./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/recursified_loop-invariants/recursified_bin-suffix-5.c --full-output --witness-type correctness_witness --validate ../results/automizer-verification-files/SV-COMP24_unreach-call/recursified_bin-suffix-5.yml/witness-2.1.yml --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version fb1cb0b9 Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/bin/java -Dosgi.configuration.area=/storage/repos/certificate-witnesses-artifact/referee/data/config -Xmx15G -Xms4m -jar /storage/repos/certificate-witnesses-artifact/referee/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/certificate-witnesses-artifact/referee/data -tc /storage/repos/certificate-witnesses-artifact/referee/config/RefereeReachWitnessValidation.xml -i ../sv-benchmarks/c/recursified_loop-invariants/recursified_bin-suffix-5.c ../results/automizer-verification-files/SV-COMP24_unreach-call/recursified_bin-suffix-5.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-fb1cb0b-m [2024-09-25 11:49:45,840 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-25 11:49:45,894 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Default.epf [2024-09-25 11:49:45,897 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-25 11:49:45,898 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-25 11:49:45,918 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-25 11:49:45,918 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-25 11:49:45,919 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-25 11:49:45,920 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-25 11:49:45,920 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-25 11:49:45,920 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-25 11:49:45,921 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-25 11:49:45,921 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-25 11:49:45,922 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-25 11:49:45,922 INFO L153 SettingsManager]: * Use SBE=true [2024-09-25 11:49:45,924 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-25 11:49:45,924 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-25 11:49:45,925 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-25 11:49:45,925 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-09-25 11:49:45,925 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-25 11:49:45,925 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-25 11:49:45,928 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-25 11:49:45,928 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-25 11:49:45,928 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-25 11:49:45,928 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-25 11:49:45,928 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-25 11:49:45,929 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-25 11:49:45,929 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-25 11:49:45,929 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-25 11:49:45,929 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-25 11:49:45,929 INFO L153 SettingsManager]: * Future-live optimization=false [2024-09-25 11:49:45,929 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-25 11:49:45,929 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-25 11:49:45,930 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-25 11:49:45,930 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-25 11:49:45,930 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-25 11:49:45,930 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-25 11:49:45,930 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-09-25 11:49:45,930 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-09-25 11:49:45,930 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-25 11:49:45,930 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-25 11:49:45,933 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-25 11:49:45,933 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-25 11:49:45,933 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None [2024-09-25 11:49:46,144 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-25 11:49:46,161 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-25 11:49:46,164 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-25 11:49:46,165 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-25 11:49:46,165 INFO L274 PluginConnector]: CDTParser initialized [2024-09-25 11:49:46,166 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/recursified_loop-invariants/recursified_bin-suffix-5.c [2024-09-25 11:49:47,468 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-25 11:49:47,652 INFO L384 CDTParser]: Found 1 translation units. [2024-09-25 11:49:47,652 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/recursified_loop-invariants/recursified_bin-suffix-5.c [2024-09-25 11:49:47,659 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/b691a650e/77266d68b3dd4e588cd18994a8c9a973/FLAG13f505149 [2024-09-25 11:49:48,079 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/b691a650e/77266d68b3dd4e588cd18994a8c9a973 [2024-09-25 11:49:48,081 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-25 11:49:48,081 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-25 11:49:48,082 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/automizer-verification-files/SV-COMP24_unreach-call/recursified_bin-suffix-5.yml/witness-2.1.yml [2024-09-25 11:49:48,135 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-25 11:49:48,136 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-09-25 11:49:48,137 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-25 11:49:48,137 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-25 11:49:48,141 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-25 11:49:48,141 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 11:49:48" (1/2) ... [2024-09-25 11:49:48,142 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7bc3f7ec and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 11:49:48, skipping insertion in model container [2024-09-25 11:49:48,142 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 11:49:48" (1/2) ... [2024-09-25 11:49:48,143 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@77da4c37 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 11:49:48, skipping insertion in model container [2024-09-25 11:49:48,143 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 25.09 11:49:48" (2/2) ... [2024-09-25 11:49:48,144 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7bc3f7ec and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 25.09 11:49:48, skipping insertion in model container [2024-09-25 11:49:48,144 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 25.09 11:49:48" (2/2) ... [2024-09-25 11:49:48,147 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-25 11:49:48,148 INFO L1541 ArrayList]: Function contract at [L21]: requires (1 == cond), ensures (1 == cond) [2024-09-25 11:49:48,161 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-25 11:49:48,264 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/recursified_loop-invariants/recursified_bin-suffix-5.c[986,999] [2024-09-25 11:49:48,274 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-25 11:49:48,283 INFO L200 MainTranslator]: Completed pre-run Start Parsing Global Start Parsing Global [2024-09-25 11:49:48,309 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/recursified_loop-invariants/recursified_bin-suffix-5.c[986,999] [2024-09-25 11:49:48,313 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-25 11:49:48,332 INFO L204 MainTranslator]: Completed translation [2024-09-25 11:49:48,333 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 25.09 11:49:48 WrapperNode [2024-09-25 11:49:48,333 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-25 11:49:48,334 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-25 11:49:48,334 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-25 11:49:48,334 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-25 11:49:48,343 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 25.09 11:49:48" (1/1) ... [2024-09-25 11:49:48,343 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 25.09 11:49:48" (1/1) ... [2024-09-25 11:49:48,349 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 25.09 11:49:48" (1/1) ... [2024-09-25 11:49:48,363 WARN L109 MemorySlicer]: Omit memory slicing because it failed with the following exception: Unsupported: Procedure __VERIFIER_assert is not part of the Ultimate memory model but has specification other that is not a ModifiesSpecification [2024-09-25 11:49:48,363 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 25.09 11:49:48" (1/1) ... [2024-09-25 11:49:48,363 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 25.09 11:49:48" (1/1) ... [2024-09-25 11:49:48,366 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 25.09 11:49:48" (1/1) ... [2024-09-25 11:49:48,371 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 25.09 11:49:48" (1/1) ... [2024-09-25 11:49:48,372 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 25.09 11:49:48" (1/1) ... [2024-09-25 11:49:48,375 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 25.09 11:49:48" (1/1) ... [2024-09-25 11:49:48,377 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-25 11:49:48,378 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-25 11:49:48,381 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-25 11:49:48,381 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-25 11:49:48,382 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 25.09 11:49:48" (1/1) ... [2024-09-25 11:49:48,390 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-25 11:49:48,397 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-09-25 11:49:48,410 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) [2024-09-25 11:49:48,417 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 [2024-09-25 11:49:48,458 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-09-25 11:49:48,458 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-25 11:49:48,459 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-09-25 11:49:48,459 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-09-25 11:49:48,459 INFO L138 BoogieDeclarations]: Found implementation of procedure func_to_recursive_line_13_to_14_0 [2024-09-25 11:49:48,459 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-09-25 11:49:48,459 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-09-25 11:49:48,459 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-09-25 11:49:48,459 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-09-25 11:49:48,460 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-25 11:49:48,460 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2024-09-25 11:49:48,460 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-09-25 11:49:48,460 INFO L130 BoogieDeclarations]: Found specification of procedure func_to_recursive_line_13_to_14_0 [2024-09-25 11:49:48,460 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-09-25 11:49:48,460 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-09-25 11:49:48,461 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-09-25 11:49:48,461 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-09-25 11:49:48,461 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-09-25 11:49:48,461 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-09-25 11:49:48,461 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-09-25 11:49:48,461 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-25 11:49:48,516 INFO L241 CfgBuilder]: Building ICFG [2024-09-25 11:49:48,518 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-25 11:49:48,643 WARN L782 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-25 11:49:48,661 INFO L290 CfgBuilder]: Performing block encoding [2024-09-25 11:49:48,703 INFO L312 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-25 11:49:48,708 INFO L317 CfgBuilder]: Removed 0 assume(true) statements. [2024-09-25 11:49:48,711 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 11:49:48 BoogieIcfgContainer [2024-09-25 11:49:48,711 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-25 11:49:48,712 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-09-25 11:49:48,712 INFO L270 PluginConnector]: Initializing Referee... [2024-09-25 11:49:48,712 INFO L274 PluginConnector]: Referee initialized [2024-09-25 11:49:48,712 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 25.09 11:49:48" (1/4) ... [2024-09-25 11:49:48,713 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@5e632939 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 25.09 11:49:48, skipping insertion in model container [2024-09-25 11:49:48,713 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 25.09 11:49:48" (2/4) ... [2024-09-25 11:49:48,713 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@5e632939 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 25.09 11:49:48, skipping insertion in model container [2024-09-25 11:49:48,713 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 25.09 11:49:48" (3/4) ... [2024-09-25 11:49:48,713 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@5e632939 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 25.09 11:49:48, skipping insertion in model container [2024-09-25 11:49:48,713 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 11:49:48" (4/4) ... [2024-09-25 11:49:48,718 INFO L79 RefereeObserver]: Analyzing ICFG recursified_bin-suffix-5.c [2024-09-25 11:49:48,723 INFO L113 InvariantChecker]: Found 0 loops. [2024-09-25 11:49:48,725 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr0REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 9 edges. [2024-09-25 11:49:48,725 INFO L373 InvariantChecker]: Will check inductivity from ENTRY __VERIFIER_assertENTRY to ERROR_LOC __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 5 edges. [2024-09-25 11:49:48,725 INFO L373 InvariantChecker]: Will check inductivity from ENTRY __VERIFIER_assertENTRY to ERROR_LOC __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 3 edges. [2024-09-25 11:49:48,725 INFO L131 InvariantChecker]: Will check 3 loop-free subgraphs from procedure entry to error location [2024-09-25 11:49:48,789 INFO L314 BlockEncoder]: Initial Icfg 8 locations, 9 edges [2024-09-25 11:49:48,793 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 11:49:48,796 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 11:49:48,797 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 11:49:48,801 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 11:49:48,806 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:49:48,876 INFO L101 BaseMinimizeStates]: Removed 16 edges and 6 locations by large block encoding [2024-09-25 11:49:48,885 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:49:48,885 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 11:49:48,886 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 11:49:48,886 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 11:49:48,908 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 11:49:48,980 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 5 edges [2024-09-25 11:49:48,984 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 11:49:48,984 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 11:49:48,984 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 11:49:48,984 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 11:49:48,985 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:49:48,991 INFO L101 BaseMinimizeStates]: Removed 8 edges and 3 locations by large block encoding [2024-09-25 11:49:48,991 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:49:48,995 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 11:49:48,995 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 11:49:48,995 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 11:49:48,996 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 11:49:49,006 INFO L520 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-25 11:49:49,016 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-25 11:49:49,017 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 11:49:49,017 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 11:49:49,017 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 11:49:49,017 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 11:49:49,017 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:49:49,018 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-25 11:49:49,023 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:49:49,023 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 11:49:49,023 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 11:49:49,024 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 11:49:49,024 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 11:49:49,026 INFO L520 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION is inductive. [2024-09-25 11:49:49,030 INFO L58 RefereeStarter]: Insufficient resources for checking whether annotation is a valid proof of correctness. [2024-09-25 11:49:49,034 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@5e632939 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CFG 25.09 11:49:49, skipping insertion in model container [2024-09-25 11:49:49,035 INFO L131 PluginConnector]: ------------------------ END Referee---------------------------- [2024-09-25 11:49:49,036 INFO L158 Benchmark]: Toolchain (without parser) took 899.52ms. Allocated memory is still 142.6MB. Free memory was 116.8MB in the beginning and 76.3MB in the end (delta: 40.6MB). Peak memory consumption was 39.8MB. Max. memory is 16.1GB. [2024-09-25 11:49:49,037 INFO L158 Benchmark]: CDTParser took 0.52ms. Allocated memory is still 104.9MB. Free memory is still 67.0MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-25 11:49:49,041 INFO L158 Benchmark]: Witness Parser took 0.14ms. Allocated memory is still 142.6MB. Free memory is still 76.5MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-25 11:49:49,042 INFO L158 Benchmark]: CACSL2BoogieTranslator took 196.10ms. Allocated memory is still 142.6MB. Free memory was 116.3MB in the beginning and 104.0MB in the end (delta: 12.3MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-09-25 11:49:49,042 INFO L158 Benchmark]: Boogie Preprocessor took 43.50ms. Allocated memory is still 142.6MB. Free memory was 104.0MB in the beginning and 101.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-09-25 11:49:49,042 INFO L158 Benchmark]: RCFGBuilder took 333.47ms. Allocated memory is still 142.6MB. Free memory was 101.9MB in the beginning and 89.3MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-09-25 11:49:49,043 INFO L158 Benchmark]: Referee took 322.96ms. Allocated memory is still 142.6MB. Free memory was 89.3MB in the beginning and 76.3MB in the end (delta: 13.0MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-09-25 11:49:49,046 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 entry of procedure main to check that procedure precondition always holds at line 56. 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 __VERIFIER_assert to check that a call to reach_error is unreachable at line 25. * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.52ms. Allocated memory is still 104.9MB. Free memory is still 67.0MB. There was no memory consumed. Max. memory is 16.1GB. * Witness Parser took 0.14ms. Allocated memory is still 142.6MB. Free memory is still 76.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 196.10ms. Allocated memory is still 142.6MB. Free memory was 116.3MB in the beginning and 104.0MB in the end (delta: 12.3MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Preprocessor took 43.50ms. Allocated memory is still 142.6MB. Free memory was 104.0MB in the beginning and 101.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 333.47ms. Allocated memory is still 142.6MB. Free memory was 101.9MB in the beginning and 89.3MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Referee took 322.96ms. Allocated memory is still 142.6MB. Free memory was 89.3MB in the beginning and 76.3MB in the end (delta: 13.0MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-09-25 11:49:49,088 INFO L540 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/referee/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/bin/java -Dosgi.configuration.area=/storage/repos/certificate-witnesses-artifact/referee/data/config -Xmx15G -Xms4m -jar /storage/repos/certificate-witnesses-artifact/referee/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/certificate-witnesses-artifact/referee/data -tc /storage/repos/certificate-witnesses-artifact/referee/config/RefereeReachWitnessValidation.xml -i ../sv-benchmarks/c/recursified_loop-invariants/recursified_bin-suffix-5.c ../results/automizer-verification-files/SV-COMP24_unreach-call/recursified_bin-suffix-5.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-fb1cb0b-m [2024-09-25 11:49:51,155 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-25 11:49:51,219 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Bitvector.epf [2024-09-25 11:49:51,224 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-25 11:49:51,224 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-25 11:49:51,248 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-25 11:49:51,250 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-25 11:49:51,251 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-25 11:49:51,251 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-25 11:49:51,252 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-25 11:49:51,252 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-25 11:49:51,253 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-25 11:49:51,253 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-25 11:49:51,255 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-25 11:49:51,255 INFO L153 SettingsManager]: * Use SBE=true [2024-09-25 11:49:51,256 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-25 11:49:51,256 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-25 11:49:51,256 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-25 11:49:51,256 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-25 11:49:51,256 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-25 11:49:51,257 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-25 11:49:51,257 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-25 11:49:51,257 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-25 11:49:51,258 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-09-25 11:49:51,260 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-09-25 11:49:51,260 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-25 11:49:51,261 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-09-25 11:49:51,261 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-25 11:49:51,261 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-25 11:49:51,261 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-25 11:49:51,261 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-25 11:49:51,261 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-25 11:49:51,261 INFO L153 SettingsManager]: * Future-live optimization=false [2024-09-25 11:49:51,262 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-25 11:49:51,262 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-25 11:49:51,262 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-25 11:49:51,262 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-25 11:49:51,262 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-25 11:49:51,262 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-25 11:49:51,262 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-09-25 11:49:51,263 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-09-25 11:49:51,264 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-25 11:49:51,264 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-25 11:49:51,264 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-25 11:49:51,264 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-25 11:49:51,265 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2024-09-25 11:49:51,265 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None [2024-09-25 11:49:51,510 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-25 11:49:51,533 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-25 11:49:51,534 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-25 11:49:51,536 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-25 11:49:51,536 INFO L274 PluginConnector]: CDTParser initialized [2024-09-25 11:49:51,538 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/recursified_loop-invariants/recursified_bin-suffix-5.c [2024-09-25 11:49:52,764 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-25 11:49:52,893 INFO L384 CDTParser]: Found 1 translation units. [2024-09-25 11:49:52,894 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/recursified_loop-invariants/recursified_bin-suffix-5.c [2024-09-25 11:49:52,899 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/621bd6c76/49d89d7ac0454433b63ae5da2de40506/FLAG1225eaf47 [2024-09-25 11:49:52,909 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/621bd6c76/49d89d7ac0454433b63ae5da2de40506 [2024-09-25 11:49:52,910 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-25 11:49:52,911 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-25 11:49:52,911 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/automizer-verification-files/SV-COMP24_unreach-call/recursified_bin-suffix-5.yml/witness-2.1.yml [2024-09-25 11:49:52,957 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-25 11:49:52,958 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-09-25 11:49:52,958 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-25 11:49:52,959 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-25 11:49:52,964 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-25 11:49:52,965 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 11:49:52" (1/2) ... [2024-09-25 11:49:52,966 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@694324b9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 11:49:52, skipping insertion in model container [2024-09-25 11:49:52,966 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 11:49:52" (1/2) ... [2024-09-25 11:49:52,967 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@3032b200 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 11:49:52, skipping insertion in model container [2024-09-25 11:49:52,968 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 25.09 11:49:52" (2/2) ... [2024-09-25 11:49:52,968 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@694324b9 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 25.09 11:49:52, skipping insertion in model container [2024-09-25 11:49:52,968 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 25.09 11:49:52" (2/2) ... [2024-09-25 11:49:52,971 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-25 11:49:52,972 INFO L1541 ArrayList]: Function contract at [L21]: requires (1 == cond), ensures (1 == cond) [2024-09-25 11:49:52,982 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-25 11:49:53,072 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/recursified_loop-invariants/recursified_bin-suffix-5.c[986,999] [2024-09-25 11:49:53,084 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-25 11:49:53,099 INFO L200 MainTranslator]: Completed pre-run Start Parsing Global Start Parsing Global [2024-09-25 11:49:53,127 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/recursified_loop-invariants/recursified_bin-suffix-5.c[986,999] [2024-09-25 11:49:53,130 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-25 11:49:53,144 INFO L204 MainTranslator]: Completed translation [2024-09-25 11:49:53,145 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 25.09 11:49:53 WrapperNode [2024-09-25 11:49:53,145 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-25 11:49:53,146 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-25 11:49:53,146 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-25 11:49:53,146 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-25 11:49:53,155 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 25.09 11:49:53" (1/1) ... [2024-09-25 11:49:53,155 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 25.09 11:49:53" (1/1) ... [2024-09-25 11:49:53,162 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 25.09 11:49:53" (1/1) ... [2024-09-25 11:49:53,170 WARN L109 MemorySlicer]: Omit memory slicing because it failed with the following exception: Unsupported: Procedure __VERIFIER_assert is not part of the Ultimate memory model but has specification other that is not a ModifiesSpecification [2024-09-25 11:49:53,170 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 25.09 11:49:53" (1/1) ... [2024-09-25 11:49:53,170 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 25.09 11:49:53" (1/1) ... [2024-09-25 11:49:53,175 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 25.09 11:49:53" (1/1) ... [2024-09-25 11:49:53,179 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 25.09 11:49:53" (1/1) ... [2024-09-25 11:49:53,180 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 25.09 11:49:53" (1/1) ... [2024-09-25 11:49:53,180 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 25.09 11:49:53" (1/1) ... [2024-09-25 11:49:53,182 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-25 11:49:53,182 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-25 11:49:53,186 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-25 11:49:53,186 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-25 11:49:53,187 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 25.09 11:49:53" (1/1) ... [2024-09-25 11:49:53,191 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-25 11:49:53,198 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-09-25 11:49:53,215 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) [2024-09-25 11:49:53,218 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 [2024-09-25 11:49:53,255 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-09-25 11:49:53,255 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-25 11:49:53,256 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-09-25 11:49:53,256 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-09-25 11:49:53,256 INFO L138 BoogieDeclarations]: Found implementation of procedure func_to_recursive_line_13_to_14_0 [2024-09-25 11:49:53,256 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-09-25 11:49:53,256 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-09-25 11:49:53,257 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-09-25 11:49:53,257 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-09-25 11:49:53,257 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-25 11:49:53,257 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2024-09-25 11:49:53,257 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-09-25 11:49:53,257 INFO L130 BoogieDeclarations]: Found specification of procedure func_to_recursive_line_13_to_14_0 [2024-09-25 11:49:53,257 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2024-09-25 11:49:53,257 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2024-09-25 11:49:53,258 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-09-25 11:49:53,258 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-09-25 11:49:53,258 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2024-09-25 11:49:53,258 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-09-25 11:49:53,258 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-09-25 11:49:53,258 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-09-25 11:49:53,259 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-25 11:49:53,259 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2024-09-25 11:49:53,259 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2024-09-25 11:49:53,320 INFO L241 CfgBuilder]: Building ICFG [2024-09-25 11:49:53,321 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-25 11:49:53,413 WARN L782 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-25 11:49:53,430 INFO L290 CfgBuilder]: Performing block encoding [2024-09-25 11:49:53,464 INFO L312 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-25 11:49:53,465 INFO L317 CfgBuilder]: Removed 0 assume(true) statements. [2024-09-25 11:49:53,466 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 11:49:53 BoogieIcfgContainer [2024-09-25 11:49:53,466 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-25 11:49:53,466 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-09-25 11:49:53,467 INFO L270 PluginConnector]: Initializing Referee... [2024-09-25 11:49:53,467 INFO L274 PluginConnector]: Referee initialized [2024-09-25 11:49:53,467 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 25.09 11:49:52" (1/4) ... [2024-09-25 11:49:53,468 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@11e57477 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 25.09 11:49:53, skipping insertion in model container [2024-09-25 11:49:53,468 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 25.09 11:49:52" (2/4) ... [2024-09-25 11:49:53,469 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@11e57477 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 25.09 11:49:53, skipping insertion in model container [2024-09-25 11:49:53,469 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 25.09 11:49:53" (3/4) ... [2024-09-25 11:49:53,469 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@11e57477 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 25.09 11:49:53, skipping insertion in model container [2024-09-25 11:49:53,469 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 11:49:53" (4/4) ... [2024-09-25 11:49:53,470 INFO L79 RefereeObserver]: Analyzing ICFG recursified_bin-suffix-5.c [2024-09-25 11:49:53,473 INFO L113 InvariantChecker]: Found 0 loops. [2024-09-25 11:49:53,474 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr0REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 4 edges. [2024-09-25 11:49:53,474 INFO L373 InvariantChecker]: Will check inductivity from ENTRY __VERIFIER_assertENTRY to ERROR_LOC __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 5 edges. [2024-09-25 11:49:53,474 INFO L373 InvariantChecker]: Will check inductivity from ENTRY __VERIFIER_assertENTRY to ERROR_LOC __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 3 edges. [2024-09-25 11:49:53,475 INFO L131 InvariantChecker]: Will check 3 loop-free subgraphs from procedure entry to error location [2024-09-25 11:49:53,523 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 4 edges [2024-09-25 11:49:53,525 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 11:49:53,525 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 11:49:53,526 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 11:49:53,528 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 11:49:53,529 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:49:53,546 INFO L101 BaseMinimizeStates]: Removed 6 edges and 3 locations by large block encoding [2024-09-25 11:49:53,548 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:49:53,549 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 11:49:53,550 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 11:49:53,550 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 11:49:53,550 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 11:49:53,592 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 5 edges [2024-09-25 11:49:53,592 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 11:49:53,593 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 11:49:53,593 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 11:49:53,593 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 11:49:53,593 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:49:53,598 INFO L101 BaseMinimizeStates]: Removed 8 edges and 3 locations by large block encoding [2024-09-25 11:49:53,598 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:49:53,598 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 11:49:53,598 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 11:49:53,598 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 11:49:53,601 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 11:49:53,603 INFO L520 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-25 11:49:53,614 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-25 11:49:53,616 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 11:49:53,616 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 11:49:53,616 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 11:49:53,616 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 11:49:53,617 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:49:53,619 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-25 11:49:53,622 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:49:53,622 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 11:49:53,622 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 11:49:53,622 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 11:49:53,622 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 11:49:53,624 INFO L520 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION is inductive. [2024-09-25 11:49:53,630 INFO L58 RefereeStarter]: Annotation is not a valid proof of correctness. [2024-09-25 11:49:53,631 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@11e57477 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CFG 25.09 11:49:53, skipping insertion in model container [2024-09-25 11:49:53,631 INFO L131 PluginConnector]: ------------------------ END Referee---------------------------- [2024-09-25 11:49:53,633 INFO L158 Benchmark]: Toolchain (without parser) took 673.95ms. Allocated memory was 75.5MB in the beginning and 98.6MB in the end (delta: 23.1MB). Free memory was 56.2MB in the beginning and 66.9MB in the end (delta: -10.8MB). Peak memory consumption was 31.5MB. Max. memory is 16.1GB. [2024-09-25 11:49:53,633 INFO L158 Benchmark]: CDTParser took 0.36ms. Allocated memory is still 75.5MB. Free memory is still 55.9MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-25 11:49:53,633 INFO L158 Benchmark]: Witness Parser took 0.13ms. Allocated memory is still 75.5MB. Free memory is still 36.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-25 11:49:53,634 INFO L158 Benchmark]: CACSL2BoogieTranslator took 186.58ms. Allocated memory is still 75.5MB. Free memory was 56.2MB in the beginning and 43.1MB in the end (delta: 13.1MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-09-25 11:49:53,634 INFO L158 Benchmark]: Boogie Preprocessor took 35.83ms. Allocated memory is still 75.5MB. Free memory was 43.1MB in the beginning and 40.8MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-09-25 11:49:53,635 INFO L158 Benchmark]: RCFGBuilder took 283.87ms. Allocated memory is still 75.5MB. Free memory was 40.8MB in the beginning and 27.9MB in the end (delta: 12.9MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-09-25 11:49:53,635 INFO L158 Benchmark]: Referee took 164.67ms. Allocated memory was 75.5MB in the beginning and 98.6MB in the end (delta: 23.1MB). Free memory was 27.9MB in the beginning and 66.9MB in the end (delta: -39.0MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-09-25 11:49:53,637 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.referee: - AnnotationCheckResult: Annotation is not a valid proof of correctness. Annotation is not a valid proof of correctness. Annotation is not valid for all loop-free paths from entry of procedure main to check that procedure precondition always holds at line 56. One counterexample starts in and ends in x={2:0}. 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 25. Annotation is valid for all loop-free paths from entry of procedure __VERIFIER_assert to exit of procedure __VERIFIER_assert. * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.36ms. Allocated memory is still 75.5MB. Free memory is still 55.9MB. There was no memory consumed. Max. memory is 16.1GB. * Witness Parser took 0.13ms. Allocated memory is still 75.5MB. Free memory is still 36.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 186.58ms. Allocated memory is still 75.5MB. Free memory was 56.2MB in the beginning and 43.1MB in the end (delta: 13.1MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Preprocessor took 35.83ms. Allocated memory is still 75.5MB. Free memory was 43.1MB in the beginning and 40.8MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 283.87ms. Allocated memory is still 75.5MB. Free memory was 40.8MB in the beginning and 27.9MB in the end (delta: 12.9MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Referee took 164.67ms. Allocated memory was 75.5MB in the beginning and 98.6MB in the end (delta: 23.1MB). Free memory was 27.9MB in the beginning and 66.9MB in the end (delta: -39.0MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be incorrect! [2024-09-25 11:49:53,663 INFO L540 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/referee/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE