./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 5189fb62 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-5189fb6-m [2024-09-13 05:02:52,997 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-13 05:02:53,062 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Default.epf [2024-09-13 05:02:53,068 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-13 05:02:53,068 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-13 05:02:53,103 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-13 05:02:53,103 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-13 05:02:53,103 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-13 05:02:53,106 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-13 05:02:53,108 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-13 05:02:53,108 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-13 05:02:53,108 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-13 05:02:53,109 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-13 05:02:53,109 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-13 05:02:53,109 INFO L153 SettingsManager]: * Use SBE=true [2024-09-13 05:02:53,110 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-13 05:02:53,110 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-13 05:02:53,110 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-13 05:02:53,111 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-09-13 05:02:53,111 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-13 05:02:53,115 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-13 05:02:53,116 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-13 05:02:53,116 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-13 05:02:53,116 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-13 05:02:53,116 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-13 05:02:53,117 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-13 05:02:53,117 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-13 05:02:53,117 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-13 05:02:53,117 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-13 05:02:53,118 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-13 05:02:53,118 INFO L153 SettingsManager]: * Future-live optimization=false [2024-09-13 05:02:53,118 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-13 05:02:53,118 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-13 05:02:53,118 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-13 05:02:53,119 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-13 05:02:53,119 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-13 05:02:53,122 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-13 05:02:53,123 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-09-13 05:02:53,123 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-09-13 05:02:53,123 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-13 05:02:53,124 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-13 05:02:53,124 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-13 05:02:53,125 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-13 05:02:53,125 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/certificate-witnesses-artifact/referee/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None [2024-09-13 05:02:53,410 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-13 05:02:53,434 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-13 05:02:53,437 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-13 05:02:53,439 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-13 05:02:53,440 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-13 05:02:53,441 INFO L431 ainManager$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 [2024-09-13 05:02:53,513 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-13 05:02:53,513 INFO L274 PluginConnector]: CDTParser initialized [2024-09-13 05:02:53,514 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/loop-invgen/id_build.i.p+sep-reducer.c [2024-09-13 05:02:54,954 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-13 05:02:55,236 INFO L384 CDTParser]: Found 1 translation units. [2024-09-13 05:02:55,237 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-invgen/id_build.i.p+sep-reducer.c [2024-09-13 05:02:55,263 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/8c9b9d0df/3cc0fcd16a614f22aef0b17741bca975/FLAG9732a709f [2024-09-13 05:02:55,278 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/8c9b9d0df/3cc0fcd16a614f22aef0b17741bca975 [2024-09-13 05:02:55,279 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-13 05:02:55,280 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-09-13 05:02:55,282 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-13 05:02:55,282 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-13 05:02:55,287 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-13 05:02:55,290 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 13.09 05:02:53" (1/2) ... [2024-09-13 05:02:55,291 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@115a37f7 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 13.09 05:02:55, skipping insertion in model container [2024-09-13 05:02:55,291 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 13.09 05:02:53" (1/2) ... [2024-09-13 05:02:55,293 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@13dcd18a and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 13.09 05:02:55, skipping insertion in model container [2024-09-13 05:02:55,293 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.09 05:02:55" (2/2) ... [2024-09-13 05:02:55,293 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@115a37f7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 05:02:55, skipping insertion in model container [2024-09-13 05:02:55,294 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.09 05:02:55" (2/2) ... [2024-09-13 05:02:55,339 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-13 05:02:55,339 INFO L1541 ArrayList]: Location invariant before [L945-L980] (((\old(__return_1135) == __return_1135) && (((long long) main__i + 1) <= main__nlen)) && (0 <= main__i)) [2024-09-13 05:02:55,340 INFO L1541 ArrayList]: Location invariant before [L1464-L1499] (((\old(__return_1135) == __return_1135) && (((long long) main__i + 1) <= main__nlen)) && (0 <= main__i)) [2024-09-13 05:02:55,340 INFO L1541 ArrayList]: Location invariant before [L1060-L2567] ((\old(__return_1135) == __return_1135) && (0 <= main__i)) [2024-09-13 05:02:55,340 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))) [2024-09-13 05:02:55,340 INFO L1541 ArrayList]: Location invariant before [L541-L2645] ((\old(__return_1135) == __return_1135) && (0 <= main__i)) [2024-09-13 05:02:55,340 INFO L1541 ArrayList]: Location invariant before [L426-L461] (((\old(__return_1135) == __return_1135) && (((long long) main__i + 1) <= main__nlen)) && (0 <= main__i)) [2024-09-13 05:02:55,340 INFO L1541 ArrayList]: Location invariant before [L2098-L2411] ((\old(__return_1135) == __return_1135) && (0 <= main__i)) [2024-09-13 05:02:55,341 INFO L1541 ArrayList]: Location invariant before [L2303-L2334] (((\old(__return_1135) == __return_1135) && (((long long) main__i + 1) <= main__nlen)) && (0 <= main__i)) [2024-09-13 05:02:55,341 INFO L1541 ArrayList]: Location invariant before [L1579-L2489] ((\old(__return_1135) == __return_1135) && (0 <= main__i)) [2024-09-13 05:02:55,404 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-13 05:02:55,792 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] [2024-09-13 05:02:55,824 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] [2024-09-13 05:02:55,854 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-13 05:02:55,866 INFO L200 MainTranslator]: Completed pre-run Start Parsing Local Start Parsing Local Start Parsing Local [2024-09-13 05:02:56,035 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] [2024-09-13 05:02:56,054 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 [2024-09-13 05:02:56,077 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-13 05:02:56,091 INFO L204 MainTranslator]: Completed translation [2024-09-13 05:02:56,092 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 05:02:56 WrapperNode [2024-09-13 05:02:56,092 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-13 05:02:56,093 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-13 05:02:56,093 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-13 05:02:56,093 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-13 05:02:56,108 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 05:02:56" (1/1) ... [2024-09-13 05:02:56,108 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 05:02:56" (1/1) ... [2024-09-13 05:02:56,140 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 05:02:56" (1/1) ... [2024-09-13 05:02:56,188 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-09-13 05:02:56,188 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 05:02:56" (1/1) ... [2024-09-13 05:02:56,189 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 05:02:56" (1/1) ... [2024-09-13 05:02:56,228 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 05:02:56" (1/1) ... [2024-09-13 05:02:56,243 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 05:02:56" (1/1) ... [2024-09-13 05:02:56,247 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 05:02:56" (1/1) ... [2024-09-13 05:02:56,252 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 05:02:56" (1/1) ... [2024-09-13 05:02:56,259 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-13 05:02:56,260 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-13 05:02:56,260 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-13 05:02:56,260 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-13 05:02:56,261 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 05:02:56" (1/1) ... [2024-09-13 05:02:56,273 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-13 05:02:56,315 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-09-13 05:02:56,354 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/certificate-witnesses-artifact/referee/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-09-13 05:02:56,391 INFO L327 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/referee/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-09-13 05:02:56,451 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-09-13 05:02:56,451 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-13 05:02:56,452 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-09-13 05:02:56,452 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-09-13 05:02:56,452 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-09-13 05:02:56,452 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-09-13 05:02:56,452 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-09-13 05:02:56,452 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-09-13 05:02:56,452 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-13 05:02:56,453 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-09-13 05:02:56,453 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-09-13 05:02:56,453 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2024-09-13 05:02:56,455 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-09-13 05:02:56,455 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-09-13 05:02:56,455 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-09-13 05:02:56,456 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-13 05:02:56,456 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-09-13 05:02:56,456 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-09-13 05:02:56,456 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-09-13 05:02:56,614 INFO L242 CfgBuilder]: Building ICFG [2024-09-13 05:02:56,617 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-13 05:02:57,646 INFO L291 CfgBuilder]: Performing block encoding [2024-09-13 05:02:57,686 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-13 05:02:57,687 INFO L318 CfgBuilder]: Removed 0 assume(true) statements. [2024-09-13 05:02:57,687 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.09 05:02:57 BoogieIcfgContainer [2024-09-13 05:02:57,687 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-13 05:02:57,688 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-09-13 05:02:57,688 INFO L270 PluginConnector]: Initializing Referee... [2024-09-13 05:02:57,689 INFO L274 PluginConnector]: Referee initialized [2024-09-13 05:02:57,689 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 13.09 05:02:53" (1/4) ... [2024-09-13 05:02:57,689 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@1dd78b05 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 13.09 05:02:57, skipping insertion in model container [2024-09-13 05:02:57,689 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 13.09 05:02:55" (2/4) ... [2024-09-13 05:02:57,690 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@1dd78b05 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 13.09 05:02:57, skipping insertion in model container [2024-09-13 05:02:57,690 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 05:02:56" (3/4) ... [2024-09-13 05:02:57,690 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@1dd78b05 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 13.09 05:02:57, skipping insertion in model container [2024-09-13 05:02:57,690 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.09 05:02:57" (4/4) ... [2024-09-13 05:02:57,693 INFO L79 RefereeObserver]: Analyzing ICFG id_build.i.p+sep-reducer.c [2024-09-13 05:02:57,699 INFO L112 InvariantChecker]: Found 0 loops. [2024-09-13 05:02:57,700 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr2ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 118 edges. [2024-09-13 05:02:57,700 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr4ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 181 edges. [2024-09-13 05:02:57,701 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr9ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 286 edges. [2024-09-13 05:02:57,701 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr3ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 127 edges. [2024-09-13 05:02:57,702 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr5ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 190 edges. [2024-09-13 05:02:57,702 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr6ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 216 edges. [2024-09-13 05:02:57,703 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 55 edges. [2024-09-13 05:02:57,703 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr7ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 287 edges. [2024-09-13 05:02:57,704 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr8ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 250 edges. [2024-09-13 05:02:57,704 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr1ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 64 edges. [2024-09-13 05:02:57,705 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr10ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 287 edges. [2024-09-13 05:02:57,705 INFO L130 InvariantChecker]: Will check 11 loop-free subgraphs from procedure entry to error location [2024-09-13 05:02:57,853 INFO L314 BlockEncoder]: Initial Icfg 109 locations, 118 edges [2024-09-13 05:02:57,855 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 05:02:57,856 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 05:02:57,856 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 05:02:57,857 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 05:02:57,859 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:02:58,855 INFO L101 BaseMinimizeStates]: Removed 710 edges and 105 locations by large block encoding [2024-09-13 05:02:58,859 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:02:58,859 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 05:02:58,860 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 05:02:58,860 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 05:02:58,890 INFO L314 BlockEncoder]: Encoded RCFG 4 locations, 8 edges [2024-09-13 05:02:58,891 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.referee has thrown an exception: java.lang.AssertionError: Either subgraph not acyclic or there is a bug at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AcyclicSubgraphMerger.(AcyclicSubgraphMerger.java:169) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.InvariantChecker.(InvariantChecker.java:144) at de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeStarter.(RefereeStarter.java:56) at de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver.finish(RefereeObserver.java:80) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2024-09-13 05:02:58,900 INFO L158 Benchmark]: Toolchain (without parser) took 3618.50ms. Allocated memory was 161.5MB in the beginning and 218.1MB in the end (delta: 56.6MB). Free memory was 109.8MB in the beginning and 125.0MB in the end (delta: -15.2MB). Peak memory consumption was 119.0MB. Max. memory is 16.1GB. [2024-09-13 05:02:58,900 INFO L158 Benchmark]: Witness Parser took 0.28ms. Allocated memory is still 100.7MB. Free memory is still 67.7MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-13 05:02:58,900 INFO L158 Benchmark]: CDTParser took 1.75ms. Allocated memory is still 100.7MB. Free memory is still 65.5MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-13 05:02:58,901 INFO L158 Benchmark]: CACSL2BoogieTranslator took 810.60ms. Allocated memory is still 161.5MB. Free memory was 109.8MB in the beginning and 63.7MB in the end (delta: 46.1MB). Peak memory consumption was 46.1MB. Max. memory is 16.1GB. [2024-09-13 05:02:58,901 INFO L158 Benchmark]: Boogie Preprocessor took 166.73ms. Allocated memory is still 161.5MB. Free memory was 63.7MB in the beginning and 56.3MB in the end (delta: 7.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-09-13 05:02:58,902 INFO L158 Benchmark]: RCFGBuilder took 1427.33ms. Allocated memory is still 161.5MB. Free memory was 56.3MB in the beginning and 119.9MB in the end (delta: -63.5MB). Peak memory consumption was 15.1MB. Max. memory is 16.1GB. [2024-09-13 05:02:58,902 INFO L158 Benchmark]: Referee took 1209.74ms. Allocated memory was 161.5MB in the beginning and 218.1MB in the end (delta: 56.6MB). Free memory was 119.9MB in the beginning and 125.0MB in the end (delta: -5.1MB). Peak memory consumption was 129.1MB. Max. memory is 16.1GB. [2024-09-13 05:02:58,907 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 100.7MB. Free memory is still 67.7MB. There was no memory consumed. Max. memory is 16.1GB. * CDTParser took 1.75ms. Allocated memory is still 100.7MB. Free memory is still 65.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 810.60ms. Allocated memory is still 161.5MB. Free memory was 109.8MB in the beginning and 63.7MB in the end (delta: 46.1MB). Peak memory consumption was 46.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 166.73ms. Allocated memory is still 161.5MB. Free memory was 63.7MB in the beginning and 56.3MB in the end (delta: 7.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 1427.33ms. Allocated memory is still 161.5MB. Free memory was 56.3MB in the beginning and 119.9MB in the end (delta: -63.5MB). Peak memory consumption was 15.1MB. Max. memory is 16.1GB. * Referee took 1209.74ms. Allocated memory was 161.5MB in the beginning and 218.1MB in the end (delta: 56.6MB). Free memory was 119.9MB in the beginning and 125.0MB in the end (delta: -5.1MB). Peak memory consumption was 129.1MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-09-13 05:02:58,942 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 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-5189fb6-m [2024-09-13 05:03:01,187 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-13 05:03:01,259 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Bitvector.epf [2024-09-13 05:03:01,266 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-13 05:03:01,267 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-13 05:03:01,301 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-13 05:03:01,302 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-13 05:03:01,302 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-13 05:03:01,303 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-13 05:03:01,303 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-13 05:03:01,304 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-13 05:03:01,304 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-13 05:03:01,305 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-13 05:03:01,305 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-13 05:03:01,306 INFO L153 SettingsManager]: * Use SBE=true [2024-09-13 05:03:01,306 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-13 05:03:01,306 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-13 05:03:01,307 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-13 05:03:01,307 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-13 05:03:01,307 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-13 05:03:01,308 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-13 05:03:01,308 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-13 05:03:01,308 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-13 05:03:01,309 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-09-13 05:03:01,312 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-09-13 05:03:01,312 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-13 05:03:01,312 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-09-13 05:03:01,313 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-13 05:03:01,313 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-13 05:03:01,313 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-13 05:03:01,314 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-13 05:03:01,314 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-13 05:03:01,314 INFO L153 SettingsManager]: * Future-live optimization=false [2024-09-13 05:03:01,314 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-13 05:03:01,314 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-13 05:03:01,315 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-13 05:03:01,315 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-13 05:03:01,316 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-13 05:03:01,316 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-13 05:03:01,316 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-09-13 05:03:01,316 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-09-13 05:03:01,317 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-13 05:03:01,317 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-13 05:03:01,318 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-13 05:03:01,318 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-13 05:03:01,319 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2024-09-13 05:03:01,319 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/certificate-witnesses-artifact/referee/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None [2024-09-13 05:03:01,650 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-13 05:03:01,674 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-13 05:03:01,677 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-13 05:03:01,678 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-13 05:03:01,679 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-13 05:03:01,681 INFO L431 ainManager$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 [2024-09-13 05:03:01,749 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-13 05:03:01,749 INFO L274 PluginConnector]: CDTParser initialized [2024-09-13 05:03:01,750 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/loop-invgen/id_build.i.p+sep-reducer.c [2024-09-13 05:03:03,354 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-13 05:03:03,651 INFO L384 CDTParser]: Found 1 translation units. [2024-09-13 05:03:03,652 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-invgen/id_build.i.p+sep-reducer.c [2024-09-13 05:03:03,670 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/c8bc2ba24/f62d123255124f20ac00e4bcf52ca3b4/FLAG1932b10ab [2024-09-13 05:03:03,685 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/c8bc2ba24/f62d123255124f20ac00e4bcf52ca3b4 [2024-09-13 05:03:03,685 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-13 05:03:03,687 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-09-13 05:03:03,690 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-13 05:03:03,690 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-13 05:03:03,695 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-13 05:03:03,696 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 13.09 05:03:01" (1/2) ... [2024-09-13 05:03:03,698 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@41435e7e and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 13.09 05:03:03, skipping insertion in model container [2024-09-13 05:03:03,698 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 13.09 05:03:01" (1/2) ... [2024-09-13 05:03:03,700 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@5886b4b0 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 13.09 05:03:03, skipping insertion in model container [2024-09-13 05:03:03,700 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.09 05:03:03" (2/2) ... [2024-09-13 05:03:03,700 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@41435e7e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 05:03:03, skipping insertion in model container [2024-09-13 05:03:03,703 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.09 05:03:03" (2/2) ... [2024-09-13 05:03:03,743 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-13 05:03:03,743 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))) [2024-09-13 05:03:03,744 INFO L1541 ArrayList]: Location invariant before [L2098-L2411] ((\old(__return_1135) == __return_1135) && (0 <= main__i)) [2024-09-13 05:03:03,744 INFO L1541 ArrayList]: Location invariant before [L541-L2645] ((\old(__return_1135) == __return_1135) && (0 <= main__i)) [2024-09-13 05:03:03,744 INFO L1541 ArrayList]: Location invariant before [L1464-L1499] (((\old(__return_1135) == __return_1135) && (((long long) main__i + 1) <= main__nlen)) && (0 <= main__i)) [2024-09-13 05:03:03,744 INFO L1541 ArrayList]: Location invariant before [L1060-L2567] ((\old(__return_1135) == __return_1135) && (0 <= main__i)) [2024-09-13 05:03:03,744 INFO L1541 ArrayList]: Location invariant before [L426-L461] (((\old(__return_1135) == __return_1135) && (((long long) main__i + 1) <= main__nlen)) && (0 <= main__i)) [2024-09-13 05:03:03,744 INFO L1541 ArrayList]: Location invariant before [L1579-L2489] ((\old(__return_1135) == __return_1135) && (0 <= main__i)) [2024-09-13 05:03:03,744 INFO L1541 ArrayList]: Location invariant before [L945-L980] (((\old(__return_1135) == __return_1135) && (((long long) main__i + 1) <= main__nlen)) && (0 <= main__i)) [2024-09-13 05:03:03,745 INFO L1541 ArrayList]: Location invariant before [L2303-L2334] (((\old(__return_1135) == __return_1135) && (((long long) main__i + 1) <= main__nlen)) && (0 <= main__i)) [2024-09-13 05:03:03,800 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-13 05:03:04,178 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] [2024-09-13 05:03:04,220 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] [2024-09-13 05:03:04,244 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-13 05:03:04,262 INFO L200 MainTranslator]: Completed pre-run Start Parsing Local Start Parsing Local Start Parsing Local [2024-09-13 05:03:04,416 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] [2024-09-13 05:03:04,431 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 [2024-09-13 05:03:04,474 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-13 05:03:04,493 INFO L204 MainTranslator]: Completed translation [2024-09-13 05:03:04,494 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 05:03:04 WrapperNode [2024-09-13 05:03:04,494 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-13 05:03:04,495 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-13 05:03:04,495 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-13 05:03:04,495 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-13 05:03:04,508 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 05:03:04" (1/1) ... [2024-09-13 05:03:04,509 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 05:03:04" (1/1) ... [2024-09-13 05:03:04,539 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 05:03:04" (1/1) ... [2024-09-13 05:03:04,575 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-09-13 05:03:04,579 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 05:03:04" (1/1) ... [2024-09-13 05:03:04,579 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 05:03:04" (1/1) ... [2024-09-13 05:03:04,614 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 05:03:04" (1/1) ... [2024-09-13 05:03:04,626 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 05:03:04" (1/1) ... [2024-09-13 05:03:04,631 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 05:03:04" (1/1) ... [2024-09-13 05:03:04,636 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 05:03:04" (1/1) ... [2024-09-13 05:03:04,645 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-13 05:03:04,646 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-13 05:03:04,646 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-13 05:03:04,646 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-13 05:03:04,647 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 05:03:04" (1/1) ... [2024-09-13 05:03:04,656 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-13 05:03:04,668 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-09-13 05:03:04,683 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/certificate-witnesses-artifact/referee/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-09-13 05:03:04,685 INFO L327 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/referee/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-09-13 05:03:04,734 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-09-13 05:03:04,734 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-13 05:03:04,735 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-09-13 05:03:04,735 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-09-13 05:03:04,735 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-09-13 05:03:04,735 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-09-13 05:03:04,735 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-09-13 05:03:04,735 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-09-13 05:03:04,737 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-13 05:03:04,737 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-09-13 05:03:04,737 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-09-13 05:03:04,737 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2024-09-13 05:03:04,737 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-09-13 05:03:04,738 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-09-13 05:03:04,738 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-09-13 05:03:04,738 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-13 05:03:04,738 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#0 [2024-09-13 05:03:04,738 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#0 [2024-09-13 05:03:04,738 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-09-13 05:03:04,918 INFO L242 CfgBuilder]: Building ICFG [2024-09-13 05:03:04,920 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-13 05:03:06,461 INFO L291 CfgBuilder]: Performing block encoding [2024-09-13 05:03:06,521 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-13 05:03:06,521 INFO L318 CfgBuilder]: Removed 0 assume(true) statements. [2024-09-13 05:03:06,523 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.09 05:03:06 BoogieIcfgContainer [2024-09-13 05:03:06,523 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-13 05:03:06,524 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-09-13 05:03:06,524 INFO L270 PluginConnector]: Initializing Referee... [2024-09-13 05:03:06,525 INFO L274 PluginConnector]: Referee initialized [2024-09-13 05:03:06,525 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 13.09 05:03:01" (1/4) ... [2024-09-13 05:03:06,525 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@69fe1b30 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 13.09 05:03:06, skipping insertion in model container [2024-09-13 05:03:06,526 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 13.09 05:03:03" (2/4) ... [2024-09-13 05:03:06,526 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@69fe1b30 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 13.09 05:03:06, skipping insertion in model container [2024-09-13 05:03:06,526 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 05:03:04" (3/4) ... [2024-09-13 05:03:06,526 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@69fe1b30 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 13.09 05:03:06, skipping insertion in model container [2024-09-13 05:03:06,527 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.09 05:03:06" (4/4) ... [2024-09-13 05:03:06,528 INFO L79 RefereeObserver]: Analyzing ICFG id_build.i.p+sep-reducer.c [2024-09-13 05:03:06,532 INFO L112 InvariantChecker]: Found 0 loops. [2024-09-13 05:03:06,533 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr2ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 118 edges. [2024-09-13 05:03:06,535 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr4ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 181 edges. [2024-09-13 05:03:06,536 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr9ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 286 edges. [2024-09-13 05:03:06,536 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr3ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 127 edges. [2024-09-13 05:03:06,536 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr5ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 190 edges. [2024-09-13 05:03:06,537 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr6ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 216 edges. [2024-09-13 05:03:06,537 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 55 edges. [2024-09-13 05:03:06,538 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr7ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 287 edges. [2024-09-13 05:03:06,538 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr8ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 250 edges. [2024-09-13 05:03:06,538 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr1ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 64 edges. [2024-09-13 05:03:06,539 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr10ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 287 edges. [2024-09-13 05:03:06,540 INFO L130 InvariantChecker]: Will check 11 loop-free subgraphs from procedure entry to error location [2024-09-13 05:03:06,685 INFO L314 BlockEncoder]: Initial Icfg 109 locations, 118 edges [2024-09-13 05:03:06,686 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 05:03:06,687 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 05:03:06,687 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 05:03:06,688 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 05:03:06,691 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:03:07,863 INFO L101 BaseMinimizeStates]: Removed 710 edges and 105 locations by large block encoding [2024-09-13 05:03:07,867 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:03:07,867 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 05:03:07,867 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 05:03:07,868 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 05:03:07,900 INFO L314 BlockEncoder]: Encoded RCFG 4 locations, 8 edges [2024-09-13 05:03:07,901 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.referee has thrown an exception: java.lang.AssertionError: Either subgraph not acyclic or there is a bug at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AcyclicSubgraphMerger.(AcyclicSubgraphMerger.java:169) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.InvariantChecker.(InvariantChecker.java:144) at de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeStarter.(RefereeStarter.java:56) at de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver.finish(RefereeObserver.java:80) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2024-09-13 05:03:07,906 INFO L158 Benchmark]: Toolchain (without parser) took 4219.30ms. Allocated memory was 67.1MB in the beginning and 203.4MB in the end (delta: 136.3MB). Free memory was 44.0MB in the beginning and 110.5MB in the end (delta: -66.5MB). Peak memory consumption was 111.8MB. Max. memory is 16.1GB. [2024-09-13 05:03:07,907 INFO L158 Benchmark]: Witness Parser took 0.36ms. Allocated memory is still 41.9MB. Free memory was 18.6MB in the beginning and 18.6MB in the end (delta: 42.0kB). There was no memory consumed. Max. memory is 16.1GB. [2024-09-13 05:03:07,907 INFO L158 Benchmark]: CDTParser took 0.19ms. Allocated memory is still 67.1MB. Free memory is still 49.9MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-13 05:03:07,908 INFO L158 Benchmark]: CACSL2BoogieTranslator took 804.10ms. Allocated memory was 67.1MB in the beginning and 81.8MB in the end (delta: 14.7MB). Free memory was 43.8MB in the beginning and 55.5MB in the end (delta: -11.6MB). Peak memory consumption was 31.1MB. Max. memory is 16.1GB. [2024-09-13 05:03:07,909 INFO L158 Benchmark]: Boogie Preprocessor took 150.61ms. Allocated memory is still 81.8MB. Free memory was 55.5MB in the beginning and 46.7MB in the end (delta: 8.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-09-13 05:03:07,909 INFO L158 Benchmark]: RCFGBuilder took 1877.12ms. Allocated memory was 81.8MB in the beginning and 111.1MB in the end (delta: 29.4MB). Free memory was 46.7MB in the beginning and 57.1MB in the end (delta: -10.4MB). Peak memory consumption was 32.8MB. Max. memory is 16.1GB. [2024-09-13 05:03:07,911 INFO L158 Benchmark]: Referee took 1381.06ms. Allocated memory was 111.1MB in the beginning and 203.4MB in the end (delta: 92.3MB). Free memory was 57.1MB in the beginning and 110.5MB in the end (delta: -53.4MB). Peak memory consumption was 79.4MB. Max. memory is 16.1GB. [2024-09-13 05:03:07,915 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 0.36ms. Allocated memory is still 41.9MB. Free memory was 18.6MB in the beginning and 18.6MB in the end (delta: 42.0kB). There was no memory consumed. Max. memory is 16.1GB. * CDTParser took 0.19ms. Allocated memory is still 67.1MB. Free memory is still 49.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 804.10ms. Allocated memory was 67.1MB in the beginning and 81.8MB in the end (delta: 14.7MB). Free memory was 43.8MB in the beginning and 55.5MB in the end (delta: -11.6MB). Peak memory consumption was 31.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 150.61ms. Allocated memory is still 81.8MB. Free memory was 55.5MB in the beginning and 46.7MB in the end (delta: 8.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 1877.12ms. Allocated memory was 81.8MB in the beginning and 111.1MB in the end (delta: 29.4MB). Free memory was 46.7MB in the beginning and 57.1MB in the end (delta: -10.4MB). Peak memory consumption was 32.8MB. Max. memory is 16.1GB. * Referee took 1381.06ms. Allocated memory was 111.1MB in the beginning and 203.4MB in the end (delta: 92.3MB). Free memory was 57.1MB in the beginning and 110.5MB in the end (delta: -53.4MB). Peak memory consumption was 79.4MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-09-13 05:03:07,949 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