This is Ultimate 0.2.4-tmp.dk.referee-eval-27b4987-m [2024-09-21 19:10:26,579 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-21 19:10:26,640 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Default.epf [2024-09-21 19:10:26,646 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-21 19:10:26,647 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-21 19:10:26,681 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-21 19:10:26,683 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-21 19:10:26,683 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-21 19:10:26,683 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-21 19:10:26,684 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-21 19:10:26,684 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-21 19:10:26,684 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-21 19:10:26,685 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-21 19:10:26,687 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-21 19:10:26,687 INFO L153 SettingsManager]: * Use SBE=true [2024-09-21 19:10:26,687 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-21 19:10:26,687 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-21 19:10:26,687 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-21 19:10:26,688 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-09-21 19:10:26,688 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-21 19:10:26,688 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-21 19:10:26,691 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-21 19:10:26,694 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-21 19:10:26,694 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-21 19:10:26,695 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-21 19:10:26,695 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-21 19:10:26,695 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-21 19:10:26,695 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-21 19:10:26,695 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-21 19:10:26,695 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-21 19:10:26,696 INFO L153 SettingsManager]: * Future-live optimization=false [2024-09-21 19:10:26,696 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-21 19:10:26,696 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-21 19:10:26,696 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-21 19:10:26,696 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-21 19:10:26,696 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-21 19:10:26,696 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-21 19:10:26,697 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-09-21 19:10:26,697 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-09-21 19:10:26,697 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-21 19:10:26,697 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-21 19:10:26,698 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-21 19:10:26,698 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-21 19:10:26,698 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None [2024-09-21 19:10:26,936 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-21 19:10:26,951 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-21 19:10:26,953 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-21 19:10:26,954 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-21 19:10:26,955 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-21 19:10:26,956 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/cpachecker-verification-files/SV-COMP24_unreach-call/knuth_valuebound10.yml/output/witness-2.1.yml [2024-09-21 19:10:27,040 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-21 19:10:27,042 INFO L274 PluginConnector]: CDTParser initialized [2024-09-21 19:10:27,044 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/nla-digbench-scaling/knuth_valuebound10.i [2024-09-21 19:10:28,426 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-21 19:10:28,597 INFO L384 CDTParser]: Found 1 translation units. [2024-09-21 19:10:28,599 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench-scaling/knuth_valuebound10.i [2024-09-21 19:10:28,607 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/2f0e608c4/d5fd699db947419f8e53636d849196ca/FLAGb34f439dd [2024-09-21 19:10:28,625 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/2f0e608c4/d5fd699db947419f8e53636d849196ca [2024-09-21 19:10:28,626 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-21 19:10:28,628 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-09-21 19:10:28,629 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-21 19:10:28,629 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-21 19:10:28,634 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-21 19:10:28,635 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 07:10:27" (1/2) ... [2024-09-21 19:10:28,636 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@48a326b1 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 21.09 07:10:28, skipping insertion in model container [2024-09-21 19:10:28,636 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 07:10:27" (1/2) ... [2024-09-21 19:10:28,637 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@17b93716 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 21.09 07:10:28, skipping insertion in model container [2024-09-21 19:10:28,637 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 07:10:28" (2/2) ... [2024-09-21 19:10:28,637 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@48a326b1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 07:10:28, skipping insertion in model container [2024-09-21 19:10:28,637 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 07:10:28" (2/2) ... [2024-09-21 19:10:28,647 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-21 19:10:28,648 INFO L1541 ArrayList]: Function contract at [L26]: requires 1, ensures 1 [2024-09-21 19:10:28,648 INFO L1541 ArrayList]: Function contract at [L15]: requires 1, ensures (!(1) || (1)) [2024-09-21 19:10:28,666 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-21 19:10:28,796 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_valuebound10.i[948,961] [2024-09-21 19:10:28,815 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$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2024-09-21 19:10:28,821 INFO L158 Benchmark]: Toolchain (without parser) took 193.02ms. Allocated memory is still 138.4MB. Free memory was 62.4MB in the beginning and 52.2MB in the end (delta: 10.2MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2024-09-21 19:10:28,822 INFO L158 Benchmark]: Witness Parser took 0.15ms. Allocated memory is still 138.4MB. Free memory is still 100.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-21 19:10:28,822 INFO L158 Benchmark]: CDTParser took 0.23ms. Allocated memory is still 138.4MB. Free memory is still 109.6MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-21 19:10:28,823 INFO L158 Benchmark]: CACSL2BoogieTranslator took 191.39ms. Allocated memory is still 138.4MB. Free memory was 62.4MB in the beginning and 52.2MB in the end (delta: 10.2MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2024-09-21 19:10:28,824 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Witness Parser took 0.15ms. Allocated memory is still 138.4MB. Free memory is still 100.2MB. There was no memory consumed. Max. memory is 16.1GB. * CDTParser took 0.23ms. Allocated memory is still 138.4MB. Free memory is still 109.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 191.39ms. Allocated memory is still 138.4MB. Free memory was 62.4MB in the beginning and 52.2MB in the end (delta: 10.2MB). 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 19:10:30,740 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-21 19:10:30,807 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Bitvector.epf [2024-09-21 19:10:30,813 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-21 19:10:30,814 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-21 19:10:30,841 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-21 19:10:30,841 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-21 19:10:30,842 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-21 19:10:30,842 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-21 19:10:30,842 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-21 19:10:30,843 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-21 19:10:30,843 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-21 19:10:30,843 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-21 19:10:30,844 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-21 19:10:30,844 INFO L153 SettingsManager]: * Use SBE=true [2024-09-21 19:10:30,844 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-21 19:10:30,845 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-21 19:10:30,845 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-21 19:10:30,845 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-21 19:10:30,845 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-21 19:10:30,846 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-21 19:10:30,849 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-21 19:10:30,850 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-21 19:10:30,850 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-09-21 19:10:30,850 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-09-21 19:10:30,850 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-21 19:10:30,850 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-09-21 19:10:30,851 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-21 19:10:30,851 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-21 19:10:30,851 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-21 19:10:30,851 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-21 19:10:30,851 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-21 19:10:30,852 INFO L153 SettingsManager]: * Future-live optimization=false [2024-09-21 19:10:30,852 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-21 19:10:30,852 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-21 19:10:30,852 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-21 19:10:30,853 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-21 19:10:30,853 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-21 19:10:30,853 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-21 19:10:30,857 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-09-21 19:10:30,857 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-09-21 19:10:30,858 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-21 19:10:30,858 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-21 19:10:30,858 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-21 19:10:30,858 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-21 19:10:30,860 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2024-09-21 19:10:30,860 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None [2024-09-21 19:10:31,116 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-21 19:10:31,154 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-21 19:10:31,160 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-21 19:10:31,161 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-21 19:10:31,164 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-21 19:10:31,166 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/cpachecker-verification-files/SV-COMP24_unreach-call/knuth_valuebound10.yml/output/witness-2.1.yml [2024-09-21 19:10:31,210 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-21 19:10:31,210 INFO L274 PluginConnector]: CDTParser initialized [2024-09-21 19:10:31,211 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/nla-digbench-scaling/knuth_valuebound10.i [2024-09-21 19:10:32,616 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-21 19:10:32,777 INFO L384 CDTParser]: Found 1 translation units. [2024-09-21 19:10:32,778 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench-scaling/knuth_valuebound10.i [2024-09-21 19:10:32,785 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/7e09e3339/607646930e834a258481be0c864c2aac/FLAGadc2f71a4 [2024-09-21 19:10:33,172 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/7e09e3339/607646930e834a258481be0c864c2aac [2024-09-21 19:10:33,173 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-21 19:10:33,174 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-09-21 19:10:33,176 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-21 19:10:33,176 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-21 19:10:33,179 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-21 19:10:33,180 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 07:10:31" (1/2) ... [2024-09-21 19:10:33,183 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7a845226 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 21.09 07:10:33, skipping insertion in model container [2024-09-21 19:10:33,183 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 07:10:31" (1/2) ... [2024-09-21 19:10:33,184 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@4187a8b1 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 21.09 07:10:33, skipping insertion in model container [2024-09-21 19:10:33,184 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 07:10:33" (2/2) ... [2024-09-21 19:10:33,185 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7a845226 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 07:10:33, skipping insertion in model container [2024-09-21 19:10:33,185 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 07:10:33" (2/2) ... [2024-09-21 19:10:33,193 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-21 19:10:33,193 INFO L1541 ArrayList]: Function contract at [L15]: requires 1, ensures (!