This is Ultimate 0.2.4-tmp.dk.referee-eval-27b4987-m [2024-09-21 19:09:18,665 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-21 19:09:18,725 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Default.epf [2024-09-21 19:09:18,729 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-21 19:09:18,729 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-21 19:09:18,752 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-21 19:09:18,752 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-21 19:09:18,753 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-21 19:09:18,753 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-21 19:09:18,754 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-21 19:09:18,754 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-21 19:09:18,755 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-21 19:09:18,755 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-21 19:09:18,756 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-21 19:09:18,756 INFO L153 SettingsManager]: * Use SBE=true [2024-09-21 19:09:18,757 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-21 19:09:18,757 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-21 19:09:18,757 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-21 19:09:18,758 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-09-21 19:09:18,758 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-21 19:09:18,758 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-21 19:09:18,763 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-21 19:09:18,764 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-21 19:09:18,764 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-21 19:09:18,764 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-21 19:09:18,765 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-21 19:09:18,765 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-21 19:09:18,766 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-21 19:09:18,766 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-21 19:09:18,768 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-21 19:09:18,768 INFO L153 SettingsManager]: * Future-live optimization=false [2024-09-21 19:09:18,768 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-21 19:09:18,769 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-21 19:09:18,769 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-21 19:09:18,770 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-21 19:09:18,770 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-21 19:09:18,770 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-21 19:09:18,770 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-09-21 19:09:18,771 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-09-21 19:09:18,771 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-21 19:09:18,771 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-21 19:09:18,775 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-21 19:09:18,775 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-21 19:09:18,775 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None [2024-09-21 19:09:19,038 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-21 19:09:19,090 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-21 19:09:19,092 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-21 19:09:19,093 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-21 19:09:19,095 INFO L274 PluginConnector]: CDTParser initialized [2024-09-21 19:09:19,113 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/nla-digbench-scaling/egcd-ll_valuebound50.c [2024-09-21 19:09:20,652 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-21 19:09:20,862 INFO L384 CDTParser]: Found 1 translation units. [2024-09-21 19:09:20,863 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench-scaling/egcd-ll_valuebound50.c [2024-09-21 19:09:20,871 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/86596a262/733c1e334e3c4b228875070a7cea25fe/FLAGe4e63a76a [2024-09-21 19:09:20,885 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/86596a262/733c1e334e3c4b228875070a7cea25fe [2024-09-21 19:09:20,887 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-21 19:09:20,888 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-21 19:09:20,889 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/cpachecker-verification-files/SV-COMP24_unreach-call/egcd-ll_valuebound50.yml/output/witness-2.1.yml [2024-09-21 19:09:20,944 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-21 19:09:20,947 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-09-21 19:09:20,952 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-21 19:09:20,952 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-21 19:09:20,957 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-21 19:09:20,958 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 07:09:20" (1/2) ... [2024-09-21 19:09:20,959 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1fc9abd8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 07:09:20, skipping insertion in model container [2024-09-21 19:09:20,959 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 07:09:20" (1/2) ... [2024-09-21 19:09:20,963 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@3714946c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 07:09:20, skipping insertion in model container [2024-09-21 19:09:20,963 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 07:09:20" (2/2) ... [2024-09-21 19:09:20,963 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1fc9abd8 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 21.09 07:09:20, skipping insertion in model container [2024-09-21 19:09:20,963 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 07:09:20" (2/2) ... [2024-09-21 19:09:20,972 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-21 19:09:20,973 INFO L1541 ArrayList]: Loop invariant at [L35-L52] 1 [2024-09-21 19:09:20,973 INFO L1541 ArrayList]: Function contract at [L4]: requires 1, ensures 1 [2024-09-21 19:09:20,974 INFO L1541 ArrayList]: Function contract at [L10]: requires 1, ensures (!(1) || (1)) [2024-09-21 19:09:20,974 INFO L1541 ArrayList]: Function contract at [L18]: requires 1, ensures (!(1) || (1)) [2024-09-21 19:09:20,974 INFO L1541 ArrayList]: Function contract at [L7]: requires 1, ensures (!