This is Ultimate 0.2.4-tmp.dk.referee-eval-27b4987-m [2024-09-21 12:47:45,673 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-21 12:47:45,722 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Default.epf [2024-09-21 12:47:45,725 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-21 12:47:45,727 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-21 12:47:45,749 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-21 12:47:45,750 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-21 12:47:45,750 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-21 12:47:45,751 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-21 12:47:45,752 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-21 12:47:45,753 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-21 12:47:45,753 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-21 12:47:45,753 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-21 12:47:45,753 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-21 12:47:45,754 INFO L153 SettingsManager]: * Use SBE=true [2024-09-21 12:47:45,755 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-21 12:47:45,755 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-21 12:47:45,755 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-21 12:47:45,757 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-09-21 12:47:45,757 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-21 12:47:45,757 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-21 12:47:45,758 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-21 12:47:45,758 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-21 12:47:45,758 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-21 12:47:45,759 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-21 12:47:45,759 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-21 12:47:45,759 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-21 12:47:45,760 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-21 12:47:45,760 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-21 12:47:45,760 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-21 12:47:45,760 INFO L153 SettingsManager]: * Future-live optimization=false [2024-09-21 12:47:45,760 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-21 12:47:45,761 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-21 12:47:45,761 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-21 12:47:45,762 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-21 12:47:45,762 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-21 12:47:45,762 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-21 12:47:45,762 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-09-21 12:47:45,763 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-09-21 12:47:45,763 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-21 12:47:45,763 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-21 12:47:45,763 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-21 12:47:45,763 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-21 12:47:45,763 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None [2024-09-21 12:47:45,977 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-21 12:47:45,996 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-21 12:47:45,998 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-21 12:47:45,999 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-21 12:47:46,000 INFO L274 PluginConnector]: CDTParser initialized [2024-09-21 12:47:46,001 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/loop-lit/jm2006.c.i.v+cfa-reducer.c [2024-09-21 12:47:47,178 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-21 12:47:47,324 INFO L384 CDTParser]: Found 1 translation units. [2024-09-21 12:47:47,325 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-lit/jm2006.c.i.v+cfa-reducer.c [2024-09-21 12:47:47,332 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/cff6ffbe1/c5b81a281fb542819e96d23f85528f8f/FLAG690ad908b [2024-09-21 12:47:47,732 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/cff6ffbe1/c5b81a281fb542819e96d23f85528f8f [2024-09-21 12:47:47,734 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-21 12:47:47,735 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-21 12:47:47,735 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/automizer-verification-files/SV-COMP24_unreach-call/jm2006.c.i.v+cfa-reducer.yml/witness-2.1.yml [2024-09-21 12:47:47,769 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-21 12:47:47,770 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-09-21 12:47:47,771 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-21 12:47:47,772 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-21 12:47:47,775 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-21 12:47:47,776 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 12:47:47" (1/2) ... [2024-09-21 12:47:47,778 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@58e02695 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:47:47, skipping insertion in model container [2024-09-21 12:47:47,778 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 12:47:47" (1/2) ... [2024-09-21 12:47:47,779 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@175f8bf1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:47:47, skipping insertion in model container [2024-09-21 12:47:47,779 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 12:47:47" (2/2) ... [2024-09-21 12:47:47,780 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@58e02695 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 21.09 12:47:47, skipping insertion in model container [2024-09-21 12:47:47,780 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 12:47:47" (2/2) ... [2024-09-21 12:47:47,785 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-21 12:47:47,785 INFO L1541 ArrayList]: Location invariant before [L34-L67] ((\old(__return_72) == __return_72) && (((long long) main__j + main__x) == ((long long) main__i + main__y))) [2024-09-21 12:47:47,800 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-21 12:47:47,917 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-lit/jm2006.c.i.v+cfa-reducer.c[1110,1123] [2024-09-21 12:47:47,921 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-21 12:47:47,928 INFO L200 MainTranslator]: Completed pre-run [2024-09-21 12:47:47,946 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-lit/jm2006.c.i.v+cfa-reducer.c[1110,1123] Start Parsing Local [2024-09-21 12:47:47,972 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-21 12:47:47,985 INFO L204 MainTranslator]: Completed translation [2024-09-21 12:47:47,985 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 21.09 12:47:47 WrapperNode [2024-09-21 12:47:47,986 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-21 12:47:47,986 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-21 12:47:47,987 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-21 12:47:47,987 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-21 12:47:47,996 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 12:47:47" (1/1) ... [2024-09-21 12:47:47,996 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 12:47:47" (1/1) ... [2024-09-21 12:47:48,001 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 12:47:47" (1/1) ... [2024-09-21 12:47:48,014 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]. [2024-09-21 12:47:48,015 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 12:47:47" (1/1) ... [2024-09-21 12:47:48,015 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 12:47:47" (1/1) ... [2024-09-21 12:47:48,019 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 12:47:47" (1/1) ... [2024-09-21 12:47:48,022 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 12:47:47" (1/1) ... [2024-09-21 12:47:48,025 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 12:47:47" (1/1) ... [2024-09-21 12:47:48,026 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 12:47:47" (1/1) ... [2024-09-21 12:47:48,027 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-21 12:47:48,028 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-21 12:47:48,028 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-21 12:47:48,028 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-21 12:47:48,029 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 12:47:47" (1/1) ... [2024-09-21 12:47:48,033 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-21 12:47:48,039 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-09-21 12:47:48,054 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 12:47:48,062 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 12:47:48,097 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-09-21 12:47:48,097 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-21 12:47:48,097 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-09-21 12:47:48,098 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-09-21 12:47:48,098 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-09-21 12:47:48,098 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-09-21 12:47:48,098 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-09-21 12:47:48,098 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-09-21 12:47:48,098 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-21 12:47:48,098 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-09-21 12:47:48,098 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-09-21 12:47:48,098 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2024-09-21 12:47:48,098 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-09-21 12:47:48,099 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-09-21 12:47:48,099 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-09-21 12:47:48,099 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-21 12:47:48,099 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-09-21 12:47:48,099 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-09-21 12:47:48,099 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-09-21 12:47:48,150 INFO L242 CfgBuilder]: Building ICFG [2024-09-21 12:47:48,152 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-21 12:47:48,243 INFO L291 CfgBuilder]: Performing block encoding [2024-09-21 12:47:48,263 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-21 12:47:48,265 INFO L318 CfgBuilder]: Removed 0 assume(true) statements. [2024-09-21 12:47:48,266 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 12:47:48 BoogieIcfgContainer [2024-09-21 12:47:48,266 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-21 12:47:48,266 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-09-21 12:47:48,267 INFO L270 PluginConnector]: Initializing Referee... [2024-09-21 12:47:48,267 INFO L274 PluginConnector]: Referee initialized [2024-09-21 12:47:48,267 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 21.09 12:47:47" (1/4) ... [2024-09-21 12:47:48,268 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@74b52220 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 21.09 12:47:48, skipping insertion in model container [2024-09-21 12:47:48,268 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 12:47:47" (2/4) ... [2024-09-21 12:47:48,269 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@74b52220 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 21.09 12:47:48, skipping insertion in model container [2024-09-21 12:47:48,269 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 12:47:47" (3/4) ... [2024-09-21 12:47:48,269 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@74b52220 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 21.09 12:47:48, skipping insertion in model container [2024-09-21 12:47:48,269 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 12:47:48" (4/4) ... [2024-09-21 12:47:48,270 INFO L79 RefereeObserver]: Analyzing ICFG jm2006.c.i.v+cfa-reducer.c [2024-09-21 12:47:48,272 INFO L113 InvariantChecker]: Found 0 loops. [2024-09-21 12:47:48,273 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 6 edges. [2024-09-21 12:47:48,273 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr1ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 9 edges. [2024-09-21 12:47:48,273 INFO L131 InvariantChecker]: Will check 2 loop-free subgraphs from procedure entry to error location [2024-09-21 12:47:48,301 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 6 edges [2024-09-21 12:47:48,302 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 12:47:48,302 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 12:47:48,303 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 12:47:48,304 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 12:47:48,305 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:47:48,325 INFO L101 BaseMinimizeStates]: Removed 8 edges and 3 locations by large block encoding [2024-09-21 12:47:48,335 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:47:48,335 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 