./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/loop-invgen/id_build.i.p+sep-reducer.c --full-output --witness-type correctness_witness --validate ../results/automizer-verification-files/SV-COMP24_unreach-call/id_build.i.p+sep-reducer.yml/witness-2.1.yml --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version a9b967e5 Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/certificate-witnesses-artifact/referee/data/config -Xmx15G -Xms4m -jar /storage/repos/certificate-witnesses-artifact/referee/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/certificate-witnesses-artifact/referee/data -tc /storage/repos/certificate-witnesses-artifact/referee/config/RefereeReachWitnessValidation.xml -i ../sv-benchmarks/c/loop-invgen/id_build.i.p+sep-reducer.c ../results/automizer-verification-files/SV-COMP24_unreach-call/id_build.i.p+sep-reducer.yml/witness-2.1.yml -s /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Default.epf --cacsl2boogietranslator.entry.function main --traceabstraction.positions.where.we.compute.the.hoare.annotation None --- Real Ultimate output --- This is Ultimate 0.2.4-dev-a9b967e-m [2024-09-12 16:48:13,315 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-12 16:48:13,414 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Default.epf [2024-09-12 16:48:13,420 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-12 16:48:13,422 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-12 16:48:13,450 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-12 16:48:13,451 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-12 16:48:13,453 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-12 16:48:13,453 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-12 16:48:13,455 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-12 16:48:13,456 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-12 16:48:13,456 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-12 16:48:13,457 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-12 16:48:13,457 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-12 16:48:13,458 INFO L153 SettingsManager]: * Use SBE=true [2024-09-12 16:48:13,458 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-12 16:48:13,458 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-12 16:48:13,459 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-12 16:48:13,459 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-09-12 16:48:13,459 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-12 16:48:13,459 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-12 16:48:13,463 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-12 16:48:13,463 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-12 16:48:13,463 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-12 16:48:13,464 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-12 16:48:13,464 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-12 16:48:13,464 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-12 16:48:13,464 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-12 16:48:13,465 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-12 16:48:13,465 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-12 16:48:13,465 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-12 16:48:13,465 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-12 16:48:13,465 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-12 16:48:13,466 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-12 16:48:13,466 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-12 16:48:13,466 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-12 16:48:13,466 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-09-12 16:48:13,467 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-09-12 16:48:13,467 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-12 16:48:13,467 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-12 16:48:13,467 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-12 16:48:13,469 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-12 16:48:13,469 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None [2024-09-12 16:48:13,727 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-12 16:48:13,756 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-12 16:48:13,759 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-12 16:48:13,760 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-12 16:48:13,761 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-12 16:48:13,763 INFO L431 ainManager$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 [2024-09-12 16:48:13,884 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-12 16:48:13,884 INFO L274 PluginConnector]: CDTParser initialized [2024-09-12 16:48:13,884 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/loop-invgen/id_build.i.p+sep-reducer.c [2024-09-12 16:48:15,341 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-12 16:48:15,639 INFO L384 CDTParser]: Found 1 translation units. [2024-09-12 16:48:15,640 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-invgen/id_build.i.p+sep-reducer.c [2024-09-12 16:48:15,654 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/a16699499/c31716fbf7a6421b91658568cc018b03/FLAG7ddba795d [2024-09-12 16:48:15,921 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/a16699499/c31716fbf7a6421b91658568cc018b03 [2024-09-12 16:48:15,922 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-12 16:48:15,923 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-09-12 16:48:15,924 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-12 16:48:15,925 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-12 16:48:15,930 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-12 16:48:15,930 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 12.09 04:48:13" (1/2) ... [2024-09-12 16:48:15,931 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@784cd392 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 12.09 04:48:15, skipping insertion in model container [2024-09-12 16:48:15,931 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 12.09 04:48:13" (1/2) ... [2024-09-12 16:48:15,933 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@3285fb24 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 12.09 04:48:15, skipping insertion in model container [2024-09-12 16:48:15,933 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.09 04:48:15" (2/2) ... [2024-09-12 16:48:15,933 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@784cd392 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.09 04:48:15, skipping insertion in model container [2024-09-12 16:48:15,933 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.09 04:48:15" (2/2) ... [2024-09-12 16:48:15,974 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-12 16:48:15,975 INFO L1541 ArrayList]: Location invariant before [L1060-L2567] ((\old(__return_1135) == __return_1135) && (0 <= main__i)) [2024-09-12 16:48:15,975 INFO L1541 ArrayList]: Location invariant before [L2303-L2334] (((\old(__return_1135) == __return_1135) && (((long long) main__i + 1) <= main__nlen)) && (0 <= main__i)) [2024-09-12 16:48:15,975 INFO L1541 ArrayList]: Location invariant before [L2098-L2411] ((\old(__return_1135) == __return_1135) && (0 <= main__i)) [2024-09-12 16:48:15,975 INFO L1541 ArrayList]: Location invariant before [L1464-L1499] (((\old(__return_1135) == __return_1135) && (((long long) main__i + 1) <= main__nlen)) && (0 <= main__i)) [2024-09-12 16:48:15,975 INFO L1541 ArrayList]: Location invariant before [L426-L461] (((\old(__return_1135) == __return_1135) && (((long long) main__i + 1) <= main__nlen)) && (0 <= main__i)) [2024-09-12 16:48:15,976 INFO L1541 ArrayList]: Location invariant before [L945-L980] (((\old(__return_1135) == __return_1135) && (((long long) main__i + 1) <= main__nlen)) && (0 <= main__i)) [2024-09-12 16:48:15,976 INFO L1541 ArrayList]: Location invariant before [L1579-L2489] ((\old(__return_1135) == __return_1135) && (0 <= main__i)) [2024-09-12 16:48:15,976 INFO L1541 ArrayList]: Location invariant before [L1782-L2412] ((((\old(__return_1135) == __return_1135) && (((long long) main__i + 1) <= main__nlen)) && (0 <= main__i))) && ((((\old(__return_1135) == __return_1135) && (((long long) main__i + 1) <= main__nlen)) && (0 <= main__i))) [2024-09-12 16:48:15,976 INFO L1541 ArrayList]: Location invariant before [L541-L2645] ((\old(__return_1135) == __return_1135) && (0 <= main__i)) [2024-09-12 16:48:16,055 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-12 16:48:16,483 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-invgen/id_build.i.p+sep-reducer.c[34383,34396] [2024-09-12 16:48:16,519 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-invgen/id_build.i.p+sep-reducer.c[39106,39119] [2024-09-12 16:48:16,543 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-12 16:48:16,553 INFO L200 MainTranslator]: Completed pre-run Start Parsing Local Start Parsing Local Start Parsing Local [2024-09-12 16:48:16,700 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-invgen/id_build.i.p+sep-reducer.c[34383,34396] [2024-09-12 16:48:16,727 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-invgen/id_build.i.p+sep-reducer.c[39106,39119] Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local [2024-09-12 16:48:16,745 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-12 16:48:16,758 INFO L204 MainTranslator]: Completed translation [2024-09-12 16:48:16,759 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.09 04:48:16 WrapperNode [2024-09-12 16:48:16,759 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-12 16:48:16,760 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-12 16:48:16,760 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-12 16:48:16,760 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-12 16:48:16,773 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.09 04:48:16" (1/1) ... [2024-09-12 16:48:16,773 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.09 04:48:16" (1/1) ... [2024-09-12 16:48:16,792 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.09 04:48:16" (1/1) ... [2024-09-12 16:48:16,824 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]. [2024-09-12 16:48:16,825 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.09 04:48:16" (1/1) ... [2024-09-12 16:48:16,825 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.09 04:48:16" (1/1) ... [2024-09-12 16:48:16,860 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.09 04:48:16" (1/1) ... [2024-09-12 16:48:16,874 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.09 04:48:16" (1/1) ... [2024-09-12 16:48:16,880 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.09 04:48:16" (1/1) ... [2024-09-12 16:48:16,891 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.09 04:48:16" (1/1) ... [2024-09-12 16:48:16,900 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-12 16:48:16,901 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-12 16:48:16,901 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-12 16:48:16,901 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-12 16:48:16,902 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.09 04:48:16" (1/1) ... [2024-09-12 16:48:16,909 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-12 16:48:16,918 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-09-12 16:48:16,936 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) [2024-09-12 16:48:16,938 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 [2024-09-12 16:48:16,982 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-09-12 16:48:16,983 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-12 16:48:16,983 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-09-12 16:48:16,983 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-09-12 16:48:16,983 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-09-12 16:48:16,983 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-09-12 16:48:16,983 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-09-12 16:48:16,983 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-09-12 16:48:16,984 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-12 16:48:16,984 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-09-12 16:48:16,984 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-09-12 16:48:16,985 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2024-09-12 16:48:16,985 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-09-12 16:48:16,985 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-09-12 16:48:16,986 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-09-12 16:48:16,986 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-12 16:48:16,986 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-09-12 16:48:16,986 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-09-12 16:48:16,986 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-09-12 16:48:17,145 INFO L242 CfgBuilder]: Building ICFG [2024-09-12 16:48:17,147 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-12 16:48:18,191 INFO L? ?]: Removed 564 outVars from TransFormulas that were not future-live. [2024-09-12 16:48:18,192 INFO L291 CfgBuilder]: Performing block encoding [2024-09-12 16:48:18,244 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-12 16:48:18,246 INFO L318 CfgBuilder]: Removed 0 assume(true) statements. [2024-09-12 16:48:18,247 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.09 04:48:18 BoogieIcfgContainer [2024-09-12 16:48:18,249 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-12 16:48:18,249 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-09-12 16:48:18,249 INFO L270 PluginConnector]: Initializing Referee... [2024-09-12 16:48:18,250 INFO L274 PluginConnector]: Referee initialized [2024-09-12 16:48:18,250 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 12.09 04:48:13" (1/4) ... [2024-09-12 16:48:18,251 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@2b50d156 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 12.09 04:48:18, skipping insertion in model container [2024-09-12 16:48:18,251 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 12.09 04:48:15" (2/4) ... [2024-09-12 16:48:18,251 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@2b50d156 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 12.09 04:48:18, skipping insertion in model container [2024-09-12 16:48:18,251 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.09 04:48:16" (3/4) ... [2024-09-12 16:48:18,251 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@2b50d156 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 12.09 04:48:18, skipping insertion in model container [2024-09-12 16:48:18,251 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.09 04:48:18" (4/4) ... [2024-09-12 16:48:18,252 INFO L79 RefereeObserver]: Analyzing ICFG id_build.i.p+sep-reducer.c [2024-09-12 16:48:18,258 INFO L112 InvariantChecker]: Found 0 loops. [2024-09-12 16:48:18,259 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr2ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 118 edges. [2024-09-12 16:48:18,261 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr4ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 181 edges. [2024-09-12 16:48:18,261 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr9ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 286 edges. [2024-09-12 16:48:18,262 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr3ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 127 edges. [2024-09-12 16:48:18,262 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr5ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 190 edges. [2024-09-12 16:48:18,262 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr6ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 216 edges. [2024-09-12 16:48:18,263 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 55 edges. [2024-09-12 16:48:18,263 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr7ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 287 edges. [2024-09-12 16:48:18,264 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr8ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 250 edges. [2024-09-12 16:48:18,264 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr1ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 64 edges. [2024-09-12 16:48:18,264 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr10ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 287 edges. [2024-09-12 16:48:18,265 INFO L130 InvariantChecker]: Will check 11 loop-free subgraphs from procedure entry to error location [2024-09-12 16:48:18,436 INFO L314 BlockEncoder]: Initial Icfg 109 locations, 118 edges [2024-09-12 16:48:18,437 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-12 16:48:18,438 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-12 16:48:18,438 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-12 16:48:18,439 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-12 16:48:18,441 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 16:48:18,919 INFO L101 BaseMinimizeStates]: Removed 710 edges and 105 locations by large block encoding [2024-09-12 16:48:18,921 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 16:48:18,921 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-12 16:48:18,921 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-12 16:48:18,922 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-12 16:48:18,939 INFO L314 BlockEncoder]: Encoded RCFG 4 locations, 8 edges [2024-09-12 16:48:18,940 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.referee has thrown an exception: java.lang.AssertionError: Either subgraph not acyclic or there is a bug at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AcyclicSubgraphMerger.(AcyclicSubgraphMerger.java:169) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.InvariantChecker.(InvariantChecker.java:144) at de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeStarter.(RefereeStarter.java:56) at de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver.finish(RefereeObserver.java:80) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2024-09-12 16:48:18,947 INFO L158 Benchmark]: Toolchain (without parser) took 3022.03ms. Allocated memory was 184.5MB in the beginning and 234.9MB in the end (delta: 50.3MB). Free memory was 111.7MB in the beginning and 115.0MB in the end (delta: -3.3MB). Peak memory consumption was 63.4MB. Max. memory is 16.1GB. [2024-09-12 16:48:18,948 INFO L158 Benchmark]: Witness Parser took 0.28ms. Allocated memory is still 104.9MB. Free memory is still 68.7MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-12 16:48:18,949 INFO L158 Benchmark]: CDTParser took 0.92ms. Allocated memory is still 184.5MB. Free memory is still 158.7MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-12 16:48:18,949 INFO L158 Benchmark]: CACSL2BoogieTranslator took 834.97ms. Allocated memory is still 184.5MB. Free memory was 111.5MB in the beginning and 119.6MB in the end (delta: -8.1MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-09-12 16:48:18,950 INFO L158 Benchmark]: Boogie Preprocessor took 140.33ms. Allocated memory is still 184.5MB. Free memory was 119.6MB in the beginning and 112.0MB in the end (delta: 7.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-09-12 16:48:18,950 INFO L158 Benchmark]: RCFGBuilder took 1348.11ms. Allocated memory is still 184.5MB. Free memory was 112.0MB in the beginning and 76.2MB in the end (delta: 35.8MB). Peak memory consumption was 37.1MB. Max. memory is 16.1GB. [2024-09-12 16:48:18,951 INFO L158 Benchmark]: Referee took 694.80ms. Allocated memory was 184.5MB in the beginning and 234.9MB in the end (delta: 50.3MB). Free memory was 76.2MB in the beginning and 115.0MB in the end (delta: -38.8MB). Peak memory consumption was 27.2MB. Max. memory is 16.1GB. [2024-09-12 16:48:18,954 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 0.28ms. Allocated memory is still 104.9MB. Free memory is still 68.7MB. There was no memory consumed. Max. memory is 16.1GB. * CDTParser took 0.92ms. Allocated memory is still 184.5MB. Free memory is still 158.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 834.97ms. Allocated memory is still 184.5MB. Free memory was 111.5MB in the beginning and 119.6MB in the end (delta: -8.1MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Preprocessor took 140.33ms. Allocated memory is still 184.5MB. Free memory was 119.6MB in the beginning and 112.0MB in the end (delta: 7.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 1348.11ms. Allocated memory is still 184.5MB. Free memory was 112.0MB in the beginning and 76.2MB in the end (delta: 35.8MB). Peak memory consumption was 37.1MB. Max. memory is 16.1GB. * Referee took 694.80ms. Allocated memory was 184.5MB in the beginning and 234.9MB in the end (delta: 50.3MB). Free memory was 76.2MB in the beginning and 115.0MB in the end (delta: -38.8MB). Peak memory consumption was 27.2MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-09-12 16:48:18,987 INFO L540 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/referee/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/certificate-witnesses-artifact/referee/data/config -Xmx15G -Xms4m -jar /storage/repos/certificate-witnesses-artifact/referee/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/certificate-witnesses-artifact/referee/data -tc /storage/repos/certificate-witnesses-artifact/referee/config/RefereeReachWitnessValidation.xml -i ../sv-benchmarks/c/loop-invgen/id_build.i.p+sep-reducer.c ../results/automizer-verification-files/SV-COMP24_unreach-call/id_build.i.p+sep-reducer.yml/witness-2.1.yml -s /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Bitvector.epf --cacsl2boogietranslator.entry.function main --traceabstraction.positions.where.we.compute.the.hoare.annotation None --- Real Ultimate output --- This is Ultimate 0.2.4-dev-a9b967e-m [2024-09-12 16:48:21,210 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-12 16:48:21,296 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Bitvector.epf [2024-09-12 16:48:21,304 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-12 16:48:21,304 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-12 16:48:21,334 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-12 16:48:21,335 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-12 16:48:21,336 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-12 16:48:21,336 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-12 16:48:21,338 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-12 16:48:21,339 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-12 16:48:21,339 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-12 16:48:21,340 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-12 16:48:21,344 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-12 16:48:21,344 INFO L153 SettingsManager]: * Use SBE=true [2024-09-12 16:48:21,345 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-12 16:48:21,345 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-12 16:48:21,345 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-12 16:48:21,345 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-12 16:48:21,346 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-12 16:48:21,346 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-12 16:48:21,347 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-12 16:48:21,347 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-12 16:48:21,347 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-09-12 16:48:21,347 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-09-12 16:48:21,348 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-12 16:48:21,348 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-09-12 16:48:21,348 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-12 16:48:21,348 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-12 16:48:21,349 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-12 16:48:21,349 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-12 16:48:21,349 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-12 16:48:21,349 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-12 16:48:21,350 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-12 16:48:21,350 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-12 16:48:21,353 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-12 16:48:21,354 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-12 16:48:21,355 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-12 16:48:21,355 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-09-12 16:48:21,355 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-09-12 16:48:21,356 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-12 16:48:21,356 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-12 16:48:21,356 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-12 16:48:21,357 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-12 16:48:21,357 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2024-09-12 16:48:21,357 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None [2024-09-12 16:48:21,715 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-12 16:48:21,743 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-12 16:48:21,746 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-12 16:48:21,747 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-12 16:48:21,748 INFO L274 PluginConnector]: CDTParser initialized [2024-09-12 16:48:21,749 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/loop-invgen/id_build.i.p+sep-reducer.c [2024-09-12 16:48:23,293 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-12 16:48:23,539 INFO L384 CDTParser]: Found 1 translation units. [2024-09-12 16:48:23,540 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-invgen/id_build.i.p+sep-reducer.c [2024-09-12 16:48:23,564 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/340c8b5d9/17e0497717354dd3b61cb2f3a47467f2/FLAGca34ae446 [2024-09-12 16:48:23,870 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/340c8b5d9/17e0497717354dd3b61cb2f3a47467f2 [2024-09-12 16:48:23,873 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-12 16:48:23,874 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-12 16:48:23,875 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/automizer-verification-files/SV-COMP24_unreach-call/id_build.i.p+sep-reducer.yml/witness-2.1.yml [2024-09-12 16:48:23,944 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-12 16:48:23,946 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-09-12 16:48:23,948 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-12 16:48:23,948 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-12 16:48:23,953 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-12 16:48:23,954 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.09 04:48:23" (1/2) ... [2024-09-12 16:48:23,955 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@681ee0fd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.09 04:48:23, skipping insertion in model container [2024-09-12 16:48:23,955 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.09 04:48:23" (1/2) ... [2024-09-12 16:48:23,959 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@64df2a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.09 04:48:23, skipping insertion in model container [2024-09-12 16:48:23,959 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 12.09 04:48:23" (2/2) ... [2024-09-12 16:48:23,959 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@681ee0fd and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 12.09 04:48:23, skipping insertion in model container [2024-09-12 16:48:23,960 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 12.09 04:48:23" (2/2) ... [2024-09-12 16:48:24,008 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-12 16:48:24,008 INFO L1541 ArrayList]: Location invariant before [L1464-L1499] (((\old(__return_1135) == __return_1135) && (((long long) main__i + 1) <= main__nlen)) && (0 <= main__i)) [2024-09-12 16:48:24,009 INFO L1541 ArrayList]: Location invariant before [L541-L2645] ((\old(__return_1135) == __return_1135) && (0 <= main__i)) [2024-09-12 16:48:24,009 INFO L1541 ArrayList]: Location invariant before [L1782-L2412] ((((\old(__return_1135) == __return_1135) && (((long long) main__i + 1) <= main__nlen)) && (0 <= main__i))) && ((((\old(__return_1135) == __return_1135) && (((long long) main__i + 1) <= main__nlen)) && (0 <= main__i))) [2024-09-12 16:48:24,009 INFO L1541 ArrayList]: Location invariant before [L426-L461] (((\old(__return_1135) == __return_1135) && (((long long) main__i + 1) <= main__nlen)) && (0 <= main__i)) [2024-09-12 16:48:24,009 INFO L1541 ArrayList]: Location invariant before [L1579-L2489] ((\old(__return_1135) == __return_1135) && (0 <= main__i)) [2024-09-12 16:48:24,009 INFO L1541 ArrayList]: Location invariant before [L2303-L2334] (((\old(__return_1135) == __return_1135) && (((long long) main__i + 1) <= main__nlen)) && (0 <= main__i)) [2024-09-12 16:48:24,009 INFO L1541 ArrayList]: Location invariant before [L945-L980] (((\old(__return_1135) == __return_1135) && (((long long) main__i + 1) <= main__nlen)) && (0 <= main__i)) [2024-09-12 16:48:24,010 INFO L1541 ArrayList]: Location invariant before [L2098-L2411] ((\old(__return_1135) == __return_1135) && (0 <= main__i)) [2024-09-12 16:48:24,010 INFO L1541 ArrayList]: Location invariant before [L1060-L2567] ((\old(__return_1135) == __return_1135) && (0 <= main__i)) [2024-09-12 16:48:24,083 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-12 16:48:24,442 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-invgen/id_build.i.p+sep-reducer.c[34383,34396] [2024-09-12 16:48:24,478 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-invgen/id_build.i.p+sep-reducer.c[39106,39119] [2024-09-12 16:48:24,493 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-12 16:48:24,512 INFO L200 MainTranslator]: Completed pre-run Start Parsing Local Start Parsing Local Start Parsing Local [2024-09-12 16:48:24,658 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-invgen/id_build.i.p+sep-reducer.c[34383,34396] [2024-09-12 16:48:24,692 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-invgen/id_build.i.p+sep-reducer.c[39106,39119] Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local [2024-09-12 16:48:24,715 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-12 16:48:24,732 INFO L204 MainTranslator]: Completed translation [2024-09-12 16:48:24,733 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 12.09 04:48:24 WrapperNode [2024-09-12 16:48:24,734 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-12 16:48:24,735 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-12 16:48:24,735 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-12 16:48:24,735 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-12 16:48:24,749 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 12.09 04:48:24" (1/1) ... [2024-09-12 16:48:24,749 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 12.09 04:48:24" (1/1) ... [2024-09-12 16:48:24,775 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 12.09 04:48:24" (1/1) ... [2024-09-12 16:48:24,813 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]. [2024-09-12 16:48:24,814 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 12.09 04:48:24" (1/1) ... [2024-09-12 16:48:24,814 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 12.09 04:48:24" (1/1) ... [2024-09-12 16:48:24,847 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 12.09 04:48:24" (1/1) ... [2024-09-12 16:48:24,859 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 12.09 04:48:24" (1/1) ... [2024-09-12 16:48:24,866 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 12.09 04:48:24" (1/1) ... [2024-09-12 16:48:24,871 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 12.09 04:48:24" (1/1) ... [2024-09-12 16:48:24,881 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-12 16:48:24,882 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-12 16:48:24,882 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-12 16:48:24,883 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-12 16:48:24,883 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 12.09 04:48:24" (1/1) ... [2024-09-12 16:48:24,894 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-12 16:48:24,903 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-09-12 16:48:24,920 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) [2024-09-12 16:48:24,928 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 [2024-09-12 16:48:24,969 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-09-12 16:48:24,970 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-12 16:48:24,970 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-09-12 16:48:24,970 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-09-12 16:48:24,970 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-09-12 16:48:24,971 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-09-12 16:48:24,971 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-09-12 16:48:24,971 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-09-12 16:48:24,971 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-12 16:48:24,972 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-09-12 16:48:24,973 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-09-12 16:48:24,973 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2024-09-12 16:48:24,973 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-09-12 16:48:24,974 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-09-12 16:48:24,974 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-09-12 16:48:24,974 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-12 16:48:24,974 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#0 [2024-09-12 16:48:24,974 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#0 [2024-09-12 16:48:24,975 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-09-12 16:48:25,149 INFO L242 CfgBuilder]: Building ICFG [2024-09-12 16:48:25,151 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-12 16:48:26,755 INFO L? ?]: Removed 564 outVars from TransFormulas that were not future-live. [2024-09-12 16:48:26,755 INFO L291 CfgBuilder]: Performing block encoding [2024-09-12 16:48:26,803 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-12 16:48:26,804 INFO L318 CfgBuilder]: Removed 0 assume(true) statements. [2024-09-12 16:48:26,804 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.09 04:48:26 BoogieIcfgContainer [2024-09-12 16:48:26,804 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-12 16:48:26,805 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-09-12 16:48:26,805 INFO L270 PluginConnector]: Initializing Referee... [2024-09-12 16:48:26,806 INFO L274 PluginConnector]: Referee initialized [2024-09-12 16:48:26,806 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 12.09 04:48:23" (1/4) ... [2024-09-12 16:48:26,806 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@515236f2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 12.09 04:48:26, skipping insertion in model container [2024-09-12 16:48:26,807 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 12.09 04:48:23" (2/4) ... [2024-09-12 16:48:26,807 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@515236f2 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 12.09 04:48:26, skipping insertion in model container [2024-09-12 16:48:26,807 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 12.09 04:48:24" (3/4) ... [2024-09-12 16:48:26,807 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@515236f2 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 12.09 04:48:26, skipping insertion in model container [2024-09-12 16:48:26,807 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.09 04:48:26" (4/4) ... [2024-09-12 16:48:26,808 INFO L79 RefereeObserver]: Analyzing ICFG id_build.i.p+sep-reducer.c [2024-09-12 16:48:26,812 INFO L112 InvariantChecker]: Found 0 loops. [2024-09-12 16:48:26,813 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr2ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 118 edges. [2024-09-12 16:48:26,814 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr4ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 181 edges. [2024-09-12 16:48:26,815 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr9ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 286 edges. [2024-09-12 16:48:26,815 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr3ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 127 edges. [2024-09-12 16:48:26,816 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr5ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 190 edges. [2024-09-12 16:48:26,816 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr6ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 216 edges. [2024-09-12 16:48:26,816 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 55 edges. [2024-09-12 16:48:26,817 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr7ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 287 edges. [2024-09-12 16:48:26,817 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr8ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 250 edges. [2024-09-12 16:48:26,817 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr1ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 64 edges. [2024-09-12 16:48:26,818 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr10ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 287 edges. [2024-09-12 16:48:26,819 INFO L130 InvariantChecker]: Will check 11 loop-free subgraphs from procedure entry to error location [2024-09-12 16:48:26,995 INFO L314 BlockEncoder]: Initial Icfg 109 locations, 118 edges [2024-09-12 16:48:26,996 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-12 16:48:26,997 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-12 16:48:26,997 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-12 16:48:26,998 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-12 16:48:27,001 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 16:48:27,595 INFO L101 BaseMinimizeStates]: Removed 710 edges and 105 locations by large block encoding [2024-09-12 16:48:27,597 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 16:48:27,597 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-12 16:48:27,597 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-12 16:48:27,598 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-12 16:48:27,619 INFO L314 BlockEncoder]: Encoded RCFG 4 locations, 8 edges [2024-09-12 16:48:27,622 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.referee has thrown an exception: java.lang.AssertionError: Either subgraph not acyclic or there is a bug at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AcyclicSubgraphMerger.(AcyclicSubgraphMerger.java:169) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.InvariantChecker.(InvariantChecker.java:144) at de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeStarter.(RefereeStarter.java:56) at de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver.finish(RefereeObserver.java:80) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2024-09-12 16:48:27,629 INFO L158 Benchmark]: Toolchain (without parser) took 3682.58ms. Allocated memory was 75.5MB in the beginning and 182.5MB in the end (delta: 107.0MB). Free memory was 43.8MB in the beginning and 107.2MB in the end (delta: -63.4MB). Peak memory consumption was 58.9MB. Max. memory is 16.1GB. [2024-09-12 16:48:27,630 INFO L158 Benchmark]: CDTParser took 1.27ms. Allocated memory is still 58.7MB. Free memory was 30.7MB in the beginning and 30.7MB in the end (delta: 73.4kB). There was no memory consumed. Max. memory is 16.1GB. [2024-09-12 16:48:27,630 INFO L158 Benchmark]: Witness Parser took 0.20ms. Allocated memory is still 75.5MB. Free memory is still 46.0MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-12 16:48:27,630 INFO L158 Benchmark]: CACSL2BoogieTranslator took 785.96ms. Allocated memory is still 75.5MB. Free memory was 43.5MB in the beginning and 37.5MB in the end (delta: 6.0MB). Peak memory consumption was 16.7MB. Max. memory is 16.1GB. [2024-09-12 16:48:27,631 INFO L158 Benchmark]: Boogie Preprocessor took 146.73ms. Allocated memory is still 75.5MB. Free memory was 37.5MB in the beginning and 28.8MB in the end (delta: 8.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-09-12 16:48:27,632 INFO L158 Benchmark]: RCFGBuilder took 1922.19ms. Allocated memory was 75.5MB in the beginning and 92.3MB in the end (delta: 16.8MB). Free memory was 28.8MB in the beginning and 63.5MB in the end (delta: -34.7MB). Peak memory consumption was 15.3MB. Max. memory is 16.1GB. [2024-09-12 16:48:27,632 INFO L158 Benchmark]: Referee took 822.53ms. Allocated memory was 92.3MB in the beginning and 182.5MB in the end (delta: 90.2MB). Free memory was 63.5MB in the beginning and 107.2MB in the end (delta: -43.7MB). Peak memory consumption was 61.4MB. Max. memory is 16.1GB. [2024-09-12 16:48:27,635 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 1.27ms. Allocated memory is still 58.7MB. Free memory was 30.7MB in the beginning and 30.7MB in the end (delta: 73.4kB). There was no memory consumed. Max. memory is 16.1GB. * Witness Parser took 0.20ms. Allocated memory is still 75.5MB. Free memory is still 46.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 785.96ms. Allocated memory is still 75.5MB. Free memory was 43.5MB in the beginning and 37.5MB in the end (delta: 6.0MB). Peak memory consumption was 16.7MB. Max. memory is 16.1GB. * Boogie Preprocessor took 146.73ms. Allocated memory is still 75.5MB. Free memory was 37.5MB in the beginning and 28.8MB in the end (delta: 8.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 1922.19ms. Allocated memory was 75.5MB in the beginning and 92.3MB in the end (delta: 16.8MB). Free memory was 28.8MB in the beginning and 63.5MB in the end (delta: -34.7MB). Peak memory consumption was 15.3MB. Max. memory is 16.1GB. * Referee took 822.53ms. Allocated memory was 92.3MB in the beginning and 182.5MB in the end (delta: 90.2MB). Free memory was 63.5MB in the beginning and 107.2MB in the end (delta: -43.7MB). Peak memory consumption was 61.4MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-09-12 16:48:27,672 INFO L552 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/referee/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: AssertionError: Either subgraph not acyclic or there is a bug