./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/loop-invgen/SpamAssassin-loop.i.v+cfa-reducer.c --full-output --witness-type correctness_witness --validate ../results/cpachecker-verification-files/SV-COMP24_unreach-call/SpamAssassin-loop.i.v+cfa-reducer.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/loop-invgen/SpamAssassin-loop.i.v+cfa-reducer.c ../results/cpachecker-verification-files/SV-COMP24_unreach-call/SpamAssassin-loop.i.v+cfa-reducer.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 19:06:32,742 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-21 19:06:32,829 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Default.epf [2024-09-21 19:06:32,841 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-21 19:06:32,844 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-21 19:06:32,884 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-21 19:06:32,884 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-21 19:06:32,885 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-21 19:06:32,885 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-21 19:06:32,885 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-21 19:06:32,885 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-21 19:06:32,913 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-21 19:06:32,914 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-21 19:06:32,914 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-21 19:06:32,914 INFO L153 SettingsManager]: * Use SBE=true [2024-09-21 19:06:32,914 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-21 19:06:32,915 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-21 19:06:32,915 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-21 19:06:32,915 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-09-21 19:06:32,915 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-21 19:06:32,915 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-21 19:06:32,923 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-21 19:06:32,923 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-21 19:06:32,923 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-21 19:06:32,924 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-21 19:06:32,924 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-21 19:06:32,924 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-21 19:06:32,924 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-21 19:06:32,924 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-21 19:06:32,924 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-21 19:06:32,925 INFO L153 SettingsManager]: * Future-live optimization=false [2024-09-21 19:06:32,925 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-21 19:06:32,925 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-21 19:06:32,925 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-21 19:06:32,925 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-21 19:06:32,925 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-21 19:06:32,926 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-21 19:06:32,926 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-09-21 19:06:32,926 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-09-21 19:06:32,928 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-21 19:06:32,928 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-21 19:06:32,929 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-21 19:06:32,929 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-21 19:06:32,930 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None [2024-09-21 19:06:33,272 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-21 19:06:33,294 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-21 19:06:33,296 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-21 19:06:33,297 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-21 19:06:33,298 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-21 19:06:33,299 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/cpachecker-verification-files/SV-COMP24_unreach-call/SpamAssassin-loop.i.v+cfa-reducer.yml/output/witness-2.1.yml [2024-09-21 19:06:33,402 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-21 19:06:33,407 INFO L274 PluginConnector]: CDTParser initialized [2024-09-21 19:06:33,409 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/loop-invgen/SpamAssassin-loop.i.v+cfa-reducer.c [2024-09-21 19:06:34,966 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-21 19:06:35,174 INFO L384 CDTParser]: Found 1 translation units. [2024-09-21 19:06:35,175 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-invgen/SpamAssassin-loop.i.v+cfa-reducer.c [2024-09-21 19:06:35,183 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/71d44e4e1/a1cb516baa0847f5be1aa57bedf3fb53/FLAGb64053342 [2024-09-21 19:06:35,542 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/71d44e4e1/a1cb516baa0847f5be1aa57bedf3fb53 [2024-09-21 19:06:35,542 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-21 19:06:35,543 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-09-21 19:06:35,545 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-21 19:06:35,545 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-21 19:06:35,549 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-21 19:06:35,549 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 07:06:33" (1/2) ... [2024-09-21 19:06:35,550 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@64b4a5ae and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 21.09 07:06:35, skipping insertion in model container [2024-09-21 19:06:35,550 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 07:06:33" (1/2) ... [2024-09-21 19:06:35,552 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@6fce26f9 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 21.09 07:06:35, skipping insertion in model container [2024-09-21 19:06:35,552 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 07:06:35" (2/2) ... [2024-09-21 19:06:35,552 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@64b4a5ae and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 07:06:35, skipping insertion in model container [2024-09-21 19:06:35,552 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 07:06:35" (2/2) ... [2024-09-21 19:06:35,557 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-21 19:06:35,557 INFO L1541 ArrayList]: Function contract at [L13]: requires 1, ensures (!(1) || (1)) [2024-09-21 19:06:35,577 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-21 19:06:35,708 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/loop-invgen/SpamAssassin-loop.i.v+cfa-reducer.c[1066,1079] [2024-09-21 19:06:35,716 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/loop-invgen/SpamAssassin-loop.i.v+cfa-reducer.c[1266,1279] [2024-09-21 19:06:35,717 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/loop-invgen/SpamAssassin-loop.i.v+cfa-reducer.c[1613,1626] [2024-09-21 19:06:35,722 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/loop-invgen/SpamAssassin-loop.i.v+cfa-reducer.c[1813,1826] [2024-09-21 19:06:35,723 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/loop-invgen/SpamAssassin-loop.i.v+cfa-reducer.c[2024,2037] [2024-09-21 19:06:35,727 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/loop-invgen/SpamAssassin-loop.i.v+cfa-reducer.c[2224,2237] [2024-09-21 19:06:35,729 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/loop-invgen/SpamAssassin-loop.i.v+cfa-reducer.c[2629,2642] [2024-09-21 19:06:35,730 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/loop-invgen/SpamAssassin-loop.i.v+cfa-reducer.c[2829,2842] [2024-09-21 19:06:35,731 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/loop-invgen/SpamAssassin-loop.i.v+cfa-reducer.c[3040,3053] [2024-09-21 19:06:35,732 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/loop-invgen/SpamAssassin-loop.i.v+cfa-reducer.c[3243,3256] [2024-09-21 19:06:35,733 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/loop-invgen/SpamAssassin-loop.i.v+cfa-reducer.c[3583,3596] [2024-09-21 19:06:35,734 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/loop-invgen/SpamAssassin-loop.i.v+cfa-reducer.c[3786,3799] [2024-09-21 19:06:35,735 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/loop-invgen/SpamAssassin-loop.i.v+cfa-reducer.c[4000,4013] [2024-09-21 19:06:35,739 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/loop-invgen/SpamAssassin-loop.i.v+cfa-reducer.c[4203,4216] [2024-09-21 19:06:35,741 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/loop-invgen/SpamAssassin-loop.i.v+cfa-reducer.c[4547,4560] [2024-09-21 19:06:35,742 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/loop-invgen/SpamAssassin-loop.i.v+cfa-reducer.c[4750,4763] [2024-09-21 19:06:35,744 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-21 19:06:35,751 INFO L200 MainTranslator]: Completed pre-run Start Parsing Global Start Parsing Global [2024-09-21 19:06:35,780 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/loop-invgen/SpamAssassin-loop.i.v+cfa-reducer.c[1066,1079] [2024-09-21 19:06:35,781 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/loop-invgen/SpamAssassin-loop.i.v+cfa-reducer.c[1266,1279] [2024-09-21 19:06:35,782 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/loop-invgen/SpamAssassin-loop.i.v+cfa-reducer.c[1613,1626] [2024-09-21 19:06:35,783 