This is Ultimate 0.2.4-dev-1d5fa63-m [2024-09-13 10:07:24,491 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-13 10:07:24,535 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Default.epf [2024-09-13 10:07:24,538 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-13 10:07:24,539 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-13 10:07:24,553 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-13 10:07:24,553 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-13 10:07:24,554 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-13 10:07:24,554 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-13 10:07:24,555 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-13 10:07:24,555 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-13 10:07:24,555 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-13 10:07:24,556 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-13 10:07:24,556 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-13 10:07:24,556 INFO L153 SettingsManager]: * Use SBE=true [2024-09-13 10:07:24,556 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-13 10:07:24,557 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-13 10:07:24,557 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-13 10:07:24,557 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-09-13 10:07:24,557 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-13 10:07:24,558 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-13 10:07:24,562 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-13 10:07:24,562 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-13 10:07:24,562 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-13 10:07:24,562 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-13 10:07:24,562 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-13 10:07:24,563 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-13 10:07:24,563 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-13 10:07:24,563 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-13 10:07:24,563 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-13 10:07:24,563 INFO L153 SettingsManager]: * Future-live optimization=false [2024-09-13 10:07:24,564 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-13 10:07:24,564 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-13 10:07:24,564 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-13 10:07:24,564 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-13 10:07:24,565 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-13 10:07:24,565 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-13 10:07:24,565 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-09-13 10:07:24,565 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-09-13 10:07:24,565 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-13 10:07:24,566 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-13 10:07:24,566 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-13 10:07:24,566 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-13 10:07:24,566 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None [2024-09-13 10:07:24,737 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-13 10:07:24,779 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-13 10:07:24,786 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-13 10:07:24,786 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-13 10:07:24,787 INFO L274 PluginConnector]: CDTParser initialized [2024-09-13 10:07:24,791 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/loop-invgen/id_build.i.v+lhb-reducer.c [2024-09-13 10:07:26,165 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-13 10:07:26,329 INFO L384 CDTParser]: Found 1 translation units. [2024-09-13 10:07:26,329 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-invgen/id_build.i.v+lhb-reducer.c [2024-09-13 10:07:26,335 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/e58ee4feb/288cbe8e4f6745fd805676ab97883b1e/FLAG5999e6b73 [2024-09-13 10:07:26,356 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/e58ee4feb/288cbe8e4f6745fd805676ab97883b1e [2024-09-13 10:07:26,362 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-13 10:07:26,363 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-13 10:07:26,363 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/automizer-verification-files/SV-COMP24_unreach-call/id_build.i.v+lhb-reducer.yml/witness-2.1.yml [2024-09-13 10:07:26,412 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-13 10:07:26,413 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-09-13 10:07:26,415 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-13 10:07:26,415 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-13 10:07:26,419 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-13 10:07:26,420 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.09 10:07:26" (1/2) ... [2024-09-13 10:07:26,420 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1531a917 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 10:07:26, skipping insertion in model container [2024-09-13 10:07:26,422 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.09 10:07:26" (1/2) ... [2024-09-13 10:07:26,423 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@263268fc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 10:07:26, skipping insertion in model container [2024-09-13 10:07:26,424 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 13.09 10:07:26" (2/2) ... [2024-09-13 10:07:26,424 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1531a917 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 13.09 10:07:26, skipping insertion in model container [2024-09-13 10:07:26,425 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 13.09 10:07:26" (2/2) ... [2024-09-13 10:07:26,432 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-13 10:07:26,433 INFO L1541 ArrayList]: Location invariant before [L39-L89] (((((long long) main__i + 1) <= main__nlen) && (\old(__return_100) == __return_100)) && (0 <= main__i)) [2024-09-13 10:07:26,433 INFO L1541 ArrayList]: Location invariant before [L23-L101] ((\old(__return_100) == __return_100) && (0 <= main__i)) [2024-09-13 10:07:26,433 INFO L1541 ArrayList]: Location invariant before [L55-L86] (((((long long) main__i + 1) <= main__nlen) && (\old(__return_100) == __return_100)) && (0 <= main__i)) [2024-09-13 10:07:26,452 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-13 10:07:26,585 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-invgen/id_build.i.v+lhb-reducer.c[854,867] [2024-09-13 10:07:26,590 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-invgen/id_build.i.v+lhb-reducer.c[1096,1109] [2024-09-13 10:07:26,592 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-invgen/id_build.i.v+lhb-reducer.c[1375,1388] [2024-09-13 10:07:26,595 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-13 10:07:26,603 INFO L200 MainTranslator]: Completed pre-run [2024-09-13 10:07:26,616 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-invgen/id_build.i.v+lhb-reducer.c[854,867] [2024-09-13 10:07:26,619 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-invgen/id_build.i.v+lhb-reducer.c[1096,1109] [2024-09-13 10:07:26,621 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-invgen/id_build.i.v+lhb-reducer.c[1375,1388] Start Parsing Local Start Parsing Local Start Parsing Local [2024-09-13 10:07:26,646 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-13 10:07:26,661 INFO L204 MainTranslator]: Completed translation [2024-09-13 10:07:26,662 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 13.09 10:07:26 WrapperNode [2024-09-13 10:07:26,662 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-13 10:07:26,663 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-13 10:07:26,663 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-13 10:07:26,663 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-13 10:07:26,674 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 13.09 10:07:26" (1/1) ... [2024-09-13 10:07:26,675 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 13.09 10:07:26" (1/1) ... [2024-09-13 10:07:26,680 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 13.09 10:07:26" (1/1) ... [2024-09-13 10:07:26,695 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-09-13 10:07:26,695 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 13.09 10:07:26" (1/1) ... [2024-09-13 10:07:26,695 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 13.09 10:07:26" (1/1) ... [2024-09-13 10:07:26,703 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 13.09 10:07:26" (1/1) ... [2024-09-13 10:07:26,709 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 13.09 10:07:26" (1/1) ... [2024-09-13 10:07:26,710 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 13.09 10:07:26" (1/1) ... [2024-09-13 10:07:26,710 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 13.09 10:07:26" (1/1) ... [2024-09-13 10:07:26,713 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-13 10:07:26,714 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-13 10:07:26,715 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-13 10:07:26,716 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-13 10:07:26,716 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 13.09 10:07:26" (1/1) ... [2024-09-13 10:07:26,721 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-13 10:07:26,728 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-09-13 10:07:26,747 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) [2024-09-13 10:07:26,755 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 [2024-09-13 10:07:26,831 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-09-13 10:07:26,836 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-13 10:07:26,847 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-09-13 10:07:26,847 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-09-13 10:07:26,847 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-09-13 10:07:26,847 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-09-13 10:07:26,847 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-09-13 10:07:26,847 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-09-13 10:07:26,847 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-13 10:07:26,847 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-09-13 10:07:26,848 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-09-13 10:07:26,848 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2024-09-13 10:07:26,848 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-09-13 10:07:26,848 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-09-13 10:07:26,848 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-09-13 10:07:26,848 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-13 10:07:26,848 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-09-13 10:07:26,848 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-09-13 10:07:26,848 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-09-13 10:07:26,900 INFO L242 CfgBuilder]: Building ICFG [2024-09-13 10:07:26,902 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-13 10:07:27,031 INFO L291 CfgBuilder]: Performing block encoding [2024-09-13 10:07:27,056 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-13 10:07:27,056 INFO L318 CfgBuilder]: Removed 0 assume(true) statements. [2024-09-13 10:07:27,056 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.09 10:07:27 BoogieIcfgContainer [2024-09-13 10:07:27,056 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-13 10:07:27,057 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-09-13 10:07:27,057 INFO L270 PluginConnector]: Initializing Referee... [2024-09-13 10:07:27,058 INFO L274 PluginConnector]: Referee initialized [2024-09-13 10:07:27,058 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 13.09 10:07:26" (1/4) ... [2024-09-13 10:07:27,058 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@439b7770 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 13.09 10:07:27, skipping insertion in model container [2024-09-13 10:07:27,058 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 13.09 10:07:26" (2/4) ... [2024-09-13 10:07:27,059 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@439b7770 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 13.09 10:07:27, skipping insertion in model container [2024-09-13 10:07:27,059 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 13.09 10:07:26" (3/4) ... [2024-09-13 10:07:27,059 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@439b7770 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 13.09 10:07:27, skipping insertion in model container [2024-09-13 10:07:27,059 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.09 10:07:27" (4/4) ... [2024-09-13 10:07:27,060 INFO L79 RefereeObserver]: Analyzing ICFG id_build.i.v+lhb-reducer.c [2024-09-13 10:07:27,063 INFO L112 InvariantChecker]: Found 0 loops. [2024-09-13 10:07:27,063 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr2ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 15 edges. [2024-09-13 10:07:27,064 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr4ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 15 edges. [2024-09-13 10:07:27,064 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr3ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 16 edges. [2024-09-13 10:07:27,064 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 5 edges. [2024-09-13 10:07:27,064 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr5ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 16 edges. [2024-09-13 10:07:27,064 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr1ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 7 edges. [2024-09-13 10:07:27,065 INFO L130 InvariantChecker]: Will check 6 loop-free subgraphs from procedure entry to error location [2024-09-13 10:07:27,100 INFO L314 BlockEncoder]: Initial Icfg 13 locations, 15 edges [2024-09-13 10:07:27,101 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 10:07:27,101 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 10:07:27,102 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 10:07:27,103 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 10:07:27,104 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:07:27,168 INFO L101 BaseMinimizeStates]: Removed 27 edges and 8 locations by large block encoding [2024-09-13 10:07:27,169 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:07:27,169 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 10:07:27,170 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 10:07:27,170 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 10:07:27,170 INFO L314 BlockEncoder]: Encoded RCFG 5 locations, 10 edges [2024-09-13 10:07:27,184 INFO L314 BlockEncoder]: Initial Icfg 13 locations, 15 edges [2024-09-13 10:07:27,185 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 10:07:27,185 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 10:07:27,185 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 10:07:27,185 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 10:07:27,185 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:07:27,208 INFO L101 BaseMinimizeStates]: Removed 24 edges and 8 locations by large block encoding [2024-09-13 10:07:27,208 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:07:27,209 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 10:07:27,209 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 10:07:27,209 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 10:07:27,209 INFO L314 BlockEncoder]: Encoded RCFG 5 locations, 9 edges [2024-09-13 10:07:27,221 INFO L314 BlockEncoder]: Initial Icfg 14 locations, 16 edges [2024-09-13 10:07:27,221 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 10:07:27,221 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 10:07:27,221 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 10:07:27,221 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 10:07:27,221 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:07:27,243 INFO L101 BaseMinimizeStates]: Removed 25 edges and 9 locations by large block encoding [2024-09-13 10:07:27,243 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:07:27,243 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 10:07:27,244 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 10:07:27,244 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 10:07:27,244 INFO L314 BlockEncoder]: Encoded RCFG 5 locations, 8 edges [2024-09-13 10:07:27,250 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 5 edges [2024-09-13 10:07:27,252 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 10:07:27,253 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 10:07:27,253 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 10:07:27,253 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 10:07:27,254 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:07:27,259 INFO L101 BaseMinimizeStates]: Removed 7 edges and 2 locations by large block encoding [2024-09-13 10:07:27,259 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:07:27,259 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 10:07:27,259 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 10:07:27,259 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 10:07:27,259 INFO L314 BlockEncoder]: Encoded RCFG 3 locations, 4 edges [2024-09-13 10:07:27,260 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.referee has thrown an exception: java.lang.AssertionError: Either subgraph not acyclic or there is a bug at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AcyclicSubgraphMerger.(AcyclicSubgraphMerger.java:169) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.InvariantChecker.(InvariantChecker.java:144) at de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeStarter.(RefereeStarter.java:56) at de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver.finish(RefereeObserver.java:80) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2024-09-13 10:07:27,263 INFO L158 Benchmark]: Toolchain (without parser) took 850.01ms. Allocated memory is still 184.5MB. Free memory was 114.1MB in the beginning and 122.7MB in the end (delta: -8.6MB). There was no memory consumed. Max. memory is 16.1GB. [2024-09-13 10:07:27,264 INFO L158 Benchmark]: CDTParser took 0.17ms. Allocated memory is still 184.5MB. Free memory is still 143.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-13 10:07:27,264 INFO L158 Benchmark]: Witness Parser took 0.11ms. Allocated memory is still 184.5MB. Free memory was 116.2MB in the beginning and 116.0MB in the end (delta: 223.8kB). There was no memory consumed. Max. memory is 16.1GB. [2024-09-13 10:07:27,264 INFO L158 Benchmark]: CACSL2BoogieTranslator took 247.40ms. Allocated memory is still 184.5MB. Free memory was 113.9MB in the beginning and 99.8MB in the end (delta: 14.1MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-09-13 10:07:27,265 INFO L158 Benchmark]: Boogie Preprocessor took 50.62ms. Allocated memory is still 184.5MB. Free memory was 99.8MB in the beginning and 97.8MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-09-13 10:07:27,265 INFO L158 Benchmark]: RCFGBuilder took 342.52ms. Allocated memory is still 184.5MB. Free memory was 97.6MB in the beginning and 147.6MB in the end (delta: -50.1MB). Peak memory consumption was 9.5MB. Max. memory is 16.1GB. [2024-09-13 10:07:27,267 INFO L158 Benchmark]: Referee took 205.23ms. Allocated memory is still 184.5MB. Free memory was 147.6MB in the beginning and 122.7MB in the end (delta: 24.9MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-09-13 10:07:27,269 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.referee: - ExceptionOrErrorResult: AssertionError: Either subgraph not acyclic or there is a bug de.uni_freiburg.informatik.ultimate.plugins.generator.referee: AssertionError: Either subgraph not acyclic or there is a bug: de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AcyclicSubgraphMerger.(AcyclicSubgraphMerger.java:169) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17ms. Allocated memory is still 184.5MB. Free memory is still 143.3MB. There was no memory consumed. Max. memory is 16.1GB. * Witness Parser took 0.11ms. Allocated memory is still 184.5MB. Free memory was 116.2MB in the beginning and 116.0MB in the end (delta: 223.8kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 247.40ms. Allocated memory is still 184.5MB. Free memory was 113.9MB in the beginning and 99.8MB in the end (delta: 14.1MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Preprocessor took 50.62ms. Allocated memory is still 184.5MB. Free memory was 99.8MB in the beginning and 97.8MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 342.52ms. Allocated memory is still 184.5MB. Free memory was 97.6MB in the beginning and 147.6MB in the end (delta: -50.1MB). Peak memory consumption was 9.5MB. Max. memory is 16.1GB. * Referee took 205.23ms. Allocated memory is still 184.5MB. Free memory was 147.6MB in the beginning and 122.7MB in the end (delta: 24.9MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-09-13 10:07:27,301 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... ### Bit-precise run ### This is Ultimate 0.2.4-dev-1d5fa63-m [2024-09-13 10:07:29,740 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-13 10:07:29,858 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Bitvector.epf [2024-09-13 10:07:29,870 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-13 10:07:29,871 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-13 10:07:29,917 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-13 10:07:29,917 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-13 10:07:29,923 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-13 10:07:29,924 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-13 10:07:29,924 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-13 10:07:29,924 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-13 10:07:29,925 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-13 10:07:29,925 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-13 10:07:29,926 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-13 10:07:29,926 INFO L153 SettingsManager]: * Use SBE=true [2024-09-13 10:07:29,926 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-13 10:07:29,926 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-13 10:07:29,927 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-13 10:07:29,927 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-13 10:07:29,927 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-13 10:07:29,927 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-13 10:07:29,935 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-13 10:07:29,936 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-13 10:07:29,936 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-09-13 10:07:29,936 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-09-13 10:07:29,936 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-13 10:07:29,936 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-09-13 10:07:29,937 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-13 10:07:29,937 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-13 10:07:29,937 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-13 10:07:29,937 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-13 10:07:29,937 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-13 10:07:29,938 INFO L153 SettingsManager]: * Future-live optimization=false [2024-09-13 10:07:29,938 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-13 10:07:29,938 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-13 10:07:29,938 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-13 10:07:29,938 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-13 10:07:29,939 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-13 10:07:29,939 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-13 10:07:29,939 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-09-13 10:07:29,946 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-09-13 10:07:29,947 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-13 10:07:29,947 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-13 10:07:29,947 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-13 10:07:29,947 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-13 10:07:29,947 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2024-09-13 10:07:29,948 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None [2024-09-13 10:07:30,435 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-13 10:07:30,483 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-13 10:07:30,489 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-13 10:07:30,493 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-13 10:07:30,494 INFO L274 PluginConnector]: CDTParser initialized [2024-09-13 10:07:30,495 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/loop-invgen/id_build.i.v+lhb-reducer.c [2024-09-13 10:07:32,300 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-13 10:07:32,524 INFO L384 CDTParser]: Found 1 translation units. [2024-09-13 10:07:32,526 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-invgen/id_build.i.v+lhb-reducer.c [2024-09-13 10:07:32,535 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/87795a114/655423657d71403e87cc780dabc94dc0/FLAG15c93985a [2024-09-13 10:07:32,880 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/87795a114/655423657d71403e87cc780dabc94dc0 [2024-09-13 10:07:32,882 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-13 10:07:32,883 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-13 10:07:32,884 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/automizer-verification-files/SV-COMP24_unreach-call/id_build.i.v+lhb-reducer.yml/witness-2.1.yml [2024-09-13 10:07:32,934 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-13 10:07:32,935 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-09-13 10:07:32,938 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-13 10:07:32,938 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-13 10:07:32,942 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-13 10:07:32,943 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.09 10:07:32" (1/2) ... [2024-09-13 10:07:32,943 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@706b7c23 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 10:07:32, skipping insertion in model container [2024-09-13 10:07:32,945 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.09 10:07:32" (1/2) ... [2024-09-13 10:07:32,946 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@7fe278c8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 10:07:32, skipping insertion in model container [2024-09-13 10:07:32,946 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 13.09 10:07:32" (2/2) ... [2024-09-13 10:07:32,946 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@706b7c23 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 13.09 10:07:32, skipping insertion in model container [2024-09-13 10:07:32,946 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 13.09 10:07:32" (2/2) ... [2024-09-13 10:07:32,955 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-13 10:07:32,956 INFO L1541 ArrayList]: Location invariant before [L39-L89] (((((long long) main__i + 1) <= main__nlen) && (\old(__return_100) == __return_100)) && (0 <= main__i)) [2024-09-13 10:07:32,956 INFO L1541 ArrayList]: Location invariant before [L23-L101] ((\old(__return_100) == __return_100) && (0 <= main__i)) [2024-09-13 10:07:32,956 INFO L1541 ArrayList]: Location invariant before [L55-L86] (((((long long) main__i + 1) <= main__nlen) && (\old(__return_100) == __return_100)) && (0 <= main__i)) [2024-09-13 10:07:32,972 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-13 10:07:33,121 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-invgen/id_build.i.v+lhb-reducer.c[854,867] [2024-09-13 10:07:33,126 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-invgen/id_build.i.v+lhb-reducer.c[1096,1109] [2024-09-13 10:07:33,132 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-invgen/id_build.i.v+lhb-reducer.c[1375,1388] [2024-09-13 10:07:33,136 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-13 10:07:33,151 INFO L200 MainTranslator]: Completed pre-run [2024-09-13 10:07:33,166 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-invgen/id_build.i.v+lhb-reducer.c[854,867] [2024-09-13 10:07:33,169 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-invgen/id_build.i.v+lhb-reducer.c[1096,1109] [2024-09-13 10:07:33,171 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-invgen/id_build.i.v+lhb-reducer.c[1375,1388] Start Parsing Local Start Parsing Local Start Parsing Local [2024-09-13 10:07:33,203 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-13 10:07:33,217 INFO L204 MainTranslator]: Completed translation [2024-09-13 10:07:33,218 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 13.09 10:07:33 WrapperNode [2024-09-13 10:07:33,218 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-13 10:07:33,219 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-13 10:07:33,220 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-13 10:07:33,220 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-13 10:07:33,231 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 13.09 10:07:33" (1/1) ... [2024-09-13 10:07:33,231 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 13.09 10:07:33" (1/1) ... [2024-09-13 10:07:33,238 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 13.09 10:07:33" (1/1) ... [2024-09-13 10:07:33,254 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-09-13 10:07:33,256 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 13.09 10:07:33" (1/1) ... [2024-09-13 10:07:33,256 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 13.09 10:07:33" (1/1) ... [2024-09-13 10:07:33,264 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 13.09 10:07:33" (1/1) ... [2024-09-13 10:07:33,270 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 13.09 10:07:33" (1/1) ... [2024-09-13 10:07:33,271 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 13.09 10:07:33" (1/1) ... [2024-09-13 10:07:33,271 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 13.09 10:07:33" (1/1) ... [2024-09-13 10:07:33,274 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-13 10:07:33,275 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-13 10:07:33,276 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-13 10:07:33,276 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-13 10:07:33,277 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 13.09 10:07:33" (1/1) ... [2024-09-13 10:07:33,285 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-13 10:07:33,308 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-09-13 10:07:33,361 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) [2024-09-13 10:07:33,366 INFO L327 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/referee/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-09-13 10:07:33,406 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-09-13 10:07:33,406 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-13 10:07:33,406 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-09-13 10:07:33,406 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-09-13 10:07:33,407 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-09-13 10:07:33,407 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-09-13 10:07:33,407 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-09-13 10:07:33,407 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-09-13 10:07:33,408 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-13 10:07:33,408 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-09-13 10:07:33,408 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-09-13 10:07:33,408 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2024-09-13 10:07:33,408 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-09-13 10:07:33,408 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-09-13 10:07:33,409 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-09-13 10:07:33,409 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-13 10:07:33,409 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#0 [2024-09-13 10:07:33,410 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#0 [2024-09-13 10:07:33,410 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-09-13 10:07:33,475 INFO L242 CfgBuilder]: Building ICFG [2024-09-13 10:07:33,477 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-13 10:07:33,644 INFO L291 CfgBuilder]: Performing block encoding [2024-09-13 10:07:33,684 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-13 10:07:33,684 INFO L318 CfgBuilder]: Removed 0 assume(true) statements. [2024-09-13 10:07:33,685 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.09 10:07:33 BoogieIcfgContainer [2024-09-13 10:07:33,685 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-13 10:07:33,685 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-09-13 10:07:33,686 INFO L270 PluginConnector]: Initializing Referee... [2024-09-13 10:07:33,687 INFO L274 PluginConnector]: Referee initialized [2024-09-13 10:07:33,687 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 13.09 10:07:32" (1/4) ... [2024-09-13 10:07:33,687 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@38d8c087 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 13.09 10:07:33, skipping insertion in model container [2024-09-13 10:07:33,688 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 13.09 10:07:32" (2/4) ... [2024-09-13 10:07:33,688 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@38d8c087 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 13.09 10:07:33, skipping insertion in model container [2024-09-13 10:07:33,689 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 13.09 10:07:33" (3/4) ... [2024-09-13 10:07:33,689 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@38d8c087 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 13.09 10:07:33, skipping insertion in model container [2024-09-13 10:07:33,689 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.09 10:07:33" (4/4) ... [2024-09-13 10:07:33,690 INFO L79 RefereeObserver]: Analyzing ICFG id_build.i.v+lhb-reducer.c [2024-09-13 10:07:33,693 INFO L112 InvariantChecker]: Found 0 loops. [2024-09-13 10:07:33,694 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr2ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 15 edges. [2024-09-13 10:07:33,694 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr4ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 15 edges. [2024-09-13 10:07:33,695 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr3ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 16 edges. [2024-09-13 10:07:33,695 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 5 edges. [2024-09-13 10:07:33,696 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr5ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 16 edges. [2024-09-13 10:07:33,696 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr1ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 7 edges. [2024-09-13 10:07:33,696 INFO L130 InvariantChecker]: Will check 6 loop-free subgraphs from procedure entry to error location [2024-09-13 10:07:33,744 INFO L314 BlockEncoder]: Initial Icfg 13 locations, 15 edges [2024-09-13 10:07:33,745 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 10:07:33,745 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 10:07:33,746 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 10:07:33,746 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 10:07:33,748 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:07:33,815 INFO L101 BaseMinimizeStates]: Removed 27 edges and 8 locations by large block encoding [2024-09-13 10:07:33,816 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:07:33,817 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 10:07:33,817 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 10:07:33,818 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 10:07:33,818 INFO L314 BlockEncoder]: Encoded RCFG 5 locations, 10 edges [2024-09-13 10:07:33,830 INFO L314 BlockEncoder]: Initial Icfg 13 locations, 15 edges [2024-09-13 10:07:33,834 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 10:07:33,834 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 10:07:33,835 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 10:07:33,835 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 10:07:33,835 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:07:33,864 INFO L101 BaseMinimizeStates]: Removed 24 edges and 8 locations by large block encoding [2024-09-13 10:07:33,864 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:07:33,865 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 10:07:33,865 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 10:07:33,865 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 10:07:33,865 INFO L314 BlockEncoder]: Encoded RCFG 5 locations, 9 edges [2024-09-13 10:07:33,875 INFO L314 BlockEncoder]: Initial Icfg 14 locations, 16 edges [2024-09-13 10:07:33,875 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 10:07:33,875 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 10:07:33,875 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 10:07:33,876 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 10:07:33,876 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:07:33,900 INFO L101 BaseMinimizeStates]: Removed 25 edges and 9 locations by large block encoding [2024-09-13 10:07:33,901 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:07:33,901 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 10:07:33,901 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 10:07:33,901 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 10:07:33,901 INFO L314 BlockEncoder]: Encoded RCFG 5 locations, 8 edges [2024-09-13 10:07:33,914 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 5 edges [2024-09-13 10:07:33,914 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 10:07:33,914 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 10:07:33,914 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 10:07:33,914 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 10:07:33,914 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:07:33,919 INFO L101 BaseMinimizeStates]: Removed 7 edges and 2 locations by large block encoding [2024-09-13 10:07:33,919 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:07:33,919 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 10:07:33,919 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 10:07:33,919 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 10:07:33,919 INFO L314 BlockEncoder]: Encoded RCFG 3 locations, 4 edges [2024-09-13 10:07:33,920 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.referee has thrown an exception: java.lang.AssertionError: Either subgraph not acyclic or there is a bug at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AcyclicSubgraphMerger.(AcyclicSubgraphMerger.java:169) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.InvariantChecker.(InvariantChecker.java:144) at de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeStarter.(RefereeStarter.java:56) at de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver.finish(RefereeObserver.java:80) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2024-09-13 10:07:33,924 INFO L158 Benchmark]: Toolchain (without parser) took 988.53ms. Allocated memory is still 75.5MB. Free memory was 51.0MB in the beginning and 32.1MB in the end (delta: 18.9MB). Peak memory consumption was 23.9MB. Max. memory is 16.1GB. [2024-09-13 10:07:33,924 INFO L158 Benchmark]: CDTParser took 0.19ms. Allocated memory is still 58.7MB. Free memory was 42.0MB in the beginning and 41.9MB in the end (delta: 47.0kB). There was no memory consumed. Max. memory is 16.1GB. [2024-09-13 10:07:33,925 INFO L158 Benchmark]: Witness Parser took 0.16ms. Allocated memory is still 75.5MB. Free memory is still 52.9MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-13 10:07:33,925 INFO L158 Benchmark]: CACSL2BoogieTranslator took 280.86ms. Allocated memory is still 75.5MB. Free memory was 50.8MB in the beginning and 36.3MB in the end (delta: 14.5MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-09-13 10:07:33,929 INFO L158 Benchmark]: Boogie Preprocessor took 55.30ms. Allocated memory is still 75.5MB. Free memory was 36.3MB in the beginning and 34.0MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-09-13 10:07:33,930 INFO L158 Benchmark]: RCFGBuilder took 409.71ms. Allocated memory is still 75.5MB. Free memory was 34.0MB in the beginning and 41.5MB in the end (delta: -7.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-09-13 10:07:33,930 INFO L158 Benchmark]: Referee took 237.24ms. Allocated memory is still 75.5MB. Free memory was 41.5MB in the beginning and 32.1MB in the end (delta: 9.4MB). Peak memory consumption was 14.2MB. Max. memory is 16.1GB. [2024-09-13 10:07:33,932 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.referee: - ExceptionOrErrorResult: AssertionError: Either subgraph not acyclic or there is a bug de.uni_freiburg.informatik.ultimate.plugins.generator.referee: AssertionError: Either subgraph not acyclic or there is a bug: de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AcyclicSubgraphMerger.(AcyclicSubgraphMerger.java:169) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19ms. Allocated memory is still 58.7MB. Free memory was 42.0MB in the beginning and 41.9MB in the end (delta: 47.0kB). There was no memory consumed. Max. memory is 16.1GB. * Witness Parser took 0.16ms. Allocated memory is still 75.5MB. Free memory is still 52.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 280.86ms. Allocated memory is still 75.5MB. Free memory was 50.8MB in the beginning and 36.3MB in the end (delta: 14.5MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Preprocessor took 55.30ms. Allocated memory is still 75.5MB. Free memory was 36.3MB in the beginning and 34.0MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 409.71ms. Allocated memory is still 75.5MB. Free memory was 34.0MB in the beginning and 41.5MB in the end (delta: -7.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Referee took 237.24ms. Allocated memory is still 75.5MB. Free memory was 41.5MB in the beginning and 32.1MB in the end (delta: 9.4MB). Peak memory consumption was 14.2MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-09-13 10:07:33,966 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...