./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/loop-invgen/id_build.i.v+lhb-reducer.c --full-output --witness-type correctness_witness --validate ../results/automizer-verification-files/SV-COMP24_unreach-call/id_build.i.v+lhb-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.v+lhb-reducer.c ../results/automizer-verification-files/SV-COMP24_unreach-call/id_build.i.v+lhb-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 16:48:12,276 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-12 16:48:12,332 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Default.epf [2024-09-12 16:48:12,339 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-12 16:48:12,339 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-12 16:48:12,358 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-12 16:48:12,358 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-12 16:48:12,358 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-12 16:48:12,358 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-12 16:48:12,359 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-12 16:48:12,359 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-12 16:48:12,360 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-12 16:48:12,361 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-12 16:48:12,362 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-12 16:48:12,364 INFO L153 SettingsManager]: * Use SBE=true [2024-09-12 16:48:12,364 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-12 16:48:12,364 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-12 16:48:12,364 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-12 16:48:12,365 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-09-12 16:48:12,365 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-12 16:48:12,365 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-12 16:48:12,365 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-12 16:48:12,365 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-12 16:48:12,365 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-12 16:48:12,366 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-12 16:48:12,366 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-12 16:48:12,366 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-12 16:48:12,366 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-12 16:48:12,366 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-12 16:48:12,366 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-12 16:48:12,366 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-12 16:48:12,367 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-12 16:48:12,367 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-12 16:48:12,367 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-12 16:48:12,367 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-12 16:48:12,367 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-12 16:48:12,367 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-09-12 16:48:12,367 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-09-12 16:48:12,368 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-12 16:48:12,368 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-12 16:48:12,368 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-12 16:48:12,369 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-12 16:48:12,369 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None [2024-09-12 16:48:12,593 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-12 16:48:12,616 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-12 16:48:12,619 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-12 16:48:12,620 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-12 16:48:12,620 INFO L274 PluginConnector]: CDTParser initialized [2024-09-12 16:48:12,621 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/loop-invgen/id_build.i.v+lhb-reducer.c [2024-09-12 16:48:13,890 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-12 16:48:14,042 INFO L384 CDTParser]: Found 1 translation units. [2024-09-12 16:48:14,045 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-invgen/id_build.i.v+lhb-reducer.c [2024-09-12 16:48:14,052 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/dc63f6ad1/60ab000554c6456c9347dfe362a11661/FLAGa0946aba6 [2024-09-12 16:48:14,448 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/dc63f6ad1/60ab000554c6456c9347dfe362a11661 [2024-09-12 16:48:14,450 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-12 16:48:14,451 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-12 16:48:14,451 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/automizer-verification-files/SV-COMP24_unreach-call/id_build.i.v+lhb-reducer.yml/witness-2.1.yml [2024-09-12 16:48:14,503 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-12 16:48:14,504 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-09-12 16:48:14,506 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-12 16:48:14,506 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-12 16:48:14,510 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-12 16:48:14,510 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.09 04:48:14" (1/2) ... [2024-09-12 16:48:14,512 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@311cd098 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.09 04:48:14, skipping insertion in model container [2024-09-12 16:48:14,512 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.09 04:48:14" (1/2) ... [2024-09-12 16:48:14,513 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@7657a01a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.09 04:48:14, skipping insertion in model container [2024-09-12 16:48:14,513 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 04:48:14" (2/2) ... [2024-09-12 16:48:14,514 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@311cd098 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 12.09 04:48:14, skipping insertion in model container [2024-09-12 16:48:14,514 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 04:48:14" (2/2) ... [2024-09-12 16:48:14,519 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-12 16:48:14,519 INFO L1541 ArrayList]: Location invariant before [L55-L86] (((((long long) main__i + 1) <= main__nlen) && (\old(__return_100) == __return_100)) && (0 <= main__i)) [2024-09-12 16:48:14,519 INFO L1541 ArrayList]: Location invariant before [L39-L89] (((((long long) main__i + 1) <= main__nlen) && (\old(__return_100) == __return_100)) && (0 <= main__i)) [2024-09-12 16:48:14,519 INFO L1541 ArrayList]: Location invariant before [L23-L101] ((\old(__return_100) == __return_100) && (0 <= main__i)) [2024-09-12 16:48:14,535 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-12 16:48:14,646 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-invgen/id_build.i.v+lhb-reducer.c[854,867] [2024-09-12 16:48:14,650 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-invgen/id_build.i.v+lhb-reducer.c[1096,1109] [2024-09-12 16:48:14,651 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-invgen/id_build.i.v+lhb-reducer.c[1375,1388] [2024-09-12 16:48:14,653 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-12 16:48:14,663 INFO L200 MainTranslator]: Completed pre-run [2024-09-12 16:48:14,673 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-invgen/id_build.i.v+lhb-reducer.c[854,867] [2024-09-12 16:48:14,675 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-invgen/id_build.i.v+lhb-reducer.c[1096,1109] [2024-09-12 16:48:14,676 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-invgen/id_build.i.v+lhb-reducer.c[1375,1388] Start Parsing Local Start Parsing Local Start Parsing Local [2024-09-12 16:48:14,697 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-12 16:48:14,709 INFO L204 MainTranslator]: Completed translation [2024-09-12 16:48:14,709 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 12.09 04:48:14 WrapperNode [2024-09-12 16:48:14,710 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-12 16:48:14,710 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-12 16:48:14,711 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-12 16:48:14,711 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-12 16:48:14,719 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 04:48:14" (1/1) ... [2024-09-12 16:48:14,720 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 04:48:14" (1/1) ... [2024-09-12 16:48:14,724 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 04:48:14" (1/1) ... [2024-09-12 16:48:14,732 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 16:48:14,733 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 04:48:14" (1/1) ... [2024-09-12 16:48:14,733 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 04:48:14" (1/1) ... [2024-09-12 16:48:14,736 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 04:48:14" (1/1) ... [2024-09-12 16:48:14,737 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 04:48:14" (1/1) ... [2024-09-12 16:48:14,738 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 04:48:14" (1/1) ... [2024-09-12 16:48:14,739 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 04:48:14" (1/1) ... [2024-09-12 16:48:14,740 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-12 16:48:14,740 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-12 16:48:14,740 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-12 16:48:14,740 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-12 16:48:14,741 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 04:48:14" (1/1) ... [2024-09-12 16:48:14,745 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-12 16:48:14,750 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-09-12 16:48:14,763 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 16:48:14,764 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 16:48:14,795 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-09-12 16:48:14,796 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-12 16:48:14,796 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-09-12 16:48:14,796 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-09-12 16:48:14,796 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-09-12 16:48:14,796 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-09-12 16:48:14,796 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-09-12 16:48:14,796 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-09-12 16:48:14,796 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-12 16:48:14,796 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-09-12 16:48:14,796 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-09-12 16:48:14,796 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2024-09-12 16:48:14,796 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-09-12 16:48:14,796 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-09-12 16:48:14,797 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-09-12 16:48:14,797 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-12 16:48:14,797 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-09-12 16:48:14,797 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-09-12 16:48:14,797 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-09-12 16:48:14,866 INFO L242 CfgBuilder]: Building ICFG [2024-09-12 16:48:14,868 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-12 16:48:15,030 INFO L? ?]: Removed 22 outVars from TransFormulas that were not future-live. [2024-09-12 16:48:15,031 INFO L291 CfgBuilder]: Performing block encoding [2024-09-12 16:48:15,061 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-12 16:48:15,062 INFO L318 CfgBuilder]: Removed 0 assume(true) statements. [2024-09-12 16:48:15,062 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.09 04:48:15 BoogieIcfgContainer [2024-09-12 16:48:15,062 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-12 16:48:15,063 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-09-12 16:48:15,063 INFO L270 PluginConnector]: Initializing Referee... [2024-09-12 16:48:15,063 INFO L274 PluginConnector]: Referee initialized [2024-09-12 16:48:15,064 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 12.09 04:48:14" (1/4) ... [2024-09-12 16:48:15,064 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@7eea1c69 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 12.09 04:48:15, skipping insertion in model container [2024-09-12 16:48:15,064 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 04:48:14" (2/4) ... [2024-09-12 16:48:15,064 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@7eea1c69 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 12.09 04:48:15, skipping insertion in model container [2024-09-12 16:48:15,064 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 04:48:14" (3/4) ... [2024-09-12 16:48:15,065 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@7eea1c69 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 12.09 04:48:15, skipping insertion in model container [2024-09-12 16:48:15,065 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 04:48:15" (4/4) ... [2024-09-12 16:48:15,065 INFO L79 RefereeObserver]: Analyzing ICFG id_build.i.v+lhb-reducer.c [2024-09-12 16:48:15,068 INFO L112 InvariantChecker]: Found 0 loops. [2024-09-12 16:48:15,069 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr2ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 15 edges. [2024-09-12 16:48:15,069 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr4ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 15 edges. [2024-09-12 16:48:15,069 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr3ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 16 edges. [2024-09-12 16:48:15,069 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 5 edges. [2024-09-12 16:48:15,070 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr5ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 16 edges. [2024-09-12 16:48:15,070 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr1ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 7 edges. [2024-09-12 16:48:15,070 INFO L130 InvariantChecker]: Will check 6 loop-free subgraphs from procedure entry to error location [2024-09-12 16:48:15,111 INFO L314 BlockEncoder]: Initial Icfg 13 locations, 15 edges [2024-09-12 16:48:15,112 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-12 16:48:15,113 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-12 16:48:15,113 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-12 16:48:15,114 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-12 16:48:15,116 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 16:48:15,163 INFO L101 BaseMinimizeStates]: Removed 27 edges and 8 locations by large block encoding [2024-09-12 16:48:15,164 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 16:48:15,164 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-12 16:48:15,164 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-12 16:48:15,164 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-12 16:48:15,165 INFO L314 BlockEncoder]: Encoded RCFG 5 locations, 10 edges [2024-09-12 16:48:15,176 INFO L314 BlockEncoder]: Initial Icfg 13 locations, 15 edges [2024-09-12 16:48:15,177 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-12 16:48:15,177 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-12 16:48:15,177 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-12 16:48:15,177 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-12 16:48:15,177 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 16:48:15,194 INFO L101 BaseMinimizeStates]: Removed 24 edges and 8 locations by large block encoding [2024-09-12 16:48:15,195 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 16:48:15,195 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-12 16:48:15,195 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-12 16:48:15,196 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-12 16:48:15,196 INFO L314 BlockEncoder]: Encoded RCFG 5 locations, 9 edges [2024-09-12 16:48:15,208 INFO L314 BlockEncoder]: Initial Icfg 14 locations, 16 edges [2024-09-12 16:48:15,208 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-12 16:48:15,208 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-12 16:48:15,208 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-12 16:48:15,208 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-12 16:48:15,208 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 16:48:15,223 INFO L101 BaseMinimizeStates]: Removed 25 edges and 9 locations by large block encoding [2024-09-12 16:48:15,223 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 16:48:15,224 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-12 16:48:15,224 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-12 16:48:15,224 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-12 16:48:15,224 INFO L314 BlockEncoder]: Encoded RCFG 5 locations, 8 edges [2024-09-12 16:48:15,229 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 5 edges [2024-09-12 16:48:15,232 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-12 16:48:15,232 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-12 16:48:15,232 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-12 16:48:15,232 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-12 16:48:15,232 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 16:48:15,238 INFO L101 BaseMinimizeStates]: Removed 7 edges and 2 locations by large block encoding [2024-09-12 16:48:15,238 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 16:48:15,239 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-12 16:48:15,239 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-12 16:48:15,239 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-12 16:48:15,239 INFO L314 BlockEncoder]: Encoded RCFG 3 locations, 4 edges [2024-09-12 16:48:15,239 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 16:48:15,243 INFO L158 Benchmark]: Toolchain (without parser) took 737.83ms. Allocated memory is still 186.6MB. Free memory was 157.9MB in the beginning and 122.7MB in the end (delta: 35.2MB). Peak memory consumption was 33.1MB. Max. memory is 16.1GB. [2024-09-12 16:48:15,243 INFO L158 Benchmark]: CDTParser took 0.14ms. Allocated memory is still 186.6MB. Free memory was 147.8MB in the beginning and 147.7MB in the end (delta: 184.6kB). There was no memory consumed. Max. memory is 16.1GB. [2024-09-12 16:48:15,244 INFO L158 Benchmark]: Witness Parser took 0.98ms. Allocated memory is still 186.6MB. Free memory was 148.7MB in the beginning and 148.7MB in the end (delta: 34.9kB). There was no memory consumed. Max. memory is 16.1GB. [2024-09-12 16:48:15,244 INFO L158 Benchmark]: CACSL2BoogieTranslator took 203.58ms. Allocated memory is still 186.6MB. Free memory was 157.9MB in the beginning and 143.2MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-09-12 16:48:15,245 INFO L158 Benchmark]: Boogie Preprocessor took 29.43ms. Allocated memory is still 186.6MB. Free memory was 143.2MB in the beginning and 141.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-09-12 16:48:15,245 INFO L158 Benchmark]: RCFGBuilder took 321.93ms. Allocated memory is still 186.6MB. Free memory was 141.1MB in the beginning and 146.8MB in the end (delta: -5.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-09-12 16:48:15,246 INFO L158 Benchmark]: Referee took 178.93ms. Allocated memory is still 186.6MB. Free memory was 146.8MB in the beginning and 122.7MB in the end (delta: 24.1MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-09-12 16:48:15,248 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.referee: - ExceptionOrErrorResult: AssertionError: Either subgraph not acyclic or there is a bug de.uni_freiburg.informatik.ultimate.plugins.generator.referee: AssertionError: Either subgraph not acyclic or there is a bug: de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AcyclicSubgraphMerger.(AcyclicSubgraphMerger.java:169) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14ms. Allocated memory is still 186.6MB. Free memory was 147.8MB in the beginning and 147.7MB in the end (delta: 184.6kB). There was no memory consumed. Max. memory is 16.1GB. * Witness Parser took 0.98ms. Allocated memory is still 186.6MB. Free memory was 148.7MB in the beginning and 148.7MB in the end (delta: 34.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 203.58ms. Allocated memory is still 186.6MB. Free memory was 157.9MB in the beginning and 143.2MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Preprocessor took 29.43ms. Allocated memory is still 186.6MB. Free memory was 143.2MB in the beginning and 141.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 321.93ms. Allocated memory is still 186.6MB. Free memory was 141.1MB in the beginning and 146.8MB in the end (delta: -5.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Referee took 178.93ms. Allocated memory is still 186.6MB. Free memory was 146.8MB in the beginning and 122.7MB in the end (delta: 24.1MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-09-12 16:48:15,273 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.v+lhb-reducer.c ../results/automizer-verification-files/SV-COMP24_unreach-call/id_build.i.v+lhb-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 16:48:16,995 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-12 16:48:17,057 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Bitvector.epf [2024-09-12 16:48:17,062 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-12 16:48:17,062 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-12 16:48:17,085 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-12 16:48:17,085 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-12 16:48:17,086 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-12 16:48:17,086 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-12 16:48:17,089 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-12 16:48:17,089 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-12 16:48:17,090 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-12 16:48:17,090 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-12 16:48:17,090 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-12 16:48:17,090 INFO L153 SettingsManager]: * Use SBE=true [2024-09-12 16:48:17,091 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-12 16:48:17,091 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-12 16:48:17,091 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-12 16:48:17,092 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-12 16:48:17,093 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-12 16:48:17,093 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-12 16:48:17,093 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-12 16:48:17,093 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-12 16:48:17,093 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-09-12 16:48:17,094 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-09-12 16:48:17,094 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-12 16:48:17,094 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-09-12 16:48:17,095 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-12 16:48:17,095 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-12 16:48:17,095 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-12 16:48:17,095 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-12 16:48:17,095 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-12 16:48:17,096 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-12 16:48:17,097 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-12 16:48:17,097 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-12 16:48:17,097 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-12 16:48:17,097 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-12 16:48:17,097 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-12 16:48:17,098 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-09-12 16:48:17,098 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-09-12 16:48:17,098 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-12 16:48:17,099 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-12 16:48:17,099 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-12 16:48:17,099 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-12 16:48:17,099 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2024-09-12 16:48:17,099 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None [2024-09-12 16:48:17,360 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-12 16:48:17,383 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-12 16:48:17,385 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-12 16:48:17,386 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-12 16:48:17,386 INFO L274 PluginConnector]: CDTParser initialized [2024-09-12 16:48:17,387 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/loop-invgen/id_build.i.v+lhb-reducer.c [2024-09-12 16:48:18,597 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-12 16:48:18,788 INFO L384 CDTParser]: Found 1 translation units. [2024-09-12 16:48:18,788 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-invgen/id_build.i.v+lhb-reducer.c [2024-09-12 16:48:18,795 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/46baf7118/33837527d9a946b68fedff9f8c3e2b55/FLAG473126b10 [2024-09-12 16:48:18,810 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/46baf7118/33837527d9a946b68fedff9f8c3e2b55 [2024-09-12 16:48:18,812 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-12 16:48:18,812 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-12 16:48:18,813 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/automizer-verification-files/SV-COMP24_unreach-call/id_build.i.v+lhb-reducer.yml/witness-2.1.yml [2024-09-12 16:48:18,854 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-12 16:48:18,855 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-09-12 16:48:18,856 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-12 16:48:18,856 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-12 16:48:18,860 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-12 16:48:18,860 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.09 04:48:18" (1/2) ... [2024-09-12 16:48:18,861 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@89e84bd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.09 04:48:18, skipping insertion in model container [2024-09-12 16:48:18,863 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.09 04:48:18" (1/2) ... [2024-09-12 16:48:18,864 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@51451d47 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.09 04:48:18, skipping insertion in model container [2024-09-12 16:48:18,864 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 04:48:18" (2/2) ... [2024-09-12 16:48:18,864 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@89e84bd and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 12.09 04:48:18, skipping insertion in model container [2024-09-12 16:48:18,864 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 04:48:18" (2/2) ... [2024-09-12 16:48:18,872 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-12 16:48:18,873 INFO L1541 ArrayList]: Location invariant before [L55-L86] (((((long long) main__i + 1) <= main__nlen) && (\old(__return_100) == __return_100)) && (0 <= main__i)) [2024-09-12 16:48:18,873 INFO L1541 ArrayList]: Location invariant before [L23-L101] ((\old(__return_100) == __return_100) && (0 <= main__i)) [2024-09-12 16:48:18,873 INFO L1541 ArrayList]: Location invariant before [L39-L89] (((((long long) main__i + 1) <= main__nlen) && (\old(__return_100) == __return_100)) && (0 <= main__i)) [2024-09-12 16:48:18,888 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-12 16:48:18,997 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-invgen/id_build.i.v+lhb-reducer.c[854,867] [2024-09-12 16:48:19,007 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-invgen/id_build.i.v+lhb-reducer.c[1096,1109] [2024-09-12 16:48:19,009 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-invgen/id_build.i.v+lhb-reducer.c[1375,1388] [2024-09-12 16:48:19,012 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-12 16:48:19,022 INFO L200 MainTranslator]: Completed pre-run [2024-09-12 16:48:19,032 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-invgen/id_build.i.v+lhb-reducer.c[854,867] [2024-09-12 16:48:19,033 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-invgen/id_build.i.v+lhb-reducer.c[1096,1109] [2024-09-12 16:48:19,036 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-invgen/id_build.i.v+lhb-reducer.c[1375,1388] Start Parsing Local Start Parsing Local Start Parsing Local [2024-09-12 16:48:19,065 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-12 16:48:19,079 INFO L204 MainTranslator]: Completed translation [2024-09-12 16:48:19,079 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 12.09 04:48:19 WrapperNode [2024-09-12 16:48:19,079 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-12 16:48:19,080 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-12 16:48:19,080 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-12 16:48:19,080 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-12 16:48:19,089 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 04:48:19" (1/1) ... [2024-09-12 16:48:19,090 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 04:48:19" (1/1) ... [2024-09-12 16:48:19,095 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 04:48:19" (1/1) ... [2024-09-12 16:48:19,106 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 16:48:19,106 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 04:48:19" (1/1) ... [2024-09-12 16:48:19,106 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 04:48:19" (1/1) ... [2024-09-12 16:48:19,111 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 04:48:19" (1/1) ... [2024-09-12 16:48:19,112 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 04:48:19" (1/1) ... [2024-09-12 16:48:19,113 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 04:48:19" (1/1) ... [2024-09-12 16:48:19,114 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 04:48:19" (1/1) ... [2024-09-12 16:48:19,116 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-12 16:48:19,116 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-12 16:48:19,116 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-12 16:48:19,116 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-12 16:48:19,117 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 04:48:19" (1/1) ... [2024-09-12 16:48:19,121 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-12 16:48:19,127 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-09-12 16:48:19,139 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 16:48:19,142 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 16:48:19,178 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-09-12 16:48:19,178 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-12 16:48:19,178 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-09-12 16:48:19,178 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-09-12 16:48:19,178 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-09-12 16:48:19,178 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-09-12 16:48:19,178 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-09-12 16:48:19,179 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-09-12 16:48:19,179 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-12 16:48:19,179 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-09-12 16:48:19,180 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-09-12 16:48:19,180 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2024-09-12 16:48:19,180 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-09-12 16:48:19,180 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-09-12 16:48:19,181 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-09-12 16:48:19,181 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-12 16:48:19,181 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#0 [2024-09-12 16:48:19,181 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#0 [2024-09-12 16:48:19,181 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-09-12 16:48:19,250 INFO L242 CfgBuilder]: Building ICFG [2024-09-12 16:48:19,251 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-12 16:48:19,447 INFO L? ?]: Removed 22 outVars from TransFormulas that were not future-live. [2024-09-12 16:48:19,447 INFO L291 CfgBuilder]: Performing block encoding [2024-09-12 16:48:19,478 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-12 16:48:19,479 INFO L318 CfgBuilder]: Removed 0 assume(true) statements. [2024-09-12 16:48:19,479 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.09 04:48:19 BoogieIcfgContainer [2024-09-12 16:48:19,479 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-12 16:48:19,480 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-09-12 16:48:19,480 INFO L270 PluginConnector]: Initializing Referee... [2024-09-12 16:48:19,481 INFO L274 PluginConnector]: Referee initialized [2024-09-12 16:48:19,481 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 12.09 04:48:18" (1/4) ... [2024-09-12 16:48:19,482 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@10c414c9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 12.09 04:48:19, skipping insertion in model container [2024-09-12 16:48:19,482 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 04:48:18" (2/4) ... [2024-09-12 16:48:19,483 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@10c414c9 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 12.09 04:48:19, skipping insertion in model container [2024-09-12 16:48:19,483 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 04:48:19" (3/4) ... [2024-09-12 16:48:19,483 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@10c414c9 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 12.09 04:48:19, skipping insertion in model container [2024-09-12 16:48:19,483 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 04:48:19" (4/4) ... [2024-09-12 16:48:19,484 INFO L79 RefereeObserver]: Analyzing ICFG id_build.i.v+lhb-reducer.c [2024-09-12 16:48:19,487 INFO L112 InvariantChecker]: Found 0 loops. [2024-09-12 16:48:19,488 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr2ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 15 edges. [2024-09-12 16:48:19,488 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr4ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 15 edges. [2024-09-12 16:48:19,489 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr3ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 16 edges. [2024-09-12 16:48:19,489 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 5 edges. [2024-09-12 16:48:19,489 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr5ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 16 edges. [2024-09-12 16:48:19,489 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr1ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 7 edges. [2024-09-12 16:48:19,490 INFO L130 InvariantChecker]: Will check 6 loop-free subgraphs from procedure entry to error location [2024-09-12 16:48:19,535 INFO L314 BlockEncoder]: Initial Icfg 13 locations, 15 edges [2024-09-12 16:48:19,536 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-12 16:48:19,537 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-12 16:48:19,537 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-12 16:48:19,538 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-12 16:48:19,540 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 16:48:19,608 INFO L101 BaseMinimizeStates]: Removed 27 edges and 8 locations by large block encoding [2024-09-12 16:48:19,609 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 16:48:19,609 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-12 16:48:19,609 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-12 16:48:19,610 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-12 16:48:19,611 INFO L314 BlockEncoder]: Encoded RCFG 5 locations, 10 edges [2024-09-12 16:48:19,631 INFO L314 BlockEncoder]: Initial Icfg 13 locations, 15 edges [2024-09-12 16:48:19,631 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-12 16:48:19,631 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-12 16:48:19,631 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-12 16:48:19,631 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-12 16:48:19,631 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 16:48:19,662 INFO L101 BaseMinimizeStates]: Removed 24 edges and 8 locations by large block encoding [2024-09-12 16:48:19,662 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 16:48:19,663 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-12 16:48:19,663 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-12 16:48:19,663 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-12 16:48:19,663 INFO L314 BlockEncoder]: Encoded RCFG 5 locations, 9 edges [2024-09-12 16:48:19,676 INFO L314 BlockEncoder]: Initial Icfg 14 locations, 16 edges [2024-09-12 16:48:19,676 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-12 16:48:19,676 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-12 16:48:19,676 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-12 16:48:19,676 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-12 16:48:19,676 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 16:48:19,697 INFO L101 BaseMinimizeStates]: Removed 25 edges and 9 locations by large block encoding [2024-09-12 16:48:19,697 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 16:48:19,697 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-12 16:48:19,697 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-12 16:48:19,697 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-12 16:48:19,698 INFO L314 BlockEncoder]: Encoded RCFG 5 locations, 8 edges [2024-09-12 16:48:19,706 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 5 edges [2024-09-12 16:48:19,709 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-12 16:48:19,709 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-12 16:48:19,710 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-12 16:48:19,710 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-12 16:48:19,710 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 16:48:19,715 INFO L101 BaseMinimizeStates]: Removed 7 edges and 2 locations by large block encoding [2024-09-12 16:48:19,715 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 16:48:19,715 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-12 16:48:19,715 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-12 16:48:19,715 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-12 16:48:19,715 INFO L314 BlockEncoder]: Encoded RCFG 3 locations, 4 edges [2024-09-12 16:48:19,716 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 16:48:19,721 INFO L158 Benchmark]: Toolchain (without parser) took 865.69ms. Allocated memory was 62.9MB in the beginning and 96.5MB in the end (delta: 33.6MB). Free memory was 38.2MB in the beginning and 53.7MB in the end (delta: -15.4MB). Peak memory consumption was 28.6MB. Max. memory is 16.1GB. [2024-09-12 16:48:19,722 INFO L158 Benchmark]: CDTParser took 0.16ms. Allocated memory is still 62.9MB. Free memory is still 39.7MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-12 16:48:19,723 INFO L158 Benchmark]: Witness Parser took 0.54ms. Allocated memory is still 62.9MB. Free memory is still 40.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-12 16:48:19,723 INFO L158 Benchmark]: CACSL2BoogieTranslator took 223.31ms. Allocated memory was 62.9MB in the beginning and 96.5MB in the end (delta: 33.6MB). Free memory was 38.0MB in the beginning and 74.6MB in the end (delta: -36.6MB). Peak memory consumption was 18.1MB. Max. memory is 16.1GB. [2024-09-12 16:48:19,724 INFO L158 Benchmark]: Boogie Preprocessor took 35.55ms. Allocated memory is still 96.5MB. Free memory was 74.6MB in the beginning and 72.1MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-09-12 16:48:19,724 INFO L158 Benchmark]: RCFGBuilder took 363.17ms. Allocated memory is still 96.5MB. Free memory was 72.1MB in the beginning and 56.3MB in the end (delta: 15.9MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-09-12 16:48:19,725 INFO L158 Benchmark]: Referee took 240.05ms. Allocated memory is still 96.5MB. Free memory was 56.3MB in the beginning and 53.7MB in the end (delta: 2.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-09-12 16:48:19,726 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.referee: - ExceptionOrErrorResult: AssertionError: Either subgraph not acyclic or there is a bug de.uni_freiburg.informatik.ultimate.plugins.generator.referee: AssertionError: Either subgraph not acyclic or there is a bug: de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AcyclicSubgraphMerger.(AcyclicSubgraphMerger.java:169) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16ms. Allocated memory is still 62.9MB. Free memory is still 39.7MB. There was no memory consumed. Max. memory is 16.1GB. * Witness Parser took 0.54ms. Allocated memory is still 62.9MB. Free memory is still 40.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 223.31ms. Allocated memory was 62.9MB in the beginning and 96.5MB in the end (delta: 33.6MB). Free memory was 38.0MB in the beginning and 74.6MB in the end (delta: -36.6MB). Peak memory consumption was 18.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 35.55ms. Allocated memory is still 96.5MB. Free memory was 74.6MB in the beginning and 72.1MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 363.17ms. Allocated memory is still 96.5MB. Free memory was 72.1MB in the beginning and 56.3MB in the end (delta: 15.9MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Referee took 240.05ms. Allocated memory is still 96.5MB. Free memory was 56.3MB in the beginning and 53.7MB in the end (delta: 2.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-09-12 16:48:19,750 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 Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: AssertionError: Either subgraph not acyclic or there is a bug