This is Ultimate 0.2.4-tmp.dk.referee-eval-27b4987-m [2024-09-21 12:47:23,742 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-21 12:47:23,815 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Default.epf [2024-09-21 12:47:23,820 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-21 12:47:23,820 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-21 12:47:23,855 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-21 12:47:23,857 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-21 12:47:23,857 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-21 12:47:23,858 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-21 12:47:23,862 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-21 12:47:23,862 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-21 12:47:23,862 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-21 12:47:23,863 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-21 12:47:23,863 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-21 12:47:23,864 INFO L153 SettingsManager]: * Use SBE=true [2024-09-21 12:47:23,864 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-21 12:47:23,864 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-21 12:47:23,864 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-21 12:47:23,864 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-09-21 12:47:23,865 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-21 12:47:23,865 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-21 12:47:23,866 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-21 12:47:23,866 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-21 12:47:23,866 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-21 12:47:23,866 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-21 12:47:23,867 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-21 12:47:23,867 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-21 12:47:23,867 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-21 12:47:23,867 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-21 12:47:23,868 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-21 12:47:23,868 INFO L153 SettingsManager]: * Future-live optimization=false [2024-09-21 12:47:23,868 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-21 12:47:23,868 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-21 12:47:23,869 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-21 12:47:23,869 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-21 12:47:23,869 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-21 12:47:23,870 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-21 12:47:23,870 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-09-21 12:47:23,879 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-09-21 12:47:23,879 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-21 12:47:23,879 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-21 12:47:23,880 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-21 12:47:23,880 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-21 12:47:23,880 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/certificate-witnesses-artifact/referee/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None [2024-09-21 12:47:24,153 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-21 12:47:24,172 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-21 12:47:24,175 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-21 12:47:24,176 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-21 12:47:24,177 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-21 12:47:24,178 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/automizer-verification-files/SV-COMP24_unreach-call/id_build.i.p+nlh-reducer.yml/witness-2.1.yml [2024-09-21 12:47:24,238 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-21 12:47:24,239 INFO L274 PluginConnector]: CDTParser initialized [2024-09-21 12:47:24,240 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/loop-invgen/id_build.i.p+nlh-reducer.c [2024-09-21 12:47:25,726 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-21 12:47:26,008 INFO L384 CDTParser]: Found 1 translation units. [2024-09-21 12:47:26,009 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-invgen/id_build.i.p+nlh-reducer.c [2024-09-21 12:47:26,025 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/011d587d8/2a3f2e1540194134b715de2e84fdcf4e/FLAG4d1661b68 [2024-09-21 12:47:26,040 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/011d587d8/2a3f2e1540194134b715de2e84fdcf4e [2024-09-21 12:47:26,041 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-21 12:47:26,042 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-09-21 12:47:26,044 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-21 12:47:26,044 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-21 12:47:26,050 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-21 12:47:26,050 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 21.09 12:47:24" (1/2) ... [2024-09-21 12:47:26,051 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6981e55c and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 21.09 12:47:26, skipping insertion in model container [2024-09-21 12:47:26,051 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 21.09 12:47:24" (1/2) ... [2024-09-21 12:47:26,053 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@76b4d587 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 21.09 12:47:26, skipping insertion in model container [2024-09-21 12:47:26,053 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 12:47:26" (2/2) ... [2024-09-21 12:47:26,053 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6981e55c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:47:26, skipping insertion in model container [2024-09-21 12:47:26,053 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 12:47:26" (2/2) ... [2024-09-21 12:47:26,111 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-21 12:47:26,111 INFO L1541 ArrayList]: Location invariant before [L1542-L2164] (((\old(__return_1719) == __return_1719) && (((long long) main__i + 1) <= main__nlen)) && (0 <= main__i)) [2024-09-21 12:47:26,111 INFO L1541 ArrayList]: Location invariant before [L1742-L2092] (((\old(__return_1719) == __return_1719) && (((long long) main__i + 1) <= main__nlen)) && (0 <= main__i)) [2024-09-21 12:47:26,112 INFO L1541 ArrayList]: Location invariant before [L1754-L1805] (((\old(__return_1719) == __return_1719) && (((long long) main__i + 1) <= main__nlen)) && (0 <= main__i)) [2024-09-21 12:47:26,112 INFO L1541 ArrayList]: Location invariant before [L1304-L2242] (((\old(__return_1719) == __return_1719) && (((long long) main__i + 1) <= main__nlen)) && (0 <= main__i)) [2024-09-21 12:47:26,112 INFO L1541 ArrayList]: Location invariant before [L865-L2392] (((\old(__return_1719) == __return_1719) && (((long long) main__i + 1) <= main__nlen)) && (0 <= main__i)) [2024-09-21 12:47:26,112 INFO L1541 ArrayList]: Location invariant before [L1771-L1802] (((\old(__return_1719) == __return_1719) && (((long long) main__i + 1) <= main__nlen)) && (0 <= main__i)) [2024-09-21 12:47:26,112 INFO L1541 ArrayList]: Location invariant before [L1103-L2314] (((\old(__return_1719) == __return_1719) && (((long long) main__i + 1) <= main__nlen)) && (0 <= main__i)) [2024-09-21 12:47:26,112 INFO L1541 ArrayList]: Location invariant before [L664-L2464] (((\old(__return_1719) == __return_1719) && (((long long) main__i + 1) <= main__nlen)) && (0 <= main__i)) [2024-09-21 12:47:26,112 INFO L1541 ArrayList]: Location invariant before [L225-L2614] (((\old(__return_1719) == __return_1719) && (((long long) main__i + 1) <= main__nlen)) && (0 <= main__i)) [2024-09-21 12:47:26,112 INFO L1541 ArrayList]: Location invariant before [L426-L2542] (((\old(__return_1719) == __return_1719) && (((long long) main__i + 1) <= main__nlen)) && (0 <= main__i)) [2024-09-21 12:47:26,185 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-21 12:47:26,542 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-invgen/id_build.i.p+nlh-reducer.c[32736,32749] [2024-09-21 12:47:26,556 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-invgen/id_build.i.p+nlh-reducer.c[33038,33051] [2024-09-21 12:47:26,617 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-21 12:47:26,639 INFO L200 MainTranslator]: Completed pre-run [2024-09-21 12:47:26,764 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-invgen/id_build.i.p+nlh-reducer.c[32736,32749] [2024-09-21 12:47:26,768 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-invgen/id_build.i.p+nlh-reducer.c[33038,33051] Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local [2024-09-21 12:47:26,844 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-21 12:47:26,861 INFO L204 MainTranslator]: Completed translation [2024-09-21 12:47:26,861 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:47:26 WrapperNode [2024-09-21 12:47:26,861 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-21 12:47:26,862 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-21 12:47:26,862 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-21 12:47:26,862 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-21 12:47:26,875 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:47:26" (1/1) ... [2024-09-21 12:47:26,876 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:47:26" (1/1) ... [2024-09-21 12:47:26,894 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:47:26" (1/1) ... [2024-09-21 12:47:26,932 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]. [2024-09-21 12:47:26,932 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:47:26" (1/1) ... [2024-09-21 12:47:26,933 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:47:26" (1/1) ... [2024-09-21 12:47:26,964 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:47:26" (1/1) ... [2024-09-21 12:47:26,978 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:47:26" (1/1) ... [2024-09-21 12:47:26,990 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:47:26" (1/1) ... [2024-09-21 12:47:26,998 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:47:26" (1/1) ... [2024-09-21 12:47:27,012 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-21 12:47:27,014 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-21 12:47:27,014 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-21 12:47:27,014 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-21 12:47:27,015 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:47:26" (1/1) ... [2024-09-21 12:47:27,020 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-21 12:47:27,030 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-09-21 12:47:27,047 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/certificate-witnesses-artifact/referee/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-09-21 12:47:27,053 INFO L327 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/referee/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-09-21 12:47:27,097 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-09-21 12:47:27,098 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-21 12:47:27,098 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-09-21 12:47:27,098 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-09-21 12:47:27,098 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-09-21 12:47:27,099 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-09-21 12:47:27,099 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-09-21 12:47:27,099 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-09-21 12:47:27,099 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-21 12:47:27,099 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-09-21 12:47:27,099 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-09-21 12:47:27,099 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2024-09-21 12:47:27,099 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-09-21 12:47:27,099 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-09-21 12:47:27,100 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-09-21 12:47:27,100 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-21 12:47:27,100 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-09-21 12:47:27,100 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-09-21 12:47:27,101 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-09-21 12:47:27,232 INFO L242 CfgBuilder]: Building ICFG [2024-09-21 12:47:27,238 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-21 12:47:28,278 INFO L291 CfgBuilder]: Performing block encoding [2024-09-21 12:47:28,333 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-21 12:47:28,333 INFO L318 CfgBuilder]: Removed 0 assume(true) statements. [2024-09-21 12:47:28,334 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 12:47:28 BoogieIcfgContainer [2024-09-21 12:47:28,334 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-21 12:47:28,335 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-09-21 12:47:28,335 INFO L270 PluginConnector]: Initializing Referee... [2024-09-21 12:47:28,336 INFO L274 PluginConnector]: Referee initialized [2024-09-21 12:47:28,336 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 21.09 12:47:24" (1/4) ... [2024-09-21 12:47:28,336 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@382fcf6e and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 21.09 12:47:28, skipping insertion in model container [2024-09-21 12:47:28,337 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 21.09 12:47:26" (2/4) ... [2024-09-21 12:47:28,337 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@382fcf6e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 21.09 12:47:28, skipping insertion in model container [2024-09-21 12:47:28,337 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:47:26" (3/4) ... [2024-09-21 12:47:28,337 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@382fcf6e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 21.09 12:47:28, skipping insertion in model container [2024-09-21 12:47:28,337 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 12:47:28" (4/4) ... [2024-09-21 12:47:28,338 INFO L79 RefereeObserver]: Analyzing ICFG id_build.i.p+nlh-reducer.c [2024-09-21 12:47:28,341 INFO L113 InvariantChecker]: Found 0 loops. [2024-09-21 12:47:28,342 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr2ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 91 edges. [2024-09-21 12:47:28,343 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr4ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 155 edges. [2024-09-21 12:47:28,343 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr3ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 120 edges. [2024-09-21 12:47:28,344 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr5ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 184 edges. [2024-09-21 12:47:28,345 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr9ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 292 edges. [2024-09-21 12:47:28,345 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr6ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 219 edges. [2024-09-21 12:47:28,345 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 27 edges. [2024-09-21 12:47:28,346 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr7ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 244 edges. [2024-09-21 12:47:28,346 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr8ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 291 edges. [2024-09-21 12:47:28,346 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr10ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 291 edges. [2024-09-21 12:47:28,347 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr1ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 56 edges. [2024-09-21 12:47:28,347 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr11ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 292 edges. [2024-09-21 12:47:28,347 INFO L131 InvariantChecker]: Will check 12 loop-free subgraphs from procedure entry to error location [2024-09-21 12:47:28,469 INFO L314 BlockEncoder]: Initial Icfg 83 locations, 91 edges [2024-09-21 12:47:28,470 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 12:47:28,470 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 12:47:28,471 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 12:47:28,472 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 12:47:28,474 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:47:29,022 INFO L101 BaseMinimizeStates]: Removed 431 edges and 80 locations by large block encoding [2024-09-21 12:47:29,023 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:47:29,024 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 12:47:29,024 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 12:47:29,025 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 12:47:29,048 INFO L314 BlockEncoder]: Encoded RCFG 3 locations, 4 edges [2024-09-21 12:47:29,049 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.referee has thrown an exception: java.lang.AssertionError: Either subgraph not acyclic or there is a bug at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AcyclicSubgraphMerger.(AcyclicSubgraphMerger.java:169) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.InvariantChecker.(InvariantChecker.java:145) at de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeStarter.(RefereeStarter.java:56) at de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver.finish(RefereeObserver.java:80) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2024-09-21 12:47:29,053 INFO L158 Benchmark]: Toolchain (without parser) took 3010.40ms. Allocated memory was 115.3MB in the beginning and 192.9MB in the end (delta: 77.6MB). Free memory was 57.9MB in the beginning and 118.0MB in the end (delta: -60.1MB). Peak memory consumption was 104.4MB. Max. memory is 16.1GB. [2024-09-21 12:47:29,054 INFO L158 Benchmark]: Witness Parser took 0.31ms. Allocated memory is still 115.3MB. Free memory is still 84.8MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-21 12:47:29,055 INFO L158 Benchmark]: CDTParser took 1.47ms. Allocated memory is still 115.3MB. Free memory is still 82.6MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-21 12:47:29,056 INFO L158 Benchmark]: CACSL2BoogieTranslator took 817.92ms. Allocated memory was 115.3MB in the beginning and 157.3MB in the end (delta: 41.9MB). Free memory was 57.8MB in the beginning and 86.9MB in the end (delta: -29.1MB). Peak memory consumption was 19.7MB. Max. memory is 16.1GB. [2024-09-21 12:47:29,057 INFO L158 Benchmark]: Boogie Preprocessor took 150.20ms. Allocated memory is still 157.3MB. Free memory was 86.9MB in the beginning and 79.3MB in the end (delta: 7.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-09-21 12:47:29,057 INFO L158 Benchmark]: RCFGBuilder took 1320.24ms. Allocated memory was 157.3MB in the beginning and 192.9MB in the end (delta: 35.7MB). Free memory was 79.3MB in the beginning and 148.8MB in the end (delta: -69.5MB). Peak memory consumption was 45.5MB. Max. memory is 16.1GB. [2024-09-21 12:47:29,058 INFO L158 Benchmark]: Referee took 717.24ms. Allocated memory is still 192.9MB. Free memory was 148.8MB in the beginning and 119.1MB in the end (delta: 29.7MB). Peak memory consumption was 114.6MB. Max. memory is 16.1GB. [2024-09-21 12:47:29,060 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.referee: - ExceptionOrErrorResult: AssertionError: Either subgraph not acyclic or there is a bug de.uni_freiburg.informatik.ultimate.plugins.generator.referee: AssertionError: Either subgraph not acyclic or there is a bug: de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AcyclicSubgraphMerger.(AcyclicSubgraphMerger.java:169) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Witness Parser took 0.31ms. Allocated memory is still 115.3MB. Free memory is still 84.8MB. There was no memory consumed. Max. memory is 16.1GB. * CDTParser took 1.47ms. Allocated memory is still 115.3MB. Free memory is still 82.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 817.92ms. Allocated memory was 115.3MB in the beginning and 157.3MB in the end (delta: 41.9MB). Free memory was 57.8MB in the beginning and 86.9MB in the end (delta: -29.1MB). Peak memory consumption was 19.7MB. Max. memory is 16.1GB. * Boogie Preprocessor took 150.20ms. Allocated memory is still 157.3MB. Free memory was 86.9MB in the beginning and 79.3MB in the end (delta: 7.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 1320.24ms. Allocated memory was 157.3MB in the beginning and 192.9MB in the end (delta: 35.7MB). Free memory was 79.3MB in the beginning and 148.8MB in the end (delta: -69.5MB). Peak memory consumption was 45.5MB. Max. memory is 16.1GB. * Referee took 717.24ms. Allocated memory is still 192.9MB. Free memory was 148.8MB in the beginning and 119.1MB in the end (delta: 29.7MB). Peak memory consumption was 114.6MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-09-21 12:47:29,092 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-tmp.dk.referee-eval-27b4987-m [2024-09-21 12:47:31,377 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-21 12:47:31,463 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Bitvector.epf [2024-09-21 12:47:31,469 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-21 12:47:31,471 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-21 12:47:31,498 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-21 12:47:31,499 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-21 12:47:31,499 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-21 12:47:31,500 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-21 12:47:31,504 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-21 12:47:31,504 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-21 12:47:31,505 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-21 12:47:31,505 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-21 12:47:31,505 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-21 12:47:31,506 INFO L153 SettingsManager]: * Use SBE=true [2024-09-21 12:47:31,506 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-21 12:47:31,506 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-21 12:47:31,506 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-21 12:47:31,506 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-21 12:47:31,507 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-21 12:47:31,507 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-21 12:47:31,511 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-21 12:47:31,511 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-21 12:47:31,511 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-09-21 12:47:31,511 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-09-21 12:47:31,512 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-21 12:47:31,512 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-09-21 12:47:31,512 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-21 12:47:31,512 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-21 12:47:31,512 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-21 12:47:31,513 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-21 12:47:31,513 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-21 12:47:31,513 INFO L153 SettingsManager]: * Future-live optimization=false [2024-09-21 12:47:31,513 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-21 12:47:31,513 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-21 12:47:31,514 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-21 12:47:31,514 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-21 12:47:31,516 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-21 12:47:31,516 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-21 12:47:31,516 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-09-21 12:47:31,517 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-09-21 12:47:31,517 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-21 12:47:31,517 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-21 12:47:31,517 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-21 12:47:31,518 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-21 12:47:31,518 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2024-09-21 12:47:31,518 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/certificate-witnesses-artifact/referee/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None [2024-09-21 12:47:31,861 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-21 12:47:31,886 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-21 12:47:31,890 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-21 12:47:31,892 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-21 12:47:31,893 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-21 12:47:31,895 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/automizer-verification-files/SV-COMP24_unreach-call/id_build.i.p+nlh-reducer.yml/witness-2.1.yml [2024-09-21 12:47:31,960 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-21 12:47:31,961 INFO L274 PluginConnector]: CDTParser initialized [2024-09-21 12:47:31,961 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/loop-invgen/id_build.i.p+nlh-reducer.c [2024-09-21 12:47:33,618 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-21 12:47:33,896 INFO L384 CDTParser]: Found 1 translation units. [2024-09-21 12:47:33,900 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-invgen/id_build.i.p+nlh-reducer.c [2024-09-21 12:47:33,920 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/8648d1446/dc57ba9da8c44d84aae485898cdf5486/FLAG6ed9a6d42 [2024-09-21 12:47:34,196 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/8648d1446/dc57ba9da8c44d84aae485898cdf5486 [2024-09-21 12:47:34,197 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-21 12:47:34,199 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-09-21 12:47:34,201 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-21 12:47:34,201 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-21 12:47:34,207 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-21 12:47:34,208 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 21.09 12:47:31" (1/2) ... [2024-09-21 12:47:34,209 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@199f4156 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 21.09 12:47:34, skipping insertion in model container [2024-09-21 12:47:34,212 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 21.09 12:47:31" (1/2) ... [2024-09-21 12:47:34,214 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@5cc6dee1 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 21.09 12:47:34, skipping insertion in model container [2024-09-21 12:47:34,214 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 12:47:34" (2/2) ... [2024-09-21 12:47:34,215 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@199f4156 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:47:34, skipping insertion in model container [2024-09-21 12:47:34,215 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 12:47:34" (2/2) ... [2024-09-21 12:47:34,263 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-21 12:47:34,264 INFO L1541 ArrayList]: Location invariant before [L1304-L2242] (((\old(__return_1719) == __return_1719) && (((long long) main__i + 1) <= main__nlen)) && (0 <= main__i)) [2024-09-21 12:47:34,264 INFO L1541 ArrayList]: Location invariant before [L664-L2464] (((\old(__return_1719) == __return_1719) && (((long long) main__i + 1) <= main__nlen)) && (0 <= main__i)) [2024-09-21 12:47:34,264 INFO L1541 ArrayList]: Location invariant before [L225-L2614] (((\old(__return_1719) == __return_1719) && (((long long) main__i + 1) <= main__nlen)) && (0 <= main__i)) [2024-09-21 12:47:34,264 INFO L1541 ArrayList]: Location invariant before [L1103-L2314] (((\old(__return_1719) == __return_1719) && (((long long) main__i + 1) <= main__nlen)) && (0 <= main__i)) [2024-09-21 12:47:34,264 INFO L1541 ArrayList]: Location invariant before [L1771-L1802] (((\old(__return_1719) == __return_1719) && (((long long) main__i + 1) <= main__nlen)) && (0 <= main__i)) [2024-09-21 12:47:34,265 INFO L1541 ArrayList]: Location invariant before [L1754-L1805] (((\old(__return_1719) == __return_1719) && (((long long) main__i + 1) <= main__nlen)) && (0 <= main__i)) [2024-09-21 12:47:34,265 INFO L1541 ArrayList]: Location invariant before [L426-L2542] (((\old(__return_1719) == __return_1719) && (((long long) main__i + 1) <= main__nlen)) && (0 <= main__i)) [2024-09-21 12:47:34,265 INFO L1541 ArrayList]: Location invariant before [L865-L2392] (((\old(__return_1719) == __return_1719) && (((long long) main__i + 1) <= main__nlen)) && (0 <= main__i)) [2024-09-21 12:47:34,265 INFO L1541 ArrayList]: Location invariant before [L1542-L2164] (((\old(__return_1719) == __return_1719) && (((long long) main__i + 1) <= main__nlen)) && (0 <= main__i)) [2024-09-21 12:47:34,265 INFO L1541 ArrayList]: Location invariant before [L1742-L2092] (((\old(__return_1719) == __return_1719) && (((long long) main__i + 1) <= main__nlen)) && (0 <= main__i)) [2024-09-21 12:47:34,336 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-21 12:47:34,742 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-invgen/id_build.i.p+nlh-reducer.c[32736,32749] [2024-09-21 12:47:34,754 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-invgen/id_build.i.p+nlh-reducer.c[33038,33051] [2024-09-21 12:47:34,832 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-21 12:47:34,849 INFO L200 MainTranslator]: Completed pre-run [2024-09-21 12:47:34,967 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-invgen/id_build.i.p+nlh-reducer.c[32736,32749] [2024-09-21 12:47:34,974 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-invgen/id_build.i.p+nlh-reducer.c[33038,33051] Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local [2024-09-21 12:47:35,059 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-21 12:47:35,073 INFO L204 MainTranslator]: Completed translation [2024-09-21 12:47:35,073 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:47:35 WrapperNode [2024-09-21 12:47:35,074 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-21 12:47:35,074 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-21 12:47:35,075 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-21 12:47:35,075 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-21 12:47:35,086 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:47:35" (1/1) ... [2024-09-21 12:47:35,087 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:47:35" (1/1) ... [2024-09-21 12:47:35,107 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:47:35" (1/1) ... [2024-09-21 12:47:35,131 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]. [2024-09-21 12:47:35,131 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:47:35" (1/1) ... [2024-09-21 12:47:35,131 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:47:35" (1/1) ... [2024-09-21 12:47:35,163 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:47:35" (1/1) ... [2024-09-21 12:47:35,176 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:47:35" (1/1) ... [2024-09-21 12:47:35,180 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:47:35" (1/1) ... [2024-09-21 12:47:35,185 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:47:35" (1/1) ... [2024-09-21 12:47:35,192 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-21 12:47:35,193 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-21 12:47:35,193 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-21 12:47:35,194 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-21 12:47:35,194 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:47:35" (1/1) ... [2024-09-21 12:47:35,201 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-21 12:47:35,212 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-09-21 12:47:35,247 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/certificate-witnesses-artifact/referee/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-09-21 12:47:35,263 INFO L327 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/referee/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-09-21 12:47:35,349 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-09-21 12:47:35,349 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-21 12:47:35,349 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-09-21 12:47:35,349 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-09-21 12:47:35,349 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-09-21 12:47:35,349 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-09-21 12:47:35,349 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-09-21 12:47:35,349 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-09-21 12:47:35,349 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-21 12:47:35,350 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-09-21 12:47:35,350 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-09-21 12:47:35,350 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2024-09-21 12:47:35,350 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-09-21 12:47:35,350 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-09-21 12:47:35,350 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-09-21 12:47:35,350 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-21 12:47:35,350 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#0 [2024-09-21 12:47:35,350 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#0 [2024-09-21 12:47:35,350 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-09-21 12:47:35,502 INFO L242 CfgBuilder]: Building ICFG [2024-09-21 12:47:35,504 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-21 12:47:37,079 INFO L291 CfgBuilder]: Performing block encoding [2024-09-21 12:47:37,137 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-21 12:47:37,141 INFO L318 CfgBuilder]: Removed 0 assume(true) statements. [2024-09-21 12:47:37,141 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 12:47:37 BoogieIcfgContainer [2024-09-21 12:47:37,141 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-21 12:47:37,142 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-09-21 12:47:37,142 INFO L270 PluginConnector]: Initializing Referee... [2024-09-21 12:47:37,143 INFO L274 PluginConnector]: Referee initialized [2024-09-21 12:47:37,143 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 21.09 12:47:31" (1/4) ... [2024-09-21 12:47:37,144 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@41c371bd and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 21.09 12:47:37, skipping insertion in model container [2024-09-21 12:47:37,145 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 21.09 12:47:34" (2/4) ... [2024-09-21 12:47:37,146 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@41c371bd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 21.09 12:47:37, skipping insertion in model container [2024-09-21 12:47:37,146 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:47:35" (3/4) ... [2024-09-21 12:47:37,146 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@41c371bd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 21.09 12:47:37, skipping insertion in model container [2024-09-21 12:47:37,146 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 12:47:37" (4/4) ... [2024-09-21 12:47:37,148 INFO L79 RefereeObserver]: Analyzing ICFG id_build.i.p+nlh-reducer.c [2024-09-21 12:47:37,153 INFO L113 InvariantChecker]: Found 0 loops. [2024-09-21 12:47:37,154 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr2ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 91 edges. [2024-09-21 12:47:37,155 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr4ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 155 edges. [2024-09-21 12:47:37,156 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr3ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 120 edges. [2024-09-21 12:47:37,156 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr5ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 184 edges. [2024-09-21 12:47:37,157 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr9ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 292 edges. [2024-09-21 12:47:37,158 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr6ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 219 edges. [2024-09-21 12:47:37,158 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 27 edges. [2024-09-21 12:47:37,159 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr7ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 244 edges. [2024-09-21 12:47:37,159 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr8ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 291 edges. [2024-09-21 12:47:37,160 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr10ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 291 edges. [2024-09-21 12:47:37,160 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr1ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 56 edges. [2024-09-21 12:47:37,160 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr11ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 292 edges. [2024-09-21 12:47:37,161 INFO L131 InvariantChecker]: Will check 12 loop-free subgraphs from procedure entry to error location [2024-09-21 12:47:37,286 INFO L314 BlockEncoder]: Initial Icfg 83 locations, 91 edges [2024-09-21 12:47:37,287 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 12:47:37,288 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 12:47:37,288 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 12:47:37,289 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 12:47:37,291 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:47:38,083 INFO L101 BaseMinimizeStates]: Removed 431 edges and 80 locations by large block encoding [2024-09-21 12:47:38,085 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:47:38,088 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 12:47:38,088 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 12:47:38,089 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 12:47:38,115 INFO L314 BlockEncoder]: Encoded RCFG 3 locations, 4 edges [2024-09-21 12:47:38,117 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.referee has thrown an exception: java.lang.AssertionError: Either subgraph not acyclic or there is a bug at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AcyclicSubgraphMerger.(AcyclicSubgraphMerger.java:169) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.InvariantChecker.(InvariantChecker.java:145) at de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeStarter.(RefereeStarter.java:56) at de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver.finish(RefereeObserver.java:80) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2024-09-21 12:47:38,122 INFO L158 Benchmark]: Toolchain (without parser) took 3922.97ms. Allocated memory was 67.1MB in the beginning and 134.2MB in the end (delta: 67.1MB). Free memory was 26.1MB in the beginning and 66.6MB in the end (delta: -40.4MB). Peak memory consumption was 64.1MB. Max. memory is 16.1GB. [2024-09-21 12:47:38,123 INFO L158 Benchmark]: Witness Parser took 0.20ms. Allocated memory is still 44.0MB. Free memory was 20.8MB in the beginning and 20.7MB in the end (delta: 42.0kB). There was no memory consumed. Max. memory is 16.1GB. [2024-09-21 12:47:38,123 INFO L158 Benchmark]: CDTParser took 0.11ms. Allocated memory is still 67.1MB. Free memory was 50.0MB in the beginning and 49.9MB in the end (delta: 73.9kB). There was no memory consumed. Max. memory is 16.1GB. [2024-09-21 12:47:38,124 INFO L158 Benchmark]: CACSL2BoogieTranslator took 872.77ms. Allocated memory was 67.1MB in the beginning and 88.1MB in the end (delta: 21.0MB). Free memory was 25.9MB in the beginning and 47.3MB in the end (delta: -21.5MB). Peak memory consumption was 12.4MB. Max. memory is 16.1GB. [2024-09-21 12:47:38,125 INFO L158 Benchmark]: Boogie Preprocessor took 118.20ms. Allocated memory is still 88.1MB. Free memory was 47.3MB in the beginning and 38.9MB in the end (delta: 8.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-09-21 12:47:38,125 INFO L158 Benchmark]: RCFGBuilder took 1948.04ms. Allocated memory was 88.1MB in the beginning and 111.1MB in the end (delta: 23.1MB). Free memory was 38.9MB in the beginning and 57.5MB in the end (delta: -18.6MB). Peak memory consumption was 13.1MB. Max. memory is 16.1GB. [2024-09-21 12:47:38,126 INFO L158 Benchmark]: Referee took 978.90ms. Allocated memory was 111.1MB in the beginning and 134.2MB in the end (delta: 23.1MB). Free memory was 57.5MB in the beginning and 66.6MB in the end (delta: -9.1MB). Peak memory consumption was 48.2MB. Max. memory is 16.1GB. [2024-09-21 12:47:38,129 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.referee: - ExceptionOrErrorResult: AssertionError: Either subgraph not acyclic or there is a bug de.uni_freiburg.informatik.ultimate.plugins.generator.referee: AssertionError: Either subgraph not acyclic or there is a bug: de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AcyclicSubgraphMerger.(AcyclicSubgraphMerger.java:169) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Witness Parser took 0.20ms. Allocated memory is still 44.0MB. Free memory was 20.8MB in the beginning and 20.7MB in the end (delta: 42.0kB). There was no memory consumed. Max. memory is 16.1GB. * CDTParser took 0.11ms. Allocated memory is still 67.1MB. Free memory was 50.0MB in the beginning and 49.9MB in the end (delta: 73.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 872.77ms. Allocated memory was 67.1MB in the beginning and 88.1MB in the end (delta: 21.0MB). Free memory was 25.9MB in the beginning and 47.3MB in the end (delta: -21.5MB). Peak memory consumption was 12.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 118.20ms. Allocated memory is still 88.1MB. Free memory was 47.3MB in the beginning and 38.9MB in the end (delta: 8.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 1948.04ms. Allocated memory was 88.1MB in the beginning and 111.1MB in the end (delta: 23.1MB). Free memory was 38.9MB in the beginning and 57.5MB in the end (delta: -18.6MB). Peak memory consumption was 13.1MB. Max. memory is 16.1GB. * Referee took 978.90ms. Allocated memory was 111.1MB in the beginning and 134.2MB in the end (delta: 23.1MB). Free memory was 57.5MB in the beginning and 66.6MB in the end (delta: -9.1MB). Peak memory consumption was 48.2MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-09-21 12:47:38,163 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...