./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 04d6fb36 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-tmp.dk.referee-eval-04d6fb3-m [2024-09-15 20:05:21,095 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-15 20:05:21,162 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Default.epf [2024-09-15 20:05:21,165 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-15 20:05:21,165 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-15 20:05:21,198 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-15 20:05:21,200 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-15 20:05:21,200 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-15 20:05:21,201 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-15 20:05:21,202 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-15 20:05:21,202 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-15 20:05:21,202 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-15 20:05:21,203 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-15 20:05:21,203 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-15 20:05:21,205 INFO L153 SettingsManager]: * Use SBE=true [2024-09-15 20:05:21,205 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-15 20:05:21,205 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-15 20:05:21,205 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-15 20:05:21,206 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-09-15 20:05:21,206 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-15 20:05:21,206 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-15 20:05:21,209 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-15 20:05:21,209 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-15 20:05:21,209 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-15 20:05:21,209 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-15 20:05:21,209 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-15 20:05:21,210 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-15 20:05:21,210 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-15 20:05:21,210 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-15 20:05:21,210 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-15 20:05:21,210 INFO L153 SettingsManager]: * Future-live optimization=false [2024-09-15 20:05:21,211 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-15 20:05:21,211 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-15 20:05:21,211 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-15 20:05:21,211 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-15 20:05:21,211 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-15 20:05:21,211 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-15 20:05:21,211 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-09-15 20:05:21,212 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-09-15 20:05:21,212 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-15 20:05:21,212 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-15 20:05:21,212 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-15 20:05:21,213 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-15 20:05:21,214 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None [2024-09-15 20:05:21,404 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-15 20:05:21,422 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-15 20:05:21,424 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-15 20:05:21,425 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-15 20:05:21,426 INFO L274 PluginConnector]: CDTParser initialized [2024-09-15 20:05:21,427 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/loop-invgen/id_build.i.v+lhb-reducer.c [2024-09-15 20:05:22,709 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-15 20:05:22,852 INFO L384 CDTParser]: Found 1 translation units. [2024-09-15 20:05:22,853 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-invgen/id_build.i.v+lhb-reducer.c [2024-09-15 20:05:22,859 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/2546f714f/52bd30f11050417cb0a7ac57c6f7765b/FLAG8b7173a21 [2024-09-15 20:05:22,869 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/2546f714f/52bd30f11050417cb0a7ac57c6f7765b [2024-09-15 20:05:22,870 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-15 20:05:22,871 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-15 20:05:22,871 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/automizer-verification-files/SV-COMP24_unreach-call/id_build.i.v+lhb-reducer.yml/witness-2.1.yml [2024-09-15 20:05:22,915 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-15 20:05:22,916 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-09-15 20:05:22,917 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-15 20:05:22,917 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-15 20:05:22,921 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-15 20:05:22,921 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.09 08:05:22" (1/2) ... [2024-09-15 20:05:22,923 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@741cdfab and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 08:05:22, skipping insertion in model container [2024-09-15 20:05:22,924 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.09 08:05:22" (1/2) ... [2024-09-15 20:05:22,925 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@4f94f715 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 08:05:22, skipping insertion in model container [2024-09-15 20:05:22,925 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 15.09 08:05:22" (2/2) ... [2024-09-15 20:05:22,926 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@741cdfab and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 15.09 08:05:22, skipping insertion in model container [2024-09-15 20:05:22,926 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 15.09 08:05:22" (2/2) ... [2024-09-15 20:05:22,933 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-15 20:05:22,933 