This is Ultimate 0.2.4-tmp.dk.referee-eval-27b4987-m [2024-09-21 19:12:27,274 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-21 19:12:27,323 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Default.epf [2024-09-21 19:12:27,328 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-21 19:12:27,328 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-21 19:12:27,351 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-21 19:12:27,351 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-21 19:12:27,351 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-21 19:12:27,352 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-21 19:12:27,353 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-21 19:12:27,353 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-21 19:12:27,354 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-21 19:12:27,354 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-21 19:12:27,355 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-21 19:12:27,355 INFO L153 SettingsManager]: * Use SBE=true [2024-09-21 19:12:27,356 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-21 19:12:27,356 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-21 19:12:27,356 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-21 19:12:27,356 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-09-21 19:12:27,356 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-21 19:12:27,356 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-21 19:12:27,358 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-21 19:12:27,358 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-21 19:12:27,359 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-21 19:12:27,359 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-21 19:12:27,359 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-21 19:12:27,359 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-21 19:12:27,359 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-21 19:12:27,359 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-21 19:12:27,360 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-21 19:12:27,360 INFO L153 SettingsManager]: * Future-live optimization=false [2024-09-21 19:12:27,360 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-21 19:12:27,360 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-21 19:12:27,360 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-21 19:12:27,360 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-21 19:12:27,360 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-21 19:12:27,360 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-21 19:12:27,361 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-09-21 19:12:27,361 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-09-21 19:12:27,361 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-21 19:12:27,361 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-21 19:12:27,362 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-21 19:12:27,362 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-21 19:12:27,362 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None [2024-09-21 19:12:27,543 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-21 19:12:27,562 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-21 19:12:27,564 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-21 19:12:27,565 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-21 19:12:27,565 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-21 19:12:27,566 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/cpachecker-verification-files/SV-COMP24_unreach-call/recursified_cohencu-ll.yml/output/witness-2.1.yml [2024-09-21 19:12:27,611 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-21 19:12:27,612 INFO L274 PluginConnector]: CDTParser initialized [2024-09-21 19:12:27,613 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/recursified_nla-digbench/recursified_cohencu-ll.c [2024-09-21 19:12:28,789 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-21 19:12:28,933 INFO L384 CDTParser]: Found 1 translation units. [2024-09-21 19:12:28,934 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/recursified_nla-digbench/recursified_cohencu-ll.c [2024-09-21 19:12:28,942 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/a17083e8a/e933f8c5ceb04262923af00ac51b3e90/FLAG9e5f1bec0 [2024-09-21 19:12:28,955 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/a17083e8a/e933f8c5ceb04262923af00ac51b3e90 [2024-09-21 19:12:28,956 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-21 19:12:28,957 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-09-21 19:12:28,959 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-21 19:12:28,960 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-21 19:12:28,963 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-21 19:12:28,964 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 07:12:27" (1/2) ... [2024-09-21 19:12:28,965 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@12e2155c and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 21.09 07:12:28, skipping insertion in model container [2024-09-21 19:12:28,965 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 07:12:27" (1/2) ... [2024-09-21 19:12:28,967 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@6847eac3 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 21.09 07:12:28, skipping insertion in model container [2024-09-21 19:12:28,967 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 07:12:28" (2/2) ... [2024-09-21 19:12:28,968 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@12e2155c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 07:12:28, skipping insertion in model container [2024-09-21 19:12:28,968 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 07:12:28" (2/2) ... [2024-09-21 19:12:28,976 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-21 19:12:28,976 INFO L1541 ArrayList]: Function contract at [L17]: requires 1, ensures 1 [2024-09-21 19:12:28,977 INFO L1541 ArrayList]: Function contract at [L51]: requires 1, ensures 1 [2024-09-21 19:12:28,977 INFO L1541 ArrayList]: Function contract at [L35]: requires 1, ensures (!(1) || (1)) [2024-09-21 19:12:28,977 INFO L1541 ArrayList]: Function contract at [L80]: requires 1, ensures 1 [2024-09-21 19:12:28,993 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-21 19:12:29,166 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/recursified_nla-digbench/recursified_cohencu-ll.c[1124,1137] [2024-09-21 19:12:29,192 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-21 19:12:29,202 INFO L200 MainTranslator]: Completed pre-run Start Parsing Global Start Parsing Global Start Parsing Global Start Parsing Global [2024-09-21 19:12:29,231 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/recursified_nla-digbench/recursified_cohencu-ll.c[1124,1137] Start Parsing Global Start Parsing Global Start Parsing Global Start Parsing Global [2024-09-21 19:12:29,250 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-21 19:12:29,262 INFO L204 MainTranslator]: Completed translation [2024-09-21 19:12:29,262 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 07:12:29 WrapperNode [2024-09-21 19:12:29,262 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-21 19:12:29,263 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-21 19:12:29,263 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-21 19:12:29,263 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-21 19:12:29,273 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 07:12:29" (1/1) ... [2024-09-21 19:12:29,273 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 07:12:29" (1/1) ... [2024-09-21 19:12:29,279 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 07:12:29" (1/1) ... [2024-09-21 19:12:29,296 WARN L109 MemorySlicer]: Omit memory slicing because it failed with the following exception: Unsupported: Procedure reach_error is not part of the Ultimate memory model but has specification other that is not a ModifiesSpecification [2024-09-21 19:12:29,296 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 07:12:29" (1/1) ... [2024-09-21 19:12:29,296 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 07:12:29" (1/1) ... [2024-09-21 19:12:29,301 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 07:12:29" (1/1) ... [2024-09-21 19:12:29,302 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 07:12:29" (1/1) ... [2024-09-21 19:12:29,303 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 07:12:29" (1/1) ... [2024-09-21 19:12:29,304 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 07:12:29" (1/1) ... [2024-09-21 19:12:29,306 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-21 19:12:29,307 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-21 19:12:29,307 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-21 19:12:29,307 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-21 19:12:29,308 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 07:12:29" (1/1) ... [2024-09-21 19:12:29,312 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-21 19:12:29,317 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-09-21 19:12:29,329 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 19:12:29,331 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 19:12:29,363 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-09-21 19:12:29,363 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-21 19:12:29,364 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-09-21 19:12:29,365 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-09-21 19:12:29,365 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-09-21 19:12:29,365 INFO L138 BoogieDeclarations]: Found implementation of procedure func_to_recursive_line_29_to_41_0 [2024-09-21 19:12:29,365 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-09-21 19:12:29,366 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-09-21 19:12:29,366 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-09-21 19:12:29,366 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-09-21 19:12:29,366 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-21 19:12:29,366 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ushort [2024-09-21 19:12:29,366 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-09-21 19:12:29,366 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-09-21 19:12:29,366 INFO L130 BoogieDeclarations]: Found specification of procedure func_to_recursive_line_29_to_41_0 [2024-09-21 19:12:29,366 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-09-21 19:12:29,366 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-09-21 19:12:29,367 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-09-21 19:12:29,367 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-09-21 19:12:29,367 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-09-21 19:12:29,367 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-09-21 19:12:29,367 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-09-21 19:12:29,367 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-21 19:12:29,440 INFO L242 CfgBuilder]: Building ICFG [2024-09-21 19:12:29,442 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-21 19:12:29,445 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-21 19:12:29,478 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-21 19:12:29,556 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-21 19:12:29,590 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-21 19:12:29,617 INFO L291 CfgBuilder]: Performing block encoding [2024-09-21 19:12:29,639 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-21 19:12:29,639 INFO L318 CfgBuilder]: Removed 2 assume(true) statements. [2024-09-21 19:12:29,639 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 07:12:29 BoogieIcfgContainer [2024-09-21 19:12:29,640 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-21 19:12:29,640 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-09-21 19:12:29,640 INFO L270 PluginConnector]: Initializing Referee... [2024-09-21 19:12:29,641 INFO L274 PluginConnector]: Referee initialized [2024-09-21 19:12:29,641 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 07:12:27" (1/4) ... [2024-09-21 19:12:29,641 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@1b460f4e and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 21.09 07:12:29, skipping insertion in model container [2024-09-21 19:12:29,641 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 21.09 07:12:28" (2/4) ... [2024-09-21 19:12:29,642 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@1b460f4e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 21.09 07:12:29, skipping insertion in model container [2024-09-21 19:12:29,642 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 07:12:29" (3/4) ... [2024-09-21 19:12:29,642 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@1b460f4e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 21.09 07:12:29, skipping insertion in model container [2024-09-21 19:12:29,642 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 07:12:29" (4/4) ... [2024-09-21 19:12:29,643 INFO L79 RefereeObserver]: Analyzing ICFG recursified_cohencu-ll.c [2024-09-21 19:12:29,647 INFO L113 InvariantChecker]: Found 0 loops. [2024-09-21 19:12:29,647 INFO L373 InvariantChecker]: Will check inductivity from ENTRY func_to_recursive_line_29_to_41_0ENTRY to ERROR_LOC func_to_recursive_line_29_to_41_0Err1REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 5 edges. [2024-09-21 19:12:29,647 INFO L373 InvariantChecker]: Will check inductivity from ENTRY mainENTRY to ERROR_LOC mainErr5REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 12 edges. [2024-09-21 19:12:29,648 INFO L373 InvariantChecker]: Will check inductivity from ENTRY mainENTRY to ERROR_LOC mainErr1REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 4 edges. [2024-09-21 19:12:29,648 INFO L373 InvariantChecker]: Will check inductivity from ENTRY func_to_recursive_line_29_to_41_0ENTRY to ERROR_LOC func_to_recursive_line_29_to_41_0Err2REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 7 edges. [2024-09-21 19:12:29,648 INFO L373 InvariantChecker]: Will check inductivity from ENTRY func_to_recursive_line_29_to_41_0ENTRY to ERROR_LOC func_to_recursive_line_29_to_41_0Err3REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 9 edges. [2024-09-21 19:12:29,648 INFO L373 InvariantChecker]: Will check inductivity from ENTRY mainENTRY to ERROR_LOC mainErr4REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 10 edges. [2024-09-21 19:12:29,648 INFO L373 InvariantChecker]: Will check inductivity from ENTRY reach_errorENTRY to ERROR_LOC reach_errorErr0ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 2 edges. [2024-09-21 19:12:29,648 INFO L373 InvariantChecker]: Will check inductivity from ENTRY func_to_recursive_line_29_to_41_0ENTRY to ERROR_LOC func_to_recursive_line_29_to_41_0Err6ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 17 edges. [2024-09-21 19:12:29,648 INFO L373 InvariantChecker]: Will check inductivity from ENTRY func_to_recursive_line_29_to_41_0ENTRY to ERROR_LOC func_to_recursive_line_29_to_41_0Err4REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 11 edges. [2024-09-21 19:12:29,648 INFO L373 InvariantChecker]: Will check inductivity from ENTRY mainENTRY to ERROR_LOC mainErr2REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 6 edges. [2024-09-21 19:12:29,648 INFO L373 InvariantChecker]: Will check inductivity from ENTRY mainENTRY to ERROR_LOC mainErr0REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 2 edges. [2024-09-21 19:12:29,648 INFO L373 InvariantChecker]: Will check inductivity from ENTRY mainENTRY to ERROR_LOC mainErr7ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 16 edges. [2024-09-21 19:12:29,649 INFO L373 InvariantChecker]: Will check inductivity from ENTRY mainENTRY to ERROR_LOC mainErr6REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 14 edges. [2024-09-21 19:12:29,649 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 19:12:29,649 INFO L373 InvariantChecker]: Will check inductivity from ENTRY func_to_recursive_line_29_to_41_0ENTRY to ERROR_LOC func_to_recursive_line_29_to_41_0Err0REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 3 edges. [2024-09-21 19:12:29,649 INFO L373 InvariantChecker]: Will check inductivity from ENTRY __VERIFIER_assertENTRY to ERROR_LOC __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 5 edges. [2024-09-21 19:12:29,649 INFO L373 InvariantChecker]: Will check inductivity from ENTRY __VERIFIER_assertENTRY to ERROR_LOC __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 3 edges. [2024-09-21 19:12:29,649 INFO L373 InvariantChecker]: Will check inductivity from ENTRY mainENTRY to ERROR_LOC mainErr3REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 8 edges. [2024-09-21 19:12:29,649 INFO L373 InvariantChecker]: Will check inductivity from ENTRY func_to_recursive_line_29_to_41_0ENTRY to ERROR_LOC func_to_recursive_line_29_to_41_0Err5REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 14 edges. [2024-09-21 19:12:29,649 INFO L131 InvariantChecker]: Will check 19 loop-free subgraphs from procedure entry to error location [2024-09-21 19:12:29,687 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 5 edges [2024-09-21 19:12:29,688 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 19:12:29,689 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 19:12:29,689 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 19:12:29,691 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 19:12:29,692 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:12:29,701 INFO L101 BaseMinimizeStates]: Removed 8 edges and 4 locations by large block encoding [2024-09-21 19:12:29,702 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:12:29,702 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 19:12:29,702 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 19:12:29,702 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 19:12:29,702 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 19:12:29,722 INFO L520 InvariantChecker]: The annotation(s) from entry func_to_recursive_line_29_to_41_0ENTRY to error location func_to_recursive_line_29_to_41_0Err1REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-21 19:12:29,754 INFO L314 BlockEncoder]: Initial Icfg 13 locations, 12 edges [2024-09-21 19:12:29,754 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 19:12:29,754 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 19:12:29,755 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 19:12:29,755 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 19:12:29,755 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:12:29,789 INFO L101 BaseMinimizeStates]: Removed 22 edges and 11 locations by large block encoding [2024-09-21 19:12:29,790 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:12:29,790 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 19:12:29,791 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 19:12:29,791 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 19:12:29,791 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 19:12:29,794 INFO L520 InvariantChecker]: The annotation(s) from entry mainENTRY to error location mainErr5REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-21 19:12:29,816 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 4 edges [2024-09-21 19:12:29,817 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 19:12:29,817 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 19:12:29,817 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 19:12:29,817 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 19:12:29,817 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:12:29,822 INFO L101 BaseMinimizeStates]: Removed 6 edges and 3 locations by large block encoding [2024-09-21 19:12:29,823 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:12:29,823 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 19:12:29,823 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 19:12:29,823 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 19:12:29,823 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 19:12:29,825 INFO L520 InvariantChecker]: The annotation(s) from entry mainENTRY to error location mainErr1REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-21 19:12:29,854 INFO L314 BlockEncoder]: Initial Icfg 8 locations, 7 edges [2024-09-21 19:12:29,855 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 19:12:29,855 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 19:12:29,855 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 19:12:29,855 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 19:12:29,856 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:12:29,878 INFO L101 BaseMinimizeStates]: Removed 12 edges and 6 locations by large block encoding [2024-09-21 19:12:29,878 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:12:29,878 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 19:12:29,879 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 19:12:29,879 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 19:12:29,879 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 19:12:29,881 INFO L520 InvariantChecker]: The annotation(s) from entry func_to_recursive_line_29_to_41_0ENTRY to error location func_to_recursive_line_29_to_41_0Err2REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-21 19:12:29,895 INFO L314 BlockEncoder]: Initial Icfg 10 locations, 9 edges [2024-09-21 19:12:29,895 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 19:12:29,895 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 19:12:29,895 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 19:12:29,895 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 19:12:29,896 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:12:29,909 INFO L101 BaseMinimizeStates]: Removed 16 edges and 8 locations by large block encoding [2024-09-21 19:12:29,909 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:12:29,909 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 19:12:29,910 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 19:12:29,910 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 19:12:29,910 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 19:12:29,912 INFO L520 InvariantChecker]: The annotation(s) from entry func_to_recursive_line_29_to_41_0ENTRY to error location func_to_recursive_line_29_to_41_0Err3REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-21 19:12:29,927 INFO L314 BlockEncoder]: Initial Icfg 11 locations, 10 edges [2024-09-21 19:12:29,927 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 19:12:29,927 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 19:12:29,927 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 19:12:29,928 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 19:12:29,928 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:12:29,946 INFO L101 BaseMinimizeStates]: Removed 18 edges and 9 locations by large block encoding [2024-09-21 19:12:29,947 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:12:29,947 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 19:12:29,947 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 19:12:29,947 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 19:12:29,947 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 19:12:29,949 INFO L520 InvariantChecker]: The annotation(s) from entry mainENTRY to error location mainErr4REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-21 19:12:29,961 INFO L314 BlockEncoder]: Initial Icfg 3 locations, 2 edges [2024-09-21 19:12:29,962 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 19:12:29,962 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 19:12:29,963 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 19:12:29,964 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 19:12:29,964 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:12:29,965 INFO L101 BaseMinimizeStates]: Removed 2 edges and 1 locations by large block encoding [2024-09-21 19:12:29,965 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:12:29,965 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 19:12:29,965 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 19:12:29,966 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 19:12:29,966 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 19:12:29,967 INFO L520 InvariantChecker]: The annotation(s) from entry reach_errorENTRY to error location reach_errorErr0ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-21 19:12:29,980 INFO L314 BlockEncoder]: Initial Icfg 16 locations, 17 edges [2024-09-21 19:12:29,980 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 19:12:29,981 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 19:12:29,981 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 19:12:29,981 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 19:12:29,981 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:12:29,998 INFO L101 BaseMinimizeStates]: Removed 38 edges and 14 locations by large block encoding [2024-09-21 19:12:29,999 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:12:29,999 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 19:12:29,999 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 19:12:29,999 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 19:12:30,006 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 19:12:30,007 INFO L520 InvariantChecker]: The annotation(s) from entry func_to_recursive_line_29_to_41_0ENTRY to error location func_to_recursive_line_29_to_41_0Err6ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-21 19:12:30,022 INFO L314 BlockEncoder]: Initial Icfg 12 locations, 11 edges [2024-09-21 19:12:30,022 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 19:12:30,022 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 19:12:30,023 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 19:12:30,023 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 19:12:30,023 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:12:30,040 INFO L101 BaseMinimizeStates]: Removed 20 edges and 10 locations by large block encoding [2024-09-21 19:12:30,041 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:12:30,042 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 19:12:30,042 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 19:12:30,042 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 19:12:30,042 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 19:12:30,043 INFO L520 InvariantChecker]: The annotation(s) from entry func_to_recursive_line_29_to_41_0ENTRY to error location func_to_recursive_line_29_to_41_0Err4REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-21 19:12:30,056 INFO L314 BlockEncoder]: Initial Icfg 7 locations, 6 edges [2024-09-21 19:12:30,056 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 19:12:30,056 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 19:12:30,056 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 19:12:30,057 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 19:12:30,057 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:12:30,064 INFO L101 BaseMinimizeStates]: Removed 10 edges and 5 locations by large block encoding [2024-09-21 19:12:30,064 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:12:30,065 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 19:12:30,065 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 19:12:30,065 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 19:12:30,065 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 19:12:30,067 INFO L520 InvariantChecker]: The annotation(s) from entry mainENTRY to error location mainErr2REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-21 19:12:30,076 INFO L314 BlockEncoder]: Initial Icfg 3 locations, 2 edges [2024-09-21 19:12:30,076 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 19:12:30,076 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 19:12:30,076 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 19:12:30,076 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 19:12:30,076 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:12:30,078 INFO L101 BaseMinimizeStates]: Removed 2 edges and 1 locations by large block encoding [2024-09-21 19:12:30,078 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:12:30,078 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 19:12:30,078 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 19:12:30,079 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 19:12:30,079 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 19:12:30,080 INFO L520 InvariantChecker]: The annotation(s) from entry mainENTRY to error location mainErr0REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-21 19:12:30,091 INFO L314 BlockEncoder]: Initial Icfg 17 locations, 16 edges [2024-09-21 19:12:30,092 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 19:12:30,092 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 19:12:30,093 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 19:12:30,093 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 19:12:30,093 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:12:30,119 INFO L101 BaseMinimizeStates]: Removed 30 edges and 15 locations by large block encoding [2024-09-21 19:12:30,119 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:12:30,119 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 19:12:30,119 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 19:12:30,119 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 19:12:30,119 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 19:12:30,121 INFO L520 InvariantChecker]: The annotation(s) from entry mainENTRY to error location mainErr7ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-21 19:12:30,129 INFO L314 BlockEncoder]: Initial Icfg 15 locations, 14 edges [2024-09-21 19:12:30,129 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 19:12:30,129 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 19:12:30,129 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 19:12:30,129 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 19:12:30,130 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:12:30,146 INFO L101 BaseMinimizeStates]: Removed 26 edges and 13 locations by large block encoding [2024-09-21 19:12:30,146 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:12:30,146 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 19:12:30,146 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 19:12:30,146 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 19:12:30,147 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 19:12:30,148 INFO L520 InvariantChecker]: The annotation(s) from entry mainENTRY to error location mainErr6REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-21 19:12:30,155 INFO L314 BlockEncoder]: Initial Icfg 3 locations, 2 edges [2024-09-21 19:12:30,156 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 19:12:30,156 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 19:12:30,156 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 19:12:30,157 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 19:12:30,157 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:12:30,157 INFO L101 BaseMinimizeStates]: Removed 2 edges and 1 locations by large block encoding [2024-09-21 19:12:30,158 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:12:30,158 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 19:12:30,158 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 19:12:30,158 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 19:12:30,158 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 19:12:30,159 INFO L520 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to error location ULTIMATE.startErr0REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-21 19:12:30,168 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-21 19:12:30,168 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 19:12:30,168 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 19:12:30,169 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 19:12:30,169 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 19:12:30,169 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:12:30,172 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-21 19:12:30,172 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:12:30,172 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 19:12:30,172 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 19:12:30,172 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 19:12:30,172 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 19:12:30,173 INFO L520 InvariantChecker]: The annotation(s) from entry func_to_recursive_line_29_to_41_0ENTRY to error location func_to_recursive_line_29_to_41_0Err0REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-21 19:12:30,186 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 5 edges [2024-09-21 19:12:30,187 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 19:12:30,187 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 19:12:30,187 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 19:12:30,187 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 19:12:30,188 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:12:30,189 INFO L101 BaseMinimizeStates]: Removed 8 edges and 3 locations by large block encoding [2024-09-21 19:12:30,189 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:12:30,189 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 19:12:30,189 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 19:12:30,189 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 19:12:30,190 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 19:12:30,191 INFO L520 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-21 19:12:30,198 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-21 19:12:30,198 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 19:12:30,198 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 19:12:30,198 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 19:12:30,198 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 19:12:30,198 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:12:30,199 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-21 19:12:30,199 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:12:30,199 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 19:12:30,199 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 19:12:30,199 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 19:12:30,199 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 19:12:30,224 INFO L314 BlockEncoder]: Initial Icfg 9 locations, 8 edges [2024-09-21 19:12:30,224 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 19:12:30,224 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 19:12:30,235 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 19:12:30,235 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 19:12:30,235 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:12:30,251 INFO L101 BaseMinimizeStates]: Removed 14 edges and 7 locations by large block encoding [2024-09-21 19:12:30,251 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:12:30,251 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 19:12:30,251 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 19:12:30,251 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 19:12:30,251 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 19:12:30,256 INFO L520 InvariantChecker]: The annotation(s) from entry mainENTRY to error location mainErr3REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-21 19:12:30,264 INFO L314 BlockEncoder]: Initial Icfg 15 locations, 14 edges [2024-09-21 19:12:30,264 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 19:12:30,264 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 19:12:30,264 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 19:12:30,264 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 19:12:30,264 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:12:30,274 INFO L101 BaseMinimizeStates]: Removed 26 edges and 13 locations by large block encoding [2024-09-21 19:12:30,274 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:12:30,274 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 19:12:30,274 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 19:12:30,274 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 19:12:30,274 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 19:12:30,275 INFO L520 InvariantChecker]: The annotation(s) from entry func_to_recursive_line_29_to_41_0ENTRY to error location func_to_recursive_line_29_to_41_0Err5REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-21 19:12:30,281 INFO L58 RefereeStarter]: Annotation is not a valid proof of correctness. [2024-09-21 19:12:30,281 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@1b460f4e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee CFG 21.09 07:12:30, skipping insertion in model container [2024-09-21 19:12:30,281 INFO L131 PluginConnector]: ------------------------ END Referee---------------------------- [2024-09-21 19:12:30,282 INFO L158 Benchmark]: Toolchain (without parser) took 1324.68ms. Allocated memory was 157.3MB in the beginning and 218.1MB in the end (delta: 60.8MB). Free memory was 93.6MB in the beginning and 162.0MB in the end (delta: -68.4MB). Peak memory consumption was 63.7MB. Max. memory is 16.1GB. [2024-09-21 19:12:30,283 INFO L158 Benchmark]: Witness Parser took 0.15ms. Allocated memory is still 100.7MB. Free memory is still 45.4MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-21 19:12:30,283 INFO L158 Benchmark]: CDTParser took 1.54ms. Allocated memory is still 100.7MB. Free memory is still 43.4MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-21 19:12:30,283 INFO L158 Benchmark]: CACSL2BoogieTranslator took 303.37ms. Allocated memory is still 157.3MB. Free memory was 93.1MB in the beginning and 117.7MB in the end (delta: -24.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-09-21 19:12:30,284 INFO L158 Benchmark]: Boogie Preprocessor took 43.17ms. Allocated memory is still 157.3MB. Free memory was 117.7MB in the beginning and 115.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-09-21 19:12:30,284 INFO L158 Benchmark]: RCFGBuilder took 332.80ms. Allocated memory is still 157.3MB. Free memory was 115.5MB in the beginning and 95.3MB in the end (delta: 20.2MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2024-09-21 19:12:30,284 INFO L158 Benchmark]: Referee took 641.09ms. Allocated memory was 157.3MB in the beginning and 218.1MB in the end (delta: 60.8MB). Free memory was 95.3MB in the beginning and 162.0MB in the end (delta: -66.7MB). Peak memory consumption was 67.7MB. Max. memory is 16.1GB. [2024-09-21 19:12:30,286 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. Annotation is not valid for all loop-free paths from entry of procedure __VERIFIER_assert to check that a call to reach_error is unreachable at line 39. One counterexample starts in \old(cond)=0 and ends in \old(cond)=0, cond=0. Annotation is valid for all loop-free paths from entry of procedure main to check that procedure precondition always holds at line 97. Annotation is valid for all loop-free paths from entry of procedure func_to_recursive_line_29_to_41_0 to check that procedure precondition always holds at line 57. Annotation is valid for all loop-free paths from entry of procedure main to check that procedure precondition always holds at line 94. Annotation is valid for all loop-free paths from entry of procedure main to check that procedure precondition always holds at line 95. Annotation is valid for all loop-free paths from entry of procedure reach_error to exit of procedure reach_error. Annotation is valid for all loop-free paths from entry of procedure func_to_recursive_line_29_to_41_0 to check that procedure precondition always holds at line 60. Annotation is valid for all loop-free paths from entry of procedure func_to_recursive_line_29_to_41_0 to check that procedure precondition always holds at line 56. Annotation is valid for all loop-free paths from entry of procedure func_to_recursive_line_29_to_41_0 to check that procedure precondition always holds at line 59. Annotation is valid for all loop-free paths from entry of procedure main to check that procedure precondition always holds at line 98. Annotation is valid for all loop-free paths from entry of procedure ULTIMATE.start to check that procedure precondition always holds at line -1. Annotation is valid for all loop-free paths from entry of procedure func_to_recursive_line_29_to_41_0 to exit of procedure func_to_recursive_line_29_to_41_0. Annotation is valid for all loop-free paths from entry of procedure main to exit of procedure main. Annotation is valid for all loop-free paths from entry of procedure main to check that procedure precondition always holds at line 93. Annotation is valid for all loop-free paths from entry of procedure func_to_recursive_line_29_to_41_0 to check that procedure precondition always holds at line 58. Annotation is valid for all loop-free paths from entry of procedure main to check that procedure precondition always holds at line 92. Annotation is valid for all loop-free paths from entry of procedure __VERIFIER_assert to exit of procedure __VERIFIER_assert. Annotation is valid for all loop-free paths from entry of procedure main to check that procedure precondition always holds at line 96. Annotation is valid for all loop-free paths from entry of procedure func_to_recursive_line_29_to_41_0 to check that procedure precondition always holds at line 73. * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Witness Parser took 0.15ms. Allocated memory is still 100.7MB. Free memory is still 45.4MB. There was no memory consumed. Max. memory is 16.1GB. * CDTParser took 1.54ms. Allocated memory is still 100.7MB. Free memory is still 43.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 303.37ms. Allocated memory is still 157.3MB. Free memory was 93.1MB in the beginning and 117.7MB in the end (delta: -24.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 43.17ms. Allocated memory is still 157.3MB. Free memory was 117.7MB in the beginning and 115.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 332.80ms. Allocated memory is still 157.3MB. Free memory was 115.5MB in the beginning and 95.3MB in the end (delta: 20.2MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * Referee took 641.09ms. Allocated memory was 157.3MB in the beginning and 218.1MB in the end (delta: 60.8MB). Free memory was 95.3MB in the beginning and 162.0MB in the end (delta: -66.7MB). Peak memory consumption was 67.7MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be incorrect! [2024-09-21 19:12:30,306 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...