./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/loop-invgen/id_build.i.p+nlh-reducer.c --full-output --witness-type correctness_witness --validate ../results/automizer-verification-files/SV-COMP24_unreach-call/id_build.i.p+nlh-reducer.yml/witness-2.1.yml --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 1d5fa637 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+nlh-reducer.c ../results/automizer-verification-files/SV-COMP24_unreach-call/id_build.i.p+nlh-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-1d5fa63-m [2024-09-13 10:07:25,436 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-13 10:07:25,512 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Default.epf [2024-09-13 10:07:25,515 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-13 10:07:25,516 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-13 10:07:25,544 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-13 10:07:25,544 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-13 10:07:25,545 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-13 10:07:25,545 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-13 10:07:25,545 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-13 10:07:25,546 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-13 10:07:25,546 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-13 10:07:25,547 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-13 10:07:25,548 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-13 10:07:25,548 INFO L153 SettingsManager]: * Use SBE=true [2024-09-13 10:07:25,548 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-13 10:07:25,550 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-13 10:07:25,550 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-13 10:07:25,550 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-09-13 10:07:25,551 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-13 10:07:25,551 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-13 10:07:25,552 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-13 10:07:25,555 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-13 10:07:25,555 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-13 10:07:25,555 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-13 10:07:25,555 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-13 10:07:25,556 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-13 10:07:25,556 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-13 10:07:25,556 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-13 10:07:25,556 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-13 10:07:25,556 INFO L153 SettingsManager]: * Future-live optimization=false [2024-09-13 10:07:25,556 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-13 10:07:25,557 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-13 10:07:25,557 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-13 10:07:25,557 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-13 10:07:25,557 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-13 10:07:25,557 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-13 10:07:25,557 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-09-13 10:07:25,558 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-09-13 10:07:25,558 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-13 10:07:25,558 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-13 10:07:25,559 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-13 10:07:25,559 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-13 10:07:25,559 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None [2024-09-13 10:07:25,747 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-13 10:07:25,765 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-13 10:07:25,767 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-13 10:07:25,767 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-13 10:07:25,768 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-13 10:07:25,769 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/automizer-verification-files/SV-COMP24_unreach-call/id_build.i.p+nlh-reducer.yml/witness-2.1.yml [2024-09-13 10:07:25,824 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-13 10:07:25,825 INFO L274 PluginConnector]: CDTParser initialized [2024-09-13 10:07:25,826 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/loop-invgen/id_build.i.p+nlh-reducer.c [2024-09-13 10:07:27,366 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-13 10:07:27,601 INFO L384 CDTParser]: Found 1 translation units. [2024-09-13 10:07:27,601 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-invgen/id_build.i.p+nlh-reducer.c [2024-09-13 10:07:27,625 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/62b77363e/5b4bbdbfe91c4599a7cdb578fc5d57b4/FLAGb5fab8f3a [2024-09-13 10:07:27,949 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/62b77363e/5b4bbdbfe91c4599a7cdb578fc5d57b4 [2024-09-13 10:07:27,949 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-13 10:07:27,950 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-09-13 10:07:27,956 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-13 10:07:27,956 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-13 10:07:27,960 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-13 10:07:27,961 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 10:07:25" (1/2) ... [2024-09-13 10:07:27,961 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6b3b35d and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 13.09 10:07:27, skipping insertion in model container [2024-09-13 10:07:27,963 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 10:07:25" (1/2) ... [2024-09-13 10:07:27,964 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@3fa46525 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 13.09 10:07:27, skipping insertion in model container [2024-09-13 10:07:27,964 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.09 10:07:27" (2/2) ... [2024-09-13 10:07:27,964 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6b3b35d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 10:07:27, skipping insertion in model container [2024-09-13 10:07:27,964 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.09 10:07:27" (2/2) ... [2024-09-13 10:07:28,002 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-13 10:07:28,003 INFO L1541 ArrayList]: Location invariant before [L225-L2614] (((\old(__return_1719) == __return_1719) && (((long long) main__i + 1) <= main__nlen)) && (0 <= main__i)) [2024-09-13 10:07:28,006 INFO L1541 ArrayList]: Location invariant before [L1304-L2242] (((\old(__return_1719) == __return_1719) && (((long long) main__i + 1) <= main__nlen)) && (0 <= main__i)) [2024-09-13 10:07:28,006 INFO L1541 ArrayList]: Location invariant before [L1742-L2092] (((\old(__return_1719) == __return_1719) && (((long long) main__i + 1) <= main__nlen)) && (0 <= main__i)) [2024-09-13 10:07:28,006 INFO L1541 ArrayList]: Location invariant before [L1542-L2164] (((\old(__return_1719) == __return_1719) && (((long long) main__i + 1) <= main__nlen)) && (0 <= main__i)) [2024-09-13 10:07:28,006 INFO L1541 ArrayList]: Location invariant before [L426-L2542] (((\old(__return_1719) == __return_1719) && (((long long) main__i + 1) <= main__nlen)) && (0 <= main__i)) [2024-09-13 10:07:28,006 INFO L1541 ArrayList]: Location invariant before [L865-L2392] (((\old(__return_1719) == __return_1719) && (((long long) main__i + 1) <= main__nlen)) && (0 <= main__i)) [2024-09-13 10:07:28,006 INFO L1541 ArrayList]: Location invariant before [L1103-L2314] (((\old(__return_1719) == __return_1719) && (((long long) main__i + 1) <= main__nlen)) && (0 <= main__i)) [2024-09-13 10:07:28,007 INFO L1541 ArrayList]: Location invariant before [L1754-L1805] (((\old(__return_1719) == __return_1719) && (((long long) main__i + 1) <= main__nlen)) && (0 <= main__i)) [2024-09-13 10:07:28,007 INFO L1541 ArrayList]: Location invariant before [L1771-L1802] (((\old(__return_1719) == __return_1719) && (((long long) main__i + 1) <= main__nlen)) && (0 <= main__i)) [2024-09-13 10:07:28,007 INFO L1541 ArrayList]: Location invariant before [L664-L2464] (((\old(__return_1719) == __return_1719) && (((long long) main__i + 1) <= main__nlen)) && (0 <= main__i)) [2024-09-13 10:07:28,054 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-13 10:07:28,384 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+nlh-reducer.c[32736,32749] [2024-09-13 10:07:28,396 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+nlh-reducer.c[33038,33051] [2024-09-13 10:07:28,447 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-13 10:07:28,459 INFO L200 MainTranslator]: Completed pre-run [2024-09-13 10:07:28,704 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+nlh-reducer.c[32736,32749] [2024-09-13 10:07:28,709 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+nlh-reducer.c[33038,33051] Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local [2024-09-13 10:07:28,851 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-13 10:07:28,870 INFO L204 MainTranslator]: Completed translation [2024-09-13 10:07:28,870 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 10:07:28 WrapperNode [2024-09-13 10:07:28,870 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-13 10:07:28,874 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-13 10:07:28,874 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-13 10:07:28,874 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-13 10:07:28,891 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 10:07:28" (1/1) ... [2024-09-13 10:07:28,891 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 10:07:28" (1/1) ... [2024-09-13 10:07:28,912 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 10:07:28" (1/1) ... [2024-09-13 10:07:28,938 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 10:07:28,938 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 10:07:28" (1/1) ... [2024-09-13 10:07:28,938 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 10:07:28" (1/1) ... [2024-09-13 10:07:28,959 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 10:07:28" (1/1) ... [2024-09-13 10:07:28,969 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 10:07:28" (1/1) ... [2024-09-13 10:07:28,974 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 10:07:28" (1/1) ... [2024-09-13 10:07:28,977 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 10:07:28" (1/1) ... [2024-09-13 10:07:28,983 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-13 10:07:28,984 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-13 10:07:28,984 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-13 10:07:28,984 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-13 10:07:28,985 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 10:07:28" (1/1) ... [2024-09-13 10:07:28,990 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-13 10:07:28,996 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-09-13 10:07:29,018 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 10:07:29,019 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 10:07:29,053 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-09-13 10:07:29,054 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-13 10:07:29,054 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-09-13 10:07:29,054 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-09-13 10:07:29,054 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-09-13 10:07:29,054 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-09-13 10:07:29,054 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-09-13 10:07:29,054 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-09-13 10:07:29,055 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-13 10:07:29,055 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-09-13 10:07:29,055 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-09-13 10:07:29,055 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2024-09-13 10:07:29,055 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-09-13 10:07:29,055 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-09-13 10:07:29,055 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-09-13 10:07:29,055 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-13 10:07:29,056 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-09-13 10:07:29,056 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-09-13 10:07:29,056 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-09-13 10:07:29,169 INFO L242 CfgBuilder]: Building ICFG [2024-09-13 10:07:29,171 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-13 10:07:30,025 INFO L291 CfgBuilder]: Performing block encoding [2024-09-13 10:07:30,095 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-13 10:07:30,096 INFO L318 CfgBuilder]: Removed 0 assume(true) statements. [2024-09-13 10:07:30,096 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.09 10:07:30 BoogieIcfgContainer [2024-09-13 10:07:30,096 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-13 10:07:30,097 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-09-13 10:07:30,097 INFO L270 PluginConnector]: Initializing Referee... [2024-09-13 10:07:30,097 INFO L274 PluginConnector]: Referee initialized [2024-09-13 10:07:30,097 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 10:07:25" (1/4) ... [2024-09-13 10:07:30,098 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@1cd60556 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 13.09 10:07:30, skipping insertion in model container [2024-09-13 10:07:30,098 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 13.09 10:07:27" (2/4) ... [2024-09-13 10:07:30,098 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@1cd60556 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 13.09 10:07:30, skipping insertion in model container [2024-09-13 10:07:30,098 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 10:07:28" (3/4) ... [2024-09-13 10:07:30,103 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@1cd60556 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 13.09 10:07:30, skipping insertion in model container [2024-09-13 10:07:30,103 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.09 10:07:30" (4/4) ... [2024-09-13 10:07:30,104 INFO L79 RefereeObserver]: Analyzing ICFG id_build.i.p+nlh-reducer.c [2024-09-13 10:07:30,111 INFO L112 InvariantChecker]: Found 0 loops. [2024-09-13 10:07:30,112 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr2ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 91 edges. [2024-09-13 10:07:30,112 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr4ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 155 edges. [2024-09-13 10:07:30,112 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr3ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 120 edges. [2024-09-13 10:07:30,113 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr5ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 184 edges. [2024-09-13 10:07:30,118 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr9ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 292 edges. [2024-09-13 10:07:30,118 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr6ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 219 edges. [2024-09-13 10:07:30,119 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 27 edges. [2024-09-13 10:07:30,119 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr7ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 244 edges. [2024-09-13 10:07:30,119 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr8ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 291 edges. [2024-09-13 10:07:30,119 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr10ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 291 edges. [2024-09-13 10:07:30,120 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr1ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 56 edges. [2024-09-13 10:07:30,120 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr11ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 292 edges. [2024-09-13 10:07:30,120 INFO L130 InvariantChecker]: Will check 12 loop-free subgraphs from procedure entry to error location [2024-09-13 10:07:30,286 INFO L314 BlockEncoder]: Initial Icfg 83 locations, 91 edges [2024-09-13 10:07:30,287 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 10:07:30,287 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 10:07:30,288 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 10:07:30,293 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 10:07:30,294 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:07:31,100 INFO L101 BaseMinimizeStates]: Removed 431 edges and 80 locations by large block encoding [2024-09-13 10:07:31,101 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:07:31,105 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 10:07:31,105 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 10:07:31,106 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 10:07:31,137 INFO L314 BlockEncoder]: Encoded RCFG 3 locations, 4 edges [2024-09-13 10:07:31,138 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 10:07:31,143 INFO L158 Benchmark]: Toolchain (without parser) took 3191.66ms. Allocated memory was 167.8MB