./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/nla-digbench-scaling/knuth_valuebound1.i --full-output --witness-type correctness_witness --validate ../results/automizer-verification-files/SV-COMP24_unreach-call/knuth_valuebound1.yml/witness-2.1.yml --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version a9b967e5 Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/certificate-witnesses-artifact/referee/data/config -Xmx15G -Xms4m -jar /storage/repos/certificate-witnesses-artifact/referee/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/certificate-witnesses-artifact/referee/data -tc /storage/repos/certificate-witnesses-artifact/referee/config/RefereeReachWitnessValidation.xml -i ../sv-benchmarks/c/nla-digbench-scaling/knuth_valuebound1.i ../results/automizer-verification-files/SV-COMP24_unreach-call/knuth_valuebound1.yml/witness-2.1.yml -s /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Default.epf --cacsl2boogietranslator.entry.function main --traceabstraction.positions.where.we.compute.the.hoare.annotation None --- Real Ultimate output --- This is Ultimate 0.2.4-dev-a9b967e-m [2024-09-11 20:51:00,318 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-11 20:51:00,368 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Default.epf [2024-09-11 20:51:00,371 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-11 20:51:00,371 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-11 20:51:00,409 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-11 20:51:00,409 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-11 20:51:00,410 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-11 20:51:00,410 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-11 20:51:00,411 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-11 20:51:00,411 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-11 20:51:00,412 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-11 20:51:00,412 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-11 20:51:00,412 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-11 20:51:00,413 INFO L153 SettingsManager]: * Use SBE=true [2024-09-11 20:51:00,413 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-11 20:51:00,413 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-11 20:51:00,413 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-11 20:51:00,413 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-09-11 20:51:00,422 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-11 20:51:00,424 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-11 20:51:00,425 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-11 20:51:00,425 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-11 20:51:00,425 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-11 20:51:00,426 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-11 20:51:00,426 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-11 20:51:00,426 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-11 20:51:00,426 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-11 20:51:00,427 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-11 20:51:00,427 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-11 20:51:00,427 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-11 20:51:00,427 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-11 20:51:00,427 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-11 20:51:00,428 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-11 20:51:00,428 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-11 20:51:00,428 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-11 20:51:00,428 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-09-11 20:51:00,429 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-09-11 20:51:00,429 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-11 20:51:00,430 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-11 20:51:00,431 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-11 20:51:00,431 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-11 20:51:00,431 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None [2024-09-11 20:51:00,655 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-11 20:51:00,676 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-11 20:51:00,682 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-11 20:51:00,684 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-11 20:51:00,684 INFO L274 PluginConnector]: CDTParser initialized [2024-09-11 20:51:00,685 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/nla-digbench-scaling/knuth_valuebound1.i [2024-09-11 20:51:02,052 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-11 20:51:02,234 INFO L384 CDTParser]: Found 1 translation units. [2024-09-11 20:51:02,235 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench-scaling/knuth_valuebound1.i [2024-09-11 20:51:02,247 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/c9c87d929/c07f8baab1ef410bab54985a56a810e3/FLAGb6372f211 [2024-09-11 20:51:02,622 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/c9c87d929/c07f8baab1ef410bab54985a56a810e3 [2024-09-11 20:51:02,625 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-11 20:51:02,625 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-11 20:51:02,626 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/automizer-verification-files/SV-COMP24_unreach-call/knuth_valuebound1.yml/witness-2.1.yml [2024-09-11 20:51:02,669 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-11 20:51:02,670 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-09-11 20:51:02,671 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-11 20:51:02,671 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-11 20:51:02,676 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-11 20:51:02,677 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.09 08:51:02" (1/2) ... [2024-09-11 20:51:02,678 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5c1884d6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:51:02, skipping insertion in model container [2024-09-11 20:51:02,678 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.09 08:51:02" (1/2) ... [2024-09-11 20:51:02,681 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@151ec991 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:51:02, skipping insertion in model container [2024-09-11 20:51:02,682 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 11.09 08:51:02" (2/2) ... [2024-09-11 20:51:02,682 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5c1884d6 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 11.09 08:51:02, skipping insertion in model container [2024-09-11 20:51:02,682 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 11.09 08:51:02" (2/2) ... [2024-09-11 20:51:02,691 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-11 20:51:02,692 INFO L1541 ArrayList]: Loop invariant at [L41-L71] 0 [2024-09-11 20:51:02,693 INFO L1541 ArrayList]: Function contract at [L15]: requires null, ensures (0 != \old(cond)) [2024-09-11 20:51:02,693 INFO L1541 ArrayList]: Function contract at [L18]: requires 0, ensures 0 [2024-09-11 20:51:02,711 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-11 20:51:02,838 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench-scaling/knuth_valuebound1.i[948,961] [2024-09-11 20:51:02,857 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator has thrown an exception: java.lang.UnsupportedOperationException: floating point operation not supported in non-bitprecise translation: sqrt at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.expressiontranslation.IntegerTranslation.constructOtherUnaryFloatOperation(IntegerTranslation.java:610) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.standardfunctions.StandardFunctionHandler.handleUnaryFloatFunction(StandardFunctionHandler.java:2721) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.standardfunctions.StandardFunctionHandler.translateStandardFunction(StandardFunctionHandler.java:252) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1586) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:271) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:789) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:286) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1494) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:224) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.handleCompoundStatement(CHandler.java:1150) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1133) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:236) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.chandler.FunctionHandler.handleFunctionDefinition(FunctionHandler.java:387) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1613) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:159) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.processTUchild(CHandler.java:3471) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2497) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:639) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:135) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.translate(MainTranslator.java:189) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.run(MainTranslator.java:116) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.(MainTranslator.java:94) at de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver.finish(CACSL2BoogieTranslatorObserver.java:145) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2024-09-11 20:51:02,862 INFO L158 Benchmark]: Toolchain (without parser) took 190.99ms. Allocated memory is still 169.9MB. Free memory was 125.8MB in the beginning and 114.7MB in the end (delta: 11.1MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2024-09-11 20:51:02,862 INFO L158 Benchmark]: CDTParser took 0.21ms. Allocated memory is still 169.9MB. Free memory was 137.1MB in the beginning and 137.0MB in the end (delta: 160.8kB). There was no memory consumed. Max. memory is 16.1GB. [2024-09-11 20:51:02,863 INFO L158 Benchmark]: Witness Parser took 0.08ms. Allocated memory is still 169.9MB. Free memory is still 127.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-11 20:51:02,863 INFO L158 Benchmark]: CACSL2BoogieTranslator took 189.40ms. Allocated memory is still 169.9MB. Free memory was 125.2MB in the beginning and 114.7MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2024-09-11 20:51:02,865 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21ms. Allocated memory is still 169.9MB. Free memory was 137.1MB in the beginning and 137.0MB in the end (delta: 160.8kB). There was no memory consumed. Max. memory is 16.1GB. * Witness Parser took 0.08ms. Allocated memory is still 169.9MB. Free memory is still 127.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 189.40ms. Allocated memory is still 169.9MB. Free memory was 125.2MB in the beginning and 114.7MB in the end (delta: 10.5MB). 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... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/certificate-witnesses-artifact/referee/data/config -Xmx15G -Xms4m -jar /storage/repos/certificate-witnesses-artifact/referee/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/certificate-witnesses-artifact/referee/data -tc /storage/repos/certificate-witnesses-artifact/referee/config/RefereeReachWitnessValidation.xml -i ../sv-benchmarks/c/nla-digbench-scaling/knuth_valuebound1.i ../results/automizer-verification-files/SV-COMP24_unreach-call/knuth_valuebound1.yml/witness-2.1.yml -s /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Bitvector.epf --cacsl2boogietranslator.entry.function main --traceabstraction.positions.where.we.compute.the.hoare.annotation None --- Real Ultimate output --- This is Ultimate 0.2.4-dev-a9b967e-m [2024-09-11 20:51:04,772 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-11 20:51:04,852 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Bitvector.epf [2024-09-11 20:51:04,860 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-11 20:51:04,861 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-11 20:51:04,888 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-11 20:51:04,890 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-11 20:51:04,891 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-11 20:51:04,891 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-11 20:51:04,893 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-11 20:51:04,893 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-11 20:51:04,894 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-11 20:51:04,894 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-11 20:51:04,897 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-11 20:51:04,897 INFO L153 SettingsManager]: * Use SBE=true [2024-09-11 20:51:04,898 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-11 20:51:04,898 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-11 20:51:04,898 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-11 20:51:04,898 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-11 20:51:04,899 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-11 20:51:04,899 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-11 20:51:04,899 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-11 20:51:04,899 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-11 20:51:04,900 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-09-11 20:51:04,900 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-09-11 20:51:04,900 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-11 20:51:04,900 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-09-11 20:51:04,900 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-11 20:51:04,901 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-11 20:51:04,901 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-11 20:51:04,901 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-11 20:51:04,901 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-11 20:51:04,901 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-11 20:51:04,902 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-11 20:51:04,902 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-11 20:51:04,904 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-11 20:51:04,905 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-11 20:51:04,906 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-11 20:51:04,906 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-09-11 20:51:04,906 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-09-11 20:51:04,907 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-11 20:51:04,907 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-11 20:51:04,907 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-11 20:51:04,907 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-11 20:51:04,908 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2024-09-11 20:51:04,908 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None [2024-09-11 20:51:05,234 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-11 20:51:05,264 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-11 20:51:05,267 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-11 20:51:05,268 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-11 20:51:05,268 INFO L274 PluginConnector]: CDTParser initialized [2024-09-11 20:51:05,269 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/nla-digbench-scaling/knuth_valuebound1.i [2024-09-11 20:51:06,652 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-11 20:51:06,860 INFO L384 CDTParser]: Found 1 translation units. [2024-09-11 20:51:06,861 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench-scaling/knuth_valuebound1.i [2024-09-11 20:51:06,867 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/d38b0cec7/6ae842c8c26c454cb5df27e4105b2bf8/FLAG4212495ec [2024-09-11 20:51:06,880 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/d38b0cec7/6ae842c8c26c454cb5df27e4105b2bf8 [2024-09-11 20:51:06,882 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-11 20:51:06,883 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-11 20:51:06,883 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/automizer-verification-files/SV-COMP24_unreach-call/knuth_valuebound1.yml/witness-2.1.yml [2024-09-11 20:51:06,930 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-11 20:51:06,931 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-09-11 20:51:06,932 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-11 20:51:06,932 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-11 20:51:06,936 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-11 20:51:06,936 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.09 08:51:06" (1/2) ... [2024-09-11 20:51:06,937 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@68f58be4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:51:06, skipping insertion in model container [2024-09-11 20:51:06,937 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.09 08:51:06" (1/2) ... [2024-09-11 20:51:06,938 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@12e133ae and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:51:06, skipping insertion in model container [2024-09-11 20:51:06,938 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 11.09 08:51:06" (2/2) ... [2024-09-11 20:51:06,938 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@68f58be4 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 11.09 08:51:06, skipping insertion in model container [2024-09-11 20:51:06,938 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 11.09 08:51:06" (2/2) ... [2024-09-11 20:51:06,950 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-11 20:51:06,950 INFO L1541 ArrayList]: Loop invariant at [L41-L71] 0 [2024-09-11 20:51:06,950 INFO L1541 ArrayList]: Function contract at [L15]: requires null, ensures (0 != \old(cond)) [2024-09-11 20:51:06,951 INFO L1541 ArrayList]: Function contract at [L18]: requires 0, ensures 0 [2024-09-11 20:51:06,968 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-11 20:51:07,106 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench-scaling/knuth_valuebound1.i[948,961] [2024-09-11 20:51:07,138 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-11 20:51:07,149 INFO L200 MainTranslator]: Completed pre-run Start Parsing Global Start Parsing Global Start Parsing Global [2024-09-11 20:51:07,182 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench-scaling/knuth_valuebound1.i[948,961] Start Parsing Local [2024-09-11 20:51:07,200 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-11 20:51:07,227 INFO L204 MainTranslator]: Completed translation [2024-09-11 20:51:07,228 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 11.09 08:51:07 WrapperNode [2024-09-11 20:51:07,228 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-11 20:51:07,229 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-11 20:51:07,229 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-11 20:51:07,229 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-11 20:51:07,240 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 11.09 08:51:07" (1/1) ... [2024-09-11 20:51:07,240 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 11.09 08:51:07" (1/1) ... [2024-09-11 20:51:07,252 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 11.09 08:51:07" (1/1) ... [2024-09-11 20:51:07,261 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 [2024-09-11 20:51:07,261 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 11.09 08:51:07" (1/1) ... [2024-09-11 20:51:07,262 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 11.09 08:51:07" (1/1) ... [2024-09-11 20:51:07,275 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 11.09 08:51:07" (1/1) ... [2024-09-11 20:51:07,278 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 11.09 08:51:07" (1/1) ... [2024-09-11 20:51:07,280 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 11.09 08:51:07" (1/1) ... [2024-09-11 20:51:07,281 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 11.09 08:51:07" (1/1) ... [2024-09-11 20:51:07,283 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-11 20:51:07,287 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-11 20:51:07,287 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-11 20:51:07,287 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-11 20:51:07,288 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 11.09 08:51:07" (1/1) ... [2024-09-11 20:51:07,291 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-11 20:51:07,298 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-09-11 20:51:07,311 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) [2024-09-11 20:51:07,313 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 [2024-09-11 20:51:07,347 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-09-11 20:51:07,347 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-11 20:51:07,348 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.setCurrentRoundingMode [2024-09-11 20:51:07,348 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-09-11 20:51:07,348 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-09-11 20:51:07,348 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-09-11 20:51:07,348 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-09-11 20:51:07,348 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-09-11 20:51:07,348 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-09-11 20:51:07,348 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_perror_fail [2024-09-11 20:51:07,348 INFO L130 BoogieDeclarations]: Found specification of procedure __assert [2024-09-11 20:51:07,349 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-09-11 20:51:07,349 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-11 20:51:07,349 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2024-09-11 20:51:07,349 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-09-11 20:51:07,349 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-09-11 20:51:07,349 INFO L130 BoogieDeclarations]: Found specification of procedure sqrt [2024-09-11 20:51:07,349 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-09-11 20:51:07,349 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-09-11 20:51:07,349 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-09-11 20:51:07,350 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-11 20:51:07,350 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.setCurrentRoundingMode [2024-09-11 20:51:07,350 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2024-09-11 20:51:07,350 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2024-09-11 20:51:07,350 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-09-11 20:51:07,419 INFO L242 CfgBuilder]: Building ICFG [2024-09-11 20:51:07,421 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-11 20:51:12,227 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-11 20:51:12,403 INFO L? ?]: Removed 12 outVars from TransFormulas that were not future-live. [2024-09-11 20:51:12,403 INFO L291 CfgBuilder]: Performing block encoding [2024-09-11 20:51:12,424 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-11 20:51:12,425 INFO L318 CfgBuilder]: Removed 1 assume(true) statements. [2024-09-11 20:51:12,425 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.09 08:51:12 BoogieIcfgContainer [2024-09-11 20:51:12,425 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-11 20:51:12,426 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-09-11 20:51:12,426 INFO L270 PluginConnector]: Initializing Referee... [2024-09-11 20:51:12,427 INFO L274 PluginConnector]: Referee initialized [2024-09-11 20:51:12,427 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 11.09 08:51:06" (1/4) ... [2024-09-11 20:51:12,427 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@53788448 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 11.09 08:51:12, skipping insertion in model container [2024-09-11 20:51:12,427 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 11.09 08:51:06" (2/4) ... [2024-09-11 20:51:12,428 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@53788448 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 11.09 08:51:12, skipping insertion in model container [2024-09-11 20:51:12,428 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 11.09 08:51:07" (3/4) ... [2024-09-11 20:51:12,428 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@53788448 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 11.09 08:51:12, skipping insertion in model container [2024-09-11 20:51:12,428 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.09 08:51:12" (4/4) ... [2024-09-11 20:51:12,432 INFO L79 RefereeObserver]: Analyzing ICFG knuth_valuebound1.i [2024-09-11 20:51:12,435 INFO L112 InvariantChecker]: Found 1 loops. [2024-09-11 20:51:12,435 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC assume_abort_if_notErr0ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 4 edges. [2024-09-11 20:51:12,436 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L58-2 to ERROR_LOC mainErr2REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 4 edges. [2024-09-11 20:51:12,436 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L58-2 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 14 edges. [2024-09-11 20:51:12,436 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 8 edges. [2024-09-11 20:51:12,436 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L58-2 to ERROR_LOC mainErr1REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 3 edges. [2024-09-11 20:51:12,437 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L58-2 to ERROR_LOC mainErr4REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 6 edges. [2024-09-11 20:51:12,437 INFO L367 InvariantChecker]: Will check inductivity from ENTRY __VERIFIER_assertENTRY to ERROR_LOC __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 5 edges. [2024-09-11 20:51:12,437 INFO L367 InvariantChecker]: Will check inductivity from ENTRY __VERIFIER_assertENTRY to ERROR_LOC __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 3 edges. [2024-09-11 20:51:12,437 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L58-2 to ERROR_LOC mainErr3REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 5 edges. [2024-09-11 20:51:12,437 INFO L130 InvariantChecker]: Will check 3 loop-free subgraphs from procedure entry to error location, 4 loop-free subgraphs from loop head to error location, 1 loop-free subgraphs from loop head to loop head, 1 loop-free subgraphs from procedure entry to loop head [2024-09-11 20:51:12,505 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 4 edges [2024-09-11 20:51:12,508 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:51:12,508 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:51:12,509 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:51:12,510 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:51:12,511 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:51:12,522 INFO L101 BaseMinimizeStates]: Removed 6 edges and 2 locations by large block encoding [2024-09-11 20:51:12,523 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:51:12,523 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:51:12,524 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:51:12,524 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:51:12,526 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:51:12,541 INFO L514 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to error location assume_abort_if_notErr0ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-11 20:51:12,574 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 4 edges [2024-09-11 20:51:12,577 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:51:12,577 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:51:12,577 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:51:12,577 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:51:12,578 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:51:12,578 INFO L101 BaseMinimizeStates]: Removed 6 edges and 3 locations by large block encoding [2024-09-11 20:51:12,578 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:51:12,579 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:51:12,579 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:51:12,579 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:51:12,579 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:51:12,580 INFO L514 InvariantChecker]: The annotation(s) from loop head L58-2 to error location mainErr2REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-11 20:51:12,612 INFO L314 BlockEncoder]: Initial Icfg 12 locations, 14 edges [2024-09-11 20:51:12,613 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:51:12,613 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:51:12,613 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:51:12,613 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:51:12,613 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:51:12,629 INFO L101 BaseMinimizeStates]: Removed 26 edges and 10 locations by large block encoding [2024-09-11 20:51:12,629 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:51:12,629 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:51:12,629 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:51:12,629 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:51:12,630 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:51:12,632 INFO L514 InvariantChecker]: The annotation(s) from loop head L58-2 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-11 20:51:12,653 INFO L314 BlockEncoder]: Initial Icfg 9 locations, 8 edges [2024-09-11 20:51:12,653 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:51:12,654 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:51:12,654 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:51:12,654 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:51:12,654 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:51:12,667 INFO L101 BaseMinimizeStates]: Removed 14 edges and 7 locations by large block encoding [2024-09-11 20:51:12,669 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:51:12,669 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:51:12,669 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:51:12,669 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:51:12,669 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:51:13,464 INFO L514 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-11 20:51:13,739 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-11 20:51:13,739 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:51:13,739 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:51:13,739 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:51:13,739 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:51:13,740 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:51:13,740 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-11 20:51:13,740 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:51:13,740 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:51:13,740 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:51:13,740 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:51:13,740 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:51:13,743 INFO L514 InvariantChecker]: The annotation(s) from loop head L58-2 to error location mainErr1REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-11 20:51:13,757 INFO L314 BlockEncoder]: Initial Icfg 7 locations, 6 edges [2024-09-11 20:51:13,757 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:51:13,758 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:51:13,758 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:51:13,758 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:51:13,758 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:51:13,760 INFO L101 BaseMinimizeStates]: Removed 10 edges and 5 locations by large block encoding [2024-09-11 20:51:13,760 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:51:13,760 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:51:13,760 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:51:13,760 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:51:13,760 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:51:13,761 INFO L514 InvariantChecker]: The annotation(s) from loop head L58-2 to error location mainErr4REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-11 20:51:13,774 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 5 edges [2024-09-11 20:51:13,775 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:51:13,775 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:51:13,775 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:51:13,775 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:51:13,775 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:51:13,776 INFO L101 BaseMinimizeStates]: Removed 8 edges and 3 locations by large block encoding [2024-09-11 20:51:13,776 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:51:13,776 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:51:13,776 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:51:13,776 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:51:13,777 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:51:13,788 INFO L514 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-11 20:51:13,803 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-11 20:51:13,803 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:51:13,804 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:51:13,804 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:51:13,805 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:51:13,806 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:51:13,807 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-11 20:51:13,807 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:51:13,807 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:51:13,807 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:51:13,807 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:51:13,807 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:51:13,809 INFO L514 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION is inductive. [2024-09-11 20:51:13,820 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 5 edges [2024-09-11 20:51:13,822 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:51:13,822 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:51:13,822 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:51:13,822 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:51:13,822 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:51:13,823 INFO L101 BaseMinimizeStates]: Removed 8 edges and 4 locations by large block encoding [2024-09-11 20:51:13,823 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:51:13,823 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:51:13,823 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:51:13,823 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:51:13,823 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:51:13,825 INFO L514 InvariantChecker]: The annotation(s) from loop head L58-2 to error location mainErr3REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-11 20:51:13,828 INFO L58 RefereeStarter]: Annotation is a valid proof of correctness [2024-09-11 20:51:13,828 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@53788448 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CFG 11.09 08:51:13, skipping insertion in model container [2024-09-11 20:51:13,828 INFO L131 PluginConnector]: ------------------------ END Referee---------------------------- [2024-09-11 20:51:13,831 INFO L158 Benchmark]: Toolchain (without parser) took 6897.77ms. Allocated memory was 65.0MB in the beginning and 79.7MB in the end (delta: 14.7MB). Free memory was 40.9MB in the beginning and 48.2MB in the end (delta: -7.3MB). Peak memory consumption was 29.0MB. Max. memory is 16.1GB. [2024-09-11 20:51:13,832 INFO L158 Benchmark]: CDTParser took 0.97ms. Allocated memory is still 46.1MB. Free memory was 27.5MB in the beginning and 27.4MB in the end (delta: 52.4kB). There was no memory consumed. Max. memory is 16.1GB. [2024-09-11 20:51:13,832 INFO L158 Benchmark]: Witness Parser took 0.09ms. Allocated memory is still 65.0MB. Free memory is still 42.8MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-11 20:51:13,833 INFO L158 Benchmark]: CACSL2BoogieTranslator took 296.04ms. Allocated memory is still 65.0MB. Free memory was 40.7MB in the beginning and 44.2MB in the end (delta: -3.4MB). Peak memory consumption was 20.8MB. Max. memory is 16.1GB. [2024-09-11 20:51:13,833 INFO L158 Benchmark]: Boogie Preprocessor took 55.14ms. Allocated memory is still 65.0MB. Free memory was 44.2MB in the beginning and 41.5MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-09-11 20:51:13,834 INFO L158 Benchmark]: RCFGBuilder took 5138.78ms. Allocated memory is still 65.0MB. Free memory was 41.2MB in the beginning and 40.3MB in the end (delta: 886.1kB). Peak memory consumption was 20.2MB. Max. memory is 16.1GB. [2024-09-11 20:51:13,834 INFO L158 Benchmark]: Referee took 1402.34ms. Allocated memory was 65.0MB in the beginning and 79.7MB in the end (delta: 14.7MB). Free memory was 40.3MB in the beginning and 48.2MB in the end (delta: -7.9MB). Peak memory consumption was 25.7MB. Max. memory is 16.1GB. [2024-09-11 20:51:13,836 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.referee: - AnnotationCheckResult: Annotation is a valid proof of correctness Annotation is a valid proof of correctness Annotation is valid for all loop-free paths from loop head at line 41 to check that procedure precondition always holds at line 42. Annotation is valid for all loop-free paths from loop head at line 41 to check that procedure precondition always holds at line 44. Annotation is valid for all loop-free paths from loop head at line 41 to check that procedure precondition always holds at line 43. Annotation is valid for all loop-free paths from entry of procedure assume_abort_if_not to exit of procedure assume_abort_if_not. Annotation is valid for all loop-free paths from loop head at line 41 to loop head at line 41. Annotation is valid for all loop-free paths from entry of procedure main to loop head at line 41. Annotation is valid for all loop-free paths from loop head at line 41 to check that procedure precondition always holds at line 42. Annotation is valid for all loop-free paths from entry of procedure __VERIFIER_assert to check that a call to reach_error is unreachable at line 20. Annotation is valid for all loop-free paths from entry of procedure __VERIFIER_assert to exit of procedure __VERIFIER_assert. * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.97ms. Allocated memory is still 46.1MB. Free memory was 27.5MB in the beginning and 27.4MB in the end (delta: 52.4kB). There was no memory consumed. Max. memory is 16.1GB. * Witness Parser took 0.09ms. Allocated memory is still 65.0MB. Free memory is still 42.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 296.04ms. Allocated memory is still 65.0MB. Free memory was 40.7MB in the beginning and 44.2MB in the end (delta: -3.4MB). Peak memory consumption was 20.8MB. Max. memory is 16.1GB. * Boogie Preprocessor took 55.14ms. Allocated memory is still 65.0MB. Free memory was 44.2MB in the beginning and 41.5MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 5138.78ms. Allocated memory is still 65.0MB. Free memory was 41.2MB in the beginning and 40.3MB in the end (delta: 886.1kB). Peak memory consumption was 20.2MB. Max. memory is 16.1GB. * Referee took 1402.34ms. Allocated memory was 65.0MB in the beginning and 79.7MB in the end (delta: 14.7MB). Free memory was 40.3MB in the beginning and 48.2MB in the end (delta: -7.9MB). Peak memory consumption was 25.7MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-09-11 20:51:14,049 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 [2024-09-11 20:51:14,058 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... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN