This is Ultimate 0.2.4-tmp.dk.referee-eval-6908dde-m [2024-09-25 00:27:20,020 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-25 00:27:20,095 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Default.epf [2024-09-25 00:27:20,102 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-25 00:27:20,103 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-25 00:27:20,134 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-25 00:27:20,136 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-25 00:27:20,136 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-25 00:27:20,137 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-25 00:27:20,139 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-25 00:27:20,139 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-25 00:27:20,140 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-25 00:27:20,140 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-25 00:27:20,141 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-25 00:27:20,141 INFO L153 SettingsManager]: * Use SBE=true [2024-09-25 00:27:20,144 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-25 00:27:20,145 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-25 00:27:20,145 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-25 00:27:20,145 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-09-25 00:27:20,145 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-25 00:27:20,146 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-25 00:27:20,146 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-25 00:27:20,146 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-25 00:27:20,146 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-25 00:27:20,147 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-25 00:27:20,147 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-25 00:27:20,147 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-25 00:27:20,147 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-25 00:27:20,148 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-25 00:27:20,148 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-25 00:27:20,148 INFO L153 SettingsManager]: * Future-live optimization=false [2024-09-25 00:27:20,148 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-25 00:27:20,148 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-25 00:27:20,148 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-25 00:27:20,149 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-25 00:27:20,149 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-25 00:27:20,151 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-25 00:27:20,151 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-09-25 00:27:20,151 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-09-25 00:27:20,151 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-25 00:27:20,151 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-25 00:27:20,152 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-25 00:27:20,152 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-25 00:27:20,152 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None [2024-09-25 00:27:20,409 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-25 00:27:20,440 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-25 00:27:20,444 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-25 00:27:20,445 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-25 00:27:20,446 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-25 00:27:20,447 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/automizer-verification-files/SV-COMP24_unreach-call/gsv2008.c.i.v+lhb-reducer.yml/witness-2.1.yml [2024-09-25 00:27:20,510 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-25 00:27:20,510 INFO L274 PluginConnector]: CDTParser initialized [2024-09-25 00:27:20,511 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/loop-lit/gsv2008.c.i.v+lhb-reducer.c [2024-09-25 00:27:22,104 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-25 00:27:22,300 INFO L384 CDTParser]: Found 1 translation units. [2024-09-25 00:27:22,300 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-lit/gsv2008.c.i.v+lhb-reducer.c [2024-09-25 00:27:22,312 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/22682d649/4190ffc5157342178949c97b61658588/FLAGb6907b2d3 [2024-09-25 00:27:22,688 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/22682d649/4190ffc5157342178949c97b61658588 [2024-09-25 00:27:22,689 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-25 00:27:22,690 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-09-25 00:27:22,691 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-25 00:27:22,691 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-25 00:27:22,698 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-25 00:27:22,699 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 25.09 12:27:20" (1/2) ... [2024-09-25 00:27:22,700 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@560ab6eb and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 25.09 12:27:22, skipping insertion in model container [2024-09-25 00:27:22,700 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 25.09 12:27:20" (1/2) ... [2024-09-25 00:27:22,704 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@68341db2 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 25.09 12:27:22, skipping insertion in model container [2024-09-25 00:27:22,705 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 12:27:22" (2/2) ... [2024-09-25 00:27:22,705 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@560ab6eb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:27:22, skipping insertion in model container [2024-09-25 00:27:22,705 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 12:27:22" (2/2) ... [2024-09-25 00:27:22,715 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-25 00:27:22,719 INFO L1541 ArrayList]: Location invariant before [L33-L67] ((main__x < 0) || (0 < main__y)) [2024-09-25 00:27:22,740 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-25 00:27:22,926 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/gsv2008.c.i.v+lhb-reducer.c[1238,1251] [2024-09-25 00:27:22,935 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-25 00:27:22,946 INFO L200 MainTranslator]: Completed pre-run [2024-09-25 00:27:22,962 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/gsv2008.c.i.v+lhb-reducer.c[1238,1251] Start Parsing Local [2024-09-25 00:27:22,988 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-25 00:27:23,003 INFO L204 MainTranslator]: Completed translation [2024-09-25 00:27:23,003 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:27:23 WrapperNode [2024-09-25 00:27:23,004 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-25 00:27:23,005 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-25 00:27:23,005 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-25 00:27:23,005 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-25 00:27:23,020 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:27:23" (1/1) ... [2024-09-25 00:27:23,021 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:27:23" (1/1) ... [2024-09-25 00:27:23,027 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:27:23" (1/1) ... [2024-09-25 00:27:23,042 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]. [2024-09-25 00:27:23,042 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:27:23" (1/1) ... [2024-09-25 00:27:23,042 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:27:23" (1/1) ... [2024-09-25 00:27:23,046 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:27:23" (1/1) ... [2024-09-25 00:27:23,051 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:27:23" (1/1) ... [2024-09-25 00:27:23,056 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:27:23" (1/1) ... [2024-09-25 00:27:23,057 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:27:23" (1/1) ... [2024-09-25 00:27:23,059 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-25 00:27:23,063 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-25 00:27:23,063 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-25 00:27:23,063 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-25 00:27:23,064 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:27:23" (1/1) ... [2024-09-25 00:27:23,071 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-25 00:27:23,082 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-09-25 00:27:23,102 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) [2024-09-25 00:27:23,105 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 [2024-09-25 00:27:23,192 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-09-25 00:27:23,192 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-25 00:27:23,193 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-09-25 00:27:23,193 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-09-25 00:27:23,194 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-09-25 00:27:23,194 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-09-25 00:27:23,195 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-09-25 00:27:23,195 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-09-25 00:27:23,195 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-25 00:27:23,195 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-09-25 00:27:23,195 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-09-25 00:27:23,196 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2024-09-25 00:27:23,196 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-09-25 00:27:23,196 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-09-25 00:27:23,196 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-09-25 00:27:23,196 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-25 00:27:23,196 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-09-25 00:27:23,196 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-09-25 00:27:23,197 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-09-25 00:27:23,267 INFO L241 CfgBuilder]: Building ICFG [2024-09-25 00:27:23,269 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-25 00:27:23,399 INFO L290 CfgBuilder]: Performing block encoding [2024-09-25 00:27:23,434 INFO L312 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-25 00:27:23,434 INFO L317 CfgBuilder]: Removed 0 assume(true) statements. [2024-09-25 00:27:23,435 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 12:27:23 BoogieIcfgContainer [2024-09-25 00:27:23,435 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-25 00:27:23,437 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-09-25 00:27:23,437 INFO L270 PluginConnector]: Initializing Referee... [2024-09-25 00:27:23,438 INFO L274 PluginConnector]: Referee initialized [2024-09-25 00:27:23,438 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 25.09 12:27:20" (1/4) ... [2024-09-25 00:27:23,439 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@4076e0ed and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 25.09 12:27:23, skipping insertion in model container [2024-09-25 00:27:23,439 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 25.09 12:27:22" (2/4) ... [2024-09-25 00:27:23,439 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@4076e0ed and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 25.09 12:27:23, skipping insertion in model container [2024-09-25 00:27:23,439 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:27:23" (3/4) ... [2024-09-25 00:27:23,439 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@4076e0ed and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 25.09 12:27:23, skipping insertion in model container [2024-09-25 00:27:23,440 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 12:27:23" (4/4) ... [2024-09-25 00:27:23,441 INFO L79 RefereeObserver]: Analyzing ICFG gsv2008.c.i.v+lhb-reducer.c [2024-09-25 00:27:23,446 INFO L113 InvariantChecker]: Found 0 loops. [2024-09-25 00:27:23,447 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 5 edges. [2024-09-25 00:27:23,447 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr1ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 11 edges. [2024-09-25 00:27:23,448 INFO L131 InvariantChecker]: Will check 2 loop-free subgraphs from procedure entry to error location [2024-09-25 00:27:23,488 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 5 edges [2024-09-25 00:27:23,489 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 00:27:23,489 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 00:27:23,489 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 00:27:23,490 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 00:27:23,492 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:27:23,513 INFO L101 BaseMinimizeStates]: Removed 8 edges and 4 locations by large block encoding [2024-09-25 00:27:23,514 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:27:23,515 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 00:27:23,515 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 00:27:23,515 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 00:27:23,516 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 00:27:23,536 INFO L520 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-25 00:27:23,549 INFO L314 BlockEncoder]: Initial Icfg 11 locations, 11 edges [2024-09-25 00:27:23,550 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 00:27:23,550 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 00:27:23,550 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 00:27:23,550 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 00:27:23,550 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:27:23,578 INFO L101 BaseMinimizeStates]: Removed 17 edges and 8 locations by large block encoding [2024-09-25 00:27:23,578 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:27:23,578 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 00:27:23,578 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 00:27:23,578 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 00:27:23,579 INFO L314 BlockEncoder]: Encoded RCFG 3 locations, 3 edges [2024-09-25 00:27:23,584 INFO L58 RefereeStarter]: Annotation is not a valid proof of correctness. [2024-09-25 00:27:23,584 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@4076e0ed and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee CFG 25.09 12:27:23, skipping insertion in model container [2024-09-25 00:27:23,585 INFO L131 PluginConnector]: ------------------------ END Referee---------------------------- [2024-09-25 00:27:23,587 INFO L158 Benchmark]: Toolchain (without parser) took 895.67ms. Allocated memory is still 159.4MB. Free memory was 88.5MB in the beginning and 112.7MB in the end (delta: -24.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-09-25 00:27:23,587 INFO L158 Benchmark]: Witness Parser took 0.27ms. Allocated memory is still 113.2MB. Free memory is still 75.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-25 00:27:23,588 INFO L158 Benchmark]: CDTParser took 0.19ms. Allocated memory is still 159.4MB. Free memory was 135.2MB in the beginning and 135.0MB in the end (delta: 189.9kB). There was no memory consumed. Max. memory is 16.1GB. [2024-09-25 00:27:23,588 INFO L158 Benchmark]: CACSL2BoogieTranslator took 312.72ms. Allocated memory is still 159.4MB. Free memory was 88.3MB in the beginning and 75.1MB in the end (delta: 13.2MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2024-09-25 00:27:23,589 INFO L158 Benchmark]: Boogie Preprocessor took 57.11ms. Allocated memory is still 159.4MB. Free memory was 75.1MB in the beginning and 73.0MB in the end (delta: 2.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-09-25 00:27:23,590 INFO L158 Benchmark]: RCFGBuilder took 373.57ms. Allocated memory is still 159.4MB. Free memory was 72.9MB in the beginning and 122.2MB in the end (delta: -49.3MB). Peak memory consumption was 8.8MB. Max. memory is 16.1GB. [2024-09-25 00:27:23,590 INFO L158 Benchmark]: Referee took 147.97ms. Allocated memory is still 159.4MB. Free memory was 122.2MB in the beginning and 112.7MB in the end (delta: 9.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-09-25 00:27:23,593 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.referee: - AnnotationCheckResult: Annotation is not a valid proof of correctness. Annotation is not a valid proof of correctness. Not cycle-free: Subgraph between entry of procedure main and check that a call to reach_error is unreachable at line 57. Annotation is valid for all loop-free paths from entry of procedure main to check that invariant of correctness witness holds at line 33. * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Witness Parser took 0.27ms. Allocated memory is still 113.2MB. Free memory is still 75.2MB. There was no memory consumed. Max. memory is 16.1GB. * CDTParser took 0.19ms. Allocated memory is still 159.4MB. Free memory was 135.2MB in the beginning and 135.0MB in the end (delta: 189.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 312.72ms. Allocated memory is still 159.4MB. Free memory was 88.3MB in the beginning and 75.1MB in the end (delta: 13.2MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Preprocessor took 57.11ms. Allocated memory is still 159.4MB. Free memory was 75.1MB in the beginning and 73.0MB in the end (delta: 2.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 373.57ms. Allocated memory is still 159.4MB. Free memory was 72.9MB in the beginning and 122.2MB in the end (delta: -49.3MB). Peak memory consumption was 8.8MB. Max. memory is 16.1GB. * Referee took 147.97ms. Allocated memory is still 159.4MB. Free memory was 122.2MB in the beginning and 112.7MB in the end (delta: 9.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be incorrect! [2024-09-25 00:27:23,619 INFO L552 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/referee/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request...