This is Ultimate 0.2.4-tmp.dk.referee-eval-27b4987-m [2024-09-21 19:10:27,197 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-21 19:10:27,275 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Default.epf [2024-09-21 19:10:27,279 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-21 19:10:27,279 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-21 19:10:27,307 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-21 19:10:27,307 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-21 19:10:27,308 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-21 19:10:27,308 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-21 19:10:27,309 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-21 19:10:27,309 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-21 19:10:27,309 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-21 19:10:27,310 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-21 19:10:27,310 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-21 19:10:27,311 INFO L153 SettingsManager]: * Use SBE=true [2024-09-21 19:10:27,311 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-21 19:10:27,312 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-21 19:10:27,314 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-21 19:10:27,315 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-09-21 19:10:27,315 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-21 19:10:27,315 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-21 19:10:27,320 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-21 19:10:27,321 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-21 19:10:27,322 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-21 19:10:27,322 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-21 19:10:27,322 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-21 19:10:27,322 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-21 19:10:27,323 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-21 19:10:27,323 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-21 19:10:27,324 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-21 19:10:27,324 INFO L153 SettingsManager]: * Future-live optimization=false [2024-09-21 19:10:27,325 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-21 19:10:27,325 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-21 19:10:27,325 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-21 19:10:27,326 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-21 19:10:27,331 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-21 19:10:27,332 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-21 19:10:27,332 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-09-21 19:10:27,332 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-09-21 19:10:27,332 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-21 19:10:27,333 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-21 19:10:27,333 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-21 19:10:27,333 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-21 19:10:27,333 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None [2024-09-21 19:10:27,565 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-21 19:10:27,590 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-21 19:10:27,593 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-21 19:10:27,594 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-21 19:10:27,595 INFO L274 PluginConnector]: CDTParser initialized [2024-09-21 19:10:27,596 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/nla-digbench-scaling/knuth_valuebound20.i [2024-09-21 19:10:29,065 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-21 19:10:29,242 INFO L384 CDTParser]: Found 1 translation units. [2024-09-21 19:10:29,244 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench-scaling/knuth_valuebound20.i [2024-09-21 19:10:29,251 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/f15a899fc/771beecb2bc940438e381da9bd93bb14/FLAG2303685cc [2024-09-21 19:10:29,632 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/f15a899fc/771beecb2bc940438e381da9bd93bb14 [2024-09-21 19:10:29,634 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-21 19:10:29,634 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-21 19:10:29,635 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/cpachecker-verification-files/SV-COMP24_unreach-call/knuth_valuebound20.yml/output/witness-2.1.yml [2024-09-21 19:10:29,687 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-21 19:10:29,688 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-09-21 19:10:29,690 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-21 19:10:29,690 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-21 19:10:29,695 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-21 19:10:29,696 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 07:10:29" (1/2) ... [2024-09-21 19:10:29,697 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@ff781d0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 07:10:29, skipping insertion in model container [2024-09-21 19:10:29,697 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 07:10:29" (1/2) ... [2024-09-21 19:10:29,698 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@516fe64d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 07:10:29, skipping insertion in model container [2024-09-21 19:10:29,699 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 07:10:29" (2/2) ... [2024-09-21 19:10:29,699 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@ff781d0 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 21.09 07:10:29, skipping insertion in model container [2024-09-21 19:10:29,699 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 07:10:29" (2/2) ... [2024-09-21 19:10:29,708 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-21 19:10:29,709 INFO L1541 ArrayList]: Function contract at [L26]: requires 1, ensures 1 [2024-09-21 19:10:29,710 INFO L1541 ArrayList]: Function contract at [L15]: requires 1, ensures (!(1) || (1)) [2024-09-21 19:10:29,733 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-21 19:10:29,886 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_valuebound20.i[948,961] [2024-09-21 19:10:29,899 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$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2024-09-21 19:10:29,903 INFO L158 Benchmark]: Toolchain (without parser) took 214.42ms. Allocated memory is still 178.3MB. Free memory was 118.9MB in the beginning and 108.9MB in the end (delta: 10.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-09-21 19:10:29,904 INFO L158 Benchmark]: CDTParser took 0.19ms. Allocated memory is still 178.3MB. Free memory is still 143.4MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-21 19:10:29,904 INFO L158 Benchmark]: Witness Parser took 0.13ms. Allocated memory is still 178.3MB. Free memory is still 120.6MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-21 19:10:29,905 INFO L158 Benchmark]: CACSL2BoogieTranslator took 212.35ms. Allocated memory is still 178.3MB. Free memory was 118.5MB in the beginning and 108.9MB in the end (delta: 9.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-09-21 19:10:29,906 INFO L338 ainManager$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 178.3MB. Free memory is still 143.4MB. There was no memory consumed. Max. memory is 16.1GB. * Witness Parser took 0.13ms. Allocated memory is still 178.3MB. Free memory is still 120.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 212.35ms. Allocated memory is still 178.3MB. Free memory was 118.5MB in the beginning and 108.9MB in the end (delta: 9.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - ExceptionOrErrorResult: UnsupportedOperationException: floating point operation not supported in non-bitprecise translation: 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 19:10:31,974 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-21 19:10:32,057 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Bitvector.epf [2024-09-21 19:10:32,063 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-21 19:10:32,063 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-21 19:10:32,102 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-21 19:10:32,102 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-21 19:10:32,103 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-21 19:10:32,103 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-21 19:10:32,105 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-21 19:10:32,105 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-21 19:10:32,105 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-21 19:10:32,106 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-21 19:10:32,110 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-21 19:10:32,110 INFO L153 SettingsManager]: * Use SBE=true [2024-09-21 19:10:32,110 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-21 19:10:32,111 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-21 19:10:32,111 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-21 19:10:32,111 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-21 19:10:32,111 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-21 19:10:32,112 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-21 19:10:32,112 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-21 19:10:32,116 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-21 19:10:32,116 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-09-21 19:10:32,117 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-09-21 19:10:32,117 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-21 19:10:32,117 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-09-21 19:10:32,117 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-21 19:10:32,117 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-21 19:10:32,118 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-21 19:10:32,118 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-21 19:10:32,118 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-21 19:10:32,118 INFO L153 SettingsManager]: * Future-live optimization=false [2024-09-21 19:10:32,119 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-21 19:10:32,119 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-21 19:10:32,119 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-21 19:10:32,119 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-21 19:10:32,120 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-21 19:10:32,121 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-21 19:10:32,121 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-09-21 19:10:32,121 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-09-21 19:10:32,122 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-21 19:10:32,122 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-21 19:10:32,122 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-21 19:10:32,123 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-21 19:10:32,123 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2024-09-21 19:10:32,123 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None [2024-09-21 19:10:32,430 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-21 19:10:32,455 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-21 19:10:32,459 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-21 19:10:32,460 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-21 19:10:32,461 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-21 19:10:32,463 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/cpachecker-verification-files/SV-COMP24_unreach-call/knuth_valuebound20.yml/output/witness-2.1.yml [2024-09-21 19:10:32,510 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-21 19:10:32,511 INFO L274 PluginConnector]: CDTParser initialized [2024-09-21 19:10:32,511 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/nla-digbench-scaling/knuth_valuebound20.i [2024-09-21 19:10:34,209 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-21 19:10:34,405 INFO L384 CDTParser]: Found 1 translation units. [2024-09-21 19:10:34,406 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench-scaling/knuth_valuebound20.i [2024-09-21 19:10:34,413 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/fc9be98a1/d0c82ea4c2fb4f02951c85c2b32e73a4/FLAG7c833ac5f [2024-09-21 19:10:34,429 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/fc9be98a1/d0c82ea4c2fb4f02951c85c2b32e73a4 [2024-09-21 19:10:34,430 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-21 19:10:34,431 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-09-21 19:10:34,432 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-21 19:10:34,432 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-21 19:10:34,437 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-21 19:10:34,438 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 07:10:32" (1/2) ... [2024-09-21 19:10:34,439 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6fd216a6 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 21.09 07:10:34, skipping insertion in model container [2024-09-21 19:10:34,440 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 07:10:32" (1/2) ... [2024-09-21 19:10:34,442 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@6e78177b and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 21.09 07:10:34, skipping insertion in model container [2024-09-21 19:10:34,442 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 07:10:34" (2/2) ... [2024-09-21 19:10:34,443 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6fd216a6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 07:10:34, skipping insertion in model container [2024-09-21 19:10:34,443 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 07:10:34" (2/2) ... [2024-09-21 19:10:34,458 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-21 19:10:34,459 INFO L1541 ArrayList]: Function contract at [L26]: requires 1, ensures 1 [2024-09-21 19:10:34,459 INFO L1541 ArrayList]: Function contract at [L15]: requires 1, ensures (!(1) || (1)) [2024-09-21 19:10:34,482 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-21 19:10:34,671 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_valuebound20.i[948,961] [2024-09-21 19:10:34,718 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-21 19:10:34,738 INFO L200 MainTranslator]: Completed pre-run Start Parsing Global Start Parsing Global [2024-09-21 19:10:34,777 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_valuebound20.i[948,961] Start Parsing Global Start Parsing Global [2024-09-21 19:10:34,804 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-21 19:10:34,828 INFO L204 MainTranslator]: Completed translation [2024-09-21 19:10:34,830 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 07:10:34 WrapperNode [2024-09-21 19:10:34,830 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-21 19:10:34,831 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-21 19:10:34,831 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-21 19:10:34,831 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-21 19:10:34,843 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 07:10:34" (1/1) ... [2024-09-21 19:10:34,844 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 07:10:34" (1/1) ... [2024-09-21 19:10:34,857 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 07:10:34" (1/1) ... [2024-09-21 19:10:34,872 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 19:10:34,876 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 07:10:34" (1/1) ... [2024-09-21 19:10:34,876 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 07:10:34" (1/1) ... [2024-09-21 19:10:34,890 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 07:10:34" (1/1) ... [2024-09-21 19:10:34,898 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 07:10:34" (1/1) ... [2024-09-21 19:10:34,902 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 07:10:34" (1/1) ... [2024-09-21 19:10:34,906 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 07:10:34" (1/1) ... [2024-09-21 19:10:34,909 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-21 19:10:34,913 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-21 19:10:34,914 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-21 19:10:34,914 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-21 19:10:34,914 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 07:10:34" (1/1) ... [2024-09-21 19:10:34,922 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-21 19:10:34,931 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-09-21 19:10:34,947 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 19:10:34,955 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 19:10:34,999 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-09-21 19:10:35,000 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-21 19:10:35,000 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.setCurrentRoundingMode [2024-09-21 19:10:35,000 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-09-21 19:10:35,000 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-09-21 19:10:35,000 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-09-21 19:10:35,001 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-09-21 19:10:35,001 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-09-21 19:10:35,001 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-09-21 19:10:35,001 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_perror_fail [2024-09-21 19:10:35,001 INFO L130 BoogieDeclarations]: Found specification of procedure __assert [2024-09-21 19:10:35,001 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-09-21 19:10:35,002 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-21 19:10:35,002 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2024-09-21 19:10:35,002 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-09-21 19:10:35,002 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-09-21 19:10:35,002 INFO L130 BoogieDeclarations]: Found specification of procedure sqrt [2024-09-21 19:10:35,002 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-09-21 19:10:35,003 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-09-21 19:10:35,003 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-09-21 19:10:35,003 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-21 19:10:35,003 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.setCurrentRoundingMode [2024-09-21 19:10:35,003 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2024-09-21 19:10:35,003 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2024-09-21 19:10:35,004 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-09-21 19:10:35,088 INFO L242 CfgBuilder]: Building ICFG [2024-09-21 19:10:35,090 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-21 19:10:35,180 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-21 19:10:35,197 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-21 19:10:40,069 INFO L291 CfgBuilder]: Performing block encoding [2024-09-21 19:10:40,097 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-21 19:10:40,098 INFO L318 CfgBuilder]: Removed 2 assume(true) statements. [2024-09-21 19:10:40,098 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 07:10:40 BoogieIcfgContainer [2024-09-21 19:10:40,102 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-21 19:10:40,102 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-09-21 19:10:40,103 INFO L270 PluginConnector]: Initializing Referee... [2024-09-21 19:10:40,104 INFO L274 PluginConnector]: Referee initialized [2024-09-21 19:10:40,104 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 07:10:32" (1/4) ... [2024-09-21 19:10:40,106 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@3b81ab6e and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 21.09 07:10:40, skipping insertion in model container [2024-09-21 19:10:40,106 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 21.09 07:10:34" (2/4) ... [2024-09-21 19:10:40,106 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@3b81ab6e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 21.09 07:10:40, skipping insertion in model container [2024-09-21 19:10:40,107 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 07:10:34" (3/4) ... [2024-09-21 19:10:40,107 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@3b81ab6e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 21.09 07:10:40, skipping insertion in model container [2024-09-21 19:10:40,107 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 07:10:40" (4/4) ... [2024-09-21 19:10:40,109 INFO L79 RefereeObserver]: Analyzing ICFG knuth_valuebound20.i [2024-09-21 19:10:40,112 INFO L113 InvariantChecker]: Found 1 loops. [2024-09-21 19:10:40,113 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 19:10:40,114 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L58-2 to ERROR_LOC mainErr4ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 10 edges. [2024-09-21 19:10:40,114 INFO L373 InvariantChecker]: Will check inductivity from ENTRY mainENTRY to ERROR_LOC mainErr2REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 5 edges. [2024-09-21 19:10:40,114 INFO L373 InvariantChecker]: Will check inductivity from ENTRY mainENTRY to ERROR_LOC mainErr0REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 2 edges. [2024-09-21 19:10:40,114 INFO L373 InvariantChecker]: Will check inductivity from ENTRY mainENTRY to ERROR_LOC mainErr1REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 4 edges. [2024-09-21 19:10:40,115 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 19:10:40,115 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 19:10:40,115 INFO L373 InvariantChecker]: Will check inductivity from ENTRY mainENTRY to ERROR_LOC mainErr3REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 6 edges. [2024-09-21 19:10:40,115 INFO L131 InvariantChecker]: Will check 1 loop-free subgraphs from loop head to error location, 7 loop-free subgraphs from procedure entry to error location [2024-09-21 19:10:40,186 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 4 edges [2024-09-21 19:10:40,187 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 19:10:40,188 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 19:10:40,188 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 19:10:40,189 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 19:10:40,192 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:10:40,203 INFO L101 BaseMinimizeStates]: Removed 6 edges and 2 locations by large block encoding [2024-09-21 19:10:40,205 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:10:40,205 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 19:10:40,205 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 19:10:40,205 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 19:10:40,209 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 19:10:40,225 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 19:10:40,269 INFO L314 BlockEncoder]: Initial Icfg 9 locations, 10 edges [2024-09-21 19:10:40,269 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 19:10:40,270 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 19:10:40,270 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 19:10:40,270 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 19:10:40,271 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:10:40,274 INFO L101 BaseMinimizeStates]: Removed 18 edges and 7 locations by large block encoding [2024-09-21 19:10:40,275 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:10:40,275 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 19:10:40,275 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 19:10:40,275 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 19:10:40,276 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 19:10:40,277 INFO L520 InvariantChecker]: The annotation(s) from loop head L58-2 to error location mainErr4ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-21 19:10:40,299 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 5 edges [2024-09-21 19:10:40,302 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 19:10:40,302 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 19:10:40,303 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 19:10:40,303 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 19:10:40,303 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:10:40,304 INFO L101 BaseMinimizeStates]: Removed 8 edges and 4 locations by large block encoding [2024-09-21 19:10:40,304 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:10:40,304 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 19:10:40,305 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 19:10:40,305 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 19:10:40,305 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 19:10:40,309 INFO L520 InvariantChecker]: The annotation(s) from entry mainENTRY to error location mainErr2REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-21 19:10:40,334 INFO L314 BlockEncoder]: Initial Icfg 3 locations, 2 edges [2024-09-21 19:10:40,335 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 19:10:40,335 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 19:10:40,336 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 19:10:40,336 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 19:10:40,336 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:10:40,336 INFO L101 BaseMinimizeStates]: Removed 2 edges and 1 locations by large block encoding [2024-09-21 19:10:40,337 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:10:40,337 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 19:10:40,337 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 19:10:40,337 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 19:10:40,338 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 19:10:40,339 INFO L520 InvariantChecker]: The annotation(s) from entry mainENTRY to error location mainErr0REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-21 19:10:40,361 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 4 edges [2024-09-21 19:10:40,362 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 19:10:40,362 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 19:10:40,362 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 19:10:40,362 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 19:10:40,363 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:10:40,364 INFO L101 BaseMinimizeStates]: Removed 6 edges and 3 locations by large block encoding [2024-09-21 19:10:40,366 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:10:40,367 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 19:10:40,367 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 19:10:40,367 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 19:10:40,367 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 19:10:40,369 INFO L520 InvariantChecker]: The annotation(s) from entry mainENTRY to error location mainErr1REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-21 19:10:40,387 INFO L314 BlockEncoder]: Initial Icfg 3 locations, 2 edges [2024-09-21 19:10:40,387 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 19:10:40,387 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 19:10:40,387 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 19:10:40,388 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 19:10:40,388 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:10:40,388 INFO L101 BaseMinimizeStates]: Removed 2 edges and 1 locations by large block encoding [2024-09-21 19:10:40,388 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:10:40,389 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 19:10:40,389 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 19:10:40,389 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 19:10:40,389 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 19:10:40,391 INFO L520 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to error location ULTIMATE.startErr0REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-21 19:10:40,407 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-21 19:10:40,408 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 19:10:40,408 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 19:10:40,408 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 19:10:40,408 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 19:10:40,408 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:10:40,410 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-21 19:10:40,410 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:10:40,410 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 19:10:40,410 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 19:10:40,411 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 19:10:40,411 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 19:10:40,461 INFO L314 BlockEncoder]: Initial Icfg 7 locations, 6 edges [2024-09-21 19:10:40,461 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 19:10:40,461 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 19:10:40,461 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 19:10:40,462 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 19:10:40,462 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:10:40,464 INFO L101 BaseMinimizeStates]: Removed 10 edges and 5 locations by large block encoding [2024-09-21 19:10:40,464 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:10:40,464 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 19:10:40,464 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 19:10:40,464 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 19:10:40,464 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 19:10:40,466 INFO L520 InvariantChecker]: The annotation(s) from entry mainENTRY to error location mainErr3REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-21 19:10:40,473 INFO L58 RefereeStarter]: Annotation is not a valid proof of correctness. [2024-09-21 19:10:40,474 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@3b81ab6e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee CFG 21.09 07:10:40, skipping insertion in model container [2024-09-21 19:10:40,474 INFO L131 PluginConnector]: ------------------------ END Referee---------------------------- [2024-09-21 19:10:40,476 INFO L158 Benchmark]: Toolchain (without parser) took 6044.61ms. Allocated memory was 58.7MB in the beginning and 75.5MB in the end (delta: 16.8MB). Free memory was 28.9MB in the beginning and 44.9MB in the end (delta: -16.0MB). Peak memory consumption was 18.4MB. Max. memory is 16.1GB. [2024-09-21 19:10:40,477 INFO L158 Benchmark]: Witness Parser took 0.21ms. Allocated memory is still 44.0MB. Free memory is still 27.4MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-21 19:10:40,477 INFO L158 Benchmark]: CDTParser took 0.10ms. Allocated memory is still 44.0MB. Free memory was 25.4MB in the beginning and 25.3MB in the end (delta: 52.7kB). There was no memory consumed. Max. memory is 16.1GB. [2024-09-21 19:10:40,478 INFO L158 Benchmark]: CACSL2BoogieTranslator took 398.01ms. Allocated memory is still 58.7MB. Free memory was 28.8MB in the beginning and 29.2MB in the end (delta: -440.0kB). Peak memory consumption was 9.2MB. Max. memory is 16.1GB. [2024-09-21 19:10:40,478 INFO L158 Benchmark]: Boogie Preprocessor took 78.13ms. Allocated memory is still 58.7MB. Free memory was 29.2MB in the beginning and 26.3MB in the end (delta: 2.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-09-21 19:10:40,479 INFO L158 Benchmark]: RCFGBuilder took 5188.36ms. Allocated memory was 58.7MB in the beginning and 75.5MB in the end (delta: 16.8MB). Free memory was 26.3MB in the beginning and 40.6MB in the end (delta: -14.3MB). Peak memory consumption was 8.5MB. Max. memory is 16.1GB. [2024-09-21 19:10:40,479 INFO L158 Benchmark]: Referee took 372.03ms. Allocated memory is still 75.5MB. Free memory was 40.6MB in the beginning and 44.9MB in the end (delta: -4.3MB). Peak memory consumption was 13.2MB. Max. memory is 16.1GB. [2024-09-21 19:10:40,482 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 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 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 main to check that procedure precondition always holds at line 30. Annotation is valid for all loop-free paths from loop head at line 41 to exit of procedure main. 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 33. * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Witness Parser took 0.21ms. Allocated memory is still 44.0MB. Free memory is still 27.4MB. There was no memory consumed. Max. memory is 16.1GB. * CDTParser took 0.10ms. Allocated memory is still 44.0MB. Free memory was 25.4MB in the beginning and 25.3MB in the end (delta: 52.7kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 398.01ms. Allocated memory is still 58.7MB. Free memory was 28.8MB in the beginning and 29.2MB in the end (delta: -440.0kB). Peak memory consumption was 9.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 78.13ms. Allocated memory is still 58.7MB. Free memory was 29.2MB in the beginning and 26.3MB in the end (delta: 2.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 5188.36ms. Allocated memory was 58.7MB in the beginning and 75.5MB in the end (delta: 16.8MB). Free memory was 26.3MB in the beginning and 40.6MB in the end (delta: -14.3MB). Peak memory consumption was 8.5MB. Max. memory is 16.1GB. * Referee took 372.03ms. Allocated memory is still 75.5MB. Free memory was 40.6MB in the beginning and 44.9MB in the end (delta: -4.3MB). Peak memory consumption was 13.2MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be incorrect! [2024-09-21 19:10:40,703 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 [2024-09-21 19:10:40,705 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...