./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/nla-digbench-scaling/knuth_valuebound5.i --full-output --witness-type correctness_witness --validate ../results/cpachecker-verification-files/SV-COMP24_unreach-call/knuth_valuebound5.yml/output/witness-2.1.yml --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 27b49876 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_valuebound5.i ../results/cpachecker-verification-files/SV-COMP24_unreach-call/knuth_valuebound5.yml/output/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 19:10:27,841 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-21 19:10:27,910 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Default.epf [2024-09-21 19:10:27,914 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-21 19:10:27,916 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-21 19:10:27,948 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-21 19:10:27,950 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-21 19:10:27,950 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-21 19:10:27,951 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-21 19:10:27,952 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-21 19:10:27,953 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-21 19:10:27,953 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-21 19:10:27,954 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-21 19:10:27,955 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-21 19:10:27,955 INFO L153 SettingsManager]: * Use SBE=true [2024-09-21 19:10:27,956 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-21 19:10:27,956 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-21 19:10:27,956 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-21 19:10:27,956 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-09-21 19:10:27,959 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-21 19:10:27,959 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-21 19:10:27,960 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-21 19:10:27,960 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-21 19:10:27,961 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-21 19:10:27,961 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-21 19:10:27,961 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-21 19:10:27,962 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-21 19:10:27,962 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-21 19:10:27,962 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-21 19:10:27,963 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-21 19:10:27,964 INFO L153 SettingsManager]: * Future-live optimization=false [2024-09-21 19:10:27,964 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-21 19:10:27,964 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-21 19:10:27,965 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-21 19:10:27,965 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-21 19:10:27,965 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-21 19:10:27,965 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-21 19:10:27,966 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-09-21 19:10:27,966 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-09-21 19:10:27,966 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-21 19:10:27,966 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-21 19:10:27,967 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-21 19:10:27,967 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-21 19:10:27,967 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/certificate-witnesses-artifact/referee/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None [2024-09-21 19:10:28,233 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-21 19:10:28,258 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-21 19:10:28,263 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-21 19:10:28,264 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-21 19:10:28,265 INFO L274 PluginConnector]: CDTParser initialized [2024-09-21 19:10:28,266 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/nla-digbench-scaling/knuth_valuebound5.i [2024-09-21 19:10:29,711 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-21 19:10:29,887 INFO L384 CDTParser]: Found 1 translation units. [2024-09-21 19:10:29,888 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench-scaling/knuth_valuebound5.i [2024-09-21 19:10:29,897 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/456959d9d/5a97f43d17804eef89deac0099ced0f8/FLAG3813aeb47 [2024-09-21 19:10:30,282 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/456959d9d/5a97f43d17804eef89deac0099ced0f8 [2024-09-21 19:10:30,284 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-21 19:10:30,285 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-21 19:10:30,285 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/cpachecker-verification-files/SV-COMP24_unreach-call/knuth_valuebound5.yml/output/witness-2.1.yml [2024-09-21 19:10:30,331 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-21 19:10:30,332 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-09-21 19:10:30,334 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-21 19:10:30,334 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-21 19:10:30,339 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-21 19:10:30,340 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 07:10:30" (1/2) ... [2024-09-21 19:10:30,343 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3f162df7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 07:10:30, skipping insertion in model container [2024-09-21 19:10:30,343 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 07:10:30" (1/2) ... [2024-09-21 19:10:30,344 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@602b044f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 07:10:30, skipping insertion in model container [2024-09-21 19:10:30,345 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 21.09 07:10:30" (2/2) ... [2024-09-21 19:10:30,345 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3f162df7 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 21.09 07:10:30, skipping insertion in model container [2024-09-21 19:10:30,345 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 21.09 07:10:30" (2/2) ... [2024-09-21 19:10:30,353 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-21 19:10:30,355 INFO L1541 ArrayList]: Function contract at [L26]: requires 1, ensures 1 [2024-09-21 19:10:30,357 INFO L1541 ArrayList]: Function contract at [L15]: requires 1, ensures (!(1) || (1)) [2024-09-21 19:10:30,374 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-21 19:10:30,510 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_valuebound5.i[948,961] [2024-09-21 19:10:30,525 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator has thrown an exception: java.lang.UnsupportedOperationException: floating point operation not supported in non-bitprecise translation: sqrt at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.expressiontranslation.IntegerTranslation.constructOtherUnaryFloatOperation(IntegerTranslation.java:610) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.standardfunctions.StandardFunctionHandler.handleUnaryFloatFunction(StandardFunctionHandler.java:2721) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.standardfunctions.StandardFunctionHandler.translateStandardFunction(StandardFunctionHandler.java:253) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1586) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:271) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:789) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:286) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1494) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:224) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.handleCompoundStatement(CHandler.java:1150) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1133) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:236) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.chandler.FunctionHandler.handleFunctionDefinition(FunctionHandler.java:387) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1613) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:159) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.processTUchild(CHandler.java:3471) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2497) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:639) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:135) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.translate(MainTranslator.java:189) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.run(MainTranslator.java:116) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.(MainTranslator.java:94) at de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver.finish(CACSL2BoogieTranslatorObserver.java:145) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2024-09-21 19:10:30,531 INFO L158 Benchmark]: Toolchain (without parser) took 197.47ms. Allocated memory is still 159.4MB. Free memory was 84.9MB in the beginning and 74.7MB in the end (delta: 10.2MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2024-09-21 19:10:30,532 INFO L158 Benchmark]: CDTParser took 0.22ms. Allocated memory is still 159.4MB. Free memory is still 109.4MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-21 19:10:30,533 INFO L158 Benchmark]: Witness Parser took 0.55ms. Allocated memory is still 159.4MB. Free memory was 86.8MB in the beginning and 86.7MB in the end (delta: 134.6kB). There was no memory consumed. Max. memory is 16.1GB. [2024-09-21 19:10:30,533 INFO L158 Benchmark]: CACSL2BoogieTranslator took 194.62ms. Allocated memory is still 159.4MB. Free memory was 84.7MB in the beginning and 74.7MB in the end (delta: 10.0MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2024-09-21 19:10:30,536 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22ms. Allocated memory is still 159.4MB. Free memory is still 109.4MB. There was no memory consumed. Max. memory is 16.1GB. * Witness Parser took 0.55ms. Allocated memory is still 159.4MB. Free memory was 86.8MB in the beginning and 86.7MB in the end (delta: 134.6kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 194.62ms. Allocated memory is still 159.4MB. Free memory was 84.7MB in the beginning and 74.7MB 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/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_valuebound5.i ../results/cpachecker-verification-files/SV-COMP24_unreach-call/knuth_valuebound5.yml/output/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 19:10:32,537 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-21 19:10:32,633 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Bitvector.epf [2024-09-21 19:10:32,639 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-21 19:10:32,640 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-21 19:10:32,673 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-21 19:10:32,674 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-21 19:10:32,674 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-21 19:10:32,675 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-21 19:10:32,676 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-21 19:10:32,676 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-21 19:10:32,676 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-21 19:10:32,677 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-21 19:10:32,679 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-21 19:10:32,680 INFO L153 SettingsManager]: * Use SBE=true [2024-09-21 19:10:32,681 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-21 19:10:32,682 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-21 19:10:32,683 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-21 19:10:32,685 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-21 19:10:32,686 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-21 19:10:32,686 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-21 19:10:32,686 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-21 19:10:32,687 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-21 19:10:32,687 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-09-21 19:10:32,687 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-09-21 19:10:32,687 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-21 19:10:32,688 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-09-21 19:10:32,688 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-21 19:10:32,688 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-21 19:10:32,688 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-21 19:10:32,689 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-21 19:10:32,689 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-21 19:10:32,690 INFO L153 SettingsManager]: * Future-live optimization=false [2024-09-21 19:10:32,690 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-21 19:10:32,690 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-21 19:10:32,691 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-21 19:10:32,691 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-21 19:10:32,692 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-21 19:10:32,693 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-21 19:10:32,693 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-09-21 19:10:32,693 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-09-21 19:10:32,693 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-21 19:10:32,693 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-21 19:10:32,694 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-21 19:10:32,694 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-21 19:10:32,694 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2024-09-21 19:10:32,694 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/certificate-witnesses-artifact/referee/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None [2024-09-21 19:10:32,985 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-21 19:10:33,007 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-21 19:10:33,009 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-21 19:10:33,011 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-21 19:10:33,012 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-21 19:10:33,014 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/cpachecker-verification-files/SV-COMP24_unreach-call/knuth_valuebound5.yml/output/witness-2.1.yml [2024-09-21 19:10:33,068 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-21 19:10:33,068 INFO L274 PluginConnector]: CDTParser initialized [2024-09-21 19:10:33,069 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/nla-digbench-scaling/knuth_valuebound5.i [2024-09-21 19:10:34,694 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-21 19:10:34,896 INFO L384 CDTParser]: Found 1 translation units. [2024-09-21 19:10:34,897 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench-scaling/knuth_valuebound5.i [2024-09-21 19:10:34,905 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/5bfde54aa/d3bccec555bd4a229d93a8d5056e4312/FLAGea4a1ecd7 [2024-09-21 19:10:34,923 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/5bfde54aa/d3bccec555bd4a229d93a8d5056e4312 [2024-09-21 19:10:34,924 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-21 19:10:34,925 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-09-21 19:10:34,930 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-21 19:10:34,930 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-21 19:10:34,935 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-21 19:10:34,936 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 21.09 07:10:33" (1/2) ... [2024-09-21 19:10:34,940 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@d5e159a and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 21.09 07:10:34, skipping insertion in model container [2024-09-21 19:10:34,940 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 21.09 07:10:33" (1/2) ... [2024-09-21 19:10:34,941 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@365ea5e9 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 21.09 07:10:34, skipping insertion in model container [2024-09-21 19:10:34,942 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 07:10:34" (2/2) ... [2024-09-21 19:10:34,942 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@d5e159a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 07:10:34, skipping insertion in model container [2024-09-21 19:10:34,942 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 07:10:34" (2/2) ... [2024-09-21 19:10:34,952 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-21 19:10:34,953 INFO L1541 ArrayList]: Function contract at [L26]: requires 1, ensures 1 [2024-09-21 19:10:34,953 INFO L1541 ArrayList]: Function contract at [L15]: requires 1, ensures (!(1) || (1)) [2024-09-21 19:10:34,972 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-21 19:10:35,143 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_valuebound5.i[948,961] [2024-09-21 19:10:35,199 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-21 19:10:35,219 INFO L200 MainTranslator]: Completed pre-run Start Parsing Global Start Parsing Global [2024-09-21 19:10:35,272 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_valuebound5.i[948,961] Start Parsing Global Start Parsing Global [2024-09-21 19:10:35,296 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-21 19:10:35,316 INFO L204 MainTranslator]: Completed translation [2024-09-21 19:10:35,317 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 07:10:35 WrapperNode [2024-09-21 19:10:35,317 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-21 19:10:35,318 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-21 19:10:35,318 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-21 19:10:35,318 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-21 19:10:35,331 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 07:10:35" (1/1) ... [2024-09-21 19:10:35,331 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 07:10:35" (1/1) ... [2024-09-21 19:10:35,347 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 07:10:35" (1/1) ... [2024-09-21 19:10:35,367 WARN L109 MemorySlicer]: Omit memory slicing because it failed with the following exception: Unsupported: Procedure assume_abort_if_not is not part of the Ultimate memory model but has specification other that is not a ModifiesSpecification [2024-09-21 19:10:35,368 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 07:10:35" (1/1) ... [2024-09-21 19:10:35,368 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 07:10:35" (1/1) ... [2024-09-21 19:10:35,383 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 07:10:35" (1/1) ... [2024-09-21 19:10:35,387 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 07:10:35" (1/1) ... [2024-09-21 19:10:35,394 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 07:10:35" (1/1) ... [2024-09-21 19:10:35,396 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 07:10:35" (1/1) ... [2024-09-21 19:10:35,402 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-21 19:10:35,403 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-21 19:10:35,403 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-21 19:10:35,403 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-21 19:10:35,404 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 07:10:35" (1/1) ... [2024-09-21 19:10:35,409 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-21 19:10:35,419 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-09-21 19:10:35,436 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/certificate-witnesses-artifact/referee/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-09-21 19:10:35,442 INFO L327 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/referee/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-09-21 19:10:35,489 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-09-21 19:10:35,491 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-21 19:10:35,491 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.setCurrentRoundingMode [2024-09-21 19:10:35,491 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-09-21 19:10:35,491 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-09-21 19:10:35,491 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-09-21 19:10:35,491 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-09-21 19:10:35,492 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-09-21 19:10:35,492 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-09-21 19:10:35,492 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_perror_fail [2024-09-21 19:10:35,492 INFO L130 BoogieDeclarations]: Found specification of procedure __assert [2024-09-21 19:10:35,492 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-09-21 19:10:35,492 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-21 19:10:35,492 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2024-09-21 19:10:35,492 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-09-21 19:10:35,492 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-09-21 19:10:35,492 INFO L130 BoogieDeclarations]: Found specification of procedure sqrt [2024-09-21 19:10:35,493 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-09-21 19:10:35,493 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-09-21 19:10:35,493 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-09-21 19:10:35,493 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-21 19:10:35,493 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.setCurrentRoundingMode [2024-09-21 19:10:35,493 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2024-09-21 19:10:35,493 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2024-09-21 19:10:35,493 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-09-21 19:10:35,596 INFO L242 CfgBuilder]: Building ICFG [2024-09-21 19:10:35,598 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-21 19:10:35,681 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-21 19:10:35,687 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-21 19:10:40,588 INFO L291 CfgBuilder]: Performing block encoding [2024-09-21 19:10:40,627 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-21 19:10:40,630 INFO L318 CfgBuilder]: Removed 2 assume(true) statements. [2024-09-21 19:10:40,634 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 07:10:40 BoogieIcfgContainer [2024-09-21 19:10:40,635 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-21 19:10:40,635 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-09-21 19:10:40,636 INFO L270 PluginConnector]: Initializing Referee... [2024-09-21 19:10:40,637 INFO L274 PluginConnector]: Referee initialized [2024-09-21 19:10:40,637 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 21.09 07:10:33" (1/4) ... [2024-09-21 19:10:40,637 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@1c2a3ae and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 21.09 07:10:40, skipping insertion in model container [2024-09-21 19:10:40,638 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 21.09 07:10:34" (2/4) ... [2024-09-21 19:10:40,640 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@1c2a3ae and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 21.09 07:10:40, skipping insertion in model container [2024-09-21 19:10:40,640 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 07:10:35" (3/4) ... [2024-09-21 19:10:40,641 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@1c2a3ae and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 21.09 07:10:40, skipping insertion in model container [2024-09-21 19:10:40,641 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 07:10:40" (4/4) ... [2024-09-21 19:10:40,642 INFO L79 RefereeObserver]: Analyzing ICFG knuth_valuebound5.i [2024-09-21 19:10:40,647 INFO L113 InvariantChecker]: Found 1 loops. [2024-09-21 19:10:40,648 INFO L373 InvariantChecker]: Will check inductivity from ENTRY assume_abort_if_notENTRY to ERROR_LOC assume_abort_if_notErr0ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 4 edges. [2024-09-21 19:10:40,649 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L58-2 to ERROR_LOC mainErr4ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 10 edges. [2024-09-21 19:10:40,649 INFO L373 InvariantChecker]: Will check inductivity from ENTRY mainENTRY to ERROR_LOC mainErr2REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 5 edges. [2024-09-21 19:10:40,649 INFO L373 InvariantChecker]: Will check inductivity from ENTRY mainENTRY to ERROR_LOC mainErr0REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 2 edges. [2024-09-21 19:10:40,650 INFO L373 InvariantChecker]: Will check inductivity from ENTRY mainENTRY to ERROR_LOC mainErr1REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 4 edges. [2024-09-21 19:10:40,650 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC ULTIMATE.startErr0REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 2 edges. [2024-09-21 19:10:40,650 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 3 edges. [2024-09-21 19:10:40,651 INFO L373 InvariantChecker]: Will check inductivity from ENTRY mainENTRY to ERROR_LOC mainErr3REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 6 edges. [2024-09-21 19:10:40,652 INFO L131 InvariantChecker]: Will check 7 loop-free subgraphs from procedure entry to error location, 1 loop-free subgraphs from loop head to error location [2024-09-21 19:10:40,742 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 4 edges [2024-09-21 19:10:40,743 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 19:10:40,743 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 19:10:40,744 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 19:10:40,745 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 19:10:40,749 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:10:40,756 INFO L101 BaseMinimizeStates]: Removed 6 edges and 2 locations by large block encoding [2024-09-21 19:10:40,757 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:10:40,757 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 19:10:40,758 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 19:10:40,759 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 19:10:40,761 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 19:10:40,778 INFO L520 InvariantChecker]: The annotation(s) from entry assume_abort_if_notENTRY to error location assume_abort_if_notErr0ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-21 19:10:40,809 INFO L314 BlockEncoder]: Initial Icfg 9 locations, 10 edges [2024-09-21 19:10:40,809 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 19:10:40,809 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 19:10:40,809 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 19:10:40,810 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 19:10:40,810 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:10:40,814 INFO L101 BaseMinimizeStates]: Removed 18 edges and 7 locations by large block encoding [2024-09-21 19:10:40,818 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:10:40,818 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 19:10:40,818 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 19:10:40,819 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 19:10:40,819 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 19:10:40,821 INFO L520 InvariantChecker]: The annotation(s) from loop head L58-2 to error location mainErr4ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-21 19:10:40,855 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 5 edges [2024-09-21 19:10:40,859 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 19:10:40,859 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 19:10:40,859 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 19:10:40,859 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 19:10:40,859 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:10:40,861 INFO L101 BaseMinimizeStates]: Removed 8 edges and 4 locations by large block encoding [2024-09-21 19:10:40,864 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:10:40,864 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 19:10:40,864 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 19:10:40,864 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 19:10:40,864 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 19:10:40,866 INFO L520 InvariantChecker]: The annotation(s) from entry mainENTRY to error location mainErr2REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-21 19:10:40,891 INFO L314 BlockEncoder]: Initial Icfg 3 locations, 2 edges [2024-09-21 19:10:40,893 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 19:10:40,893 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 19:10:40,893 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 19:10:40,894 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 19:10:40,894 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:10:40,894 INFO L101 BaseMinimizeStates]: Removed 2 edges and 1 locations by large block encoding [2024-09-21 19:10:40,895 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:10:40,895 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 19:10:40,895 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 19:10:40,895 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 19:10:40,895 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 19:10:40,898 INFO L520 InvariantChecker]: The annotation(s) from entry mainENTRY to error location mainErr0REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-21 19:10:40,917 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 4 edges [2024-09-21 19:10:40,917 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 19:10:40,917 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 19:10:40,917 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 19:10:40,917 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 19:10:40,918 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:10:40,919 INFO L101 BaseMinimizeStates]: Removed 6 edges and 3 locations by large block encoding [2024-09-21 19:10:40,919 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:10:40,919 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 19:10:40,919 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 19:10:40,919 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 19:10:40,920 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 19:10:40,921 INFO L520 InvariantChecker]: The annotation(s) from entry mainENTRY to error location mainErr1REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-21 19:10:40,938 INFO L314 BlockEncoder]: Initial Icfg 3 locations, 2 edges [2024-09-21 19:10:40,938 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 19:10:40,938 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 19:10:40,939 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 19:10:40,939 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 19:10:40,939 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:10:40,940 INFO L101 BaseMinimizeStates]: Removed 2 edges and 1 locations by large block encoding [2024-09-21 19:10:40,940 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:10:40,940 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 19:10:40,941 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 19:10:40,941 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 19:10:40,941 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 19:10:40,944 INFO L520 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to error location ULTIMATE.startErr0REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-21 19:10:40,960 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-21 19:10:40,961 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 19:10:40,961 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 19:10:40,961 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 19:10:40,961 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 19:10:40,961 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:10:40,963 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-21 19:10:40,963 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:10:40,963 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 19:10:40,963 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 19:10:40,963 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 19:10:40,963 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 19:10:41,024 INFO L314 BlockEncoder]: Initial Icfg 7 locations, 6 edges [2024-09-21 19:10:41,025 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 19:10:41,025 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 19:10:41,026 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 19:10:41,026 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 19:10:41,026 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:10:41,028 INFO L101 BaseMinimizeStates]: Removed 10 edges and 5 locations by large block encoding [2024-09-21 19:10:41,030 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:10:41,031 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 19:10:41,031 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 19:10:41,031 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 19:10:41,031 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 19:10:41,033 INFO L520 InvariantChecker]: The annotation(s) from entry mainENTRY to error location mainErr3REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-21 19:10:41,044 INFO L58 RefereeStarter]: Annotation is not a valid proof of correctness. [2024-09-21 19:10:41,044 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@1c2a3ae and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee CFG 21.09 07:10:41, skipping insertion in model container [2024-09-21 19:10:41,044 INFO L131 PluginConnector]: ------------------------ END Referee---------------------------- [2024-09-21 19:10:41,046 INFO L158 Benchmark]: Toolchain (without parser) took 6120.02ms. Allocated memory is still 88.1MB. Free memory was 58.5MB in the beginning and 63.4MB in the end (delta: -4.8MB). Peak memory consumption was 26.8MB. Max. memory is 16.1GB. [2024-09-21 19:10:41,046 INFO L158 Benchmark]: Witness Parser took 0.34ms. Allocated memory is still 58.7MB. Free memory was 30.5MB in the beginning and 30.4MB in the end (delta: 73.4kB). There was no memory consumed. Max. memory is 16.1GB. [2024-09-21 19:10:41,047 INFO L158 Benchmark]: CDTParser took 0.16ms. Allocated memory is still 58.7MB. Free memory is still 41.7MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-21 19:10:41,048 INFO L158 Benchmark]: CACSL2BoogieTranslator took 387.61ms. Allocated memory is still 88.1MB. Free memory was 58.3MB in the beginning and 66.1MB in the end (delta: -7.7MB). Peak memory consumption was 16.5MB. Max. memory is 16.1GB. [2024-09-21 19:10:41,048 INFO L158 Benchmark]: Boogie Preprocessor took 84.15ms. Allocated memory is still 88.1MB. Free memory was 65.7MB in the beginning and 63.3MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-09-21 19:10:41,049 INFO L158 Benchmark]: RCFGBuilder took 5232.11ms. Allocated memory is still 88.1MB. Free memory was 63.3MB in the beginning and 44.1MB in the end (delta: 19.2MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2024-09-21 19:10:41,049 INFO L158 Benchmark]: Referee took 408.93ms. Allocated memory is still 88.1MB. Free memory was 44.1MB in the beginning and 63.9MB in the end (delta: -19.9MB). Peak memory consumption was 12.4MB. Max. memory is 16.1GB. [2024-09-21 19:10:41,052 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.referee: - AnnotationCheckResult: Annotation is not a valid proof of correctness. Annotation is not a valid proof of correctness. Annotation is not valid for all loop-free paths from entry of procedure __VERIFIER_assert to check that a call to reach_error is unreachable at line 20. One counterexample starts in \old(cond)=0 and ends in \old(cond)=0, cond=0. Annotation is valid for all loop-free paths from entry of procedure main to check that procedure precondition always holds at line 32. Annotation is valid for all loop-free paths from entry of procedure assume_abort_if_not to exit of procedure assume_abort_if_not. Annotation is valid for all loop-free paths from entry of procedure main to check that procedure precondition always holds at line 30. Annotation is valid for all loop-free paths from entry of procedure main to check that procedure precondition always holds at line 32. Annotation is valid for all loop-free paths from entry of procedure main to check that procedure precondition always holds at line 33. Annotation is valid for all loop-free paths from entry of procedure ULTIMATE.start to check that procedure precondition always holds at line -1. Annotation is valid for all loop-free paths from loop head at line 41 to exit of procedure main. * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Witness Parser took 0.34ms. Allocated memory is still 58.7MB. Free memory was 30.5MB in the beginning and 30.4MB in the end (delta: 73.4kB). There was no memory consumed. Max. memory is 16.1GB. * CDTParser took 0.16ms. Allocated memory is still 58.7MB. Free memory is still 41.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 387.61ms. Allocated memory is still 88.1MB. Free memory was 58.3MB in the beginning and 66.1MB in the end (delta: -7.7MB). Peak memory consumption was 16.5MB. Max. memory is 16.1GB. * Boogie Preprocessor took 84.15ms. Allocated memory is still 88.1MB. Free memory was 65.7MB in the beginning and 63.3MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 5232.11ms. Allocated memory is still 88.1MB. Free memory was 63.3MB in the beginning and 44.1MB in the end (delta: 19.2MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * Referee took 408.93ms. Allocated memory is still 88.1MB. Free memory was 44.1MB in the beginning and 63.9MB in the end (delta: -19.9MB). Peak memory consumption was 12.4MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be incorrect! [2024-09-21 19:10:41,241 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 Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE