This is Ultimate 0.2.4-tmp.dk.referee-eval-27b4987-m [2024-09-21 19:09:21,573 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-21 19:09:21,662 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Default.epf [2024-09-21 19:09:21,670 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-21 19:09:21,670 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-21 19:09:21,700 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-21 19:09:21,701 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-21 19:09:21,701 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-21 19:09:21,702 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-21 19:09:21,703 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-21 19:09:21,704 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-21 19:09:21,705 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-21 19:09:21,705 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-21 19:09:21,707 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-21 19:09:21,707 INFO L153 SettingsManager]: * Use SBE=true [2024-09-21 19:09:21,708 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-21 19:09:21,708 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-21 19:09:21,711 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-21 19:09:21,711 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-09-21 19:09:21,711 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-21 19:09:21,712 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-21 19:09:21,712 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-21 19:09:21,712 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-21 19:09:21,713 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-21 19:09:21,713 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-21 19:09:21,713 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-21 19:09:21,713 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-21 19:09:21,714 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-21 19:09:21,714 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-21 19:09:21,714 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-21 19:09:21,715 INFO L153 SettingsManager]: * Future-live optimization=false [2024-09-21 19:09:21,715 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-21 19:09:21,716 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-21 19:09:21,716 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-21 19:09:21,717 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-21 19:09:21,717 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-21 19:09:21,718 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-21 19:09:21,718 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-09-21 19:09:21,718 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-09-21 19:09:21,719 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-21 19:09:21,719 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-21 19:09:21,719 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-21 19:09:21,720 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-21 19:09:21,720 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None [2024-09-21 19:09:21,985 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-21 19:09:22,011 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-21 19:09:22,014 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-21 19:09:22,016 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-21 19:09:22,017 INFO L274 PluginConnector]: CDTParser initialized [2024-09-21 19:09:22,018 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/nla-digbench-scaling/egcd2-ll_valuebound20.c [2024-09-21 19:09:23,513 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-21 19:09:23,697 INFO L384 CDTParser]: Found 1 translation units. [2024-09-21 19:09:23,698 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench-scaling/egcd2-ll_valuebound20.c [2024-09-21 19:09:23,704 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/f9a5796a2/feeb38f4caf2401781e1f680d20f84e5/FLAG16d8a2b44 [2024-09-21 19:09:23,716 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/f9a5796a2/feeb38f4caf2401781e1f680d20f84e5 [2024-09-21 19:09:23,718 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-21 19:09:23,719 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-21 19:09:23,720 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/cpachecker-verification-files/SV-COMP24_unreach-call/egcd2-ll_valuebound20.yml/output/witness-2.1.yml [2024-09-21 19:09:23,791 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-21 19:09:23,792 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-09-21 19:09:23,793 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-21 19:09:23,793 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-21 19:09:23,805 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-21 19:09:23,805 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 07:09:23" (1/2) ... [2024-09-21 19:09:23,809 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@381d55d8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 07:09:23, skipping insertion in model container [2024-09-21 19:09:23,809 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 07:09:23" (1/2) ... [2024-09-21 19:09:23,811 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@47a69ccb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 07:09:23, skipping insertion in model container [2024-09-21 19:09:23,811 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 07:09:23" (2/2) ... [2024-09-21 19:09:23,811 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@381d55d8 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 21.09 07:09:23, skipping insertion in model container [2024-09-21 19:09:23,811 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 07:09:23" (2/2) ... [2024-09-21 19:09:23,836 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-21 19:09:23,843 INFO L1541 ArrayList]: Loop invariant at [L41-L68] (k == (0LL) && p == (0LL) && q == (1LL) && r == (1LL) && s == (0LL)) || (c == (0LL) && k == (0LL) && p == (1LL) && q == (0LL) && r == (0LL) && s == (1LL)) [2024-09-21 19:09:23,847 INFO L1541 ArrayList]: Loop invariant at [L47-L56] (k == (0LL) && p == (1LL) && q == (0LL) && r == (0LL) && s == (1LL)) || (k == (1LL) && p == (1LL) && q == (0LL) && r == (0LL) && s == (1LL)) [2024-09-21 19:09:23,847 INFO L1541 ArrayList]: Function contract at [L10]: requires 1, ensures (!(1) || (1)) [2024-09-21 19:09:23,847 INFO L1541 ArrayList]: Function contract at [L18]: requires 1, ensures (!(1) || (1)) [2024-09-21 19:09:23,848 INFO L1541 ArrayList]: Function contract at [L7]: requires 1, ensures (!(1) || (1)) [2024-09-21 19:09:23,893 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-21 19:09:24,030 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/egcd2-ll_valuebound20.c[490,503] [2024-09-21 19:09:24,052 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-21 19:09:24,060 INFO L200 MainTranslator]: Completed pre-run Start Parsing Global Start Parsing Global Start Parsing Global Start Parsing Global [2024-09-21 19:09:24,089 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/egcd2-ll_valuebound20.c[490,503] Start Parsing Global Start Parsing Global Start Parsing Local Start Parsing Local [2024-09-21 19:09:24,107 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-21 19:09:24,123 INFO L204 MainTranslator]: Completed translation [2024-09-21 19:09:24,123 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 21.09 07:09:24 WrapperNode [2024-09-21 19:09:24,124 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-21 19:09:24,124 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-21 19:09:24,125 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-21 19:09:24,125 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-21 19:09:24,139 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 07:09:24" (1/1) ... [2024-09-21 19:09:24,139 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 07:09:24" (1/1) ... [2024-09-21 19:09:24,147 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 07:09:24" (1/1) ... [2024-09-21 19:09:24,170 WARN L109 MemorySlicer]: Omit memory slicing because it failed with the following exception: Unsupported: Procedure assume_abort_if_not is not part of the Ultimate memory model but has specification other that is not a ModifiesSpecification [2024-09-21 19:09:24,170 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 07:09:24" (1/1) ... [2024-09-21 19:09:24,171 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 07:09:24" (1/1) ... [2024-09-21 19:09:24,178 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 07:09:24" (1/1) ... [2024-09-21 19:09:24,184 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 07:09:24" (1/1) ... [2024-09-21 19:09:24,191 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 07:09:24" (1/1) ... [2024-09-21 19:09:24,192 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 07:09:24" (1/1) ... [2024-09-21 19:09:24,198 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-21 19:09:24,199 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-21 19:09:24,199 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-21 19:09:24,199 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-21 19:09:24,200 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 07:09:24" (1/1) ... [2024-09-21 19:09:24,205 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-21 19:09:24,215 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-09-21 19:09:24,233 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 19:09:24,239 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 19:09:24,278 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-09-21 19:09:24,279 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-21 19:09:24,279 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-09-21 19:09:24,279 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-09-21 19:09:24,279 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-09-21 19:09:24,279 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-09-21 19:09:24,280 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-09-21 19:09:24,280 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-09-21 19:09:24,280 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-09-21 19:09:24,280 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-21 19:09:24,280 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2024-09-21 19:09:24,280 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-09-21 19:09:24,281 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-09-21 19:09:24,281 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-09-21 19:09:24,281 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-09-21 19:09:24,281 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-09-21 19:09:24,281 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-21 19:09:24,281 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-09-21 19:09:24,281 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-09-21 19:09:24,281 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-09-21 19:09:24,355 INFO L242 CfgBuilder]: Building ICFG [2024-09-21 19:09:24,358 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-21 19:09:24,393 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-21 19:09:24,421 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-21 19:09:24,561 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-21 19:09:24,579 INFO L291 CfgBuilder]: Performing block encoding [2024-09-21 19:09:24,615 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-21 19:09:24,616 INFO L318 CfgBuilder]: Removed 3 assume(true) statements. [2024-09-21 19:09:24,619 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 07:09:24 BoogieIcfgContainer [2024-09-21 19:09:24,619 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-21 19:09:24,620 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-09-21 19:09:24,620 INFO L270 PluginConnector]: Initializing Referee... [2024-09-21 19:09:24,621 INFO L274 PluginConnector]: Referee initialized [2024-09-21 19:09:24,621 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 21.09 07:09:23" (1/4) ... [2024-09-21 19:09:24,622 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@697f6dce and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 21.09 07:09:24, skipping insertion in model container [2024-09-21 19:09:24,622 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 07:09:23" (2/4) ... [2024-09-21 19:09:24,622 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@697f6dce and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 21.09 07:09:24, skipping insertion in model container [2024-09-21 19:09:24,623 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 07:09:24" (3/4) ... [2024-09-21 19:09:24,623 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@697f6dce and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 21.09 07:09:24, skipping insertion in model container [2024-09-21 19:09:24,623 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 07:09:24" (4/4) ... [2024-09-21 19:09:24,624 INFO L79 RefereeObserver]: Analyzing ICFG egcd2-ll_valuebound20.c [2024-09-21 19:09:24,630 INFO L113 InvariantChecker]: Found 2 loops. [2024-09-21 19:09:24,632 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 19:09:24,632 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L41-2 to ERROR_LOC mainErr14ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 9 edges. [2024-09-21 19:09:24,632 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L41-2 to ERROR_LOC mainErr13REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 7 edges. [2024-09-21 19:09:24,632 INFO L373 InvariantChecker]: Will check inductivity from ENTRY mainENTRY to ERROR_LOC mainErr5REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 9 edges. [2024-09-21 19:09:24,632 INFO L373 InvariantChecker]: Will check inductivity from ENTRY mainENTRY to ERROR_LOC mainErr1REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 4 edges. [2024-09-21 19:09:24,633 INFO L373 InvariantChecker]: Will check inductivity from ENTRY mainENTRY to LOOP_INVARIANT_ERROR_LOC mainErr6ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 10 edges. [2024-09-21 19:09:24,633 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L47-3 to LOOP_INVARIANT_ERROR_LOC mainErr6ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 11 edges. [2024-09-21 19:09:24,633 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L41-2 to LOOP_INVARIANT_ERROR_LOC mainErr7ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 4 edges. [2024-09-21 19:09:24,633 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L47-3 to LOOP_INVARIANT_ERROR_LOC mainErr7ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 8 edges. [2024-09-21 19:09:24,634 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L47-3 to ERROR_LOC mainErr9REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 4 edges. [2024-09-21 19:09:24,634 INFO L373 InvariantChecker]: Will check inductivity from ENTRY mainENTRY to ERROR_LOC mainErr4REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 8 edges. [2024-09-21 19:09:24,634 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L47-3 to ERROR_LOC mainErr8REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 3 edges. [2024-09-21 19:09:24,634 INFO L373 InvariantChecker]: Will check inductivity from ENTRY mainENTRY to ERROR_LOC mainErr2REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 5 edges. [2024-09-21 19:09:24,634 INFO L373 InvariantChecker]: Will check inductivity from ENTRY mainENTRY to ERROR_LOC mainErr0REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 2 edges. [2024-09-21 19:09:24,635 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L47-3 to ERROR_LOC mainErr10REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 5 edges. [2024-09-21 19:09:24,635 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 19:09:24,635 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L41-2 to ERROR_LOC mainErr12REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 6 edges. [2024-09-21 19:09:24,635 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 19:09:24,635 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L47-3 to ERROR_LOC mainErr11REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 6 edges. [2024-09-21 19:09:24,635 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 19:09:24,635 INFO L373 InvariantChecker]: Will check inductivity from ENTRY mainENTRY to ERROR_LOC mainErr3REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 6 edges. [2024-09-21 19:09:24,636 INFO L131 InvariantChecker]: Will check 7 loop-free subgraphs from loop head to error location, 1 loop-free subgraphs from procedure entry to loop head, 3 loop-free subgraphs from loop head to loop head, 10 loop-free subgraphs from procedure entry to error location [2024-09-21 19:09:24,690 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 4 edges [2024-09-21 19:09:24,691 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 19:09:24,692 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 19:09:24,693 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 19:09:24,694 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 19:09:24,696 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:09:24,713 INFO L101 BaseMinimizeStates]: Removed 6 edges and 2 locations by large block encoding [2024-09-21 19:09:24,715 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:09:24,715 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 19:09:24,715 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 19:09:24,716 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 19:09:24,719 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 19:09:24,735 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 19:09:24,772 INFO L314 BlockEncoder]: Initial Icfg 8 locations, 9 edges [2024-09-21 19:09:24,772 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 19:09:24,772 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 19:09:24,772 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 19:09:24,772 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 19:09:24,773 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:09:24,804 INFO L101 BaseMinimizeStates]: Removed 22 edges and 6 locations by large block encoding [2024-09-21 19:09:24,804 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:09:24,804 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 19:09:24,804 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 19:09:24,804 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 19:09:24,805 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 19:09:24,813 INFO L520 InvariantChecker]: The annotation(s) from loop head L41-2 to error location mainErr14ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-21 19:09:24,845 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 7 edges [2024-09-21 19:09:24,846 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 19:09:24,846 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 19:09:24,846 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 19:09:24,846 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 19:09:24,846 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:09:24,858 INFO L101 BaseMinimizeStates]: Removed 14 edges and 4 locations by large block encoding [2024-09-21 19:09:24,858 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:09:24,860 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 19:09:24,860 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 19:09:24,860 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 19:09:24,861 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 19:09:24,864 INFO L520 InvariantChecker]: The annotation(s) from loop head L41-2 to error location mainErr13REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-21 19:09:24,883 INFO L314 BlockEncoder]: Initial Icfg 10 locations, 9 edges [2024-09-21 19:09:24,884 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 19:09:24,884 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 19:09:24,884 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 19:09:24,884 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 19:09:24,884 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:09:24,896 INFO L101 BaseMinimizeStates]: Removed 16 edges and 8 locations by large block encoding [2024-09-21 19:09:24,897 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:09:24,897 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 19:09:24,897 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 19:09:24,897 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 19:09:24,897 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 19:09:24,899 INFO L520 InvariantChecker]: The annotation(s) from entry mainENTRY to error location mainErr5REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-21 19:09:24,917 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 4 edges [2024-09-21 19:09:24,919 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 19:09:24,920 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 19:09:24,920 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 19:09:24,920 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 19:09:24,920 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:09:24,923 INFO L101 BaseMinimizeStates]: Removed 6 edges and 3 locations by large block encoding [2024-09-21 19:09:24,925 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:09:24,925 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 19:09:24,926 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 19:09:24,926 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 19:09:24,926 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 19:09:24,932 INFO L520 InvariantChecker]: The annotation(s) from entry mainENTRY to error location mainErr1REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-21 19:09:24,947 INFO L314 BlockEncoder]: Initial Icfg 11 locations, 10 edges [2024-09-21 19:09:24,948 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 19:09:24,949 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 19:09:24,949 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 19:09:24,950 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 19:09:24,950 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:09:24,971 INFO L101 BaseMinimizeStates]: Removed 18 edges and 9 locations by large block encoding [2024-09-21 19:09:24,971 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:09:24,971 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 19:09:24,972 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 19:09:24,972 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 19:09:24,972 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 19:09:24,978 INFO L520 InvariantChecker]: The annotation(s) from entry mainENTRY to loop head mainErr6ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-21 19:09:24,996 INFO L314 BlockEncoder]: Initial Icfg 10 locations, 11 edges [2024-09-21 19:09:24,997 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 19:09:24,997 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 19:09:24,997 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 19:09:24,998 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 19:09:25,000 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:09:25,024 INFO L101 BaseMinimizeStates]: Removed 22 edges and 8 locations by large block encoding [2024-09-21 19:09:25,025 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:09:25,027 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 19:09:25,028 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 19:09:25,028 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 19:09:25,031 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 19:09:25,061 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 4 edges [2024-09-21 19:09:25,062 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 19:09:25,062 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 19:09:25,063 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 19:09:25,064 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 19:09:25,064 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:09:25,070 INFO L101 BaseMinimizeStates]: Removed 6 edges and 3 locations by large block encoding [2024-09-21 19:09:25,070 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:09:25,071 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 19:09:25,071 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 19:09:25,071 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 19:09:25,071 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 19:09:25,092 INFO L314 BlockEncoder]: Initial Icfg 9 locations, 8 edges [2024-09-21 19:09:25,093 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 19:09:25,093 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 19:09:25,093 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 19:09:25,093 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 19:09:25,094 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:09:25,103 INFO L101 BaseMinimizeStates]: Removed 14 edges and 7 locations by large block encoding [2024-09-21 19:09:25,104 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:09:25,105 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 19:09:25,105 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 19:09:25,105 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 19:09:25,105 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 19:09:25,125 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 4 edges [2024-09-21 19:09:25,125 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 19:09:25,125 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 19:09:25,125 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 19:09:25,125 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 19:09:25,126 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:09:25,128 INFO L101 BaseMinimizeStates]: Removed 6 edges and 3 locations by large block encoding [2024-09-21 19:09:25,129 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:09:25,129 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 19:09:25,130 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 19:09:25,130 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 19:09:25,130 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 19:09:25,131 INFO L520 InvariantChecker]: The annotation(s) from loop head L47-3 to error location mainErr9REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-21 19:09:25,158 INFO L314 BlockEncoder]: Initial Icfg 9 locations, 8 edges [2024-09-21 19:09:25,158 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 19:09:25,158 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 19:09:25,158 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 19:09:25,158 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 19:09:25,158 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:09:25,165 INFO L101 BaseMinimizeStates]: Removed 14 edges and 7 locations by large block encoding [2024-09-21 19:09:25,166 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:09:25,166 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 19:09:25,166 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 19:09:25,166 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 19:09:25,166 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 19:09:25,168 INFO L520 InvariantChecker]: The annotation(s) from entry mainENTRY to error location mainErr4REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-21 19:09:25,178 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-21 19:09:25,179 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 19:09:25,179 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 19:09:25,179 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 19:09:25,179 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 19:09:25,179 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:09:25,181 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-21 19:09:25,181 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:09:25,181 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 19:09:25,182 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 19:09:25,182 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 19:09:25,182 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 19:09:25,184 INFO L520 InvariantChecker]: The annotation(s) from loop head L47-3 to error location mainErr8REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-21 19:09:25,195 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 5 edges [2024-09-21 19:09:25,196 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 19:09:25,196 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 19:09:25,197 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 19:09:25,197 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 19:09:25,197 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:09:25,201 INFO L101 BaseMinimizeStates]: Removed 8 edges and 4 locations by large block encoding [2024-09-21 19:09:25,201 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:09:25,201 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 19:09:25,201 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 19:09:25,201 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 19:09:25,201 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 19:09:25,204 INFO L520 InvariantChecker]: The annotation(s) from entry mainENTRY to error location mainErr2REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-21 19:09:25,212 INFO L314 BlockEncoder]: Initial Icfg 3 locations, 2 edges [2024-09-21 19:09:25,213 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 19:09:25,213 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 19:09:25,213 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 19:09:25,213 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 19:09:25,213 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:09:25,214 INFO L101 BaseMinimizeStates]: Removed 2 edges and 1 locations by large block encoding [2024-09-21 19:09:25,214 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:09:25,214 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 19:09:25,215 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 19:09:25,215 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 19:09:25,215 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 19:09:25,217 INFO L520 InvariantChecker]: The annotation(s) from entry mainENTRY to error location mainErr0REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-21 19:09:25,227 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 5 edges [2024-09-21 19:09:25,227 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 19:09:25,227 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 19:09:25,227 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 19:09:25,227 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 19:09:25,227 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:09:25,230 INFO L101 BaseMinimizeStates]: Removed 8 edges and 4 locations by large block encoding [2024-09-21 19:09:25,231 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:09:25,231 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 19:09:25,231 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 19:09:25,231 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 19:09:25,231 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 19:09:25,232 INFO L520 InvariantChecker]: The annotation(s) from loop head L47-3 to error location mainErr10REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-21 19:09:25,240 INFO L314 BlockEncoder]: Initial Icfg 3 locations, 2 edges [2024-09-21 19:09:25,241 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 19:09:25,241 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 19:09:25,241 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 19:09:25,242 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 19:09:25,242 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:09:25,242 INFO L101 BaseMinimizeStates]: Removed 2 edges and 1 locations by large block encoding [2024-09-21 19:09:25,242 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:09:25,242 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 19:09:25,243 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 19:09:25,243 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 19:09:25,243 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 19:09:25,245 INFO L520 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to error location ULTIMATE.startErr0REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-21 19:09:25,255 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 6 edges [2024-09-21 19:09:25,255 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 19:09:25,255 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 19:09:25,255 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 19:09:25,256 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 19:09:25,257 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:09:25,261 INFO L101 BaseMinimizeStates]: Removed 10 edges and 3 locations by large block encoding [2024-09-21 19:09:25,261 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:09:25,262 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 19:09:25,262 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 19:09:25,262 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 19:09:25,262 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 19:09:25,264 INFO L520 InvariantChecker]: The annotation(s) from loop head L41-2 to error location mainErr12REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-21 19:09:25,271 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 5 edges [2024-09-21 19:09:25,271 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 19:09:25,272 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 19:09:25,272 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 19:09:25,272 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 19:09:25,272 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:09:25,273 INFO L101 BaseMinimizeStates]: Removed 8 edges and 3 locations by large block encoding [2024-09-21 19:09:25,273 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:09:25,274 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 19:09:25,274 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 19:09:25,274 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 19:09:25,274 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 19:09:25,275 INFO L520 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-21 19:09:25,282 INFO L314 BlockEncoder]: Initial Icfg 7 locations, 6 edges [2024-09-21 19:09:25,282 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 19:09:25,282 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 19:09:25,282 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 19:09:25,282 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 19:09:25,282 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:09:25,285 INFO L101 BaseMinimizeStates]: Removed 10 edges and 5 locations by large block encoding [2024-09-21 19:09:25,285 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:09:25,285 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 19:09:25,285 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 19:09:25,285 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 19:09:25,286 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 19:09:25,287 INFO L520 InvariantChecker]: The annotation(s) from loop head L47-3 to error location mainErr11REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-21 19:09:25,293 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-21 19:09:25,293 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 19:09:25,293 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 19:09:25,293 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 19:09:25,294 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 19:09:25,294 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:09:25,295 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-21 19:09:25,295 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:09:25,295 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 19:09:25,295 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 19:09:25,295 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 19:09:25,295 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 19:09:25,303 INFO L314 BlockEncoder]: Initial Icfg 7 locations, 6 edges [2024-09-21 19:09:25,304 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 19:09:25,304 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 19:09:25,304 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 19:09:25,304 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 19:09:25,304 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:09:25,307 INFO L101 BaseMinimizeStates]: Removed 10 edges and 5 locations by large block encoding [2024-09-21 19:09:25,307 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:09:25,307 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 19:09:25,307 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 19:09:25,308 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 19:09:25,308 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 19:09:25,309 INFO L520 InvariantChecker]: The annotation(s) from entry mainENTRY to error location mainErr3REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-21 19:09:25,323 INFO L58 RefereeStarter]: Annotation is not a valid proof of correctness. [2024-09-21 19:09:25,327 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@697f6dce and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CFG 21.09 07:09:25, skipping insertion in model container [2024-09-21 19:09:25,328 INFO L131 PluginConnector]: ------------------------ END Referee---------------------------- [2024-09-21 19:09:25,329 INFO L158 Benchmark]: Toolchain (without parser) took 1536.93ms. Allocated memory is still 153.1MB. Free memory was 127.6MB in the beginning and 91.9MB in the end (delta: 35.7MB). Peak memory consumption was 84.9MB. Max. memory is 16.1GB. [2024-09-21 19:09:25,330 INFO L158 Benchmark]: CDTParser took 0.20ms. Allocated memory is still 109.1MB. Free memory is still 71.0MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-21 19:09:25,330 INFO L158 Benchmark]: Witness Parser took 0.10ms. Allocated memory is still 153.1MB. Free memory was 86.4MB in the beginning and 86.2MB in the end (delta: 122.7kB). There was no memory consumed. Max. memory is 16.1GB. [2024-09-21 19:09:25,330 INFO L158 Benchmark]: CACSL2BoogieTranslator took 331.16ms. Allocated memory is still 153.1MB. Free memory was 127.6MB in the beginning and 112.9MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-09-21 19:09:25,331 INFO L158 Benchmark]: Boogie Preprocessor took 73.42ms. Allocated memory is still 153.1MB. Free memory was 112.9MB in the beginning and 110.3MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-09-21 19:09:25,332 INFO L158 Benchmark]: RCFGBuilder took 420.31ms. Allocated memory is still 153.1MB. Free memory was 109.7MB in the beginning and 95.1MB in the end (delta: 14.6MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-09-21 19:09:25,333 INFO L158 Benchmark]: Referee took 707.38ms. Allocated memory is still 153.1MB. Free memory was 94.6MB in the beginning and 91.9MB in the end (delta: 2.7MB). Peak memory consumption was 55.5MB. Max. memory is 16.1GB. [2024-09-21 19:09:25,336 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 loop head at line 41 to loop head at line 47. One counterexample starts in a=2, b=3, c=0, k=0, p=0, q=1, r=1, s=0 and ends in a=2, b=3, c=2, k=0, p=0, q=1, r=1, s=0. Annotation is not valid for all loop-free paths from loop head at line 47 to loop head at line 41. One counterexample starts in b=0, c=-1, k=1, p=1, q=0, r=0, s=1 and ends in a=0, b=-1, c=-1, k=1, p=0, q=1, r=1, s=-1, temp=0. Annotation is not valid for all loop-free paths from loop head at line 47 to loop head at line 47. One counterexample starts in b=0, c=0, k=1, p=1, q=0, r=0, s=1 and ends in b=0, c=0, k=2, p=1, q=0, r=0, s=1. 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 47 to check that procedure precondition always holds at line 48. Annotation is valid for all loop-free paths from loop head at line 47 to check that procedure precondition always holds at line 49. Annotation is valid for all loop-free paths from loop head at line 47 to check that procedure precondition always holds at line 48. Annotation is valid for all loop-free paths from loop head at line 47 to check that procedure precondition always holds at line 50. 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 22. Annotation is valid for all loop-free paths from entry of procedure main to check that procedure precondition always holds at line 38. 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 41 to check that procedure precondition always holds at line 71. 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 41 to exit of procedure main. Annotation is valid for all loop-free paths from entry of procedure main to check that procedure precondition always holds at line 24. Annotation is valid for all loop-free paths from entry of procedure main to loop head at line 41. Annotation is valid for all loop-free paths from loop head at line 41 to check that procedure precondition always holds at line 41. 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 25. Annotation is valid for all loop-free paths from entry of procedure main to check that procedure precondition always holds at line 38. * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20ms. Allocated memory is still 109.1MB. Free memory is still 71.0MB. There was no memory consumed. Max. memory is 16.1GB. * Witness Parser took 0.10ms. Allocated memory is still 153.1MB. Free memory was 86.4MB in the beginning and 86.2MB in the end (delta: 122.7kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 331.16ms. Allocated memory is still 153.1MB. Free memory was 127.6MB in the beginning and 112.9MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Preprocessor took 73.42ms. Allocated memory is still 153.1MB. Free memory was 112.9MB in the beginning and 110.3MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 420.31ms. Allocated memory is still 153.1MB. Free memory was 109.7MB in the beginning and 95.1MB in the end (delta: 14.6MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Referee took 707.38ms. Allocated memory is still 153.1MB. Free memory was 94.6MB in the beginning and 91.9MB in the end (delta: 2.7MB). Peak memory consumption was 55.5MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be incorrect! [2024-09-21 19:09:25,384 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...