./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 27b49876 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-tmp.dk.referee-eval-27b4987-m [2024-09-21 12:49:49,023 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-21 12:49:49,090 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Default.epf [2024-09-21 12:49:49,095 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-21 12:49:49,096 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-21 12:49:49,123 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-21 12:49:49,126 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-21 12:49:49,126 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-21 12:49:49,127 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-21 12:49:49,127 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-21 12:49:49,128 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-21 12:49:49,128 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-21 12:49:49,128 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-21 12:49:49,129 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-21 12:49:49,129 INFO L153 SettingsManager]: * Use SBE=true [2024-09-21 12:49:49,129 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-21 12:49:49,129 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-21 12:49:49,130 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-21 12:49:49,134 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-09-21 12:49:49,134 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-21 12:49:49,135 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-21 12:49:49,136 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-21 12:49:49,136 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-21 12:49:49,137 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-21 12:49:49,137 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-21 12:49:49,137 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-21 12:49:49,137 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-21 12:49:49,138 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-21 12:49:49,138 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-21 12:49:49,138 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-21 12:49:49,138 INFO L153 SettingsManager]: * Future-live optimization=false [2024-09-21 12:49:49,139 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-21 12:49:49,139 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-21 12:49:49,139 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-21 12:49:49,139 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-21 12:49:49,140 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-21 12:49:49,140 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-21 12:49:49,140 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-09-21 12:49:49,140 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-09-21 12:49:49,141 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-21 12:49:49,141 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-21 12:49:49,141 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-21 12:49:49,141 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-21 12:49:49,142 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/certificate-witnesses-artifact/referee/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None [2024-09-21 12:49:49,414 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-21 12:49:49,442 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-21 12:49:49,445 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-21 12:49:49,446 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-21 12:49:49,446 INFO L274 PluginConnector]: CDTParser initialized [2024-09-21 12:49:49,448 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/nla-digbench-scaling/knuth_valuebound2.i [2024-09-21 12:49:50,828 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-21 12:49:50,994 INFO L384 CDTParser]: Found 1 translation units. [2024-09-21 12:49:50,995 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench-scaling/knuth_valuebound2.i [2024-09-21 12:49:51,002 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/9e1d1b429/46d7e9b2522e4807ae8f765ff20b17f3/FLAG4dfbc85df [2024-09-21 12:49:51,018 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/9e1d1b429/46d7e9b2522e4807ae8f765ff20b17f3 [2024-09-21 12:49:51,020 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-21 12:49:51,022 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-21 12:49:51,022 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/automizer-verification-files/SV-COMP24_unreach-call/knuth_valuebound2.yml/witness-2.1.yml [2024-09-21 12:49:51,075 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-21 12:49:51,076 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-09-21 12:49:51,077 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-21 12:49:51,077 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-21 12:49:51,081 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-21 12:49:51,082 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 12:49:51" (1/2) ... [2024-09-21 12:49:51,083 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@34e6b626 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:49:51, skipping insertion in model container [2024-09-21 12:49:51,083 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 12:49:51" (1/2) ... [2024-09-21 12:49:51,084 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@275351e7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:49:51, skipping insertion in model container [2024-09-21 12:49:51,084 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 21.09 12:49:51" (2/2) ... [2024-09-21 12:49:51,085 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@34e6b626 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 21.09 12:49:51, skipping insertion in model container [2024-09-21 12:49:51,085 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 21.09 12:49:51" (2/2) ... [2024-09-21 12:49:51,094 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-21 12:49:51,094 INFO L1541 ArrayList]: Loop invariant at [L41-L71] 0 [2024-09-21 12:49:51,095 INFO L1541 ArrayList]: Function contract at [L15]: requires null, ensures (0 != cond) [2024-09-21 12:49:51,095 INFO L1541 ArrayList]: Function contract at [L18]: requires 0, ensures 0 [2024-09-21 12:49:51,112 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-21 12:49:51,284 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] [2024-09-21 12:49:51,296 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator has thrown an exception: java.lang.UnsupportedOperationException: floating point operation not supported in non-bitprecise translation: sqrt at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.expressiontranslation.IntegerTranslation.constructOtherUnaryFloatOperation(IntegerTranslation.java:610) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.standardfunctions.StandardFunctionHandler.handleUnaryFloatFunction(StandardFunctionHandler.java:2721) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.standardfunctions.StandardFunctionHandler.translateStandardFunction(StandardFunctionHandler.java:253) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1586) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:271) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:789) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:286) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1494) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:224) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.handleCompoundStatement(CHandler.java:1150) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1133) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:236) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.chandler.FunctionHandler.handleFunctionDefinition(FunctionHandler.java:387) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1613) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:159) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.processTUchild(CHandler.java:3471) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2497) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:639) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:135) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.translate(MainTranslator.java:189) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.run(MainTranslator.java:116) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.(MainTranslator.java:94) at de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver.finish(CACSL2BoogieTranslatorObserver.java:145) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2024-09-21 12:49:51,301 INFO L158 Benchmark]: Toolchain (without parser) took 224.26ms. Allocated memory is still 140.5MB. Free memory was 100.2MB in the beginning and 90.2MB in the end (delta: 10.0MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2024-09-21 12:49:51,303 INFO L158 Benchmark]: CDTParser took 0.20ms. Allocated memory is still 113.2MB. Free memory was 86.0MB in the beginning and 85.8MB in the end (delta: 134.2kB). There was no memory consumed. Max. memory is 16.1GB. [2024-09-21 12:49:51,303 INFO L158 Benchmark]: Witness Parser took 0.11ms. Allocated memory is still 140.5MB. Free memory is still 102.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-21 12:49:51,304 INFO L158 Benchmark]: CACSL2BoogieTranslator took 222.35ms. Allocated memory is still 140.5MB. Free memory was 100.2MB in the beginning and 90.2MB in the end (delta: 10.0MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2024-09-21 12:49:51,305 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20ms. Allocated memory is still 113.2MB. Free memory was 86.0MB in the beginning and 85.8MB in the end (delta: 134.2kB). There was no memory consumed. Max. memory is 16.1GB. * Witness Parser took 0.11ms. Allocated memory is still 140.5MB. Free memory is still 102.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 222.35ms. Allocated memory is still 140.5MB. Free memory was 100.2MB in the beginning and 90.2MB in the end (delta: 10.0MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - ExceptionOrErrorResult: UnsupportedOperationException: floating point operation not supported in non-bitprecise translation: sqrt de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: UnsupportedOperationException: floating point operation not supported in non-bitprecise translation: sqrt: de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.expressiontranslation.IntegerTranslation.constructOtherUnaryFloatOperation(IntegerTranslation.java:610) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/certificate-witnesses-artifact/referee/data/config -Xmx15G -Xms4m -jar /storage/repos/certificate-witnesses-artifact/referee/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/certificate-witnesses-artifact/referee/data -tc /storage/repos/certificate-witnesses-artifact/referee/config/RefereeReachWitnessValidation.xml -i ../sv-benchmarks/c/nla-digbench-scaling/knuth_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-27b4987-m [2024-09-21 12:49:53,335 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-21 12:49:53,423 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Bitvector.epf [2024-09-21 12:49:53,431 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-21 12:49:53,432 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-21 12:49:53,465 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-21 12:49:53,467 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-21 12:49:53,467 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-21 12:49:53,468 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-21 12:49:53,470 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-21 12:49:53,470 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-21 12:49:53,470 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-21 12:49:53,473 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-21 12:49:53,473 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-21 12:49:53,474 INFO L153 SettingsManager]: * Use SBE=true [2024-09-21 12:49:53,474 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-21 12:49:53,474 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-21 12:49:53,475 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-21 12:49:53,475 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-21 12:49:53,475 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-21 12:49:53,479 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-21 12:49:53,480 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-21 12:49:53,480 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-21 12:49:53,480 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-09-21 12:49:53,480 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-09-21 12:49:53,480 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-21 12:49:53,481 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-09-21 12:49:53,481 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-21 12:49:53,481 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-21 12:49:53,482 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-21 12:49:53,482 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-21 12:49:53,482 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-21 12:49:53,482 INFO L153 SettingsManager]: * Future-live optimization=false [2024-09-21 12:49:53,483 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-21 12:49:53,484 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-21 12:49:53,484 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-21 12:49:53,485 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-21 12:49:53,485 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-21 12:49:53,485 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-21 12:49:53,486 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-09-21 12:49:53,486 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-09-21 12:49:53,487 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-21 12:49:53,487 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-21 12:49:53,487 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-21 12:49:53,487 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-21 12:49:53,487 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2024-09-21 12:49:53,488 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/certificate-witnesses-artifact/referee/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None [2024-09-21 12:49:53,810 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-21 12:49:53,834 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-21 12:49:53,836 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-21 12:49:53,838 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-21 12:49:53,839 INFO L274 PluginConnector]: CDTParser initialized [2024-09-21 12:49:53,840 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/nla-digbench-scaling/knuth_valuebound2.i [2024-09-21 12:49:55,207 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-21 12:49:55,406 INFO L384 CDTParser]: Found 1 translation units. [2024-09-21 12:49:55,407 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench-scaling/knuth_valuebound2.i [2024-09-21 12:49:55,414 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/ae44c89e5/0195be6fd32240078da2335910cbff89/FLAGe6e3e0fbb [2024-09-21 12:49:55,785 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/ae44c89e5/0195be6fd32240078da2335910cbff89 [2024-09-21 12:49:55,787 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-21 12:49:55,788 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-21 12:49:55,788 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/automizer-verification-files/SV-COMP24_unreach-call/knuth_valuebound2.yml/witness-2.1.yml [2024-09-21 12:49:55,836 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-21 12:49:55,838 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-09-21 12:49:55,840 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-21 12:49:55,840 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-21 12:49:55,845 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-21 12:49:55,845 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 12:49:55" (1/2) ... [2024-09-21 12:49:55,851 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@725ea0d9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:49:55, skipping insertion in model container [2024-09-21 12:49:55,851 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 12:49:55" (1/2) ... [2024-09-21 12:49:55,852 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@5391826e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:49:55, skipping insertion in model container [2024-09-21 12:49:55,853 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 21.09 12:49:55" (2/2) ... [2024-09-21 12:49:55,853 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@725ea0d9 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 21.09 12:49:55, skipping insertion in model container [2024-09-21 12:49:55,853 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 21.09 12:49:55" (2/2) ... [2024-09-21 12:49:55,864 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-21 12:49:55,865 INFO L1541 ArrayList]: Loop invariant at [L41-L71] 0 [2024-09-21 12:49:55,865 INFO L1541 ArrayList]: Function contract at [L15]: requires null, ensures (0 != cond) [2024-09-21 12:49:55,865 INFO L1541 ArrayList]: Function contract at [L18]: requires 0, ensures 0 [2024-09-21 12:49:55,889 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-21 12:49:56,070 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] [2024-09-21 12:49:56,116 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-21 12:49:56,134 INFO L200 MainTranslator]: Completed pre-run Start Parsing Global Start Parsing Global Start Parsing Global [2024-09-21 12:49:56,178 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 [2024-09-21 12:49:56,205 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-21 12:49:56,228 INFO L204 MainTranslator]: Completed translation [2024-09-21 12:49:56,229 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 21.09 12:49:56 WrapperNode [2024-09-21 12:49:56,229 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-21 12:49:56,231 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-21 12:49:56,231 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-21 12:49:56,231 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-21 12:49:56,243 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 21.09 12:49:56" (1/1) ... [2024-09-21 12:49:56,243 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 21.09 12:49:56" (1/1) ... [2024-09-21 12:49:56,257 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 21.09 12:49:56" (1/1) ... [2024-09-21 12:49:56,278 WARN L109 MemorySlicer]: Omit memory slicing because it failed with the following exception: Unsupported: Procedure assume_abort_if_not is not part of the Ultimate memory model but has specification other that is not a ModifiesSpecification [2024-09-21 12:49:56,278 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 21.09 12:49:56" (1/1) ... [2024-09-21 12:49:56,279 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 21.09 12:49:56" (1/1) ... [2024-09-21 12:49:56,294 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 21.09 12:49:56" (1/1) ... [2024-09-21 12:49:56,301 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 21.09 12:49:56" (1/1) ... [2024-09-21 12:49:56,306 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 21.09 12:49:56" (1/1) ... [2024-09-21 12:49:56,307 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 21.09 12:49:56" (1/1) ... [2024-09-21 12:49:56,314 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-21 12:49:56,316 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-21 12:49:56,317 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-21 12:49:56,317 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-21 12:49:56,318 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 21.09 12:49:56" (1/1) ... [2024-09-21 12:49:56,326 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-21 12:49:56,335 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-09-21 12:49:56,351 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/certificate-witnesses-artifact/referee/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-09-21 12:49:56,357 INFO L327 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/referee/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-09-21 12:49:56,406 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-09-21 12:49:56,407 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-21 12:49:56,407 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.setCurrentRoundingMode [2024-09-21 12:49:56,407 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-09-21 12:49:56,407 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-09-21 12:49:56,407 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-09-21 12:49:56,407 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-09-21 12:49:56,408 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-09-21 12:49:56,408 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-09-21 12:49:56,408 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_perror_fail [2024-09-21 12:49:56,408 INFO L130 BoogieDeclarations]: Found specification of procedure __assert [2024-09-21 12:49:56,408 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-09-21 12:49:56,408 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-21 12:49:56,409 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2024-09-21 12:49:56,409 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-09-21 12:49:56,409 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-09-21 12:49:56,409 INFO L130 BoogieDeclarations]: Found specification of procedure sqrt [2024-09-21 12:49:56,410 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-09-21 12:49:56,410 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-09-21 12:49:56,410 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-09-21 12:49:56,410 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-21 12:49:56,410 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.setCurrentRoundingMode [2024-09-21 12:49:56,411 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2024-09-21 12:49:56,411 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2024-09-21 12:49:56,411 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-09-21 12:49:56,499 INFO L242 CfgBuilder]: Building ICFG [2024-09-21 12:49:56,503 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-21 12:50:01,239 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-21 12:50:01,371 INFO L291 CfgBuilder]: Performing block encoding [2024-09-21 12:50:01,416 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-21 12:50:01,417 INFO L318 CfgBuilder]: Removed 1 assume(true) statements. [2024-09-21 12:50:01,417 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 12:50:01 BoogieIcfgContainer [2024-09-21 12:50:01,417 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-21 12:50:01,418 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-09-21 12:50:01,418 INFO L270 PluginConnector]: Initializing Referee... [2024-09-21 12:50:01,422 INFO L274 PluginConnector]: Referee initialized [2024-09-21 12:50:01,422 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 21.09 12:49:55" (1/4) ... [2024-09-21 12:50:01,422 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@1db96121 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 21.09 12:50:01, skipping insertion in model container [2024-09-21 12:50:01,423 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 21.09 12:49:55" (2/4) ... [2024-09-21 12:50:01,423 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@1db96121 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 21.09 12:50:01, skipping insertion in model container [2024-09-21 12:50:01,423 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 21.09 12:49:56" (3/4) ... [2024-09-21 12:50:01,423 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@1db96121 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 21.09 12:50:01, skipping insertion in model container [2024-09-21 12:50:01,423 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 12:50:01" (4/4) ... [2024-09-21 12:50:01,424 INFO L79 RefereeObserver]: Analyzing ICFG knuth_valuebound2.i [2024-09-21 12:50:01,432 INFO L113 InvariantChecker]: Found 1 loops. [2024-09-21 12:50:01,432 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC assume_abort_if_notErr0ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 4 edges. [2024-09-21 12:50:01,433 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L58-2 to ERROR_LOC mainErr2REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 4 edges. [2024-09-21 12:50:01,433 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L58-2 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 14 edges. [2024-09-21 12:50:01,433 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 8 edges. [2024-09-21 12:50:01,433 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L58-2 to ERROR_LOC mainErr1REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 3 edges. [2024-09-21 12:50:01,433 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L58-2 to ERROR_LOC mainErr4REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 6 edges. [2024-09-21 12:50:01,433 INFO L373 InvariantChecker]: Will check inductivity from ENTRY __VERIFIER_assertENTRY to ERROR_LOC __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 5 edges. [2024-09-21 12:50:01,433 INFO L373 InvariantChecker]: Will check inductivity from ENTRY __VERIFIER_assertENTRY to ERROR_LOC __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 3 edges. [2024-09-21 12:50:01,433 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L58-2 to ERROR_LOC mainErr3REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 5 edges. [2024-09-21 12:50:01,434 INFO L131 InvariantChecker]: Will check 1 loop-free subgraphs from procedure entry to loop head, 3 loop-free subgraphs from procedure entry to error location, 4 loop-free subgraphs from loop head to error location, 1 loop-free subgraphs from loop head to loop head [2024-09-21 12:50:01,492 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 4 edges [2024-09-21 12:50:01,493 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 12:50:01,493 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 12:50:01,494 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 12:50:01,495 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 12:50:01,498 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:50:01,506 INFO L101 BaseMinimizeStates]: Removed 6 edges and 2 locations by large block encoding [2024-09-21 12:50:01,507 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:50:01,507 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 12:50:01,508 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 12:50:01,508 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 12:50:01,511 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 12:50:01,525 INFO L520 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to error location assume_abort_if_notErr0ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-21 12:50:01,556 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 4 edges [2024-09-21 12:50:01,558 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 12:50:01,559 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 12:50:01,559 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 12:50:01,559 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 12:50:01,559 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:50:01,561 INFO L101 BaseMinimizeStates]: Removed 6 edges and 3 locations by large block encoding [2024-09-21 12:50:01,561 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:50:01,561 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 12:50:01,561 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 12:50:01,561 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 12:50:01,561 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 12:50:01,563 INFO L520 InvariantChecker]: The annotation(s) from loop head L58-2 to error location mainErr2REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-21 12:50:01,585 INFO L314 BlockEncoder]: Initial Icfg 12 locations, 14 edges [2024-09-21 12:50:01,585 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 12:50:01,585 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 12:50:01,585 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 12:50:01,585 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 12:50:01,586 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:50:01,606 INFO L101 BaseMinimizeStates]: Removed 26 edges and 10 locations by large block encoding [2024-09-21 12:50:01,609 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:50:01,609 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 12:50:01,609 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 12:50:01,609 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 12:50:01,610 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 12:50:01,613 INFO L520 InvariantChecker]: The annotation(s) from loop head L58-2 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-21 12:50:01,639 INFO L314 BlockEncoder]: Initial Icfg 9 locations, 8 edges [2024-09-21 12:50:01,640 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 12:50:01,640 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 12:50:01,640 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 12:50:01,640 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 12:50:01,641 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:50:01,650 INFO L101 BaseMinimizeStates]: Removed 14 edges and 7 locations by large block encoding [2024-09-21 12:50:01,650 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:50:01,650 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 12:50:01,651 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 12:50:01,651 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 12:50:01,651 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 12:50:01,654 INFO L520 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-21 12:50:01,667 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-21 12:50:01,668 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 12:50:01,668 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 12:50:01,668 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 12:50:01,668 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 12:50:01,668 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:50:01,669 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-21 12:50:01,669 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:50:01,669 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 12:50:01,669 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 12:50:01,670 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 12:50:01,670 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 12:50:01,671 INFO L520 InvariantChecker]: The annotation(s) from loop head L58-2 to error location mainErr1REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-21 12:50:01,688 INFO L314 BlockEncoder]: Initial Icfg 7 locations, 6 edges [2024-09-21 12:50:01,688 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 12:50:01,688 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 12:50:01,689 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 12:50:01,689 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 12:50:01,689 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:50:01,690 INFO L101 BaseMinimizeStates]: Removed 10 edges and 5 locations by large block encoding [2024-09-21 12:50:01,690 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:50:01,690 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 12:50:01,690 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 12:50:01,691 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 12:50:01,691 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 12:50:01,692 INFO L520 InvariantChecker]: The annotation(s) from loop head L58-2 to error location mainErr4REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-21 12:50:01,705 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 5 edges [2024-09-21 12:50:01,705 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 12:50:01,705 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 12:50:01,706 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 12:50:01,706 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 12:50:01,706 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:50:01,707 INFO L101 BaseMinimizeStates]: Removed 8 edges and 3 locations by large block encoding [2024-09-21 12:50:01,707 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:50:01,707 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 12:50:01,708 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 12:50:01,708 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 12:50:01,708 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 12:50:01,714 INFO L520 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-21 12:50:01,730 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-21 12:50:01,731 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 12:50:01,731 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 12:50:01,731 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 12:50:01,731 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 12:50:01,731 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:50:01,732 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-21 12:50:01,732 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:50:01,732 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 12:50:01,732 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 12:50:01,732 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 12:50:01,732 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 12:50:01,736 INFO L520 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION is inductive. [2024-09-21 12:50:01,747 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 5 edges [2024-09-21 12:50:01,748 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 12:50:01,748 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 12:50:01,748 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 12:50:01,748 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 12:50:01,749 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:50:01,749 INFO L101 BaseMinimizeStates]: Removed 8 edges and 4 locations by large block encoding [2024-09-21 12:50:01,750 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:50:01,750 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 12:50:01,750 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 12:50:01,750 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 12:50:01,750 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 12:50:01,751 INFO L520 InvariantChecker]: The annotation(s) from loop head L58-2 to error location mainErr3REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-21 12:50:01,755 INFO L58 RefereeStarter]: Annotation is a valid proof of correctness. [2024-09-21 12:50:01,755 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@1db96121 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CFG 21.09 12:50:01, skipping insertion in model container [2024-09-21 12:50:01,755 INFO L131 PluginConnector]: ------------------------ END Referee---------------------------- [2024-09-21 12:50:01,757 INFO L158 Benchmark]: Toolchain (without parser) took 5918.34ms. Allocated memory is still 71.3MB. Free memory was 37.9MB in the beginning and 31.0MB in the end (delta: 6.9MB). Peak memory consumption was 16.2MB. Max. memory is 16.1GB. [2024-09-21 12:50:01,757 INFO L158 Benchmark]: CDTParser took 0.14ms. Allocated memory is still 54.5MB. Free memory is still 35.0MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-21 12:50:01,757 INFO L158 Benchmark]: Witness Parser took 0.16ms. Allocated memory is still 71.3MB. Free memory is still 39.9MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-21 12:50:01,758 INFO L158 Benchmark]: CACSL2BoogieTranslator took 390.14ms. Allocated memory is still 71.3MB. Free memory was 37.8MB in the beginning and 40.4MB in the end (delta: -2.7MB). Peak memory consumption was 6.8MB. Max. memory is 16.1GB. [2024-09-21 12:50:01,758 INFO L158 Benchmark]: Boogie Preprocessor took 85.22ms. Allocated memory is still 71.3MB. Free memory was 40.1MB in the beginning and 37.6MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-09-21 12:50:01,759 INFO L158 Benchmark]: RCFGBuilder took 5100.75ms. Allocated memory is still 71.3MB. Free memory was 37.6MB in the beginning and 39.1MB in the end (delta: -1.5MB). Peak memory consumption was 12.9MB. Max. memory is 16.1GB. [2024-09-21 12:50:01,759 INFO L158 Benchmark]: Referee took 337.37ms. Allocated memory is still 71.3MB. Free memory was 39.1MB in the beginning and 31.0MB in the end (delta: 8.1MB). Peak memory consumption was 17.5MB. Max. memory is 16.1GB. [2024-09-21 12:50:01,762 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.referee: - AnnotationCheckResult: Annotation is a valid proof of correctness. Annotation is a valid proof of correctness. Annotation is valid for all loop-free paths from loop head at line 41 to check that procedure precondition always holds at line 42. Annotation is valid for all loop-free paths from loop head at line 41 to check that procedure precondition always holds at line 44. Annotation is valid for all loop-free paths from loop head at line 41 to check that procedure precondition always holds at line 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 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 43. 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 entry of procedure __VERIFIER_assert to check that a call to reach_error is unreachable at line 20. Annotation is valid for all loop-free paths from entry of procedure __VERIFIER_assert to exit of procedure __VERIFIER_assert. * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14ms. Allocated memory is still 54.5MB. Free memory is still 35.0MB. There was no memory consumed. Max. memory is 16.1GB. * Witness Parser took 0.16ms. Allocated memory is still 71.3MB. Free memory is still 39.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 390.14ms. Allocated memory is still 71.3MB. Free memory was 37.8MB in the beginning and 40.4MB in the end (delta: -2.7MB). Peak memory consumption was 6.8MB. Max. memory is 16.1GB. * Boogie Preprocessor took 85.22ms. Allocated memory is still 71.3MB. Free memory was 40.1MB in the beginning and 37.6MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 5100.75ms. Allocated memory is still 71.3MB. Free memory was 37.6MB in the beginning and 39.1MB in the end (delta: -1.5MB). Peak memory consumption was 12.9MB. Max. memory is 16.1GB. * Referee took 337.37ms. Allocated memory is still 71.3MB. Free memory was 39.1MB in the beginning and 31.0MB in the end (delta: 8.1MB). Peak memory consumption was 17.5MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2024-09-21 12:50:01,943 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