13 05:08:29,513 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 [2024-09-13 05:08:29,513 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 13.09 05:08:29" (1/1) ... [2024-09-13 05:08:29,514 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 13.09 05:08:29" (1/1) ... [2024-09-13 05:08:29,530 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 13.09 05:08:29" (1/1) ... [2024-09-13 05:08:29,537 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 13.09 05:08:29" (1/1) ... [2024-09-13 05:08:29,541 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 13.09 05:08:29" (1/1) ... [2024-09-13 05:08:29,559 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 13.09 05:08:29" (1/1) ... [2024-09-13 05:08:29,563 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-13 05:08:29,564 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-13 05:08:29,565 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-13 05:08:29,565 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-13 05:08:29,565 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 13.09 05:08:29" (1/1) ... [2024-09-13 05:08:29,570 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-13 05:08:29,578 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-09-13 05:08:29,593 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) [2024-09-13 05:08:29,599 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 [2024-09-13 05:08:29,641 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-09-13 05:08:29,641 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-13 05:08:29,641 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.setCurrentRoundingMode [2024-09-13 05:08:29,641 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-09-13 05:08:29,641 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-09-13 05:08:29,642 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-09-13 05:08:29,642 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-09-13 05:08:29,642 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-09-13 05:08:29,642 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-09-13 05:08:29,642 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_perror_fail [2024-09-13 05:08:29,642 INFO L130 BoogieDeclarations]: Found specification of procedure __assert [2024-09-13 05:08:29,642 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-09-13 05:08:29,642 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-13 05:08:29,642 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2024-09-13 05:08:29,643 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-09-13 05:08:29,643 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-09-13 05:08:29,643 INFO L130 BoogieDeclarations]: Found specification of procedure sqrt [2024-09-13 05:08:29,643 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-09-13 05:08:29,643 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-09-13 05:08:29,643 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-09-13 05:08:29,643 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-13 05:08:29,643 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.setCurrentRoundingMode [2024-09-13 05:08:29,643 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2024-09-13 05:08:29,643 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2024-09-13 05:08:29,643 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-09-13 05:08:29,733 INFO L242 CfgBuilder]: Building ICFG [2024-09-13 05:08:29,735 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-13 05:08:34,486 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-13 05:08:34,606 INFO L291 CfgBuilder]: Performing block encoding [2024-09-13 05:08:34,633 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-13 05:08:34,633 INFO L318 CfgBuilder]: Removed 1 assume(true) statements. [2024-09-13 05:08:34,633 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.09 05:08:34 BoogieIcfgContainer [2024-09-13 05:08:34,633 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-13 05:08:34,634 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-09-13 05:08:34,634 INFO L270 PluginConnector]: Initializing Referee... [2024-09-13 05:08:34,635 INFO L274 PluginConnector]: Referee initialized [2024-09-13 05:08:34,635 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 13.09 05:08:29" (1/4) ... [2024-09-13 05:08:34,635 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@25451cc9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 13.09 05:08:34, skipping insertion in model container [2024-09-13 05:08:34,635 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 13.09 05:08:29" (2/4) ... [2024-09-13 05:08:34,635 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@25451cc9 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 13.09 05:08:34, skipping insertion in model container [2024-09-13 05:08:34,636 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 13.09 05:08:29" (3/4) ... [2024-09-13 05:08:34,636 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@25451cc9 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 13.09 05:08:34, skipping insertion in model container [2024-09-13 05:08:34,636 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.09 05:08:34" (4/4) ... [2024-09-13 05:08:34,641 INFO L79 RefereeObserver]: Analyzing ICFG knuth_valuebound1.i [2024-09-13 05:08:34,648 INFO L112 InvariantChecker]: Found 1 loops. [2024-09-13 05:08:34,649 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC assume_abort_if_notErr0ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 4 edges. [2024-09-13 05:08:34,649 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L58-2 to ERROR_LOC mainErr2REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 4 edges. [2024-09-13 05:08:34,649 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L58-2 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 14 edges. [2024-09-13 05:08:34,650 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 8 edges. [2024-09-13 05:08:34,650 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L58-2 to ERROR_LOC mainErr1REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 3 edges. [2024-09-13 05:08:34,650 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L58-2 to ERROR_LOC mainErr4REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 6 edges. [2024-09-13 05:08:34,652 INFO L367 InvariantChecker]: Will check inductivity from ENTRY __VERIFIER_assertENTRY to ERROR_LOC __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 5 edges. [2024-09-13 05:08:34,653 INFO L367 InvariantChecker]: Will check inductivity from ENTRY __VERIFIER_assertENTRY to ERROR_LOC __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 3 edges. [2024-09-13 05:08:34,653 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L58-2 to ERROR_LOC mainErr3REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 5 edges. [2024-09-13 05:08:34,653 INFO L130 InvariantChecker]: Will check 1 loop-free subgraphs from procedure entry to loop head, 3 loop-free subgraphs from procedure entry to error location, 4 loop-free subgraphs from loop head to error location, 1 loop-free subgraphs from loop head to loop head [2024-09-13 05:08:34,721 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 4 edges [2024-09-13 05:08:34,722 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 05:08:34,722 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 05:08:34,722 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 05:08:34,723 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 05:08:34,724 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:08:34,733 INFO L101 BaseMinimizeStates]: Removed 6 edges and 2 locations by large block encoding [2024-09-13 05:08:34,734 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:08:34,734 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 05:08:34,734 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 05:08:34,734 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 05:08:34,741 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 05:08:34,760 INFO L514 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to error location assume_abort_if_notErr0ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-13 05:08:34,784 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 4 edges [2024-09-13 05:08:34,784 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 05:08:34,785 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 05:08:34,785 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 05:08:34,785 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 05:08:34,785 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:08:34,786 INFO L101 BaseMinimizeStates]: Removed 6 edges and 3 locations by large block encoding [2024-09-13 05:08:34,786 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:08:34,786 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 05:08:34,786 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 05:08:34,786 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 05:08:34,787 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 05:08:34,788 INFO L514 InvariantChecker]: The annotation(s) from loop head L58-2 to error location mainErr2REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-13 05:08:34,825 INFO L314 BlockEncoder]: Initial Icfg 12 locations, 14 edges [2024-09-13 05:08:34,828 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 05:08:34,828 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 05:08:34,828 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 05:08:34,829 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 05:08:34,830 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:08:34,847 INFO L101 BaseMinimizeStates]: Removed 26 edges and 10 locations by large block encoding [2024-09-13 05:08:34,847 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:08:34,848 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 05:08:34,848 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 05:08:34,848 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 05:08:34,849 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 05:08:34,851 INFO L514 InvariantChecker]: The annotation(s) from loop head L58-2 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-13 05:08:34,878 INFO L314 BlockEncoder]: Initial Icfg 9 locations, 8 edges [2024-09-13 05:08:34,880 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 05:08:34,880 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 05:08:34,881 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 05:08:34,881 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 05:08:34,881 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:08:34,894 INFO L101 BaseMinimizeStates]: Removed 14 edges and 7 locations by large block encoding [2024-09-13 05:08:34,894 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:08:34,894 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 05:08:34,894 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 05:08:34,894 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 05:08:34,895 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 05:08:35,597 INFO L514 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-13 05:08:35,843 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-13 05:08:35,843 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 05:08:35,844 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 05:08:35,844 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 05:08:35,844 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 05:08:35,844 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:08:35,845 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-13 05:08:35,845 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:08:35,845 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 05:08:35,845 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 05:08:35,845 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 05:08:35,846 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 05:08:35,850 INFO L514 InvariantChecker]: The annotation(s) from loop head L58-2 to error location mainErr1REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-13 05:08:35,865 INFO L314 BlockEncoder]: Initial Icfg 7 locations, 6 edges [2024-09-13 05:08:35,865 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 05:08:35,865 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 05:08:35,865 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 05:08:35,870 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 05:08:35,870 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:08:35,872 INFO L101 BaseMinimizeStates]: Removed 10 edges and 5 locations by large block encoding [2024-09-13 05:08:35,872 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:08:35,872 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 05:08:35,872 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 05:08:35,872 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 05:08:35,872 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 05:08:35,875 INFO L514 InvariantChecker]: The annotation(s) from loop head L58-2 to error location mainErr4REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-13 05:08:35,889 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 5 edges [2024-09-13 05:08:35,889 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 05:08:35,889 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 05:08:35,889 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 05:08:35,889 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 05:08:35,889 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:08:35,890 INFO L101 BaseMinimizeStates]: Removed 8 edges and 3 locations by large block encoding [2024-09-13 05:08:35,891 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:08:35,891 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 