INFO L1541 ArrayList]: Location invariant before [L55-L86] (((((long long) main__i + 1) <= main__nlen) && (\old(__return_100) == __return_100)) && (0 <= main__i)) [2024-09-15 20:05:22,934 INFO L1541 ArrayList]: Location invariant before [L39-L89] (((((long long) main__i + 1) <= main__nlen) && (\old(__return_100) == __return_100)) && (0 <= main__i)) [2024-09-15 20:05:22,934 INFO L1541 ArrayList]: Location invariant before [L23-L101] ((\old(__return_100) == __return_100) && (0 <= main__i)) [2024-09-15 20:05:22,951 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-15 20:05:23,068 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-invgen/id_build.i.v+lhb-reducer.c[854,867] [2024-09-15 20:05:23,076 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-invgen/id_build.i.v+lhb-reducer.c[1096,1109] [2024-09-15 20:05:23,078 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-invgen/id_build.i.v+lhb-reducer.c[1375,1388] [2024-09-15 20:05:23,080 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-15 20:05:23,088 INFO L200 MainTranslator]: Completed pre-run [2024-09-15 20:05:23,099 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-invgen/id_build.i.v+lhb-reducer.c[854,867] [2024-09-15 20:05:23,100 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-invgen/id_build.i.v+lhb-reducer.c[1096,1109] [2024-09-15 20:05:23,101 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-invgen/id_build.i.v+lhb-reducer.c[1375,1388] Start Parsing Local Start Parsing Local Start Parsing Local [2024-09-15 20:05:23,122 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-15 20:05:23,134 INFO L204 MainTranslator]: Completed translation [2024-09-15 20:05:23,134 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 15.09 08:05:23 WrapperNode [2024-09-15 20:05:23,134 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-15 20:05:23,135 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-15 20:05:23,135 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-15 20:05:23,135 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-15 20:05:23,149 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 15.09 08:05:23" (1/1) ... [2024-09-15 20:05:23,152 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 15.09 08:05:23" (1/1) ... [2024-09-15 20:05:23,157 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 15.09 08:05:23" (1/1) ... [2024-09-15 20:05:23,166 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]. [2024-09-15 20:05:23,167 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 15.09 08:05:23" (1/1) ... [2024-09-15 20:05:23,167 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 15.09 08:05:23" (1/1) ... [2024-09-15 20:05:23,170 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 15.09 08:05:23" (1/1) ... [2024-09-15 20:05:23,171 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 15.09 08:05:23" (1/1) ... [2024-09-15 20:05:23,172 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 15.09 08:05:23" (1/1) ... [2024-09-15 20:05:23,173 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 15.09 08:05:23" (1/1) ... [2024-09-15 20:05:23,174 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-15 20:05:23,175 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-15 20:05:23,175 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-15 20:05:23,175 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-15 20:05:23,176 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 15.09 08:05:23" (1/1) ... [2024-09-15 20:05:23,180 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-15 20:05:23,187 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-09-15 20:05:23,199 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) [2024-09-15 20:05:23,200 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 [2024-09-15 20:05:23,233 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-09-15 20:05:23,233 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-15 20:05:23,233 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-09-15 20:05:23,233 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-09-15 20:05:23,233 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-09-15 20:05:23,234 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-09-15 20:05:23,234 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-09-15 20:05:23,234 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-09-15 20:05:23,234 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-15 20:05:23,234 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-09-15 20:05:23,234 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-09-15 20:05:23,234 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2024-09-15 20:05:23,234 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-09-15 20:05:23,234 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-09-15 20:05:23,234 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-09-15 20:05:23,234 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-15 20:05:23,234 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-09-15 20:05:23,235 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-09-15 20:05:23,235 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-09-15 20:05:23,289 INFO L242 CfgBuilder]: Building ICFG [2024-09-15 20:05:23,291 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-15 20:05:23,431 INFO L291 CfgBuilder]: Performing block encoding [2024-09-15 20:05:23,453 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-15 20:05:23,453 INFO L318 CfgBuilder]: Removed 0 assume(true) statements. [2024-09-15 20:05:23,453 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.09 08:05:23 BoogieIcfgContainer [2024-09-15 20:05:23,454 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-15 20:05:23,454 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-09-15 20:05:23,454 INFO L270 PluginConnector]: Initializing Referee... [2024-09-15 20:05:23,455 INFO L274 PluginConnector]: Referee initialized [2024-09-15 20:05:23,455 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 15.09 08:05:22" (1/4) ... [2024-09-15 20:05:23,455 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@3f5bd2db and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 15.09 08:05:23, skipping insertion in model container [2024-09-15 20:05:23,455 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 15.09 08:05:22" (2/4) ... [2024-09-15 20:05:23,455 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@3f5bd2db and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 15.09 08:05:23, skipping insertion in model container [2024-09-15 20:05:23,455 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 15.09 08:05:23" (3/4) ... [2024-09-15 20:05:23,456 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@3f5bd2db and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 15.09 08:05:23, skipping insertion in model container [2024-09-15 20:05:23,456 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.09 08:05:23" (4/4) ... [2024-09-15 20:05:23,457 INFO L79 RefereeObserver]: Analyzing ICFG id_build.i.v+lhb-reducer.c [2024-09-15 20:05:23,462 INFO L112 InvariantChecker]: Found 0 loops. [2024-09-15 20:05:23,463 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr2ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 15 edges. [2024-09-15 20:05:23,463 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr4ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 15 edges. [2024-09-15 20:05:23,463 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr3ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 16 edges. [2024-09-15 20:05:23,463 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 5 edges. [2024-09-15 20:05:23,464 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr5ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 16 edges. [2024-09-15 20:05:23,464 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr1ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 7 edges. [2024-09-15 20:05:23,464 INFO L130 InvariantChecker]: Will check 6 loop-free subgraphs from procedure entry to error location [2024-09-15 20:05:23,512 INFO L314 BlockEncoder]: Initial Icfg 13 locations, 15 edges [2024-09-15 20:05:23,512 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-15 20:05:23,513 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-15 20:05:23,513 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-15 20:05:23,515 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-15 20:05:23,516 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-15 20:05:23,575 INFO L101 BaseMinimizeStates]: Removed 27 edges and 8 locations by large block encoding [2024-09-15 20:05:23,576 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-15 20:05:23,576 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-15 20:05:23,576 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-15 20:05:23,577 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-15 20:05:23,577 INFO L314 BlockEncoder]: Encoded RCFG 5 locations, 10 edges [2024-09-15 20:05:23,588 INFO L314 BlockEncoder]: Initial Icfg 13 locations, 15 edges [2024-09-15 20:05:23,590 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-15 20:05:23,590 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-15 20:05:23,591 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-15 20:05:23,591 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-15 20:05:23,591 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-15 20:05:23,611 INFO L101 BaseMinimizeStates]: Removed 24 edges and 8 locations by large block encoding [2024-09-15 20:05:23,611 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-15 20:05:23,611 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-15 20:05:23,611 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-15 20:05:23,611 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-15 20:05:23,612 INFO L314 BlockEncoder]: Encoded RCFG 5 locations, 9 edges [2024-09-15 20:05:23,621 INFO L314 BlockEncoder]: Initial Icfg 14 locations, 16 edges [2024-09-15 20:05:23,621 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-15 20:05:23,621 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-15 20:05:23,622 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-15 20:05:23,622 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-15 20:05:23,622 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-15 20:05:23,639 INFO L101 BaseMinimizeStates]: Removed 25 edges and 9 locations by large block encoding [2024-09-15 20:05:23,640 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-15 20:05:23,640 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-15 20:05:23,640 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-15 20:05:23,640 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-15 20:05:23,640 INFO L314 BlockEncoder]: Encoded RCFG 5 locations, 8 edges [2024-09-15 20:05:23,648 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 5 edges [2024-09-15 20:05:23,648 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-15 20:05:23,649 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-15 20:05:23,649 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-15 20:05:23,649 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-15 20:05:23,649 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-15 20:05:23,653 INFO L101 BaseMinimizeStates]: Removed 7 edges and 2 locations by large block encoding [2024-09-15 20:05:23,654 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-15 20:05:23,654 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-15 20:05:23,654 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-15 20:05:23,654 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-15 20:05:23,654 INFO L314 BlockEncoder]: Encoded RCFG 3 locations, 4 edges [2024-09-15 20:05:23,655 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) [2024-09-15 20:05:23,660 INFO L158 Benchmark]: Toolchain (without parser) took 743.61ms. Allocated memory is still 201.3MB. Free memory was 132.2MB in the beginning and 143.3MB in the end (delta: -11.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-09-15 20:05:23,660 INFO L158 Benchmark]: CDTParser took 0.13ms. Allocated memory is still 109.1MB. Free memory is still 75.7MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-15 20:05:23,661 INFO L158 Benchmark]: Witness Parser took 0.11ms. Allocated memory is still 201.3MB. Free memory was 134.3MB in the beginning and 134.1MB in the end (delta: 238.2kB). There was no memory consumed. Max. memory is 16.1GB. [2024-09-15 20:05:23,661 INFO L158 Benchmark]: CACSL2BoogieTranslator took 217.68ms. Allocated memory is still 201.3MB. Free memory was 132.0MB in the beginning and 118.0MB in the end (delta: 14.0MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-09-15 20:05:23,663 INFO L158 Benchmark]: Boogie Preprocessor took 39.35ms. Allocated memory is still 201.3MB. Free memory was 118.0MB in the beginning and 116.0MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-09-15 20:05:23,663 INFO L158 Benchmark]: RCFGBuilder took 278.62ms. Allocated memory is still 201.3MB. Free memory was 115.9MB in the beginning and 168.5MB in the end (delta: -52.6MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-09-15 20:05:23,664 INFO L158 Benchmark]: Referee took 204.77ms. Allocated memory is still 201.3MB. Free memory was 168.5MB in the beginning and 143.3MB in the end (delta: 25.2MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-09-15 20:05:23,665 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 0.13ms. Allocated memory is still 109.1MB. Free memory is still 75.7MB. There was no memory consumed. Max. memory is 16.1GB. * Witness Parser took 0.11ms. Allocated memory is still 201.3MB. Free memory was 134.3MB in the beginning and 134.1MB in the end (delta: 238.2kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 217.68ms. Allocated memory is still 201.3MB. Free memory was 132.0MB in the beginning and 118.0MB in the end (delta: 14.0MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Preprocessor took 39.35ms. Allocated memory is still 201.3MB. Free memory was 118.0MB in the beginning and 116.0MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 278.62ms. Allocated memory is still 201.3MB. Free memory was 115.9MB in the beginning and 168.5MB in the end (delta: -52.6MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Referee took 204.77ms. Allocated memory is still 201.3MB. Free memory was 168.5MB in the beginning and 143.3MB in the end (delta: 25.2MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-09-15 20:05:23,686 INFO L540 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/referee/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/certificate-witnesses-artifact/referee/data/config -Xmx15G -Xms4m -jar /storage/repos/certificate-witnesses-artifact/referee/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/certificate-witnesses-artifact/referee/data -tc /storage/repos/certificate-witnesses-artifact/referee/config/RefereeReachWitnessValidation.xml -i ../sv-benchmarks/c/loop-invgen/id_build.i.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-tmp.dk.referee-eval-04d6fb3-m [2024-09-15 20:05:25,495 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-15 20:05:25,568 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Bitvector.epf [2024-09-15 20:05:25,574 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-15 20:05:25,574 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-15 20:05:25,600 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-15 20:05:25,601 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-15 20:05:25,601 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-15 20:05:25,602 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-15 20:05:25,603 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-15 20:05:25,604 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-15 20:05:25,605 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-15 20:05:25,605 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-15 20:05:25,608 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-15 20:05:25,608 INFO L153 SettingsManager]: * Use SBE=true [2024-09-15 20:05:25,609 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-15 20:05:25,609 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-15 20:05:25,609 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-15 20:05:25,609 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-15 20:05:25,609 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-15 20:05:25,609 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-15 20:05:25,612 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-15 20:05:25,613 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-15 20:05:25,613 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-09-15 20:05:25,613 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-09-15 20:05:25,613 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-15 20:05:25,613 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-09-15 20:05:25,613 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-15 20:05:25,614 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-15 20:05:25,614 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-15 20:05:25,614 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-15 20:05:25,614 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-15 20:05:25,614 INFO L153 SettingsManager]: * Future-live optimization=false [2024-09-15 20:05:25,614 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-15 20:05:25,614 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-15 20:05:25,615 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-15 20:05:25,623 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-15 20:05:25,623 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-15 20:05:25,623 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-15 20:05:25,623 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-09-15 20:05:25,623 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-09-15 20:05:25,627 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-15 20:05:25,627 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-15 20:05:25,627 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-15 20:05:25,628 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-15 20:05:25,628 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2024-09-15 20:05:25,628 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None [2024-09-15 20:05:25,875 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-15 20:05:25,900 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-15 20:05:25,902 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-15 20:05:25,904 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-15 20:05:25,904 INFO L274 PluginConnector]: CDTParser initialized [2024-09-15 20:05:25,905 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/loop-invgen/id_build.i.v+lhb-reducer.c [2024-09-15 20:05:27,348 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-15 20:05:27,516 INFO L384 CDTParser]: Found 1 translation units. [2024-09-15 20:05:27,516 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-invgen/id_build.i.v+lhb-reducer.c [2024-09-15 20:05:27,525 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/4f69df9a2/70410cc35efc4e018fee2afc813a3266/FLAGbf16158c8 [2024-09-15 20:05:27,909 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/4f69df9a2/70410cc35efc4e018fee2afc813a3266 [2024-09-15 20:05:27,911 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-15 20:05:27,913 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-15 20:05:27,913 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/automizer-verification-files/SV-COMP24_unreach-call/id_build.i.v+lhb-reducer.yml/witness-2.1.yml [2024-09-15 20:05:27,953 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-15 20:05:27,954 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-09-15 20:05:27,956 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-15 20:05:27,956 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-15 20:05:27,960 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-15 20:05:27,960 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.09 08:05:27" (1/2) ... [2024-09-15 20:05:27,963 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1115f1a2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 08:05:27, skipping insertion in model container [2024-09-15 20:05:27,963 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.09 08:05:27" (1/2) ... [2024-09-15 20:05:27,964 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@5a92ffb4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 08:05:27, skipping insertion in model container [2024-09-15 20:05:27,964 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 15.09 08:05:27" (2/2) ... [2024-09-15 20:05:27,964 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1115f1a2 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 15.09 08:05:27, skipping insertion in model container [2024-09-15 20:05:27,964 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 15.09 08:05:27" (2/2) ... [2024-09-15 20:05:27,975 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-15 20:05:27,975 INFO L1541 ArrayList]: Location invariant before [L23-L101] ((\old(__return_100) == __return_100) && (0 <= main__i)) [2024-09-15 20:05:27,976 INFO L1541 ArrayList]: Location invariant before [L39-L89] (((((long long) main__i + 1) <= main__nlen) && (\old(__return_100) == __return_100)) && (0 <= main__i)) [2024-09-15 20:05:27,976 INFO L1541 ArrayList]: Location invariant before [L55-L86] (((((long long) main__i + 1) <= main__nlen) && (\old(__return_100) == __return_100)) && (0 <= main__i)) [2024-09-15 20:05:27,990 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-15 20:05:28,125 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-invgen/id_build.i.v+lhb-reducer.c[854,867] [2024-09-15 20:05:28,135 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-invgen/id_build.i.v+lhb-reducer.c[1096,1109] [2024-09-15 20:05:28,137 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-invgen/id_build.i.v+lhb-reducer.c[1375,1388] [2024-09-15 20:05:28,143 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-15 20:05:28,155 INFO L200 MainTranslator]: Completed pre-run [2024-09-15 20:05:28,175 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-invgen/id_build.i.v+lhb-reducer.c[854,867] [2024-09-15 20:05:28,179 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-invgen/id_build.i.v+lhb-reducer.c[1096,1109] [2024-09-15 20:05:28,180 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-invgen/id_build.i.v+lhb-reducer.c[1375,1388] Start Parsing Local Start Parsing Local Start Parsing Local [2024-09-15 20:05:28,215 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-15 20:05:28,232 INFO L204 MainTranslator]: Completed translation [2024-09-15 20:05:28,233 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 15.09 08:05:28 WrapperNode [2024-09-15 20:05:28,233 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-15 20:05:28,234 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-15 20:05:28,234 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-15 20:05:28,234 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-15 20:05:28,245 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 15.09 08:05:28" (1/1) ... [2024-09-15 20:05:28,245 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 15.09 08:05:28" (1/1) ... [2024-09-15 20:05:28,252 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 15.09 08:05:28" (1/1) ... [2024-09-15 20:05:28,263 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]. [2024-09-15 20:05:28,264 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 15.09 08:05:28" (1/1) ... [2024-09-15 20:05:28,264 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 15.09 08:05:28" (1/1) ... [2024-09-15 20:05:28,271 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 15.09 08:05:28" (1/1) ... [2024-09-15 20:05:28,273 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 15.09 08:05:28" (1/1) ... [2024-09-15 20:05:28,274 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 15.09 08:05:28" (1/1) ... [2024-09-15 20:05:28,281 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 15.09 08:05:28" (1/1) ... [2024-09-15 20:05:28,285 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-15 20:05:28,287 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-15 20:05:28,287 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-15 20:05:28,288 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-15 20:05:28,288 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 15.09 08:05:28" (1/1) ... [2024-09-15 20:05:28,293 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-15 20:05:28,300 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-09-15 20:05:28,315 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) [2024-09-15 20:05:28,318 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 [2024-09-15 20:05:28,356 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-09-15 20:05:28,356 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-15 20:05:28,356 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-09-15 20:05:28,356 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-09-15 20:05:28,356 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-09-15 20:05:28,356 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-09-15 20:05:28,357 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-09-15 20:05:28,357 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-09-15 20:05:28,357 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-15 20:05:28,357 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-09-15 20:05:28,358 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-09-15 20:05:28,358 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2024-09-15 20:05:28,358 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-09-15 20:05:28,358 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-09-15 20:05:28,358 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-09-15 20:05:28,358 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-15 20:05:28,359 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#0 [2024-09-15 20:05:28,359 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#0 [2024-09-15 20:05:28,359 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-09-15 20:05:28,424 INFO L242 CfgBuilder]: Building ICFG [2024-09-15 20:05:28,426 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-15 20:05:28,568 INFO L291 CfgBuilder]: Performing block encoding [2024-09-15 20:05:28,601 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-15 20:05:28,603 INFO L318 CfgBuilder]: Removed 0 assume(true) statements. [2024-09-15 20:05:28,603 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.09 08:05:28 BoogieIcfgContainer [2024-09-15 20:05:28,604 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-15 20:05:28,604 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-09-15 20:05:28,605 INFO L270 PluginConnector]: Initializing Referee... [2024-09-15 20:05:28,605 INFO L274 PluginConnector]: Referee initialized [2024-09-15 20:05:28,605 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 15.09 08:05:27" (1/4) ... [2024-09-15 20:05:28,607 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@40aa833e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 15.09 08:05:28, skipping insertion in model container [2024-09-15 20:05:28,607 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 15.09 08:05:27" (2/4) ... [2024-09-15 20:05:28,607 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@40aa833e and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 15.09 08:05:28, skipping insertion in model container [2024-09-15 20:05:28,607 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 15.09 08:05:28" (3/4) ... [2024-09-15 20:05:28,607 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@40aa833e and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 15.09 08:05:28, skipping insertion in model container [2024-09-15 20:05:28,607 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.09 08:05:28" (4/4) ... [2024-09-15 20:05:28,608 INFO L79 RefereeObserver]: Analyzing ICFG id_build.i.v+lhb-reducer.c [2024-09-15 20:05:28,611 INFO L112 InvariantChecker]: Found 0 loops. [2024-09-15 20:05:28,612 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr2ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 15 edges. [2024-09-15 20:05:28,612 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr4ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 15 edges. [2024-09-15 20:05:28,612 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr3ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 16 edges. [2024-09-15 20:05:28,612 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 5 edges. [2024-09-15 20:05:28,613 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr5ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 16 edges. [2024-09-15 20:05:28,613 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr1ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 7 edges. [2024-09-15 20:05:28,613 INFO L130 InvariantChecker]: Will check 6 loop-free subgraphs from procedure entry to error location [2024-09-15 20:05:28,659 INFO L314 BlockEncoder]: Initial Icfg 13 locations, 15 edges [2024-09-15 20:05:28,660 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-15 20:05:28,660 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-15 20:05:28,661 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-15 20:05:28,661 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-15 20:05:28,663 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-15 20:05:28,715 INFO L101 BaseMinimizeStates]: Removed 27 edges and 8 locations by large block encoding [2024-09-15 20:05:28,718 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-15 20:05:28,718 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-15 20:05:28,719 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-15 20:05:28,719 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-15 20:05:28,719 INFO L314 BlockEncoder]: Encoded RCFG 5 locations, 10 edges [2024-09-15 20:05:28,732 INFO L314 BlockEncoder]: Initial Icfg 13 locations, 15 edges [2024-09-15 20:05:28,732 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-15 20:05:28,732 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-15 20:05:28,733 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-15 20:05:28,733 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-15 20:05:28,733 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-15 20:05:28,763 INFO L101 BaseMinimizeStates]: Removed 24 edges and 8 locations by large block encoding [2024-09-15 20:05:28,764 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-15 20:05:28,764 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-15 20:05:28,764 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-15 20:05:28,764 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-15 20:05:28,764 INFO L314 BlockEncoder]: Encoded RCFG 5 locations, 9 edges [2024-09-15 20:05:28,772 INFO L314 BlockEncoder]: Initial Icfg 14 locations, 16 edges [2024-09-15 20:05:28,772 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-15 20:05:28,772 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-15 20:05:28,772 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-15 20:05:28,773 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-15 20:05:28,773 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-15 20:05:28,798 INFO L101 BaseMinimizeStates]: Removed 25 edges and 9 locations by large block encoding [2024-09-15 20:05:28,799 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-15 20:05:28,799 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-15 20:05:28,799 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-15 20:05:28,799 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-15 20:05:28,799 INFO L314 BlockEncoder]: Encoded RCFG 5 locations, 8 edges [2024-09-15 20:05:28,809 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 5 edges [2024-09-15 20:05:28,809 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-15 20:05:28,810 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-15 20:05:28,810 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-15 20:05:28,810 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-15 20:05:28,810 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-15 20:05:28,815 INFO L101 BaseMinimizeStates]: Removed 7 edges and 2 locations by large block encoding [2024-09-15 20:05:28,815 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-15 20:05:28,816 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-15 20:05:28,816 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-15 20:05:28,817 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-15 20:05:28,817 INFO L314 BlockEncoder]: Encoded RCFG 3 locations, 4 edges [2024-09-15 20:05:28,818 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) [2024-09-15 20:05:28,822 INFO L158 Benchmark]: Toolchain (without parser) took 866.89ms. Allocated memory was 65.0MB in the beginning and 104.9MB in the end (delta: 39.8MB). Free memory was 39.7MB in the beginning and 54.4MB in the end (delta: -14.6MB). Peak memory consumption was 26.1MB. Max. memory is 16.1GB. [2024-09-15 20:05:28,822 INFO L158 Benchmark]: CDTParser took 0.12ms. Allocated memory is still 46.1MB. Free memory was 30.2MB in the beginning and 30.1MB in the end (delta: 78.1kB). There was no memory consumed. Max. memory is 16.1GB. [2024-09-15 20:05:28,822 INFO L158 Benchmark]: Witness Parser took 0.17ms. Allocated memory is still 65.0MB. Free memory is still 41.6MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-15 20:05:28,823 INFO L158 Benchmark]: CACSL2BoogieTranslator took 277.80ms. Allocated memory is still 65.0MB. Free memory was 39.5MB in the beginning and 42.7MB in the end (delta: -3.2MB). Peak memory consumption was 13.5MB. Max. memory is 16.1GB. [2024-09-15 20:05:28,823 INFO L158 Benchmark]: Boogie Preprocessor took 51.79ms. Allocated memory is still 65.0MB. Free memory was 42.7MB in the beginning and 40.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-09-15 20:05:28,823 INFO L158 Benchmark]: RCFGBuilder took 317.08ms. Allocated memory is still 65.0MB. Free memory was 40.6MB in the beginning and 26.2MB in the end (delta: 14.4MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-09-15 20:05:28,824 INFO L158 Benchmark]: Referee took 216.15ms. Allocated memory was 65.0MB in the beginning and 104.9MB in the end (delta: 39.8MB). Free memory was 26.2MB in the beginning and 54.4MB in the end (delta: -28.1MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-09-15 20:05:28,827 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 0.12ms. Allocated memory is still 46.1MB. Free memory was 30.2MB in the beginning and 30.1MB in the end (delta: 78.1kB). There was no memory consumed. Max. memory is 16.1GB. * Witness Parser took 0.17ms. Allocated memory is still 65.0MB. Free memory is still 41.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 277.80ms. Allocated memory is still 65.0MB. Free memory was 39.5MB in the beginning and 42.7MB in the end (delta: -3.2MB). Peak memory consumption was 13.5MB. Max. memory is 16.1GB. * Boogie Preprocessor took 51.79ms. Allocated memory is still 65.0MB. Free memory was 42.7MB in the beginning and 40.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 317.08ms. Allocated memory is still 65.0MB. Free memory was 40.6MB in the beginning and 26.2MB in the end (delta: 14.4MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Referee took 216.15ms. Allocated memory was 65.0MB in the beginning and 104.9MB in the end (delta: 39.8MB). Free memory was 26.2MB in the beginning and 54.4MB in the end (delta: -28.1MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-09-15 20:05:28,851 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