This is Ultimate 0.2.4-tmp.dk.referee-eval-27b4987-m [2024-09-21 12:47:23,973 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-21 12:47:24,024 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Default.epf [2024-09-21 12:47:24,034 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-21 12:47:24,035 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-21 12:47:24,067 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-21 12:47:24,068 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-21 12:47:24,068 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-21 12:47:24,069 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-21 12:47:24,069 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-21 12:47:24,069 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-21 12:47:24,070 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-21 12:47:24,071 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-21 12:47:24,075 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-21 12:47:24,075 INFO L153 SettingsManager]: * Use SBE=true [2024-09-21 12:47:24,076 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-21 12:47:24,076 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-21 12:47:24,076 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-21 12:47:24,076 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-09-21 12:47:24,077 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-21 12:47:24,077 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-21 12:47:24,077 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-21 12:47:24,079 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-21 12:47:24,079 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-21 12:47:24,079 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-21 12:47:24,079 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-21 12:47:24,080 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-21 12:47:24,080 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-21 12:47:24,080 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-21 12:47:24,080 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-21 12:47:24,081 INFO L153 SettingsManager]: * Future-live optimization=false [2024-09-21 12:47:24,081 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-21 12:47:24,081 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-21 12:47:24,082 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-21 12:47:24,082 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-21 12:47:24,082 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-21 12:47:24,083 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-21 12:47:24,083 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-09-21 12:47:24,083 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-09-21 12:47:24,084 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-21 12:47:24,084 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-21 12:47:24,084 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-21 12:47:24,084 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-21 12:47:24,084 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None [2024-09-21 12:47:24,384 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-21 12:47:24,408 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-21 12:47:24,412 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-21 12:47:24,414 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-21 12:47:24,415 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-21 12:47:24,417 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/automizer-verification-files/SV-COMP24_unreach-call/id_build.i.p+sep-reducer.yml/witness-2.1.yml [2024-09-21 12:47:24,495 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-21 12:47:24,495 INFO L274 PluginConnector]: CDTParser initialized [2024-09-21 12:47:24,496 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/loop-invgen/id_build.i.p+sep-reducer.c [2024-09-21 12:47:25,922 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-21 12:47:26,193 INFO L384 CDTParser]: Found 1 translation units. [2024-09-21 12:47:26,194 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-invgen/id_build.i.p+sep-reducer.c [2024-09-21 12:47:26,216 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/755eca3d3/94d5a317dac648b6bc5ac1a18444ea3f/FLAG9e8f255a3 [2024-09-21 12:47:26,513 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/755eca3d3/94d5a317dac648b6bc5ac1a18444ea3f [2024-09-21 12:47:26,514 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-21 12:47:26,515 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-09-21 12:47:26,516 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-21 12:47:26,516 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-21 12:47:26,523 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-21 12:47:26,523 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 12:47:26,524 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@491c9c1d 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 12:47:26,524 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 12:47:26,526 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@73748dc9 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 12:47:26,526 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 12:47:26" (2/2) ... [2024-09-21 12:47:26,527 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@491c9c1d 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 12:47:26,527 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 12:47:26" (2/2) ... [2024-09-21 12:47:26,572 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-21 12:47:26,572 INFO L1541 ArrayList]: Location invariant before [L1782-L2412] (((\old(__return_1135) == __return_1135) && (((long long) main__i + 1) <= main__nlen)) && (0 <= main__i)) [2024-09-21 12:47:26,572 INFO L1541 ArrayList]: Location invariant before [L1060-L2567] ((\old(__return_1135) == __return_1135) && (0 <= main__i)) [2024-09-21 12:47:26,573 INFO L1541 ArrayList]: Location invariant before [L426-L461] (((\old(__return_1135) == __return_1135) && (((long long) main__i + 1) <= main__nlen)) && (0 <= main__i)) [2024-09-21 12:47:26,573 INFO L1541 ArrayList]: Location invariant before [L1579-L2489] ((\old(__return_1135) == __return_1135) && (0 <= main__i)) [2024-09-21 12:47:26,573 INFO L1541 ArrayList]: Location invariant before [L2300-L2300] (((\old(__return_1135) == __return_1135) && (((long long) main__i + 1) <= main__nlen)) && (0 <= main__i)) [2024-09-21 12:47:26,573 INFO L1541 ArrayList]: Location invariant before [L2098-L2411] ((\old(__return_1135) == __return_1135) && (0 <= main__i)) [2024-09-21 12:47:26,573 INFO L1541 ArrayList]: Location invariant before [L541-L2645] ((\old(__return_1135) == __return_1135) && (0 <= main__i)) [2024-09-21 12:47:26,573 INFO L1541 ArrayList]: Location invariant before [L1464-L1499] (((\old(__return_1135) == __return_1135) && (((long long) main__i + 1) <= main__nlen)) && (0 <= main__i)) [2024-09-21 12:47:26,574 INFO L1541 ArrayList]: Location invariant before [L945-L980] (((\old(__return_1135) == __return_1135) && (((long long) main__i + 1) <= main__nlen)) && (0 <= main__i)) [2024-09-21 12:47:26,574 INFO L1541 ArrayList]: Location invariant before [L2303-L2334] (((\old(__return_1135) == __return_1135) && (((long long) main__i + 1) <= main__nlen)) && (0 <= main__i)) [2024-09-21 12:47:26,634 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-21 12:47:26,966 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+sep-reducer.c[34383,34396] [2024-09-21 12:47:26,990 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+sep-reducer.c[39106,39119] [2024-09-21 12:47:27,006 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-21 12:47:27,026 INFO L200 MainTranslator]: Completed pre-run Start Parsing Local Start Parsing Local Start Parsing Local [2024-09-21 12:47:27,211 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+sep-reducer.c[34383,34396] Start Parsing Local [2024-09-21 12:47:27,230 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+sep-reducer.c[39106,39119] Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local [2024-09-21 12:47:27,256 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-21 12:47:27,273 INFO L204 MainTranslator]: Completed translation [2024-09-21 12:47:27,274 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:47:27 WrapperNode [2024-09-21 12:47:27,274 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-21 12:47:27,275 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-21 12:47:27,275 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-21 12:47:27,275 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-21 12:47:27,290 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:47:27" (1/1) ... [2024-09-21 12:47:27,291 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:47:27" (1/1) ... [2024-09-21 12:47:27,324 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:47:27" (1/1) ... [2024-09-21 12:47:27,376 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 12:47:27,377 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:47:27" (1/1) ... [2024-09-21 12:47:27,377 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:47:27" (1/1) ... [2024-09-21 12:47:27,413 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:47:27" (1/1) ... [2024-09-21 12:47:27,433 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:47:27" (1/1) ... [2024-09-21 12:47:27,441 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:47:27" (1/1) ... [2024-09-21 12:47:27,450 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:47:27" (1/1) ... [2024-09-21 12:47:27,463 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-21 12:47:27,464 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-21 12:47:27,464 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-21 12:47:27,464 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-21 12:47:27,465 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:47:27" (1/1) ... [2024-09-21 12:47:27,472 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-21 12:47:27,482 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-09-21 12:47:27,499 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 12:47:27,501 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 12:47:27,546 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-09-21 12:47:27,546 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-21 12:47:27,546 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-09-21 12:47:27,546 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-09-21 12:47:27,547 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-09-21 12:47:27,547 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-09-21 12:47:27,547 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-09-21 12:47:27,547 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-09-21 12:47:27,547 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-21 12:47:27,547 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-09-21 12:47:27,547 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-09-21 12:47:27,548 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2024-09-21 12:47:27,548 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-09-21 12:47:27,548 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-09-21 12:47:27,548 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-09-21 12:47:27,548 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-21 12:47:27,548 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-09-21 12:47:27,548 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-09-21 12:47:27,549 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-09-21 12:47:27,703 INFO L242 CfgBuilder]: Building ICFG [2024-09-21 12:47:27,705 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-21 12:47:28,785 INFO L291 CfgBuilder]: Performing block encoding [2024-09-21 12:47:28,840 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-21 12:47:28,840 INFO L318 CfgBuilder]: Removed 0 assume(true) statements. [2024-09-21 12:47:28,840 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 12:47:28 BoogieIcfgContainer [2024-09-21 12:47:28,840 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-21 12:47:28,841 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-09-21 12:47:28,841 INFO L270 PluginConnector]: Initializing Referee... [2024-09-21 12:47:28,844 INFO L274 PluginConnector]: Referee initialized [2024-09-21 12:47:28,844 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 12:47:28,845 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@61ac538a 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 12:47:28,845 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 21.09 12:47:26" (2/4) ... [2024-09-21 12:47:28,845 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@61ac538a 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 12:47:28,846 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:47:27" (3/4) ... [2024-09-21 12:47:28,847 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@61ac538a 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 12:47:28,847 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 12:47:28,848 INFO L79 RefereeObserver]: Analyzing ICFG id_build.i.p+sep-reducer.c [2024-09-21 12:47:28,851 INFO L113 InvariantChecker]: Found 0 loops. [2024-09-21 12:47:28,853 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr2ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 118 edges. [2024-09-21 12:47:28,853 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr4ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 181 edges. [2024-09-21 12:47:28,854 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr9ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 287 edges. [2024-09-21 12:47:28,854 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr3ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 127 edges. [2024-09-21 12:47:28,855 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr5ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 190 edges. [2024-09-21 12:47:28,857 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr6ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 216 edges. [2024-09-21 12:47:28,857 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 55 edges. [2024-09-21 12:47:28,858 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr7ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 288 edges. [2024-09-21 12:47:28,858 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr8ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 250 edges. [2024-09-21 12:47:28,859 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr10ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 287 edges. [2024-09-21 12:47:28,859 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr1ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 64 edges. [2024-09-21 12:47:28,859 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr11ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 288 edges. [2024-09-21 12:47:28,860 INFO L131 InvariantChecker]: Will check 12 loop-free subgraphs from procedure entry to error location [2024-09-21 12:47:29,054 INFO L314 BlockEncoder]: Initial Icfg 109 locations, 118 edges [2024-09-21 12:47:29,055 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 12:47:29,056 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 12:47:29,056 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 12:47:29,058 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 12:47:29,060 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:47:29,946 INFO L101 BaseMinimizeStates]: Removed 710 edges and 105 locations by large block encoding [2024-09-21 12:47:29,948 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:47:29,949 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 12:47:29,950 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 12:47:29,950 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 12:47:30,039 INFO L314 BlockEncoder]: Encoded RCFG 4 locations, 8 edges [2024-09-21 12:47:30,040 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 12:47:30,047 INFO L158 Benchmark]: Toolchain (without parser) took 3529.22ms. Allocated memory was 172.0MB in the beginning and 211.8MB in the end (delta: 39.8MB). Free memory was 130.4MB in the beginning and 140.5MB in the end (delta: -10.1MB). Peak memory consumption was 127.4MB. Max. memory is 16.1GB. [2024-09-21 12:47:30,047 INFO L158 Benchmark]: Witness Parser took 0.27ms. Allocated memory is still 117.4MB. Free memory is still 90.7MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-21 12:47:30,048 INFO L158 Benchmark]: CDTParser took 0.10ms. Allocated memory is still 117.4MB. Free memory is still 88.5MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-21 12:47:30,048 INFO L158 Benchmark]: CACSL2BoogieTranslator took 757.76ms. Allocated memory is still 172.0MB. Free memory was 130.4MB in the beginning and 85.5MB in the end (delta: 44.9MB). Peak memory consumption was 44.0MB. Max. memory is 16.1GB. [2024-09-21 12:47:30,050 INFO L158 Benchmark]: Boogie Preprocessor took 188.27ms. Allocated memory is still 172.0MB. Free memory was 85.5MB in the beginning and 78.0MB in the end (delta: 7.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-09-21 12:47:30,050 INFO L158 Benchmark]: RCFGBuilder took 1376.59ms. Allocated memory is still 172.0MB. Free memory was 77.4MB in the beginning and 58.9MB in the end (delta: 18.5MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2024-09-21 12:47:30,051 INFO L158 Benchmark]: Referee took 1202.61ms. Allocated memory was 172.0MB in the beginning and 211.8MB in the end (delta: 39.8MB). Free memory was 58.1MB in the beginning and 140.5MB in the end (delta: -82.4MB). Peak memory consumption was 57.7MB. Max. memory is 16.1GB. [2024-09-21 12:47:30,054 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 0.27ms. Allocated memory is still 117.4MB. Free memory is still 90.7MB. There was no memory consumed. Max. memory is 16.1GB. * CDTParser took 0.10ms. Allocated memory is still 117.4MB. Free memory is still 88.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 757.76ms. Allocated memory is still 172.0MB. Free memory was 130.4MB in the beginning and 85.5MB in the end (delta: 44.9MB). Peak memory consumption was 44.0MB. Max. memory is 16.1GB. * Boogie Preprocessor took 188.27ms. Allocated memory is still 172.0MB. Free memory was 85.5MB in the beginning and 78.0MB in the end (delta: 7.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 1376.59ms. Allocated memory is still 172.0MB. Free memory was 77.4MB in the beginning and 58.9MB in the end (delta: 18.5MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * Referee took 1202.61ms. Allocated memory was 172.0MB in the beginning and 211.8MB in the end (delta: 39.8MB). Free memory was 58.1MB in the beginning and 140.5MB in the end (delta: -82.4MB). Peak memory consumption was 57.7MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-09-21 12:47:30,088 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 12:47:32,367 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-21 12:47:32,457 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Bitvector.epf [2024-09-21 12:47:32,466 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-21 12:47:32,466 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-21 12:47:32,495 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-21 12:47:32,496 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-21 12:47:32,496 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-21 12:47:32,497 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-21 12:47:32,500 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-21 12:47:32,501 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-21 12:47:32,501 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-21 12:47:32,502 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-21 12:47:32,502 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-21 12:47:32,502 INFO L153 SettingsManager]: * Use SBE=true [2024-09-21 12:47:32,503 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-21 12:47:32,503 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-21 12:47:32,504 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-21 12:47:32,504 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-21 12:47:32,505 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-21 12:47:32,505 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-21 12:47:32,505 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-21 12:47:32,505 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-21 12:47:32,506 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-09-21 12:47:32,506 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-09-21 12:47:32,506 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-21 12:47:32,506 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-09-21 12:47:32,507 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-21 12:47:32,507 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-21 12:47:32,507 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-21 12:47:32,507 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-21 12:47:32,508 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-21 12:47:32,508 INFO L153 SettingsManager]: * Future-live optimization=false [2024-09-21 12:47:32,508 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-21 12:47:32,508 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-21 12:47:32,509 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-21 12:47:32,509 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-21 12:47:32,512 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-21 12:47:32,513 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-21 12:47:32,513 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-09-21 12:47:32,513 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-09-21 12:47:32,513 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-21 12:47:32,514 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-21 12:47:32,514 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-21 12:47:32,514 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-21 12:47:32,515 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2024-09-21 12:47:32,515 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None [2024-09-21 12:47:32,854 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-21 12:47:32,880 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-21 12:47:32,884 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-21 12:47:32,885 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-21 12:47:32,885 INFO L274 PluginConnector]: CDTParser initialized [2024-09-21 12:47:32,887 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/loop-invgen/id_build.i.p+sep-reducer.c [2024-09-21 12:47:34,304 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-21 12:47:34,634 INFO L384 CDTParser]: Found 1 translation units. [2024-09-21 12:47:34,634 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-invgen/id_build.i.p+sep-reducer.c [2024-09-21 12:47:34,667 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/b9de305a1/ff0f2ce0c5b446cd913502d004fedaf6/FLAGcb18da781 [2024-09-21 12:47:34,687 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/b9de305a1/ff0f2ce0c5b446cd913502d004fedaf6 [2024-09-21 12:47:34,690 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-21 12:47:34,691 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-21 12:47:34,693 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/automizer-verification-files/SV-COMP24_unreach-call/id_build.i.p+sep-reducer.yml/witness-2.1.yml [2024-09-21 12:47:34,765 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-21 12:47:34,767 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-09-21 12:47:34,768 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-21 12:47:34,769 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-21 12:47:34,773 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-21 12:47:34,774 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 12:47:34" (1/2) ... [2024-09-21 12:47:34,775 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3ca3d75a 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 12:47:34,779 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 12:47:34" (1/2) ... [2024-09-21 12:47:34,781 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@7f8e5d8c 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 12:47:34,781 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 12:47:34" (2/2) ... [2024-09-21 12:47:34,781 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3ca3d75a 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 12:47:34,781 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 12:47:34" (2/2) ... [2024-09-21 12:47:34,830 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-21 12:47:34,832 INFO L1541 ArrayList]: Location invariant before [L1579-L2489] ((\old(__return_1135) == __return_1135) && (0 <= main__i)) [2024-09-21 12:47:34,833 INFO L1541 ArrayList]: Location invariant before [L1782-L2412] (((\old(__return_1135) == __return_1135) && (((long long) main__i + 1) <= main__nlen)) && (0 <= main__i)) [2024-09-21 12:47:34,833 INFO L1541 ArrayList]: Location invariant before [L1060-L2567] ((\old(__return_1135) == __return_1135) && (0 <= main__i)) [2024-09-21 12:47:34,833 INFO L1541 ArrayList]: Location invariant before [L426-L461] (((\old(__return_1135) == __return_1135) && (((long long) main__i + 1) <= main__nlen)) && (0 <= main__i)) [2024-09-21 12:47:34,833 INFO L1541 ArrayList]: Location invariant before [L2303-L2334] (((\old(__return_1135) == __return_1135) && (((long long) main__i + 1) <= main__nlen)) && (0 <= main__i)) [2024-09-21 12:47:34,833 INFO L1541 ArrayList]: Location invariant before [L2098-L2411] ((\old(__return_1135) == __return_1135) && (0 <= main__i)) [2024-09-21 12:47:34,833 INFO L1541 ArrayList]: Location invariant before [L2300-L2300] (((\old(__return_1135) == __return_1135) && (((long long) main__i + 1) <= main__nlen)) && (0 <= main__i)) [2024-09-21 12:47:34,833 INFO L1541 ArrayList]: Location invariant before [L541-L2645] ((\old(__return_1135) == __return_1135) && (0 <= main__i)) [2024-09-21 12:47:34,834 INFO L1541 ArrayList]: Location invariant before [L1464-L1499] (((\old(__return_1135) == __return_1135) && (((long long) main__i + 1) <= main__nlen)) && (0 <= main__i)) [2024-09-21 12:47:34,834 INFO L1541 ArrayList]: Location invariant before [L945-L980] (((\old(__return_1135) == __return_1135) && (((long long) main__i + 1) <= main__nlen)) && (0 <= main__i)) [2024-09-21 12:47:34,894 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-21 12:47:35,275 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+sep-reducer.c[34383,34396] [2024-09-21 12:47:35,333 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+sep-reducer.c[39106,39119] [2024-09-21 12:47:35,352 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-21 12:47:35,376 INFO L200 MainTranslator]: Completed pre-run Start Parsing Local Start Parsing Local Start Parsing Local [2024-09-21 12:47:35,588 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+sep-reducer.c[34383,34396] Start Parsing Local [2024-09-21 12:47:35,634 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+sep-reducer.c[39106,39119] Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local [2024-09-21 12:47:35,667 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-21 12:47:35,695 INFO L204 MainTranslator]: Completed translation [2024-09-21 12:47:35,696 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 21.09 12:47:35 WrapperNode [2024-09-21 12:47:35,697 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-21 12:47:35,697 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-21 12:47:35,697 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-21 12:47:35,698 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-21 12:47:35,711 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 21.09 12:47:35" (1/1) ... [2024-09-21 12:47:35,712 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 21.09 12:47:35" (1/1) ... [2024-09-21 12:47:35,733 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 21.09 12:47:35" (1/1) ... [2024-09-21 12:47:35,775 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 12:47:35,779 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 21.09 12:47:35" (1/1) ... [2024-09-21 12:47:35,780 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 21.09 12:47:35" (1/1) ... [2024-09-21 12:47:35,818 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 21.09 12:47:35" (1/1) ... [2024-09-21 12:47:35,831 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 21.09 12:47:35" (1/1) ... [2024-09-21 12:47:35,837 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 21.09 12:47:35" (1/1) ... [2024-09-21 12:47:35,843 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 21.09 12:47:35" (1/1) ... [2024-09-21 12:47:35,852 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-21 12:47:35,855 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-21 12:47:35,855 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-21 12:47:35,855 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-21 12:47:35,856 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 21.09 12:47:35" (1/1) ... [2024-09-21 12:47:35,872 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-21 12:47:35,887 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-09-21 12:47:35,906 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 12:47:35,911 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 12:47:35,962 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-09-21 12:47:35,962 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-21 12:47:35,962 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-09-21 12:47:35,962 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-09-21 12:47:35,962 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-09-21 12:47:35,962 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-09-21 12:47:35,962 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-09-21 12:47:35,964 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-09-21 12:47:35,964 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-21 12:47:35,964 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-09-21 12:47:35,964 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-09-21 12:47:35,964 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2024-09-21 12:47:35,964 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-09-21 12:47:35,965 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-09-21 12:47:35,965 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-09-21 12:47:35,965 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-21 12:47:35,965 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#0 [2024-09-21 12:47:35,965 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#0 [2024-09-21 12:47:35,965 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-09-21 12:47:36,129 INFO L242 CfgBuilder]: Building ICFG [2024-09-21 12:47:36,133 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-21 12:47:37,766 INFO L291 CfgBuilder]: Performing block encoding [2024-09-21 12:47:37,838 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-21 12:47:37,839 INFO L318 CfgBuilder]: Removed 0 assume(true) statements. [2024-09-21 12:47:37,840 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 12:47:37 BoogieIcfgContainer [2024-09-21 12:47:37,840 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-21 12:47:37,841 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-09-21 12:47:37,841 INFO L270 PluginConnector]: Initializing Referee... [2024-09-21 12:47:37,842 INFO L274 PluginConnector]: Referee initialized [2024-09-21 12:47:37,842 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 21.09 12:47:34" (1/4) ... [2024-09-21 12:47:37,843 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@139afc18 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 12:47:37,843 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 12:47:34" (2/4) ... [2024-09-21 12:47:37,843 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@139afc18 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 12:47:37,844 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 21.09 12:47:35" (3/4) ... [2024-09-21 12:47:37,845 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@139afc18 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 12:47:37,845 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 12:47:37" (4/4) ... [2024-09-21 12:47:37,846 INFO L79 RefereeObserver]: Analyzing ICFG id_build.i.p+sep-reducer.c [2024-09-21 12:47:37,850 INFO L113 InvariantChecker]: Found 0 loops. [2024-09-21 12:47:37,851 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr2ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 118 edges. [2024-09-21 12:47:37,853 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr4ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 181 edges. [2024-09-21 12:47:37,854 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr9ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 287 edges. [2024-09-21 12:47:37,855 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr3ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 127 edges. [2024-09-21 12:47:37,855 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr5ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 190 edges. [2024-09-21 12:47:37,856 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr6ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 216 edges. [2024-09-21 12:47:37,859 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 55 edges. [2024-09-21 12:47:37,860 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr7ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 288 edges. [2024-09-21 12:47:37,860 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr8ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 250 edges. [2024-09-21 12:47:37,861 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr10ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 287 edges. [2024-09-21 12:47:37,861 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr1ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 64 edges. [2024-09-21 12:47:37,861 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr11ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 288 edges. [2024-09-21 12:47:37,862 INFO L131 InvariantChecker]: Will check 12 loop-free subgraphs from procedure entry to error location [2024-09-21 12:47:37,988 INFO L314 BlockEncoder]: Initial Icfg 109 locations, 118 edges [2024-09-21 12:47:38,000 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 12:47:38,001 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 12:47:38,002 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 12:47:38,003 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 12:47:38,005 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:47:39,011 INFO L101 BaseMinimizeStates]: Removed 710 edges and 105 locations by large block encoding [2024-09-21 12:47:39,014 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:47:39,014 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 12:47:39,015 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 12:47:39,016 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 12:47:39,052 INFO L314 BlockEncoder]: Encoded RCFG 4 locations, 8 edges [2024-09-21 12:47:39,053 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 12:47:39,059 INFO L158 Benchmark]: Toolchain (without parser) took 4291.36ms. Allocated memory was 69.2MB in the beginning and 249.6MB in the end (delta: 180.4MB). Free memory was 45.1MB in the beginning and 165.2MB in the end (delta: -120.2MB). Peak memory consumption was 100.7MB. Max. memory is 16.1GB. [2024-09-21 12:47:39,060 INFO L158 Benchmark]: CDTParser took 0.30ms. Allocated memory is still 46.1MB. Free memory is still 27.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-21 12:47:39,060 INFO L158 Benchmark]: Witness Parser took 0.27ms. Allocated memory is still 69.2MB. Free memory is still 47.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-21 12:47:39,061 INFO L158 Benchmark]: CACSL2BoogieTranslator took 928.51ms. Allocated memory was 69.2MB in the beginning and 88.1MB in the end (delta: 18.9MB). Free memory was 44.8MB in the beginning and 54.8MB in the end (delta: -9.9MB). Peak memory consumption was 26.1MB. Max. memory is 16.1GB. [2024-09-21 12:47:39,061 INFO L158 Benchmark]: Boogie Preprocessor took 156.74ms. Allocated memory is still 88.1MB. Free memory was 54.8MB in the beginning and 46.4MB in the end (delta: 8.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-09-21 12:47:39,062 INFO L158 Benchmark]: RCFGBuilder took 1985.48ms. Allocated memory was 88.1MB in the beginning and 113.2MB in the end (delta: 25.2MB). Free memory was 46.0MB in the beginning and 82.7MB in the end (delta: -36.7MB). Peak memory consumption was 21.7MB. Max. memory is 16.1GB. [2024-09-21 12:47:39,062 INFO L158 Benchmark]: Referee took 1216.70ms. Allocated memory was 113.2MB in the beginning and 249.6MB in the end (delta: 136.3MB). Free memory was 82.7MB in the beginning and 165.2MB in the end (delta: -82.6MB). Peak memory consumption was 91.9MB. Max. memory is 16.1GB. [2024-09-21 12:47:39,067 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 0.30ms. Allocated memory is still 46.1MB. Free memory is still 27.3MB. There was no memory consumed. Max. memory is 16.1GB. * Witness Parser took 0.27ms. Allocated memory is still 69.2MB. Free memory is still 47.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 928.51ms. Allocated memory was 69.2MB in the beginning and 88.1MB in the end (delta: 18.9MB). Free memory was 44.8MB in the beginning and 54.8MB in the end (delta: -9.9MB). Peak memory consumption was 26.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 156.74ms. Allocated memory is still 88.1MB. Free memory was 54.8MB in the beginning and 46.4MB in the end (delta: 8.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 1985.48ms. Allocated memory was 88.1MB in the beginning and 113.2MB in the end (delta: 25.2MB). Free memory was 46.0MB in the beginning and 82.7MB in the end (delta: -36.7MB). Peak memory consumption was 21.7MB. Max. memory is 16.1GB. * Referee took 1216.70ms. Allocated memory was 113.2MB in the beginning and 249.6MB in the end (delta: 136.3MB). Free memory was 82.7MB in the beginning and 165.2MB in the end (delta: -82.6MB). Peak memory consumption was 91.9MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-09-21 12:47:39,103 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...