This is Ultimate 0.2.4-dev-1d5fa63-m [2024-09-13 10:09:51,840 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-13 10:09:51,891 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Default.epf [2024-09-13 10:09:51,896 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-13 10:09:51,897 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-13 10:09:51,921 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-13 10:09:51,922 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-13 10:09:51,923 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-13 10:09:51,923 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-13 10:09:51,924 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-13 10:09:51,925 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-13 10:09:51,925 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-13 10:09:51,926 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-13 10:09:51,927 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-13 10:09:51,927 INFO L153 SettingsManager]: * Use SBE=true [2024-09-13 10:09:51,927 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-13 10:09:51,928 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-13 10:09:51,928 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-13 10:09:51,928 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-09-13 10:09:51,928 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-13 10:09:51,928 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-13 10:09:51,929 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-13 10:09:51,930 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-13 10:09:51,931 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-13 10:09:51,931 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-13 10:09:51,931 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-13 10:09:51,931 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-13 10:09:51,931 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-13 10:09:51,932 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-13 10:09:51,932 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-13 10:09:51,932 INFO L153 SettingsManager]: * Future-live optimization=false [2024-09-13 10:09:51,932 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-13 10:09:51,932 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-13 10:09:51,932 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-13 10:09:51,933 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-13 10:09:51,933 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-13 10:09:51,933 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-13 10:09:51,933 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-09-13 10:09:51,933 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-09-13 10:09:51,933 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-13 10:09:51,933 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-13 10:09:51,935 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-13 10:09:51,935 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-13 10:09:51,935 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None [2024-09-13 10:09:52,223 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-13 10:09:52,253 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-13 10:09:52,256 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-13 10:09:52,256 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-13 10:09:52,257 INFO L274 PluginConnector]: CDTParser initialized [2024-09-13 10:09:52,258 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/nla-digbench-scaling/knuth_valuebound1.i [2024-09-13 10:09:53,661 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-13 10:09:53,816 INFO L384 CDTParser]: Found 1 translation units. [2024-09-13 10:09:53,816 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench-scaling/knuth_valuebound1.i [2024-09-13 10:09:53,822 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/65186fb00/9c8294ce45264b2a960ccb33bbae2d50/FLAG22b0e4d34 [2024-09-13 10:09:54,225 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/65186fb00/9c8294ce45264b2a960ccb33bbae2d50 [2024-09-13 10:09:54,229 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-13 10:09:54,230 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-13 10:09:54,231 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/automizer-verification-files/SV-COMP24_unreach-call/knuth_valuebound1.yml/witness-2.1.yml [2024-09-13 10:09:54,271 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-13 10:09:54,272 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-09-13 10:09:54,274 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-13 10:09:54,274 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-13 10:09:54,278 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-13 10:09:54,279 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.09 10:09:54" (1/2) ... [2024-09-13 10:09:54,281 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1fab7e08 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 10:09:54, skipping insertion in model container [2024-09-13 10:09:54,281 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.09 10:09:54" (1/2) ... [2024-09-13 10:09:54,283 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@37466d2b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 10:09:54, skipping insertion in model container [2024-09-13 10:09:54,283 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 10:09:54" (2/2) ... [2024-09-13 10:09:54,283 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1fab7e08 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 13.09 10:09:54, skipping insertion in model container [2024-09-13 10:09:54,283 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 10:09:54" (2/2) ... [2024-09-13 10:09:54,292 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-13 10:09:54,292 INFO L1541 ArrayList]: Loop invariant at [L41-L71] 0 [2024-09-13 10:09:54,293 INFO L1541 ArrayList]: Function contract at [L18]: requires 0, ensures 0 [2024-09-13 10:09:54,293 INFO L1541 ArrayList]: Function contract at [L15]: requires null, ensures (0 != \old(cond)) [2024-09-13 10:09:54,310 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-13 10:09:54,546 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 10:09:54,565 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$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2024-09-13 10:09:54,571 INFO L158 Benchmark]: Toolchain (without parser) took 297.67ms. Allocated memory is still 180.4MB. Free memory was 108.0MB in the beginning and 145.9MB in the end (delta: -37.9MB). Peak memory consumption was 7.8MB. Max. memory is 16.1GB. [2024-09-13 10:09:54,571 INFO L158 Benchmark]: CDTParser took 0.14ms. Allocated memory is still 180.4MB. Free memory is still 139.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-13 10:09:54,571 INFO L158 Benchmark]: Witness Parser took 0.86ms. Allocated memory is still 180.4MB. Free memory is still 109.9MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-13 10:09:54,572 INFO L158 Benchmark]: CACSL2BoogieTranslator took 295.31ms. Allocated memory is still 180.4MB. Free memory was 107.8MB in the beginning and 145.9MB in the end (delta: -38.1MB). Peak memory consumption was 7.8MB. Max. memory is 16.1GB. [2024-09-13 10:09:54,574 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14ms. Allocated memory is still 180.4MB. Free memory is still 139.2MB. There was no memory consumed. Max. memory is 16.1GB. * Witness Parser took 0.86ms. Allocated memory is still 180.4MB. Free memory is still 109.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 295.31ms. Allocated memory is still 180.4MB. Free memory was 107.8MB in the beginning and 145.9MB in the end (delta: -38.1MB). Peak memory consumption was 7.8MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - ExceptionOrErrorResult: UnsupportedOperationException: floating point operation not supported in non-bitprecise translation: 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-1d5fa63-m [2024-09-13 10:09:56,462 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-13 10:09:56,517 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Bitvector.epf [2024-09-13 10:09:56,520 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-13 10:09:56,520 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-13 10:09:56,544 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-13 10:09:56,546 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-13 10:09:56,546 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-13 10:09:56,547 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-13 10:09:56,547 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-13 10:09:56,547 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-13 10:09:56,547 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-13 10:09:56,548 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-13 10:09:56,548 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-13 10:09:56,548 INFO L153 SettingsManager]: * Use SBE=true [2024-09-13 10:09:56,548 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-13 10:09:56,549 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-13 10:09:56,549 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-13 10:09:56,557 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-13 10:09:56,561 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-13 10:09:56,561 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-13 10:09:56,562 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-13 10:09:56,562 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-13 10:09:56,562 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-09-13 10:09:56,562 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-09-13 10:09:56,562 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-13 10:09:56,563 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-09-13 10:09:56,563 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-13 10:09:56,563 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-13 10:09:56,563 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-13 10:09:56,564 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-13 10:09:56,564 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-13 10:09:56,564 INFO L153 SettingsManager]: * Future-live optimization=false [2024-09-13 10:09:56,564 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-13 10:09:56,564 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-13 10:09:56,564 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-13 10:09:56,565 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-13 10:09:56,565 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-13 10:09:56,571 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-13 10:09:56,572 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-09-13 10:09:56,572 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-09-13 10:09:56,572 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-13 10:09:56,572 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-13 10:09:56,572 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-13 10:09:56,572 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-13 10:09:56,573 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2024-09-13 10:09:56,573 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None [2024-09-13 10:09:56,998 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-13 10:09:57,016 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-13 10:09:57,019 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-13 10:09:57,020 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-13 10:09:57,020 INFO L274 PluginConnector]: CDTParser initialized [2024-09-13 10:09:57,022 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/nla-digbench-scaling/knuth_valuebound1.i [2024-09-13 10:09:58,290 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-13 10:09:58,473 INFO L384 CDTParser]: Found 1 translation units. [2024-09-13 10:09:58,473 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench-scaling/knuth_valuebound1.i [2024-09-13 10:09:58,481 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/d8b3f44c8/c5b6c94a76d24d5ca3d9fac102b335af/FLAG9ff111aac [2024-09-13 10:09:58,883 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/d8b3f44c8/c5b6c94a76d24d5ca3d9fac102b335af [2024-09-13 10:09:58,886 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-13 10:09:58,887 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-13 10:09:58,887 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/automizer-verification-files/SV-COMP24_unreach-call/knuth_valuebound1.yml/witness-2.1.yml [2024-09-13 10:09:58,926 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-13 10:09:58,927 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-09-13 10:09:58,928 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-13 10:09:58,929 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-13 10:09:58,932 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-13 10:09:58,933 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.09 10:09:58" (1/2) ... [2024-09-13 10:09:58,933 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1c4dbba1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 10:09:58, skipping insertion in model container [2024-09-13 10:09:58,934 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.09 10:09:58" (1/2) ... [2024-09-13 10:09:58,935 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@135490ba and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 10:09:58, skipping insertion in model container [2024-09-13 10:09:58,937 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 10:09:58" (2/2) ... [2024-09-13 10:09:58,938 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1c4dbba1 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 