(1) || (1)) [2024-09-21 19:10:33,194 INFO L1541 ArrayList]: Function contract at [L26]: requires 1, ensures 1 [2024-09-21 19:10:33,212 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-21 19:10:33,346 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_valuebound10.i[948,961] [2024-09-21 19:10:33,374 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-21 19:10:33,388 INFO L200 MainTranslator]: Completed pre-run Start Parsing Global Start Parsing Global [2024-09-21 19:10:33,429 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_valuebound10.i[948,961] Start Parsing Global Start Parsing Global [2024-09-21 19:10:33,456 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-21 19:10:33,480 INFO L204 MainTranslator]: Completed translation [2024-09-21 19:10:33,480 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 07:10:33 WrapperNode [2024-09-21 19:10:33,481 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-21 19:10:33,481 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-21 19:10:33,481 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-21 19:10:33,482 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-21 19:10:33,492 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 07:10:33" (1/1) ... [2024-09-21 19:10:33,492 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 07:10:33" (1/1) ... [2024-09-21 19:10:33,502 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 07:10:33" (1/1) ... [2024-09-21 19:10:33,523 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 19:10:33,523 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 07:10:33" (1/1) ... [2024-09-21 19:10:33,523 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 07:10:33" (1/1) ... [2024-09-21 19:10:33,548 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 07:10:33" (1/1) ... [2024-09-21 19:10:33,551 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 07:10:33" (1/1) ... [2024-09-21 19:10:33,552 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 07:10:33" (1/1) ... [2024-09-21 19:10:33,553 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 07:10:33" (1/1) ... [2024-09-21 19:10:33,555 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-21 19:10:33,556 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-21 19:10:33,556 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-21 19:10:33,556 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-21 19:10:33,557 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 07:10:33" (1/1) ... [2024-09-21 19:10:33,562 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-21 19:10:33,570 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-09-21 19:10:33,584 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 19:10:33,587 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 19:10:33,638 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-09-21 19:10:33,639 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-21 19:10:33,640 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.setCurrentRoundingMode [2024-09-21 19:10:33,640 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-09-21 19:10:33,640 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-09-21 19:10:33,640 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-09-21 19:10:33,640 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-09-21 19:10:33,640 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-09-21 19:10:33,640 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-09-21 19:10:33,640 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_perror_fail [2024-09-21 19:10:33,640 INFO L130 BoogieDeclarations]: Found specification of procedure __assert [2024-09-21 19:10:33,640 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-09-21 19:10:33,640 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-21 19:10:33,640 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2024-09-21 19:10:33,640 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-09-21 19:10:33,640 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-09-21 19:10:33,641 INFO L130 BoogieDeclarations]: Found specification of procedure sqrt [2024-09-21 19:10:33,641 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-09-21 19:10:33,641 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-09-21 19:10:33,641 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-09-21 19:10:33,641 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-21 19:10:33,641 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.setCurrentRoundingMode [2024-09-21 19:10:33,641 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2024-09-21 19:10:33,641 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2024-09-21 19:10:33,641 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-09-21 19:10:33,718 INFO L242 CfgBuilder]: Building ICFG [2024-09-21 19:10:33,721 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-21 19:10:33,789 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-21 19:10:33,803 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-21 19:10:38,614 INFO L291 CfgBuilder]: Performing block encoding [2024-09-21 19:10:38,638 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-21 19:10:38,638 INFO L318 CfgBuilder]: Removed 2 assume(true) statements. [2024-09-21 19:10:38,638 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 07:10:38 BoogieIcfgContainer [2024-09-21 19:10:38,639 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-21 19:10:38,639 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-09-21 19:10:38,639 INFO L270 PluginConnector]: Initializing Referee... [2024-09-21 19:10:38,640 INFO L274 PluginConnector]: Referee initialized [2024-09-21 19:10:38,640 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 07:10:31" (1/4) ... [2024-09-21 19:10:38,640 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@3d2f626c and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 21.09 07:10:38, skipping insertion in model container [2024-09-21 19:10:38,640 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 21.09 07:10:33" (2/4) ... [2024-09-21 19:10:38,641 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@3d2f626c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 21.09 07:10:38, skipping insertion in model container [2024-09-21 19:10:38,641 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 07:10:33" (3/4) ... [2024-09-21 19:10:38,641 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@3d2f626c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 21.09 07:10:38, skipping insertion in model container [2024-09-21 19:10:38,641 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 07:10:38" (4/4) ... [2024-09-21 19:10:38,642 INFO L79 RefereeObserver]: Analyzing ICFG knuth_valuebound10.i [2024-09-21 19:10:38,644 INFO L113 InvariantChecker]: Found 1 loops. [2024-09-21 19:10:38,645 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 19:10:38,645 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 19:10:38,645 INFO L373 InvariantChecker]: Will check inductivity from ENTRY mainENTRY to ERROR_LOC mainErr2REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 5 edges. [2024-09-21 19:10:38,645 INFO L373 InvariantChecker]: Will check inductivity from ENTRY mainENTRY to ERROR_LOC mainErr0REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 2 edges. [2024-09-21 19:10:38,646 INFO L373 InvariantChecker]: Will check inductivity from ENTRY mainENTRY to ERROR_LOC mainErr1REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 4 edges. [2024-09-21 19:10:38,646 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 19:10:38,646 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 19:10:38,646 INFO L373 InvariantChecker]: Will check inductivity from ENTRY mainENTRY to ERROR_LOC mainErr3REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 6 edges. [2024-09-21 19:10:38,646 INFO L131 InvariantChecker]: Will check 1 loop-free subgraphs from loop head to error location, 7 loop-free subgraphs from procedure entry to error location [2024-09-21 19:10:38,687 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 4 edges [2024-09-21 19:10:38,687 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 19:10:38,688 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 19:10:38,688 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 19:10:38,689 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 19:10:38,690 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:10:38,698 INFO L101 BaseMinimizeStates]: Removed 6 edges and 2 locations by large block encoding [2024-09-21 19:10:38,699 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:10:38,699 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 19:10:38,699 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 19:10:38,699 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 19:10:38,701 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 19:10:38,718 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 19:10:38,743 INFO L314 BlockEncoder]: Initial Icfg 9 locations, 10 edges [2024-09-21 19:10:38,743 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 19:10:38,743 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 19:10:38,743 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 19:10:38,743 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 19:10:38,744 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:10:38,747 INFO L101 BaseMinimizeStates]: Removed 18 edges and 7 locations by large block encoding [2024-09-21 19:10:38,747 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:10:38,747 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 19:10:38,747 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 19:10:38,747 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 19:10:38,748 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 19:10:38,749 INFO L520 InvariantChecker]: The annotation(s) from loop head L58-2 to error location mainErr4ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-21 19:10:38,774 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 5 edges [2024-09-21 19:10:38,775 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 19:10:38,775 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 19:10:38,775 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 19:10:38,775 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 19:10:38,775 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:10:38,777 INFO L101 BaseMinimizeStates]: Removed 8 edges and 4 locations by large block encoding [2024-09-21 19:10:38,777 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:10:38,777 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 19:10:38,777 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 19:10:38,777 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 19:10:38,777 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 19:10:38,778 INFO L520 InvariantChecker]: The annotation(s) from entry mainENTRY to error location mainErr2REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-21 19:10:38,802 INFO L314 BlockEncoder]: Initial Icfg 3 locations, 2 edges [2024-09-21 19:10:38,803 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 19:10:38,803 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 19:10:38,803 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 19:10:38,803 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 19:10:38,803 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:10:38,804 INFO L101 BaseMinimizeStates]: Removed 2 edges and 1 locations by large block encoding [2024-09-21 19:10:38,804 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:10:38,804 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 19:10:38,804 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 19:10:38,804 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 19:10:38,804 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 19:10:38,807 INFO L520 InvariantChecker]: The annotation(s) from entry mainENTRY to error location mainErr0REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-21 19:10:38,824 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 4 edges [2024-09-21 19:10:38,826 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 19:10:38,827 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 19:10:38,827 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 19:10:38,827 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 19:10:38,827 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:10:38,829 INFO L101 BaseMinimizeStates]: Removed 6 edges and 3 locations by large block encoding [2024-09-21 19:10:38,829 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:10:38,829 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 19:10:38,829 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 19:10:38,829 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 19:10:38,829 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 19:10:38,831 INFO L520 InvariantChecker]: The annotation(s) from entry mainENTRY to error location mainErr1REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-21 19:10:38,845 INFO L314 BlockEncoder]: Initial Icfg 3 locations, 2 edges [2024-09-21 19:10:38,846 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 19:10:38,846 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 19:10:38,847 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 19:10:38,847 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 19:10:38,847 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:10:38,848 INFO L101 BaseMinimizeStates]: Removed 2 edges and 1 locations by large block encoding [2024-09-21 19:10:38,848 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:10:38,848 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 19:10:38,848 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 19:10:38,848 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 19:10:38,848 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 19:10:38,850 INFO L520 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to error location ULTIMATE.startErr0REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-21 19:10:38,862 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-21 19:10:38,862 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 19:10:38,862 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 19:10:38,862 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 19:10:38,863 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 19:10:38,863 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:10:38,864 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-21 19:10:38,864 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:10:38,864 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 19:10:38,864 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 19:10:38,864 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 19:10:38,865 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 19:10:38,913 INFO L314 BlockEncoder]: Initial Icfg 7 locations, 6 edges [2024-09-21 19:10:38,914 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 19:10:38,914 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 19:10:38,914 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 19:10:38,914 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 19:10:38,914 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:10:38,916 INFO L101 BaseMinimizeStates]: Removed 10 edges and 5 locations by large block encoding [2024-09-21 19:10:38,916 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:10:38,916 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 19:10:38,917 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 19:10:38,917 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 19:10:38,917 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 19:10:38,918 INFO L520 InvariantChecker]: The annotation(s) from entry mainENTRY to error location mainErr3REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-21 19:10:38,928 INFO L58 RefereeStarter]: Annotation is not a valid proof of correctness. [2024-09-21 19:10:38,929 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@3d2f626c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee CFG 21.09 07:10:38, skipping insertion in model container [2024-09-21 19:10:38,929 INFO L131 PluginConnector]: ------------------------ END Referee---------------------------- [2024-09-21 19:10:38,931 INFO L158 Benchmark]: Toolchain (without parser) took 5756.34ms. Allocated memory is still 90.2MB. Free memory was 60.5MB in the beginning and 39.6MB in the end (delta: 21.0MB). Peak memory consumption was 28.4MB. Max. memory is 16.1GB. [2024-09-21 19:10:38,931 INFO L158 Benchmark]: Witness Parser took 0.29ms. Allocated memory is still 65.0MB. Free memory is still 45.6MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-21 19:10:38,931 INFO L158 Benchmark]: CDTParser took 0.13ms. Allocated memory is still 65.0MB. Free memory is still 43.5MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-21 19:10:38,932 INFO L158 Benchmark]: CACSL2BoogieTranslator took 305.23ms. Allocated memory is still 90.2MB. Free memory was 60.3MB in the beginning and 44.6MB in the end (delta: 15.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-09-21 19:10:38,932 INFO L158 Benchmark]: Boogie Preprocessor took 74.28ms. Allocated memory is still 90.2MB. Free memory was 44.6MB in the beginning and 67.9MB in the end (delta: -23.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-09-21 19:10:38,934 INFO L158 Benchmark]: RCFGBuilder took 5082.42ms. Allocated memory is still 90.2MB. Free memory was 67.9MB in the beginning and 48.6MB in the end (delta: 19.2MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2024-09-21 19:10:38,934 INFO L158 Benchmark]: Referee took 290.10ms. Allocated memory is still 90.2MB. Free memory was 48.6MB in the beginning and 39.6MB in the end (delta: 9.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-09-21 19:10:38,936 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.referee: - AnnotationCheckResult: Annotation is not a valid proof of correctness. Annotation is not a valid proof of correctness. Annotation is not valid for all loop-free paths from entry of procedure __VERIFIER_assert to check that a call to reach_error is unreachable at line 20. One counterexample starts in \old(cond)=0 and ends in \old(cond)=0, cond=0. Annotation is valid for all loop-free paths from entry of procedure main to check that procedure precondition always holds at line 32. Annotation is valid for all loop-free paths from entry of procedure main to check that procedure precondition always holds at line 30. Annotation is valid for all loop-free paths from entry of procedure main to check that procedure precondition always holds at line 33. Annotation is valid for all loop-free paths from entry of procedure assume_abort_if_not to exit of procedure assume_abort_if_not. Annotation is valid for all loop-free paths from entry of procedure main to check that procedure precondition always holds at line 32. Annotation is valid for all loop-free paths from loop head at line 41 to exit of procedure main. Annotation is valid for all loop-free paths from entry of procedure ULTIMATE.start to check that procedure precondition always holds at line -1. * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Witness Parser took 0.29ms. Allocated memory is still 65.0MB. Free memory is still 45.6MB. There was no memory consumed. Max. memory is 16.1GB. * CDTParser took 0.13ms. Allocated memory is still 65.0MB. Free memory is still 43.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 305.23ms. Allocated memory is still 90.2MB. Free memory was 60.3MB in the beginning and 44.6MB in the end (delta: 15.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Preprocessor took 74.28ms. Allocated memory is still 90.2MB. Free memory was 44.6MB in the beginning and 67.9MB in the end (delta: -23.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 5082.42ms. Allocated memory is still 90.2MB. Free memory was 67.9MB in the beginning and 48.6MB in the end (delta: 19.2MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * Referee took 290.10ms. Allocated memory is still 90.2MB. Free memory was 48.6MB in the beginning and 39.6MB in the end (delta: 9.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be incorrect! [2024-09-21 19:10:39,152 WARN L435 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/referee/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forcibly destroying the process [2024-09-21 19:10:39,163 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...