This is Ultimate 0.2.4-dev-1d5fa63-m [2024-09-13 10:09:52,703 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-13 10:09:52,795 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Default.epf [2024-09-13 10:09:52,801 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-13 10:09:52,803 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-13 10:09:52,829 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-13 10:09:52,831 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-13 10:09:52,831 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-13 10:09:52,832 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-13 10:09:52,833 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-13 10:09:52,833 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-13 10:09:52,833 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-13 10:09:52,834 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-13 10:09:52,835 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-13 10:09:52,836 INFO L153 SettingsManager]: * Use SBE=true [2024-09-13 10:09:52,836 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-13 10:09:52,838 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-13 10:09:52,838 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-13 10:09:52,838 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-09-13 10:09:52,838 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-13 10:09:52,839 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-13 10:09:52,840 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-13 10:09:52,840 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-13 10:09:52,841 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-13 10:09:52,841 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-13 10:09:52,841 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-13 10:09:52,841 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-13 10:09:52,842 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-13 10:09:52,842 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-13 10:09:52,842 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-13 10:09:52,843 INFO L153 SettingsManager]: * Future-live optimization=false [2024-09-13 10:09:52,843 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-13 10:09:52,843 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-13 10:09:52,843 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-13 10:09:52,844 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-13 10:09:52,844 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-13 10:09:52,844 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-13 10:09:52,844 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-09-13 10:09:52,845 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-09-13 10:09:52,845 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-13 10:09:52,845 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-13 10:09:52,846 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-13 10:09:52,846 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-13 10:09:52,846 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None [2024-09-13 10:09:53,110 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-13 10:09:53,136 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-13 10:09:53,140 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-13 10:09:53,141 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-13 10:09:53,142 INFO L274 PluginConnector]: CDTParser initialized [2024-09-13 10:09:53,143 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/nla-digbench-scaling/knuth_valuebound2.i [2024-09-13 10:09:54,584 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-13 10:09:54,789 INFO L384 CDTParser]: Found 1 translation units. [2024-09-13 10:09:54,790 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench-scaling/knuth_valuebound2.i [2024-09-13 10:09:54,805 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/341ee8368/011ce413136d4af9b529a17dbf1c52b9/FLAGde52b59a9 [2024-09-13 10:09:54,822 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/341ee8368/011ce413136d4af9b529a17dbf1c52b9 [2024-09-13 10:09:54,825 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-13 10:09:54,826 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-13 10:09:54,828 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/automizer-verification-files/SV-COMP24_unreach-call/knuth_valuebound2.yml/witness-2.1.yml [2024-09-13 10:09:54,882 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-13 10:09:54,884 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-09-13 10:09:54,886 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-13 10:09:54,886 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-13 10:09:54,892 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-13 10:09:54,893 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.09 10:09:54" (1/2) ... [2024-09-13 10:09:54,894 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3de58b8c 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 10:09:54,894 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.09 10:09:54" (1/2) ... [2024-09-13 10:09:54,895 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@6517cccc 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 10:09:54,896 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 10:09:54,896 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3de58b8c 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 10:09:54,897 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 10:09:54,908 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-13 10:09:54,909 INFO L1541 ArrayList]: Loop invariant at [L41-L71] 0 [2024-09-13 10:09:54,909 INFO L1541 ArrayList]: Function contract at [L18]: requires 0, ensures 0 [2024-09-13 10:09:54,912 INFO L1541 ArrayList]: Function contract at [L15]: requires null, ensures (0 != \old(cond)) [2024-09-13 10:09:54,935 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-13 10:09:55,102 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_valuebound2.i[948,961] [2024-09-13 10:09:55,122 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$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2024-09-13 10:09:55,129 INFO L158 Benchmark]: Toolchain (without parser) took 244.41ms. Allocated memory is still 167.8MB. Free memory was 117.2MB in the beginning and 107.1MB in the end (delta: 10.0MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2024-09-13 10:09:55,132 INFO L158 Benchmark]: CDTParser took 0.20ms. Allocated memory is still 167.8MB. Free memory is still 129.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-13 10:09:55,133 INFO L158 Benchmark]: Witness Parser took 0.23ms. Allocated memory is still 167.8MB. Free memory is still 119.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-13 10:09:55,134 INFO L158 Benchmark]: CACSL2BoogieTranslator took 241.15ms. Allocated memory is still 167.8MB. Free memory was 117.2MB in the beginning and 107.1MB in the end (delta: 10.0MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2024-09-13 10:09:55,135 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20ms. Allocated memory is still 167.8MB. Free memory is still 129.3MB. There was no memory consumed. Max. memory is 16.1GB. * Witness Parser took 0.23ms. Allocated memory is still 167.8MB. Free memory is still 119.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 241.15ms. Allocated memory is still 167.8MB. Free memory was 117.2MB in the beginning and 107.1MB in the end (delta: 10.0MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - ExceptionOrErrorResult: UnsupportedOperationException: floating point operation not supported in non-bitprecise translation: sqrt de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: UnsupportedOperationException: floating point operation not supported in non-bitprecise translation: sqrt: de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.expressiontranslation.IntegerTranslation.constructOtherUnaryFloatOperation(IntegerTranslation.java:610) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.2.4-dev-1d5fa63-m [2024-09-13 10:09:57,121 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-13 10:09:57,200 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Bitvector.epf [2024-09-13 10:09:57,207 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-13 10:09:57,208 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-13 10:09:57,244 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-13 10:09:57,247 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-13 10:09:57,247 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-13 10:09:57,248 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-13 10:09:57,250 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-13 10:09:57,250 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-13 10:09:57,250 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-13 10:09:57,253 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-13 10:09:57,254 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-13 10:09:57,254 INFO L153 SettingsManager]: * Use SBE=true [2024-09-13 10:09:57,255 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-13 10:09:57,255 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-13 10:09:57,255 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-13 10:09:57,255 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-13 10:09:57,256 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-13 10:09:57,256 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-13 10:09:57,258 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-13 10:09:57,259 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-13 10:09:57,259 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-09-13 10:09:57,261 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-09-13 10:09:57,261 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-13 10:09:57,262 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-09-13 10:09:57,262 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-13 10:09:57,262 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-13 10:09:57,263 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-13 10:09:57,263 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-13 10:09:57,263 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-13 10:09:57,263 INFO L153 SettingsManager]: * Future-live optimization=false [2024-09-13 10:09:57,263 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-13 10:09:57,264 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-13 10:09:57,264 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-13 10:09:57,264 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-13 10:09:57,264 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-13 10:09:57,265 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-13 10:09:57,265 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-09-13 10:09:57,266 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-09-13 10:09:57,267 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-13 10:09:57,267 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-13 10:09:57,267 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-13 10:09:57,267 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-13 10:09:57,267 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2024-09-13 10:09:57,267 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None [2024-09-13 10:09:57,599 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-13 10:09:57,621 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-13 10:09:57,624 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-13 10:09:57,626 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-13 10:09:57,627 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-13 10:09:57,629 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/automizer-verification-files/SV-COMP24_unreach-call/knuth_valuebound2.yml/witness-2.1.yml [2024-09-13 10:09:57,677 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-13 10:09:57,677 INFO L274 PluginConnector]: CDTParser initialized [2024-09-13 10:09:57,678 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/nla-digbench-scaling/knuth_valuebound2.i [2024-09-13 10:09:59,351 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-13 10:09:59,561 INFO L384 CDTParser]: Found 1 translation units. [2024-09-13 10:09:59,562 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench-scaling/knuth_valuebound2.i [2024-09-13 10:09:59,571 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/a2a26e07f/f71dfd5d48b54b0fa917679f076953ae/FLAGdc77fcd6c [2024-09-13 10:09:59,590 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/a2a26e07f/f71dfd5d48b54b0fa917679f076953ae [2024-09-13 10:09:59,590 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-13 10:09:59,592 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-09-13 10:09:59,594 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-13 10:09:59,596 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-13 10:09:59,600 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-13 10:09:59,601 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 10:09:57" (1/2) ... [2024-09-13 10:09:59,604 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1c63eb9b and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 13.09 10:09:59, skipping insertion in model container [2024-09-13 10:09:59,604 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 10:09:57" (1/2) ... [2024-09-13 10:09:59,606 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@50b49ee8 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 13.09 10:09:59, skipping insertion in model container [2024-09-13 10:09:59,606 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.09 10:09:59" (2/2) ... [2024-09-13 10:09:59,606 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1c63eb9b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 