in the beginning and 245.4MB in the end (delta: 77.6MB). Free memory was 111.2MB in the beginning and 167.8MB in the end (delta: -56.6MB). Peak memory consumption was 111.4MB. Max. memory is 16.1GB. [2024-09-13 10:07:31,148 INFO L158 Benchmark]: Witness Parser took 0.14ms. Allocated memory is still 167.8MB. Free memory is still 133.7MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-13 10:07:31,149 INFO L158 Benchmark]: CDTParser took 0.13ms. Allocated memory is still 167.8MB. Free memory is still 131.5MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-13 10:07:31,149 INFO L158 Benchmark]: CACSL2BoogieTranslator took 915.01ms. Allocated memory is still 167.8MB. Free memory was 111.2MB in the beginning and 65.7MB in the end (delta: 45.6MB). Peak memory consumption was 46.1MB. Max. memory is 16.1GB. [2024-09-13 10:07:31,149 INFO L158 Benchmark]: Boogie Preprocessor took 109.88ms. Allocated memory is still 167.8MB. Free memory was 65.7MB in the beginning and 58.2MB in the end (delta: 7.5MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2024-09-13 10:07:31,150 INFO L158 Benchmark]: RCFGBuilder took 1112.08ms. Allocated memory is still 167.8MB. Free memory was 58.2MB in the beginning and 124.6MB in the end (delta: -66.4MB). Peak memory consumption was 28.8MB. Max. memory is 16.1GB. [2024-09-13 10:07:31,154 INFO L158 Benchmark]: Referee took 1044.72ms. Allocated memory was 167.8MB in the beginning and 245.4MB in the end (delta: 77.6MB). Free memory was 124.6MB in the beginning and 167.8MB in the end (delta: -43.3MB). Peak memory consumption was 122.4MB. Max. memory is 16.1GB. [2024-09-13 10:07:31,156 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 0.14ms. Allocated memory is still 167.8MB. Free memory is still 133.7MB. There was no memory consumed. Max. memory is 16.1GB. * CDTParser took 0.13ms. Allocated memory is still 167.8MB. Free memory is still 131.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 915.01ms. Allocated memory is still 167.8MB. Free memory was 111.2MB in the beginning and 65.7MB in the end (delta: 45.6MB). Peak memory consumption was 46.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 109.88ms. Allocated memory is still 167.8MB. Free memory was 65.7MB in the beginning and 58.2MB in the end (delta: 7.5MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * RCFGBuilder took 1112.08ms. Allocated memory is still 167.8MB. Free memory was 58.2MB in the beginning and 124.6MB in the end (delta: -66.4MB). Peak memory consumption was 28.8MB. Max. memory is 16.1GB. * Referee took 1044.72ms. Allocated memory was 167.8MB in the beginning and 245.4MB in the end (delta: 77.6MB). Free memory was 124.6MB in the beginning and 167.8MB in the end (delta: -43.3MB). Peak memory consumption was 122.4MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-09-13 10:07:31,202 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+nlh-reducer.c ../results/automizer-verification-files/SV-COMP24_unreach-call/id_build.i.p+nlh-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-1d5fa63-m [2024-09-13 10:07:33,471 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-13 10:07:33,524 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Bitvector.epf [2024-09-13 10:07:33,529 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-13 10:07:33,529 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-13 10:07:33,552 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-13 10:07:33,553 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-13 10:07:33,553 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-13 10:07:33,553 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-13 10:07:33,556 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-13 10:07:33,556 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-13 10:07:33,557 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-13 10:07:33,557 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-13 10:07:33,557 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-13 10:07:33,557 INFO L153 SettingsManager]: * Use SBE=true [2024-09-13 10:07:33,557 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-13 10:07:33,558 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-13 10:07:33,558 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-13 10:07:33,558 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-13 10:07:33,558 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-13 10:07:33,558 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-13 10:07:33,561 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-13 10:07:33,561 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-13 10:07:33,561 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-09-13 10:07:33,561 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-09-13 10:07:33,561 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-13 10:07:33,561 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-09-13 10:07:33,562 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-13 10:07:33,562 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-13 10:07:33,562 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-13 10:07:33,562 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-13 10:07:33,562 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-13 10:07:33,562 INFO L153 SettingsManager]: * Future-live optimization=false [2024-09-13 10:07:33,562 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-13 10:07:33,562 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-13 10:07:33,563 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-13 10:07:33,563 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-13 10:07:33,563 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-13 10:07:33,563 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-13 10:07:33,563 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-09-13 10:07:33,563 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-09-13 10:07:33,564 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-13 10:07:33,565 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-13 10:07:33,565 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-13 10:07:33,565 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-13 10:07:33,565 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2024-09-13 10:07:33,565 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None [2024-09-13 10:07:33,814 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-13 10:07:33,833 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-13 10:07:33,835 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-13 10:07:33,836 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-13 10:07:33,837 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-13 10:07:33,838 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/automizer-verification-files/SV-COMP24_unreach-call/id_build.i.p+nlh-reducer.yml/witness-2.1.yml [2024-09-13 10:07:33,886 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-13 10:07:33,886 INFO L274 PluginConnector]: CDTParser initialized [2024-09-13 10:07:33,887 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/loop-invgen/id_build.i.p+nlh-reducer.c [2024-09-13 10:07:35,346 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-13 10:07:35,565 INFO L384 CDTParser]: Found 1 translation units. [2024-09-13 10:07:35,566 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-invgen/id_build.i.p+nlh-reducer.c [2024-09-13 10:07:35,585 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/a50aea3ae/d7c6c579a2714433a2a5d0a5b226d1f2/FLAG3c6256fc6 [2024-09-13 10:07:35,598 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/a50aea3ae/d7c6c579a2714433a2a5d0a5b226d1f2 [2024-09-13 10:07:35,599 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-13 10:07:35,600 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-09-13 10:07:35,603 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-13 10:07:35,603 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-13 10:07:35,607 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-13 10:07:35,607 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 10:07:33" (1/2) ... [2024-09-13 10:07:35,609 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@69f027 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 13.09 10:07:35, skipping insertion in model container [2024-09-13 10:07:35,610 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 10:07:33" (1/2) ... [2024-09-13 10:07:35,611 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@7fb128f6 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 13.09 10:07:35, skipping insertion in model container [2024-09-13 10:07:35,613 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.09 10:07:35" (2/2) ... [2024-09-13 10:07:35,613 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@69f027 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 10:07:35, skipping insertion in model container [2024-09-13 10:07:35,613 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.09 10:07:35" (2/2) ... [2024-09-13 10:07:35,648 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-13 10:07:35,650 INFO L1541 ArrayList]: Location invariant before [L1103-L2314] (((\old(__return_1719) == __return_1719) && (((long long) main__i + 1) <= main__nlen)) && (0 <= main__i)) [2024-09-13 10:07:35,650 INFO L1541 ArrayList]: Location invariant before [L426-L2542] (((\old(__return_1719) == __return_1719) && (((long long) main__i + 1) <= main__nlen)) && (0 <= main__i)) [2024-09-13 10:07:35,650 INFO L1541 ArrayList]: Location invariant before [L1754-L1805] (((\old(__return_1719) == __return_1719) && (((long long) main__i + 1) <= main__nlen)) && (0 <= main__i)) [2024-09-13 10:07:35,650 INFO L1541 ArrayList]: Location invariant before [L1542-L2164] (((\old(__return_1719) == __return_1719) && (((long long) main__i + 1) <= main__nlen)) && (0 <= main__i)) [2024-09-13 10:07:35,651 INFO L1541 ArrayList]: Location invariant before [L865-L2392] (((\old(__return_1719) == __return_1719) && (((long long) main__i + 1) <= main__nlen)) && (0 <= main__i)) [2024-09-13 10:07:35,651 INFO L1541 ArrayList]: Location invariant before [L1771-L1802] (((\old(__return_1719) == __return_1719) && (((long long) main__i + 1) <= main__nlen)) && (0 <= main__i)) [2024-09-13 10:07:35,651 INFO L1541 ArrayList]: Location invariant before [L225-L2614] (((\old(__return_1719) == __return_1719) && (((long long) main__i + 1) <= main__nlen)) && (0 <= main__i)) [2024-09-13 10:07:35,651 INFO L1541 ArrayList]: Location invariant before [L1304-L2242] (((\old(__return_1719) == __return_1719) && (((long long) main__i + 1) <= main__nlen)) && (0 <= main__i)) [2024-09-13 10:07:35,651 INFO L1541 ArrayList]: Location invariant before [L664-L2464] (((\old(__return_1719) == __return_1719) && (((long long) main__i + 1) <= main__nlen)) && (0 <= main__i)) [2024-09-13 10:07:35,651 INFO L1541 ArrayList]: Location invariant before [L1742-L2092] (((\old(__return_1719) == __return_1719) && (((long long) main__i + 1) <= main__nlen)) && (0 <= main__i)) [2024-09-13 10:07:35,725 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-13 10:07:36,083 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+nlh-reducer.c[32736,32749] [2024-09-13 10:07:36,091 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+nlh-reducer.c[33038,33051] [2024-09-13 10:07:36,144 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-13 10:07:36,154 INFO L200 MainTranslator]: Completed pre-run [2024-09-13 10:07:36,300 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+nlh-reducer.c[32736,32749] [2024-09-13 10:07:36,307 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+nlh-reducer.c[33038,33051] Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local [2024-09-13 10:07:36,404 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-13 10:07:36,416 INFO L204 MainTranslator]: Completed translation [2024-09-13 10:07:36,416 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 10:07:36 WrapperNode [2024-09-13 10:07:36,416 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-13 10:07:36,417 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-13 10:07:36,417 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-13 10:07:36,417 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-13 10:07:36,444 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 10:07:36" (1/1) ... [2024-09-13 10:07:36,444 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 10:07:36" (1/1) ... [2024-09-13 10:07:36,473 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 10:07:36" (1/1) ... [2024-09-13 10:07:36,509 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 10:07:36,510 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 10:07:36" (1/1) ... [2024-09-13 10:07:36,510 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 10:07:36" (1/1) ... [2024-09-13 10:07:36,536 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 10:07:36" (1/1) ... [2024-09-13 10:07:36,551 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 10:07:36" (1/1) ... [2024-09-13 10:07:36,558 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 10:07:36" (1/1) ... [2024-09-13 10:07:36,566 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 10:07:36" (1/1) ... [2024-09-13 10:07:36,580 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-13 10:07:36,585 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-13 10:07:36,585 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-13 10:07:36,585 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-13 10:07:36,586 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 10:07:36" (1/1) ... [2024-09-13 10:07:36,594 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-13 10:07:36,603 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-09-13 10:07:36,615 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 10:07:36,619 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 10:07:36,656 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-09-13 10:07:36,657 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-13 10:07:36,657 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-09-13 10:07:36,657 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-09-13 10:07:36,657 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-09-13 10:07:36,657 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-09-13 10:07:36,657 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-09-13 10:07:36,657 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-09-13 10:07:36,658 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-13 10:07:36,658 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-09-13 10:07:36,658 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-09-13 10:07:36,658 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2024-09-13 10:07:36,659 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-09-13 10:07:36,659 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-09-13 10:07:36,659 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-09-13 10:07:36,659 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-13 10:07:36,659 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#0 [2024-09-13 10:07:36,659 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#0 [2024-09-13 10:07:36,660 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-09-13 10:07:36,789 INFO L242 CfgBuilder]: Building ICFG [2024-09-13 10:07:36,793 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-13 10:07:37,867 INFO L291 CfgBuilder]: Performing block encoding [2024-09-13 10:07:37,898 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-13 10:07:37,898 INFO L318 CfgBuilder]: Removed 0 assume(true) statements. [2024-09-13 10:07:37,898 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.09 10:07:37 BoogieIcfgContainer [2024-09-13 10:07:37,899 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-13 10:07:37,899 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-09-13 10:07:37,899 INFO L270 PluginConnector]: Initializing Referee... [2024-09-13 10:07:37,900 INFO L274 PluginConnector]: Referee initialized [2024-09-13 10:07:37,900 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 10:07:33" (1/4) ... [2024-09-13 10:07:37,901 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@4b16623f and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 13.09 10:07:37, skipping insertion in model container [2024-09-13 10:07:37,901 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 13.09 10:07:35" (2/4) ... [2024-09-13 10:07:37,901 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@4b16623f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 13.09 10:07:37, skipping insertion in model container [2024-09-13 10:07:37,901 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 10:07:36" (3/4) ... [2024-09-13 10:07:37,901 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@4b16623f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 13.09 10:07:37, skipping insertion in model container [2024-09-13 10:07:37,902 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.09 10:07:37" (4/4) ... [2024-09-13 10:07:37,903 INFO L79 RefereeObserver]: Analyzing ICFG id_build.i.p+nlh-reducer.c [2024-09-13 10:07:37,906 INFO L112 InvariantChecker]: Found 0 loops. [2024-09-13 10:07:37,906 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr2ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 91 edges. [2024-09-13 10:07:37,907 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr4ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 155 edges. [2024-09-13 10:07:37,907 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr3ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 120 edges. [2024-09-13 10:07:37,908 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr5ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 184 edges. [2024-09-13 10:07:37,908 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr9ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 292 edges. [2024-09-13 10:07:37,909 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr6ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 219 edges. [2024-09-13 10:07:37,909 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 27 edges. [2024-09-13 10:07:37,909 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr7ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 244 edges. [2024-09-13 10:07:37,909 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr8ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 291 edges. [2024-09-13 10:07:37,910 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr10ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 291 edges. [2024-09-13 10:07:37,910 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr1ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 56 edges. [2024-09-13 10:07:37,910 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr11ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 292 edges. [2024-09-13 10:07:37,911 INFO L130 InvariantChecker]: Will check 12 loop-free subgraphs from procedure entry to error location [2024-09-13 10:07:37,998 INFO L314 BlockEncoder]: Initial Icfg 83 locations, 91 edges [2024-09-13 10:07:37,999 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 10:07:38,000 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 10:07:38,000 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 10:07:38,001 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 10:07:38,002 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:07:38,503 INFO L101 BaseMinimizeStates]: Removed 431 edges and 80 locations by large block encoding [2024-09-13 10:07:38,505 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:07:38,505 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 10:07:38,505 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 10:07:38,505 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 10:07:38,530 INFO L314 BlockEncoder]: Encoded RCFG 3 locations, 4 edges [2024-09-13 10:07:38,531 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 10:07:38,537 INFO L158 Benchmark]: Toolchain (without parser) took 2935.58ms. Allocated memory was 71.3MB in the beginning and 176.2MB in the end (delta: 104.9MB). Free memory was 38.4MB in the beginning and 93.0MB in the end (delta: -54.5MB). Peak memory consumption was 64.8MB. Max. memory is 16.1GB. [2024-09-13 10:07:38,537 INFO L158 Benchmark]: Witness Parser took 2.75ms. Allocated memory is still 46.1MB. Free memory is still 25.0MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-13 10:07:38,537 INFO L158 Benchmark]: CDTParser took 0.45ms. Allocated memory is still 46.1MB. Free memory is still 22.6MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-13 10:07:38,538 INFO L158 Benchmark]: CACSL2BoogieTranslator took 814.02ms. Allocated memory is still 71.3MB. Free memory was 38.3MB in the beginning and 28.4MB in the end (delta: 9.9MB). Peak memory consumption was 10.2MB. Max. memory is 16.1GB. [2024-09-13 10:07:38,538 INFO L158 Benchmark]: Boogie Preprocessor took 166.87ms. Allocated memory was 71.3MB in the beginning and 100.7MB in the end (delta: 29.4MB). Free memory was 28.4MB in the beginning and 69.0MB in the end (delta: -40.6MB). Peak memory consumption was 3.1MB. Max. memory is 16.1GB. [2024-09-13 10:07:38,539 INFO L158 Benchmark]: RCFGBuilder took 1314.02ms. Allocated memory is still 100.7MB. Free memory was 69.0MB in the beginning and 61.3MB in the end (delta: 7.7MB). Peak memory consumption was 40.5MB. Max. memory is 16.1GB. [2024-09-13 10:07:38,540 INFO L158 Benchmark]: Referee took 635.76ms. Allocated memory was 100.7MB in the beginning and 176.2MB in the end (delta: 75.5MB). Free memory was 61.3MB in the beginning and 93.0MB in the end (delta: -31.6MB). Peak memory consumption was 57.2MB. Max. memory is 16.1GB. [2024-09-13 10:07:38,543 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 2.75ms. Allocated memory is still 46.1MB. Free memory is still 25.0MB. There was no memory consumed. Max. memory is 16.1GB. * CDTParser took 0.45ms. Allocated memory is still 46.1MB. Free memory is still 22.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 814.02ms. Allocated memory is still 71.3MB. Free memory was 38.3MB in the beginning and 28.4MB in the end (delta: 9.9MB). Peak memory consumption was 10.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 166.87ms. Allocated memory was 71.3MB in the beginning and 100.7MB in the end (delta: 29.4MB). Free memory was 28.4MB in the beginning and 69.0MB in the end (delta: -40.6MB). Peak memory consumption was 3.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1314.02ms. Allocated memory is still 100.7MB. Free memory was 69.0MB in the beginning and 61.3MB in the end (delta: 7.7MB). Peak memory consumption was 40.5MB. Max. memory is 16.1GB. * Referee took 635.76ms. Allocated memory was 100.7MB in the beginning and 176.2MB in the end (delta: 75.5MB). Free memory was 61.3MB in the beginning and 93.0MB in the end (delta: -31.6MB). Peak memory consumption was 57.2MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-09-13 10:07:38,570 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