./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/nla-digbench-scaling/knuth_valuebound2.i --full-output --witness-type correctness_witness --validate ../results/automizer-verification-files/SV-COMP24_unreach-call/knuth_valuebound2.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_valuebound2.i ../results/automizer-verification-files/SV-COMP24_unreach-call/knuth_valuebound2.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 [2024-09-12 16:50:43,980 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-12 16:50:44,044 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Default.epf [2024-09-12 16:50:44,048 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-12 16:50:44,048 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-12 16:50:44,065 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-12 16:50:44,066 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-12 16:50:44,066 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-12 16:50:44,066 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-12 16:50:44,067 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-12 16:50:44,067 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-12 16:50:44,067 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-12 16:50:44,068 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-12 16:50:44,068 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-12 16:50:44,068 INFO L153 SettingsManager]: * Use SBE=true [2024-09-12 16:50:44,069 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-12 16:50:44,069 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-12 16:50:44,069 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-12 16:50:44,069 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-09-12 16:50:44,070 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-12 16:50:44,070 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-12 16:50:44,071 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-12 16:50:44,071 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-12 16:50:44,071 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-12 16:50:44,071 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-12 16:50:44,072 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-12 16:50:44,072 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-12 16:50:44,072 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-12 16:50:44,072 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-12 16:50:44,073 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-12 16:50:44,073 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-12 16:50:44,073 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-12 16:50:44,073 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-12 16:50:44,074 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-12 16:50:44,074 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-12 16:50:44,074 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-12 16:50:44,075 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-09-12 16:50:44,075 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-09-12 16:50:44,075 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-12 16:50:44,075 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-12 16:50:44,076 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-12 16:50:44,079 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-12 16:50:44,079 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None [2024-09-12 16:50:44,254 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-12 16:50:44,283 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-12 16:50:44,286 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-12 16:50:44,287 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-12 16:50:44,289 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-12 16:50:44,290 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/automizer-verification-files/SV-COMP24_unreach-call/knuth_valuebound2.yml/witness-2.1.yml [2024-09-12 16:50:44,388 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-12 16:50:44,389 INFO L274 PluginConnector]: CDTParser initialized [2024-09-12 16:50:44,389 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/nla-digbench-scaling/knuth_valuebound2.i [2024-09-12 16:50:45,730 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-12 16:50:45,887 INFO L384 CDTParser]: Found 1 translation units. [2024-09-12 16:50:45,887 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench-scaling/knuth_valuebound2.i [2024-09-12 16:50:45,893 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/32eb94b17/ab7f06bbe64742e2bb50a40f1c16f3c6/FLAG50e2dbb4c [2024-09-12 16:50:45,904 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/32eb94b17/ab7f06bbe64742e2bb50a40f1c16f3c6 [2024-09-12 16:50:45,904 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-12 16:50:45,905 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-09-12 16:50:45,906 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-12 16:50:45,906 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-12 16:50:45,910 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-12 16:50:45,911 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 12.09 04:50:44" (1/2) ... [2024-09-12 16:50:45,912 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@404308ac and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 12.09 04:50:45, skipping insertion in model container [2024-09-12 16:50:45,912 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 12.09 04:50:44" (1/2) ... [2024-09-12 16:50:45,913 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@6671fe80 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 12.09 04:50:45, skipping insertion in model container [2024-09-12 16:50:45,913 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.09 04:50:45" (2/2) ... [2024-09-12 16:50:45,913 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@404308ac and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.09 04:50:45, skipping insertion in model container [2024-09-12 16:50:45,913 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.09 04:50:45" (2/2) ... [2024-09-12 16:50:45,920 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-12 16:50:45,920 INFO L1541 ArrayList]: Loop invariant at [L41-L71] 0 [2024-09-12 16:50:45,920 INFO L1541 ArrayList]: Function contract at [L18]: requires 0, ensures 0 [2024-09-12 16:50:45,921 INFO L1541 ArrayList]: Function contract at [L15]: requires null, ensures (0 != \old(cond)) [2024-09-12 16:50:45,934 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-12 16:50:46,056 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench-scaling/knuth_valuebound2.i[948,961] [2024-09-12 16:50:46,069 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$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2024-09-12 16:50:46,075 INFO L158 Benchmark]: Toolchain (without parser) took 168.74ms. Allocated memory is still 226.5MB. Free memory was 154.4MB in the beginning and 144.3MB in the end (delta: 10.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-09-12 16:50:46,075 INFO L158 Benchmark]: Witness Parser took 2.85ms. Allocated memory is still 113.2MB. Free memory is still 74.7MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-12 16:50:46,075 INFO L158 Benchmark]: CDTParser took 0.12ms. Allocated memory is still 226.5MB. Free memory is still 200.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-12 16:50:46,076 INFO L158 Benchmark]: CACSL2BoogieTranslator took 167.06ms. Allocated memory is still 226.5MB. Free memory was 154.1MB in the beginning and 144.3MB in the end (delta: 9.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-09-12 16:50:46,077 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Witness Parser took 2.85ms. Allocated memory is still 113.2MB. Free memory is still 74.7MB. There was no memory consumed. Max. memory is 16.1GB. * CDTParser took 0.12ms. Allocated memory is still 226.5MB. Free memory is still 200.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 167.06ms. Allocated memory is still 226.5MB. Free memory was 154.1MB in the beginning and 144.3MB in the end (delta: 9.8MB). Peak memory consumption was 8.4MB. 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_valuebound2.i ../results/automizer-verification-files/SV-COMP24_unreach-call/knuth_valuebound2.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 [2024-09-12 16:50:48,163 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-12 16:50:48,235 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Bitvector.epf [2024-09-12 16:50:48,238 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-12 16:50:48,241 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-12 16:50:48,264 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-12 16:50:48,265 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-12 16:50:48,266 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-12 16:50:48,266 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-12 16:50:48,266 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-12 16:50:48,267 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-12 16:50:48,267 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-12 16:50:48,269 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-12 16:50:48,269 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-12 16:50:48,270 INFO L153 SettingsManager]: * Use SBE=true [2024-09-12 16:50:48,270 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-12 16:50:48,270 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-12 16:50:48,270 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-12 16:50:48,271 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-12 16:50:48,271 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-12 16:50:48,273 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-12 16:50:48,274 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-12 16:50:48,274 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-12 16:50:48,274 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-09-12 16:50:48,274 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-09-12 16:50:48,275 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-12 16:50:48,275 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-09-12 16:50:48,275 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-12 16:50:48,275 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-12 16:50:48,275 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-12 16:50:48,275 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-12 16:50:48,276 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-12 16:50:48,276 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-12 16:50:48,276 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-12 16:50:48,276 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-12 16:50:48,276 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-12 16:50:48,276 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-12 16:50:48,277 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-12 16:50:48,277 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-09-12 16:50:48,277 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-09-12 16:50:48,279 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-12 16:50:48,280 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-12 16:50:48,280 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-12 16:50:48,280 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-12 16:50:48,281 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2024-09-12 16:50:48,281 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None [2024-09-12 16:50:48,557 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-12 16:50:48,572 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-12 16:50:48,574 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-12 16:50:48,575 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-12 16:50:48,575 INFO L274 PluginConnector]: CDTParser initialized [2024-09-12 16:50:48,576 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/nla-digbench-scaling/knuth_valuebound2.i [2024-09-12 16:50:49,885 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-12 16:50:50,072 INFO L384 CDTParser]: Found 1 translation units. [2024-09-12 16:50:50,074 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench-scaling/knuth_valuebound2.i [2024-09-12 16:50:50,082 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/95fdf7a25/35f4bcbf09694700a2c2e1ab9ae893b9/FLAG7cff22648 [2024-09-12 16:50:50,097 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/95fdf7a25/35f4bcbf09694700a2c2e1ab9ae893b9 [2024-09-12 16:50:50,099 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-12 16:50:50,100 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-12 16:50:50,100 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/automizer-verification-files/SV-COMP24_unreach-call/knuth_valuebound2.yml/witness-2.1.yml [2024-09-12 16:50:50,141 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-12 16:50:50,142 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-09-12 16:50:50,145 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-12 16:50:50,145 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-12 16:50:50,163 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-12 16:50:50,166 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.09 04:50:50" (1/2) ... [2024-09-12 16:50:50,167 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@34fae821 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.09 04:50:50, skipping insertion in model container [2024-09-12 16:50:50,169 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.09 04:50:50" (1/2) ... [2024-09-12 16:50:50,170 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@1ebcf052 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.09 04:50:50, skipping insertion in model container [2024-09-12 16:50:50,171 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 12.09 04:50:50" (2/2) ... [2024-09-12 16:50:50,171 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@34fae821 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 12.09 04:50:50, skipping insertion in model container [2024-09-12 16:50:50,171 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 12.09 04:50:50" (2/2) ... [2024-09-12 16:50:50,179 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-12 16:50:50,182 INFO L1541 ArrayList]: Loop invariant at [L41-L71] 0 [2024-09-12 16:50:50,182 INFO L1541 ArrayList]: Function contract at [L15]: requires null, ensures (0 != \old(cond)) [2024-09-12 16:50:50,182 INFO L1541 ArrayList]: Function contract at [L18]: requires 0, ensures 0 [2024-09-12 16:50:50,199 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-12 16:50:50,326 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench-scaling/knuth_valuebound2.i[948,961] [2024-09-12 16:50:50,363 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-12 16:50:50,374 INFO L200 MainTranslator]: Completed pre-run Start Parsing Global Start Parsing Global Start Parsing Global [2024-09-12 16:50:50,407 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench-scaling/knuth_valuebound2.i[948,961] Start Parsing Local [2024-09-12 16:50:50,429 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-12 16:50:50,447 INFO L204 MainTranslator]: Completed translation [2024-09-12 16:50:50,448 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 12.09 04:50:50 WrapperNode [2024-09-12 16:50:50,448 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-12 16:50:50,449 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-12 16:50:50,449 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-12 16:50:50,449 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-12 16:50:50,458 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 12.09 04:50:50" (1/1) ... [2024-09-12 16:50:50,458 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 12.09 04:50:50" (1/1) ... [2024-09-12 16:50:50,467 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 12.09 04:50:50" (1/1) ... [2024-09-12 16:50:50,479 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 [2024-09-12 16:50:50,483 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 12.09 04:50:50" (1/1) ... [2024-09-12 16:50:50,483 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 12.09 04:50:50" (1/1) ... [2024-09-12 16:50:50,493 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 12.09 04:50:50" (1/1) ... [2024-09-12 16:50:50,499 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 12.09 04:50:50" (1/1) ... [2024-09-12 16:50:50,503 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 12.09 04:50:50" (1/1) ... [2024-09-12 16:50:50,504 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 12.09 04:50:50" (1/1) ... [2024-09-12 16:50:50,509 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-12 16:50:50,509 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-12 16:50:50,510 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-12 16:50:50,510 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-12 16:50:50,510 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 12.09 04:50:50" (1/1) ... [2024-09-12 16:50:50,519 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-12 16:50:50,526 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-09-12 16:50:50,538 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) [2024-09-12 16:50:50,543 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 [2024-09-12 16:50:50,575 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-09-12 16:50:50,577 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-12 16:50:50,577 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.setCurrentRoundingMode [2024-09-12 16:50:50,577 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-09-12 16:50:50,577 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-09-12 16:50:50,577 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-09-12 16:50:50,577 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-09-12 16:50:50,577 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-09-12 16:50:50,578 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-09-12 16:50:50,578 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_perror_fail [2024-09-12 16:50:50,578 INFO L130 BoogieDeclarations]: Found specification of procedure __assert [2024-09-12 16:50:50,578 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-09-12 16:50:50,578 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-12 16:50:50,578 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2024-09-12 16:50:50,578 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-09-12 16:50:50,579 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-09-12 16:50:50,579 INFO L130 BoogieDeclarations]: Found specification of procedure sqrt [2024-09-12 16:50:50,579 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-09-12 16:50:50,579 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-09-12 16:50:50,579 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-09-12 16:50:50,579 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-12 16:50:50,579 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.setCurrentRoundingMode [2024-09-12 16:50:50,579 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2024-09-12 16:50:50,580 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2024-09-12 16:50:50,580 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-09-12 16:50:50,660 INFO L242 CfgBuilder]: Building ICFG [2024-09-12 16:50:50,662 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-12 16:50:55,365 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-12 16:50:55,518 INFO L? ?]: Removed 12 outVars from TransFormulas that were not future-live. [2024-09-12 16:50:55,518 INFO L291 CfgBuilder]: Performing block encoding [2024-09-12 16:50:55,536 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-12 16:50:55,536 INFO L318 CfgBuilder]: Removed 1 assume(true) statements. [2024-09-12 16:50:55,537 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.09 04:50:55 BoogieIcfgContainer [2024-09-12 16:50:55,537 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-12 16:50:55,537 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-09-12 16:50:55,537 INFO L270 PluginConnector]: Initializing Referee... [2024-09-12 16:50:55,538 INFO L274 PluginConnector]: Referee initialized [2024-09-12 16:50:55,538 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 12.09 04:50:50" (1/4) ... [2024-09-12 16:50:55,539 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@543cacb7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 12.09 04:50:55, skipping insertion in model container [2024-09-12 16:50:55,539 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 12.09 04:50:50" (2/4) ... [2024-09-12 16:50:55,539 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@543cacb7 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 12.09 04:50:55, skipping insertion in model container [2024-09-12 16:50:55,539 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 12.09 04:50:50" (3/4) ... [2024-09-12 16:50:55,540 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@543cacb7 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 12.09 04:50:55, skipping insertion in model container [2024-09-12 16:50:55,540 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.09 04:50:55" (4/4) ... [2024-09-12 16:50:55,541 INFO L79 RefereeObserver]: Analyzing ICFG knuth_valuebound2.i [2024-09-12 16:50:55,544 INFO L112 InvariantChecker]: Found 1 loops. [2024-09-12 16:50:55,544 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC assume_abort_if_notErr0ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 4 edges. [2024-09-12 16:50:55,544 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L58-2 to ERROR_LOC mainErr2REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 4 edges. [2024-09-12 16:50:55,545 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L58-2 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 14 edges. [2024-09-12 16:50:55,545 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 8 edges. [2024-09-12 16:50:55,545 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L58-2 to ERROR_LOC mainErr1REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 3 edges. [2024-09-12 16:50:55,545 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L58-2 to ERROR_LOC mainErr4REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 6 edges. [2024-09-12 16:50:55,545 INFO L367 InvariantChecker]: Will check inductivity from ENTRY __VERIFIER_assertENTRY to ERROR_LOC __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 5 edges. [2024-09-12 16:50:55,546 INFO L367 InvariantChecker]: Will check inductivity from ENTRY __VERIFIER_assertENTRY to ERROR_LOC __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 3 edges. [2024-09-12 16:50:55,546 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L58-2 to ERROR_LOC mainErr3REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 5 edges. [2024-09-12 16:50:55,546 INFO L130 InvariantChecker]: Will check 4 loop-free subgraphs from loop head to error location, 3 loop-free subgraphs from procedure entry to error location, 1 loop-free subgraphs from loop head to loop head, 1 loop-free subgraphs from procedure entry to loop head [2024-09-12 16:50:55,610 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 4 edges [2024-09-12 16:50:55,612 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-12 16:50:55,612 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-12 16:50:55,613 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-12 16:50:55,614 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-12 16:50:55,615 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 16:50:55,624 INFO L101 BaseMinimizeStates]: Removed 6 edges and 2 locations by large block encoding [2024-09-12 16:50:55,626 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 16:50:55,626 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-12 16:50:55,626 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-12 16:50:55,626 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-12 16:50:55,630 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-12 16:50:55,642 INFO L514 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to error location assume_abort_if_notErr0ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-12 16:50:55,673 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 4 edges [2024-09-12 16:50:55,677 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-12 16:50:55,677 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-12 16:50:55,677 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-12 16:50:55,678 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-12 16:50:55,678 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 16:50:55,679 INFO L101 BaseMinimizeStates]: Removed 6 edges and 3 locations by large block encoding [2024-09-12 16:50:55,679 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 16:50:55,679 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-12 16:50:55,679 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-12 16:50:55,679 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-12 16:50:55,679 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-12 16:50:55,682 INFO L514 InvariantChecker]: The annotation(s) from loop head L58-2 to error location mainErr2REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-12 16:50:55,725 INFO L314 BlockEncoder]: Initial Icfg 12 locations, 14 edges [2024-09-12 16:50:55,726 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-12 16:50:55,726 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-12 16:50:55,726 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-12 16:50:55,726 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-12 16:50:55,726 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 16:50:55,741 INFO L101 BaseMinimizeStates]: Removed 26 edges and 10 locations by large block encoding [2024-09-12 16:50:55,742 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 16:50:55,742 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-12 16:50:55,742 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-12 16:50:55,742 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-12 16:50:55,744 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-12 16:50:55,746 INFO L514 InvariantChecker]: The annotation(s) from loop head L58-2 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-12 16:50:55,767 INFO L314 BlockEncoder]: Initial Icfg 9 locations, 8 edges [2024-09-12 16:50:55,769 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-12 16:50:55,769 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-12 16:50:55,769 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-12 16:50:55,769 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-12 16:50:55,769 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 16:50:55,780 INFO L101 BaseMinimizeStates]: Removed 14 edges and 7 locations by large block encoding [2024-09-12 16:50:55,780 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 16:50:55,781 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-12 16:50:55,781 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-12 16:50:55,781 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-12 16:50:55,781 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-12 16:50:55,785 INFO L514 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-12 16:50:55,799 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-12 16:50:55,800 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-12 16:50:55,800 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-12 16:50:55,800 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-12 16:50:55,801 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-12 16:50:55,801 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 16:50:55,801 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-12 16:50:55,802 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 16:50:55,802 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-12 16:50:55,802 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-12 16:50:55,802 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-12 16:50:55,803 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-12 16:50:55,804 INFO L514 InvariantChecker]: The annotation(s) from loop head L58-2 to error location mainErr1REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-12 16:50:55,816 INFO L314 BlockEncoder]: Initial Icfg 7 locations, 6 edges [2024-09-12 16:50:55,818 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-12 16:50:55,818 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-12 16:50:55,818 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-12 16:50:55,818 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-12 16:50:55,818 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 16:50:55,819 INFO L101 BaseMinimizeStates]: Removed 10 edges and 5 locations by large block encoding [2024-09-12 16:50:55,820 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 16:50:55,820 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-12 16:50:55,820 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-12 16:50:55,820 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-12 16:50:55,821 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-12 16:50:55,822 INFO L514 InvariantChecker]: The annotation(s) from loop head L58-2 to error location mainErr4REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-12 16:50:55,839 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 5 edges [2024-09-12 16:50:55,839 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-12 16:50:55,839 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-12 16:50:55,839 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-12 16:50:55,839 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-12 16:50:55,839 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 16:50:55,840 INFO L101 BaseMinimizeStates]: Removed 8 edges and 3 locations by large block encoding [2024-09-12 16:50:55,840 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 16:50:55,840 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-12 16:50:55,840 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-12 16:50:55,840 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-12 16:50:55,841 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-12 16:50:55,844 INFO L514 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-12 16:50:55,860 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-12 16:50:55,861 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-12 16:50:55,861 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-12 16:50:55,861 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-12 16:50:55,861 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-12 16:50:55,862 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 16:50:55,862 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-12 16:50:55,862 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 16:50:55,862 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-12 16:50:55,862 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-12 16:50:55,862 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-12 16:50:55,863 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-12 16:50:55,864 INFO L514 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION is inductive. [2024-09-12 16:50:55,874 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 5 edges [2024-09-12 16:50:55,875 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-12 16:50:55,875 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-12 16:50:55,875 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-12 16:50:55,875 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-12 16:50:55,875 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 16:50:55,876 INFO L101 BaseMinimizeStates]: Removed 8 edges and 4 locations by large block encoding [2024-09-12 16:50:55,876 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 16:50:55,876 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-12 16:50:55,876 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-12 16:50:55,876 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-12 16:50:55,877 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-12 16:50:55,878 INFO L514 InvariantChecker]: The annotation(s) from loop head L58-2 to error location mainErr3REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-12 16:50:55,881 INFO L58 RefereeStarter]: Annotation is a valid proof of correctness [2024-09-12 16:50:55,881 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@543cacb7 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CFG 12.09 04:50:55, skipping insertion in model container [2024-09-12 16:50:55,881 INFO L131 PluginConnector]: ------------------------ END Referee---------------------------- [2024-09-12 16:50:55,883 INFO L158 Benchmark]: Toolchain (without parser) took 5739.76ms. Allocated memory was 73.4MB in the beginning and 107.0MB in the end (delta: 33.6MB). Free memory was 33.2MB in the beginning and 47.7MB in the end (delta: -14.5MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2024-09-12 16:50:55,883 INFO L158 Benchmark]: CDTParser took 0.94ms. Allocated memory is still 73.4MB. Free memory was 50.1MB in the beginning and 50.0MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. [2024-09-12 16:50:55,884 INFO L158 Benchmark]: Witness Parser took 0.14ms. Allocated memory is still 73.4MB. Free memory is still 35.0MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-12 16:50:55,884 INFO L158 Benchmark]: CACSL2BoogieTranslator took 303.59ms. Allocated memory is still 73.4MB. Free memory was 33.0MB in the beginning and 38.9MB in the end (delta: -6.0MB). Peak memory consumption was 7.5MB. Max. memory is 16.1GB. [2024-09-12 16:50:55,885 INFO L158 Benchmark]: Boogie Preprocessor took 60.15ms. Allocated memory is still 73.4MB. Free memory was 38.9MB in the beginning and 36.2MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-09-12 16:50:55,885 INFO L158 Benchmark]: RCFGBuilder took 5027.50ms. Allocated memory was 73.4MB in the beginning and 107.0MB in the end (delta: 33.6MB). Free memory was 36.2MB in the beginning and 69.7MB in the end (delta: -33.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-09-12 16:50:55,885 INFO L158 Benchmark]: Referee took 343.99ms. Allocated memory is still 107.0MB. Free memory was 69.7MB in the beginning and 47.7MB in the end (delta: 22.0MB). Peak memory consumption was 21.9MB. Max. memory is 16.1GB. [2024-09-12 16:50:55,888 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 43. 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 entry of procedure __VERIFIER_assert to check that a call to reach_error is unreachable at line 20. Annotation is valid for all loop-free paths from loop head at line 41 to check that procedure precondition always holds at line 42. Annotation is valid for all loop-free paths from entry of procedure 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 exit of procedure __VERIFIER_assert. 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. * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.94ms. Allocated memory is still 73.4MB. Free memory was 50.1MB in the beginning and 50.0MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. * Witness Parser took 0.14ms. Allocated memory is still 73.4MB. Free memory is still 35.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 303.59ms. Allocated memory is still 73.4MB. Free memory was 33.0MB in the beginning and 38.9MB in the end (delta: -6.0MB). Peak memory consumption was 7.5MB. Max. memory is 16.1GB. * Boogie Preprocessor took 60.15ms. Allocated memory is still 73.4MB. Free memory was 38.9MB in the beginning and 36.2MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 5027.50ms. Allocated memory was 73.4MB in the beginning and 107.0MB in the end (delta: 33.6MB). Free memory was 36.2MB in the beginning and 69.7MB in the end (delta: -33.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Referee took 343.99ms. Allocated memory is still 107.0MB. Free memory was 69.7MB in the beginning and 47.7MB in the end (delta: 22.0MB). Peak memory consumption was 21.9MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-09-12 16:50:56,077 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: TRUE