10:09:59, skipping insertion in model container [2024-09-13 10:09:59,606 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.09 10:09:59" (2/2) ... [2024-09-13 10:09:59,620 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-13 10:09:59,623 INFO L1541 ArrayList]: Loop invariant at [L41-L71] 0 [2024-09-13 10:09:59,623 INFO L1541 ArrayList]: Function contract at [L15]: requires null, ensures (0 != \old(cond)) [2024-09-13 10:09:59,624 INFO L1541 ArrayList]: Function contract at [L18]: requires 0, ensures 0 [2024-09-13 10:09:59,651 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-13 10:09:59,824 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_valuebound2.i[948,961] [2024-09-13 10:09:59,870 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-13 10:09:59,895 INFO L200 MainTranslator]: Completed pre-run Start Parsing Global Start Parsing Global Start Parsing Global [2024-09-13 10:09:59,938 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_valuebound2.i[948,961] Start Parsing Local [2024-09-13 10:09:59,966 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-13 10:09:59,985 INFO L204 MainTranslator]: Completed translation [2024-09-13 10:09:59,986 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 10:09:59 WrapperNode [2024-09-13 10:09:59,986 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-13 10:09:59,987 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-13 10:09:59,987 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-13 10:09:59,987 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-13 10:09:59,999 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 10:09:59" (1/1) ... [2024-09-13 10:10:00,000 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 10:09:59" (1/1) ... [2024-09-13 10:10:00,011 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 10:09:59" (1/1) ... [2024-09-13 10:10:00,033 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 10:10:00,036 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 10:09:59" (1/1) ... [2024-09-13 10:10:00,037 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 10:09:59" (1/1) ... [2024-09-13 10:10:00,053 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 10:09:59" (1/1) ... [2024-09-13 10:10:00,059 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 10:09:59" (1/1) ... [2024-09-13 10:10:00,064 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 10:09:59" (1/1) ... [2024-09-13 10:10:00,068 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 10:09:59" (1/1) ... [2024-09-13 10:10:00,071 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-13 10:10:00,074 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-13 10:10:00,076 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-13 10:10:00,076 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-13 10:10:00,077 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 10:09:59" (1/1) ... [2024-09-13 10:10:00,082 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-13 10:10:00,091 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-09-13 10:10:00,106 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 10:10:00,112 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 10:10:00,157 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-09-13 10:10:00,158 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-13 10:10:00,158 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.setCurrentRoundingMode [2024-09-13 10:10:00,158 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-09-13 10:10:00,158 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-09-13 10:10:00,158 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-09-13 10:10:00,158 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-09-13 10:10:00,159 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-09-13 10:10:00,159 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-09-13 10:10:00,159 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_perror_fail [2024-09-13 10:10:00,159 INFO L130 BoogieDeclarations]: Found specification of procedure __assert [2024-09-13 10:10:00,159 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-09-13 10:10:00,159 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-13 10:10:00,160 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2024-09-13 10:10:00,160 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-09-13 10:10:00,160 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-09-13 10:10:00,161 INFO L130 BoogieDeclarations]: Found specification of procedure sqrt [2024-09-13 10:10:00,161 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-09-13 10:10:00,161 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-09-13 10:10:00,161 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-09-13 10:10:00,161 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-13 10:10:00,162 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.setCurrentRoundingMode [2024-09-13 10:10:00,162 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2024-09-13 10:10:00,162 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2024-09-13 10:10:00,162 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-09-13 10:10:00,238 INFO L242 CfgBuilder]: Building ICFG [2024-09-13 10:10:00,241 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-13 10:10:05,026 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-13 10:10:05,154 INFO L291 CfgBuilder]: Performing block encoding [2024-09-13 10:10:05,177 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-13 10:10:05,177 INFO L318 CfgBuilder]: Removed 1 assume(true) statements. [2024-09-13 10:10:05,178 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.09 10:10:05 BoogieIcfgContainer [2024-09-13 10:10:05,178 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-13 10:10:05,178 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-09-13 10:10:05,178 INFO L270 PluginConnector]: Initializing Referee... [2024-09-13 10:10:05,179 INFO L274 PluginConnector]: Referee initialized [2024-09-13 10:10:05,179 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 10:09:57" (1/4) ... [2024-09-13 10:10:05,180 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@273d00b6 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 13.09 10:10:05, skipping insertion in model container [2024-09-13 10:10:05,180 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 13.09 10:09:59" (2/4) ... [2024-09-13 10:10:05,180 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@273d00b6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 13.09 10:10:05, skipping insertion in model container [2024-09-13 10:10:05,180 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 10:09:59" (3/4) ... [2024-09-13 10:10:05,181 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@273d00b6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 13.09 10:10:05, skipping insertion in model container [2024-09-13 10:10:05,181 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.09 