This is Ultimate 0.2.4-tmp.dk.referee-eval-27b4987-m [2024-09-21 19:10:27,962 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-21 19:10:28,035 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Default.epf [2024-09-21 19:10:28,042 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-21 19:10:28,042 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-21 19:10:28,075 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-21 19:10:28,076 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-21 19:10:28,076 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-21 19:10:28,077 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-21 19:10:28,078 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-21 19:10:28,079 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-21 19:10:28,079 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-21 19:10:28,080 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-21 19:10:28,080 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-21 19:10:28,082 INFO L153 SettingsManager]: * Use SBE=true [2024-09-21 19:10:28,082 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-21 19:10:28,083 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-21 19:10:28,083 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-21 19:10:28,083 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-09-21 19:10:28,084 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-21 19:10:28,084 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-21 19:10:28,084 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-21 19:10:28,088 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-21 19:10:28,088 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-21 19:10:28,088 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-21 19:10:28,089 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-21 19:10:28,089 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-21 19:10:28,089 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-21 19:10:28,089 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-21 19:10:28,090 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-21 19:10:28,090 INFO L153 SettingsManager]: * Future-live optimization=false [2024-09-21 19:10:28,090 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-21 19:10:28,090 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-21 19:10:28,090 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-21 19:10:28,091 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-21 19:10:28,091 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-21 19:10:28,091 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-21 19:10:28,091 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-09-21 19:10:28,092 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-09-21 19:10:28,092 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-21 19:10:28,092 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-21 19:10:28,092 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-21 19:10:28,093 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-21 19:10:28,093 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/certificate-witnesses-artifact/referee/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None [2024-09-21 19:10:28,384 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-21 19:10:28,411 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-21 19:10:28,414 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-21 19:10:28,416 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-21 19:10:28,416 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-21 19:10:28,418 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/cpachecker-verification-files/SV-COMP24_unreach-call/knuth_valuebound50.yml/output/witness-2.1.yml [2024-09-21 19:10:28,464 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-21 19:10:28,465 INFO L274 PluginConnector]: CDTParser initialized [2024-09-21 19:10:28,466 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/nla-digbench-scaling/knuth_valuebound50.i [2024-09-21 19:10:29,888 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-21 19:10:30,087 INFO L384 CDTParser]: Found 1 translation units. [2024-09-21 19:10:30,087 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench-scaling/knuth_valuebound50.i [2024-09-21 19:10:30,094 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/335ed5cb2/4a3ccd366be34b3199616bab95de085d/FLAGf03413045 [2024-09-21 19:10:30,107 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/335ed5cb2/4a3ccd366be34b3199616bab95de085d [2024-09-21 19:10:30,108 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-21 19:10:30,109 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-09-21 19:10:30,110 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-21 19:10:30,110 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-21 19:10:30,117 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-21 19:10:30,118 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 21.09 07:10:28" (1/2) ... [2024-09-21 19:10:30,120 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@457d0b49 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 21.09 07:10:30, skipping insertion in model container [2024-09-21 19:10:30,121 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 21.09 07:10:28" (1/2) ... [2024-09-21 19:10:30,122 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@197a8d3e and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 21.09 07:10:30, skipping insertion in model container [2024-09-21 19:10:30,122 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 07:10:30" (2/2) ... [2024-09-21 19:10:30,122 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@457d0b49 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 07:10:30, skipping insertion in model container [2024-09-21 19:10:30,123 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 07:10:30" (2/2) ... [2024-09-21 19:10:30,130 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-21 19:10:30,130 INFO L1541 ArrayList]: Function contract at [L26]: requires 1, ensures 1 [2024-09-21 19:10:30,130 INFO L1541 ArrayList]: Function contract at [L15]: requires 1, ensures (!(1) || (1)) [2024-09-21 19:10:30,150 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-21 19:10:30,296 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench-scaling/knuth_valuebound50.i[948,961] [2024-09-21 19:10:30,313 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator has thrown an exception: java.lang.UnsupportedOperationException: floating point operation not supported in non-bitprecise translation: sqrt at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.expressiontranslation.IntegerTranslation.constructOtherUnaryFloatOperation(IntegerTranslation.java:610) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.standardfunctions.StandardFunctionHandler.handleUnaryFloatFunction(StandardFunctionHandler.java:2721) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.standardfunctions.StandardFunctionHandler.translateStandardFunction(StandardFunctionHandler.java:253) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1586) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:271) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:789) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:286) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1494) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:224) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.handleCompoundStatement(CHandler.java:1150) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1133) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:236) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.chandler.FunctionHandler.handleFunctionDefinition(FunctionHandler.java:387) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1613) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:159) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.processTUchild(CHandler.java:3471) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2497) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:639) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:135) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.translate(MainTranslator.java:189) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.run(MainTranslator.java:116) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.(MainTranslator.java:94) at de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver.finish(CACSL2BoogieTranslatorObserver.java:145) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2024-09-21 19:10:30,319 INFO L158 Benchmark]: Toolchain (without parser) took 208.74ms. Allocated memory is still 174.1MB. Free memory was 141.4MB in the beginning and 131.1MB in the end (delta: 10.4MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2024-09-21 19:10:30,319 INFO L158 Benchmark]: Witness Parser took 0.24ms. Allocated memory is still 174.1MB. Free memory is still 140.6MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-21 19:10:30,320 INFO L158 Benchmark]: CDTParser took 1.53ms. Allocated memory is still 174.1MB. Free memory is still 138.7MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-21 19:10:30,320 INFO L158 Benchmark]: CACSL2BoogieTranslator took 206.96ms. Allocated memory is still 174.1MB. Free memory was 140.6MB in the beginning and 131.1MB in the end (delta: 9.6MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2024-09-21 19:10:30,321 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Witness Parser took 0.24ms. Allocated memory is still 174.1MB. Free memory is still 140.6MB. There was no memory consumed. Max. memory is 16.1GB. * CDTParser took 1.53ms. Allocated memory is still 174.1MB. Free memory is still 138.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 206.96ms. Allocated memory is still 174.1MB. Free memory was 140.6MB in the beginning and 131.1MB in the end (delta: 9.6MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - ExceptionOrErrorResult: UnsupportedOperationException: floating point operation not supported in non-bitprecise translation: sqrt de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: UnsupportedOperationException: floating point operation not supported in non-bitprecise translation: sqrt: de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.expressiontranslation.IntegerTranslation.constructOtherUnaryFloatOperation(IntegerTranslation.java:610) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.2.4-tmp.dk.referee-eval-27b4987-m [2024-09-21 19:10:32,330 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-21 19:10:32,409 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Bitvector.epf [2024-09-21 19:10:32,415 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-21 19:10:32,416 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-21 19:10:32,450 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-21 19:10:32,451 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-21 19:10:32,451 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-21 19:10:32,452 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-21 19:10:32,453 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-21 19:10:32,454 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-21 19:10:32,455 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-21 19:10:32,455 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-21 19:10:32,456 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-21 19:10:32,460 INFO L153 SettingsManager]: * Use SBE=true [2024-09-21 19:10:32,460 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-21 19:10:32,461 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-21 19:10:32,461 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-21 19:10:32,461 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-21 19:10:32,462 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-21 19:10:32,462 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-21 19:10:32,462 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-21 19:10:32,463 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-21 19:10:32,463 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-09-21 19:10:32,463 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-09-21 19:10:32,464 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-21 19:10:32,464 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-09-21 19:10:32,464 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-21 19:10:32,464 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-21 19:10:32,465 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-21 19:10:32,465 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-21 19:10:32,465 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-21 19:10:32,466 INFO L153 SettingsManager]: * Future-live optimization=false [2024-09-21 19:10:32,466 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-21 19:10:32,468 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-21 19:10:32,469 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-21 19:10:32,470 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-21 19:10:32,470 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-21 19:10:32,470 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-21 19:10:32,470 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-09-21 19:10:32,471 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-09-21 19:10:32,471 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-21 19:10:32,471 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-21 19:10:32,471 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-21 19:10:32,472 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-21 19:10:32,472 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2024-09-21 19:10:32,472 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/certificate-witnesses-artifact/referee/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None [2024-09-21 19:10:32,812 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-21 19:10:32,839 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-21 19:10:32,842 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-21 19:10:32,843 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-21 19:10:32,843 INFO L274 PluginConnector]: CDTParser initialized [2024-09-21 19:10:32,844 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/nla-digbench-scaling/knuth_valuebound50.i [2024-09-21 19:10:34,411 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-21 19:10:34,615 INFO L384 CDTParser]: Found 1 translation units. [2024-09-21 19:10:34,615 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench-scaling/knuth_valuebound50.i [2024-09-21 19:10:34,625 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/ae483fce2/d36dbe53900c46f38505639f7746635f/FLAG1dee16a8c [2024-09-21 19:10:34,991 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/ae483fce2/d36dbe53900c46f38505639f7746635f [2024-09-21 19:10:34,993 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-21 19:10:34,993 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-21 19:10:34,994 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/cpachecker-verification-files/SV-COMP24_unreach-call/knuth_valuebound50.yml/output/witness-2.1.yml [2024-09-21 19:10:35,047 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-21 19:10:35,048 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-09-21 19:10:35,049 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-21 19:10:35,050 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-21 19:10:35,054 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-21 19:10:35,055 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 07:10:34" (1/2) ... [2024-09-21 19:10:35,056 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5f4cbe0f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 07:10:35, skipping insertion in model container [2024-09-21 19:10:35,056 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 07:10:34" (1/2) ... [2024-09-21 19:10:35,059 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@481b41e0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 07:10:35, skipping insertion in model container [2024-09-21 19:10:35,060 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 21.09 07:10:35" (2/2) ... [2024-09-21 19:10:35,060 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5f4cbe0f and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 21.09 07:10:35, skipping insertion in model container [2024-09-21 19:10:35,060 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 21.09 07:10:35" (2/2) ... [2024-09-21 19:10:35,074 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-21 19:10:35,075 INFO L1541 ArrayList]: Function contract at [L26]: requires 1, ensures 1 [2024-09-21 19:10:35,077 INFO L1541 ArrayList]: Function contract at [L15]: requires 1, ensures (!(1) || (1)) [2024-09-21 19:10:35,102 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-21 19:10:35,282 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench-scaling/knuth_valuebound50.i[948,961] [2024-09-21 19:10:35,330 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-21 19:10:35,350 INFO L200 MainTranslator]: Completed pre-run Start Parsing Global Start Parsing Global [2024-09-21 19:10:35,397 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench-scaling/knuth_valuebound50.i[948,961] Start Parsing Global Start Parsing Global [2024-09-21 19:10:35,419 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-21 19:10:35,446 INFO L204 MainTranslator]: Completed translation [2024-09-21 19:10:35,447 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 21.09 07:10:35 WrapperNode [2024-09-21 19:10:35,448 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-21 19:10:35,449 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-21 19:10:35,449 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-21 19:10:35,449 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-21 19:10:35,462 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 21.09 07:10:35" (1/1) ... [2024-09-21 19:10:35,463 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 21.09 07:10:35" (1/1) ... [2024-09-21 19:10:35,477 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 21.09 07:10:35" (1/1) ... [2024-09-21 19:10:35,495 WARN L109 MemorySlicer]: Omit memory slicing because it failed with the following exception: Unsupported: Procedure assume_abort_if_not is not part of the Ultimate memory model but has specification other that is not a ModifiesSpecification [2024-09-21 19:10:35,495 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 21.09 07:10:35" (1/1) ... [2024-09-21 19:10:35,495 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 21.09 07:10:35" (1/1) ... [2024-09-21 19:10:35,512 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 21.09 07:10:35" (1/1) ... [2024-09-21 19:10:35,519 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 21.09 07:10:35" (1/1) ... [2024-09-21 19:10:35,521 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 21.09 07:10:35" (1/1) ... [2024-09-21 19:10:35,524 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 21.09 07:10:35" (1/1) ... [2024-09-21 19:10:35,532 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-21 19:10:35,533 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-21 19:10:35,533 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-21 19:10:35,533 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-21 19:10:35,533 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 21.09 07:10:35" (1/1) ... [2024-09-21 19:10:35,541 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-21 19:10:35,552 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-09-21 19:10:35,569 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/certificate-witnesses-artifact/referee/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-09-21 19:10:35,572 INFO L327 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/referee/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-09-21 19:10:35,624 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-09-21 19:10:35,624 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-21 19:10:35,625 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.setCurrentRoundingMode [2024-09-21 19:10:35,625 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-09-21 19:10:35,625 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-09-21 19:10:35,625 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-09-21 19:10:35,626 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-09-21 19:10:35,626 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-09-21 19:10:35,626 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-09-21 19:10:35,626 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_perror_fail [2024-09-21 19:10:35,626 INFO L130 BoogieDeclarations]: Found specification of procedure __assert [2024-09-21 19:10:35,626 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-09-21 19:10:35,627 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-21 19:10:35,627 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2024-09-21 19:10:35,627 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-09-21 19:10:35,627 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-09-21 19:10:35,627 INFO L130 BoogieDeclarations]: Found specification of procedure sqrt [2024-09-21 19:10:35,627 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-09-21 19:10:35,628 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-09-21 19:10:35,628 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-09-21 19:10:35,628 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-21 19:10:35,628 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.setCurrentRoundingMode [2024-09-21 19:10:35,628 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2024-09-21 19:10:35,628 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2024-09-21 19:10:35,629 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-09-21 19:10:35,719 INFO L242 CfgBuilder]: Building ICFG [2024-09-21 19:10:35,723 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-21 19:10:35,807 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-21 19:10:35,817 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-21 19:10:40,742 INFO L291 CfgBuilder]: Performing block encoding [2024-09-21 19:10:40,779 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-21 19:10:40,783 INFO L318 CfgBuilder]: Removed 2 assume(true) statements. [2024-09-21 19:10:40,784 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 07:10:40 BoogieIcfgContainer [2024-09-21 19:10:40,784 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-21 19:10:40,784 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-09-21 19:10:40,784 INFO L270 PluginConnector]: Initializing Referee... [2024-09-21 19:10:40,785 INFO L274 PluginConnector]: Referee initialized [2024-09-21 19:10:40,786 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 21.09 07:10:34" (1/4) ... [2024-09-21 19:10:40,786 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@4d5c6591 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 21.09 07:10:40, skipping insertion in model container [2024-09-21 19:10:40,786 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 21.09 07:10:35" (2/4) ... [2024-09-21 19:10:40,786 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@4d5c6591 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 21.09 07:10:40, skipping insertion in model container [2024-09-21 19:10:40,788 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 21.09 07:10:35" (3/4) ... [2024-09-21 19:10:40,788 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@4d5c6591 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 21.09 07:10:40, skipping insertion in model container [2024-09-21 19:10:40,789 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 07:10:40" (4/4) ... [2024-09-21 19:10:40,790 INFO L79 RefereeObserver]: Analyzing ICFG knuth_valuebound50.i [2024-09-21 19:10:40,792 INFO L113 InvariantChecker]: Found 1 loops. [2024-09-21 19:10:40,793 INFO L373 InvariantChecker]: Will check inductivity from ENTRY assume_abort_if_notENTRY to ERROR_LOC assume_abort_if_notErr0ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 4 edges. [2024-09-21 19:10:40,793 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L58-2 to ERROR_LOC mainErr4ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 10 edges. [2024-09-21 19:10:40,794 INFO L373 InvariantChecker]: Will check inductivity from ENTRY mainENTRY to ERROR_LOC mainErr2REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 5 edges. [2024-09-21 19:10:40,794 INFO L373 InvariantChecker]: Will check inductivity from ENTRY mainENTRY to ERROR_LOC mainErr0REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 2 edges. [2024-09-21 19:10:40,794 INFO L373 InvariantChecker]: Will check inductivity from ENTRY mainENTRY to ERROR_LOC mainErr1REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 4 edges. [2024-09-21 19:10:40,794 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC ULTIMATE.startErr0REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 2 edges. [2024-09-21 19:10:40,794 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 3 edges. [2024-09-21 19:10:40,794 INFO L373 InvariantChecker]: Will check inductivity from ENTRY mainENTRY to ERROR_LOC mainErr3REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 6 edges. [2024-09-21 19:10:40,795 INFO L131 InvariantChecker]: Will check 7 loop-free subgraphs from procedure entry to error location, 1 loop-free subgraphs from loop head to error location [2024-09-21 19:10:40,849 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 4 edges [2024-09-21 19:10:40,850 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 19:10:40,850 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 19:10:40,851 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 19:10:40,854 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 19:10:40,856 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:10:40,865 INFO L101 BaseMinimizeStates]: Removed 6 edges and 2 locations by large block encoding [2024-09-21 19:10:40,866 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:10:40,866 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 19:10:40,866 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 19:10:40,867 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 19:10:40,870 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 19:10:40,884 INFO L520 InvariantChecker]: The annotation(s) from entry assume_abort_if_notENTRY to error location assume_abort_if_notErr0ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-21 19:10:40,913 INFO L314 BlockEncoder]: Initial Icfg 9 locations, 10 edges [2024-09-21 19:10:40,913 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 19:10:40,913 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 19:10:40,913 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 19:10:40,913 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 19:10:40,914 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:10:40,918 INFO L101 BaseMinimizeStates]: Removed 18 edges and 7 locations by large block encoding [2024-09-21 19:10:40,918 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:10:40,918 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 19:10:40,918 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 19:10:40,919 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 19:10:40,919 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 19:10:40,924 INFO L520 InvariantChecker]: The annotation(s) from loop head L58-2 to error location mainErr4ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-21 19:10:40,959 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 5 edges [2024-09-21 19:10:40,959 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 19:10:40,959 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 19:10:40,959 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 19:10:40,959 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 19:10:40,959 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:10:40,961 INFO L101 BaseMinimizeStates]: Removed 8 edges and 4 locations by large block encoding [2024-09-21 19:10:40,961 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:10:40,961 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 19:10:40,961 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 19:10:40,962 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 19:10:40,962 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 19:10:40,963 INFO L520 InvariantChecker]: The annotation(s) from entry mainENTRY to error location mainErr2REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-21 19:10:40,981 INFO L314 BlockEncoder]: Initial Icfg 3 locations, 2 edges [2024-09-21 19:10:40,981 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 19:10:40,982 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 19:10:40,982 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 19:10:40,982 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 19:10:40,982 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:10:40,983 INFO L101 BaseMinimizeStates]: Removed 2 edges and 1 locations by large block encoding [2024-09-21 19:10:40,983 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:10:40,983 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 19:10:40,983 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 19:10:40,983 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 19:10:40,984 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 19:10:40,985 INFO L520 InvariantChecker]: The annotation(s) from entry mainENTRY to error location mainErr0REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-21 19:10:41,008 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 4 edges [2024-09-21 19:10:41,008 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 19:10:41,008 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 19:10:41,008 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 19:10:41,008 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 19:10:41,008 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:10:41,011 INFO L101 BaseMinimizeStates]: Removed 6 edges and 3 locations by large block encoding [2024-09-21 19:10:41,013 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:10:41,013 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 19:10:41,013 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 19:10:41,013 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 19:10:41,013 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 19:10:41,016 INFO L520 InvariantChecker]: The annotation(s) from entry mainENTRY to error location mainErr1REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-21 19:10:41,031 INFO L314 BlockEncoder]: Initial Icfg 3 locations, 2 edges [2024-09-21 19:10:41,031 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 19:10:41,031 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 19:10:41,032 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 19:10:41,032 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 19:10:41,032 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:10:41,033 INFO L101 BaseMinimizeStates]: Removed 2 edges and 1 locations by large block encoding [2024-09-21 19:10:41,033 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:10:41,033 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 19:10:41,033 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 19:10:41,033 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 19:10:41,034 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 19:10:41,035 INFO L520 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to error location ULTIMATE.startErr0REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-21 19:10:41,048 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-21 19:10:41,049 