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/loop-invgen/SpamAssassin-loop.i.v+cfa-reducer.c[1813,1826] [2024-09-21 19:06:35,784 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/loop-invgen/SpamAssassin-loop.i.v+cfa-reducer.c[2024,2037] [2024-09-21 19:06:35,785 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/loop-invgen/SpamAssassin-loop.i.v+cfa-reducer.c[2224,2237] [2024-09-21 19:06:35,786 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/loop-invgen/SpamAssassin-loop.i.v+cfa-reducer.c[2629,2642] [2024-09-21 19:06:35,787 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/loop-invgen/SpamAssassin-loop.i.v+cfa-reducer.c[2829,2842] [2024-09-21 19:06:35,788 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/loop-invgen/SpamAssassin-loop.i.v+cfa-reducer.c[3040,3053] [2024-09-21 19:06:35,789 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/loop-invgen/SpamAssassin-loop.i.v+cfa-reducer.c[3243,3256] [2024-09-21 19:06:35,791 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/loop-invgen/SpamAssassin-loop.i.v+cfa-reducer.c[3583,3596] [2024-09-21 19:06:35,792 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/loop-invgen/SpamAssassin-loop.i.v+cfa-reducer.c[3786,3799] [2024-09-21 19:06:35,796 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/loop-invgen/SpamAssassin-loop.i.v+cfa-reducer.c[4000,4013] [2024-09-21 19:06:35,797 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/loop-invgen/SpamAssassin-loop.i.v+cfa-reducer.c[4203,4216] [2024-09-21 19:06:35,798 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/loop-invgen/SpamAssassin-loop.i.v+cfa-reducer.c[4547,4560] [2024-09-21 19:06:35,802 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/loop-invgen/SpamAssassin-loop.i.v+cfa-reducer.c[4750,4763] [2024-09-21 19:06:35,804 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-21 19:06:35,822 INFO L204 MainTranslator]: Completed translation [2024-09-21 19:06:35,823 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 07:06:35 WrapperNode [2024-09-21 19:06:35,824 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-21 19:06:35,825 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-21 19:06:35,826 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-21 19:06:35,826 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-21 19:06:35,836 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 07:06:35" (1/1) ... [2024-09-21 19:06:35,836 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 07:06:35" (1/1) ... [2024-09-21 19:06:35,845 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 07:06:35" (1/1) ... [2024-09-21 19:06:35,859 WARN L109 MemorySlicer]: Omit memory slicing because it failed with the following exception: Unsupported: Procedure main is not part of the Ultimate memory model but has specification other that is not a ModifiesSpecification [2024-09-21 19:06:35,859 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 07:06:35" (1/1) ... [2024-09-21 19:06:35,859 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 07:06:35" (1/1) ... [2024-09-21 19:06:35,866 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 07:06:35" (1/1) ... [2024-09-21 19:06:35,868 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 07:06:35" (1/1) ... [2024-09-21 19:06:35,870 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 07:06:35" (1/1) ... [2024-09-21 19:06:35,871 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 07:06:35" (1/1) ... [2024-09-21 19:06:35,873 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-21 19:06:35,873 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-21 19:06:35,874 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-21 19:06:35,874 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-21 19:06:35,874 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 07:06:35" (1/1) ... [2024-09-21 19:06:35,879 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-21 19:06:35,889 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-09-21 19:06:35,902 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 19:06:35,904 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 19:06:35,954 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-09-21 19:06:35,954 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-21 19:06:35,954 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-09-21 19:06:35,955 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-09-21 19:06:35,955 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-09-21 19:06:35,955 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-09-21 19:06:35,955 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-09-21 19:06:35,955 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-09-21 19:06:35,955 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-21 19:06:35,955 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-09-21 19:06:35,955 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-09-21 19:06:35,955 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2024-09-21 19:06:35,955 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-09-21 19:06:35,956 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-09-21 19:06:35,956 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-09-21 19:06:35,956 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-21 19:06:35,957 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-09-21 19:06:35,957 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-09-21 19:06:35,957 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-09-21 19:06:36,044 INFO L242 CfgBuilder]: Building ICFG [2024-09-21 19:06:36,046 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-21 19:06:36,084 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-21 19:06:36,207 INFO L291 CfgBuilder]: Performing block encoding [2024-09-21 19:06:36,231 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-21 19:06:36,231 INFO L318 CfgBuilder]: Removed 1 assume(true) statements. [2024-09-21 19:06:36,231 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 07:06:36 BoogieIcfgContainer [2024-09-21 19:06:36,231 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-21 19:06:36,232 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-09-21 19:06:36,232 INFO L270 PluginConnector]: Initializing Referee... [2024-09-21 19:06:36,233 INFO L274 PluginConnector]: Referee initialized [2024-09-21 19:06:36,233 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 07:06:33" (1/4) ... [2024-09-21 19:06:36,233 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@ba1538c and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 21.09 07:06:36, skipping insertion in model container [2024-09-21 19:06:36,233 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 21.09 07:06:35" (2/4) ... [2024-09-21 19:06:36,233 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@ba1538c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 21.09 07:06:36, skipping insertion in model container [2024-09-21 19:06:36,234 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 07:06:35" (3/4) ... [2024-09-21 19:06:36,234 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@ba1538c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 21.09 07:06:36, skipping insertion in model container [2024-09-21 19:06:36,234 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 07:06:36" (4/4) ... [2024-09-21 19:06:36,235 INFO L79 RefereeObserver]: Analyzing ICFG SpamAssassin-loop.i.v+cfa-reducer.c [2024-09-21 19:06:36,239 INFO L113 InvariantChecker]: Found 0 loops. [2024-09-21 19:06:36,240 INFO L373 InvariantChecker]: Will check inductivity from ENTRY mainENTRY to ERROR_LOC mainErr13ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 30 edges. [2024-09-21 19:06:36,240 INFO L373 InvariantChecker]: Will check inductivity from ENTRY mainENTRY to ERROR_LOC mainErr3ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 30 edges. [2024-09-21 19:06:36,241 INFO L373 InvariantChecker]: Will check inductivity from ENTRY mainENTRY to ERROR_LOC mainErr2ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 30 edges. [2024-09-21 19:06:36,241 INFO L373 InvariantChecker]: Will check inductivity from ENTRY mainENTRY to ERROR_LOC mainErr9ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 30 edges. [2024-09-21 19:06:36,242 INFO L373 InvariantChecker]: Will check inductivity from ENTRY mainENTRY to ERROR_LOC mainErr12ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 30 edges. [2024-09-21 19:06:36,242 INFO L373 InvariantChecker]: Will check inductivity from ENTRY mainENTRY to ERROR_LOC mainErr5ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 30 edges. [2024-09-21 19:06:36,243 INFO L373 InvariantChecker]: Will check inductivity from ENTRY mainENTRY to ERROR_LOC mainErr7ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 30 edges. [2024-09-21 19:06:36,243 INFO L373 InvariantChecker]: Will check inductivity from ENTRY mainENTRY to ERROR_LOC mainErr1ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 30 edges. [2024-09-21 19:06:36,243 INFO L373 InvariantChecker]: Will check inductivity from ENTRY mainENTRY to ERROR_LOC mainErr6ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 30 edges. [2024-09-21 19:06:36,243 INFO L373 InvariantChecker]: Will check inductivity from ENTRY mainENTRY to ERROR_LOC mainErr11ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 30 edges. [2024-09-21 19:06:36,243 INFO L373 InvariantChecker]: Will check inductivity from