13.09 10:09:58, skipping insertion in model container [2024-09-13 10:09:58,938 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 10:09:58" (2/2) ... [2024-09-13 10:09:58,944 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-13 10:09:58,946 INFO L1541 ArrayList]: Loop invariant at [L41-L71] 0 [2024-09-13 10:09:58,946 INFO L1541 ArrayList]: Function contract at [L18]: requires 0, ensures 0 [2024-09-13 10:09:58,946 INFO L1541 ArrayList]: Function contract at [L15]: requires null, ensures (0 != \old(cond)) [2024-09-13 10:09:58,963 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-13 10:09:59,096 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 10:09:59,133 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-13 10:09:59,145 INFO L200 MainTranslator]: Completed pre-run Start Parsing Global Start Parsing Global Start Parsing Global [2024-09-13 10:09:59,184 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 10:09:59,205 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-13 10:09:59,220 INFO L204 MainTranslator]: Completed translation [2024-09-13 10:09:59,220 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 13.09 10:09:59 WrapperNode [2024-09-13 10:09:59,221 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-13 10:09:59,222 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-13 10:09:59,222 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-13 10:09:59,222 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-13 10:09:59,230 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 10:09:59" (1/1) ... [2024-09-13 10:09:59,231 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 10:09:59" (1/1) ... [2024-09-13 10:09:59,239 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 10:09:59" (1/1) ... [2024-09-13 10:09:59,248 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 10:09:59,248 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 10:09:59" (1/1) ... [2024-09-13 10:09:59,248 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 10:09:59" (1/1) ... [2024-09-13 10:09:59,261 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 10:09:59" (1/1) ... [2024-09-13 10:09:59,263 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 10:09:59" (1/1) ... [2024-09-13 10:09:59,266 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 10:09:59" (1/1) ... [2024-09-13 10:09:59,267 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 10:09:59" (1/1) ... [2024-09-13 10:09:59,271 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-13 10:09:59,276 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-13 10:09:59,276 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-13 10:09:59,276 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-13 10:09:59,276 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 10:09:59" (1/1) ... [2024-09-13 10:09:59,281 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-13 10:09:59,286 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-09-13 10:09:59,297 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 10:09:59,299 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 10:09:59,335 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-09-13 10:09:59,335 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-13 10:09:59,335 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.setCurrentRoundingMode [2024-09-13 10:09:59,335 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-09-13 10:09:59,335 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-09-13 10:09:59,335 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-09-13 10:09:59,335 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-09-13 10:09:59,336 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-09-13 10:09:59,336 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-09-13 10:09:59,336 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_perror_fail [2024-09-13 10:09:59,336 INFO L130 BoogieDeclarations]: Found specification of procedure __assert [2024-09-13 10:09:59,336 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-09-13 10:09:59,336 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-13 10:09:59,336 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2024-09-13 10:09:59,336 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-09-13 10:09:59,337 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-09-13 10:09:59,337 INFO L130 BoogieDeclarations]: Found specification of procedure sqrt [2024-09-13 10:09:59,337 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-09-13 10:09:59,337 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-09-13 10:09:59,337 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-09-13 10:09:59,337 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-13 10:09:59,338 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.setCurrentRoundingMode [2024-09-13 10:09:59,338 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2024-09-13 10:09:59,338 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2024-09-13 10:09:59,338 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-09-13 10:09:59,413 INFO L242 CfgBuilder]: Building ICFG [2024-09-13 10:09:59,415 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-13 10:10:04,062 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-13 10:10:04,198 INFO L291 CfgBuilder]: Performing block encoding [2024-09-13 10:10:04,237 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-13 10:10:04,241 INFO L318 CfgBuilder]: Removed 1 assume(true) statements. [2024-09-13 10:10:04,241 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.09 10:10:04 BoogieIcfgContainer [2024-09-13 10:10:04,241 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-13 10:10:04,242 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-09-13 10:10:04,242 INFO L270 PluginConnector]: Initializing Referee... [2024-09-13 10:10:04,242 INFO L274 PluginConnector]: Referee initialized [2024-09-13 10:10:04,242 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 13.09 10:09:58" (1/4) ... [2024-09-13 10:10:04,243 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@4c3c91e0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 13.09 10:10:04, skipping insertion in model container [2024-09-13 10:10:04,243 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 10:09:58" (2/4) ... [2024-09-13 10:10:04,248 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@4c3c91e0 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 13.09 10:10:04, skipping insertion in model container [2024-09-13 10:10:04,248 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 10:09:59" (3/4) ... [2024-09-13 10:10:04,249 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@4c3c91e0 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 13.09 10:10:04, skipping insertion in model container [2024-09-13 10:10:04,249 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 10:10:04" (4/4) ... [2024-09-13 10:10:04,250 INFO L79 RefereeObserver]: Analyzing ICFG knuth_valuebound1.i [2024-09-13 10:10:04,254 INFO L112 InvariantChecker]: Found 1 loops. [2024-09-13 10:10:04,258 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 10:10:04,258 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 10:10:04,259 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 10:10:04,259 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 10:10:04,259 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 10:10:04,259 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 10:10:04,259 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 10:10:04,259 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 10:10:04,259 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 10:10:04,259 INFO L130 InvariantChecker]: Will check 4 loop-free subgraphs from loop head to error location, 1 loop-free subgraphs from loop head to loop head, 1 loop-free subgraphs from procedure entry to loop head, 3 loop-free subgraphs from procedure entry to error location [2024-09-13 10:10:04,351 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 4 edges [2024-09-13 10:10:04,354 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 10:10:04,354 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 10:10:04,354 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 10:10:04,355 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 10:10:04,360 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:10:04,374 INFO L101 BaseMinimizeStates]: Removed 6 edges and 2 locations by large block encoding [2024-09-13 10:10:04,379 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:10:04,379 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 10:10:04,379 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 10:10:04,379 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 10:10:04,386 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 10:10:04,407 INFO L514 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to error location assume_abort_if_notErr0ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-13 10:10:04,437 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 4 edges [2024-09-13 10:10:04,437 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 10:10:04,437 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 10:10:04,437 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 10:10:04,437 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 10:10:04,437 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:10:04,438 INFO L101 BaseMinimizeStates]: Removed 6 edges and 3 locations by large block encoding [2024-09-13 10:10:04,438 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:10:04,438 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 10:10:04,439 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 10:10:04,439 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 10:10:04,439 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 10:10:04,447 INFO L514 InvariantChecker]: The annotation(s) from loop head L58-2 to error location mainErr2REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-13 10:10:04,487 INFO L314 BlockEncoder]: Initial Icfg 12 locations, 14 edges [2024-09-13 10:10:04,487 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 10:10:04,488 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 10:10:04,488 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 10:10:04,488 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 10:10:04,488 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:10:04,509 INFO L101 BaseMinimizeStates]: Removed 26 edges and 10 locations by large block encoding [2024-09-13 10:10:04,510 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:10:04,510 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 10:10:04,510 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 10:10:04,510 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 10:10:04,516 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 10:10:04,517 INFO L514 InvariantChecker]: The annotation(s) from loop head L58-2 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-13 10:10:04,546 INFO L314 BlockEncoder]: Initial Icfg 9 locations, 8 edges [2024-09-13 10:10:04,546 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 10:10:04,546 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 10:10:04,546 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 10:10:04,547 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 10:10:04,547 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:10:04,578 INFO L101 BaseMinimizeStates]: Removed 14 edges and 7 locations by large block encoding [2024-09-13 10:10:04,578 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:10:04,578 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 10:10:04,578 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 10:10:04,578 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 10:10:04,578 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 10:10:05,350 INFO L514 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-13 10:10:05,608 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-13 10:10:05,613 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 10:10:05,613 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 10:10:05,613 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 10:10:05,613 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 10:10:05,613 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:10:05,614 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-13 10:10:05,614 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:10:05,614 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 10:10:05,614 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 10:10:05,614 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 10:10:05,614 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 10:10:05,616 INFO L514 InvariantChecker]: The annotation(s) from loop head L58-2 to error location mainErr1REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-13 10:10:05,637 INFO L314 BlockEncoder]: Initial Icfg 7 locations, 6 edges [2024-09-13 10:10:05,637 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 10:10:05,637 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 10:10:05,638 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 10:10:05,638 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 10:10:05,638 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:10:05,638 INFO L101 BaseMinimizeStates]: Removed 10 edges and 5 locations by large block encoding [2024-09-13 10:10:05,638 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:10:05,639 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 10:10:05,639 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 10:10:05,639 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 10:10:05,639 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 10:10:05,640 INFO L514 InvariantChecker]: The annotation(s) from loop head L58-2 to error location mainErr4REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-13 10:10:05,648 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 5 edges [2024-09-13 10:10:05,648 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 10:10:05,649 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 10:10:05,649 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 10:10:05,649 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 10:10:05,649 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:10:05,650 INFO L101 BaseMinimizeStates]: Removed 8 edges and 3 locations by large block encoding [2024-09-13 10:10:05,650 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:10:05,650 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 10:10:05,650 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 10:10:05,650 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 10:10:05,651 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 10:10:05,652 INFO L514 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-13 10:10:05,659 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-13 10:10:05,659 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 10:10:05,659 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 10:10:05,659 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 10:10:05,659 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 10:10:05,659 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:10:05,660 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-13 10:10:05,660 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:10:05,660 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 10:10:05,660 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 10:10:05,660 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 10:10:05,661 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 10:10:05,661 INFO L514 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION is inductive. [2024-09-13 10:10:05,668 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 5 edges [2024-09-13 10:10:05,669 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 10:10:05,669 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 10:10:05,669 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 10:10:05,669 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 10:10:05,669 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:10:05,670 INFO L101 BaseMinimizeStates]: Removed 8 edges and 4 locations by large block encoding [2024-09-13 10:10:05,670 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:10:05,670 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 10:10:05,670 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 10:10:05,670 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 10:10:05,670 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 10:10:05,671 INFO L514 InvariantChecker]: The annotation(s) from loop head L58-2 to error location mainErr3REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-13 10:10:05,673 INFO L58 RefereeStarter]: Annotation is a valid proof of correctness. [2024-09-13 10:10:05,674 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@4c3c91e0 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CFG 13.09 10:10:05, skipping insertion in model container [2024-09-13 10:10:05,674 INFO L131 PluginConnector]: ------------------------ END Referee---------------------------- [2024-09-13 10:10:05,675 INFO L158 Benchmark]: Toolchain (without parser) took 6747.60ms. Allocated memory is still 88.1MB. Free memory was 47.2MB in the beginning and 40.1MB in the end (delta: 7.1MB). Peak memory consumption was 15.0MB. Max. memory is 16.1GB. [2024-09-13 10:10:05,675 INFO L158 Benchmark]: CDTParser took 0.24ms. Allocated memory is still 54.5MB. Free memory was 31.1MB in the beginning and 31.0MB in the end (delta: 73.4kB). There was no memory consumed. Max. memory is 16.1GB. [2024-09-13 10:10:05,676 INFO L158 Benchmark]: Witness Parser took 0.14ms. Allocated memory is still 88.1MB. Free memory is still 49.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-13 10:10:05,676 INFO L158 Benchmark]: CACSL2BoogieTranslator took 292.47ms. Allocated memory is still 88.1MB. Free memory was 47.2MB in the beginning and 57.6MB in the end (delta: -10.4MB). Peak memory consumption was 9.6MB. Max. memory is 16.1GB. [2024-09-13 10:10:05,677 INFO L158 Benchmark]: Boogie Preprocessor took 53.47ms. Allocated memory is still 88.1MB. Free memory was 57.3MB in the beginning and 54.6MB in the end (delta: 2.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-09-13 10:10:05,678 INFO L158 Benchmark]: RCFGBuilder took 4965.66ms. Allocated memory is still 88.1MB. Free memory was 54.6MB in the beginning and 62.0MB in the end (delta: -7.4MB). Peak memory consumption was 19.3MB. Max. memory is 16.1GB. [2024-09-13 10:10:05,678 INFO L158 Benchmark]: Referee took 1432.32ms. Allocated memory is still 88.1MB. Free memory was 62.0MB in the beginning and 40.1MB in the end (delta: 21.9MB). Peak memory consumption was 30.1MB. Max. memory is 16.1GB. [2024-09-13 10:10:05,680 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 main to loop head at line 41. 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 loop head at line 41 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 check that procedure precondition always holds at line 43. 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 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 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. * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24ms. Allocated memory is still 54.5MB. Free memory was 31.1MB in the beginning and 31.0MB in the end (delta: 73.4kB). There was no memory consumed. Max. memory is 16.1GB. * Witness Parser took 0.14ms. Allocated memory is still 88.1MB. Free memory is still 49.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 292.47ms. Allocated memory is still 88.1MB. Free memory was 47.2MB in the beginning and 57.6MB in the end (delta: -10.4MB). Peak memory consumption was 9.6MB. Max. memory is 16.1GB. * Boogie Preprocessor took 53.47ms. Allocated memory is still 88.1MB. Free memory was 57.3MB in the beginning and 54.6MB in the end (delta: 2.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 4965.66ms. Allocated memory is still 88.1MB. Free memory was 54.6MB in the beginning and 62.0MB in the end (delta: -7.4MB). Peak memory consumption was 19.3MB. Max. memory is 16.1GB. * Referee took 1432.32ms. Allocated memory is still 88.1MB. Free memory was 62.0MB in the beginning and 40.1MB in the end (delta: 21.9MB). Peak memory consumption was 30.1MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-09-13 10:10:05,892 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 10:10:05,921 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...