05:08:35,891 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 05:08:35,891 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 05:08:35,893 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 05:08:35,896 INFO L514 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-13 05:08:35,911 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-13 05:08:35,912 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 05:08:35,912 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 05:08:35,914 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 05:08:35,914 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 05:08:35,914 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:08:35,915 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-13 05:08:35,916 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:08:35,916 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 05:08:35,917 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 05:08:35,917 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 05:08:35,917 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 05:08:35,918 INFO L514 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION is inductive. [2024-09-13 05:08:35,932 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 5 edges [2024-09-13 05:08:35,934 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 05:08:35,934 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 05:08:35,934 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 05:08:35,934 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 05:08:35,934 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:08:35,935 INFO L101 BaseMinimizeStates]: Removed 8 edges and 4 locations by large block encoding [2024-09-13 05:08:35,935 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:08:35,935 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 05:08:35,935 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 05:08:35,935 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 05:08:35,936 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 05:08:35,937 INFO L514 InvariantChecker]: The annotation(s) from loop head L58-2 to error location mainErr3REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-13 05:08:35,940 INFO L58 RefereeStarter]: Annotation is a valid proof of correctness. [2024-09-13 05:08:35,940 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@25451cc9 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CFG 13.09 05:08:35, skipping insertion in model container [2024-09-13 05:08:35,940 INFO L131 PluginConnector]: ------------------------ END Referee---------------------------- [2024-09-13 05:08:35,943 INFO L158 Benchmark]: Toolchain (without parser) took 6854.29ms. Allocated memory is still 83.9MB. Free memory was 59.4MB in the beginning and 47.8MB in the end (delta: 11.6MB). Peak memory consumption was 29.0MB. Max. memory is 16.1GB. [2024-09-13 05:08:35,944 INFO L158 Benchmark]: CDTParser took 0.24ms. Allocated memory is still 56.6MB. Free memory was 28.7MB in the beginning and 28.7MB in the end (delta: 73.4kB). There was no memory consumed. Max. memory is 16.1GB. [2024-09-13 05:08:35,944 INFO L158 Benchmark]: Witness Parser took 0.19ms. Allocated memory is still 83.9MB. Free memory is still 61.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-13 05:08:35,945 INFO L158 Benchmark]: CACSL2BoogieTranslator took 375.88ms. Allocated memory is still 83.9MB. Free memory was 59.1MB in the beginning and 43.4MB in the end (delta: 15.8MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-09-13 05:08:35,946 INFO L158 Benchmark]: Boogie Preprocessor took 97.66ms. Allocated memory is still 83.9MB. Free memory was 43.4MB in the beginning and 64.0MB in the end (delta: -20.6MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2024-09-13 05:08:35,947 INFO L158 Benchmark]: RCFGBuilder took 5069.49ms. Allocated memory is still 83.9MB. Free memory was 64.0MB in the beginning and 44.7MB in the end (delta: 19.2MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2024-09-13 05:08:35,948 INFO L158 Benchmark]: Referee took 1306.57ms. Allocated memory is still 83.9MB. Free memory was 44.7MB in the beginning and 48.3MB in the end (delta: -3.6MB). Peak memory consumption was 14.5MB. Max. memory is 16.1GB. [2024-09-13 05:08:35,951 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.referee: - AnnotationCheckResult: Annotation is a valid proof of correctness. Annotation is a valid proof of correctness. 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 __VERIFIER_assert to exit of procedure __VERIFIER_assert. Annotation is valid for all loop-free paths from loop head at line 41 to check that procedure precondition always holds at line 42. Annotation is valid for all loop-free paths from loop head at line 41 to check that procedure precondition always holds at line 43. Annotation is valid for all loop-free paths from loop head at line 41 to check that procedure precondition always holds at line 42. Annotation is 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. Annotation is valid for all loop-free paths from entry of procedure main to loop head at line 41. Annotation is valid for all loop-free paths from loop head at line 41 to check that procedure precondition always holds at line 44. Annotation is valid for all loop-free paths from loop head at line 41 to loop head at line 41. * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24ms. Allocated memory is still 56.6MB. Free memory was 28.7MB in the beginning and 28.7MB in the end (delta: 73.4kB). There was no memory consumed. Max. memory is 16.1GB. * Witness Parser took 0.19ms. Allocated memory is still 83.9MB. Free memory is still 61.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 375.88ms. Allocated memory is still 83.9MB. Free memory was 59.1MB in the beginning and 43.4MB in the end (delta: 15.8MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Preprocessor took 97.66ms. Allocated memory is still 83.9MB. Free memory was 43.4MB in the beginning and 64.0MB in the end (delta: -20.6MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * RCFGBuilder took 5069.49ms. Allocated memory is still 83.9MB. Free memory was 64.0MB in the beginning and 44.7MB in the end (delta: 19.2MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * Referee took 1306.57ms. Allocated memory is still 83.9MB. Free memory was 44.7MB in the beginning and 48.3MB in the end (delta: -3.6MB). Peak memory consumption was 14.5MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-09-13 05:08:36,170 WARN L435 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/referee/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forcibly destroying the process [2024-09-13 05:08:36,175 INFO L540 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/referee/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...