This is Ultimate 0.2.4-tmp.dk.referee-eval-27b4987-m [2024-09-21 12:47:08,300 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-21 12:47:08,369 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Default.epf [2024-09-21 12:47:08,376 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-21 12:47:08,377 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-21 12:47:08,408 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-21 12:47:08,409 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-21 12:47:08,409 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-21 12:47:08,410 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-21 12:47:08,411 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-21 12:47:08,412 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-21 12:47:08,413 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-21 12:47:08,413 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-21 12:47:08,414 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-21 12:47:08,415 INFO L153 SettingsManager]: * Use SBE=true [2024-09-21 12:47:08,416 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-21 12:47:08,416 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-21 12:47:08,416 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-21 12:47:08,417 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-09-21 12:47:08,417 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-21 12:47:08,417 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-21 12:47:08,418 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-21 12:47:08,418 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-21 12:47:08,418 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-21 12:47:08,419 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-21 12:47:08,419 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-21 12:47:08,419 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-21 12:47:08,420 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-21 12:47:08,420 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-21 12:47:08,420 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-21 12:47:08,420 INFO L153 SettingsManager]: * Future-live optimization=false [2024-09-21 12:47:08,421 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-21 12:47:08,421 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-21 12:47:08,421 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-21 12:47:08,421 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-21 12:47:08,422 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-21 12:47:08,422 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-21 12:47:08,422 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-09-21 12:47:08,422 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-09-21 12:47:08,422 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-21 12:47:08,423 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-21 12:47:08,423 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-21 12:47:08,423 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-21 12:47:08,423 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None [2024-09-21 12:47:08,651 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-21 12:47:08,676 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-21 12:47:08,678 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-21 12:47:08,679 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-21 12:47:08,680 INFO L274 PluginConnector]: CDTParser initialized [2024-09-21 12:47:08,681 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/loop-acceleration/simple_2-1.c [2024-09-21 12:47:10,077 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-21 12:47:10,239 INFO L384 CDTParser]: Found 1 translation units. [2024-09-21 12:47:10,240 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-acceleration/simple_2-1.c [2024-09-21 12:47:10,245 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/333e17ca0/5726876322f94b6e98abc265dec923b4/FLAGf52734b5b [2024-09-21 12:47:10,655 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/333e17ca0/5726876322f94b6e98abc265dec923b4 [2024-09-21 12:47:10,657 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-21 12:47:10,658 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-21 12:47:10,658 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/automizer-verification-files/SV-COMP24_unreach-call/simple_2-1.yml/witness-2.1.yml [2024-09-21 12:47:10,704 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-21 12:47:10,705 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-09-21 12:47:10,706 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-21 12:47:10,706 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-21 12:47:10,711 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-21 12:47:10,712 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 12:47:10" (1/2) ... [2024-09-21 12:47:10,713 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1d9afaaa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:47:10, skipping insertion in model container [2024-09-21 12:47:10,713 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 12:47:10" (1/2) ... [2024-09-21 12:47:10,716 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@2c620b33 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:47:10, skipping insertion in model container [2024-09-21 12:47:10,716 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 12:47:10" (2/2) ... [2024-09-21 12:47:10,717 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1d9afaaa and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 21.09 12:47:10, skipping insertion in model container [2024-09-21 12:47:10,717 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 12:47:10" (2/2) ... [2024-09-21 12:47:10,723 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-21 12:47:10,724 INFO L1541 ArrayList]: Function contract at [L6]: requires (cond != 0), ensures (cond != 0) [2024-09-21 12:47:10,736 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-21 12:47:10,912 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-acceleration/simple_2-1.c[372,385] [2024-09-21 12:47:10,925 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-21 12:47:10,933 INFO L200 MainTranslator]: Completed pre-run Start Parsing Global Start Parsing Global [2024-09-21 12:47:10,961 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-acceleration/simple_2-1.c[372,385] [2024-09-21 12:47:10,963 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-21 12:47:10,976 INFO L204 MainTranslator]: Completed translation [2024-09-21 12:47:10,977 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 21.09 12:47:10 WrapperNode [2024-09-21 12:47:10,977 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-21 12:47:10,978 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-21 12:47:10,978 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-21 12:47:10,978 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-21 12:47:10,991 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 12:47:10" (1/1) ... [2024-09-21 12:47:10,991 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 12:47:10" (1/1) ... [2024-09-21 12:47:10,997 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 12:47:10" (1/1) ... [2024-09-21 12:47:11,006 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 12:47:11,006 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 12:47:10" (1/1) ... [2024-09-21 12:47:11,006 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 12:47:10" (1/1) ... [2024-09-21 12:47:11,009 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 12:47:10" (1/1) ... [2024-09-21 12:47:11,012 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 12:47:10" (1/1) ... [2024-09-21 12:47:11,013 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 12:47:10" (1/1) ... [2024-09-21 12:47:11,018 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 12:47:10" (1/1) ... [2024-09-21 12:47:11,019 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-21 12:47:11,020 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-21 12:47:11,020 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-21 12:47:11,021 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-21 12:47:11,021 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 12:47:10" (1/1) ... [2024-09-21 12:47:11,030 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-21 12:47:11,039 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-09-21 12:47:11,060 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 12:47:11,068 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 12:47:11,112 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-09-21 12:47:11,112 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-21 12:47:11,112 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-09-21 12:47:11,113 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-09-21 12:47:11,113 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-09-21 12:47:11,114 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-09-21 12:47:11,114 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-09-21 12:47:11,115 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-09-21 12:47:11,115 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-21 12:47:11,115 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2024-09-21 12:47:11,115 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-09-21 12:47:11,115 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-09-21 12:47:11,115 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-09-21 12:47:11,116 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-09-21 12:47:11,116 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-21 12:47:11,116 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-09-21 12:47:11,116 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-09-21 12:47:11,116 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-09-21 12:47:11,183 INFO L242 CfgBuilder]: Building ICFG [2024-09-21 12:47:11,187 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-21 12:47:11,281 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-21 12:47:11,302 INFO L291 CfgBuilder]: Performing block encoding [2024-09-21 12:47:11,338 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-21 12:47:11,341 INFO L318 CfgBuilder]: Removed 1 assume(true) statements. [2024-09-21 12:47:11,341 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 12:47:11 BoogieIcfgContainer [2024-09-21 12:47:11,341 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-21 12:47:11,342 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-09-21 12:47:11,342 INFO L270 PluginConnector]: Initializing Referee... [2024-09-21 12:47:11,344 INFO L274 PluginConnector]: Referee initialized [2024-09-21 12:47:11,345 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 21.09 12:47:10" (1/4) ... [2024-09-21 12:47:11,346 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@73bdc49c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 21.09 12:47:11, skipping insertion in model container [2024-09-21 12:47:11,346 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 12:47:10" (2/4) ... [2024-09-21 12:47:11,346 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@73bdc49c and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 21.09 12:47:11, skipping insertion in model container [2024-09-21 12:47:11,346 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 12:47:10" (3/4) ... [2024-09-21 12:47:11,347 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@73bdc49c and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 21.09 12:47:11, skipping insertion in model container [2024-09-21 12:47:11,348 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 12:47:11" (4/4) ... [2024-09-21 12:47:11,349 INFO L79 RefereeObserver]: Analyzing ICFG simple_2-1.c [2024-09-21 12:47:11,354 INFO L113 InvariantChecker]: Found 1 loops. [2024-09-21 12:47:11,355 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L16-2 to ERROR_LOC mainErr0REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 3 edges. [2024-09-21 12:47:11,355 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 12:47:11,355 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 12:47:11,355 INFO L131 InvariantChecker]: Will check 1 loop-free subgraphs from loop head to error location, 2 loop-free subgraphs from procedure entry to error location [2024-09-21 12:47:11,397 INFO L314 BlockEncoder]: Initial Icfg 3 locations, 3 edges [2024-09-21 12:47:11,398 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 12:47:11,400 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 12:47:11,400 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 12:47:11,401 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 12:47:11,403 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:47:11,414 INFO L101 BaseMinimizeStates]: Removed 3 edges and 1 locations by large block encoding [2024-09-21 12:47:11,417 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:47:11,417 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 12:47:11,417 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 12:47:11,418 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 12:47:11,423 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 12:47:11,441 INFO L520 InvariantChecker]: The annotation(s) from loop head L16-2 to error location mainErr0REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-21 12:47:11,456 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 5 edges [2024-09-21 12:47:11,457 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 12:47:11,457 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 12:47:11,457 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 12:47:11,457 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 12:47:11,458 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:47:11,467 INFO L101 BaseMinimizeStates]: Removed 8 edges and 3 locations by large block encoding [2024-09-21 12:47:11,467 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:47:11,467 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 12:47:11,468 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 12:47:11,468 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 12:47:11,468 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 12:47:11,475 INFO L520 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-21 12:47:11,484 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-21 12:47:11,485 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 12:47:11,486 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 12:47:11,486 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 12:47:11,486 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 12:47:11,486 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:47:11,489 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-21 12:47:11,490 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:47:11,491 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 12:47:11,491 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 12:47:11,491 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 12:47:11,491 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 12:47:11,493 INFO L520 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION is inductive. [2024-09-21 12:47:11,496 INFO L58 RefereeStarter]: Annotation is a valid proof of correctness. [2024-09-21 12:47:11,497 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@73bdc49c and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CFG 21.09 12:47:11, skipping insertion in model container [2024-09-21 12:47:11,497 INFO L131 PluginConnector]: ------------------------ END Referee---------------------------- [2024-09-21 12:47:11,499 INFO L158 Benchmark]: Toolchain (without parser) took 793.70ms. Allocated memory was 142.6MB in the beginning and 192.9MB in the end (delta: 50.3MB). Free memory was 71.0MB in the beginning and 140.7MB in the end (delta: -69.7MB). There was no memory consumed. Max. memory is 16.1GB. [2024-09-21 12:47:11,500 INFO L158 Benchmark]: CDTParser took 0.18ms. Allocated memory is still 142.6MB. Free memory was 93.8MB in the beginning and 93.7MB in the end (delta: 142.8kB). There was no memory consumed. Max. memory is 16.1GB. [2024-09-21 12:47:11,500 INFO L158 Benchmark]: Witness Parser took 0.86ms. Allocated memory is still 142.6MB. Free memory is still 72.8MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-21 12:47:11,501 INFO L158 Benchmark]: CACSL2BoogieTranslator took 271.27ms. Allocated memory was 142.6MB in the beginning and 192.9MB in the end (delta: 50.3MB). Free memory was 70.7MB in the beginning and 162.7MB in the end (delta: -92.0MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-09-21 12:47:11,503 INFO L158 Benchmark]: Boogie Preprocessor took 41.49ms. Allocated memory is still 192.9MB. Free memory was 162.7MB in the beginning and 160.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-09-21 12:47:11,504 INFO L158 Benchmark]: RCFGBuilder took 321.33ms. Allocated memory is still 192.9MB. Free memory was 160.6MB in the beginning and 149.1MB in the end (delta: 11.5MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-09-21 12:47:11,505 INFO L158 Benchmark]: Referee took 155.50ms. Allocated memory is still 192.9MB. Free memory was 149.1MB in the beginning and 140.7MB in the end (delta: 8.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-09-21 12:47:11,508 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 __VERIFIER_assert to exit of procedure __VERIFIER_assert. 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 8. Annotation is valid for all loop-free paths from loop head at line 16 to check that procedure precondition always holds at line 16. * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18ms. Allocated memory is still 142.6MB. Free memory was 93.8MB in the beginning and 93.7MB in the end (delta: 142.8kB). There was no memory consumed. Max. memory is 16.1GB. * Witness Parser took 0.86ms. Allocated memory is still 142.6MB. Free memory is still 72.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 271.27ms. Allocated memory was 142.6MB in the beginning and 192.9MB in the end (delta: 50.3MB). Free memory was 70.7MB in the beginning and 162.7MB in the end (delta: -92.0MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Preprocessor took 41.49ms. Allocated memory is still 192.9MB. Free memory was 162.7MB in the beginning and 160.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 321.33ms. Allocated memory is still 192.9MB. Free memory was 160.6MB in the beginning and 149.1MB in the end (delta: 11.5MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Referee took 155.50ms. Allocated memory is still 192.9MB. Free memory was 149.1MB in the beginning and 140.7MB in the end (delta: 8.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2024-09-21 12:47:11,538 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...