./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/loop-lit/cggmp2005_variant.i --full-output --witness-type correctness_witness --validate ../results/cpachecker-verification-files/SV-COMP24_unreach-call/cggmp2005_variant.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-lit/cggmp2005_variant.i ../results/cpachecker-verification-files/SV-COMP24_unreach-call/cggmp2005_variant.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 19:06:52,928 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-21 19:06:52,982 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Default.epf [2024-09-21 19:06:52,988 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-21 19:06:52,988 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-21 19:06:53,008 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-21 19:06:53,010 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-21 19:06:53,010 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-21 19:06:53,011 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-21 19:06:53,011 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-21 19:06:53,011 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-21 19:06:53,012 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-21 19:06:53,012 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-21 19:06:53,012 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-21 19:06:53,014 INFO L153 SettingsManager]: * Use SBE=true [2024-09-21 19:06:53,014 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-21 19:06:53,014 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-21 19:06:53,014 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-21 19:06:53,014 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-09-21 19:06:53,014 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-21 19:06:53,015 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-21 19:06:53,017 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-21 19:06:53,017 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-21 19:06:53,018 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-21 19:06:53,018 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-21 19:06:53,018 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-21 19:06:53,018 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-21 19:06:53,018 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-21 19:06:53,018 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-21 19:06:53,019 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-21 19:06:53,019 INFO L153 SettingsManager]: * Future-live optimization=false [2024-09-21 19:06:53,019 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-21 19:06:53,019 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-21 19:06:53,019 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-21 19:06:53,019 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-21 19:06:53,019 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-21 19:06:53,019 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-21 19:06:53,020 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-09-21 19:06:53,020 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-09-21 19:06:53,020 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-21 19:06:53,020 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-21 19:06:53,021 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-21 19:06:53,021 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-21 19:06:53,021 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None [2024-09-21 19:06:53,241 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-21 19:06:53,261 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-21 19:06:53,263 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-21 19:06:53,264 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-21 19:06:53,265 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-21 19:06:53,266 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/cpachecker-verification-files/SV-COMP24_unreach-call/cggmp2005_variant.yml/output/witness-2.1.yml [2024-09-21 19:06:53,310 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-21 19:06:53,310 INFO L274 PluginConnector]: CDTParser initialized [2024-09-21 19:06:53,312 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/loop-lit/cggmp2005_variant.i [2024-09-21 19:06:54,499 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-21 19:06:54,691 INFO L384 CDTParser]: Found 1 translation units. [2024-09-21 19:06:54,692 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-lit/cggmp2005_variant.i [2024-09-21 19:06:54,699 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/79bc6888c/dbce93798bad47f689428ef4a239c599/FLAG8998ac250 [2024-09-21 19:06:55,070 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/79bc6888c/dbce93798bad47f689428ef4a239c599 [2024-09-21 19:06:55,070 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-21 19:06:55,071 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-09-21 19:06:55,072 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-21 19:06:55,072 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-21 19:06:55,076 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-21 19:06:55,076 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 07:06:53" (1/2) ... [2024-09-21 19:06:55,078 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2c110b0 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 21.09 07:06:55, skipping insertion in model container [2024-09-21 19:06:55,078 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 07:06:53" (1/2) ... [2024-09-21 19:06:55,080 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@6f4f18c4 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 21.09 07:06:55, skipping insertion in model container [2024-09-21 19:06:55,080 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 07:06:55" (2/2) ... [2024-09-21 19:06:55,080 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2c110b0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 07:06:55, skipping insertion in model container [2024-09-21 19:06:55,080 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 07:06:55" (2/2) ... [2024-09-21 19:06:55,089 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-21 19:06:55,090 INFO L1541 ArrayList]: Loop invariant at [L30-L34] 1 [2024-09-21 19:06:55,092 INFO L1541 ArrayList]: Function contract at [L12]: requires 1, ensures 1 [2024-09-21 19:06:55,092 INFO L1541 ArrayList]: Function contract at [L24]: requires 1, ensures (!(1) || (1)) [2024-09-21 19:06:55,092 INFO L1541 ArrayList]: Function contract at [L17]: requires 1, ensures (!(1) || (1)) [2024-09-21 19:06:55,105 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-21 19:06:55,225 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-lit/cggmp2005_variant.i[895,908] [2024-09-21 19:06:55,242 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-21 19:06:55,248 INFO L200 MainTranslator]: Completed pre-run Start Parsing Global Start Parsing Global Start Parsing Global Start Parsing Global [2024-09-21 19:06:55,280 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-lit/cggmp2005_variant.i[895,908] Start Parsing Global Start Parsing Global Start Parsing Local [2024-09-21 19:06:55,286 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-21 19:06:55,299 INFO L204 MainTranslator]: Completed translation [2024-09-21 19:06:55,299 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 07:06:55 WrapperNode [2024-09-21 19:06:55,299 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-21 19:06:55,300 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-21 19:06:55,300 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-21 19:06:55,300 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-21 19:06:55,308 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 07:06:55" (1/1) ... [2024-09-21 19:06:55,309 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 07:06:55" (1/1) ... [2024-09-21 19:06:55,314 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 07:06:55" (1/1) ... [2024-09-21 19:06:55,324 WARN L109 MemorySlicer]: Omit memory slicing because it failed with the following exception: Unsupported: Procedure reach_error is not part of the Ultimate memory model but has specification other that is not a ModifiesSpecification [2024-09-21 19:06:55,324 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 07:06:55" (1/1) ... [2024-09-21 19:06:55,324 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 07:06:55" (1/1) ... [2024-09-21 19:06:55,326 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 07:06:55" (1/1) ... [2024-09-21 19:06:55,329 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 07:06:55" (1/1) ... [2024-09-21 19:06:55,333 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 07:06:55" (1/1) ... [2024-09-21 19:06:55,334 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 07:06:55" (1/1) ... [2024-09-21 19:06:55,335 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-21 19:06:55,336 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-21 19:06:55,336 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-21 19:06:55,336 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-21 19:06:55,336 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 07:06:55" (1/1) ... [2024-09-21 19:06:55,340 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-21 19:06:55,347 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-09-21 19:06:55,364 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 19:06:55,366 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 19:06:55,397 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-09-21 19:06:55,397 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-21 19:06:55,397 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-09-21 19:06:55,397 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-09-21 19:06:55,397 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-09-21 19:06:55,397 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-09-21 19:06:55,397 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-09-21 19:06:55,397 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-09-21 19:06:55,397 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_perror_fail [2024-09-21 19:06:55,398 INFO L130 BoogieDeclarations]: Found specification of procedure __assert [2024-09-21 19:06:55,398 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-09-21 19:06:55,398 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-21 19:06:55,398 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-09-21 19:06:55,398 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-09-21 19:06:55,398 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2024-09-21 19:06:55,398 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-09-21 19:06:55,398 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-09-21 19:06:55,399 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-09-21 19:06:55,399 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-21 19:06:55,399 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-09-21 19:06:55,399 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-09-21 19:06:55,399 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-09-21 19:06:55,454 INFO L242 CfgBuilder]: Building ICFG [2024-09-21 19:06:55,456 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-21 19:06:55,460 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-21 19:06:55,498 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-21 19:06:55,529 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-21 19:06:55,536 INFO L291 CfgBuilder]: Performing block encoding [2024-09-21 19:06:55,563 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-21 19:06:55,563 INFO L318 CfgBuilder]: Removed 2 assume(true) statements. [2024-09-21 19:06:55,564 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 07:06:55 BoogieIcfgContainer [2024-09-21 19:06:55,564 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-21 19:06:55,564 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-09-21 19:06:55,564 INFO L270 PluginConnector]: Initializing Referee... [2024-09-21 19:06:55,565 INFO L274 PluginConnector]: Referee initialized [2024-09-21 19:06:55,565 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 07:06:53" (1/4) ... [2024-09-21 19:06:55,566 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@7eed1f68 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 21.09 07:06:55, skipping insertion in model container [2024-09-21 19:06:55,566 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 21.09 07:06:55" (2/4) ... [2024-09-21 19:06:55,567 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@7eed1f68 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 21.09 07:06:55, skipping insertion in model container [2024-09-21 19:06:55,567 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 07:06:55" (3/4) ... [2024-09-21 19:06:55,567 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@7eed1f68 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 21.09 07:06:55, skipping insertion in model container [2024-09-21 19:06:55,567 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 07:06:55" (4/4) ... [2024-09-21 19:06:55,568 INFO L79 RefereeObserver]: Analyzing ICFG cggmp2005_variant.i [2024-09-21 19:06:55,573 INFO L113 InvariantChecker]: Found 1 loops. [2024-09-21 19:06:55,574 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L30-3 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 3 edges. [2024-09-21 19:06:55,574 INFO L373 InvariantChecker]: Will check inductivity from ENTRY mainENTRY to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 3 edges. [2024-09-21 19:06:55,574 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L30-3 to ERROR_LOC mainErr1REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 4 edges. [2024-09-21 19:06:55,574 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L30-3 to ERROR_LOC mainErr2ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 6 edges. [2024-09-21 19:06:55,574 INFO L373 InvariantChecker]: Will check inductivity from ENTRY mainENTRY to ERROR_LOC mainErr2ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 3 edges. [2024-09-21 19:06:55,575 INFO L373 InvariantChecker]: Will check inductivity from ENTRY reach_errorENTRY to ERROR_LOC reach_errorErr0ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 4 edges. [2024-09-21 19:06:55,575 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 19:06:55,575 INFO L373 InvariantChecker]: Will check inductivity from ENTRY __VERIFIER_assertENTRY to ERROR_LOC __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 5 edges. [2024-09-21 19:06:55,575 INFO L373 InvariantChecker]: Will check inductivity from ENTRY __VERIFIER_assertENTRY to ERROR_LOC __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 3 edges. [2024-09-21 19:06:55,575 INFO L131 InvariantChecker]: Will check 1 loop-free subgraphs from procedure entry to loop head, 5 loop-free subgraphs from procedure entry to error location, 1 loop-free subgraphs from loop head to loop head, 2 loop-free subgraphs from loop head to error location [2024-09-21 19:06:55,611 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-21 19:06:55,611 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 19:06:55,612 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 19:06:55,612 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 19:06:55,613 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 19:06:55,614 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:06:55,622 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-21 19:06:55,624 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:06:55,624 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 19:06:55,624 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 19:06:55,625 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 19:06:55,625 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 19:06:55,637 INFO L520 InvariantChecker]: The annotation(s) from loop head L30-3 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-21 19:06:55,646 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-21 19:06:55,646 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 19:06:55,646 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 19:06:55,647 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 19:06:55,647 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 19:06:55,647 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:06:55,654 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-21 19:06:55,654 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:06:55,654 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 19:06:55,654 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 19:06:55,654 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 19:06:55,654 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 19:06:55,659 INFO L520 InvariantChecker]: The annotation(s) from entry mainENTRY to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-21 19:06:55,666 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 4 edges [2024-09-21 19:06:55,666 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 19:06:55,666 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 19:06:55,666 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 19:06:55,666 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 19:06:55,666 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:06:55,669 INFO L101 BaseMinimizeStates]: Removed 6 edges and 2 locations by large block encoding [2024-09-21 19:06:55,671 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:06:55,671 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 19:06:55,671 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 19:06:55,671 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 19:06:55,673 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 19:06:55,675 INFO L520 InvariantChecker]: The annotation(s) from loop head L30-3 to error location mainErr1REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-21 19:06:55,680 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 6 edges [2024-09-21 19:06:55,681 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 19:06:55,681 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 19:06:55,681 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 19:06:55,681 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 19:06:55,681 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:06:55,686 INFO L101 BaseMinimizeStates]: Removed 12 edges and 4 locations by large block encoding [2024-09-21 19:06:55,686 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:06:55,686 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 19:06:55,687 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 19:06:55,687 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 19:06:55,687 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 19:06:55,688 INFO L520 InvariantChecker]: The annotation(s) from loop head L30-3 to error location mainErr2ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-21 19:06:55,694 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-21 19:06:55,695 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 19:06:55,695 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 19:06:55,695 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 19:06:55,695 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 19:06:55,695 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:06:55,697 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-21 19:06:55,697 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:06:55,697 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 19:06:55,697 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 19:06:55,697 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 19:06:55,697 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 19:06:55,698 INFO L520 InvariantChecker]: The annotation(s) from entry mainENTRY to error location mainErr2ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-21 19:06:55,702 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 4 edges [2024-09-21 19:06:55,702 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 19:06:55,702 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 19:06:55,703 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 19:06:55,703 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 19:06:55,703 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:06:55,704 INFO L101 BaseMinimizeStates]: Removed 6 edges and 2 locations by large block encoding [2024-09-21 19:06:55,704 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:06:55,704 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 19:06:55,704 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 19:06:55,704 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 19:06:55,704 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 19:06:55,705 INFO L520 InvariantChecker]: The annotation(s) from entry reach_errorENTRY to error location reach_errorErr0ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-21 19:06:55,709 INFO L314 BlockEncoder]: Initial Icfg 3 locations, 2 edges [2024-09-21 19:06:55,711 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 19:06:55,711 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 