(1) || (1)) [2024-09-21 19:09:20,995 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-21 19:09:21,150 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/nla-digbench-scaling/egcd-ll_valuebound50.c[489,502] [2024-09-21 19:09:21,175 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-21 19:09:21,193 INFO L200 MainTranslator]: Completed pre-run Start Parsing Global Start Parsing Global Start Parsing Global Start Parsing Global Start Parsing Global Start Parsing Global [2024-09-21 19:09:21,236 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/nla-digbench-scaling/egcd-ll_valuebound50.c[489,502] Start Parsing Global Start Parsing Global Start Parsing Local [2024-09-21 19:09:21,254 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-21 19:09:21,272 INFO L204 MainTranslator]: Completed translation [2024-09-21 19:09:21,272 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 21.09 07:09:21 WrapperNode [2024-09-21 19:09:21,272 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-21 19:09:21,273 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-21 19:09:21,274 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-21 19:09:21,274 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-21 19:09:21,289 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 07:09:21" (1/1) ... [2024-09-21 19:09:21,289 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 07:09:21" (1/1) ... [2024-09-21 19:09:21,296 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 07:09:21" (1/1) ... [2024-09-21 19:09:21,312 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 19:09:21,312 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 07:09:21" (1/1) ... [2024-09-21 19:09:21,312 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 07:09:21" (1/1) ... [2024-09-21 19:09:21,319 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 07:09:21" (1/1) ... [2024-09-21 19:09:21,326 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 07:09:21" (1/1) ... [2024-09-21 19:09:21,330 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 07:09:21" (1/1) ... [2024-09-21 19:09:21,331 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 07:09:21" (1/1) ... [2024-09-21 19:09:21,333 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-21 19:09:21,336 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-21 19:09:21,336 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-21 19:09:21,337 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-21 19:09:21,338 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 07:09:21" (1/1) ... [2024-09-21 19:09:21,344 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-21 19:09:21,353 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-09-21 19:09:21,370 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 19:09:21,377 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 19:09:21,444 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-09-21 19:09:21,444 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-21 19:09:21,444 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-09-21 19:09:21,444 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-09-21 19:09:21,444 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-09-21 19:09:21,445 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-09-21 19:09:21,445 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-09-21 19:09:21,445 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-09-21 19:09:21,445 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-09-21 19:09:21,446 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-21 19:09:21,447 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2024-09-21 19:09:21,447 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-09-21 19:09:21,447 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-09-21 19:09:21,447 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-09-21 19:09:21,447 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-09-21 19:09:21,448 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-09-21 19:09:21,448 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-21 19:09:21,448 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-09-21 19:09:21,448 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-09-21 19:09:21,449 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-09-21 19:09:21,525 INFO L242 CfgBuilder]: Building ICFG [2024-09-21 19:09:21,530 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-21 19:09:21,535 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-21 19:09:21,561 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-21 19:09:21,588 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-21 19:09:21,688 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-21 19:09:21,722 INFO L291 CfgBuilder]: Performing block encoding [2024-09-21 19:09:21,761 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-21 19:09:21,762 INFO L318 CfgBuilder]: Removed 2 assume(true) statements. [2024-09-21 19:09:21,762 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 07:09:21 BoogieIcfgContainer [2024-09-21 19:09:21,766 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-21 19:09:21,767 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-09-21 19:09:21,767 INFO L270 PluginConnector]: Initializing Referee... [2024-09-21 19:09:21,768 INFO L274 PluginConnector]: Referee initialized [2024-09-21 19:09:21,768 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 21.09 07:09:20" (1/4) ... [2024-09-21 19:09:21,769 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@455e421f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 21.09 07:09:21, skipping insertion in model container [2024-09-21 19:09:21,769 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 07:09:20" (2/4) ... [2024-09-21 19:09:21,769 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@455e421f and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 21.09 07:09:21, skipping insertion in model container [2024-09-21 19:09:21,769 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 07:09:21" (3/4) ... [2024-09-21 19:09:21,770 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@455e421f and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 21.09 07:09:21, skipping insertion in model container [2024-09-21 19:09:21,770 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 07:09:21" (4/4) ... [2024-09-21 19:09:21,771 INFO L79 RefereeObserver]: Analyzing ICFG egcd-ll_valuebound50.c [2024-09-21 19:09:21,776 INFO L113 InvariantChecker]: Found 1 loops. [2024-09-21 19:09:21,777 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 19:09:21,777 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L43-2 to ERROR_LOC mainErr5REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 3 edges. [2024-09-21 19:09:21,777 INFO L373 InvariantChecker]: Will check inductivity from ENTRY mainENTRY to ERROR_LOC mainErr1REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 4 edges. [2024-09-21 19:09:21,778 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L43-2 to ERROR_LOC mainErr9REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 10 edges. [2024-09-21 19:09:21,778 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 19:09:21,778 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L43-2 to ERROR_LOC mainErr8REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 9 edges. [2024-09-21 19:09:21,778 INFO L373 InvariantChecker]: Will check inductivity from ENTRY mainENTRY to ERROR_LOC mainErr2REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 5 edges. [2024-09-21 19:09:21,779 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L43-2 to ERROR_LOC mainErr7REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 5 edges. [2024-09-21 19:09:21,779 INFO L373 InvariantChecker]: Will check inductivity from ENTRY mainENTRY to ERROR_LOC mainErr0REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 2 edges. [2024-09-21 19:09:21,779 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L43-2 to ERROR_LOC mainErr10REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 11 edges. [2024-09-21 19:09:21,779 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L43-2 to ERROR_LOC mainErr6REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 4 edges. [2024-09-21 19:09:21,780 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L43-2 to ERROR_LOC mainErr12ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 14 edges. [2024-09-21 19:09:21,780 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 19:09:21,780 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 19:09:21,781 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L43-2 to ERROR_LOC mainErr11REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 12 edges. [2024-09-21 19:09:21,781 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 19:09:21,781 INFO L373 InvariantChecker]: Will check inductivity from ENTRY mainENTRY to ERROR_LOC mainErr3REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 6 edges. [2024-09-21 19:09:21,781 INFO L373 InvariantChecker]: Will check inductivity from ENTRY mainENTRY to LOOP_INVARIANT_ERROR_LOC mainErr4ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 8 edges. [2024-09-21 19:09:21,781 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L43-2 to LOOP_INVARIANT_ERROR_LOC mainErr4ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 9 edges. [2024-09-21 19:09:21,782 INFO L131 InvariantChecker]: Will check 9 loop-free subgraphs from procedure entry to error location, 8 loop-free subgraphs from loop head to error location, 1 loop-free subgraphs from procedure entry to loop head, 1 loop-free subgraphs from loop head to loop head [2024-09-21 19:09:21,838 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 4 edges [2024-09-21 19:09:21,840 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 19:09:21,840 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 19:09:21,841 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 19:09:21,842 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 19:09:21,844 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:09:21,853 INFO L101 BaseMinimizeStates]: Removed 6 edges and 2 locations by large block encoding [2024-09-21 19:09:21,854 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:09:21,854 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 19:09:21,855 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 19:09:21,855 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 19:09:21,859 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 19:09:21,878 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 19:09:21,901 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-21 19:09:21,905 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 19:09:21,905 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 19:09:21,906 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 19:09:21,906 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 19:09:21,906 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:09:21,907 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-21 19:09:21,907 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:09:21,908 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 19:09:21,908 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 19:09:21,908 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 19:09:21,908 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 19:09:21,909 INFO L520 InvariantChecker]: The annotation(s) from loop head L43-2 to error location mainErr5REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-21 19:09:21,925 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 4 edges [2024-09-21 19:09:21,926 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 19:09:21,926 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 19:09:21,926 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 19:09:21,926 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 19:09:21,926 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:09:21,931 INFO L101 BaseMinimizeStates]: Removed 6 edges and 3 locations by large block encoding [2024-09-21 19:09:21,932 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:09:21,932 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 19:09:21,932 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 19:09:21,932 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 19:09:21,933 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 19:09:21,938 INFO L520 InvariantChecker]: The annotation(s) from entry mainENTRY to error location mainErr1REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-21 19:09:21,953 INFO L314 BlockEncoder]: Initial Icfg 9 locations, 10 edges [2024-09-21 19:09:21,953 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 19:09:21,954 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 19:09:21,954 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 19:09:21,954 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 19:09:21,954 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:09:21,958 INFO L101 BaseMinimizeStates]: Removed 20 edges and 7 locations by large block encoding [2024-09-21 19:09:21,958 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:09:21,958 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 19:09:21,958 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 19:09:21,958 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 19:09:21,959 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 19:09:21,961 INFO L520 InvariantChecker]: The annotation(s) from loop head L43-2 to error location mainErr9REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-21 19:09:21,985 INFO L314 BlockEncoder]: Initial Icfg 3 locations, 2 edges [2024-09-21 19:09:21,985 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 19:09:21,986 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 19:09:21,986 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 19:09:21,986 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 19:09:21,986 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:09:21,987 INFO L101 BaseMinimizeStates]: Removed 2 edges and 1 locations by large block encoding [2024-09-21 19:09:21,987 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:09:21,987 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 19:09:21,987 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 19:09:21,987 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 19:09:21,987 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 19:09:21,990 INFO L520 InvariantChecker]: The annotation(s) from entry reach_errorENTRY to error location reach_errorErr0ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-21 19:09:22,015 INFO L314 BlockEncoder]: Initial Icfg 8 locations, 9 edges [2024-09-21 19:09:22,015 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 19:09:22,015 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 19:09:22,015 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 19:09:22,016 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 19:09:22,016 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:09:22,020 INFO L101 BaseMinimizeStates]: Removed 16 edges and 6 locations by large block encoding [2024-09-21 19:09:22,021 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:09:22,021 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 19:09:22,022 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 19:09:22,022 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 19:09:22,022 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 19:09:22,024 INFO L520 InvariantChecker]: The annotation(s) from loop head L43-2 to error location mainErr8REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-21 19:09:22,039 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 5 edges [2024-09-21 19:09:22,039 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 19:09:22,039 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 19:09:22,039 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 19:09:22,040 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 19:09:22,040 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:09:22,044 INFO L101 BaseMinimizeStates]: Removed 8 edges and 4 locations by large block encoding [2024-09-21 19:09:22,045 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:09:22,045 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 19:09:22,045 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 19:09:22,045 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 19:09:22,045 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 19:09:22,047 INFO L520 InvariantChecker]: The annotation(s) from entry mainENTRY to error location mainErr2REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-21 19:09:22,059 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 5 edges [2024-09-21 19:09:22,059 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 19:09:22,059 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 19:09:22,059 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 19:09:22,060 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 19:09:22,060 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:09:22,061 INFO L101 BaseMinimizeStates]: Removed 8 edges and 4 locations by large block encoding [2024-09-21 19:09:22,061 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:09:22,061 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 19:09:22,061 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 19:09:22,062 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 19:09:22,062 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 19:09:22,064 INFO L520 InvariantChecker]: The annotation(s) from loop head L43-2 to error location mainErr7REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-21 19:09:22,073 INFO L314 BlockEncoder]: Initial Icfg 3 locations, 2 edges [2024-09-21 19:09:22,073 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 19:09:22,074 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 19:09:22,074 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 19:09:22,074 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 19:09:22,074 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:09:22,075 INFO L101 BaseMinimizeStates]: Removed 2 edges and 1 locations by large block encoding [2024-09-21 19:09:22,076 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:09:22,076 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 19:09:22,076 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 19:09:22,076 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 19:09:22,076 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 19:09:22,078 INFO L520 InvariantChecker]: The annotation(s) from entry mainENTRY to error location mainErr0REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-21 19:09:22,092 INFO L314 BlockEncoder]: Initial Icfg 10 locations, 11 edges [2024-09-21 19:09:22,092 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 19:09:22,093 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 19:09:22,093 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 19:09:22,093 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 19:09:22,093 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:09:22,098 INFO L101 BaseMinimizeStates]: Removed 24 edges and 8 locations by large block encoding [2024-09-21 19:09:22,099 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:09:22,099 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 19:09:22,099 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 19:09:22,099 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 19:09:22,100 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 19:09:22,102 INFO L520 InvariantChecker]: The annotation(s) from loop head L43-2 to error location mainErr10REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-21 19:09:22,115 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 4 edges [2024-09-21 19:09:22,116 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 19:09:22,116 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 19:09:22,116 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 19:09:22,118 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 19:09:22,118 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:09:22,120 INFO L101 BaseMinimizeStates]: Removed 6 edges and 3 locations by large block encoding [2024-09-21 19:09:22,120 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:09:22,120 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 19:09:22,121 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 19:09:22,121 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 19:09:22,121 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 19:09:22,124 INFO L520 InvariantChecker]: The annotation(s) from loop head L43-2 to error location mainErr6REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-21 19:09:22,135 INFO L314 BlockEncoder]: Initial Icfg 13 locations, 14 edges [2024-09-21 19:09:22,135 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 19:09:22,136 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 19:09:22,136 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 19:09:22,136 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 19:09:22,136 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:09:22,149 INFO L101 BaseMinimizeStates]: Removed 36 edges and 11 locations by large block encoding [2024-09-21 19:09:22,150 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:09:22,150 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 19:09:22,150 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 19:09:22,150 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 19:09:22,150 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 19:09:22,153 INFO L520 InvariantChecker]: The annotation(s) from loop head L43-2 to error location mainErr12ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-21 19:09:22,164 INFO L314 BlockEncoder]: Initial Icfg 3 locations, 2 edges [2024-09-21 19:09:22,164 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 19:09:22,164 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 19:09:22,165 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 19:09:22,165 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 19:09:22,165 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:09:22,165 INFO L101 BaseMinimizeStates]: Removed 2 edges and 1 locations by large block encoding [2024-09-21 19:09:22,166 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:09:22,166 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 19:09:22,166 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 19:09:22,166 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 19:09:22,167 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 19:09:22,168 INFO L520 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to error location ULTIMATE.startErr0REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-21 19:09:22,178 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 5 edges [2024-09-21 19:09:22,178 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 19:09:22,178 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 19:09:22,179 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 19:09:22,179 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 19:09:22,179 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:09:22,182 INFO L101 BaseMinimizeStates]: Removed 8 edges and 3 locations by large block encoding [2024-09-21 19:09:22,182 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:09:22,182 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 19:09:22,183 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 19:09:22,183 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 19:09:22,183 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 19:09:22,185 INFO L520 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-21 19:09:22,198 INFO L314 BlockEncoder]: Initial Icfg 11 locations, 12 edges [2024-09-21 19:09:22,198 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 19:09:22,199 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 19:09:22,199 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 19:09:22,199 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 19:09:22,199 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:09:22,203 INFO L101 BaseMinimizeStates]: Removed 28 edges and 9 locations by large block encoding [2024-09-21 19:09:22,203 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:09:22,203 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 19:09:22,203 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 19:09:22,203 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 19:09:22,204 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 19:09:22,206 INFO L520 InvariantChecker]: The annotation(s) from loop head L43-2 to error location mainErr11REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-21 19:09:22,213 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-21 19:09:22,213 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 19:09:22,214 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 19:09:22,214 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 19:09:22,214 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 19:09:22,214 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:09:22,215 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-21 19:09:22,215 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:09:22,216 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 19:09:22,216 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 19:09:22,216 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 19:09:22,216 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 19:09:22,235 INFO L314 BlockEncoder]: Initial Icfg 7 locations, 6 edges [2024-09-21 19:09:22,236 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 19:09:22,236 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 19:09:22,236 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 19:09:22,236 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 19:09:22,236 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:09:22,246 INFO L101 BaseMinimizeStates]: Removed 10 edges and 5 locations by large block encoding [2024-09-21 19:09:22,246 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:09:22,246 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 19:09:22,246 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 19:09:22,246 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 19:09:22,246 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 19:09:22,251 INFO L520 InvariantChecker]: The annotation(s) from entry mainENTRY to error location mainErr3REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-21 19:09:22,259 INFO L314 BlockEncoder]: Initial Icfg 9 locations, 8 edges [2024-09-21 19:09:22,259 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 19:09:22,261 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 19:09:22,261 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 19:09:22,261 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 19:09:22,261 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:09:22,273 INFO L101 BaseMinimizeStates]: Removed 14 edges and 7 locations by large block encoding [2024-09-21 19:09:22,273 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:09:22,273 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 19:09:22,273 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 19:09:22,274 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 19:09:22,274 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 19:09:22,279 INFO L520 InvariantChecker]: The annotation(s) from entry mainENTRY to loop head mainErr4ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-21 19:09:22,286 INFO L314 BlockEncoder]: Initial Icfg 9 locations, 9 edges [2024-09-21 19:09:22,286 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 19:09:22,286 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 19:09:22,286 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 19:09:22,286 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 19:09:22,287 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:09:22,291 INFO L101 BaseMinimizeStates]: Removed 16 edges and 7 locations by large block encoding [2024-09-21 19:09:22,291 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:09:22,291 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 19:09:22,291 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 19:09:22,291 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 19:09:22,292 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 19:09:22,293 INFO L520 InvariantChecker]: The annotation(s) from loop head L43-2 to loop head mainErr4ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-21 19:09:22,301 INFO L58 RefereeStarter]: Annotation is not a valid proof of correctness. [2024-09-21 19:09:22,302 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@455e421f and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CFG 21.09 07:09:22, skipping insertion in model container [2024-09-21 19:09:22,302 INFO L131 PluginConnector]: ------------------------ END Referee---------------------------- [2024-09-21 19:09:22,304 INFO L158 Benchmark]: Toolchain (without parser) took 1355.99ms. Allocated memory was 142.6MB in the beginning and 201.3MB in the end (delta: 58.7MB). Free memory was 90.1MB in the beginning and 113.2MB in the end (delta: -23.1MB). Peak memory consumption was 38.8MB. Max. memory is 16.1GB. [2024-09-21 19:09:22,304 INFO L158 Benchmark]: CDTParser took 0.28ms. Allocated memory is still 142.6MB. Free memory is still 118.9MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-21 19:09:22,304 INFO L158 Benchmark]: Witness Parser took 0.12ms. Allocated memory is still 142.6MB. Free memory is still 92.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-21 19:09:22,305 INFO L158 Benchmark]: CACSL2BoogieTranslator took 321.06ms. Allocated memory is still 142.6MB. Free memory was 89.8MB in the beginning and 75.7MB in the end (delta: 14.1MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-09-21 19:09:22,306 INFO L158 Benchmark]: Boogie Preprocessor took 61.90ms. Allocated memory is still 142.6MB. Free memory was 75.7MB in the beginning and 73.4MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-09-21 19:09:22,307 INFO L158 Benchmark]: RCFGBuilder took 430.20ms. Allocated memory was 142.6MB in the beginning and 201.3MB in the end (delta: 58.7MB). Free memory was 73.4MB in the beginning and 163.5MB in the end (delta: -90.1MB). Peak memory consumption was 13.6MB. Max. memory is 16.1GB. [2024-09-21 19:09:22,307 INFO L158 Benchmark]: Referee took 535.25ms. Allocated memory is still 201.3MB. Free memory was 163.5MB in the beginning and 113.2MB in the end (delta: 50.3MB). Peak memory consumption was 50.3MB. Max. memory is 16.1GB. [2024-09-21 19:09:22,310 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 12. One counterexample starts in \old(cond)=0 and ends in \old(cond)=0, cond=0. Annotation is valid for all loop-free paths from loop head at line 35 to check that procedure precondition always holds at line 56. Annotation is valid for all loop-free paths from loop head at line 35 to loop head at line 35. Annotation is valid for all loop-free paths from loop head at line 35 to check that procedure precondition always holds at line 35. Annotation is valid for all loop-free paths from entry of procedure main to check that procedure precondition always holds at line 22. Annotation is valid for all loop-free paths from loop head at line 35 to check that procedure precondition always holds at line 54. Annotation is valid for all loop-free paths from entry of procedure main to check that procedure precondition always holds at line 24. Annotation is valid for all loop-free paths from loop head at line 35 to check that procedure precondition always holds at line 55. 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 main to check that procedure precondition always holds at line 25. Annotation is valid for all loop-free paths from loop head at line 35 to check that procedure precondition always holds at line 36. 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 main to loop head at line 35. Annotation is valid for all loop-free paths from loop head at line 35 to exit of procedure main. 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 loop head at line 35 to check that procedure precondition always holds at line 36. 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 24. Annotation is valid for all loop-free paths from loop head at line 35 to check that procedure precondition always holds at line 37. * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28ms. Allocated memory is still 142.6MB. Free memory is still 118.9MB. There was no memory consumed. Max. memory is 16.1GB. * Witness Parser took 0.12ms. Allocated memory is still 142.6MB. Free memory is still 92.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 321.06ms. Allocated memory is still 142.6MB. Free memory was 89.8MB in the beginning and 75.7MB in the end (delta: 14.1MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Preprocessor took 61.90ms. Allocated memory is still 142.6MB. Free memory was 75.7MB in the beginning and 73.4MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 430.20ms. Allocated memory was 142.6MB in the beginning and 201.3MB in the end (delta: 58.7MB). Free memory was 73.4MB in the beginning and 163.5MB in the end (delta: -90.1MB). Peak memory consumption was 13.6MB. Max. memory is 16.1GB. * Referee took 535.25ms. Allocated memory is still 201.3MB. Free memory was 163.5MB in the beginning and 113.2MB in the end (delta: 50.3MB). Peak memory consumption was 50.3MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be incorrect! [2024-09-21 19:09:22,345 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...