This is Ultimate 0.2.4-tmp.dk.referee-eval-27b4987-m [2024-09-21 19:08:16,631 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-21 19:08:16,685 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Default.epf [2024-09-21 19:08:16,689 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-21 19:08:16,690 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-21 19:08:16,712 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-21 19:08:16,713 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-21 19:08:16,714 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-21 19:08:16,714 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-21 19:08:16,716 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-21 19:08:16,716 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-21 19:08:16,716 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-21 19:08:16,717 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-21 19:08:16,717 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-21 19:08:16,717 INFO L153 SettingsManager]: * Use SBE=true [2024-09-21 19:08:16,719 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-21 19:08:16,720 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-21 19:08:16,720 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-21 19:08:16,720 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-09-21 19:08:16,720 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-21 19:08:16,720 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-21 19:08:16,721 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-21 19:08:16,721 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-21 19:08:16,722 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-21 19:08:16,722 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-21 19:08:16,722 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-21 19:08:16,722 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-21 19:08:16,722 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-21 19:08:16,723 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-21 19:08:16,723 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-21 19:08:16,723 INFO L153 SettingsManager]: * Future-live optimization=false [2024-09-21 19:08:16,723 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-21 19:08:16,724 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-21 19:08:16,724 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-21 19:08:16,724 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-21 19:08:16,725 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-21 19:08:16,725 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-21 19:08:16,725 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-09-21 19:08:16,725 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-09-21 19:08:16,725 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-21 19:08:16,726 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-21 19:08:16,726 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-21 19:08:16,726 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-21 19:08:16,726 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None [2024-09-21 19:08:16,961 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-21 19:08:16,980 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-21 19:08:16,982 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-21 19:08:16,983 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-21 19:08:16,983 INFO L274 PluginConnector]: CDTParser initialized [2024-09-21 19:08:16,984 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/nla-digbench/egcd-ll.c [2024-09-21 19:08:18,211 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-21 19:08:18,356 INFO L384 CDTParser]: Found 1 translation units. [2024-09-21 19:08:18,356 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench/egcd-ll.c [2024-09-21 19:08:18,362 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/8398932ce/f8f129b26ed74af886447e343c9a9cd3/FLAGe349a92ed [2024-09-21 19:08:18,776 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/8398932ce/f8f129b26ed74af886447e343c9a9cd3 [2024-09-21 19:08:18,784 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-21 19:08:18,788 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-21 19:08:18,789 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/cpachecker-verification-files/SV-COMP24_unreach-call/egcd-ll.yml/output/witness-2.1.yml [2024-09-21 19:08:18,833 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-21 19:08:18,834 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-09-21 19:08:18,836 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-21 19:08:18,836 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-21 19:08:18,840 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-21 19:08:18,841 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 07:08:18" (1/2) ... [2024-09-21 19:08:18,841 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2b3af307 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 07:08:18, skipping insertion in model container [2024-09-21 19:08:18,841 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 07:08:18" (1/2) ... [2024-09-21 19:08:18,842 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@11838986 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 07:08:18, skipping insertion in model container [2024-09-21 19:08:18,843 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 07:08:18" (2/2) ... [2024-09-21 19:08:18,843 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2b3af307 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 21.09 07:08:18, skipping insertion in model container [2024-09-21 19:08:18,843 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 07:08:18" (2/2) ... [2024-09-21 19:08:18,852 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-21 19:08:18,852 INFO L1541 ArrayList]: Loop invariant at [L33-L50] 1 [2024-09-21 19:08:18,852 INFO L1541 ArrayList]: Function contract at [L18]: requires 1, ensures (!(1) || (1)) [2024-09-21 19:08:18,852 INFO L1541 ArrayList]: Function contract at [L10]: requires 1, ensures (!(1) || (1)) [2024-09-21 19:08:18,853 INFO L1541 ArrayList]: Function contract at [L4]: requires 1, ensures 1 [2024-09-21 19:08:18,853 INFO L1541 ArrayList]: Function contract at [L7]: requires 1, ensures (!(1) || (1)) [2024-09-21 19:08:18,867 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-21 19:08:18,988 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/egcd-ll.c[489,502] [2024-09-21 19:08:19,001 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-21 19:08:19,008 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 19:08:19,042 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/egcd-ll.c[489,502] Start Parsing Global Start Parsing Global Start Parsing Local [2024-09-21 19:08:19,052 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-21 19:08:19,066 INFO L204 MainTranslator]: Completed translation [2024-09-21 19:08:19,067 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 21.09 07:08:19 WrapperNode [2024-09-21 19:08:19,067 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-21 19:08:19,068 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-21 19:08:19,068 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-21 19:08:19,068 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-21 19:08:19,078 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 07:08:19" (1/1) ... [2024-09-21 19:08:19,078 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 07:08:19" (1/1) ... [2024-09-21 19:08:19,083 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 07:08:19" (1/1) ... [2024-09-21 19:08:19,091 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 19:08:19,094 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 07:08:19" (1/1) ... [2024-09-21 19:08:19,094 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 07:08:19" (1/1) ... [2024-09-21 19:08:19,097 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 07:08:19" (1/1) ... [2024-09-21 19:08:19,101 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 07:08:19" (1/1) ... [2024-09-21 19:08:19,102 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 07:08:19" (1/1) ... [2024-09-21 19:08:19,103 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 07:08:19" (1/1) ... [2024-09-21 19:08:19,104 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-21 19:08:19,108 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-21 19:08:19,108 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-21 19:08:19,108 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-21 19:08:19,109 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 07:08:19" (1/1) ... [2024-09-21 19:08:19,113 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-21 19:08:19,119 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-09-21 19:08:19,133 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 19:08:19,137 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 19:08:19,167 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-09-21 19:08:19,168 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-21 19:08:19,169 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-09-21 19:08:19,169 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-09-21 19:08:19,169 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-09-21 19:08:19,169 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-09-21 19:08:19,170 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-09-21 19:08:19,170 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-09-21 19:08:19,170 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-09-21 19:08:19,170 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-21 19:08:19,170 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2024-09-21 19:08:19,170 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-09-21 19:08:19,170 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-09-21 19:08:19,170 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-09-21 19:08:19,171 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-09-21 19:08:19,171 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-09-21 19:08:19,171 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-21 19:08:19,171 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-09-21 19:08:19,171 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-09-21 19:08:19,171 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-09-21 19:08:19,226 INFO L242 CfgBuilder]: Building ICFG [2024-09-21 19:08:19,230 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-21 19:08:19,234 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-21 19:08:19,255 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-21 19:08:19,297 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-21 19:08:19,365 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-21 19:08:19,378 INFO L291 CfgBuilder]: Performing block encoding [2024-09-21 19:08:19,397 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-21 19:08:19,398 INFO L318 CfgBuilder]: Removed 2 assume(true) statements. [2024-09-21 19:08:19,398 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 07:08:19 BoogieIcfgContainer [2024-09-21 19:08:19,398 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-21 19:08:19,398 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-09-21 19:08:19,399 INFO L270 PluginConnector]: Initializing Referee... [2024-09-21 19:08:19,399 INFO L274 PluginConnector]: Referee initialized [2024-09-21 19:08:19,399 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 21.09 07:08:18" (1/4) ... [2024-09-21 19:08:19,400 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@139acaa3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 21.09 07:08:19, skipping insertion in model container [2024-09-21 19:08:19,400 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 07:08:18" (2/4) ... [2024-09-21 19:08:19,400 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@139acaa3 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 21.09 07:08:19, skipping insertion in model container [2024-09-21 19:08:19,400 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 07:08:19" (3/4) ... [2024-09-21 19:08:19,400 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@139acaa3 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 21.09 07:08:19, skipping insertion in model container [2024-09-21 19:08:19,400 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 07:08:19" (4/4) ... [2024-09-21 19:08:19,401 INFO L79 RefereeObserver]: Analyzing ICFG egcd-ll.c [2024-09-21 19:08:19,404 INFO L113 InvariantChecker]: Found 1 loops. [2024-09-21 19:08:19,404 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 19:08:19,405 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L41-2 to ERROR_LOC mainErr5REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 5 edges. [2024-09-21 19:08:19,405 INFO L373 InvariantChecker]: Will check inductivity from ENTRY mainENTRY to ERROR_LOC mainErr1REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 3 edges. [2024-09-21 19:08:19,405 INFO L373 InvariantChecker]: Will check inductivity from ENTRY mainENTRY to LOOP_INVARIANT_ERROR_LOC mainErr2ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 5 edges. [2024-09-21 19:08:19,405 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L41-2 to LOOP_INVARIANT_ERROR_LOC mainErr2ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 9 edges. [2024-09-21 19:08:19,405 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L41-2 to ERROR_LOC mainErr9REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 12 edges. [2024-09-21 19:08:19,405 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L41-2 to ERROR_LOC mainErr4REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 4 edges. [2024-09-21 19:08:19,405 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 19:08:19,405 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L41-2 to ERROR_LOC mainErr8REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 11 edges. [2024-09-21 19:08:19,405 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L41-2 to ERROR_LOC mainErr7REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 10 edges. [2024-09-21 19:08:19,406 INFO L373 InvariantChecker]: Will check inductivity from ENTRY mainENTRY to ERROR_LOC mainErr0REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 2 edges. [2024-09-21 19:08:19,406 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L41-2 to ERROR_LOC mainErr6REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 9 edges. [2024-09-21 19:08:19,406 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 19:08:19,406 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 19:08:19,406 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L41-2 to ERROR_LOC mainErr10ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 14 edges. [2024-09-21 19:08:19,406 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 19:08:19,406 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L41-2 to ERROR_LOC mainErr3REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 3 edges. [2024-09-21 19:08:19,406 INFO L131 InvariantChecker]: Will check 8 loop-free subgraphs from loop head to error location, 1 loop-free subgraphs from loop head to loop head, 7 loop-free subgraphs from procedure entry to error location, 1 loop-free subgraphs from procedure entry to loop head [2024-09-21 19:08:19,434 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 4 edges [2024-09-21 19:08:19,436 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 19:08:19,437 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 19:08:19,437 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 19:08:19,438 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 19:08:19,439 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:08:19,447 INFO L101 BaseMinimizeStates]: Removed 6 edges and 2 locations by large block encoding [2024-09-21 19:08:19,448 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:08:19,448 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 19:08:19,449 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 19:08:19,449 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 19:08:19,451 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 19:08:19,465 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 19:08:19,481 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 5 edges [2024-09-21 19:08:19,481 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 19:08:19,481 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 19:08:19,482 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 19:08:19,482 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 19:08:19,482 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:08:19,482 INFO L101 BaseMinimizeStates]: Removed 8 edges and 4 locations by large block encoding [2024-09-21 19:08:19,483 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:08:19,483 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 19:08:19,483 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 19:08:19,483 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 19:08:19,483 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 19:08:19,488 INFO L520 InvariantChecker]: The annotation(s) from loop head L41-2 to error location mainErr5REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-21 19:08:19,501 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-21 19:08:19,502 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 19:08:19,502 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 19:08:19,502 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 19:08:19,503 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 19:08:19,503 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:08:19,504 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-21 19:08:19,504 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:08:19,505 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 19:08:19,505 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 19:08:19,505 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 19:08:19,505 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 19:08:19,507 INFO L520 InvariantChecker]: The annotation(s) from entry mainENTRY to error location mainErr1REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-21 19:08:19,515 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 5 edges [2024-09-21 19:08:19,515 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 19:08:19,515 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 19:08:19,516 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 19:08:19,516 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 19:08:19,516 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:08:19,523 INFO L101 BaseMinimizeStates]: Removed 8 edges and 4 locations by large block encoding [2024-09-21 19:08:19,523 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:08:19,523 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 19:08:19,524 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 19:08:19,524 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 19:08:19,524 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 19:08:19,527 INFO L520 InvariantChecker]: The annotation(s) from entry mainENTRY to loop head mainErr2ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-21 19:08:19,535 INFO L314 BlockEncoder]: Initial Icfg 9 locations, 9 edges [2024-09-21 19:08:19,535 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 19:08:19,535 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 19:08:19,536 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 19:08:19,536 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 19:08:19,536 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:08:19,539 INFO L101 BaseMinimizeStates]: Removed 16 edges and 7 locations by large block encoding [2024-09-21 19:08:19,540 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:08:19,540 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 19:08:19,540 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 19:08:19,540 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 19:08:19,541 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 19:08:19,542 INFO L520 InvariantChecker]: The annotation(s) from loop head L41-2 to loop head mainErr2ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-21 19:08:19,547 INFO L314 BlockEncoder]: Initial Icfg 11 locations, 12 edges [2024-09-21 19:08:19,551 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 19:08:19,551 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 19:08:19,551 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 19:08:19,551 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 19:08:19,551 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:08:19,556 INFO L101 BaseMinimizeStates]: Removed 28 edges and 9 locations by large block encoding [2024-09-21 19:08:19,556 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:08:19,556 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 19:08:19,556 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 19:08:19,556 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 19:08:19,557 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 19:08:19,560 INFO L520 InvariantChecker]: The annotation(s) from loop head L41-2 to error location mainErr9REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-21 19:08:19,566 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 4 edges [2024-09-21 19:08:19,566 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 19:08:19,566 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 19:08:19,566 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 19:08:19,566 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 19:08:19,566 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:08:19,567 INFO L101 BaseMinimizeStates]: Removed 6 edges and 3 locations by large block encoding [2024-09-21 19:08:19,567 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:08:19,567 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 19:08:19,567 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 19:08:19,568 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 19:08:19,568 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 19:08:19,569 INFO L520 InvariantChecker]: The annotation(s) from loop head L41-2 to error location mainErr4REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-21 19:08:19,576 INFO L314 BlockEncoder]: Initial Icfg 3 locations, 2 edges [2024-09-21 19:08:19,576 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 19:08:19,576 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 19:08:19,577 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 19:08:19,577 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 19:08:19,577 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:08:19,577 INFO L101 BaseMinimizeStates]: Removed 2 edges and 1 locations by large block encoding [2024-09-21 19:08:19,578 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:08:19,578 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 19:08:19,578 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 19:08:19,578 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 19:08:19,578 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 19:08:19,580 INFO L520 InvariantChecker]: The annotation(s) from entry reach_errorENTRY to error location reach_errorErr0ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-21 19:08:19,590 INFO L314 BlockEncoder]: Initial Icfg 10 locations, 11 edges [2024-09-21 19:08:19,590 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 19:08:19,591 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 19:08:19,591 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 19:08:19,591 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 19:08:19,591 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:08:19,593 INFO L101 BaseMinimizeStates]: Removed 24 edges and 8 locations by large block encoding [2024-09-21 19:08:19,593 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:08:19,593 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 19:08:19,593 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 19:08:19,594 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 19:08:19,594 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 19:08:19,596 INFO L520 InvariantChecker]: The annotation(s) from loop head L41-2 to error location mainErr8REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-21 19:08:19,605 INFO L314 BlockEncoder]: Initial Icfg 9 locations, 10 edges [2024-09-21 19:08:19,605 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 19:08:19,606 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 19:08:19,606 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 19:08:19,606 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 19:08:19,606 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:08:19,609 INFO L101 BaseMinimizeStates]: Removed 20 edges and 7 locations by large block encoding [2024-09-21 19:08:19,610 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:08:19,610 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 19:08:19,610 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 19:08:19,610 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 19:08:19,610 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 19:08:19,611 INFO L520 InvariantChecker]: The annotation(s) from loop head L41-2 to error location mainErr7REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-21 19:08:19,615 INFO L314 BlockEncoder]: Initial Icfg 3 locations, 2 edges [2024-09-21 19:08:19,616 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 19:08:19,616 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 19:08:19,616 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 19:08:19,616 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 19:08:19,616 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:08:19,617 INFO L101 BaseMinimizeStates]: Removed 2 edges and 1 locations by large block encoding [2024-09-21 19:08:19,617 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:08:19,617 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 19:08:19,617 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 19:08:19,617 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 19:08:19,617 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 19:08:19,618 INFO L520 InvariantChecker]: The annotation(s) from entry mainENTRY to error location mainErr0REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-21 19:08:19,622 INFO L314 BlockEncoder]: Initial Icfg 8 locations, 9 edges [2024-09-21 19:08:19,622 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 19:08:19,622 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 19:08:19,622 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 19:08:19,622 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 19:08:19,622 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:08:19,624 INFO L101 BaseMinimizeStates]: Removed 16 edges and 6 locations by large block encoding [2024-09-21 19:08:19,624 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:08:19,624 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 19:08:19,624 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 19:08:19,624 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 19:08:19,625 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 19:08:19,626 INFO L520 InvariantChecker]: The annotation(s) from loop head L41-2 to error location mainErr6REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-21 19:08:19,630 INFO L314 BlockEncoder]: Initial Icfg 3 locations, 2 edges [2024-09-21 19:08:19,630 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 19:08:19,630 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 19:08:19,631 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 19:08:19,631 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 19:08:19,631 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:08:19,631 INFO L101 BaseMinimizeStates]: Removed 2 edges and 1 locations by large block encoding [2024-09-21 19:08:19,631 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:08:19,631 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 19:08:19,631 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 19:08:19,631 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 19:08:19,632 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 19:08:19,632 INFO L520 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to error location ULTIMATE.startErr0REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-21 19:08:19,636 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 5 edges [2024-09-21 19:08:19,636 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 19:08:19,636 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 19:08:19,636 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 19:08:19,637 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 19:08:19,637 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:08:19,638 INFO L101 BaseMinimizeStates]: Removed 8 edges and 3 locations by large block encoding [2024-09-21 19:08:19,638 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:08:19,638 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 19:08:19,638 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 19:08:19,638 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 19:08:19,638 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 19:08:19,639 INFO L520 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-21 19:08:19,643 INFO L314 BlockEncoder]: Initial Icfg 13 locations, 14 edges [2024-09-21 19:08:19,643 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 19:08:19,643 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 19:08:19,643 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 19:08:19,643 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 19:08:19,644 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:08:19,646 INFO L101 BaseMinimizeStates]: Removed 36 edges and 11 locations by large block encoding [2024-09-21 19:08:19,647 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:08:19,647 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 19:08:19,647 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 19:08:19,647 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 19:08:19,647 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 19:08:19,648 INFO L520 InvariantChecker]: The annotation(s) from loop head L41-2 to error location mainErr10ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-21 19:08:19,652 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-21 19:08:19,652 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 19:08:19,652 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 19:08:19,652 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 19:08:19,652 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 19:08:19,652 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:08:19,653 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-21 19:08:19,653 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:08:19,653 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 19:08:19,653 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 19:08:19,654 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 19:08:19,654 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 19:08:19,661 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-21 19:08:19,662 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 19:08:19,662 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 19:08:19,662 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 19:08:19,662 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 19:08:19,662 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:08:19,663 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-21 19:08:19,663 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:08:19,663 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 19:08:19,663 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 19:08:19,663 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 19:08:19,663 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 19:08:19,664 INFO L520 InvariantChecker]: The annotation(s) from loop head L41-2 to error location mainErr3REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-21 19:08:19,670 INFO L58 RefereeStarter]: Annotation is not a valid proof of correctness. [2024-09-21 19:08:19,670 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@139acaa3 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CFG 21.09 07:08:19, skipping insertion in model container [2024-09-21 19:08:19,670 INFO L131 PluginConnector]: ------------------------ END Referee---------------------------- [2024-09-21 19:08:19,672 INFO L158 Benchmark]: Toolchain (without parser) took 837.34ms. Allocated memory is still 165.7MB. Free memory was 113.8MB in the beginning and 85.4MB in the end (delta: 28.4MB). Peak memory consumption was 25.9MB. Max. memory is 16.1GB. [2024-09-21 19:08:19,672 INFO L158 Benchmark]: CDTParser took 0.13ms. Allocated memory is still 96.5MB. Free memory was 59.2MB in the beginning and 59.2MB in the end (delta: 9.5kB). There was no memory consumed. Max. memory is 16.1GB. [2024-09-21 19:08:19,672 INFO L158 Benchmark]: Witness Parser took 0.10ms. Allocated memory is still 165.7MB. Free memory is still 115.8MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-21 19:08:19,673 INFO L158 Benchmark]: CACSL2BoogieTranslator took 231.53ms. Allocated memory is still 165.7MB. Free memory was 113.8MB in the beginning and 99.1MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-09-21 19:08:19,673 INFO L158 Benchmark]: Boogie Preprocessor took 39.29ms. Allocated memory is still 165.7MB. Free memory was 99.1MB in the beginning and 97.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-09-21 19:08:19,673 INFO L158 Benchmark]: RCFGBuilder took 290.08ms. Allocated memory is still 165.7MB. Free memory was 97.0MB in the beginning and 128.4MB in the end (delta: -31.4MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2024-09-21 19:08:19,674 INFO L158 Benchmark]: Referee took 272.04ms. Allocated memory is still 165.7MB. Free memory was 128.4MB in the beginning and 85.4MB in the end (delta: 43.0MB). Peak memory consumption was 44.0MB. Max. memory is 16.1GB. [2024-09-21 19:08:19,675 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 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 23. Annotation is valid for all loop-free paths from loop head at line 33 to loop head at line 33. Annotation is valid for all loop-free paths from loop head at line 33 to check that procedure precondition always holds at line 53. Annotation is valid for all loop-free paths from entry of procedure main to loop head at line 33. Annotation is valid for all loop-free paths from loop head at line 33 to check that procedure precondition always holds at line 54. 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 33 to check that procedure precondition always holds at line 35. Annotation is valid for all loop-free paths from loop head at line 33 to exit of procedure main. 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 loop head at line 33 to check that procedure precondition always holds at line 34. 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 loop head at line 33 to check that procedure precondition always holds at line 33. Annotation is valid for all loop-free paths from loop head at line 33 to check that procedure precondition always holds at line 52. Annotation is valid for all loop-free paths from entry of procedure main to check that procedure precondition always holds at line 23. Annotation is valid for all loop-free paths from loop head at line 33 to check that procedure precondition always holds at line 34. * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13ms. Allocated memory is still 96.5MB. Free memory was 59.2MB in the beginning and 59.2MB in the end (delta: 9.5kB). There was no memory consumed. Max. memory is 16.1GB. * Witness Parser took 0.10ms. Allocated memory is still 165.7MB. Free memory is still 115.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 231.53ms. Allocated memory is still 165.7MB. Free memory was 113.8MB in the beginning and 99.1MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Preprocessor took 39.29ms. Allocated memory is still 165.7MB. Free memory was 99.1MB in the beginning and 97.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 290.08ms. Allocated memory is still 165.7MB. Free memory was 97.0MB in the beginning and 128.4MB in the end (delta: -31.4MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Referee took 272.04ms. Allocated memory is still 165.7MB. Free memory was 128.4MB in the beginning and 85.4MB in the end (delta: 43.0MB). Peak memory consumption was 44.0MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be incorrect! [2024-09-21 19:08:19,700 INFO L552 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/referee/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request...