10:10:05" (4/4) ... [2024-09-13 10:10:05,182 INFO L79 RefereeObserver]: Analyzing ICFG knuth_valuebound2.i [2024-09-13 10:10:05,185 INFO L112 InvariantChecker]: Found 1 loops. [2024-09-13 10:10:05,186 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 10:10:05,187 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 10:10:05,187 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 10:10:05,187 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 10:10:05,187 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 10:10:05,187 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 10:10:05,188 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 10:10:05,188 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 10:10:05,188 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 10:10:05,188 INFO L130 InvariantChecker]: Will check 1 loop-free subgraphs from procedure entry to loop head, 1 loop-free subgraphs from loop head to loop head, 3 loop-free subgraphs from procedure entry to error location, 4 loop-free subgraphs from loop head to error location [2024-09-13 10:10:05,237 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 4 edges [2024-09-13 10:10:05,238 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 10:10:05,238 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 10:10:05,239 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 10:10:05,240 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 10:10:05,242 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:10:05,253 INFO L101 BaseMinimizeStates]: Removed 6 edges and 2 locations by large block encoding [2024-09-13 10:10:05,255 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:10:05,255 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 10:10:05,255 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 10:10:05,256 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 10:10:05,259 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 10:10:05,273 INFO L514 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to error location assume_abort_if_notErr0ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-13 10:10:05,301 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 4 edges [2024-09-13 10:10:05,301 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 10:10:05,301 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 10:10:05,301 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 10:10:05,301 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 10:10:05,302 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:10:05,303 INFO L101 BaseMinimizeStates]: Removed 6 edges and 3 locations by large block encoding [2024-09-13 10:10:05,303 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:10:05,303 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 10:10:05,303 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 10:10:05,303 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 10:10:05,303 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 10:10:05,305 INFO L514 InvariantChecker]: The annotation(s) from loop head L58-2 to error location mainErr2REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-13 10:10:05,335 INFO L314 BlockEncoder]: Initial Icfg 12 locations, 14 edges [2024-09-13 10:10:05,335 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 10:10:05,335 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 10:10:05,336 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 10:10:05,336 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 10:10:05,336 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:10:05,362 INFO L101 BaseMinimizeStates]: Removed 26 edges and 10 locations by large block encoding [2024-09-13 10:10:05,363 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:10:05,363 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 10:10:05,363 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 10:10:05,363 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 10:10:05,364 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 10:10:05,369 INFO L514 InvariantChecker]: The annotation(s) from loop head L58-2 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-13 10:10:05,398 INFO L314 BlockEncoder]: Initial Icfg 9 locations, 8 edges [2024-09-13 10:10:05,399 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 10:10:05,400 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 10:10:05,400 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 10:10:05,400 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 10:10:05,400 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:10:05,411 INFO L101 BaseMinimizeStates]: Removed 14 edges and 7 locations by large block encoding [2024-09-13 10:10:05,412 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:10:05,412 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 10:10:05,412 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 10:10:05,413 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 10:10:05,413 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 10:10:05,423 INFO L514 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-13 10:10:05,441 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-13 10:10:05,441 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 10:10:05,441 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 10:10:05,441 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 10:10:05,441 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 10:10:05,441 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:10:05,442 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-13 10:10:05,443 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:10:05,443 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 10:10:05,443 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 10:10:05,443 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 10:10:05,444 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 10:10:05,445 INFO L514 InvariantChecker]: The annotation(s) from loop head L58-2 to error location mainErr1REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-13 10:10:05,461 INFO L314 BlockEncoder]: Initial Icfg 7 locations, 6 edges [2024-09-13 10:10:05,462 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 10:10:05,462 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 10:10:05,462 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 10:10:05,469 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 10:10:05,469 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:10:05,470 INFO L101 BaseMinimizeStates]: Removed 10 edges and 5 locations by large block encoding [2024-09-13 10:10:05,472 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:10:05,472 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 10:10:05,473 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 10:10:05,473 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 10:10:05,473 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 10:10:05,475 INFO L514 InvariantChecker]: The annotation(s) from loop head L58-2 to error location mainErr4REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-13 10:10:05,493 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 5 edges [2024-09-13 10:10:05,493 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 10:10:05,493 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 10:10:05,494 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 10:10:05,494 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 10:10:05,494 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:10:05,497 INFO L101 BaseMinimizeStates]: Removed 8 edges and 3 locations by large block encoding [2024-09-13 10:10:05,497 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:10:05,497 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 10:10:05,498 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 10:10:05,499 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 10:10:05,499 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 10:10:05,502 INFO L514 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-13 10:10:05,516 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-13 10:10:05,516 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 10:10:05,517 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 10:10:05,517 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 10:10:05,518 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 10:10:05,518 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:10:05,519 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-13 10:10:05,519 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:10:05,519 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 10:10:05,519 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 10:10:05,520 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 10:10:05,520 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 10:10:05,521 INFO L514 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION is inductive. [2024-09-13 10:10:05,534 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 5 edges [2024-09-13 10:10:05,535 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 10:10:05,535 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 10:10:05,535 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 10:10:05,535 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 10:10:05,536 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:10:05,536 INFO L101 BaseMinimizeStates]: Removed 8 edges and 4 locations by large block encoding [2024-09-13 10:10:05,537 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:10:05,537 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 10:10:05,538 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 10:10:05,538 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 10:10:05,538 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 10:10:05,539 INFO L514 InvariantChecker]: The annotation(s) from loop head L58-2 to error location mainErr3REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-13 10:10:05,542 INFO L58 RefereeStarter]: Annotation is a valid proof of correctness. [2024-09-13 10:10:05,542 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@273d00b6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee CFG 13.09 10:10:05, skipping insertion in model container [2024-09-13 10:10:05,543 INFO L131 PluginConnector]: ------------------------ END Referee---------------------------- [2024-09-13 10:10:05,546 INFO L158 Benchmark]: Toolchain (without parser) took 5951.78ms. Allocated memory is still 75.5MB. Free memory was 39.6MB in the beginning and 38.4MB in the end (delta: 1.2MB). Peak memory consumption was 14.5MB. Max. memory is 16.1GB. [2024-09-13 10:10:05,547 INFO L158 Benchmark]: Witness Parser took 0.25ms. Allocated memory is still 52.4MB. Free memory is still 29.6MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-13 10:10:05,547 INFO L158 Benchmark]: CDTParser took 0.16ms. Allocated memory is still 52.4MB. Free memory is still 27.5MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-13 10:10:05,547 INFO L158 Benchmark]: CACSL2BoogieTranslator took 392.21ms. Allocated memory is still 75.5MB. Free memory was 39.5MB in the beginning and 41.4MB in the end (delta: -1.9MB). Peak memory consumption was 3.1MB. Max. memory is 16.1GB. [2024-09-13 10:10:05,548 INFO L158 Benchmark]: Boogie Preprocessor took 86.04ms. Allocated memory is still 75.5MB. Free memory was 41.4MB in the beginning and 38.7MB in the end (delta: 2.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-09-13 10:10:05,549 INFO L158 Benchmark]: RCFGBuilder took 5103.98ms. Allocated memory is still 75.5MB. Free memory was 38.7MB in the beginning and 41.8MB in the end (delta: -3.1MB). Peak memory consumption was 10.7MB. Max. memory is 16.1GB. [2024-09-13 10:10:05,549 INFO L158 Benchmark]: Referee took 364.25ms. Allocated memory is still 75.5MB. Free memory was 41.8MB in the beginning and 38.4MB in the end (delta: 3.4MB). Peak memory consumption was 17.5MB. Max. memory is 16.1GB. [2024-09-13 10:10:05,552 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 __VERIFIER_assert to exit of procedure __VERIFIER_assert. Annotation is valid for all loop-free paths from entry of procedure main to loop head at line 41. Annotation is valid for all loop-free paths from loop head at line 41 to check that procedure precondition always holds at line 44. Annotation is valid for all loop-free paths from loop head at line 41 to check that procedure precondition always holds at line 42. 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 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 assume_abort_if_not to exit of procedure assume_abort_if_not. * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Witness Parser took 0.25ms. Allocated memory is still 52.4MB. Free memory is still 29.6MB. There was no memory consumed. Max. memory is 16.1GB. * CDTParser took 0.16ms. Allocated memory is still 52.4MB. Free memory is still 27.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 392.21ms. Allocated memory is still 75.5MB. Free memory was 39.5MB in the beginning and 41.4MB in the end (delta: -1.9MB). Peak memory consumption was 3.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 86.04ms. Allocated memory is still 75.5MB. Free memory was 41.4MB in the beginning and 38.7MB in the end (delta: 2.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 5103.98ms. Allocated memory is still 75.5MB. Free memory was 38.7MB in the beginning and 41.8MB in the end (delta: -3.1MB). Peak memory consumption was 10.7MB. Max. memory is 16.1GB. * Referee took 364.25ms. Allocated memory is still 75.5MB. Free memory was 41.8MB in the beginning and 38.4MB in the end (delta: 3.4MB). Peak memory consumption was 17.5MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-09-13 10:10:05,739 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...