12:47:48,335 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 12:47:48,336 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 12:47:48,336 INFO L314 BlockEncoder]: Encoded RCFG 3 locations, 4 edges [2024-09-21 12:47:48,337 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 12:47:48,349 INFO L158 Benchmark]: Toolchain (without parser) took 578.79ms. Allocated memory is still 161.5MB. Free memory was 123.0MB in the beginning and 133.1MB in the end (delta: -10.1MB). Peak memory consumption was 35.9MB. Max. memory is 16.1GB. [2024-09-21 12:47:48,350 INFO L158 Benchmark]: CDTParser took 0.14ms. Allocated memory is still 117.4MB. Free memory was 91.6MB in the beginning and 91.4MB in the end (delta: 151.0kB). There was no memory consumed. Max. memory is 16.1GB. [2024-09-21 12:47:48,350 INFO L158 Benchmark]: Witness Parser took 0.10ms. Allocated memory is still 161.5MB. Free memory is still 124.4MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-21 12:47:48,350 INFO L158 Benchmark]: CACSL2BoogieTranslator took 214.47ms. Allocated memory is still 161.5MB. Free memory was 122.3MB in the beginning and 109.7MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-09-21 12:47:48,351 INFO L158 Benchmark]: Boogie Preprocessor took 41.09ms. Allocated memory is still 161.5MB. Free memory was 109.7MB in the beginning and 107.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-09-21 12:47:48,352 INFO L158 Benchmark]: RCFGBuilder took 238.13ms. Allocated memory is still 161.5MB. Free memory was 107.6MB in the beginning and 95.0MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-09-21 12:47:48,353 INFO L158 Benchmark]: Referee took 81.60ms. Allocated memory is still 161.5MB. Free memory was 95.0MB in the beginning and 133.1MB in the end (delta: -38.1MB). Peak memory consumption was 8.6MB. Max. memory is 16.1GB. [2024-09-21 12:47:48,355 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.referee: - ExceptionOrErrorResult: AssertionError: Either subgraph not acyclic or there is a bug de.uni_freiburg.informatik.ultimate.plugins.generator.referee: AssertionError: Either subgraph not acyclic or there is a bug: de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AcyclicSubgraphMerger.(AcyclicSubgraphMerger.java:169) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14ms. Allocated memory is still 117.4MB. Free memory was 91.6MB in the beginning and 91.4MB in the end (delta: 151.0kB). There was no memory consumed. Max. memory is 16.1GB. * Witness Parser took 0.10ms. Allocated memory is still 161.5MB. Free memory is still 124.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 214.47ms. Allocated memory is still 161.5MB. Free memory was 122.3MB in the beginning and 109.7MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Preprocessor took 41.09ms. Allocated memory is still 161.5MB. Free memory was 109.7MB in the beginning and 107.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 238.13ms. Allocated memory is still 161.5MB. Free memory was 107.6MB in the beginning and 95.0MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Referee took 81.60ms. Allocated memory is still 161.5MB. Free memory was 95.0MB in the beginning and 133.1MB in the end (delta: -38.1MB). Peak memory consumption was 8.6MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-09-21 12:47:48,400 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 12:47:50,098 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-21 12:47:50,161 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Bitvector.epf [2024-09-21 12:47:50,166 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-21 12:47:50,167 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-21 12:47:50,189 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-21 12:47:50,191 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-21 12:47:50,191 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-21 12:47:50,192 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-21 12:47:50,193 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-21 12:47:50,195 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-21 12:47:50,195 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-21 12:47:50,195 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-21 12:47:50,196 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-21 12:47:50,196 INFO L153 SettingsManager]: * Use SBE=true [2024-09-21 12:47:50,196 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-21 12:47:50,196 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-21 12:47:50,196 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-21 12:47:50,197 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-21 12:47:50,197 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-21 12:47:50,197 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-21 12:47:50,200 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-21 12:47:50,200 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-21 12:47:50,200 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-09-21 12:47:50,200 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-09-21 12:47:50,200 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-21 12:47:50,200 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-09-21 12:47:50,201 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-21 12:47:50,201 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-21 12:47:50,201 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-21 12:47:50,201 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-21 12:47:50,201 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-21 12:47:50,201 INFO L153 SettingsManager]: * Future-live optimization=false [2024-09-21 12:47:50,207 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-21 12:47:50,208 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-21 12:47:50,208 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-21 12:47:50,208 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-21 12:47:50,209 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-21 12:47:50,209 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-21 12:47:50,209 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-09-21 12:47:50,209 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-09-21 12:47:50,211 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-21 12:47:50,211 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-21 12:47:50,212 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-21 12:47:50,212 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-21 12:47:50,212 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2024-09-21 12:47:50,212 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None [2024-09-21 12:47:50,450 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-21 12:47:50,471 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-21 12:47:50,473 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-21 12:47:50,474 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-21 12:47:50,474 INFO L274 PluginConnector]: CDTParser initialized [2024-09-21 12:47:50,475 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/loop-lit/jm2006.c.i.v+cfa-reducer.c [2024-09-21 12:47:51,726 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-21 12:47:51,883 INFO L384 CDTParser]: Found 1 translation units. [2024-09-21 12:47:51,885 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-lit/jm2006.c.i.v+cfa-reducer.c [2024-09-21 12:47:51,892 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/6a2f3af0c/acb5dd56bb114b699c23510ae04a09b6/FLAGe0f455170 [2024-09-21 12:47:51,907 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/6a2f3af0c/acb5dd56bb114b699c23510ae04a09b6 [2024-09-21 12:47:51,909 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-21 12:47:51,910 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-21 12:47:51,911 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/automizer-verification-files/SV-COMP24_unreach-call/jm2006.c.i.v+cfa-reducer.yml/witness-2.1.yml [2024-09-21 12:47:51,949 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-21 12:47:51,950 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-09-21 12:47:51,952 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-21 12:47:51,952 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-21 12:47:51,956 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-21 12:47:51,957 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 12:47:51" (1/2) ... [2024-09-21 12:47:51,958 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@47f44c7f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:47:51, skipping insertion in model container [2024-09-21 12:47:51,958 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 12:47:51" (1/2) ... [2024-09-21 12:47:51,959 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@706bb702 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:47:51, skipping insertion in model container [2024-09-21 12:47:51,959 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 12:47:51" (2/2) ... [2024-09-21 12:47:51,961 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@47f44c7f and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 21.09 12:47:51, skipping insertion in model container [2024-09-21 12:47:51,961 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 12:47:51" (2/2) ... [2024-09-21 12:47:51,966 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-21 12:47:51,966 INFO L1541 ArrayList]: Location invariant before [L34-L67] ((\old(__return_72) == __return_72) && (((long long) main__j + main__x) == ((long long) main__i + main__y))) [2024-09-21 12:47:51,980 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-21 12:47:52,117 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-lit/jm2006.c.i.v+cfa-reducer.c[1110,1123] [2024-09-21 12:47:52,121 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-21 12:47:52,136 INFO L200 MainTranslator]: Completed pre-run [2024-09-21 12:47:52,151 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-lit/jm2006.c.i.v+cfa-reducer.c[1110,1123] Start Parsing Local [2024-09-21 12:47:52,175 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-21 12:47:52,188 INFO L204 MainTranslator]: Completed translation [2024-09-21 12:47:52,189 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 21.09 12:47:52 WrapperNode [2024-09-21 12:47:52,190 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-21 12:47:52,191 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-21 12:47:52,191 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-21 12:47:52,191 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-21 12:47:52,200 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 12:47:52" (1/1) ... [2024-09-21 12:47:52,200 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 12:47:52" (1/1) ... [2024-09-21 12:47:52,206 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 12:47:52" (1/1) ... [2024-09-21 12:47:52,220 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]. [2024-09-21 12:47:52,220 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 12:47:52" (1/1) ... [2024-09-21 12:47:52,220 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 12:47:52" (1/1) ... [2024-09-21 12:47:52,228 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 12:47:52" (1/1) ... [2024-09-21 12:47:52,230 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 12:47:52" (1/1) ... [2024-09-21 12:47:52,231 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 12:47:52" (1/1) ... [2024-09-21 12:47:52,232 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 12:47:52" (1/1) ... [2024-09-21 12:47:52,234 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-21 12:47:52,237 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-21 12:47:52,237 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-21 12:47:52,237 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-21 12:47:52,238 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 12:47:52" (1/1) ... [2024-09-21 12:47:52,243 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-21 12:47:52,250 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-09-21 12:47:52,264 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 12:47:52,269 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 12:47:52,308 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-09-21 12:47:52,309 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-21 12:47:52,309 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-09-21 12:47:52,309 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-09-21 12:47:52,309 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-09-21 12:47:52,310 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-09-21 12:47:52,310 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-09-21 12:47:52,310 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-09-21 12:47:52,310 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-21 12:47:52,310 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-09-21 12:47:52,310 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-09-21 