ENTRY mainENTRY to ERROR_LOC mainErr14ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 30 edges. [2024-09-21 19:06:36,244 INFO L373 InvariantChecker]: Will check inductivity from ENTRY mainENTRY to ERROR_LOC mainErr8ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 30 edges. [2024-09-21 19:06:36,244 INFO L373 InvariantChecker]: Will check inductivity from ENTRY mainENTRY to ERROR_LOC mainErr0ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 30 edges. [2024-09-21 19:06:36,244 INFO L373 InvariantChecker]: Will check inductivity from ENTRY mainENTRY to ERROR_LOC mainErr15ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 30 edges. [2024-09-21 19:06:36,244 INFO L373 InvariantChecker]: Will check inductivity from ENTRY mainENTRY to ERROR_LOC mainErr16ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 63 edges. [2024-09-21 19:06:36,244 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 19:06:36,245 INFO L373 InvariantChecker]: Will check inductivity from ENTRY mainENTRY to ERROR_LOC mainErr4ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 30 edges. [2024-09-21 19:06:36,245 INFO L373 InvariantChecker]: Will check inductivity from ENTRY mainENTRY to ERROR_LOC mainErr10ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 30 edges. [2024-09-21 19:06:36,245 INFO L131 InvariantChecker]: Will check 18 loop-free subgraphs from procedure entry to error location [2024-09-21 19:06:36,293 INFO L314 BlockEncoder]: Initial Icfg 26 locations, 30 edges [2024-09-21 19:06:36,294 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 19:06:36,294 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 19:06:36,294 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 19:06:36,295 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 19:06:36,297 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:06:36,379 INFO L101 BaseMinimizeStates]: Removed 58 edges and 23 locations by large block encoding [2024-09-21 19:06:36,381 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:06:36,381 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 19:06:36,381 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 19:06:36,382 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 19:06:36,397 INFO L314 BlockEncoder]: Encoded RCFG 3 locations, 3 edges [2024-09-21 19:06:36,408 INFO L314 BlockEncoder]: Initial Icfg 26 locations, 30 edges [2024-09-21 19:06:36,409 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 19:06:36,409 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 19:06:36,409 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 19:06:36,409 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 19:06:36,409 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:06:36,455 INFO L101 BaseMinimizeStates]: Removed 59 edges and 23 locations by large block encoding [2024-09-21 19:06:36,456 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:06:36,456 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 19:06:36,456 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 19:06:36,456 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 19:06:36,470 INFO L314 BlockEncoder]: Encoded RCFG 3 locations, 3 edges [2024-09-21 19:06:36,486 INFO L314 BlockEncoder]: Initial Icfg 26 locations, 30 edges [2024-09-21 19:06:36,487 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 19:06:36,487 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 19:06:36,487 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 19:06:36,488 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 19:06:36,488 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:06:36,570 INFO L101 BaseMinimizeStates]: Removed 59 edges and 23 locations by large block encoding [2024-09-21 19:06:36,570 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:06:36,570 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 19:06:36,570 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 19:06:36,571 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 19:06:36,581 INFO L314 BlockEncoder]: Encoded RCFG 3 locations, 3 edges [2024-09-21 19:06:36,592 INFO L314 BlockEncoder]: Initial Icfg 26 locations, 30 edges [2024-09-21 19:06:36,592 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 19:06:36,592 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 19:06:36,593 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 19:06:36,594 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 19:06:36,594 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:06:36,634 INFO L101 BaseMinimizeStates]: Removed 58 edges and 23 locations by large block encoding [2024-09-21 19:06:36,634 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:06:36,634 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 19:06:36,635 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 19:06:36,635 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 19:06:36,643 INFO L314 BlockEncoder]: Encoded RCFG 3 locations, 3 edges [2024-09-21 19:06:36,652 INFO L314 BlockEncoder]: Initial Icfg 26 locations, 30 edges [2024-09-21 19:06:36,653 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 19:06:36,653 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 19:06:36,653 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 19:06:36,653 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 19:06:36,653 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:06:36,685 INFO L101 BaseMinimizeStates]: Removed 58 edges and 23 locations by large block encoding [2024-09-21 19:06:36,686 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:06:36,686 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 19:06:36,686 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 19:06:36,687 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 19:06:36,695 INFO L314 BlockEncoder]: Encoded RCFG 3 locations, 3 edges [2024-09-21 19:06:36,701 INFO L314 BlockEncoder]: Initial Icfg 26 locations, 30 edges [2024-09-21 19:06:36,701 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 19:06:36,702 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 19:06:36,702 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 19:06:36,702 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 19:06:36,702 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:06:36,745 INFO L101 BaseMinimizeStates]: Removed 59 edges and 23 locations by large block encoding [2024-09-21 19:06:36,745 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:06:36,745 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 19:06:36,745 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 19:06:36,745 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 19:06:36,756 INFO L314 BlockEncoder]: Encoded RCFG 3 locations, 3 edges [2024-09-21 19:06:36,763 INFO L314 BlockEncoder]: Initial Icfg 26 locations, 30 edges [2024-09-21 19:06:36,763 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 19:06:36,763 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 19:06:36,763 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 19:06:36,763 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 19:06:36,764 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:06:36,830 INFO L101 BaseMinimizeStates]: Removed 58 edges and 23 locations by large block encoding [2024-09-21 19:06:36,830 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:06:36,830 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 19:06:36,831 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 19:06:36,831 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 19:06:36,839 INFO L314 BlockEncoder]: Encoded RCFG 3 locations, 3 edges [2024-09-21 19:06:36,844 INFO L314 BlockEncoder]: Initial Icfg 26 locations, 30 edges [2024-09-21 19:06:36,844 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 19:06:36,844 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 19:06:36,845 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 19:06:36,845 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 19:06:36,845 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:06:36,877 INFO L101 BaseMinimizeStates]: Removed 58 edges and 23 locations by large block encoding [2024-09-21 19:06:36,877 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:06:36,877 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 19:06:36,877 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 19:06:36,877 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 19:06:36,885 INFO L314 BlockEncoder]: Encoded RCFG 3 locations, 3 edges [2024-09-21 19:06:36,890 INFO L314 BlockEncoder]: Initial Icfg 26 locations, 30 edges [2024-09-21 19:06:36,891 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 19:06:36,891 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 19:06:36,891 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 19:06:36,891 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 19:06:36,891 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:06:36,924 INFO L101 BaseMinimizeStates]: Removed 58 edges and 23 locations by large block encoding [2024-09-21 19:06:36,925 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:06:36,925 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 19:06:36,925 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 19:06:36,925 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 19:06:36,932 INFO L314 BlockEncoder]: Encoded RCFG 3 locations, 3 edges [2024-09-21 19:06:36,939 INFO L314 BlockEncoder]: Initial Icfg 26 locations, 30 edges [2024-09-21 19:06:36,939 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 19:06:36,939 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 19:06:36,939 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 19:06:36,940 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 19:06:36,940 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:06:36,968 INFO L101 BaseMinimizeStates]: Removed 58 edges and 23 locations by large block encoding [2024-09-21 19:06:36,968 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:06:36,968 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 19:06:36,968 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 19:06:36,968 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 19:06:36,977 INFO L314 BlockEncoder]: Encoded RCFG 3 locations, 3 edges [2024-09-21 19:06:36,982 INFO L314 BlockEncoder]: Initial Icfg 26 locations, 30 edges [2024-09-21 19:06:36,982 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 19:06:36,982 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 19:06:36,982 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 19:06:36,982 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 19:06:36,982 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:06:37,019 INFO L101 BaseMinimizeStates]: Removed 58 edges and 23 locations by large block encoding [2024-09-21 19:06:37,020 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:06:37,020 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 19:06:37,020 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 19:06:37,021 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 19:06:37,058 INFO L314 BlockEncoder]: Encoded RCFG 3 locations, 3 edges [2024-09-21 19:06:37,064 INFO L314 BlockEncoder]: Initial Icfg 26 locations, 30 edges [2024-09-21 19:06:37,064 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 19:06:37,064 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 19:06:37,065 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 19:06:37,065 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 19:06:37,065 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:06:37,100 INFO L101 BaseMinimizeStates]: Removed 58 edges and 23 locations by large block encoding [2024-09-21 19:06:37,101 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:06:37,101 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 19:06:37,101 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 19:06:37,101 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 19:06:37,109 INFO L314 BlockEncoder]: Encoded RCFG 3 locations, 3 edges [2024-09-21 19:06:37,117 INFO L314 BlockEncoder]: Initial Icfg 26 locations, 30 edges [2024-09-21 19:06:37,119 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 19:06:37,119 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 19:06:37,119 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 19:06:37,119 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 19:06:37,119 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:06:37,175 INFO L101 BaseMinimizeStates]: Removed 58 edges and 23 locations by large block encoding [2024-09-21 19:06:37,176 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:06:37,176 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 19:06:37,176 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 19:06:37,176 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 19:06:37,184 INFO L314 BlockEncoder]: Encoded RCFG 3 locations, 3 edges [2024-09-21 19:06:37,190 INFO L314 BlockEncoder]: Initial Icfg 26 locations, 30 edges [2024-09-21 19:06:37,190 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 19:06:37,190 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 19:06:37,190 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 19:06:37,191 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 19:06:37,191 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:06:37,231 INFO L101 BaseMinimizeStates]: Removed 58 edges and 23 locations by large block encoding [2024-09-21 19:06:37,232 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:06:37,232 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 19:06:37,232 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 19:06:37,232 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 19:06:37,238 INFO L314 BlockEncoder]: Encoded RCFG 3 locations, 3 edges [2024-09-21 19:06:37,243 INFO L314 BlockEncoder]: Initial Icfg 42 locations, 63 edges [2024-09-21 19:06:37,243 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 19:06:37,243 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 19:06:37,243 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 19:06:37,243 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 19:06:37,243 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:06:37,277 INFO L101 BaseMinimizeStates]: Removed 156 edges and 39 locations by large block encoding [2024-09-21 19:06:37,277 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:06:37,277 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 19:06:37,277 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 19:06:37,277 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 19:06:37,290 INFO L314 BlockEncoder]: Encoded RCFG 3 locations, 4 edges [2024-09-21 19:06:37,291 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.referee has thrown an exception: java.lang.AssertionError: Either subgraph not acyclic or there is a bug at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AcyclicSubgraphMerger.(AcyclicSubgraphMerger.java:169) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.InvariantChecker.(InvariantChecker.java:145) at de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeStarter.(RefereeStarter.java:56) at de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver.finish(RefereeObserver.java:80) 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 19:06:37,296 INFO L158 Benchmark]: Toolchain (without parser) took 1752.13ms. Allocated memory was 213.9MB in the beginning and 285.2MB in the end (delta: 71.3MB). Free memory was 144.8MB in the beginning and 137.9MB in the end (delta: 6.9MB). Peak memory consumption was 93.1MB. Max. memory is 16.1GB. [2024-09-21 19:06:37,296 INFO L158 Benchmark]: Witness Parser took 0.15ms. Allocated memory is still 107.0MB. Free memory is still 77.4MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-21 19:06:37,296 INFO L158 Benchmark]: CDTParser took 0.85ms. Allocated memory is still 213.9MB. Free memory is still 189.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-21 19:06:37,297 INFO L158 Benchmark]: CACSL2BoogieTranslator took 280.21ms. Allocated memory is still 213.9MB. Free memory was 144.8MB in the beginning and 124.5MB in the end (delta: 20.3MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2024-09-21 19:06:37,297 INFO L158 Benchmark]: Boogie Preprocessor took 47.34ms. Allocated memory is still 213.9MB. Free memory was 124.5MB in the beginning and 122.2MB in the end (delta: 2.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-09-21 19:06:37,299 INFO L158 Benchmark]: RCFGBuilder took 358.15ms. Allocated memory is still 213.9MB. Free memory was 122.0MB in the beginning and 172.3MB in the end (delta: -50.3MB). Peak memory consumption was 11.8MB. Max. memory is 16.1GB. [2024-09-21 19:06:37,300 INFO L158 Benchmark]: Referee took 1062.69ms. Allocated memory was 213.9MB in the beginning and 285.2MB in the end (delta: 71.3MB). Free memory was 172.3MB in the beginning and 137.9MB in the end (delta: 34.4MB). Peak memory consumption was 119.1MB. Max. memory is 16.1GB. [2024-09-21 19:06:37,303 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.referee: - ExceptionOrErrorResult: AssertionError: Either subgraph not acyclic or there is a bug de.uni_freiburg.informatik.ultimate.plugins.generator.referee: AssertionError: Either subgraph not acyclic or there is a bug: de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AcyclicSubgraphMerger.(AcyclicSubgraphMerger.java:169) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Witness Parser took 0.15ms. Allocated memory is still 107.0MB. Free memory is still 77.4MB. There was no memory consumed. Max. memory is 16.1GB. * CDTParser took 0.85ms. Allocated memory is still 213.9MB. Free memory is still 189.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 280.21ms. Allocated memory is still 213.9MB. Free memory was 144.8MB in the beginning and 124.5MB in the end (delta: 20.3MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * Boogie Preprocessor took 47.34ms. Allocated memory is still 213.9MB. Free memory was 124.5MB in the beginning and 122.2MB in the end (delta: 2.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 358.15ms. Allocated memory is still 213.9MB. Free memory was 122.0MB in the beginning and 172.3MB in the end (delta: -50.3MB). Peak memory consumption was 11.8MB. Max. memory is 16.1GB. * Referee took 1062.69ms. Allocated memory was 213.9MB in the beginning and 285.2MB in the end (delta: 71.3MB). Free memory was 172.3MB in the beginning and 137.9MB in the end (delta: 34.4MB). Peak memory consumption was 119.1MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-09-21 19:06:37,332 INFO L552 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/referee/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 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/loop-invgen/SpamAssassin-loop.i.v+cfa-reducer.c ../results/cpachecker-verification-files/SV-COMP24_unreach-call/SpamAssassin-loop.i.v+cfa-reducer.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 19:06:39,838 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-21 19:06:39,905 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Bitvector.epf [2024-09-21 19:06:39,912 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-21 19:06:39,912 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-21 19:06:39,936 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-21 19:06:39,938 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-21 19:06:39,939 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-21 19:06:39,939 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-21 19:06:39,940 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-21 19:06:39,940 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-21 19:06:39,940 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-21 19:06:39,941 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-21 19:06:39,943 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-21 19:06:39,944 INFO L153 SettingsManager]: * Use SBE=true [2024-09-21 19:06:39,944 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-21 19:06:39,944 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-21 19:06:39,944 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-21 19:06:39,945 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-21 19:06:39,945 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-21 19:06:39,945 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-21 19:06:39,947 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-21 19:06:39,947 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-21 19:06:39,947 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-09-21 19:06:39,947 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-09-21 19:06:39,948 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-21 19:06:39,948 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-09-21 19:06:39,950 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-21 19:06:39,950 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-21 19:06:39,951 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-21 19:06:39,951 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-21 19:06:39,951 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-21 19:06:39,951 INFO L153 SettingsManager]: * Future-live optimization=false [2024-09-21 19:06:39,952 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-21 19:06:39,952 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-21 19:06:39,952 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-21 19:06:39,952 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-21 19:06:39,953 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-21 19:06:39,953 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-21 19:06:39,953 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-09-21 19:06:39,954 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-09-21 19:06:39,957 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-21 19:06:39,957 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-21 19:06:39,957 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-21 19:06:39,957 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-21 19:06:39,958 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2024-09-21 19:06:39,958 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None [2024-09-21 19:06:40,227 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-21 19:06:40,260 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-21 19:06:40,262 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-21 19:06:40,263 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-21 19:06:40,264 INFO L274 PluginConnector]: CDTParser initialized [2024-09-21 19:06:40,265 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/loop-invgen/SpamAssassin-loop.i.v+cfa-reducer.c [2024-09-21 19:06:41,741 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-21 19:06:41,948 INFO L384 CDTParser]: Found 1 translation units. [2024-09-21 19:06:41,948 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-invgen/SpamAssassin-loop.i.v+cfa-reducer.c [2024-09-21 19:06:41,959 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/aa864b20b/bc34c4d7533640efa124607db3a9c674/FLAG4eb52b352 [2024-09-21 19:06:41,975 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/aa864b20b/bc34c4d7533640efa124607db3a9c674 [2024-09-21 19:06:41,977 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-21 19:06:41,978 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-21 19:06:41,979 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/cpachecker-verification-files/SV-COMP24_unreach-call/SpamAssassin-loop.i.v+cfa-reducer.yml/output/witness-2.1.yml [2024-09-21 19:06:42,026 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-21 19:06:42,028 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-09-21 19:06:42,031 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-21 19:06:42,032 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-21 19:06:42,037 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-21 19:06:42,037 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 07:06:41" (1/2) ... [2024-09-21 19:06:42,041 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@26acdc41 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 07:06:42, skipping insertion in model container [2024-09-21 19:06:42,041 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 07:06:41" (1/2) ... [2024-09-21 19:06:42,042 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@2207334f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 07:06:42, skipping insertion in model container [2024-09-21 19:06:42,042 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 07:06:42" (2/2) ... [2024-09-21 19:06:42,043 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@26acdc41 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 21.09 07:06:42, skipping insertion in model container [2024-09-21 19:06:42,043 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 07:06:42" (2/2) ... [2024-09-21 19:06:42,050 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-21 19:06:42,052 INFO L1541 ArrayList]: Function contract at [L13]: requires 1, ensures (!(1) || (1)) [2024-09-21 19:06:42,077 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-21 19:06:42,226 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/loop-invgen/SpamAssassin-loop.i.v+cfa-reducer.c[1066,1079] [2024-09-21 19:06:42,232 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/loop-invgen/SpamAssassin-loop.i.v+cfa-reducer.c[1266,1279] [2024-09-21 19:06:42,238 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/loop-invgen/SpamAssassin-loop.i.v+cfa-reducer.c[1613,1626] [2024-09-21 19:06:42,243 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/loop-invgen/SpamAssassin-loop.i.v+cfa-reducer.c[1813,1826] [2024-09-21 19:06:42,247 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/loop-invgen/SpamAssassin-loop.i.v+cfa-reducer.c[2024,2037] [2024-09-21 19:06:42,249 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/loop-invgen/SpamAssassin-loop.i.v+cfa-reducer.c[2224,2237] [2024-09-21 19:06:42,251 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/loop-invgen/SpamAssassin-loop.i.v+cfa-reducer.c[2629,2642] [2024-09-21 19:06:42,253 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/loop-invgen/SpamAssassin-loop.i.v+cfa-reducer.c[2829,2842] [2024-09-21 19:06:42,254 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/loop-invgen/SpamAssassin-loop.i.v+cfa-reducer.c[3040,3053] [2024-09-21 19:06:42,255 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/loop-invgen/SpamAssassin-loop.i.v+cfa-reducer.c[3243,3256] [2024-09-21 19:06:42,257 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/loop-invgen/SpamAssassin-loop.i.v+cfa-reducer.c[3583,3596] [2024-09-21 19:06:42,258 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/loop-invgen/SpamAssassin-loop.i.v+cfa-reducer.c[3786,3799] [2024-09-21 19:06:42,259 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/loop-invgen/SpamAssassin-loop.i.v+cfa-reducer.c[4000,4013] [2024-09-21 19:06:42,261 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/loop-invgen/SpamAssassin-loop.i.v+cfa-reducer.c[4203,4216] [2024-09-21 19:06:42,263 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/loop-invgen/SpamAssassin-loop.i.v+cfa-reducer.c[4547,4560] [2024-09-21 19:06:42,268 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/loop-invgen/SpamAssassin-loop.i.v+cfa-reducer.c[4750,4763] [2024-09-21 19:06:42,270 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-21 19:06:42,285 INFO L200 MainTranslator]: Completed pre-run Start Parsing Global Start Parsing Global [2024-09-21 19:06:42,342 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/loop-invgen/SpamAssassin-loop.i.v+cfa-reducer.c[1066,1079] [2024-09-21 19:06:42,346 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/loop-invgen/SpamAssassin-loop.i.v+cfa-reducer.c[1266,1279] [2024-09-21 19:06:42,347 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/loop-invgen/SpamAssassin-loop.i.v+cfa-reducer.c[1613,1626] [2024-09-21 19:06:42,349 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/loop-invgen/SpamAssassin-loop.i.v+cfa-reducer.c[1813,1826] [2024-09-21 