This is Ultimate 0.2.4-tmp.dk.referee-eval-27b4987-m [2024-09-21 19:06:39,691 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-21 19:06:39,761 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Default.epf [2024-09-21 19:06:39,767 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-21 19:06:39,769 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-21 19:06:39,819 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-21 19:06:39,820 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-21 19:06:39,820 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-21 19:06:39,821 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-21 19:06:39,823 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-21 19:06:39,823 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-21 19:06:39,823 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-21 19:06:39,824 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-21 19:06:39,824 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-21 19:06:39,825 INFO L153 SettingsManager]: * Use SBE=true [2024-09-21 19:06:39,828 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-21 19:06:39,828 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-21 19:06:39,828 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-21 19:06:39,829 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-09-21 19:06:39,829 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-21 19:06:39,829 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-21 19:06:39,830 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-21 19:06:39,830 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-21 19:06:39,830 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-21 19:06:39,830 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-21 19:06:39,830 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-21 19:06:39,831 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-21 19:06:39,831 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-21 19:06:39,831 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-21 19:06:39,831 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-21 19:06:39,832 INFO L153 SettingsManager]: * Future-live optimization=false [2024-09-21 19:06:39,832 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-21 19:06:39,832 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-21 19:06:39,832 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-21 19:06:39,832 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-21 19:06:39,833 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-21 19:06:39,833 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-21 19:06:39,835 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-09-21 19:06:39,836 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-09-21 19:06:39,836 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-21 19:06:39,836 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-21 19:06:39,841 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-21 19:06:39,842 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-21 19:06:39,842 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None [2024-09-21 19:06:40,077 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-21 19:06:40,101 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-21 19:06:40,105 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-21 19:06:40,106 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-21 19:06:40,107 INFO L274 PluginConnector]: CDTParser initialized [2024-09-21 19:06:40,108 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/loop-invgen/id_build.i.v+lhb-reducer.c [2024-09-21 19:06:41,488 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-21 19:06:41,719 INFO L384 CDTParser]: Found 1 translation units. [2024-09-21 19:06:41,720 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-invgen/id_build.i.v+lhb-reducer.c [2024-09-21 19:06:41,726 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/9e6ffa83b/a0e53801754948f880af9e36c8b47caf/FLAG75c427a8e [2024-09-21 19:06:41,738 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/9e6ffa83b/a0e53801754948f880af9e36c8b47caf [2024-09-21 19:06:41,740 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-21 19:06:41,741 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-21 19:06:41,741 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/cpachecker-verification-files/SV-COMP24_unreach-call/id_build.i.v+lhb-reducer.yml/output/witness-2.1.yml [2024-09-21 19:06:41,784 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-21 19:06:41,786 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-09-21 19:06:41,787 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-21 19:06:41,787 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-21 19:06:41,792 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-21 19:06:41,793 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 07:06:41" (1/2) ... [2024-09-21 19:06:41,793 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@106b4230 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 07:06:41, skipping insertion in model container [2024-09-21 19:06:41,794 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 07:06:41" (1/2) ... [2024-09-21 19:06:41,795 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@3f7a9556 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 07:06:41, skipping insertion in model container [2024-09-21 19:06:41,795 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 21.09 07:06:41" (2/2) ... [2024-09-21 19:06:41,797 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@106b4230 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 21.09 07:06:41, skipping insertion in model container [2024-09-21 19:06:41,798 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 21.09 07:06:41" (2/2) ... [2024-09-21 19:06:41,803 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-21 19:06:41,806 INFO L1541 ArrayList]: Function contract at [L13]: requires 1, ensures (!(1) || (1)) [2024-09-21 19:06:41,823 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-21 19:06:41,956 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] [2024-09-21 19:06:41,963 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] [2024-09-21 19:06:41,968 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] [2024-09-21 19:06:41,978 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-21 19:06:41,989 INFO L200 MainTranslator]: Completed pre-run Start Parsing Global Start Parsing Global [2024-09-21 19:06:42,024 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] [2024-09-21 19:06:42,028 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] [2024-09-21 19:06:42,030 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] [2024-09-21 19:06:42,035 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-21 19:06:42,051 INFO L204 MainTranslator]: Completed translation [2024-09-21 19:06:42,051 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 21.09 07:06:42 WrapperNode [2024-09-21 19:06:42,051 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-21 19:06:42,053 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-21 19:06:42,053 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-21 19:06:42,053 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-21 19:06:42,065 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 21.09 07:06:42" (1/1) ... [2024-09-21 19:06:42,066 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 21.09 07:06:42" (1/1) ... [2024-09-21 19:06:42,070 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 21.09 07:06:42" (1/1) ... [2024-09-21 19:06:42,078 WARN L109 MemorySlicer]: Omit memory slicing because it failed with the following exception: Unsupported: Procedure main is not part of the Ultimate memory model but has specification other that is not a ModifiesSpecification [2024-09-21 19:06:42,078 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 21.09 07:06:42" (1/1) ... [2024-09-21 19:06:42,078 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 21.09 07:06:42" (1/1) ... [2024-09-21 19:06:42,081 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 21.09 07:06:42" (1/1) ... [2024-09-21 19:06:42,083 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 21.09 07:06:42" (1/1) ... [2024-09-21 19:06:42,084 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 21.09 07:06:42" (1/1) ... [2024-09-21 19:06:42,085 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 21.09 07:06:42" (1/1) ... [2024-09-21 19:06:42,087 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-21 19:06:42,092 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-21 19:06:42,092 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-21 19:06:42,092 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-21 19:06:42,093 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 21.09 07:06:42" (1/1) ... [2024-09-21 19:06:42,099 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-21 19:06:42,107 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-09-21 19:06:42,122 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) [2024-09-21 19:06:42,123 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 [2024-09-21 19:06:42,161 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-09-21 19:06:42,161 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-21 19:06:42,161 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-09-21 19:06:42,162 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-09-21 19:06:42,162 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-09-21 19:06:42,162 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-09-21 19:06:42,162 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-09-21 19:06:42,162 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-09-21 19:06:42,162 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-21 19:06:42,162 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-09-21 19:06:42,162 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-09-21 19:06:42,162 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2024-09-21 19:06:42,162 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-09-21 19:06:42,163 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-09-21 19:06:42,163 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-09-21 19:06:42,163 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-21 19:06:42,163 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-09-21 19:06:42,163 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-09-21 19:06:42,163 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-09-21 19:06:42,221 INFO L242 CfgBuilder]: Building ICFG [2024-09-21 19:06:42,224 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-21 19:06:42,264 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-21 19:06:42,328 INFO L291 CfgBuilder]: Performing block encoding [2024-09-21 19:06:42,362 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-21 19:06:42,363 INFO L318 CfgBuilder]: Removed 1 assume(true) statements. [2024-09-21 19:06:42,364 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 07:06:42 BoogieIcfgContainer [2024-09-21 19:06:42,364 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-21 19:06:42,365 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-09-21 19:06:42,365 INFO L270 PluginConnector]: Initializing Referee... [2024-09-21 19:06:42,366 INFO L274 PluginConnector]: Referee initialized [2024-09-21 19:06:42,366 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 21.09 07:06:41" (1/4) ... [2024-09-21 19:06:42,367 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@5aceeb9f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 21.09 07:06:42, skipping insertion in model container [2024-09-21 19:06:42,367 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 21.09 07:06:41" (2/4) ... [2024-09-21 19:06:42,367 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@5aceeb9f and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 21.09 07:06:42, skipping insertion in model container [2024-09-21 19:06:42,368 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 21.09 07:06:42" (3/4) ... [2024-09-21 19:06:42,368 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@5aceeb9f and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 21.09 07:06:42, skipping insertion in model container [2024-09-21 19:06:42,368 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 07:06:42" (4/4) ... [2024-09-21 19:06:42,369 INFO L79 RefereeObserver]: Analyzing ICFG id_build.i.v+lhb-reducer.c [2024-09-21 19:06:42,372 INFO L113 InvariantChecker]: Found 0 loops. [2024-09-21 19:06:42,372 INFO L373 InvariantChecker]: Will check inductivity from ENTRY mainENTRY to ERROR_LOC mainErr0ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 6 edges. [2024-09-21 19:06:42,373 INFO L373 InvariantChecker]: Will check inductivity from ENTRY mainENTRY to ERROR_LOC mainErr2ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 13 edges. [2024-09-21 19:06:42,373 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC ULTIMATE.startErr0REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 2 edges. [2024-09-21 19:06:42,373 INFO L373 InvariantChecker]: Will check inductivity from ENTRY mainENTRY to ERROR_LOC mainErr1ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 13 edges. [2024-09-21 19:06:42,373 INFO L373 InvariantChecker]: Will check inductivity from ENTRY mainENTRY to ERROR_LOC mainErr3ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 20 edges. [2024-09-21 19:06:42,373 INFO L131 InvariantChecker]: Will check 5 loop-free subgraphs from procedure entry to error location [2024-09-21 19:06:42,407 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 6 edges [2024-09-21 19:06:42,408 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 19:06:42,408 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 19:06:42,409 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 19:06:42,410 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 19:06:42,412 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:06:42,426 INFO L101 BaseMinimizeStates]: Removed 7 edges and 3 locations by large block encoding [2024-09-21 19:06:42,432 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:06:42,432 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 19:06:42,432 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 19:06:42,433 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 19:06:42,433 INFO L314 BlockEncoder]: Encoded RCFG 3 locations, 3 edges [2024-09-21 19:06:42,445 INFO L314 BlockEncoder]: Initial Icfg 11 locations, 13 edges [2024-09-21 19:06:42,448 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 19:06:42,448 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 19:06:42,448 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 19:06:42,448 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 19:06:42,448 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:06:42,475 INFO L101 BaseMinimizeStates]: Removed 18 edges and 7 locations by large block encoding [2024-09-21 19:06:42,475 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:06:42,476 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 19:06:42,476 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 19:06:42,476 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 19:06:42,485 INFO L314 BlockEncoder]: Encoded RCFG 4 locations, 5 edges [2024-09-21 19:06:42,499 INFO L314 BlockEncoder]: Initial Icfg 3 locations, 2 edges [2024-09-21 19:06:42,499 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 19:06:42,500 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 19:06:42,500 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 19:06:42,500 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 19:06:42,500 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:06:42,500 INFO L101 BaseMinimizeStates]: Removed 2 edges and 1 locations by large block encoding [2024-09-21 19:06:42,501 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:06:42,501 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 19:06:42,501 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 19:06:42,501 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 19:06:42,501 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 19:06:42,525 INFO L520 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to error location ULTIMATE.startErr0REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-21 19:06:42,533 INFO L314 BlockEncoder]: Initial Icfg 11 locations, 13 edges [2024-09-21 19:06:42,533 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 19:06:42,533 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 19:06:42,533 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 19:06:42,534 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 19:06:42,534 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:06:42,550 INFO L101 BaseMinimizeStates]: Removed 19 edges and 7 locations by large block encoding [2024-09-21 19:06:42,551 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:06:42,551 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 19:06:42,551 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 19:06:42,551 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 19:06:42,554 INFO L314 BlockEncoder]: Encoded RCFG 4 locations, 6 edges [2024-09-21 19:06:42,564 INFO L314 BlockEncoder]: Initial Icfg 14 locations, 20 edges [2024-09-21 19:06:42,564 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 19:06:42,564 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 19:06:42,564 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 19:06:42,564 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 19:06:42,565 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:06:42,584 INFO L101 BaseMinimizeStates]: Removed 34 edges and 10 locations by large block encoding [2024-09-21 19:06:42,585 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:06:42,585 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 19:06:42,585 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 19:06:42,585 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 19:06:42,593 INFO L314 BlockEncoder]: Encoded RCFG 4 locations, 7 edges [2024-09-21 19:06:42,594 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:145) 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) [2024-09-21 19:06:42,599 INFO L158 Benchmark]: Toolchain (without parser) took 812.22ms. Allocated memory is still 142.6MB. Free memory was 107.9MB in the beginning and 57.6MB in the end (delta: 50.3MB). Peak memory consumption was 50.3MB. Max. memory is 16.1GB. [2024-09-21 19:06:42,600 INFO L158 Benchmark]: CDTParser took 0.20ms. Allocated memory is still 142.6MB. Free memory was 109.9MB in the beginning and 109.7MB in the end (delta: 226.7kB). There was no memory consumed. Max. memory is 16.1GB. [2024-09-21 19:06:42,601 INFO L158 Benchmark]: Witness Parser took 0.12ms. Allocated memory is still 142.6MB. Free memory is still 109.9MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-21 19:06:42,601 INFO L158 Benchmark]: CACSL2BoogieTranslator took 265.35ms. Allocated memory is still 142.6MB. Free memory was 107.9MB in the beginning and 93.8MB in the end (delta: 14.1MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-09-21 19:06:42,602 INFO L158 Benchmark]: Boogie Preprocessor took 34.78ms. Allocated memory is still 142.6MB. Free memory was 93.8MB in the beginning and 92.2MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-09-21 19:06:42,603 INFO L158 Benchmark]: RCFGBuilder took 272.33ms. Allocated memory is still 142.6MB. Free memory was 91.7MB in the beginning and 80.1MB in the end (delta: 11.6MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2024-09-21 19:06:42,604 INFO L158 Benchmark]: Referee took 231.85ms. Allocated memory is still 142.6MB. Free memory was 80.1MB in the beginning and 57.6MB in the end (delta: 22.5MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. [2024-09-21 19:06:42,607 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 0.20ms. Allocated memory is still 142.6MB. Free memory was 109.9MB in the beginning and 109.7MB in the end (delta: 226.7kB). There was no memory consumed. Max. memory is 16.1GB. * Witness Parser took 0.12ms. Allocated memory is still 142.6MB. Free memory is still 109.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 265.35ms. Allocated memory is still 142.6MB. Free memory was 107.9MB in the beginning and 93.8MB in the end (delta: 14.1MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Preprocessor took 34.78ms. Allocated memory is still 142.6MB. Free memory was 93.8MB in the beginning and 92.2MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 272.33ms. Allocated memory is still 142.6MB. Free memory was 91.7MB in the beginning and 80.1MB in the end (delta: 11.6MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Referee took 231.85ms. Allocated memory is still 142.6MB. Free memory was 80.1MB in the beginning and 57.6MB in the end (delta: 22.5MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-09-21 19:06:42,643 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... ### Bit-precise run ### This is Ultimate 0.2.4-tmp.dk.referee-eval-27b4987-m [2024-09-21 19:06:44,863 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-21 19:06:44,950 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Bitvector.epf [2024-09-21 19:06:44,956 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-21 19:06:44,956 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-21 19:06:44,990 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-21 19:06:44,991 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-21 19:06:44,991 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-21 19:06:44,992 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-21 19:06:44,993 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-21 19:06:44,994 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-21 19:06:44,994 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-21 19:06:44,995 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-21 19:06:44,995 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-21 19:06:44,999 INFO L153 SettingsManager]: * Use SBE=true [2024-09-21 19:06:44,999 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-21 19:06:45,000 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-21 19:06:45,000 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-21 19:06:45,000 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-21 19:06:45,001 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-21 19:06:45,001 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-21 19:06:45,001 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-21 19:06:45,002 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-21 19:06:45,002 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-09-21 19:06:45,002 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-09-21 19:06:45,002 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-21 19:06:45,003 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-09-21 19:06:45,003 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-21 19:06:45,003 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-21 19:06:45,003 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-21 19:06:45,004 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-21 19:06:45,004 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-21 19:06:45,004 INFO L153 SettingsManager]: * Future-live optimization=false [2024-09-21 19:06:45,005 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-21 19:06:45,005 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-21 19:06:45,009 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-21 19:06:45,009 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-21 19:06:45,010 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-21 19:06:45,010 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-21 19:06:45,010 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-09-21 19:06:45,010 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-09-21 19:06:45,011 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-21 19:06:45,011 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-21 19:06:45,011 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-21 19:06:45,011 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-21 19:06:45,012 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2024-09-21 19:06:45,012 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None [2024-09-21 19:06:45,359 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-21 19:06:45,384 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-21 19:06:45,387 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-21 19:06:45,388 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-21 19:06:45,389 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-21 19:06:45,390 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/cpachecker-verification-files/SV-COMP24_unreach-call/id_build.i.v+lhb-reducer.yml/output/witness-2.1.yml [2024-09-21 19:06:45,438 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-21 19:06:45,438 INFO L274 PluginConnector]: CDTParser initialized [2024-09-21 19:06:45,439 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/loop-invgen/id_build.i.v+lhb-reducer.c [2024-09-21 19:06:46,985 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-21 19:06:47,191 INFO L384 CDTParser]: Found 1 translation units. [2024-09-21 19:06:47,192 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-invgen/id_build.i.v+lhb-reducer.c [2024-09-21 19:06:47,200 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/87c767a5d/290630f2afe44abbbc8e233ef0b26140/FLAG5c9484be8 [2024-09-21 19:06:47,215 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/87c767a5d/290630f2afe44abbbc8e233ef0b26140 [2024-09-21 19:06:47,216 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-21 19:06:47,217 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-09-21 19:06:47,219 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-21 19:06:47,219 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-21 19:06:47,224 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-21 19:06:47,225 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 21.09 07:06:45" (1/2) ... [2024-09-21 19:06:47,227 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4e673c1a and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 21.09 07:06:47, skipping insertion in model container [2024-09-21 19:06:47,227 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 21.09 07:06:45" (1/2) ... [2024-09-21 19:06:47,238 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@44308123 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 21.09 07:06:47, skipping insertion in model container [2024-09-21 19:06:47,239 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 07:06:47" (2/2) ... [2024-09-21 19:06:47,239 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4e673c1a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 07:06:47, skipping insertion in model container [2024-09-21 19:06:47,239 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 07:06:47" (2/2) ... [2024-09-21 19:06:47,245 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-21 19:06:47,246 INFO L1541 ArrayList]: Function contract at [L13]: requires 1, ensures (!(1) || (1)) [2024-09-21 19:06:47,265 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-21 19:06:47,447 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] [2024-09-21 19:06:47,459 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] [2024-09-21 19:06:47,463 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] [2024-09-21 19:06:47,467 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-21 19:06:47,484 INFO L200 MainTranslator]: Completed pre-run Start Parsing Global Start Parsing Global [2024-09-21 19:06:47,524 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] [2024-09-21 19:06:47,530 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] [2024-09-21 19:06:47,536 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] [2024-09-21 19:06:47,540 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-21 19:06:47,564 INFO L204 MainTranslator]: Completed translation [2024-09-21 19:06:47,565 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 07:06:47 WrapperNode [2024-09-21 19:06:47,565 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-21 19:06:47,566 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-21 19:06:47,566 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-21 19:06:47,566 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-21 19:06:47,580 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 07:06:47" (1/1) ... [2024-09-21 19:06:47,580 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 07:06:47" (1/1) ... [2024-09-21 19:06:47,587 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 07:06:47" (1/1) ... [2024-09-21 19:06:47,599 WARN L109 MemorySlicer]: Omit memory slicing because it failed with the following exception: Unsupported: Procedure main is not part of the Ultimate memory model but has specification other that is not a ModifiesSpecification [2024-09-21 19:06:47,603 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 07:06:47" (1/1) ... [2024-09-21 19:06:47,604 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 07:06:47" (1/1) ... [2024-09-21 19:06:47,609 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 07:06:47" (1/1) ... [2024-09-21 19:06:47,613 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 07:06:47" (1/1) ... [2024-09-21 19:06:47,615 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 07:06:47" (1/1) ... [2024-09-21 19:06:47,620 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 07:06:47" (1/1) ... [2024-09-21 19:06:47,622 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-21 19:06:47,623 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-21 19:06:47,623 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-21 19:06:47,623 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-21 19:06:47,626 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 07:06:47" (1/1) ... [2024-09-21 19:06:47,632 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-21 19:06:47,641 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-09-21 19:06:47,657 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) [2024-09-21 19:06:47,664 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 [2024-09-21 19:06:47,714 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-09-21 19:06:47,714 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-21 19:06:47,714 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-09-21 19:06:47,715 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-09-21 19:06:47,715 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-09-21 19:06:47,715 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-09-21 19:06:47,715 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-09-21 19:06:47,715 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-09-21 19:06:47,716 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-21 19:06:47,716 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-09-21 19:06:47,716 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-09-21 19:06:47,716 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2024-09-21 19:06:47,716 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-09-21 19:06:47,716 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-09-21 19:06:47,717 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-09-21 19:06:47,717 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-21 19:06:47,717 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2024-09-21 19:06:47,717 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2024-09-21 19:06:47,717 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-09-21 19:06:47,787 INFO L242 CfgBuilder]: Building ICFG [2024-09-21 19:06:47,789 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-21 19:06:47,851 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-21 19:06:47,975 INFO L291 CfgBuilder]: Performing block encoding [2024-09-21 19:06:48,009 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-21 19:06:48,010 INFO L318 CfgBuilder]: Removed 1 assume(true) statements. [2024-09-21 19:06:48,010 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 07:06:48 BoogieIcfgContainer [2024-09-21 19:06:48,011 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-21 19:06:48,012 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-09-21 19:06:48,012 INFO L270 PluginConnector]: Initializing Referee... [2024-09-21 19:06:48,013 INFO L274 PluginConnector]: Referee initialized [2024-09-21 19:06:48,013 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 21.09 07:06:45" (1/4) ... [2024-09-21 19:06:48,014 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@309a25e8 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 21.09 07:06:48, skipping insertion in model container [2024-09-21 19:06:48,014 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 21.09 07:06:47" (2/4) ... [2024-09-21 19:06:48,014 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@309a25e8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 21.09 07:06:48, skipping insertion in model container [2024-09-21 19:06:48,014 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 07:06:47" (3/4) ... [2024-09-21 19:06:48,016 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@309a25e8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 21.09 07:06:48, skipping insertion in model container [2024-09-21 19:06:48,016 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 07:06:48" (4/4) ... [2024-09-21 19:06:48,018 INFO L79 RefereeObserver]: Analyzing ICFG id_build.i.v+lhb-reducer.c [2024-09-21 19:06:48,022 INFO L113 InvariantChecker]: Found 0 loops. [2024-09-21 19:06:48,025 INFO L373 InvariantChecker]: Will check inductivity from ENTRY mainENTRY to ERROR_LOC mainErr0ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 6 edges. [2024-09-21 19:06:48,025 INFO L373 InvariantChecker]: Will check inductivity from ENTRY mainENTRY to ERROR_LOC mainErr2ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 13 edges. [2024-09-21 19:06:48,025 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC ULTIMATE.startErr0REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 2 edges. [2024-09-21 19:06:48,025 INFO L373 InvariantChecker]: Will check inductivity from ENTRY mainENTRY to ERROR_LOC mainErr1ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 13 edges. [2024-09-21 19:06:48,025 INFO L373 InvariantChecker]: Will check inductivity from ENTRY mainENTRY to ERROR_LOC mainErr3ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 20 edges. [2024-09-21 19:06:48,026 INFO L131 InvariantChecker]: Will check 5 loop-free subgraphs from procedure entry to error location [2024-09-21 19:06:48,078 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 6 edges [2024-09-21 19:06:48,079 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 19:06:48,080 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 19:06:48,080 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 19:06:48,081 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 19:06:48,083 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:06:48,106 INFO L101 BaseMinimizeStates]: Removed 7 edges and 3 locations by large block encoding [2024-09-21 19:06:48,108 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:06:48,108 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 19:06:48,108 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 19:06:48,108 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 19:06:48,109 INFO L314 BlockEncoder]: Encoded RCFG 3 locations, 3 edges [2024-09-21 19:06:48,135 INFO L314 BlockEncoder]: Initial Icfg 11 locations, 13 edges [2024-09-21 19:06:48,137 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 19:06:48,138 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 19:06:48,138 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 19:06:48,138 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 19:06:48,138 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:06:48,174 INFO L101 BaseMinimizeStates]: Removed 18 edges and 7 locations by large block encoding [2024-09-21 19:06:48,174 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:06:48,174 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 19:06:48,174 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 19:06:48,175 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 19:06:48,187 INFO L314 BlockEncoder]: Encoded RCFG 4 locations, 5 edges [2024-09-21 19:06:48,200 INFO L314 BlockEncoder]: Initial Icfg 3 locations, 2 edges [2024-09-21 19:06:48,201 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 19:06:48,201 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 19:06:48,201 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 19:06:48,202 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 19:06:48,202 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:06:48,203 INFO L101 BaseMinimizeStates]: Removed 2 edges and 1 locations by large block encoding [2024-09-21 19:06:48,203 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:06:48,204 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 19:06:48,204 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 19:06:48,204 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 19:06:48,204 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 19:06:48,225 INFO L520 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to error location ULTIMATE.startErr0REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-21 19:06:48,243 INFO L314 BlockEncoder]: Initial Icfg 11 locations, 13 edges [2024-09-21 19:06:48,243 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 19:06:48,243 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 19:06:48,243 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 19:06:48,243 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 19:06:48,243 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:06:48,276 INFO L101 BaseMinimizeStates]: Removed 19 edges and 7 locations by large block encoding [2024-09-21 19:06:48,276 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:06:48,296 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 19:06:48,296 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 19:06:48,297 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 19:06:48,303 INFO L314 BlockEncoder]: Encoded RCFG 4 locations, 6 edges [2024-09-21 19:06:48,316 INFO L314 BlockEncoder]: Initial Icfg 14 locations, 20 edges [2024-09-21 19:06:48,317 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 19:06:48,317 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 19:06:48,317 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 19:06:48,318 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 19:06:48,318 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:06:48,346 INFO L101 BaseMinimizeStates]: Removed 34 edges and 10 locations by large block encoding [2024-09-21 19:06:48,346 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:06:48,346 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 19:06:48,347 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 19:06:48,347 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 19:06:48,352 INFO L314 BlockEncoder]: Encoded RCFG 4 locations, 7 edges [2024-09-21 19:06:48,353 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:145) 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) [2024-09-21 19:06:48,359 INFO L158 Benchmark]: Toolchain (without parser) took 1140.79ms. Allocated memory was 58.7MB in the beginning and 77.6MB in the end (delta: 18.9MB). Free memory was 24.1MB in the beginning and 46.9MB in the end (delta: -22.8MB). Peak memory consumption was 18.2MB. Max. memory is 16.1GB. [2024-09-21 19:06:48,359 INFO L158 Benchmark]: Witness Parser took 0.16ms. Allocated memory is still 58.7MB. Free memory was 41.2MB in the beginning and 41.2MB in the end (delta: 92.1kB). There was no memory consumed. Max. memory is 16.1GB. [2024-09-21 19:06:48,360 INFO L158 Benchmark]: CDTParser took 0.15ms. Allocated memory is still 58.7MB. Free memory is still 39.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-21 19:06:48,361 INFO L158 Benchmark]: CACSL2BoogieTranslator took 346.65ms. Allocated memory was 58.7MB in the beginning and 77.6MB in the end (delta: 18.9MB). Free memory was 24.0MB in the beginning and 44.4MB in the end (delta: -20.5MB). Peak memory consumption was 7.1MB. Max. memory is 16.1GB. [2024-09-21 19:06:48,362 INFO L158 Benchmark]: Boogie Preprocessor took 56.48ms. Allocated memory is still 77.6MB. Free memory was 44.4MB in the beginning and 42.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-09-21 19:06:48,362 INFO L158 Benchmark]: RCFGBuilder took 388.15ms. Allocated memory is still 77.6MB. Free memory was 42.4MB in the beginning and 50.3MB in the end (delta: -7.9MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2024-09-21 19:06:48,362 INFO L158 Benchmark]: Referee took 345.12ms. Allocated memory is still 77.6MB. Free memory was 50.3MB in the beginning and 46.9MB in the end (delta: 3.4MB). Peak memory consumption was 23.7MB. Max. memory is 16.1GB. [2024-09-21 19:06:48,365 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 0.16ms. Allocated memory is still 58.7MB. Free memory was 41.2MB in the beginning and 41.2MB in the end (delta: 92.1kB). There was no memory consumed. Max. memory is 16.1GB. * CDTParser took 0.15ms. Allocated memory is still 58.7MB. Free memory is still 39.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 346.65ms. Allocated memory was 58.7MB in the beginning and 77.6MB in the end (delta: 18.9MB). Free memory was 24.0MB in the beginning and 44.4MB in the end (delta: -20.5MB). Peak memory consumption was 7.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 56.48ms. Allocated memory is still 77.6MB. Free memory was 44.4MB in the beginning and 42.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 388.15ms. Allocated memory is still 77.6MB. Free memory was 42.4MB in the beginning and 50.3MB in the end (delta: -7.9MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Referee took 345.12ms. Allocated memory is still 77.6MB. Free memory was 50.3MB in the beginning and 46.9MB in the end (delta: 3.4MB). Peak memory consumption was 23.7MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-09-21 19:06:48,396 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...