12:47:52,310 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2024-09-21 12:47:52,310 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-09-21 12:47:52,310 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-09-21 12:47:52,310 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-09-21 12:47:52,310 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-21 12:47:52,311 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#0 [2024-09-21 12:47:52,311 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#0 [2024-09-21 12:47:52,311 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-09-21 12:47:52,369 INFO L242 CfgBuilder]: Building ICFG [2024-09-21 12:47:52,371 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-21 12:47:52,498 INFO L291 CfgBuilder]: Performing block encoding [2024-09-21 12:47:52,537 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-21 12:47:52,538 INFO L318 CfgBuilder]: Removed 0 assume(true) statements. [2024-09-21 12:47:52,539 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 12:47:52 BoogieIcfgContainer [2024-09-21 12:47:52,539 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-21 12:47:52,540 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-09-21 12:47:52,540 INFO L270 PluginConnector]: Initializing Referee... [2024-09-21 12:47:52,541 INFO L274 PluginConnector]: Referee initialized [2024-09-21 12:47:52,541 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 21.09 12:47:51" (1/4) ... [2024-09-21 12:47:52,542 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@2b23e61e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 21.09 12:47:52, skipping insertion in model container [2024-09-21 12:47:52,542 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 12:47:51" (2/4) ... [2024-09-21 12:47:52,542 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@2b23e61e and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 21.09 12:47:52, skipping insertion in model container [2024-09-21 12:47:52,543 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 12:47:52" (3/4) ... [2024-09-21 12:47:52,543 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@2b23e61e and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 21.09 12:47:52, skipping insertion in model container [2024-09-21 12:47:52,543 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 12:47:52" (4/4) ... [2024-09-21 12:47:52,544 INFO L79 RefereeObserver]: Analyzing ICFG jm2006.c.i.v+cfa-reducer.c [2024-09-21 12:47:52,547 INFO L113 InvariantChecker]: Found 0 loops. [2024-09-21 12:47:52,547 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 6 edges. [2024-09-21 12:47:52,547 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr1ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 9 edges. [2024-09-21 12:47:52,548 INFO L131 InvariantChecker]: Will check 2 loop-free subgraphs from procedure entry to error location [2024-09-21 12:47:52,576 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 6 edges [2024-09-21 12:47:52,579 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 12:47:52,579 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 12:47:52,579 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 12:47:52,580 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 12:47:52,581 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:47:52,607 INFO L101 BaseMinimizeStates]: Removed 8 edges and 3 locations by large block encoding [2024-09-21 12:47:52,608 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:47:52,608 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 12:47:52,609 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 12:47:52,609 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 12:47:52,609 INFO L314 BlockEncoder]: Encoded RCFG 3 locations, 4 edges [2024-09-21 12:47:52,610 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 12:47:52,613 INFO L158 Benchmark]: Toolchain (without parser) took 661.94ms. Allocated memory is still 71.3MB. Free memory was 39.0MB in the beginning and 43.0MB in the end (delta: -4.0MB). There was no memory consumed. Max. memory is 16.1GB. [2024-09-21 12:47:52,615 INFO L158 Benchmark]: CDTParser took 0.13ms. Allocated memory is still 54.5MB. Free memory is still 29.5MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-21 12:47:52,615 INFO L158 Benchmark]: Witness Parser took 0.60ms. Allocated memory is still 71.3MB. Free memory is still 41.0MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-21 12:47:52,615 INFO L158 Benchmark]: CACSL2BoogieTranslator took 237.96ms. Allocated memory is still 71.3MB. Free memory was 38.9MB in the beginning and 43.4MB in the end (delta: -4.5MB). Peak memory consumption was 6.9MB. Max. memory is 16.1GB. [2024-09-21 12:47:52,617 INFO L158 Benchmark]: Boogie Preprocessor took 45.96ms. Allocated memory is still 71.3MB. Free memory was 43.4MB in the beginning and 41.4MB in the end (delta: 2.0MB). There was no memory consumed. Max. memory is 16.1GB. [2024-09-21 12:47:52,617 INFO L158 Benchmark]: RCFGBuilder took 301.59ms. Allocated memory is still 71.3MB. Free memory was 41.1MB in the beginning and 49.3MB in the end (delta: -8.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-09-21 12:47:52,618 INFO L158 Benchmark]: Referee took 71.26ms. Allocated memory is still 71.3MB. Free memory was 49.3MB in the beginning and 43.0MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2024-09-21 12:47:52,621 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 54.5MB. Free memory is still 29.5MB. There was no memory consumed. Max. memory is 16.1GB. * Witness Parser took 0.60ms. Allocated memory is still 71.3MB. Free memory is still 41.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 237.96ms. Allocated memory is still 71.3MB. Free memory was 38.9MB in the beginning and 43.4MB in the end (delta: -4.5MB). Peak memory consumption was 6.9MB. Max. memory is 16.1GB. * Boogie Preprocessor took 45.96ms. Allocated memory is still 71.3MB. Free memory was 43.4MB in the beginning and 41.4MB in the end (delta: 2.0MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 301.59ms. Allocated memory is still 71.3MB. Free memory was 41.1MB in the beginning and 49.3MB in the end (delta: -8.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Referee took 71.26ms. Allocated memory is still 71.3MB. Free memory was 49.3MB in the beginning and 43.0MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-09-21 12:47:52,643 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...