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 19:10:41,049 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 19:10:41,049 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 19:10:41,049 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 19:10:41,049 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:10:41,051 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-21 19:10:41,051 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:10:41,051 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 19:10:41,051 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 19:10:41,051 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 19:10:41,052 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 19:10:41,098 INFO L314 BlockEncoder]: Initial Icfg 7 locations, 6 edges [2024-09-21 19:10:41,098 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 19:10:41,099 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 19:10:41,099 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 19:10:41,099 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 19:10:41,099 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:10:41,100 INFO L101 BaseMinimizeStates]: Removed 10 edges and 5 locations by large block encoding [2024-09-21 19:10:41,100 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:10:41,101 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 19:10:41,101 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 19:10:41,101 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 19:10:41,101 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 19:10:41,105 INFO L520 InvariantChecker]: The annotation(s) from entry mainENTRY to error location mainErr3REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-21 19:10:41,114 INFO L58 RefereeStarter]: Annotation is not a valid proof of correctness. [2024-09-21 19:10:41,115 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@4d5c6591 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CFG 21.09 07:10:41, skipping insertion in model container [2024-09-21 19:10:41,115 INFO L131 PluginConnector]: ------------------------ END Referee---------------------------- [2024-09-21 19:10:41,117 INFO L158 Benchmark]: Toolchain (without parser) took 6068.13ms. Allocated memory is still 92.3MB. Free memory was 67.0MB in the beginning and 44.9MB in the end (delta: 22.1MB). Peak memory consumption was 30.8MB. Max. memory is 16.1GB. [2024-09-21 19:10:41,117 INFO L158 Benchmark]: CDTParser took 0.14ms. Allocated memory is still 60.8MB. Free memory was 41.5MB in the beginning and 41.4MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. [2024-09-21 19:10:41,117 INFO L158 Benchmark]: Witness Parser took 0.13ms. Allocated memory is still 92.3MB. Free memory is still 68.9MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-21 19:10:41,118 INFO L158 Benchmark]: CACSL2BoogieTranslator took 398.60ms. Allocated memory is still 92.3MB. Free memory was 66.8MB in the beginning and 51.3MB in the end (delta: 15.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-09-21 19:10:41,118 INFO L158 Benchmark]: Boogie Preprocessor took 83.14ms. Allocated memory is still 92.3MB. Free memory was 51.0MB in the beginning and 48.5MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-09-21 19:10:41,119 INFO L158 Benchmark]: RCFGBuilder took 5251.23ms. Allocated memory is still 92.3MB. Free memory was 48.5MB in the beginning and 55.8MB in the end (delta: -7.4MB). Peak memory consumption was 8.8MB. Max. memory is 16.1GB. [2024-09-21 19:10:41,119 INFO L158 Benchmark]: Referee took 331.08ms. Allocated memory is still 92.3MB. Free memory was 55.8MB in the beginning and 44.9MB in the end (delta: 10.9MB). Peak memory consumption was 17.8MB. Max. memory is 16.1GB. [2024-09-21 19:10:41,122 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.referee: - AnnotationCheckResult: Annotation is not a valid proof of correctness. Annotation is not a valid proof of correctness. Annotation is not valid for all loop-free paths from entry of procedure __VERIFIER_assert to check that a call to reach_error is unreachable at line 20. One counterexample starts in \old(cond)=0 and ends in \old(cond)=0, cond=0. Annotation is valid for all loop-free paths from entry of procedure main to check that procedure precondition always holds at line 30. Annotation is valid for all loop-free paths from entry of procedure main to check that procedure precondition always holds at line 32. Annotation is valid for all loop-free paths from entry of procedure assume_abort_if_not to exit of procedure assume_abort_if_not. Annotation is valid for all loop-free paths from loop head at line 41 to exit of procedure main. Annotation is valid for all loop-free paths from entry of procedure main to check that procedure precondition always holds at line 32. Annotation is valid for all loop-free paths from entry of procedure ULTIMATE.start to check that procedure precondition always holds at line -1. Annotation is valid for all loop-free paths from entry of procedure main to check that procedure precondition always holds at line 33. * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14ms. Allocated memory is still 60.8MB. Free memory was 41.5MB in the beginning and 41.4MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. * Witness Parser took 0.13ms. Allocated memory is still 92.3MB. Free memory is still 68.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 398.60ms. Allocated memory is still 92.3MB. Free memory was 66.8MB in the beginning and 51.3MB in the end (delta: 15.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Preprocessor took 83.14ms. Allocated memory is still 92.3MB. Free memory was 51.0MB in the beginning and 48.5MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 5251.23ms. Allocated memory is still 92.3MB. Free memory was 48.5MB in the beginning and 55.8MB in the end (delta: -7.4MB). Peak memory consumption was 8.8MB. Max. memory is 16.1GB. * Referee took 331.08ms. Allocated memory is still 92.3MB. Free memory was 55.8MB in the beginning and 44.9MB in the end (delta: 10.9MB). Peak memory consumption was 17.8MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be incorrect! [2024-09-21 19:10:41,308 INFO L552 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/referee/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request...