19:06:42,350 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/loop-invgen/SpamAssassin-loop.i.v+cfa-reducer.c[2024,2037] [2024-09-21 19:06:42,352 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/loop-invgen/SpamAssassin-loop.i.v+cfa-reducer.c[2224,2237] [2024-09-21 19:06:42,353 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/loop-invgen/SpamAssassin-loop.i.v+cfa-reducer.c[2629,2642] [2024-09-21 19:06:42,354 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/loop-invgen/SpamAssassin-loop.i.v+cfa-reducer.c[2829,2842] [2024-09-21 19:06:42,355 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/loop-invgen/SpamAssassin-loop.i.v+cfa-reducer.c[3040,3053] [2024-09-21 19:06:42,356 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/loop-invgen/SpamAssassin-loop.i.v+cfa-reducer.c[3243,3256] [2024-09-21 19:06:42,359 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/loop-invgen/SpamAssassin-loop.i.v+cfa-reducer.c[3583,3596] [2024-09-21 19:06:42,360 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/loop-invgen/SpamAssassin-loop.i.v+cfa-reducer.c[3786,3799] [2024-09-21 19:06:42,361 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/loop-invgen/SpamAssassin-loop.i.v+cfa-reducer.c[4000,4013] [2024-09-21 19:06:42,363 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/loop-invgen/SpamAssassin-loop.i.v+cfa-reducer.c[4203,4216] [2024-09-21 19:06:42,369 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/loop-invgen/SpamAssassin-loop.i.v+cfa-reducer.c[4547,4560] [2024-09-21 19:06:42,374 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/loop-invgen/SpamAssassin-loop.i.v+cfa-reducer.c[4750,4763] [2024-09-21 19:06:42,377 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-21 19:06:42,399 INFO L204 MainTranslator]: Completed translation [2024-09-21 19:06:42,402 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 21.09 07:06:42 WrapperNode [2024-09-21 19:06:42,402 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-21 19:06:42,402 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-21 19:06:42,402 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-21 19:06:42,402 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-21 19:06:42,411 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 07:06:42" (1/1) ... [2024-09-21 19:06:42,412 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 07:06:42" (1/1) ... [2024-09-21 19:06:42,418 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 07:06:42" (1/1) ... [2024-09-21 19:06:42,424 WARN L109 MemorySlicer]: Omit memory slicing because it failed with the following exception: Unsupported: Procedure main is not part of the Ultimate memory model but has specification other that is not a ModifiesSpecification [2024-09-21 19:06:42,424 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 07:06:42" (1/1) ... [2024-09-21 19:06:42,424 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 07:06:42" (1/1) ... [2024-09-21 19:06:42,429 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 07:06:42" (1/1) ... [2024-09-21 19:06:42,431 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 07:06:42" (1/1) ... [2024-09-21 19:06:42,432 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 07:06:42" (1/1) ... [2024-09-21 19:06:42,433 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 07:06:42" (1/1) ... [2024-09-21 19:06:42,435 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-21 19:06:42,436 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-21 19:06:42,436 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-21 19:06:42,436 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-21 19:06:42,437 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 07:06:42" (1/1) ... [2024-09-21 19:06:42,444 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-21 19:06:42,453 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-09-21 19:06:42,472 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 19:06:42,481 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 19:06:42,514 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-09-21 19:06:42,514 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-21 19:06:42,514 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-09-21 19:06:42,514 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-09-21 19:06:42,514 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-09-21 19:06:42,514 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-09-21 19:06:42,515 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-09-21 19:06:42,515 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-09-21 19:06:42,515 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-21 19:06:42,515 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-09-21 19:06:42,515 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-09-21 19:06:42,515 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2024-09-21 19:06:42,515 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-09-21 19:06:42,515 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-09-21 19:06:42,515 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-09-21 19:06:42,515 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-21 19:06:42,516 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2024-09-21 19:06:42,516 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2024-09-21 19:06:42,516 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-09-21 19:06:42,606 INFO L242 CfgBuilder]: Building ICFG [2024-09-21 19:06:42,608 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-21 19:06:42,648 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-21 19:06:42,798 INFO L291 CfgBuilder]: Performing block encoding [2024-09-21 19:06:42,822 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-21 19:06:42,823 INFO L318 CfgBuilder]: Removed 1 assume(true) statements. [2024-09-21 19:06:42,823 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 07:06:42 BoogieIcfgContainer [2024-09-21 19:06:42,823 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-21 19:06:42,824 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-09-21 19:06:42,824 INFO L270 PluginConnector]: Initializing Referee... [2024-09-21 19:06:42,824 INFO L274 PluginConnector]: Referee initialized [2024-09-21 19:06:42,825 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 21.09 07:06:41" (1/4) ... [2024-09-21 19:06:42,825 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@cadfbb4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 21.09 07:06:42, skipping insertion in model container [2024-09-21 19:06:42,825 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 07:06:42" (2/4) ... [2024-09-21 19:06:42,825 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@cadfbb4 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 21.09 07:06:42, skipping insertion in model container [2024-09-21 19:06:42,825 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 07:06:42" (3/4) ... [2024-09-21 19:06:42,826 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@cadfbb4 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 21.09 07:06:42, skipping insertion in model container [2024-09-21 19:06:42,826 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 07:06:42" (4/4) ... [2024-09-21 19:06:42,827 INFO L79 RefereeObserver]: Analyzing ICFG SpamAssassin-loop.i.v+cfa-reducer.c [2024-09-21 19:06:42,829 INFO L113 InvariantChecker]: Found 0 loops. [2024-09-21 19:06:42,830 INFO L373 InvariantChecker]: Will check inductivity from ENTRY mainENTRY to ERROR_LOC mainErr13ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 30 edges. [2024-09-21 19:06:42,830 INFO L373 InvariantChecker]: Will check inductivity from ENTRY mainENTRY to ERROR_LOC mainErr3ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 30 edges. [2024-09-21 19:06:42,830 INFO L373 InvariantChecker]: Will check inductivity from ENTRY mainENTRY to ERROR_LOC mainErr2ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 30 edges. [2024-09-21 19:06:42,831 INFO L373 InvariantChecker]: Will check inductivity from ENTRY mainENTRY to ERROR_LOC mainErr9ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 30 edges. [2024-09-21 19:06:42,831 INFO L373 InvariantChecker]: Will check inductivity from ENTRY mainENTRY to ERROR_LOC mainErr12ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 30 edges. [2024-09-21 19:06:42,831 INFO L373 InvariantChecker]: Will check inductivity from ENTRY mainENTRY to ERROR_LOC mainErr5ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 30 edges. [2024-09-21 19:06:42,831 INFO L373 InvariantChecker]: Will check inductivity from ENTRY mainENTRY to ERROR_LOC mainErr7ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 30 edges. [2024-09-21 19:06:42,831 INFO L373 InvariantChecker]: Will check inductivity from ENTRY mainENTRY to ERROR_LOC mainErr1ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 30 edges. [2024-09-21 19:06:42,831 INFO L373 InvariantChecker]: Will check inductivity from ENTRY mainENTRY to ERROR_LOC mainErr6ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 30 edges. [2024-09-21 19:06:42,832 INFO L373 InvariantChecker]: Will check inductivity from ENTRY mainENTRY to ERROR_LOC mainErr11ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 30 edges. [2024-09-21 19:06:42,832 INFO L373 InvariantChecker]: Will check inductivity from ENTRY mainENTRY to ERROR_LOC mainErr14ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 