This is Ultimate 0.2.4-tmp.dk.referee-eval-27b4987-m [2024-09-21 19:12:27,884 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-21 19:12:27,940 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Default.epf [2024-09-21 19:12:27,945 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-21 19:12:27,947 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-21 19:12:27,970 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-21 19:12:27,971 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-21 19:12:27,971 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-21 19:12:27,971 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-21 19:12:27,974 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-21 19:12:27,975 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-21 19:12:27,975 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-21 19:12:27,975 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-21 19:12:27,976 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-21 19:12:27,977 INFO L153 SettingsManager]: * Use SBE=true [2024-09-21 19:12:27,977 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-21 19:12:27,977 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-21 19:12:27,977 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-21 19:12:27,978 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-09-21 19:12:27,978 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-21 19:12:27,978 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-21 19:12:27,979 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-21 19:12:27,979 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-21 19:12:27,980 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-21 19:12:27,980 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-21 19:12:27,980 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-21 19:12:27,980 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-21 19:12:27,980 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-21 19:12:27,981 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-21 19:12:27,981 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-21 19:12:27,981 INFO L153 SettingsManager]: * Future-live optimization=false [2024-09-21 19:12:27,982 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-21 19:12:27,982 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-21 19:12:27,982 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-21 19:12:27,983 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-21 19:12:27,983 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-21 19:12:27,983 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-21 19:12:27,983 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-09-21 19:12:27,984 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-09-21 19:12:27,984 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-21 19:12:27,984 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-21 19:12:27,984 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-21 19:12:27,984 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-21 19:12:27,985 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None [2024-09-21 19:12:28,167 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-21 19:12:28,186 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-21 19:12:28,188 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-21 19:12:28,189 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-21 19:12:28,191 INFO L274 PluginConnector]: CDTParser initialized [2024-09-21 19:12:28,192 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/recursified_nla-digbench/recursified_cohendiv-ll.c [2024-09-21 19:12:29,510 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-21 19:12:29,672 INFO L384 CDTParser]: Found 1 translation units. [2024-09-21 19:12:29,672 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/recursified_nla-digbench/recursified_cohendiv-ll.c [2024-09-21 19:12:29,678 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/377c70fdf/8df159fba1534b9d9b078eb3b01ef97f/FLAG915c12182 [2024-09-21 19:12:30,070 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/377c70fdf/8df159fba1534b9d9b078eb3b01ef97f [2024-09-21 19:12:30,072 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-21 19:12:30,073 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-21 19:12:30,074 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/cpachecker-verification-files/SV-COMP24_unreach-call/recursified_cohendiv-ll.yml/output/witness-2.1.yml [2024-09-21 19:12:30,123 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-21 19:12:30,124 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-09-21 19:12:30,125 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-21 19:12:30,126 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-21 19:12:30,130 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-21 19:12:30,130 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 07:12:30" (1/2) ... [2024-09-21 19:12:30,131 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6a5825a0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 07:12:30, skipping insertion in model container [2024-09-21 19:12:30,131 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 07:12:30" (1/2) ... [2024-09-21 19:12:30,133 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@60ae2454 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 07:12:30, skipping insertion in model container [2024-09-21 19:12:30,133 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 07:12:30" (2/2) ... [2024-09-21 19:12:30,133 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6a5825a0 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 21.09 07:12:30, skipping insertion in model container [2024-09-21 19:12:30,134 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 07:12:30" (2/2) ... [2024-09-21 19:12:30,140 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-21 19:12:30,143 INFO L1541 ArrayList]: Function contract at [L77]: requires 1, ensures (!(1) || (1)) [2024-09-21 19:12:30,144 INFO L1541 ArrayList]: Function contract at [L35]: requires 1, ensures (!(1) || (1)) [2024-09-21 19:12:30,144 INFO L1541 ArrayList]: Function contract at [L24]: requires 1, ensures (!(1) || (1)) [2024-09-21 19:12:30,144 INFO L1541 ArrayList]: Function contract at [L104]: requires 1, ensures 1 [2024-09-21 19:12:30,144 INFO L1541 ArrayList]: Function contract at [L51]: requires 1, ensures (!(1) || (1)) [2024-09-21 19:12:30,162 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-21 19:12:30,346 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_cohendiv-ll.c[1136,1149] [2024-09-21 19:12:30,368 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-21 19:12:30,374 INFO L200 MainTranslator]: Completed pre-run Start Parsing Global Start Parsing Global Start Parsing Global Start Parsing Global [2024-09-21 19:12:30,398 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_cohendiv-ll.c[1136,1149] Start Parsing Global Start Parsing Global Start Parsing Global Start Parsing Global Start Parsing Global Start Parsing Global [2024-09-21 19:12:30,412 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-21 19:12:30,423 INFO L204 MainTranslator]: Completed translation [2024-09-21 19:12:30,423 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 21.09 07:12:30 WrapperNode [2024-09-21 19:12:30,424 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-21 19:12:30,424 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-21 19:12:30,424 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-21 19:12:30,424 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-21 19:12:30,435 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 21.09 07:12:30" (1/1) ... [2024-09-21 19:12:30,436 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 21.09 07:12:30" (1/1) ... [2024-09-21 19:12:30,443 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 21.09 07:12:30" (1/1) ... [2024-09-21 19:12:30,455 WARN L109 MemorySlicer]: Omit memory slicing because it failed with the following exception: Unsupported: Procedure assume_abort_if_not is not part of the Ultimate memory model but has specification other that is not a ModifiesSpecification [2024-09-21 19:12:30,455 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 21.09 07:12:30" (1/1) ... [2024-09-21 19:12:30,456 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 21.09 07:12:30" (1/1) ... [2024-09-21 19:12:30,462 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 21.09 07:12:30" (1/1) ... [2024-09-21 19:12:30,464 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 21.09 07:12:30" (1/1) ... [2024-09-21 19:12:30,466 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 21.09 07:12:30" (1/1) ... [2024-09-21 19:12:30,466 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 21.09 07:12:30" (1/1) ... [2024-09-21 19:12:30,468 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-21 19:12:30,469 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-21 19:12:30,469 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-21 19:12:30,469 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-21 19:12:30,470 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 21.09 07:12:30" (1/1) ... [2024-09-21 19:12:30,474 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-21 19:12:30,481 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-09-21 19:12:30,493 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 19:12:30,497 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 19:12:30,527 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-09-21 19:12:30,527 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-21 19:12:30,527 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-09-21 19:12:30,527 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-09-21 19:12:30,527 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-09-21 19:12:30,527 INFO L138 BoogieDeclarations]: Found implementation of procedure func_to_recursive_line_41_to_52_0 [2024-09-21 19:12:30,527 INFO L138 BoogieDeclarations]: Found implementation of procedure func_to_recursive_line_32_to_55_0 [2024-09-21 19:12:30,527 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-09-21 19:12:30,528 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-09-21 19:12:30,528 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-09-21 19:12:30,528 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-09-21 19:12:30,528 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-21 19:12:30,528 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2024-09-21 19:12:30,528 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-09-21 19:12:30,528 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-09-21 19:12:30,528 INFO L130 BoogieDeclarations]: Found specification of procedure func_to_recursive_line_41_to_52_0 [2024-09-21 19:12:30,529 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-09-21 19:12:30,529 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-09-21 19:12:30,529 INFO L130 BoogieDeclarations]: Found specification of procedure func_to_recursive_line_32_to_55_0 [2024-09-21 19:12:30,529 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-09-21 19:12:30,529 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-09-21 19:12:30,529 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-09-21 19:12:30,529 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-09-21 19:12:30,529 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-09-21 19:12:30,529 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-21 19:12:30,598 INFO L242 CfgBuilder]: Building ICFG [2024-09-21 19:12:30,600 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-21 19:12:30,616 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-21 19:12:30,632 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-21 19:12:30,689 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-21 19:12:30,720 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-21 19:12:30,754 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-21 19:12:30,788 INFO L291 CfgBuilder]: Performing block encoding [2024-09-21 19:12:30,826 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-21 19:12:30,826 INFO L318 CfgBuilder]: Removed 3 assume(true) statements. [2024-09-21 19:12:30,826 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 07:12:30 BoogieIcfgContainer [2024-09-21 19:12:30,827 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-21 19:12:30,827 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-09-21 19:12:30,827 INFO L270 PluginConnector]: Initializing Referee... [2024-09-21 19:12:30,828 INFO L274 PluginConnector]: Referee initialized [2024-09-21 19:12:30,828 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 21.09 07:12:30" (1/4) ... [2024-09-21 19:12:30,828 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@63bd042a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 21.09 07:12:30, skipping insertion in model container [2024-09-21 19:12:30,828 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 07:12:30" (2/4) ... [2024-09-21 19:12:30,829 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@63bd042a and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 21.09 07:12:30, skipping insertion in model container [2024-09-21 19:12:30,829 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 21.09 07:12:30" (3/4) ... [2024-09-21 19:12:30,829 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@63bd042a and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 21.09 07:12:30, skipping insertion in model container [2024-09-21 19:12:30,829 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 07:12:30" (4/4) ... [2024-09-21 19:12:30,830 INFO L79 RefereeObserver]: Analyzing ICFG recursified_cohendiv-ll.c [2024-09-21 19:12:30,832 INFO L113 InvariantChecker]: Found 0 loops. [2024-09-21 19:12:30,833 INFO L373 InvariantChecker]: Will check inductivity from ENTRY assume_abort_if_notENTRY to ERROR_LOC assume_abort_if_notErr0ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 4 edges. [2024-09-21 19:12:30,834 INFO L373 InvariantChecker]: Will check inductivity from ENTRY func_to_recursive_line_41_to_52_0ENTRY to ERROR_LOC func_to_recursive_line_41_to_52_0Err5ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 15 edges. [2024-09-21 19:12:30,834 INFO L373 InvariantChecker]: Will check inductivity from ENTRY func_to_recursive_line_41_to_52_0ENTRY to ERROR_LOC func_to_recursive_line_41_to_52_0Err0REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 3 edges. [2024-09-21 19:12:30,834 INFO L373 InvariantChecker]: Will check inductivity from ENTRY mainENTRY to ERROR_LOC mainErr1REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 4 edges. [2024-09-21 19:12:30,834 INFO L373 InvariantChecker]: Will check inductivity from ENTRY func_to_recursive_line_41_to_52_0ENTRY to ERROR_LOC func_to_recursive_line_41_to_52_0Err2REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 7 edges. [2024-09-21 19:12:30,834 INFO L373 InvariantChecker]: Will check inductivity from ENTRY func_to_recursive_line_41_to_52_0ENTRY to ERROR_LOC func_to_recursive_line_41_to_52_0Err1REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 5 edges. [2024-09-21 19:12:30,834 INFO L373 InvariantChecker]: Will check inductivity from ENTRY func_to_recursive_line_32_to_55_0ENTRY to ERROR_LOC func_to_recursive_line_32_to_55_0Err3REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 10 edges. [2024-09-21 19:12:30,834 INFO L373 InvariantChecker]: Will check inductivity from ENTRY func_to_recursive_line_32_to_55_0ENTRY to ERROR_LOC func_to_recursive_line_32_to_55_0Err1REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 5 edges. [2024-09-21 19:12:30,835 INFO L373 InvariantChecker]: Will check inductivity from ENTRY mainENTRY to ERROR_LOC mainErr2REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 6 edges. [2024-09-21 19:12:30,835 INFO L373 InvariantChecker]: Will check inductivity from ENTRY func_to_recursive_line_32_to_55_0ENTRY to ERROR_LOC func_to_recursive_line_32_to_55_0Err4ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 13 edges. [2024-09-21 19:12:30,835 INFO L373 InvariantChecker]: Will check inductivity from ENTRY mainENTRY to ERROR_LOC mainErr0REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 2 edges. [2024-09-21 19:12:30,835 INFO L373 InvariantChecker]: Will check inductivity from ENTRY func_to_recursive_line_41_to_52_0ENTRY to ERROR_LOC func_to_recursive_line_41_to_52_0Err4REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 12 edges. [2024-09-21 19:12:30,835 INFO L373 InvariantChecker]: Will check inductivity from ENTRY func_to_recursive_line_32_to_55_0ENTRY to ERROR_LOC func_to_recursive_line_32_to_55_0Err2REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 8 edges. [2024-09-21 19:12:30,835 INFO L373 InvariantChecker]: Will check inductivity from ENTRY func_to_recursive_line_41_to_52_0ENTRY to ERROR_LOC func_to_recursive_line_41_to_52_0Err3REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 10 edges. [2024-09-21 19:12:30,835 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 19:12:30,836 INFO L373 InvariantChecker]: Will check inductivity from ENTRY func_to_recursive_line_32_to_55_0ENTRY to ERROR_LOC func_to_recursive_line_32_to_55_0Err0REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 3 edges. [2024-09-21 19:12:30,836 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 19:12:30,836 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 19:12:30,836 INFO L373 InvariantChecker]: Will check inductivity from ENTRY mainENTRY to ERROR_LOC mainErr3ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 8 edges. [2024-09-21 19:12:30,837 INFO L131 InvariantChecker]: Will check 19 loop-free subgraphs from procedure entry to error location [2024-09-21 19:12:30,868 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 4 edges [2024-09-21 19:12:30,869 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 19:12:30,869 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 19:12:30,870 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 19:12:30,870 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 19:12:30,872 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:12:30,876 INFO L101 BaseMinimizeStates]: Removed 6 edges and 2 locations by large block encoding [2024-09-21 19:12:30,877 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:12:30,877 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 19:12:30,877 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 19:12:30,878 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 19:12:30,880 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 19:12:30,894 INFO L520 InvariantChecker]: The annotation(s) from entry assume_abort_if_notENTRY to error location assume_abort_if_notErr0ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-21 19:12:30,918 INFO L314 BlockEncoder]: Initial Icfg 14 locations, 15 edges [2024-09-21 19:12:30,918 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 19:12:30,918 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 19:12:30,918 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 19:12:30,918 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 19:12:30,918 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:12:30,933 INFO L101 BaseMinimizeStates]: Removed 31 edges and 12 locations by large block encoding [2024-09-21 19:12:30,933 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:12:30,933 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 19:12:30,933 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 19:12:30,934 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 19:12:30,935 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 19:12:30,937 INFO L520 InvariantChecker]: The annotation(s) from entry func_to_recursive_line_41_to_52_0ENTRY to error location func_to_recursive_line_41_to_52_0Err5ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-21 19:12:30,959 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-21 19:12:30,960 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 19:12:30,961 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 19:12:30,961 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 19:12:30,961 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 19:12:30,961 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:12:30,963 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-21 19:12:30,964 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:12:30,964 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 19:12:30,964 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 19:12:30,964 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 19:12:30,964 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 19:12:30,967 INFO L520 InvariantChecker]: The annotation(s) from entry func_to_recursive_line_41_to_52_0ENTRY to error location func_to_recursive_line_41_to_52_0Err0REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-21 19:12:30,989 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 4 edges [2024-09-21 19:12:30,989 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 19:12:30,990 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 19:12:30,990 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 19:12:30,990 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 19:12:30,991 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:12:31,002 INFO L101 BaseMinimizeStates]: Removed 6 edges and 3 locations by large block encoding [2024-09-21 19:12:31,002 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:12:31,002 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 19:12:31,003 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 19:12:31,003 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 19:12:31,003 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 19:12:31,004 INFO L520 InvariantChecker]: The annotation(s) from entry mainENTRY to error location mainErr1REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-21 19:12:31,021 INFO L314 BlockEncoder]: Initial Icfg 8 locations, 7 edges [2024-09-21 19:12:31,021 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 19:12:31,021 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 19:12:31,022 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 19:12:31,022 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 19:12:31,022 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:12:31,032 INFO L101 BaseMinimizeStates]: Removed 12 edges and 6 locations by large block encoding [2024-09-21 19:12:31,032 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:12:31,033 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 19:12:31,033 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 19:12:31,033 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 19:12:31,033 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 19:12:31,035 INFO L520 InvariantChecker]: The annotation(s) from entry func_to_recursive_line_41_to_52_0ENTRY to error location func_to_recursive_line_41_to_52_0Err2REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-21 19:12:31,054 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 5 edges [2024-09-21 19:12:31,055 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 19:12:31,055 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 19:12:31,055 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 19:12:31,055 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 19:12:31,055 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:12:31,064 INFO L101 BaseMinimizeStates]: Removed 8 edges and 4 locations by large block encoding [2024-09-21 19:12:31,064 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:12:31,065 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 19:12:31,066 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 19:12:31,066 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 19:12:31,066 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 19:12:31,067 INFO L520 InvariantChecker]: The annotation(s) from entry func_to_recursive_line_41_to_52_0ENTRY to error location func_to_recursive_line_41_to_52_0Err1REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-21 19:12:31,090 INFO L314 BlockEncoder]: Initial Icfg 11 locations, 10 edges [2024-09-21 19:12:31,090 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 19:12:31,090 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 19:12:31,091 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 19:12:31,093 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 19:12:31,093 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:12:31,113 INFO L101 BaseMinimizeStates]: Removed 18 edges and 9 locations by large block encoding [2024-09-21 19:12:31,113 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:12:31,114 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 19:12:31,114 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 19:12:31,114 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 19:12:31,115 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 19:12:31,116 INFO L520 InvariantChecker]: The annotation(s) from entry func_to_recursive_line_32_to_55_0ENTRY to error location func_to_recursive_line_32_to_55_0Err3REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-21 19:12:31,131 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 5 edges [2024-09-21 19:12:31,132 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 19:12:31,132 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 19:12:31,132 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 19:12:31,132 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 19:12:31,133 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:12:31,138 INFO L101 BaseMinimizeStates]: Removed 8 edges and 4 locations by large block encoding [2024-09-21 19:12:31,138 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:12:31,139 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 19:12:31,139 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 19:12:31,139 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 19:12:31,139 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 19:12:31,140 INFO L520 InvariantChecker]: The annotation(s) from entry func_to_recursive_line_32_to_55_0ENTRY to error location func_to_recursive_line_32_to_55_0Err1REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-21 19:12:31,156 INFO L314 BlockEncoder]: Initial Icfg 7 locations, 6 edges [2024-09-21 19:12:31,156 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 19:12:31,157 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 19:12:31,157 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 19:12:31,157 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 19:12:31,157 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:12:31,193 INFO L101 BaseMinimizeStates]: Removed 10 edges and 5 locations by large block encoding [2024-09-21 19:12:31,193 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:12:31,193 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 19:12:31,193 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 19:12:31,193 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 19:12:31,194 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 19:12:31,200 INFO L520 InvariantChecker]: The annotation(s) from entry mainENTRY to error location mainErr2REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-21 19:12:31,225 INFO L314 BlockEncoder]: Initial Icfg 12 locations, 13 edges [2024-09-21 19:12:31,229 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 19:12:31,229 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 19:12:31,230 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 19:12:31,230 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 19:12:31,230 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:12:31,255 INFO L101 BaseMinimizeStates]: Removed 26 edges and 10 locations by large block encoding [2024-09-21 19:12:31,280 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:12:31,280 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 19:12:31,280 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 19:12:31,280 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 19:12:31,282 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 19:12:31,287 INFO L520 InvariantChecker]: The annotation(s) from entry func_to_recursive_line_32_to_55_0ENTRY to error location func_to_recursive_line_32_to_55_0Err4ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-21 19:12:31,303 INFO L314 BlockEncoder]: Initial Icfg 3 locations, 2 edges [2024-09-21 19:12:31,305 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 19:12:31,305 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 19:12:31,305 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 19:12:31,305 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 19:12:31,305 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:12:31,308 INFO L101 BaseMinimizeStates]: Removed 2 edges and 1 locations by large block encoding [2024-09-21 19:12:31,308 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:12:31,308 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 19:12:31,308 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 19:12:31,308 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 19:12:31,308 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 19:12:31,309 INFO L520 InvariantChecker]: The annotation(s) from entry mainENTRY to error location mainErr0REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-21 19:12:31,317 INFO L314 BlockEncoder]: Initial Icfg 13 locations, 12 edges [2024-09-21 19:12:31,318 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 19:12:31,318 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 19:12:31,318 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 19:12:31,318 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 19:12:31,318 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:12:31,330 INFO L101 BaseMinimizeStates]: Removed 22 edges and 11 locations by large block encoding [2024-09-21 19:12:31,330 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:12:31,330 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 19:12:31,330 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 19:12:31,330 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 19:12:31,331 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 19:12:31,332 INFO L520 InvariantChecker]: The annotation(s) from entry func_to_recursive_line_41_to_52_0ENTRY to error location func_to_recursive_line_41_to_52_0Err4REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-21 19:12:31,344 INFO L314 BlockEncoder]: Initial Icfg 9 locations, 8 edges [2024-09-21 19:12:31,347 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 19:12:31,347 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 19:12:31,347 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 19:12:31,347 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 19:12:31,347 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:12:31,354 INFO L101 BaseMinimizeStates]: Removed 14 edges and 7 locations by large block encoding [2024-09-21 19:12:31,354 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:12:31,354 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 19:12:31,355 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 19:12:31,355 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 19:12:31,355 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 19:12:31,356 INFO L520 InvariantChecker]: The annotation(s) from entry func_to_recursive_line_32_to_55_0ENTRY to error location func_to_recursive_line_32_to_55_0Err2REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-21 19:12:31,363 INFO L314 BlockEncoder]: Initial Icfg 11 locations, 10 edges [2024-09-21 19:12:31,363 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 19:12:31,363 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 19:12:31,364 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 19:12:31,364 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 19:12:31,364 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:12:31,373 INFO L101 BaseMinimizeStates]: Removed 18 edges and 9 locations by large block encoding [2024-09-21 19:12:31,373 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:12:31,373 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 19:12:31,374 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 19:12:31,374 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 19:12:31,374 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 19:12:31,375 INFO L520 InvariantChecker]: The annotation(s) from entry func_to_recursive_line_41_to_52_0ENTRY to error location func_to_recursive_line_41_to_52_0Err3REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-21 19:12:31,382 INFO L314 BlockEncoder]: Initial Icfg 3 locations, 2 edges [2024-09-21 19:12:31,382 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 19:12:31,382 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 19:12:31,382 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 19:12:31,382 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 19:12:31,382 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:12:31,383 INFO L101 BaseMinimizeStates]: Removed 2 edges and 1 locations by large block encoding [2024-09-21 19:12:31,383 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:12:31,383 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 19:12:31,383 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 19:12:31,383 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 19:12:31,383 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 19:12:31,384 INFO L520 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to error location ULTIMATE.startErr0REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-21 19:12:31,391 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-21 19:12:31,391 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 19:12:31,391 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 19:12:31,392 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 19:12:31,392 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 19:12:31,392 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:12:31,393 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-21 19:12:31,393 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:12:31,394 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 19:12:31,394 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 19:12:31,394 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 19:12:31,394 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 19:12:31,395 INFO L520 InvariantChecker]: The annotation(s) from entry func_to_recursive_line_32_to_55_0ENTRY to error location func_to_recursive_line_32_to_55_0Err0REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-21 19:12:31,401 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 5 edges [2024-09-21 19:12:31,401 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 19:12:31,402 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 19:12:31,402 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 19:12:31,402 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 19:12:31,402 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:12:31,403 INFO L101 BaseMinimizeStates]: Removed 8 edges and 3 locations by large block encoding [2024-09-21 19:12:31,403 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:12:31,403 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 19:12:31,403 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 19:12:31,403 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 19:12:31,404 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 19:12:31,404 INFO L520 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-21 19:12:31,411 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-21 19:12:31,412 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 19:12:31,412 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 19:12:31,412 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 19:12:31,412 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 19:12:31,412 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:12:31,413 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-21 19:12:31,413 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:12:31,413 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 19:12:31,413 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 19:12:31,413 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 19:12:31,413 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 19:12:31,424 INFO L314 BlockEncoder]: Initial Icfg 9 locations, 8 edges [2024-09-21 19:12:31,425 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 19:12:31,425 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 19:12:31,425 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 19:12:31,425 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 19:12:31,425 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:12:31,441 INFO L101 BaseMinimizeStates]: Removed 14 edges and 7 locations by large block encoding [2024-09-21 19:12:31,441 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:12:31,441 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 19:12:31,441 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 19:12:31,441 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 19:12:31,441 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 19:12:31,442 INFO L520 InvariantChecker]: The annotation(s) from entry mainENTRY to error location mainErr3ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-21 19:12:31,448 INFO L58 RefereeStarter]: Annotation is not a valid proof of correctness. [2024-09-21 19:12:31,448 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@63bd042a and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CFG 21.09 07:12:31, skipping insertion in model container [2024-09-21 19:12:31,448 INFO L131 PluginConnector]: ------------------------ END Referee---------------------------- [2024-09-21 19:12:31,450 INFO L158 Benchmark]: Toolchain (without parser) took 1325.59ms. Allocated memory was 169.9MB in the beginning and 276.8MB in the end (delta: 107.0MB). Free memory was 95.0MB in the beginning and 181.6MB in the end (delta: -86.6MB). Peak memory consumption was 50.3MB. Max. memory is 16.1GB. [2024-09-21 19:12:31,450 INFO L158 Benchmark]: CDTParser took 0.15ms. Allocated memory is still 169.9MB. Free memory is still 125.9MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-21 19:12:31,450 INFO L158 Benchmark]: Witness Parser took 0.11ms. Allocated memory is still 169.9MB. Free memory is still 97.0MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-21 19:12:31,451 INFO L158 Benchmark]: CACSL2BoogieTranslator took 298.38ms. Allocated memory is still 169.9MB. Free memory was 94.8MB in the beginning and 136.1MB in the end (delta: -41.3MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-09-21 19:12:31,451 INFO L158 Benchmark]: Boogie Preprocessor took 44.27ms. Allocated memory is still 169.9MB. Free memory was 136.1MB in the beginning and 134.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-09-21 19:12:31,451 INFO L158 Benchmark]: RCFGBuilder took 357.58ms. Allocated memory is still 169.9MB. Free memory was 134.0MB in the beginning and 112.0MB in the end (delta: 22.0MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. [2024-09-21 19:12:31,452 INFO L158 Benchmark]: Referee took 621.51ms. Allocated memory was 169.9MB in the beginning and 276.8MB in the end (delta: 107.0MB). Free memory was 112.0MB in the beginning and 181.6MB in the end (delta: -69.6MB). Peak memory consumption was 65.0MB. Max. memory is 16.1GB. [2024-09-21 19:12:31,453 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 func_to_recursive_line_32_to_55_0 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_41_to_52_0 to exit of procedure func_to_recursive_line_41_to_52_0. 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 120. Annotation is valid for all loop-free paths from entry of procedure func_to_recursive_line_32_to_55_0 to check that procedure precondition always holds at line 83. Annotation is valid for all loop-free paths from entry of procedure func_to_recursive_line_32_to_55_0 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_32_to_55_0 to check that procedure precondition always holds at line 82. Annotation is valid for all loop-free paths from entry of procedure main to check that procedure precondition always holds at line 114. Annotation is valid for all loop-free paths from entry of procedure assume_abort_if_not to exit of procedure assume_abort_if_not. Annotation is valid for all loop-free paths from entry of procedure func_to_recursive_line_32_to_55_0 to exit of procedure func_to_recursive_line_32_to_55_0. Annotation is valid for all loop-free paths from entry of procedure func_to_recursive_line_41_to_52_0 to check that procedure precondition always holds at line 58. Annotation is valid for all loop-free paths from entry of procedure func_to_recursive_line_41_to_52_0 to check that procedure precondition always holds at line 57. Annotation is valid for all loop-free paths from entry of procedure func_to_recursive_line_41_to_52_0 to check that procedure precondition always holds at line 56. 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_41_to_52_0 to check that procedure precondition always holds at line 70. 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 func_to_recursive_line_41_to_52_0 to check that procedure precondition always holds at line 66. Annotation is valid for all loop-free paths from entry of procedure main to check that procedure precondition always holds at line 119. * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15ms. Allocated memory is still 169.9MB. Free memory is still 125.9MB. There was no memory consumed. Max. memory is 16.1GB. * Witness Parser took 0.11ms. Allocated memory is still 169.9MB. Free memory is still 97.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 298.38ms. Allocated memory is still 169.9MB. Free memory was 94.8MB in the beginning and 136.1MB in the end (delta: -41.3MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Preprocessor took 44.27ms. Allocated memory is still 169.9MB. Free memory was 136.1MB in the beginning and 134.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 357.58ms. Allocated memory is still 169.9MB. Free memory was 134.0MB in the beginning and 112.0MB in the end (delta: 22.0MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. * Referee took 621.51ms. Allocated memory was 169.9MB in the beginning and 276.8MB in the end (delta: 107.0MB). Free memory was 112.0MB in the beginning and 181.6MB in the end (delta: -69.6MB). Peak memory consumption was 65.0MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be incorrect! [2024-09-21 19:12:31,480 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...