19:06:55,711 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 19:06:55,711 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 19:06:55,711 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:06:55,712 INFO L101 BaseMinimizeStates]: Removed 2 edges and 1 locations by large block encoding [2024-09-21 19:06:55,712 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:06:55,712 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 19:06:55,712 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 19:06:55,712 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 19:06:55,712 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 19:06:55,715 INFO L520 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to error location ULTIMATE.startErr0REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-21 19:06:55,718 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 5 edges [2024-09-21 19:06:55,719 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 19:06:55,719 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 19:06:55,719 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 19:06:55,719 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 19:06:55,719 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:06:55,725 INFO L101 BaseMinimizeStates]: Removed 8 edges and 3 locations by large block encoding [2024-09-21 19:06:55,725 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:06:55,725 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 19:06:55,725 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 19:06:55,725 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 19:06:55,725 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 19:06:55,729 INFO L520 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-21 19:06:55,737 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-21 19:06:55,737 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 19:06:55,737 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 19:06:55,737 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 19:06:55,737 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 19:06:55,737 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:06:55,738 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-21 19:06:55,738 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:06:55,739 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 19:06:55,739 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 19:06:55,739 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 19:06:55,739 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 19:06:55,750 INFO L58 RefereeStarter]: Annotation is not a valid proof of correctness. [2024-09-21 19:06:55,751 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@7eed1f68 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee CFG 21.09 07:06:55, skipping insertion in model container [2024-09-21 19:06:55,751 INFO L131 PluginConnector]: ------------------------ END Referee---------------------------- [2024-09-21 19:06:55,753 INFO L158 Benchmark]: Toolchain (without parser) took 680.96ms. Allocated memory is still 163.6MB. Free memory was 135.1MB in the beginning and 91.1MB in the end (delta: 43.9MB). Peak memory consumption was 44.0MB. Max. memory is 16.1GB. [2024-09-21 19:06:55,754 INFO L158 Benchmark]: Witness Parser took 0.14ms. Allocated memory is still 163.6MB. Free memory is still 139.0MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-21 19:06:55,754 INFO L158 Benchmark]: CDTParser took 0.78ms. Allocated memory is still 163.6MB. Free memory is still 137.0MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-21 19:06:55,755 INFO L158 Benchmark]: CACSL2BoogieTranslator took 227.54ms. Allocated memory is still 163.6MB. Free memory was 135.1MB in the beginning and 121.2MB in the end (delta: 13.9MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-09-21 19:06:55,756 INFO L158 Benchmark]: Boogie Preprocessor took 35.11ms. Allocated memory is still 163.6MB. Free memory was 121.2MB in the beginning and 119.7MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-09-21 19:06:55,756 INFO L158 Benchmark]: RCFGBuilder took 228.24ms. Allocated memory is still 163.6MB. Free memory was 119.7MB in the beginning and 107.9MB in the end (delta: 11.8MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2024-09-21 19:06:55,757 INFO L158 Benchmark]: Referee took 187.21ms. Allocated memory is still 163.6MB. Free memory was 107.9MB in the beginning and 91.1MB in the end (delta: 16.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-09-21 19:06:55,759 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.referee: - AnnotationCheckResult: Annotation is not a valid proof of correctness. Annotation is not a valid proof of correctness. Annotation is not valid for all loop-free paths from entry of procedure __VERIFIER_assert to check that a call to reach_error is unreachable at line 19. One counterexample starts in \old(cond)=0 and ends in \old(cond)=0, cond=0. Annotation is valid for all loop-free paths from loop head at line 30 to check that procedure precondition always holds at line 30. Annotation is valid for all loop-free paths from loop head at line 30 to loop head at line 30. Annotation is valid for all loop-free paths from entry of procedure ULTIMATE.start to check that procedure precondition always holds at line -1. Annotation is valid for all loop-free paths from entry of procedure reach_error to exit of procedure reach_error. Annotation is valid for all loop-free paths from loop head at line 30 to exit of procedure main. Annotation is valid for all loop-free paths from entry of procedure __VERIFIER_assert to exit of procedure __VERIFIER_assert. Annotation is valid for all loop-free paths from entry of procedure main to exit of procedure main. Annotation is valid for all loop-free paths from entry of procedure main to loop head at line 30. * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Witness Parser took 0.14ms. Allocated memory is still 163.6MB. Free memory is still 139.0MB. There was no memory consumed. Max. memory is 16.1GB. * CDTParser took 0.78ms. Allocated memory is still 163.6MB. Free memory is still 137.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 227.54ms. Allocated memory is still 163.6MB. Free memory was 135.1MB in the beginning and 121.2MB in the end (delta: 13.9MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Preprocessor took 35.11ms. Allocated memory is still 163.6MB. Free memory was 121.2MB in the beginning and 119.7MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 228.24ms. Allocated memory is still 163.6MB. Free memory was 119.7MB in the beginning and 107.9MB in the end (delta: 11.8MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Referee took 187.21ms. Allocated memory is still 163.6MB. Free memory was 107.9MB in the beginning and 91.1MB in the end (delta: 16.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be incorrect! [2024-09-21 19:06:55,785 INFO L540 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/referee/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE