./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 fb1cb0b9 Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/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-tmp.dk.referee-eval-fb1cb0b-m [2024-09-25 11:48:11,031 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-25 11:48:11,106 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Default.epf [2024-09-25 11:48:11,111 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-25 11:48:11,111 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-25 11:48:11,153 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-25 11:48:11,154 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-25 11:48:11,155 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-25 11:48:11,155 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-25 11:48:11,156 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-25 11:48:11,156 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-25 11:48:11,156 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-25 11:48:11,157 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-25 11:48:11,157 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-25 11:48:11,157 INFO L153 SettingsManager]: * Use SBE=true [2024-09-25 11:48:11,158 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-25 11:48:11,158 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-25 11:48:11,158 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-25 11:48:11,159 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-09-25 11:48:11,159 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-25 11:48:11,159 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-25 11:48:11,163 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-25 11:48:11,163 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-25 11:48:11,163 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-25 11:48:11,163 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-25 11:48:11,164 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-25 11:48:11,164 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-25 11:48:11,164 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-25 11:48:11,164 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-25 11:48:11,165 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-25 11:48:11,165 INFO L153 SettingsManager]: * Future-live optimization=false [2024-09-25 11:48:11,165 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-25 11:48:11,166 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-25 11:48:11,166 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-25 11:48:11,166 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-25 11:48:11,167 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-25 11:48:11,167 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-25 11:48:11,167 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-09-25 11:48:11,167 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-09-25 11:48:11,167 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-25 11:48:11,168 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-25 11:48:11,168 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-25 11:48:11,168 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-25 11:48:11,169 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None [2024-09-25 11:48:11,430 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-25 11:48:11,454 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-25 11:48:11,457 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-25 11:48:11,458 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-25 11:48:11,459 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-25 11:48:11,460 INFO L431 ainManager$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 [2024-09-25 11:48:11,544 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-25 11:48:11,544 INFO L274 PluginConnector]: CDTParser initialized [2024-09-25 11:48:11,545 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/nla-digbench-scaling/knuth_valuebound2.i [2024-09-25 11:48:12,972 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-25 11:48:13,169 INFO L384 CDTParser]: Found 1 translation units. [2024-09-25 11:48:13,171 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench-scaling/knuth_valuebound2.i [2024-09-25 11:48:13,181 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/c2fd05685/df00725a2b2243f68c8188a8fd3d5185/FLAGfb58cb586 [2024-09-25 11:48:13,204 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/c2fd05685/df00725a2b2243f68c8188a8fd3d5185 [2024-09-25 11:48:13,206 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-25 11:48:13,208 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-09-25 11:48:13,209 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-25 11:48:13,210 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-25 11:48:13,215 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-25 11:48:13,216 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 25.09 11:48:11" (1/2) ... [2024-09-25 11:48:13,216 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4580f419 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 25.09 11:48:13, skipping insertion in model container [2024-09-25 11:48:13,217 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 25.09 11:48:11" (1/2) ... [2024-09-25 11:48:13,218 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@70f8c0c8 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 25.09 11:48:13, skipping insertion in model container [2024-09-25 11:48:13,218 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 11:48:13" (2/2) ... [2024-09-25 11:48:13,219 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4580f419 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 11:48:13, skipping insertion in model container [2024-09-25 11:48:13,219 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 11:48:13" (2/2) ... [2024-09-25 11:48:13,232 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-25 11:48:13,235 INFO L1541 ArrayList]: Loop invariant at [L41-L71] 0 [2024-09-25 11:48:13,236 INFO L1541 ArrayList]: Function contract at [L18]: requires 0, ensures 0 [2024-09-25 11:48:13,236 INFO L1541 ArrayList]: Function contract at [L15]: requires null, ensures (0 != cond) [2024-09-25 11:48:13,261 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-25 11:48:13,426 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench-scaling/knuth_valuebound2.i[948,961] [2024-09-25 11:48:13,440 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator has thrown an exception: java.lang.UnsupportedOperationException: floating point operation not supported in non-bitprecise translation: sqrt at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.expressiontranslation.IntegerTranslation.constructOtherUnaryFloatOperation(IntegerTranslation.java:610) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.standardfunctions.StandardFunctionHandler.handleUnaryFloatFunction(StandardFunctionHandler.java:2721) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.standardfunctions.StandardFunctionHandler.translateStandardFunction(StandardFunctionHandler.java:253) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1586) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:271) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:789) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:286) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1494) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:224) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.handleCompoundStatement(CHandler.java:1150) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1133) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:236) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.chandler.FunctionHandler.handleFunctionDefinition(FunctionHandler.java:387) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1613) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:159) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.processTUchild(CHandler.java:3471) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2497) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:639) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:135) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.translate(MainTranslator.java:189) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.run(MainTranslator.java:116) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.(MainTranslator.java:94) at de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver.finish(CACSL2BoogieTranslatorObserver.java:145) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2024-09-25 11:48:13,445 INFO L158 Benchmark]: Toolchain (without parser) took 236.73ms. Allocated memory is still 169.9MB. Free memory was 99.3MB in the beginning and 89.1MB in the end (delta: 10.1MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2024-09-25 11:48:13,446 INFO L158 Benchmark]: Witness Parser took 0.23ms. Allocated memory is still 104.9MB. Free memory was 71.4MB in the beginning and 71.3MB in the end (delta: 118.9kB). There was no memory consumed. Max. memory is 16.1GB. [2024-09-25 11:48:13,446 INFO L158 Benchmark]: CDTParser took 0.16ms. Allocated memory is still 169.9MB. Free memory is still 145.6MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-25 11:48:13,447 INFO L158 Benchmark]: CACSL2BoogieTranslator took 234.71ms. Allocated memory is still 169.9MB. Free memory was 99.1MB in the beginning and 89.1MB in the end (delta: 9.9MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2024-09-25 11:48:13,449 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Witness Parser took 0.23ms. Allocated memory is still 104.9MB. Free memory was 71.4MB in the beginning and 71.3MB in the end (delta: 118.9kB). There was no memory consumed. Max. memory is 16.1GB. * CDTParser took 0.16ms. Allocated memory is still 169.9MB. Free memory is still 145.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 234.71ms. Allocated memory is still 169.9MB. Free memory was 99.1MB in the beginning and 89.1MB in the end (delta: 9.9MB). 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/11.0.12-open/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-tmp.dk.referee-eval-fb1cb0b-m [2024-09-25 11:48:15,545 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-25 11:48:15,630 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Bitvector.epf [2024-09-25 11:48:15,638 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-25 11:48:15,638 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-25 11:48:15,682 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-25 11:48:15,683 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-25 11:48:15,683 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-25 11:48:15,684 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-25 11:48:15,687 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-25 11:48:15,688 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-25 11:48:15,688 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-25 11:48:15,688 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-25 11:48:15,689 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-25 11:48:15,689 INFO L153 SettingsManager]: * Use SBE=true [2024-09-25 11:48:15,689 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-25 11:48:15,689 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-25 11:48:15,689 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-25 11:48:15,690 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-25 11:48:15,690 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-25 11:48:15,690 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-25 11:48:15,692 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-25 11:48:15,692 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-25 11:48:15,692 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-09-25 11:48:15,693 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-09-25 11:48:15,693 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-25 11:48:15,693 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-09-25 11:48:15,693 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-25 11:48:15,694 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-25 11:48:15,694 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-25 11:48:15,694 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-25 11:48:15,695 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-25 11:48:15,695 INFO L153 SettingsManager]: * Future-live optimization=false [2024-09-25 11:48:15,696 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-25 11:48:15,696 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-25 11:48:15,696 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-25 11:48:15,697 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-25 11:48:15,697 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-25 11:48:15,697 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-25 11:48:15,697 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-09-25 11:48:15,698 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-09-25 11:48:15,698 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-25 11:48:15,698 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-25 11:48:15,698 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-25 11:48:15,698 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-25 11:48:15,699 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2024-09-25 11:48:15,699 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None [2024-09-25 11:48:15,996 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-25 11:48:16,018 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-25 11:48:16,020 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-25 11:48:16,022 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-25 11:48:16,023 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-25 11:48:16,025 INFO L431 ainManager$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 [2024-09-25 11:48:16,084 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-25 11:48:16,084 INFO L274 PluginConnector]: CDTParser initialized [2024-09-25 11:48:16,085 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/nla-digbench-scaling/knuth_valuebound2.i [2024-09-25 11:48:17,727 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-25 11:48:17,950 INFO L384 CDTParser]: Found 1 translation units. [2024-09-25 11:48:17,950 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench-scaling/knuth_valuebound2.i [2024-09-25 11:48:17,960 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/b32c985bd/b115b8c07d8a49b29e1cecbdd17a16aa/FLAG008753a93 [2024-09-25 11:48:18,315 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/b32c985bd/b115b8c07d8a49b29e1cecbdd17a16aa [2024-09-25 11:48:18,316 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-25 11:48:18,317 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-09-25 11:48:18,318 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-25 11:48:18,318 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-25 11:48:18,323 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-25 11:48:18,323 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 25.09 11:48:16" (1/2) ... [2024-09-25 11:48:18,324 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4e9b0579 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 25.09 11:48:18, skipping insertion in model container [2024-09-25 11:48:18,324 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 25.09 11:48:16" (1/2) ... [2024-09-25 11:48:18,327 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@30435fc2 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 25.09 11:48:18, skipping insertion in model container [2024-09-25 11:48:18,327 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 11:48:18" (2/2) ... [2024-09-25 11:48:18,327 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4e9b0579 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 11:48:18, skipping insertion in model container [2024-09-25 11:48:18,330 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 11:48:18" (2/2) ... [2024-09-25 11:48:18,343 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-25 11:48:18,344 INFO L1541 ArrayList]: Loop invariant at [L41-L71] 0 [2024-09-25 11:48:18,344 INFO L1541 ArrayList]: Function contract at [L15]: requires null, ensures (0 != cond) [2024-09-25 11:48:18,344 INFO L1541 ArrayList]: Function contract at [L18]: requires 0, ensures 0 [2024-09-25 11:48:18,369 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-25 11:48:18,517 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench-scaling/knuth_valuebound2.i[948,961] [2024-09-25 11:48:18,547 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-25 11:48:18,560 INFO L200 MainTranslator]: Completed pre-run Start Parsing Global Start Parsing Global Start Parsing Global [2024-09-25 11:48:18,593 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench-scaling/knuth_valuebound2.i[948,961] Start Parsing Local [2024-09-25 11:48:18,628 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-25 11:48:18,653 INFO L204 MainTranslator]: Completed translation [2024-09-25 11:48:18,653 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 11:48:18 WrapperNode [2024-09-25 11:48:18,654 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-25 11:48:18,654 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-25 11:48:18,655 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-25 11:48:18,655 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-25 11:48:18,676 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 11:48:18" (1/1) ... [2024-09-25 11:48:18,676 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 11:48:18" (1/1) ... [2024-09-25 11:48:18,685 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 11:48:18" (1/1) ... [2024-09-25 11:48:18,697 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 [2024-09-25 11:48:18,698 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 11:48:18" (1/1) ... [2024-09-25 11:48:18,698 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 11:48:18" (1/1) ... [2024-09-25 11:48:18,713 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 11:48:18" (1/1) ... [2024-09-25 11:48:18,716 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 11:48:18" (1/1) ... [2024-09-25 11:48:18,718 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 11:48:18" (1/1) ... [2024-09-25 11:48:18,719 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 11:48:18" (1/1) ... [2024-09-25 11:48:18,722 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-25 11:48:18,723 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-25 11:48:18,723 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-25 11:48:18,723 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-25 11:48:18,727 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 11:48:18" (1/1) ... [2024-09-25 11:48:18,739 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-25 11:48:18,747 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-09-25 11:48:18,761 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) [2024-09-25 11:48:18,763 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 [2024-09-25 11:48:18,808 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-09-25 11:48:18,809 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-25 11:48:18,809 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.setCurrentRoundingMode [2024-09-25 11:48:18,809 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-09-25 11:48:18,809 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-09-25 11:48:18,809 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-09-25 11:48:18,809 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-09-25 11:48:18,809 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-09-25 11:48:18,810 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-09-25 11:48:18,810 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_perror_fail [2024-09-25 11:48:18,810 INFO L130 BoogieDeclarations]: Found specification of procedure __assert [2024-09-25 11:48:18,810 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-09-25 11:48:18,810 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-25 11:48:18,810 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2024-09-25 11:48:18,811 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-09-25 11:48:18,811 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-09-25 11:48:18,811 INFO L130 BoogieDeclarations]: Found specification of procedure sqrt [2024-09-25 11:48:18,811 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-09-25 11:48:18,812 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-09-25 11:48:18,812 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-09-25 11:48:18,812 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-25 11:48:18,812 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.setCurrentRoundingMode [2024-09-25 11:48:18,812 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2024-09-25 11:48:18,812 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2024-09-25 11:48:18,812 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-09-25 11:48:18,894 INFO L241 CfgBuilder]: Building ICFG [2024-09-25 11:48:18,896 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-25 11:48:23,645 WARN L782 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-25 11:48:23,769 INFO L290 CfgBuilder]: Performing block encoding [2024-09-25 11:48:23,796 INFO L312 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-25 11:48:23,797 INFO L317 CfgBuilder]: Removed 1 assume(true) statements. [2024-09-25 11:48:23,797 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 11:48:23 BoogieIcfgContainer [2024-09-25 11:48:23,797 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-25 11:48:23,798 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-09-25 11:48:23,798 INFO L270 PluginConnector]: Initializing Referee... [2024-09-25 11:48:23,799 INFO L274 PluginConnector]: Referee initialized [2024-09-25 11:48:23,799 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 25.09 11:48:16" (1/4) ... [2024-09-25 11:48:23,799 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@2d4dacaa and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 25.09 11:48:23, skipping insertion in model container [2024-09-25 11:48:23,799 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 25.09 11:48:18" (2/4) ... [2024-09-25 11:48:23,800 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@2d4dacaa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 25.09 11:48:23, skipping insertion in model container [2024-09-25 11:48:23,800 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 11:48:18" (3/4) ... [2024-09-25 11:48:23,800 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@2d4dacaa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 25.09 11:48:23, skipping insertion in model container [2024-09-25 11:48:23,800 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 11:48:23" (4/4) ... [2024-09-25 11:48:23,801 INFO L79 RefereeObserver]: Analyzing ICFG knuth_valuebound2.i [2024-09-25 11:48:23,805 INFO L113 InvariantChecker]: Found 1 loops. [2024-09-25 11:48:23,805 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC assume_abort_if_notErr0ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 4 edges. [2024-09-25 11:48:23,805 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L58-2 to ERROR_LOC mainErr2REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 4 edges. [2024-09-25 11:48:23,805 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L58-2 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 14 edges. [2024-09-25 11:48:23,806 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 8 edges. [2024-09-25 11:48:23,806 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L58-2 to ERROR_LOC mainErr1REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 3 edges. [2024-09-25 11:48:23,806 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L58-2 to ERROR_LOC mainErr4REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 6 edges. [2024-09-25 11:48:23,806 INFO L373 InvariantChecker]: Will check inductivity from ENTRY __VERIFIER_assertENTRY to ERROR_LOC __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 5 edges. [2024-09-25 11:48:23,806 INFO L373 InvariantChecker]: Will check inductivity from ENTRY __VERIFIER_assertENTRY to ERROR_LOC __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 3 edges. [2024-09-25 11:48:23,806 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L58-2 to ERROR_LOC mainErr3REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 5 edges. [2024-09-25 11:48:23,806 INFO L131 InvariantChecker]: Will check 1 loop-free subgraphs from loop head to loop head, 3 loop-free subgraphs from procedure entry to error location, 1 loop-free subgraphs from procedure entry to loop head, 4 loop-free subgraphs from loop head to error location [2024-09-25 11:48:23,859 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 4 edges [2024-09-25 11:48:23,861 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 11:48:23,861 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 11:48:23,862 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 11:48:23,863 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 11:48:23,866 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:48:23,874 INFO L101 BaseMinimizeStates]: Removed 6 edges and 2 locations by large block encoding [2024-09-25 11:48:23,878 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:48:23,878 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 11:48:23,879 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 11:48:23,879 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 11:48:23,883 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 11:48:23,902 INFO L520 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to error location assume_abort_if_notErr0ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-25 11:48:23,935 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 4 edges [2024-09-25 11:48:23,936 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 11:48:23,936 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 11:48:23,936 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 11:48:23,936 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 11:48:23,936 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:48:23,937 INFO L101 BaseMinimizeStates]: Removed 6 edges and 3 locations by large block encoding [2024-09-25 11:48:23,937 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:48:23,937 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 11:48:23,938 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 11:48:23,938 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 11:48:23,938 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 11:48:23,943 INFO L520 InvariantChecker]: The annotation(s) from loop head L58-2 to error location mainErr2REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-25 11:48:23,982 INFO L314 BlockEncoder]: Initial Icfg 12 locations, 14 edges [2024-09-25 11:48:23,983 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 11:48:23,984 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 11:48:23,984 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 11:48:23,984 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 11:48:23,984 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:48:24,003 INFO L101 BaseMinimizeStates]: Removed 26 edges and 10 locations by large block encoding [2024-09-25 11:48:24,004 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:48:24,004 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 11:48:24,004 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 11:48:24,004 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 11:48:24,005 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 11:48:24,007 INFO L520 InvariantChecker]: The annotation(s) from loop head L58-2 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-25 11:48:24,022 INFO L314 BlockEncoder]: Initial Icfg 9 locations, 8 edges [2024-09-25 11:48:24,023 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 11:48:24,023 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 11:48:24,023 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 11:48:24,023 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 11:48:24,024 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:48:24,043 INFO L101 BaseMinimizeStates]: Removed 14 edges and 7 locations by large block encoding [2024-09-25 11:48:24,043 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:48:24,043 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 11:48:24,043 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 11:48:24,044 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 11:48:24,044 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 11:48:24,050 INFO L520 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-25 11:48:24,069 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-25 11:48:24,070 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 11:48:24,070 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 11:48:24,070 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 11:48:24,070 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 11:48:24,071 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:48:24,071 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-25 11:48:24,071 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:48:24,072 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 11:48:24,072 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 11:48:24,072 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 11:48:24,072 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 11:48:24,073 INFO L520 InvariantChecker]: The annotation(s) from loop head L58-2 to error location mainErr1REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-25 11:48:24,090 INFO L314 BlockEncoder]: Initial Icfg 7 locations, 6 edges [2024-09-25 11:48:24,090 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 11:48:24,091 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 11:48:24,091 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 11:48:24,091 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 11:48:24,091 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:48:24,092 INFO L101 BaseMinimizeStates]: Removed 10 edges and 5 locations by large block encoding [2024-09-25 11:48:24,092 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:48:24,092 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 11:48:24,093 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 11:48:24,093 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 11:48:24,093 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 11:48:24,094 INFO L520 InvariantChecker]: The annotation(s) from loop head L58-2 to error location mainErr4REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-25 11:48:24,109 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 5 edges [2024-09-25 11:48:24,109 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 11:48:24,109 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 11:48:24,109 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 11:48:24,109 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 11:48:24,110 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:48:24,111 INFO L101 BaseMinimizeStates]: Removed 8 edges and 3 locations by large block encoding [2024-09-25 11:48:24,111 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:48:24,111 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 11:48:24,113 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 11:48:24,114 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 11:48:24,114 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 11:48:24,115 INFO L520 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-25 11:48:24,127 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-25 11:48:24,127 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 11:48:24,127 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 11:48:24,127 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 11:48:24,128 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 11:48:24,128 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:48:24,128 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-25 11:48:24,129 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:48:24,129 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 11:48:24,129 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 11:48:24,129 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 11:48:24,129 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 11:48:24,130 INFO L520 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION is inductive. [2024-09-25 11:48:24,143 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 5 edges [2024-09-25 11:48:24,144 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 11:48:24,144 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 11:48:24,144 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 11:48:24,144 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 11:48:24,144 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:48:24,145 INFO L101 BaseMinimizeStates]: Removed 8 edges and 4 locations by large block encoding [2024-09-25 11:48:24,145 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:48:24,146 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 11:48:24,146 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 11:48:24,146 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 11:48:24,146 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 11:48:24,147 INFO L520 InvariantChecker]: The annotation(s) from loop head L58-2 to error location mainErr3REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-25 11:48:24,150 INFO L58 RefereeStarter]: Annotation is a valid proof of correctness. [2024-09-25 11:48:24,151 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@2d4dacaa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee CFG 25.09 11:48:24, skipping insertion in model container [2024-09-25 11:48:24,151 INFO L131 PluginConnector]: ------------------------ END Referee---------------------------- [2024-09-25 11:48:24,153 INFO L158 Benchmark]: Toolchain (without parser) took 5835.11ms. Allocated memory is still 77.6MB. Free memory was 48.7MB in the beginning and 30.1MB in the end (delta: 18.6MB). Peak memory consumption was 20.5MB. Max. memory is 16.1GB. [2024-09-25 11:48:24,153 INFO L158 Benchmark]: Witness Parser took 0.37ms. Allocated memory is still 54.5MB. Free memory is still 27.7MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-25 11:48:24,153 INFO L158 Benchmark]: CDTParser took 0.10ms. Allocated memory is still 54.5MB. Free memory is still 36.5MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-25 11:48:24,154 INFO L158 Benchmark]: CACSL2BoogieTranslator took 335.96ms. Allocated memory is still 77.6MB. Free memory was 48.5MB in the beginning and 32.9MB in the end (delta: 15.6MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-09-25 11:48:24,154 INFO L158 Benchmark]: Boogie Preprocessor took 67.91ms. Allocated memory is still 77.6MB. Free memory was 32.9MB in the beginning and 54.0MB in the end (delta: -21.0MB). Peak memory consumption was 3.5MB. Max. memory is 16.1GB. [2024-09-25 11:48:24,155 INFO L158 Benchmark]: RCFGBuilder took 5074.19ms. Allocated memory is still 77.6MB. Free memory was 54.0MB in the beginning and 34.8MB in the end (delta: 19.2MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2024-09-25 11:48:24,155 INFO L158 Benchmark]: Referee took 353.32ms. Allocated memory is still 77.6MB. Free memory was 34.8MB in the beginning and 30.1MB in the end (delta: 4.7MB). Peak memory consumption was 6.6MB. Max. memory is 16.1GB. [2024-09-25 11:48:24,157 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 44. 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 __VERIFIER_assert to check that a call to reach_error is unreachable at line 20. Annotation is valid for all loop-free paths from loop head at line 41 to check that procedure precondition always holds at line 42. Annotation is valid for all loop-free paths from entry of procedure assume_abort_if_not to exit of procedure assume_abort_if_not. Annotation is valid for all loop-free paths from loop head at line 41 to check that procedure precondition always holds at line 42. Annotation is valid for all loop-free paths from loop head at line 41 to loop head at line 41. Annotation is valid for all loop-free paths from 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 43. * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Witness Parser took 0.37ms. Allocated memory is still 54.5MB. Free memory is still 27.7MB. There was no memory consumed. Max. memory is 16.1GB. * CDTParser took 0.10ms. Allocated memory is still 54.5MB. Free memory is still 36.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 335.96ms. Allocated memory is still 77.6MB. Free memory was 48.5MB in the beginning and 32.9MB in the end (delta: 15.6MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Preprocessor took 67.91ms. Allocated memory is still 77.6MB. Free memory was 32.9MB in the beginning and 54.0MB in the end (delta: -21.0MB). Peak memory consumption was 3.5MB. Max. memory is 16.1GB. * RCFGBuilder took 5074.19ms. Allocated memory is still 77.6MB. Free memory was 54.0MB in the beginning and 34.8MB in the end (delta: 19.2MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * Referee took 353.32ms. Allocated memory is still 77.6MB. Free memory was 34.8MB in the beginning and 30.1MB in the end (delta: 4.7MB). Peak memory consumption was 6.6MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2024-09-25 11:48:24,376 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 [2024-09-25 11:48:24,385 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