30 edges. [2024-09-21 19:06:42,832 INFO L373 InvariantChecker]: Will check inductivity from ENTRY mainENTRY to ERROR_LOC mainErr8ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 30 edges. [2024-09-21 19:06:42,832 INFO L373 InvariantChecker]: Will check inductivity from ENTRY mainENTRY to ERROR_LOC mainErr0ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 30 edges. [2024-09-21 19:06:42,832 INFO L373 InvariantChecker]: Will check inductivity from ENTRY mainENTRY to ERROR_LOC mainErr15ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 30 edges. [2024-09-21 19:06:42,833 INFO L373 InvariantChecker]: Will check inductivity from ENTRY mainENTRY to ERROR_LOC mainErr16ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 63 edges. [2024-09-21 19:06:42,833 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 19:06:42,833 INFO L373 InvariantChecker]: Will check inductivity from ENTRY mainENTRY to ERROR_LOC mainErr4ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 30 edges. [2024-09-21 19:06:42,833 INFO L373 InvariantChecker]: Will check inductivity from ENTRY mainENTRY to ERROR_LOC mainErr10ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 30 edges. [2024-09-21 19:06:42,833 INFO L131 InvariantChecker]: Will check 18 loop-free subgraphs from procedure entry to error location [2024-09-21 19:06:42,921 INFO L314 BlockEncoder]: Initial Icfg 26 locations, 30 edges [2024-09-21 19:06:42,922 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 19:06:42,922 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 19:06:42,925 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 19:06:42,927 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 19:06:42,932 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:06:43,153 INFO L101 BaseMinimizeStates]: Removed 58 edges and 23 locations by large block encoding [2024-09-21 19:06:43,158 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:06:43,158 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 19:06:43,158 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 19:06:43,159 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 19:06:43,207 INFO L314 BlockEncoder]: Encoded RCFG 3 locations, 3 edges [2024-09-21 19:06:43,234 INFO L314 BlockEncoder]: Initial Icfg 26 locations, 30 edges [2024-09-21 19:06:43,237 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 19:06:43,237 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 19:06:43,237 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 19:06:43,237 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 19:06:43,237 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:06:43,353 INFO L101 BaseMinimizeStates]: Removed 59 edges and 23 locations by large block encoding [2024-09-21 19:06:43,353 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:06:43,357 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 19:06:43,358 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 19:06:43,358 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 19:06:43,388 INFO L314 BlockEncoder]: Encoded RCFG 3 locations, 3 edges [2024-09-21 19:06:43,408 INFO L314 BlockEncoder]: Initial Icfg 26 locations, 30 edges [2024-09-21 19:06:43,408 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 19:06:43,408 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 19:06:43,408 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 19:06:43,409 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 19:06:43,409 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:06:43,467 INFO L101 BaseMinimizeStates]: Removed 60 edges and 23 locations by large block encoding [2024-09-21 19:06:43,468 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:06:43,468 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 19:06:43,468 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 19:06:43,468 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 19:06:43,481 INFO L314 BlockEncoder]: Encoded RCFG 3 locations, 3 edges [2024-09-21 19:06:43,500 INFO L314 BlockEncoder]: Initial Icfg 26 locations, 30 edges [2024-09-21 19:06:43,501 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 19:06:43,501 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 19:06:43,501 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 19:06:43,502 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 19:06:43,502 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:06:43,549 INFO L101 BaseMinimizeStates]: Removed 58 edges and 23 locations by large block encoding [2024-09-21 19:06:43,550 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:06:43,550 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 19:06:43,550 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 19:06:43,550 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 19:06:43,561 INFO L314 BlockEncoder]: Encoded RCFG 3 locations, 3 edges [2024-09-21 19:06:43,569 INFO L314 BlockEncoder]: Initial Icfg 26 locations, 30 edges [2024-09-21 19:06:43,570 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 19:06:43,571 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 19:06:43,571 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 19:06:43,571 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 19:06:43,572 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:06:43,622 INFO L101 BaseMinimizeStates]: Removed 58 edges and 23 locations by large block encoding [2024-09-21 19:06:43,623 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:06:43,623 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 19:06:43,623 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 19:06:43,624 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 19:06:43,634 INFO L314 BlockEncoder]: Encoded RCFG 3 locations, 3 edges [2024-09-21 19:06:43,643 INFO L314 BlockEncoder]: Initial Icfg 26 locations, 30 edges [2024-09-21 19:06:43,643 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 19:06:43,643 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 19:06:43,646 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 19:06:43,646 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 19:06:43,647 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:06:43,705 INFO L101 BaseMinimizeStates]: Removed 59 edges and 23 locations by large block encoding [2024-09-21 19:06:43,705 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:06:43,705 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 19:06:43,705 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 19:06:43,706 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 19:06:43,718 INFO L314 BlockEncoder]: Encoded RCFG 3 locations, 3 edges [2024-09-21 19:06:43,728 INFO L314 BlockEncoder]: Initial Icfg 26 locations, 30 edges [2024-09-21 19:06:43,728 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 19:06:43,728 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 19:06:43,728 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 19:06:43,728 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 19:06:43,729 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:06:43,792 INFO L101 BaseMinimizeStates]: Removed 58 edges and 23 locations by large block encoding [2024-09-21 19:06:43,792 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:06:43,792 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 19:06:43,792 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 19:06:43,792 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 19:06:43,801 INFO L314 BlockEncoder]: Encoded RCFG 3 locations, 3 edges [2024-09-21 19:06:43,829 INFO L314 BlockEncoder]: Initial Icfg 26 locations, 30 edges [2024-09-21 19:06:43,829 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 19:06:43,829 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 19:06:43,829 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 19:06:43,829 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 19:06:43,830 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:06:43,874 INFO L101 BaseMinimizeStates]: Removed 58 edges and 23 locations by large block encoding [2024-09-21 19:06:43,874 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:06:43,874 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 19:06:43,875 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 19:06:43,875 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 19:06:43,883 INFO L314 BlockEncoder]: Encoded RCFG 3 locations, 3 edges [2024-09-21 19:06:43,892 INFO L314 BlockEncoder]: Initial Icfg 26 locations, 30 edges [2024-09-21 19:06:43,892 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 19:06:43,892 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 19:06:43,892 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 19:06:43,892 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 19:06:43,892 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:06:43,929 INFO L101 BaseMinimizeStates]: Removed 58 edges and 23 locations by large block encoding [2024-09-21 19:06:43,930 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:06:43,930 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 19:06:43,930 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 19:06:43,930 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 19:06:43,956 INFO L314 BlockEncoder]: Encoded RCFG 3 locations, 3 edges [2024-09-21 19:06:43,964 INFO L314 BlockEncoder]: Initial Icfg 26 locations, 30 edges [2024-09-21 19:06:43,964 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 19:06:43,964 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 19:06:43,964 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 19:06:43,964 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 19:06:43,964 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:06:43,995 INFO L101 BaseMinimizeStates]: Removed 58 edges and 23 locations by large block encoding [2024-09-21 19:06:43,995 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:06:43,995 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 19:06:43,995 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 19:06:43,995 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 19:06:44,003 INFO L314 BlockEncoder]: Encoded RCFG 3 locations, 3 edges [2024-09-21 19:06:44,009 INFO L314 BlockEncoder]: Initial Icfg 26 locations, 30 edges [2024-09-21 19:06:44,009 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 19:06:44,009 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 19:06:44,009 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 19:06:44,009 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 19:06:44,010 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:06:44,057 INFO L101 BaseMinimizeStates]: Removed 58 edges and 23 locations by large block encoding [2024-09-21 19:06:44,057 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:06:44,057 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 19:06:44,058 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 19:06:44,058 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 19:06:44,065 INFO L314 BlockEncoder]: Encoded RCFG 3 locations, 3 edges [2024-09-21 19:06:44,070 INFO L314 BlockEncoder]: Initial Icfg 26 locations, 30 edges [2024-09-21 19:06:44,070 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 19:06:44,070 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 19:06:44,071 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 19:06:44,071 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 19:06:44,071 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:06:44,098 INFO L101 BaseMinimizeStates]: Removed 58 edges and 23 locations by large block encoding [2024-09-21 19:06:44,098 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:06:44,098 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 19:06:44,098 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 19:06:44,098 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 19:06:44,106 INFO L314 BlockEncoder]: Encoded RCFG 3 locations, 3 edges [2024-09-21 19:06:44,111 INFO L314 BlockEncoder]: Initial Icfg 26 locations, 30 edges [2024-09-21 19:06:44,111 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 19:06:44,111 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 19:06:44,111 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 19:06:44,111 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 19:06:44,111 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:06:44,166 INFO L101 BaseMinimizeStates]: Removed 58 edges and 23 locations by large block encoding [2024-09-21 19:06:44,166 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:06:44,166 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 19:06:44,167 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 19:06:44,167 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 19:06:44,174 INFO L314 BlockEncoder]: Encoded RCFG 3 locations, 3 edges [2024-09-21 19:06:44,179 INFO L314 BlockEncoder]: Initial Icfg 26 locations, 30 edges [2024-09-21 19:06:44,180 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 19:06:44,180 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 19:06:44,180 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 19:06:44,180 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 19:06:44,180 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:06:44,210 INFO L101 BaseMinimizeStates]: Removed 58 edges and 23 locations by large block encoding [2024-09-21 19:06:44,210 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:06:44,210 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 19:06:44,210 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 19:06:44,210 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 19:06:44,218 INFO L314 BlockEncoder]: Encoded RCFG 3 locations, 3 edges [2024-09-21 19:06:44,223 INFO L314 BlockEncoder]: Initial Icfg 42 locations, 63 edges [2024-09-21 19:06:44,224 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 19:06:44,224 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 19:06:44,224 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 19:06:44,224 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 19:06:44,224 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:06:44,296 INFO L101 BaseMinimizeStates]: Removed 156 edges and 39 locations by large block encoding [2024-09-21 19:06:44,297 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:06:44,297 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 19:06:44,297 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 19:06:44,297 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 19:06:44,326 INFO L314 BlockEncoder]: Encoded RCFG 3 locations, 4 edges [2024-09-21 19:06:44,327 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.referee has thrown an exception: java.lang.AssertionError: Either subgraph not acyclic or there is a bug at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AcyclicSubgraphMerger.(AcyclicSubgraphMerger.java:169) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.InvariantChecker.(InvariantChecker.java:145) at de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeStarter.(RefereeStarter.java:56) at de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver.finish(RefereeObserver.java:80) 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 19:06:44,333 INFO L158 Benchmark]: Toolchain (without parser) took 2304.34ms. Allocated memory was 88.1MB in the beginning and 249.6MB in the end (delta: 161.5MB). Free memory was 56.5MB in the beginning and 182.6MB in the end (delta: -126.1MB). Peak memory consumption was 71.0MB. Max. memory is 16.1GB. [2024-09-21 19:06:44,333 INFO L158 Benchmark]: CDTParser took 0.16ms. Allocated memory is still 58.7MB. Free memory was 39.6MB in the beginning and 39.6MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. [2024-09-21 19:06:44,333 INFO L158 Benchmark]: Witness Parser took 0.64ms. Allocated memory is still 88.1MB. Free memory is still 58.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-21 19:06:44,334 INFO L158 Benchmark]: CACSL2BoogieTranslator took 370.92ms. Allocated memory is still 88.1MB. Free memory was 56.2MB in the beginning and 61.3MB in the end (delta: -5.1MB). Peak memory consumption was 16.2MB. Max. memory is 16.1GB. [2024-09-21 19:06:44,334 INFO L158 Benchmark]: Boogie Preprocessor took 32.98ms. Allocated memory is still 88.1MB. Free memory was 61.3MB in the beginning and 58.8MB in the end (delta: 2.5MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2024-09-21 19:06:44,335 INFO L158 Benchmark]: RCFGBuilder took 387.46ms. Allocated memory is still 88.1MB. Free memory was 58.8MB in the beginning and 40.8MB in the end (delta: 18.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-09-21 19:06:44,335 INFO L158 Benchmark]: Referee took 1507.70ms. Allocated memory was 88.1MB in the beginning and 249.6MB in the end (delta: 161.5MB). Free memory was 40.8MB in the beginning and 182.6MB in the end (delta: -141.9MB). Peak memory consumption was 54.8MB. Max. memory is 16.1GB. [2024-09-21 19:06:44,337 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.referee: - ExceptionOrErrorResult: AssertionError: Either subgraph not acyclic or there is a bug de.uni_freiburg.informatik.ultimate.plugins.generator.referee: AssertionError: Either subgraph not acyclic or there is a bug: de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AcyclicSubgraphMerger.(AcyclicSubgraphMerger.java:169) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16ms. Allocated memory is still 58.7MB. Free memory was 39.6MB in the beginning and 39.6MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. * Witness Parser took 0.64ms. Allocated memory is still 88.1MB. Free memory is still 58.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 370.92ms. Allocated memory is still 88.1MB. Free memory was 56.2MB in the beginning and 61.3MB in the end (delta: -5.1MB). Peak memory consumption was 16.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 32.98ms. Allocated memory is still 88.1MB. Free memory was 61.3MB in the beginning and 58.8MB in the end (delta: 2.5MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * RCFGBuilder took 387.46ms. Allocated memory is still 88.1MB. Free memory was 58.8MB in the beginning and 40.8MB in the end (delta: 18.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Referee took 1507.70ms. Allocated memory was 88.1MB in the beginning and 249.6MB in the end (delta: 161.5MB). Free memory was 40.8MB in the beginning and 182.6MB in the end (delta: -141.9MB). Peak memory consumption was 54.8MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-09-21 19:06:44,364 INFO L552 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/referee/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: AssertionError: Either subgraph not acyclic or there is a bug