This is Ultimate 0.2.4-tmp.dk.referee-eval-27b4987-m [2024-09-21 19:07:13,432 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-21 19:07:13,491 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Default.epf [2024-09-21 19:07:13,498 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-21 19:07:13,498 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-21 19:07:13,529 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-21 19:07:13,529 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-21 19:07:13,530 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-21 19:07:13,530 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-21 19:07:13,532 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-21 19:07:13,533 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-21 19:07:13,533 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-21 19:07:13,533 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-21 19:07:13,535 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-21 19:07:13,536 INFO L153 SettingsManager]: * Use SBE=true [2024-09-21 19:07:13,536 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-21 19:07:13,536 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-21 19:07:13,536 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-21 19:07:13,537 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-09-21 19:07:13,537 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-21 19:07:13,537 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-21 19:07:13,538 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-21 19:07:13,541 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-21 19:07:13,541 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-21 19:07:13,541 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-21 19:07:13,542 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-21 19:07:13,542 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-21 19:07:13,542 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-21 19:07:13,542 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-21 19:07:13,543 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-21 19:07:13,543 INFO L153 SettingsManager]: * Future-live optimization=false [2024-09-21 19:07:13,543 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-21 19:07:13,543 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-21 19:07:13,543 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-21 19:07:13,543 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-21 19:07:13,544 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-21 19:07:13,544 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-21 19:07:13,544 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-09-21 19:07:13,544 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-09-21 19:07:13,545 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-21 19:07:13,545 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-21 19:07:13,545 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-21 19:07:13,546 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-21 19:07:13,546 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None [2024-09-21 19:07:13,768 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-21 19:07:13,793 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-21 19:07:13,795 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-21 19:07:13,796 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-21 19:07:13,797 INFO L274 PluginConnector]: CDTParser initialized [2024-09-21 19:07:13,798 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/loop-lit/mine2017-ex4.7.i [2024-09-21 19:07:15,256 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-21 19:07:15,456 INFO L384 CDTParser]: Found 1 translation units. [2024-09-21 19:07:15,456 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-lit/mine2017-ex4.7.i [2024-09-21 19:07:15,466 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/0a2f4e56a/72647c053d064273a1c3d75080a2101b/FLAG2dca952b3 [2024-09-21 19:07:15,838 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/0a2f4e56a/72647c053d064273a1c3d75080a2101b [2024-09-21 19:07:15,841 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-21 19:07:15,841 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-21 19:07:15,843 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/cpachecker-verification-files/SV-COMP24_unreach-call/mine2017-ex4.7.yml/output/witness-2.1.yml [2024-09-21 19:07:15,903 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-21 19:07:15,905 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-09-21 19:07:15,906 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-21 19:07:15,906 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-21 19:07:15,910 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-21 19:07:15,911 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 07:07:15" (1/2) ... [2024-09-21 19:07:15,912 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2e66be74 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 07:07:15, skipping insertion in model container [2024-09-21 19:07:15,912 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 07:07:15" (1/2) ... [2024-09-21 19:07:15,913 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@6f97490a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 07:07:15, skipping insertion in model container [2024-09-21 19:07:15,914 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 07:07:15" (2/2) ... [2024-09-21 19:07:15,914 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2e66be74 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 21.09 07:07:15, skipping insertion in model container [2024-09-21 19:07:15,914 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 07:07:15" (2/2) ... [2024-09-21 19:07:15,924 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-21 19:07:15,925 INFO L1541 ArrayList]: Loop invariant at [L17-L25] x == (31) || x == (6) || x == (29) || x == (1) || x == (7) || x == (8) || x == (18) || x == (0) || x == (30) || x == (5) || x == (22) || x == (37) || x == (17) || x == (34) || x == (14) || x == (9) || x == (25) || x == (21) || x == (3) || x == (19) || x == (40) || x == (32) || x == (15) || x == (35) || x == (11) || x == (26) || x == (13) || x == (39) || x == (33) || x == (27) || x == (38) || x == (4) || x == (36) || x == (16) || x == (23) || x == (28) || x == (12) || x == (20) || x == (10) || x == (2) || x == (24) [2024-09-21 19:07:15,925 INFO L1541 ArrayList]: Function contract at [L15]: requires 1, ensures (!(1) || (1)) [2024-09-21 19:07:15,925 INFO L1541 ArrayList]: Function contract at [L13]: requires cond == (1), ensures (!(cond == (1)) || (1)) [2024-09-21 19:07:15,942 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-21 19:07:16,139 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/loop-lit/mine2017-ex4.7.i[812,825] [2024-09-21 19:07:16,152 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-21 19:07:16,160 INFO L200 MainTranslator]: Completed pre-run Start Parsing Global Start Parsing Global [2024-09-21 19:07:16,197 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/loop-lit/mine2017-ex4.7.i[812,825] Start Parsing Global Start Parsing Global Start Parsing Local [2024-09-21 19:07:16,213 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-21 19:07:16,228 INFO L204 MainTranslator]: Completed translation [2024-09-21 19:07:16,229 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 21.09 07:07:16 WrapperNode [2024-09-21 19:07:16,230 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-21 19:07:16,231 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-21 19:07:16,231 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-21 19:07:16,231 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-21 19:07:16,244 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 07:07:16" (1/1) ... [2024-09-21 19:07:16,244 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 07:07:16" (1/1) ... [2024-09-21 19:07:16,251 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 07:07:16" (1/1) ... [2024-09-21 19:07:16,263 WARN L109 MemorySlicer]: Omit memory slicing because it failed with the following exception: Unsupported: Procedure __VERIFIER_assert is not part of the Ultimate memory model but has specification other that is not a ModifiesSpecification [2024-09-21 19:07:16,263 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 07:07:16" (1/1) ... [2024-09-21 19:07:16,264 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 07:07:16" (1/1) ... [2024-09-21 19:07:16,268 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 07:07:16" (1/1) ... [2024-09-21 19:07:16,272 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 07:07:16" (1/1) ... [2024-09-21 19:07:16,277 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 07:07:16" (1/1) ... [2024-09-21 19:07:16,278 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 07:07:16" (1/1) ... [2024-09-21 19:07:16,280 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-21 19:07:16,285 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-21 19:07:16,285 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-21 19:07:16,285 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-21 19:07:16,286 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 07:07:16" (1/1) ... [2024-09-21 19:07:16,292 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-21 19:07:16,300 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-09-21 19:07:16,316 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 19:07:16,324 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 19:07:16,373 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-09-21 19:07:16,373 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-21 19:07:16,373 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-09-21 19:07:16,375 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-09-21 19:07:16,375 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-09-21 19:07:16,375 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-09-21 19:07:16,375 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_perror_fail [2024-09-21 19:07:16,375 INFO L130 BoogieDeclarations]: Found specification of procedure __assert [2024-09-21 19:07:16,376 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-09-21 19:07:16,376 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-09-21 19:07:16,376 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-21 19:07:16,376 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-09-21 19:07:16,376 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_bool [2024-09-21 19:07:16,376 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-09-21 19:07:16,376 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-09-21 19:07:16,376 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-09-21 19:07:16,376 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-21 19:07:16,376 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-09-21 19:07:16,376 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-09-21 19:07:16,376 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-09-21 19:07:16,448 INFO L242 CfgBuilder]: Building ICFG [2024-09-21 19:07:16,453 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-21 19:07:16,479 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-21 19:07:16,648 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-21 19:07:16,655 INFO L291 CfgBuilder]: Performing block encoding [2024-09-21 19:07:16,687 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-21 19:07:16,688 INFO L318 CfgBuilder]: Removed 2 assume(true) statements. [2024-09-21 19:07:16,688 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 07:07:16 BoogieIcfgContainer [2024-09-21 19:07:16,688 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-21 19:07:16,689 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-09-21 19:07:16,689 INFO L270 PluginConnector]: Initializing Referee... [2024-09-21 19:07:16,692 INFO L274 PluginConnector]: Referee initialized [2024-09-21 19:07:16,692 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 21.09 07:07:15" (1/4) ... [2024-09-21 19:07:16,693 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@6316342f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 21.09 07:07:16, skipping insertion in model container [2024-09-21 19:07:16,694 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 07:07:15" (2/4) ... [2024-09-21 19:07:16,694 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@6316342f and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 21.09 07:07:16, skipping insertion in model container [2024-09-21 19:07:16,695 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 07:07:16" (3/4) ... [2024-09-21 19:07:16,695 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@6316342f and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 21.09 07:07:16, skipping insertion in model container [2024-09-21 19:07:16,695 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 07:07:16" (4/4) ... [2024-09-21 19:07:16,697 INFO L79 RefereeObserver]: Analyzing ICFG mine2017-ex4.7.i [2024-09-21 19:07:16,701 INFO L113 InvariantChecker]: Found 1 loops. [2024-09-21 19:07:16,701 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L20-1 to ERROR_LOC mainErr2REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 5 edges. [2024-09-21 19:07:16,702 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L20-1 to ERROR_LOC mainErr1REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 4 edges. [2024-09-21 19:07:16,702 INFO L373 InvariantChecker]: Will check inductivity from ENTRY mainENTRY to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 2 edges. [2024-09-21 19:07:16,702 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L20-1 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 11 edges. [2024-09-21 19:07:16,702 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 19:07:16,702 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 19:07:16,703 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 19:07:16,703 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L20-1 to ERROR_LOC mainErr3ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 6 edges. [2024-09-21 19:07:16,703 INFO L131 InvariantChecker]: Will check 1 loop-free subgraphs from loop head to loop head, 1 loop-free subgraphs from procedure entry to loop head, 3 loop-free subgraphs from procedure entry to error location, 3 loop-free subgraphs from loop head to error location [2024-09-21 19:07:16,754 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 5 edges [2024-09-21 19:07:16,755 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 19:07:16,756 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 19:07:16,756 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 19:07:16,757 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 19:07:16,759 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:07:16,791 INFO L101 BaseMinimizeStates]: Removed 8 edges and 4 locations by large block encoding [2024-09-21 19:07:16,792 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:07:16,793 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 19:07:16,793 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 19:07:16,793 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 19:07:16,794 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 19:07:16,819 INFO L520 InvariantChecker]: The annotation(s) from loop head L20-1 to error location mainErr2REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-21 19:07:16,829 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 4 edges [2024-09-21 19:07:16,829 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 19:07:16,829 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 19:07:16,830 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 19:07:16,830 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 19:07:16,830 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:07:16,843 INFO L101 BaseMinimizeStates]: Removed 6 edges and 3 locations by large block encoding [2024-09-21 19:07:16,843 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:07:16,844 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 19:07:16,844 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 19:07:16,845 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 19:07:16,845 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 19:07:16,852 INFO L520 InvariantChecker]: The annotation(s) from loop head L20-1 to error location mainErr1REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-21 19:07:16,864 INFO L314 BlockEncoder]: Initial Icfg 3 locations, 2 edges [2024-09-21 19:07:16,864 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 19:07:16,864 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 19:07:16,865 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 19:07:16,865 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 19:07:16,865 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:07:16,867 INFO L101 BaseMinimizeStates]: Removed 2 edges and 1 locations by large block encoding [2024-09-21 19:07:16,867 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:07:16,867 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 19:07:16,867 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 19:07:16,868 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 19:07:16,868 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 19:07:16,872 INFO L520 InvariantChecker]: The annotation(s) from entry mainENTRY to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-21 19:07:16,884 INFO L314 BlockEncoder]: Initial Icfg 10 locations, 11 edges [2024-09-21 19:07:16,884 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 19:07:16,884 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 19:07:16,885 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 19:07:16,885 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 19:07:16,885 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:07:16,979 INFO L101 BaseMinimizeStates]: Removed 20 edges and 8 locations by large block encoding [2024-09-21 19:07:16,980 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:07:16,980 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 19:07:16,980 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 19:07:16,980 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 19:07:17,008 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 19:07:17,052 INFO L520 InvariantChecker]: The annotation(s) from loop head L20-1 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-21 19:07:17,067 INFO L314 BlockEncoder]: Initial Icfg 3 locations, 2 edges [2024-09-21 19:07:17,070 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 19:07:17,070 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 19:07:17,070 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 19:07:17,070 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 19:07:17,070 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:07:17,071 INFO L101 BaseMinimizeStates]: Removed 2 edges and 1 locations by large block encoding [2024-09-21 19:07:17,071 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:07:17,071 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 19:07:17,071 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 19:07:17,072 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 19:07:17,072 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 19:07:17,077 INFO L520 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to error location ULTIMATE.startErr0REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-21 19:07:17,089 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 5 edges [2024-09-21 19:07:17,089 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 19:07:17,090 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 19:07:17,090 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 19:07:17,092 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 19:07:17,092 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:07:17,095 INFO L101 BaseMinimizeStates]: Removed 8 edges and 3 locations by large block encoding [2024-09-21 19:07:17,096 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:07:17,096 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 19:07:17,097 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 19:07:17,097 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 19:07:17,098 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 19:07:17,102 INFO L520 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-21 19:07:17,114 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-21 19:07:17,115 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 19:07:17,116 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 19:07:17,116 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 19:07:17,117 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 19:07:17,117 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:07:17,118 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-21 19:07:17,120 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:07:17,120 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 19:07:17,121 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 19:07:17,121 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 19:07:17,121 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 19:07:17,123 INFO L520 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION is inductive. [2024-09-21 19:07:17,136 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 6 edges [2024-09-21 19:07:17,138 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 19:07:17,138 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 19:07:17,138 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 19:07:17,138 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 19:07:17,139 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:07:17,160 INFO L101 BaseMinimizeStates]: Removed 11 edges and 4 locations by large block encoding [2024-09-21 19:07:17,163 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:07:17,163 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 19:07:17,163 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 19:07:17,163 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 19:07:17,164 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 19:07:17,168 INFO L520 InvariantChecker]: The annotation(s) from loop head L20-1 to error location mainErr3ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-21 19:07:17,173 INFO L58 RefereeStarter]: Annotation is a valid proof of correctness. [2024-09-21 19:07:17,175 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@6316342f and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CFG 21.09 07:07:17, skipping insertion in model container [2024-09-21 19:07:17,176 INFO L131 PluginConnector]: ------------------------ END Referee---------------------------- [2024-09-21 19:07:17,178 INFO L158 Benchmark]: Toolchain (without parser) took 1272.39ms. Allocated memory is still 163.6MB. Free memory was 98.7MB in the beginning and 56.8MB in the end (delta: 41.9MB). Peak memory consumption was 39.5MB. Max. memory is 16.1GB. [2024-09-21 19:07:17,179 INFO L158 Benchmark]: CDTParser took 0.17ms. Allocated memory is still 100.7MB. Free memory is still 51.1MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-21 19:07:17,180 INFO L158 Benchmark]: Witness Parser took 0.22ms. Allocated memory is still 163.6MB. Free memory is still 100.8MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-21 19:07:17,180 INFO L158 Benchmark]: CACSL2BoogieTranslator took 324.12ms. Allocated memory is still 163.6MB. Free memory was 98.7MB in the beginning and 122.5MB in the end (delta: -23.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-09-21 19:07:17,181 INFO L158 Benchmark]: Boogie Preprocessor took 49.09ms. Allocated memory is still 163.6MB. Free memory was 122.5MB in the beginning and 120.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-09-21 19:07:17,182 INFO L158 Benchmark]: RCFGBuilder took 403.75ms. Allocated memory is still 163.6MB. Free memory was 120.4MB in the beginning and 107.1MB in the end (delta: 13.3MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-09-21 19:07:17,183 INFO L158 Benchmark]: Referee took 487.21ms. Allocated memory is still 163.6MB. Free memory was 107.1MB in the beginning and 56.8MB in the end (delta: 50.3MB). Peak memory consumption was 50.3MB. Max. memory is 16.1GB. [2024-09-21 19:07:17,186 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.referee: - AnnotationCheckResult: Annotation is a valid proof of correctness. Annotation is a valid proof of correctness. Annotation is valid for all loop-free paths from entry of procedure main to loop head at line 17. 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 loop head at line 17 to check that procedure precondition always holds at line 18. Annotation is valid for all loop-free paths from entry of procedure __VERIFIER_assert to check that a call to reach_error is unreachable at line 13. Annotation is valid for all loop-free paths from loop head at line 17 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 17 to check that procedure precondition always holds at line 18. Annotation is valid for all loop-free paths from loop head at line 17 to loop head at line 17. * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17ms. Allocated memory is still 100.7MB. Free memory is still 51.1MB. There was no memory consumed. Max. memory is 16.1GB. * Witness Parser took 0.22ms. Allocated memory is still 163.6MB. Free memory is still 100.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 324.12ms. Allocated memory is still 163.6MB. Free memory was 98.7MB in the beginning and 122.5MB in the end (delta: -23.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 49.09ms. Allocated memory is still 163.6MB. Free memory was 122.5MB in the beginning and 120.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 403.75ms. Allocated memory is still 163.6MB. Free memory was 120.4MB in the beginning and 107.1MB in the end (delta: 13.3MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Referee took 487.21ms. Allocated memory is still 163.6MB. Free memory was 107.1MB in the beginning and 56.8MB in the end (delta: 50.3MB). Peak memory consumption was 50.3MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2024-09-21 19:07:17,219 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...