./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/nla-digbench-scaling/divbin_unwindbound1.i --full-output --witness-type correctness_witness --validate ../results/automizer-verification-files/SV-COMP24_unreach-call/divbin_unwindbound1.yml/witness-2.1.yml --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 04d6fb36 Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/certificate-witnesses-artifact/referee/data/config -Xmx15G -Xms4m -jar /storage/repos/certificate-witnesses-artifact/referee/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/certificate-witnesses-artifact/referee/data -tc /storage/repos/certificate-witnesses-artifact/referee/config/RefereeReachWitnessValidation.xml -i ../sv-benchmarks/c/nla-digbench-scaling/divbin_unwindbound1.i ../results/automizer-verification-files/SV-COMP24_unreach-call/divbin_unwindbound1.yml/witness-2.1.yml -s /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Default.epf --cacsl2boogietranslator.entry.function main --traceabstraction.positions.where.we.compute.the.hoare.annotation None --- Real Ultimate output --- This is Ultimate 0.2.4-tmp.dk.referee-eval-04d6fb3-m [2024-09-15 20:06:57,918 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-15 20:06:57,990 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Default.epf [2024-09-15 20:06:57,996 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-15 20:06:57,997 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-15 20:06:58,013 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-15 20:06:58,013 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-15 20:06:58,013 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-15 20:06:58,014 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-15 20:06:58,014 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-15 20:06:58,014 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-15 20:06:58,014 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-15 20:06:58,015 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-15 20:06:58,015 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-15 20:06:58,019 INFO L153 SettingsManager]: * Use SBE=true [2024-09-15 20:06:58,019 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-15 20:06:58,020 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-15 20:06:58,020 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-15 20:06:58,020 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-09-15 20:06:58,020 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-15 20:06:58,020 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-15 20:06:58,027 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-15 20:06:58,027 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-15 20:06:58,027 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-15 20:06:58,027 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-15 20:06:58,028 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-15 20:06:58,028 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-15 20:06:58,028 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-15 20:06:58,028 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-15 20:06:58,028 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-15 20:06:58,028 INFO L153 SettingsManager]: * Future-live optimization=false [2024-09-15 20:06:58,028 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-15 20:06:58,029 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-15 20:06:58,029 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-15 20:06:58,029 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-15 20:06:58,029 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-15 20:06:58,029 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-15 20:06:58,029 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-09-15 20:06:58,029 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-09-15 20:06:58,029 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-15 20:06:58,030 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-15 20:06:58,031 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-15 20:06:58,031 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-15 20:06:58,031 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None [2024-09-15 20:06:58,229 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-15 20:06:58,247 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-15 20:06:58,249 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-15 20:06:58,250 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-15 20:06:58,251 INFO L274 PluginConnector]: CDTParser initialized [2024-09-15 20:06:58,252 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/nla-digbench-scaling/divbin_unwindbound1.i [2024-09-15 20:06:59,471 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-15 20:06:59,638 INFO L384 CDTParser]: Found 1 translation units. [2024-09-15 20:06:59,640 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench-scaling/divbin_unwindbound1.i [2024-09-15 20:06:59,646 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/f1eb2ea5d/4a36701cedb647b39b9bc2cc34c88b96/FLAG6aa97b30b [2024-09-15 20:07:00,056 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/f1eb2ea5d/4a36701cedb647b39b9bc2cc34c88b96 [2024-09-15 20:07:00,061 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-15 20:07:00,062 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-15 20:07:00,063 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/automizer-verification-files/SV-COMP24_unreach-call/divbin_unwindbound1.yml/witness-2.1.yml [2024-09-15 20:07:00,106 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-15 20:07:00,107 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-09-15 20:07:00,108 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-15 20:07:00,108 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-15 20:07:00,113 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-15 20:07:00,114 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.09 08:07:00" (1/2) ... [2024-09-15 20:07:00,114 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@486ff164 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 08:07:00, skipping insertion in model container [2024-09-15 20:07:00,115 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.09 08:07:00" (1/2) ... [2024-09-15 20:07:00,116 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@1e49f3fb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 08:07:00, skipping insertion in model container [2024-09-15 20:07:00,116 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 15.09 08:07:00" (2/2) ... [2024-09-15 20:07:00,116 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@486ff164 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 15.09 08:07:00, skipping insertion in model container [2024-09-15 20:07:00,116 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 15.09 08:07:00" (2/2) ... [2024-09-15 20:07:00,123 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-15 20:07:00,124 INFO L1541 ArrayList]: Loop invariant at [L36-L39] ((\old(counter) == 0) && ((((A == r) && (counter == 0)) && (q == 0)) || (((A == r) && (1 <= counter)) && (q == 0)))) [2024-09-15 20:07:00,124 INFO L1541 ArrayList]: Loop invariant at [L40-L49] ((((A == r) && (1 <= counter)) && (\old(counter) == 0)) && (q == 0)) [2024-09-15 20:07:00,124 INFO L1541 ArrayList]: Function contract at [L26]: requires (counter == 0), ensures (\old(counter) == 0) [2024-09-15 20:07:00,124 INFO L1541 ArrayList]: Function contract at [L15]: requires (counter == 0), ensures (counter == 0) [2024-09-15 20:07:00,124 INFO L1541 ArrayList]: Function contract at [L18]: requires (1 <= \old(cond)), ensures (1 <= \old(cond)) [2024-09-15 20:07:00,143 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-15 20:07:00,261 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/nla-digbench-scaling/divbin_unwindbound1.i[950,963] [2024-09-15 20:07:00,275 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-15 20:07:00,282 INFO L200 MainTranslator]: Completed pre-run Start Parsing Global Start Parsing Global Start Parsing Global Start Parsing Global [2024-09-15 20:07:00,308 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench-scaling/divbin_unwindbound1.i[950,963] Start Parsing Global Start Parsing Global Start Parsing Local Start Parsing Local [2024-09-15 20:07:00,316 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-15 20:07:00,328 INFO L204 MainTranslator]: Completed translation [2024-09-15 20:07:00,328 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 15.09 08:07:00 WrapperNode [2024-09-15 20:07:00,328 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-15 20:07:00,329 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-15 20:07:00,329 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-15 20:07:00,329 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-15 20:07:00,338 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 15.09 08:07:00" (1/1) ... [2024-09-15 20:07:00,338 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 15.09 08:07:00" (1/1) ... [2024-09-15 20:07:00,343 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 15.09 08:07:00" (1/1) ... [2024-09-15 20:07:00,352 WARN L109 MemorySlicer]: Omit memory slicing because it failed with the following exception: Unsupported: Procedure assume_abort_if_not is not part of the Ultimate memory model but has specification other that is not a ModifiesSpecification [2024-09-15 20:07:00,352 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 15.09 08:07:00" (1/1) ... [2024-09-15 20:07:00,352 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 15.09 08:07:00" (1/1) ... [2024-09-15 20:07:00,356 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 15.09 08:07:00" (1/1) ... [2024-09-15 20:07:00,362 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 15.09 08:07:00" (1/1) ... [2024-09-15 20:07:00,363 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 15.09 08:07:00" (1/1) ... [2024-09-15 20:07:00,365 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 15.09 08:07:00" (1/1) ... [2024-09-15 20:07:00,366 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-15 20:07:00,367 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-15 20:07:00,367 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-15 20:07:00,367 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-15 20:07:00,368 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 15.09 08:07:00" (1/1) ... [2024-09-15 20:07:00,372 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-15 20:07:00,379 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-09-15 20:07:00,393 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) [2024-09-15 20:07:00,395 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 [2024-09-15 20:07:00,432 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-09-15 20:07:00,433 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-15 20:07:00,434 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-09-15 20:07:00,434 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-09-15 20:07:00,434 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-09-15 20:07:00,434 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-09-15 20:07:00,434 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-09-15 20:07:00,434 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-09-15 20:07:00,435 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_perror_fail [2024-09-15 20:07:00,435 INFO L130 BoogieDeclarations]: Found specification of procedure __assert [2024-09-15 20:07:00,435 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-09-15 20:07:00,435 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-15 20:07:00,435 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2024-09-15 20:07:00,435 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-09-15 20:07:00,436 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-09-15 20:07:00,436 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-09-15 20:07:00,436 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-09-15 20:07:00,436 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-09-15 20:07:00,436 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-15 20:07:00,436 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-09-15 20:07:00,437 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-09-15 20:07:00,437 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-09-15 20:07:00,507 INFO L242 CfgBuilder]: Building ICFG [2024-09-15 20:07:00,509 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-15 20:07:00,530 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-15 20:07:00,552 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-15 20:07:00,655 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-15 20:07:00,665 INFO L291 CfgBuilder]: Performing block encoding [2024-09-15 20:07:00,689 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-15 20:07:00,690 INFO L318 CfgBuilder]: Removed 2 assume(true) statements. [2024-09-15 20:07:00,690 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.09 08:07:00 BoogieIcfgContainer [2024-09-15 20:07:00,690 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-15 20:07:00,691 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-09-15 20:07:00,691 INFO L270 PluginConnector]: Initializing Referee... [2024-09-15 20:07:00,692 INFO L274 PluginConnector]: Referee initialized [2024-09-15 20:07:00,692 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 15.09 08:07:00" (1/4) ... [2024-09-15 20:07:00,692 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@6ba5f8ce and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 15.09 08:07:00, skipping insertion in model container [2024-09-15 20:07:00,692 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 15.09 08:07:00" (2/4) ... [2024-09-15 20:07:00,693 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@6ba5f8ce and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 15.09 08:07:00, skipping insertion in model container [2024-09-15 20:07:00,693 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 15.09 08:07:00" (3/4) ... [2024-09-15 20:07:00,693 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@6ba5f8ce and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 15.09 08:07:00, skipping insertion in model container [2024-09-15 20:07:00,693 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.09 08:07:00" (4/4) ... [2024-09-15 20:07:00,695 INFO L79 RefereeObserver]: Analyzing ICFG divbin_unwindbound1.i [2024-09-15 20:07:00,701 INFO L112 InvariantChecker]: Found 2 loops. [2024-09-15 20:07:00,702 INFO L367 InvariantChecker]: Will check inductivity from ENTRY assume_abort_if_notENTRY to ERROR_LOC assume_abort_if_notErr0ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 4 edges. [2024-09-15 20:07:00,703 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L45-2 to ERROR_LOC mainErr5REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 8 edges. [2024-09-15 20:07:00,703 INFO L367 InvariantChecker]: Will check inductivity from ENTRY mainENTRY to ERROR_LOC mainErr0REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 2 edges. [2024-09-15 20:07:00,703 INFO L367 InvariantChecker]: Will check inductivity from ENTRY mainENTRY to ERROR_LOC mainErr1REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 3 edges. [2024-09-15 20:07:00,704 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L45-2 to LOOP_INVARIANT_ERROR_LOC mainErr3ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 8 edges. [2024-09-15 20:07:00,704 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L36-4 to LOOP_INVARIANT_ERROR_LOC mainErr3ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 7 edges. [2024-09-15 20:07:00,704 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L45-2 to ERROR_LOC mainErr4REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 4 edges. [2024-09-15 20:07:00,704 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L45-2 to ERROR_LOC mainErr6ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 10 edges. [2024-09-15 20:07:00,704 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC ULTIMATE.startErr0REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 3 edges. [2024-09-15 20:07:00,705 INFO L367 InvariantChecker]: Will check inductivity from ENTRY mainENTRY to LOOP_INVARIANT_ERROR_LOC mainErr2ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 5 edges. [2024-09-15 20:07:00,705 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L36-4 to LOOP_INVARIANT_ERROR_LOC mainErr2ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 5 edges. [2024-09-15 20:07:00,705 INFO L367 InvariantChecker]: Will check inductivity from ENTRY __VERIFIER_assertENTRY to ERROR_LOC __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 5 edges. [2024-09-15 20:07:00,705 INFO L367 InvariantChecker]: Will check inductivity from ENTRY __VERIFIER_assertENTRY to ERROR_LOC __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 3 edges. [2024-09-15 20:07:00,705 INFO L130 InvariantChecker]: Will check 3 loop-free subgraphs from loop head to error location, 6 loop-free subgraphs from procedure entry to error location, 1 loop-free subgraphs from procedure entry to loop head, 3 loop-free subgraphs from loop head to loop head [2024-09-15 20:07:00,752 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 4 edges [2024-09-15 20:07:00,754 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-15 20:07:00,755 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-15 20:07:00,755 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-15 20:07:00,756 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-15 20:07:00,758 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-15 20:07:00,770 INFO L101 BaseMinimizeStates]: Removed 6 edges and 2 locations by large block encoding [2024-09-15 20:07:00,771 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-15 20:07:00,771 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-15 20:07:00,771 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-15 20:07:00,772 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-15 20:07:00,774 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-15 20:07:00,791 INFO L514 InvariantChecker]: The annotation(s) from entry assume_abort_if_notENTRY to error location assume_abort_if_notErr0ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-15 20:07:00,815 INFO L314 BlockEncoder]: Initial Icfg 7 locations, 8 edges [2024-09-15 20:07:00,815 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-15 20:07:00,815 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-15 20:07:00,815 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-15 20:07:00,815 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-15 20:07:00,815 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-15 20:07:00,844 INFO L101 BaseMinimizeStates]: Removed 14 edges and 5 locations by large block encoding [2024-09-15 20:07:00,846 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-15 20:07:00,846 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-15 20:07:00,846 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-15 20:07:00,846 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-15 20:07:00,850 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-15 20:07:04,862 INFO L510 InvariantChecker]: unknown inductivity: todo good error message [2024-09-15 20:07:04,881 INFO L314 BlockEncoder]: Initial Icfg 3 locations, 2 edges [2024-09-15 20:07:04,881 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-15 20:07:04,881 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-15 20:07:04,881 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-15 20:07:04,881 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-15 20:07:04,881 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-15 20:07:04,882 INFO L101 BaseMinimizeStates]: Removed 2 edges and 1 locations by large block encoding [2024-09-15 20:07:04,882 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-15 20:07:04,882 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-15 20:07:04,882 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-15 20:07:04,882 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-15 20:07:04,883 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-15 20:07:04,886 INFO L514 InvariantChecker]: The annotation(s) from entry mainENTRY to error location mainErr0REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-15 20:07:04,895 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-15 20:07:04,896 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-15 20:07:04,896 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-15 20:07:04,896 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-15 20:07:04,896 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-15 20:07:04,896 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-15 20:07:04,897 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-15 20:07:04,897 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-15 20:07:04,897 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-15 20:07:04,898 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-15 20:07:04,898 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-15 20:07:04,898 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-15 20:07:04,902 INFO L514 InvariantChecker]: The annotation(s) from entry mainENTRY to error location mainErr1REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-15 20:07:04,912 INFO L314 BlockEncoder]: Initial Icfg 8 locations, 8 edges [2024-09-15 20:07:04,912 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-15 20:07:04,912 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-15 20:07:04,912 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-15 20:07:04,913 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-15 20:07:04,913 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-15 20:07:04,938 INFO L101 BaseMinimizeStates]: Removed 14 edges and 6 locations by large block encoding [2024-09-15 20:07:04,938 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-15 20:07:04,938 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-15 20:07:04,939 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-15 20:07:04,939 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-15 20:07:04,944 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-15 20:07:04,952 INFO L514 InvariantChecker]: The annotation(s) from loop head L45-2 to loop head mainErr3ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-15 20:07:04,966 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 7 edges [2024-09-15 20:07:04,966 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-15 20:07:04,966 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-15 20:07:04,967 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-15 20:07:04,967 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-15 20:07:04,967 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-15 20:07:04,973 INFO L101 BaseMinimizeStates]: Removed 12 edges and 4 locations by large block encoding [2024-09-15 20:07:04,974 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-15 20:07:04,974 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-15 20:07:04,974 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-15 20:07:04,974 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-15 20:07:04,976 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-15 20:07:04,978 INFO L514 InvariantChecker]: The annotation(s) from loop head L36-4 to loop head mainErr3ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-15 20:07:04,985 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 4 edges [2024-09-15 20:07:04,985 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-15 20:07:04,985 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-15 20:07:04,985 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-15 20:07:04,985 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-15 20:07:04,985 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-15 20:07:04,991 INFO L101 BaseMinimizeStates]: Removed 6 edges and 3 locations by large block encoding [2024-09-15 20:07:04,991 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-15 20:07:04,991 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-15 20:07:04,992 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-15 20:07:04,992 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-15 20:07:04,992 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-15 20:07:04,994 INFO L514 InvariantChecker]: The annotation(s) from loop head L45-2 to error location mainErr4REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-15 20:07:05,003 INFO L314 BlockEncoder]: Initial Icfg 9 locations, 10 edges [2024-09-15 20:07:05,004 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-15 20:07:05,004 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-15 20:07:05,004 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-15 20:07:05,005 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-15 20:07:05,005 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-15 20:07:05,019 INFO L101 BaseMinimizeStates]: Removed 22 edges and 7 locations by large block encoding [2024-09-15 20:07:05,020 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-15 20:07:05,020 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-15 20:07:05,021 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-15 20:07:05,021 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-15 20:07:05,021 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-15 20:07:05,023 INFO L514 InvariantChecker]: The annotation(s) from loop head L45-2 to error location mainErr6ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-15 20:07:05,031 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-15 20:07:05,031 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-15 20:07:05,031 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-15 20:07:05,032 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-15 20:07:05,032 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-15 20:07:05,032 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-15 20:07:05,033 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-15 20:07:05,033 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-15 20:07:05,033 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-15 20:07:05,033 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-15 20:07:05,033 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-15 20:07:05,033 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-15 20:07:05,035 INFO L514 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to error location ULTIMATE.startErr0REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-15 20:07:05,043 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 5 edges [2024-09-15 20:07:05,044 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-15 20:07:05,044 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-15 20:07:05,044 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-15 20:07:05,044 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-15 20:07:05,044 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-15 20:07:05,046 INFO L101 BaseMinimizeStates]: Removed 8 edges and 4 locations by large block encoding [2024-09-15 20:07:05,046 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-15 20:07:05,046 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-15 20:07:05,047 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-15 20:07:05,047 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-15 20:07:05,047 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-15 20:07:05,048 INFO L514 InvariantChecker]: The annotation(s) from entry mainENTRY to loop head mainErr2ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-15 20:07:05,055 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 5 edges [2024-09-15 20:07:05,056 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-15 20:07:05,056 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-15 20:07:05,056 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-15 20:07:05,056 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-15 20:07:05,056 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-15 20:07:05,062 INFO L101 BaseMinimizeStates]: Removed 8 edges and 4 locations by large block encoding [2024-09-15 20:07:05,062 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-15 20:07:05,062 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-15 20:07:05,062 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-15 20:07:05,063 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-15 20:07:05,063 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-15 20:07:05,065 INFO L514 InvariantChecker]: The annotation(s) from loop head L36-4 to loop head mainErr2ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-15 20:07:05,073 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 5 edges [2024-09-15 20:07:05,073 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-15 20:07:05,073 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-15 20:07:05,073 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-15 20:07:05,074 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-15 20:07:05,074 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-15 20:07:05,075 INFO L101 BaseMinimizeStates]: Removed 8 edges and 3 locations by large block encoding [2024-09-15 20:07:05,076 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-15 20:07:05,076 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-15 20:07:05,076 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-15 20:07:05,076 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-15 20:07:05,077 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-15 20:07:05,078 INFO L514 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-15 20:07:05,085 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-15 20:07:05,085 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-15 20:07:05,085 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-15 20:07:05,085 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-15 20:07:05,085 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-15 20:07:05,086 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-15 20:07:05,086 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-15 20:07:05,087 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-15 20:07:05,087 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-15 20:07:05,087 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-15 20:07:05,087 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-15 20:07:05,087 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-15 20:07:05,088 INFO L514 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION is inductive. [2024-09-15 20:07:05,091 INFO L58 RefereeStarter]: Insufficient resources for checking whether annotation is a valid proof of correctness. [2024-09-15 20:07:05,091 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@6ba5f8ce and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CFG 15.09 08:07:05, skipping insertion in model container [2024-09-15 20:07:05,091 INFO L131 PluginConnector]: ------------------------ END Referee---------------------------- [2024-09-15 20:07:05,096 INFO L158 Benchmark]: Toolchain (without parser) took 4985.38ms. Allocated memory is still 167.8MB. Free memory was 134.6MB in the beginning and 43.3MB in the end (delta: 91.2MB). Peak memory consumption was 90.2MB. Max. memory is 16.1GB. [2024-09-15 20:07:05,096 INFO L158 Benchmark]: CDTParser took 1.15ms. Allocated memory is still 121.6MB. Free memory is still 83.0MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-15 20:07:05,097 INFO L158 Benchmark]: Witness Parser took 0.71ms. Allocated memory is still 167.8MB. Free memory is still 136.6MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-15 20:07:05,097 INFO L158 Benchmark]: CACSL2BoogieTranslator took 220.02ms. Allocated memory is still 167.8MB. Free memory was 134.6MB in the beginning and 120.9MB in the end (delta: 13.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-09-15 20:07:05,097 INFO L158 Benchmark]: Boogie Preprocessor took 37.29ms. Allocated memory is still 167.8MB. Free memory was 120.9MB in the beginning and 118.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-09-15 20:07:05,098 INFO L158 Benchmark]: RCFGBuilder took 323.75ms. Allocated memory is still 167.8MB. Free memory was 118.8MB in the beginning and 104.2MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-09-15 20:07:05,098 INFO L158 Benchmark]: Referee took 4400.74ms. Allocated memory is still 167.8MB. Free memory was 104.2MB in the beginning and 43.3MB in the end (delta: 60.8MB). Peak memory consumption was 60.8MB. Max. memory is 16.1GB. [2024-09-15 20:07:05,100 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.referee: - AnnotationCheckResult: Insufficient resources for checking whether annotation is a valid proof of correctness. Insufficient resources for checking whether annotation is a valid proof of correctness. Insufficient resources for checking whether annotation is valid for all loop-free paths from loop head at line 40 to check that procedure precondition always holds at line 40. Annotation is valid for all loop-free paths from entry of procedure main to check that procedure precondition always holds at line 31. Annotation is valid for all loop-free paths from loop head at line 40 to exit of procedure main. Annotation is valid for all loop-free paths from entry of procedure main to check that procedure precondition always holds at line 31. Annotation is valid for all loop-free paths from loop head at line 40 to loop head at line 40. Annotation is valid for all loop-free paths from entry of procedure main to loop head at line 36. Annotation is valid for all loop-free paths from entry of procedure ULTIMATE.start to check that procedure precondition always holds at line -1. Annotation is valid for all loop-free paths from loop head at line 36 to loop head at line 36. 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 assume_abort_if_not to exit of procedure assume_abort_if_not. Annotation is valid for all loop-free paths from loop head at line 40 to check that procedure precondition always holds at line 41. Annotation is valid for all loop-free paths from entry of procedure __VERIFIER_assert to check that a call to reach_error is unreachable at line 20. Annotation is valid for all loop-free paths from loop head at line 36 to loop head at line 40. * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.15ms. Allocated memory is still 121.6MB. Free memory is still 83.0MB. There was no memory consumed. Max. memory is 16.1GB. * Witness Parser took 0.71ms. Allocated memory is still 167.8MB. Free memory is still 136.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 220.02ms. Allocated memory is still 167.8MB. Free memory was 134.6MB in the beginning and 120.9MB in the end (delta: 13.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Preprocessor took 37.29ms. Allocated memory is still 167.8MB. Free memory was 120.9MB in the beginning and 118.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 323.75ms. Allocated memory is still 167.8MB. Free memory was 118.8MB in the beginning and 104.2MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Referee took 4400.74ms. Allocated memory is still 167.8MB. Free memory was 104.2MB in the beginning and 43.3MB in the end (delta: 60.8MB). Peak memory consumption was 60.8MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-09-15 20:07:05,131 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/current/bin/java -Dosgi.configuration.area=/storage/repos/certificate-witnesses-artifact/referee/data/config -Xmx15G -Xms4m -jar /storage/repos/certificate-witnesses-artifact/referee/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/certificate-witnesses-artifact/referee/data -tc /storage/repos/certificate-witnesses-artifact/referee/config/RefereeReachWitnessValidation.xml -i ../sv-benchmarks/c/nla-digbench-scaling/divbin_unwindbound1.i ../results/automizer-verification-files/SV-COMP24_unreach-call/divbin_unwindbound1.yml/witness-2.1.yml -s /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Bitvector.epf --cacsl2boogietranslator.entry.function main --traceabstraction.positions.where.we.compute.the.hoare.annotation None --- Real Ultimate output --- This is Ultimate 0.2.4-tmp.dk.referee-eval-04d6fb3-m [2024-09-15 20:07:06,930 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-15 20:07:06,996 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Bitvector.epf [2024-09-15 20:07:07,001 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-15 20:07:07,002 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-15 20:07:07,027 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-15 20:07:07,028 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-15 20:07:07,028 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-15 20:07:07,029 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-15 20:07:07,030 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-15 20:07:07,031 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-15 20:07:07,031 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-15 20:07:07,031 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-15 20:07:07,034 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-15 20:07:07,034 INFO L153 SettingsManager]: * Use SBE=true [2024-09-15 20:07:07,034 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-15 20:07:07,035 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-15 20:07:07,035 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-15 20:07:07,035 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-15 20:07:07,035 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-15 20:07:07,035 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-15 20:07:07,036 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-15 20:07:07,036 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-15 20:07:07,036 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-09-15 20:07:07,037 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-09-15 20:07:07,037 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-15 20:07:07,037 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-09-15 20:07:07,037 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-15 20:07:07,038 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-15 20:07:07,038 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-15 20:07:07,038 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-15 20:07:07,038 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-15 20:07:07,039 INFO L153 SettingsManager]: * Future-live optimization=false [2024-09-15 20:07:07,039 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-15 20:07:07,039 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-15 20:07:07,039 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-15 20:07:07,040 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-15 20:07:07,040 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-15 20:07:07,040 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-15 20:07:07,040 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-09-15 20:07:07,040 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-09-15 20:07:07,042 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-15 20:07:07,042 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-15 20:07:07,042 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-15 20:07:07,043 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-15 20:07:07,043 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2024-09-15 20:07:07,043 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None [2024-09-15 20:07:07,293 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-15 20:07:07,313 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-15 20:07:07,315 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-15 20:07:07,316 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-15 20:07:07,317 INFO L274 PluginConnector]: CDTParser initialized [2024-09-15 20:07:07,318 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/nla-digbench-scaling/divbin_unwindbound1.i [2024-09-15 20:07:08,573 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-15 20:07:08,748 INFO L384 CDTParser]: Found 1 translation units. [2024-09-15 20:07:08,749 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench-scaling/divbin_unwindbound1.i [2024-09-15 20:07:08,757 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/8c4a3ccf8/181b783c619e499692f820ee7ad4053d/FLAG3eddbfd91 [2024-09-15 20:07:08,773 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/8c4a3ccf8/181b783c619e499692f820ee7ad4053d [2024-09-15 20:07:08,776 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-15 20:07:08,777 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-15 20:07:08,778 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/automizer-verification-files/SV-COMP24_unreach-call/divbin_unwindbound1.yml/witness-2.1.yml [2024-09-15 20:07:08,829 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-15 20:07:08,830 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-09-15 20:07:08,832 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-15 20:07:08,832 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-15 20:07:08,836 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-15 20:07:08,837 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.09 08:07:08" (1/2) ... [2024-09-15 20:07:08,839 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@725ea0d9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 08:07:08, skipping insertion in model container [2024-09-15 20:07:08,839 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.09 08:07:08" (1/2) ... [2024-09-15 20:07:08,840 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@5391826e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 08:07:08, skipping insertion in model container [2024-09-15 20:07:08,840 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 15.09 08:07:08" (2/2) ... [2024-09-15 20:07:08,840 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@725ea0d9 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 15.09 08:07:08, skipping insertion in model container [2024-09-15 20:07:08,841 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 15.09 08:07:08" (2/2) ... [2024-09-15 20:07:08,854 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-15 20:07:08,855 INFO L1541 ArrayList]: Loop invariant at [L36-L39] ((\old(counter) == 0) && ((((A == r) && (counter == 0)) && (q == 0)) || (((A == r) && (1 <= counter)) && (q == 0)))) [2024-09-15 20:07:08,855 INFO L1541 ArrayList]: Loop invariant at [L40-L49] ((((A == r) && (1 <= counter)) && (\old(counter) == 0)) && (q == 0)) [2024-09-15 20:07:08,855 INFO L1541 ArrayList]: Function contract at [L15]: requires (counter == 0), ensures (counter == 0) [2024-09-15 20:07:08,856 INFO L1541 ArrayList]: Function contract at [L26]: requires (counter == 0), ensures (\old(counter) == 0) [2024-09-15 20:07:08,856 INFO L1541 ArrayList]: Function contract at [L18]: requires (1 <= \old(cond)), ensures (1 <= \old(cond)) [2024-09-15 20:07:08,871 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-15 20:07:09,001 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench-scaling/divbin_unwindbound1.i[950,963] [2024-09-15 20:07:09,028 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-15 20:07:09,039 INFO L200 MainTranslator]: Completed pre-run Start Parsing Global Start Parsing Global Start Parsing Global Start Parsing Global [2024-09-15 20:07:09,072 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench-scaling/divbin_unwindbound1.i[950,963] Start Parsing Global Start Parsing Global Start Parsing Local Start Parsing Local [2024-09-15 20:07:09,086 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-15 20:07:09,103 INFO L204 MainTranslator]: Completed translation [2024-09-15 20:07:09,103 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 15.09 08:07:09 WrapperNode [2024-09-15 20:07:09,104 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-15 20:07:09,105 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-15 20:07:09,105 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-15 20:07:09,105 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-15 20:07:09,115 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 15.09 08:07:09" (1/1) ... [2024-09-15 20:07:09,116 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 15.09 08:07:09" (1/1) ... [2024-09-15 20:07:09,123 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 15.09 08:07:09" (1/1) ... [2024-09-15 20:07:09,135 WARN L109 MemorySlicer]: Omit memory slicing because it failed with the following exception: Unsupported: Procedure assume_abort_if_not is not part of the Ultimate memory model but has specification other that is not a ModifiesSpecification [2024-09-15 20:07:09,135 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 15.09 08:07:09" (1/1) ... [2024-09-15 20:07:09,135 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 15.09 08:07:09" (1/1) ... [2024-09-15 20:07:09,141 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 15.09 08:07:09" (1/1) ... [2024-09-15 20:07:09,148 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 15.09 08:07:09" (1/1) ... [2024-09-15 20:07:09,149 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 15.09 08:07:09" (1/1) ... [2024-09-15 20:07:09,150 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 15.09 08:07:09" (1/1) ... [2024-09-15 20:07:09,156 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-15 20:07:09,157 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-15 20:07:09,158 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-15 20:07:09,158 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-15 20:07:09,160 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 15.09 08:07:09" (1/1) ... [2024-09-15 20:07:09,165 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-15 20:07:09,174 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-09-15 20:07:09,188 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) [2024-09-15 20:07:09,190 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 [2024-09-15 20:07:09,233 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-09-15 20:07:09,233 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-15 20:07:09,234 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-09-15 20:07:09,234 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-09-15 20:07:09,234 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-09-15 20:07:09,234 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-09-15 20:07:09,234 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-09-15 20:07:09,234 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-09-15 20:07:09,234 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_perror_fail [2024-09-15 20:07:09,234 INFO L130 BoogieDeclarations]: Found specification of procedure __assert [2024-09-15 20:07:09,235 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-09-15 20:07:09,235 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-15 20:07:09,235 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2024-09-15 20:07:09,236 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-09-15 20:07:09,236 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-09-15 20:07:09,236 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-09-15 20:07:09,236 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-09-15 20:07:09,236 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-09-15 20:07:09,236 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-15 20:07:09,237 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2024-09-15 20:07:09,238 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2024-09-15 20:07:09,238 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-09-15 20:07:09,318 INFO L242 CfgBuilder]: Building ICFG [2024-09-15 20:07:09,320 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-15 20:07:09,341 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-15 20:07:09,368 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-15 20:07:09,538 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-15 20:07:09,557 INFO L291 CfgBuilder]: Performing block encoding [2024-09-15 20:07:09,576 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-15 20:07:09,576 INFO L318 CfgBuilder]: Removed 2 assume(true) statements. [2024-09-15 20:07:09,576 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.09 08:07:09 BoogieIcfgContainer [2024-09-15 20:07:09,576 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-15 20:07:09,577 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-09-15 20:07:09,577 INFO L270 PluginConnector]: Initializing Referee... [2024-09-15 20:07:09,578 INFO L274 PluginConnector]: Referee initialized [2024-09-15 20:07:09,578 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 15.09 08:07:08" (1/4) ... [2024-09-15 20:07:09,578 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@1c36afd1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 15.09 08:07:09, skipping insertion in model container [2024-09-15 20:07:09,578 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 15.09 08:07:08" (2/4) ... [2024-09-15 20:07:09,579 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@1c36afd1 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 15.09 08:07:09, skipping insertion in model container [2024-09-15 20:07:09,579 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 15.09 08:07:09" (3/4) ... [2024-09-15 20:07:09,579 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@1c36afd1 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 15.09 08:07:09, skipping insertion in model container [2024-09-15 20:07:09,579 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.09 08:07:09" (4/4) ... [2024-09-15 20:07:09,580 INFO L79 RefereeObserver]: Analyzing ICFG divbin_unwindbound1.i [2024-09-15 20:07:09,583 INFO L112 InvariantChecker]: Found 2 loops. [2024-09-15 20:07:09,584 INFO L367 InvariantChecker]: Will check inductivity from ENTRY assume_abort_if_notENTRY to ERROR_LOC assume_abort_if_notErr0ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 4 edges. [2024-09-15 20:07:09,585 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L45-2 to ERROR_LOC mainErr5REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 8 edges. [2024-09-15 20:07:09,585 INFO L367 InvariantChecker]: Will check inductivity from ENTRY mainENTRY to ERROR_LOC mainErr0REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 2 edges. [2024-09-15 20:07:09,585 INFO L367 InvariantChecker]: Will check inductivity from ENTRY mainENTRY to ERROR_LOC mainErr1REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 3 edges. [2024-09-15 20:07:09,585 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L45-2 to LOOP_INVARIANT_ERROR_LOC mainErr3ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 8 edges. [2024-09-15 20:07:09,585 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L36-4 to LOOP_INVARIANT_ERROR_LOC mainErr3ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 7 edges. [2024-09-15 20:07:09,586 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L45-2 to ERROR_LOC mainErr4REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 4 edges. [2024-09-15 20:07:09,586 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L45-2 to ERROR_LOC mainErr6ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 10 edges. [2024-09-15 20:07:09,586 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC ULTIMATE.startErr0REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 3 edges. [2024-09-15 20:07:09,586 INFO L367 InvariantChecker]: Will check inductivity from ENTRY mainENTRY to LOOP_INVARIANT_ERROR_LOC mainErr2ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 5 edges. [2024-09-15 20:07:09,586 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L36-4 to LOOP_INVARIANT_ERROR_LOC mainErr2ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 5 edges. [2024-09-15 20:07:09,586 INFO L367 InvariantChecker]: Will check inductivity from ENTRY __VERIFIER_assertENTRY to ERROR_LOC __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 5 edges. [2024-09-15 20:07:09,587 INFO L367 InvariantChecker]: Will check inductivity from ENTRY __VERIFIER_assertENTRY to ERROR_LOC __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 3 edges. [2024-09-15 20:07:09,587 INFO L130 InvariantChecker]: Will check 3 loop-free subgraphs from loop head to error location, 6 loop-free subgraphs from procedure entry to error location, 1 loop-free subgraphs from procedure entry to loop head, 3 loop-free subgraphs from loop head to loop head [2024-09-15 20:07:09,627 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 4 edges [2024-09-15 20:07:09,629 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-15 20:07:09,629 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-15 20:07:09,630 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-15 20:07:09,630 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-15 20:07:09,632 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-15 20:07:09,642 INFO L101 BaseMinimizeStates]: Removed 6 edges and 2 locations by large block encoding [2024-09-15 20:07:09,644 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-15 20:07:09,644 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-15 20:07:09,644 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-15 20:07:09,644 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-15 20:07:09,648 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-15 20:07:09,659 INFO L514 InvariantChecker]: The annotation(s) from entry assume_abort_if_notENTRY to error location assume_abort_if_notErr0ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-15 20:07:09,678 INFO L314 BlockEncoder]: Initial Icfg 7 locations, 8 edges [2024-09-15 20:07:09,679 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-15 20:07:09,679 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-15 20:07:09,679 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-15 20:07:09,679 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-15 20:07:09,679 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-15 20:07:09,694 INFO L101 BaseMinimizeStates]: Removed 14 edges and 5 locations by large block encoding [2024-09-15 20:07:09,694 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-15 20:07:09,694 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-15 20:07:09,695 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-15 20:07:09,695 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-15 20:07:09,699 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-15 20:07:09,701 INFO L514 InvariantChecker]: The annotation(s) from loop head L45-2 to error location mainErr5REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-15 20:07:09,719 INFO L314 BlockEncoder]: Initial Icfg 3 locations, 2 edges [2024-09-15 20:07:09,719 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-15 20:07:09,719 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-15 20:07:09,719 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-15 20:07:09,720 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-15 20:07:09,720 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-15 20:07:09,720 INFO L101 BaseMinimizeStates]: Removed 2 edges and 1 locations by large block encoding [2024-09-15 20:07:09,721 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-15 20:07:09,721 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-15 20:07:09,721 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-15 20:07:09,721 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-15 20:07:09,721 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-15 20:07:09,723 INFO L514 InvariantChecker]: The annotation(s) from entry mainENTRY to error location mainErr0REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-15 20:07:09,737 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-15 20:07:09,738 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-15 20:07:09,738 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-15 20:07:09,738 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-15 20:07:09,738 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-15 20:07:09,738 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-15 20:07:09,739 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-15 20:07:09,739 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-15 20:07:09,739 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-15 20:07:09,739 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-15 20:07:09,739 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-15 20:07:09,739 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-15 20:07:09,744 INFO L514 InvariantChecker]: The annotation(s) from entry mainENTRY to error location mainErr1REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-15 20:07:09,754 INFO L314 BlockEncoder]: Initial Icfg 8 locations, 8 edges [2024-09-15 20:07:09,758 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-15 20:07:09,758 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-15 20:07:09,758 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-15 20:07:09,759 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-15 20:07:09,759 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-15 20:07:09,779 INFO L101 BaseMinimizeStates]: Removed 14 edges and 6 locations by large block encoding [2024-09-15 20:07:09,779 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-15 20:07:09,779 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-15 20:07:09,779 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-15 20:07:09,779 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-15 20:07:09,787 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-15 20:07:09,789 INFO L514 InvariantChecker]: The annotation(s) from loop head L45-2 to loop head mainErr3ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-15 20:07:09,809 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 7 edges [2024-09-15 20:07:09,809 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-15 20:07:09,809 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-15 20:07:09,809 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-15 20:07:09,810 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-15 20:07:09,810 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-15 20:07:09,820 INFO L101 BaseMinimizeStates]: Removed 12 edges and 4 locations by large block encoding [2024-09-15 20:07:09,820 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-15 20:07:09,821 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-15 20:07:09,821 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-15 20:07:09,821 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-15 20:07:09,823 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-15 20:07:09,846 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 4 edges [2024-09-15 20:07:09,846 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-15 20:07:09,847 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-15 20:07:09,847 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-15 20:07:09,847 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-15 20:07:09,847 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-15 20:07:09,851 INFO L101 BaseMinimizeStates]: Removed 6 edges and 3 locations by large block encoding [2024-09-15 20:07:09,851 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-15 20:07:09,851 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-15 20:07:09,851 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-15 20:07:09,851 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-15 20:07:09,852 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-15 20:07:09,855 INFO L514 InvariantChecker]: The annotation(s) from loop head L45-2 to error location mainErr4REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-15 20:07:09,868 INFO L314 BlockEncoder]: Initial Icfg 9 locations, 10 edges [2024-09-15 20:07:09,870 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-15 20:07:09,870 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-15 20:07:09,870 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-15 20:07:09,870 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-15 20:07:09,870 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-15 20:07:09,885 INFO L101 BaseMinimizeStates]: Removed 22 edges and 7 locations by large block encoding [2024-09-15 20:07:09,886 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-15 20:07:09,886 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-15 20:07:09,886 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-15 20:07:09,886 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-15 20:07:09,887 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-15 20:07:09,888 INFO L514 InvariantChecker]: The annotation(s) from loop head L45-2 to error location mainErr6ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-15 20:07:09,895 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-15 20:07:09,895 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-15 20:07:09,895 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-15 20:07:09,895 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-15 20:07:09,895 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-15 20:07:09,896 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-15 20:07:09,896 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-15 20:07:09,896 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-15 20:07:09,896 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-15 20:07:09,897 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-15 20:07:09,897 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-15 20:07:09,897 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-15 20:07:09,898 INFO L514 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to error location ULTIMATE.startErr0REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-15 20:07:09,903 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 5 edges [2024-09-15 20:07:09,903 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-15 20:07:09,903 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-15 20:07:09,904 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-15 20:07:09,904 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-15 20:07:09,904 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-15 20:07:09,906 INFO L101 BaseMinimizeStates]: Removed 8 edges and 4 locations by large block encoding [2024-09-15 20:07:09,906 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-15 20:07:09,906 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-15 20:07:09,906 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-15 20:07:09,906 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-15 20:07:09,906 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-15 20:07:09,908 INFO L514 InvariantChecker]: The annotation(s) from entry mainENTRY to loop head mainErr2ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-15 20:07:09,913 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 5 edges [2024-09-15 20:07:09,914 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-15 20:07:09,914 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-15 20:07:09,914 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-15 20:07:09,914 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-15 20:07:09,914 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-15 20:07:09,918 INFO L101 BaseMinimizeStates]: Removed 8 edges and 4 locations by large block encoding [2024-09-15 20:07:09,918 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-15 20:07:09,918 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-15 20:07:09,919 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-15 20:07:09,919 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-15 20:07:09,919 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-15 20:07:09,921 INFO L514 InvariantChecker]: The annotation(s) from loop head L36-4 to loop head mainErr2ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-15 20:07:09,926 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 5 edges [2024-09-15 20:07:09,926 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-15 20:07:09,926 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-15 20:07:09,926 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-15 20:07:09,927 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-15 20:07:09,927 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-15 20:07:09,928 INFO L101 BaseMinimizeStates]: Removed 8 edges and 3 locations by large block encoding [2024-09-15 20:07:09,928 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-15 20:07:09,929 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-15 20:07:09,929 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-15 20:07:09,929 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-15 20:07:09,929 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-15 20:07:09,930 INFO L514 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-15 20:07:09,935 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-15 20:07:09,936 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-15 20:07:09,936 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-15 20:07:09,936 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-15 20:07:09,936 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-15 20:07:09,936 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-15 20:07:09,937 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-15 20:07:09,937 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-15 20:07:09,937 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-15 20:07:09,937 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-15 20:07:09,937 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-15 20:07:09,937 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-15 20:07:09,938 INFO L514 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION is inductive. [2024-09-15 20:07:09,945 INFO L58 RefereeStarter]: Annotation is not a valid proof of correctness. [2024-09-15 20:07:09,945 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@1c36afd1 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CFG 15.09 08:07:09, skipping insertion in model container [2024-09-15 20:07:09,945 INFO L131 PluginConnector]: ------------------------ END Referee---------------------------- [2024-09-15 20:07:09,946 INFO L158 Benchmark]: Toolchain (without parser) took 1115.79ms. Allocated memory is still 98.6MB. Free memory was 73.5MB in the beginning and 41.4MB in the end (delta: 32.1MB). Peak memory consumption was 34.7MB. Max. memory is 16.1GB. [2024-09-15 20:07:09,947 INFO L158 Benchmark]: CDTParser took 0.26ms. Allocated memory is still 69.2MB. Free memory is still 39.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-15 20:07:09,947 INFO L158 Benchmark]: Witness Parser took 0.11ms. Allocated memory is still 98.6MB. Free memory is still 75.5MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-15 20:07:09,947 INFO L158 Benchmark]: CACSL2BoogieTranslator took 272.41ms. Allocated memory is still 98.6MB. Free memory was 73.5MB in the beginning and 59.0MB in the end (delta: 14.4MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-09-15 20:07:09,948 INFO L158 Benchmark]: Boogie Preprocessor took 51.70ms. Allocated memory is still 98.6MB. Free memory was 59.0MB in the beginning and 56.7MB in the end (delta: 2.4MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-09-15 20:07:09,948 INFO L158 Benchmark]: RCFGBuilder took 418.92ms. Allocated memory is still 98.6MB. Free memory was 56.7MB in the beginning and 68.2MB in the end (delta: -11.5MB). Peak memory consumption was 8.8MB. Max. memory is 16.1GB. [2024-09-15 20:07:09,948 INFO L158 Benchmark]: Referee took 368.34ms. Allocated memory is still 98.6MB. Free memory was 68.2MB in the beginning and 41.4MB in the end (delta: 26.8MB). Peak memory consumption was 30.1MB. Max. memory is 16.1GB. [2024-09-15 20:07:09,950 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 loop head at line 36 to loop head at line 40. One counterexample starts in \old(counter)=0, A=0, b=0, counter=2147483647, q=0, r=0 and ends in \old(counter)=0, A=0, b=0, counter=-2147483648, q=0, r=0. Annotation is valid for all loop-free paths from loop head at line 40 to loop head at line 40. Annotation is valid for all loop-free paths from entry of procedure __VERIFIER_assert to check that a call to reach_error is unreachable at line 20. Annotation is valid for all loop-free paths from entry of procedure ULTIMATE.start to check that procedure precondition always holds at line -1. Annotation is valid for all loop-free paths from loop head at line 40 to exit of procedure main. Annotation is valid for all loop-free paths from loop head at line 36 to loop head at line 36. 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 loop head at line 40 to check that procedure precondition always holds at line 41. Annotation is valid for all loop-free paths from entry of procedure main to check that procedure precondition always holds at line 31. Annotation is valid for all loop-free paths from loop head at line 40 to check that procedure precondition always holds at line 40. Annotation is valid for all loop-free paths from entry of procedure assume_abort_if_not to exit of procedure assume_abort_if_not. Annotation is valid for all loop-free paths from entry of procedure main to check that procedure precondition always holds at line 31. Annotation is valid for all loop-free paths from entry of procedure main to loop head at line 36. * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26ms. Allocated memory is still 69.2MB. Free memory is still 39.3MB. There was no memory consumed. Max. memory is 16.1GB. * Witness Parser took 0.11ms. Allocated memory is still 98.6MB. Free memory is still 75.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 272.41ms. Allocated memory is still 98.6MB. Free memory was 73.5MB in the beginning and 59.0MB in the end (delta: 14.4MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Preprocessor took 51.70ms. Allocated memory is still 98.6MB. Free memory was 59.0MB in the beginning and 56.7MB in the end (delta: 2.4MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 418.92ms. Allocated memory is still 98.6MB. Free memory was 56.7MB in the beginning and 68.2MB in the end (delta: -11.5MB). Peak memory consumption was 8.8MB. Max. memory is 16.1GB. * Referee took 368.34ms. Allocated memory is still 98.6MB. Free memory was 68.2MB in the beginning and 41.4MB in the end (delta: 26.8MB). Peak memory consumption was 30.1MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be incorrect! [2024-09-15 20:07:09,974 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 Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE