This is Ultimate 0.2.4-dev-1d5fa63-m [2024-09-13 10:09:01,569 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-13 10:09:01,620 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Default.epf [2024-09-13 10:09:01,624 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-13 10:09:01,624 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-13 10:09:01,650 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-13 10:09:01,651 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-13 10:09:01,651 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-13 10:09:01,652 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-13 10:09:01,652 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-13 10:09:01,653 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-13 10:09:01,653 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-13 10:09:01,654 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-13 10:09:01,654 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-13 10:09:01,654 INFO L153 SettingsManager]: * Use SBE=true [2024-09-13 10:09:01,655 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-13 10:09:01,655 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-13 10:09:01,658 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-13 10:09:01,659 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-09-13 10:09:01,659 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-13 10:09:01,659 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-13 10:09:01,660 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-13 10:09:01,660 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-13 10:09:01,660 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-13 10:09:01,660 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-13 10:09:01,661 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-13 10:09:01,661 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-13 10:09:01,661 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-13 10:09:01,661 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-13 10:09:01,662 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-13 10:09:01,662 INFO L153 SettingsManager]: * Future-live optimization=false [2024-09-13 10:09:01,662 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-13 10:09:01,662 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-13 10:09:01,662 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-13 10:09:01,663 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-13 10:09:01,663 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-13 10:09:01,663 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-13 10:09:01,664 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-09-13 10:09:01,664 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-09-13 10:09:01,665 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-13 10:09:01,665 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-13 10:09:01,665 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-13 10:09:01,665 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-13 10:09:01,666 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None [2024-09-13 10:09:01,942 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-13 10:09:01,968 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-13 10:09:01,971 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-13 10:09:01,972 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-13 10:09:01,972 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-13 10:09:01,974 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/automizer-verification-files/SV-COMP24_unreach-call/divbin_unwindbound1.yml/witness-2.1.yml [2024-09-13 10:09:02,037 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-13 10:09:02,038 INFO L274 PluginConnector]: CDTParser initialized [2024-09-13 10:09:02,039 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/nla-digbench-scaling/divbin_unwindbound1.i [2024-09-13 10:09:03,474 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-13 10:09:03,646 INFO L384 CDTParser]: Found 1 translation units. [2024-09-13 10:09:03,647 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench-scaling/divbin_unwindbound1.i [2024-09-13 10:09:03,654 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/e28734986/6bf4a8552e0043439b9abf135067ecc8/FLAGdea2a9b8f [2024-09-13 10:09:04,042 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/e28734986/6bf4a8552e0043439b9abf135067ecc8 [2024-09-13 10:09:04,043 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-13 10:09:04,044 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-09-13 10:09:04,045 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-13 10:09:04,045 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-13 10:09:04,051 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-13 10:09:04,052 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 13.09 10:09:02" (1/2) ... [2024-09-13 10:09:04,053 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@512afb6a and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 13.09 10:09:04, skipping insertion in model container [2024-09-13 10:09:04,053 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 13.09 10:09:02" (1/2) ... [2024-09-13 10:09:04,055 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@3afb98fa and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 13.09 10:09:04, skipping insertion in model container [2024-09-13 10:09:04,057 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.09 10:09:04" (2/2) ... [2024-09-13 10:09:04,058 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@512afb6a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 10:09:04, skipping insertion in model container [2024-09-13 10:09:04,058 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.09 10:09:04" (2/2) ... [2024-09-13 10:09:04,071 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-13 10:09:04,073 INFO L1541 ArrayList]: Loop invariant at [L36-L39] ((\old(counter) == 0) && ((((A == r) && (counter == 0)) && (q == 0)) || (((A == r) && (1 <= counter)) && (q == 0)))) [2024-09-13 10:09:04,073 INFO L1541 ArrayList]: Loop invariant at [L40-L49] ((((A == r) && (1 <= counter)) && (\old(counter) == 0)) && (q == 0)) [2024-09-13 10:09:04,074 INFO L1541 ArrayList]: Function contract at [L26]: requires (counter == 0), ensures (\old(counter) == 0) [2024-09-13 10:09:04,074 INFO L1541 ArrayList]: Function contract at [L15]: requires (counter == 0), ensures (counter == 0) [2024-09-13 10:09:04,074 INFO L1541 ArrayList]: Function contract at [L18]: requires (1 <= \old(cond)), ensures (1 <= \old(cond)) [2024-09-13 10:09:04,094 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-13 10:09:04,237 WARN L247 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/divbin_unwindbound1.i[950,963] [2024-09-13 10:09:04,258 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-13 10:09:04,268 INFO L200 MainTranslator]: Completed pre-run Start Parsing Global Start Parsing Global Start Parsing Global Start Parsing Global [2024-09-13 10:09:04,301 WARN L247 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/divbin_unwindbound1.i[950,963] Start Parsing Global Start Parsing Global Start Parsing Local Start Parsing Local [2024-09-13 10:09:04,310 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-13 10:09:04,326 INFO L204 MainTranslator]: Completed translation [2024-09-13 10:09:04,327 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 10:09:04 WrapperNode [2024-09-13 10:09:04,327 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-13 10:09:04,328 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-13 10:09:04,328 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-13 10:09:04,328 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-13 10:09:04,337 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 10:09:04" (1/1) ... [2024-09-13 10:09:04,338 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 10:09:04" (1/1) ... [2024-09-13 10:09:04,344 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 10:09:04" (1/1) ... [2024-09-13 10:09:04,352 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 [2024-09-13 10:09:04,352 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 10:09:04" (1/1) ... [2024-09-13 10:09:04,353 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 10:09:04" (1/1) ... [2024-09-13 10:09:04,360 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 10:09:04" (1/1) ... [2024-09-13 10:09:04,363 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 10:09:04" (1/1) ... [2024-09-13 10:09:04,364 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 10:09:04" (1/1) ... [2024-09-13 10:09:04,365 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 10:09:04" (1/1) ... [2024-09-13 10:09:04,367 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-13 10:09:04,368 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-13 10:09:04,368 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-13 10:09:04,368 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-13 10:09:04,369 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 10:09:04" (1/1) ... [2024-09-13 10:09:04,374 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-13 10:09:04,379 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-09-13 10:09:04,391 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) [2024-09-13 10:09:04,393 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 [2024-09-13 10:09:04,430 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-09-13 10:09:04,430 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-13 10:09:04,430 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-09-13 10:09:04,430 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-09-13 10:09:04,430 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-09-13 10:09:04,431 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-09-13 10:09:04,431 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-09-13 10:09:04,431 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-09-13 10:09:04,431 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_perror_fail [2024-09-13 10:09:04,432 INFO L130 BoogieDeclarations]: Found specification of procedure __assert [2024-09-13 10:09:04,432 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-09-13 10:09:04,432 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-13 10:09:04,432 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2024-09-13 10:09:04,433 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-09-13 10:09:04,433 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-09-13 10:09:04,433 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-09-13 10:09:04,433 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-09-13 10:09:04,433 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-09-13 10:09:04,434 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-13 10:09:04,434 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-09-13 10:09:04,434 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-09-13 10:09:04,435 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-09-13 10:09:04,515 INFO L242 CfgBuilder]: Building ICFG [2024-09-13 10:09:04,521 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-13 10:09:04,559 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-13 10:09:04,580 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-13 10:09:04,710 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-13 10:09:04,725 INFO L291 CfgBuilder]: Performing block encoding [2024-09-13 10:09:04,744 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-13 10:09:04,745 INFO L318 CfgBuilder]: Removed 2 assume(true) statements. [2024-09-13 10:09:04,745 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.09 10:09:04 BoogieIcfgContainer [2024-09-13 10:09:04,745 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-13 10:09:04,748 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-09-13 10:09:04,748 INFO L270 PluginConnector]: Initializing Referee... [2024-09-13 10:09:04,749 INFO L274 PluginConnector]: Referee initialized [2024-09-13 10:09:04,749 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 13.09 10:09:02" (1/4) ... [2024-09-13 10:09:04,750 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@26f9f2a3 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 13.09 10:09:04, skipping insertion in model container [2024-09-13 10:09:04,750 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 13.09 10:09:04" (2/4) ... [2024-09-13 10:09:04,750 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@26f9f2a3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 13.09 10:09:04, skipping insertion in model container [2024-09-13 10:09:04,750 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 10:09:04" (3/4) ... [2024-09-13 10:09:04,750 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@26f9f2a3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 13.09 10:09:04, skipping insertion in model container [2024-09-13 10:09:04,751 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.09 10:09:04" (4/4) ... [2024-09-13 10:09:04,752 INFO L79 RefereeObserver]: Analyzing ICFG divbin_unwindbound1.i [2024-09-13 10:09:04,757 INFO L112 InvariantChecker]: Found 2 loops. [2024-09-13 10:09:04,758 INFO L367 InvariantChecker]: Will check inductivity from ENTRY assume_abort_if_notENTRY to ERROR_LOC assume_abort_if_notErr0ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 4 edges. [2024-09-13 10:09:04,758 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L45-2 to ERROR_LOC mainErr5REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 8 edges. [2024-09-13 10:09:04,758 INFO L367 InvariantChecker]: Will check inductivity from ENTRY mainENTRY to ERROR_LOC mainErr0REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 2 edges. [2024-09-13 10:09:04,758 INFO L367 InvariantChecker]: Will check inductivity from ENTRY mainENTRY to ERROR_LOC mainErr1REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 3 edges. [2024-09-13 10:09:04,759 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L45-2 to LOOP_INVARIANT_ERROR_LOC mainErr3ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 8 edges. [2024-09-13 10:09:04,759 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L36-4 to LOOP_INVARIANT_ERROR_LOC mainErr3ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 7 edges. [2024-09-13 10:09:04,759 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L45-2 to ERROR_LOC mainErr4REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 4 edges. [2024-09-13 10:09:04,759 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L45-2 to ERROR_LOC mainErr6ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 10 edges. [2024-09-13 10:09:04,759 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC ULTIMATE.startErr0REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 3 edges. [2024-09-13 10:09:04,759 INFO L367 InvariantChecker]: Will check inductivity from ENTRY mainENTRY to LOOP_INVARIANT_ERROR_LOC mainErr2ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 5 edges. [2024-09-13 10:09:04,760 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L36-4 to LOOP_INVARIANT_ERROR_LOC mainErr2ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 5 edges. [2024-09-13 10:09:04,760 INFO L367 InvariantChecker]: Will check inductivity from ENTRY __VERIFIER_assertENTRY to ERROR_LOC __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 5 edges. [2024-09-13 10:09:04,760 INFO L367 InvariantChecker]: Will check inductivity from ENTRY __VERIFIER_assertENTRY to ERROR_LOC __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 3 edges. [2024-09-13 10:09:04,760 INFO L130 InvariantChecker]: Will check 3 loop-free subgraphs from loop head to error location, 1 loop-free subgraphs from procedure entry to loop head, 6 loop-free subgraphs from procedure entry to error location, 3 loop-free subgraphs from loop head to loop head [2024-09-13 10:09:04,808 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 4 edges [2024-09-13 10:09:04,809 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 10:09:04,809 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 10:09:04,809 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 10:09:04,812 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 10:09:04,814 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:09:04,821 INFO L101 BaseMinimizeStates]: Removed 6 edges and 2 locations by large block encoding [2024-09-13 10:09:04,823 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:09:04,823 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 10:09:04,823 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 10:09:04,823 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 10:09:04,826 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 10:09:04,845 INFO L514 InvariantChecker]: The annotation(s) from entry assume_abort_if_notENTRY to error location assume_abort_if_notErr0ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-13 10:09:04,868 INFO L314 BlockEncoder]: Initial Icfg 7 locations, 8 edges [2024-09-13 10:09:04,869 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 10:09:04,869 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 10:09:04,869 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 10:09:04,869 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 10:09:04,869 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:09:04,901 INFO L101 BaseMinimizeStates]: Removed 14 edges and 5 locations by large block encoding [2024-09-13 10:09:04,901 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:09:04,901 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 10:09:04,902 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 10:09:04,902 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 10:09:04,906 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 10:09:08,914 INFO L510 InvariantChecker]: unknown inductivity: todo good error message [2024-09-13 10:09:08,934 INFO L314 BlockEncoder]: Initial Icfg 3 locations, 2 edges [2024-09-13 10:09:08,937 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 10:09:08,937 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 10:09:08,939 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 10:09:08,939 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 10:09:08,939 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:09:08,940 INFO L101 BaseMinimizeStates]: Removed 2 edges and 1 locations by large block encoding [2024-09-13 10:09:08,940 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:09:08,940 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 10:09:08,941 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 10:09:08,941 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 10:09:08,941 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 10:09:08,946 INFO L514 InvariantChecker]: The annotation(s) from entry mainENTRY to error location mainErr0REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-13 10:09:08,966 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-13 10:09:08,966 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 10:09:08,966 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 10:09:08,967 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 10:09:08,967 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 10:09:08,967 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:09:08,968 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-13 10:09:08,968 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:09:08,969 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 10:09:08,969 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 10:09:08,969 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 10:09:08,969 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 10:09:08,971 INFO L514 InvariantChecker]: The annotation(s) from entry mainENTRY to error location mainErr1REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-13 10:09:08,990 INFO L314 BlockEncoder]: Initial Icfg 8 locations, 8 edges [2024-09-13 10:09:08,991 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 10:09:08,991 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 10:09:08,991 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 10:09:08,991 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 10:09:08,991 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:09:09,021 INFO L101 BaseMinimizeStates]: Removed 14 edges and 6 locations by large block encoding [2024-09-13 10:09:09,021 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:09:09,021 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 10:09:09,022 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 10:09:09,022 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 10:09:09,031 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 10:09:09,041 INFO L514 InvariantChecker]: The annotation(s) from loop head L45-2 to loop head mainErr3ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-13 10:09:09,052 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 7 edges [2024-09-13 10:09:09,052 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 10:09:09,052 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 10:09:09,052 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 10:09:09,052 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 10:09:09,053 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:09:09,064 INFO L101 BaseMinimizeStates]: Removed 12 edges and 4 locations by large block encoding [2024-09-13 10:09:09,064 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:09:09,064 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 10:09:09,065 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 10:09:09,065 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 10:09:09,067 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 10:09:09,070 INFO L514 InvariantChecker]: The annotation(s) from loop head L36-4 to loop head mainErr3ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-13 10:09:09,080 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 4 edges [2024-09-13 10:09:09,080 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 10:09:09,080 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 10:09:09,081 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 10:09:09,081 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 10:09:09,081 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:09:09,086 INFO L101 BaseMinimizeStates]: Removed 6 edges and 3 locations by large block encoding [2024-09-13 10:09:09,086 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:09:09,086 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 10:09:09,086 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 10:09:09,086 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 10:09:09,086 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 10:09:09,089 INFO L514 InvariantChecker]: The annotation(s) from loop head L45-2 to error location mainErr4REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-13 10:09:09,099 INFO L314 BlockEncoder]: Initial Icfg 9 locations, 10 edges [2024-09-13 10:09:09,100 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 10:09:09,102 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 10:09:09,102 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 10:09:09,102 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 10:09:09,102 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:09:09,122 INFO L101 BaseMinimizeStates]: Removed 22 edges and 7 locations by large block encoding [2024-09-13 10:09:09,124 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:09:09,124 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 10:09:09,124 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 10:09:09,124 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 10:09:09,125 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 10:09:09,127 INFO L514 InvariantChecker]: The annotation(s) from loop head L45-2 to error location mainErr6ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-13 10:09:09,136 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-13 10:09:09,137 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 10:09:09,137 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 10:09:09,137 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 10:09:09,138 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 10:09:09,138 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:09:09,139 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-13 10:09:09,139 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:09:09,139 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 10:09:09,139 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 10:09:09,139 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 10:09:09,139 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 10:09:09,141 INFO L514 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to error location ULTIMATE.startErr0REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-13 10:09:09,153 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 5 edges [2024-09-13 10:09:09,154 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 10:09:09,154 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 10:09:09,154 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 10:09:09,154 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 10:09:09,154 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:09:09,157 INFO L101 BaseMinimizeStates]: Removed 8 edges and 4 locations by large block encoding [2024-09-13 10:09:09,157 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:09:09,158 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 10:09:09,158 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 10:09:09,158 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 10:09:09,158 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 10:09:09,160 INFO L514 InvariantChecker]: The annotation(s) from entry mainENTRY to loop head mainErr2ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-13 10:09:09,169 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 5 edges [2024-09-13 10:09:09,169 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 10:09:09,170 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 10:09:09,170 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 10:09:09,170 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 10:09:09,170 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:09:09,180 INFO L101 BaseMinimizeStates]: Removed 8 edges and 4 locations by large block encoding [2024-09-13 10:09:09,180 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:09:09,180 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 10:09:09,180 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 10:09:09,180 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 10:09:09,181 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 10:09:09,186 INFO L514 InvariantChecker]: The annotation(s) from loop head L36-4 to loop head mainErr2ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-13 10:09:09,196 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 5 edges [2024-09-13 10:09:09,196 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 10:09:09,197 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 10:09:09,197 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 10:09:09,197 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 10:09:09,198 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:09:09,200 INFO L101 BaseMinimizeStates]: Removed 8 edges and 3 locations by large block encoding [2024-09-13 10:09:09,201 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:09:09,201 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 10:09:09,201 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 10:09:09,201 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 10:09:09,202 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 10:09:09,203 INFO L514 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-13 10:09:09,214 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-13 10:09:09,215 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 10:09:09,216 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 10:09:09,216 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 10:09:09,216 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 10:09:09,216 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:09:09,217 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-13 10:09:09,218 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:09:09,218 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 10:09:09,218 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 10:09:09,218 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 10:09:09,218 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 10:09:09,220 INFO L514 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION is inductive. [2024-09-13 10:09:09,223 INFO L58 RefereeStarter]: Insufficient resources for checking whether annotation is a valid proof of correctness. [2024-09-13 10:09:09,225 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@26f9f2a3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee CFG 13.09 10:09:09, skipping insertion in model container [2024-09-13 10:09:09,225 INFO L131 PluginConnector]: ------------------------ END Referee---------------------------- [2024-09-13 10:09:09,226 INFO L158 Benchmark]: Toolchain (without parser) took 5181.82ms. Allocated memory is still 153.1MB. Free memory was 115.5MB in the beginning and 55.9MB in the end (delta: 59.6MB). Peak memory consumption was 57.1MB. Max. memory is 16.1GB. [2024-09-13 10:09:09,226 INFO L158 Benchmark]: Witness Parser took 0.60ms. Allocated memory is still 109.1MB. Free memory was 81.5MB in the beginning and 81.3MB in the end (delta: 159.5kB). There was no memory consumed. Max. memory is 16.1GB. [2024-09-13 10:09:09,227 INFO L158 Benchmark]: CDTParser took 0.28ms. Allocated memory is still 109.1MB. Free memory was 79.4MB in the beginning and 79.2MB in the end (delta: 159.4kB). There was no memory consumed. Max. memory is 16.1GB. [2024-09-13 10:09:09,228 INFO L158 Benchmark]: CACSL2BoogieTranslator took 282.15ms. Allocated memory is still 153.1MB. Free memory was 114.9MB in the beginning and 100.8MB in the end (delta: 14.0MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-09-13 10:09:09,229 INFO L158 Benchmark]: Boogie Preprocessor took 39.24ms. Allocated memory is still 153.1MB. Free memory was 100.8MB in the beginning and 98.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-09-13 10:09:09,230 INFO L158 Benchmark]: RCFGBuilder took 377.59ms. Allocated memory is still 153.1MB. Free memory was 98.7MB in the beginning and 115.7MB in the end (delta: -17.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-09-13 10:09:09,231 INFO L158 Benchmark]: Referee took 4476.42ms. Allocated memory is still 153.1MB. Free memory was 115.7MB in the beginning and 55.9MB in the end (delta: 59.8MB). Peak memory consumption was 60.8MB. Max. memory is 16.1GB. [2024-09-13 10:09:09,235 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.referee: - AnnotationCheckResult: Insufficient resources for checking whether annotation is a valid proof of correctness. Insufficient resources for checking whether annotation is a valid proof of correctness. Insufficient resources for checking whether annotation is valid for all loop-free paths from loop head at line 40 to check that procedure precondition always holds at line 40. 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 40 to check that procedure precondition always holds at line 41. Annotation is valid for all loop-free paths from entry of procedure main to check that procedure precondition always holds at line 31. Annotation is valid for all loop-free paths from loop head at line 40 to exit of procedure main. Annotation is valid for all loop-free paths from loop head at line 36 to loop head at line 36. Annotation is valid for all loop-free paths from entry of procedure main to loop head at line 36. Annotation is valid for all loop-free paths from entry of procedure main to check that procedure precondition always holds at line 31. Annotation is valid for all loop-free paths from loop head at line 36 to loop head at line 40. 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 20. 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 40 to loop head at line 40. Annotation is valid for all loop-free paths from entry of procedure ULTIMATE.start to check that procedure precondition always holds at line -1. * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Witness Parser took 0.60ms. Allocated memory is still 109.1MB. Free memory was 81.5MB in the beginning and 81.3MB in the end (delta: 159.5kB). There was no memory consumed. Max. memory is 16.1GB. * CDTParser took 0.28ms. Allocated memory is still 109.1MB. Free memory was 79.4MB in the beginning and 79.2MB in the end (delta: 159.4kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 282.15ms. Allocated memory is still 153.1MB. Free memory was 114.9MB in the beginning and 100.8MB in the end (delta: 14.0MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Preprocessor took 39.24ms. Allocated memory is still 153.1MB. Free memory was 100.8MB in the beginning and 98.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 377.59ms. Allocated memory is still 153.1MB. Free memory was 98.7MB in the beginning and 115.7MB in the end (delta: -17.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Referee took 4476.42ms. Allocated memory is still 153.1MB. Free memory was 115.7MB in the beginning and 55.9MB in the end (delta: 59.8MB). Peak memory consumption was 60.8MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-09-13 10:09:09,257 INFO L540 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/referee/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... ### Bit-precise run ### This is Ultimate 0.2.4-dev-1d5fa63-m [2024-09-13 10:09:11,408 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-13 10:09:11,483 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Bitvector.epf [2024-09-13 10:09:11,488 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-13 10:09:11,489 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-13 10:09:11,516 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-13 10:09:11,516 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-13 10:09:11,517 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-13 10:09:11,517 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-13 10:09:11,518 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-13 10:09:11,518 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-13 10:09:11,519 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-13 10:09:11,521 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-13 10:09:11,521 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-13 10:09:11,522 INFO L153 SettingsManager]: * Use SBE=true [2024-09-13 10:09:11,522 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-13 10:09:11,522 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-13 10:09:11,523 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-13 10:09:11,523 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-13 10:09:11,523 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-13 10:09:11,524 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-13 10:09:11,527 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-13 10:09:11,527 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-13 10:09:11,528 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-09-13 10:09:11,528 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-09-13 10:09:11,528 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-13 10:09:11,528 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-09-13 10:09:11,529 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-13 10:09:11,529 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-13 10:09:11,529 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-13 10:09:11,529 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-13 10:09:11,530 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-13 10:09:11,530 INFO L153 SettingsManager]: * Future-live optimization=false [2024-09-13 10:09:11,533 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-13 10:09:11,533 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-13 10:09:11,533 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-13 10:09:11,534 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-13 10:09:11,534 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-13 10:09:11,534 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-13 10:09:11,534 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-09-13 10:09:11,534 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-09-13 10:09:11,535 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-13 10:09:11,535 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-13 10:09:11,535 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-13 10:09:11,536 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-13 10:09:11,536 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2024-09-13 10:09:11,536 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None [2024-09-13 10:09:11,844 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-13 10:09:11,863 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-13 10:09:11,867 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-13 10:09:11,868 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-13 10:09:11,868 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-13 10:09:11,870 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/automizer-verification-files/SV-COMP24_unreach-call/divbin_unwindbound1.yml/witness-2.1.yml [2024-09-13 10:09:11,917 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-13 10:09:11,918 INFO L274 PluginConnector]: CDTParser initialized [2024-09-13 10:09:11,918 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/nla-digbench-scaling/divbin_unwindbound1.i [2024-09-13 10:09:13,520 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-13 10:09:13,720 INFO L384 CDTParser]: Found 1 translation units. [2024-09-13 10:09:13,721 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench-scaling/divbin_unwindbound1.i [2024-09-13 10:09:13,729 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/e8c249048/7bf16cc88da24dd4aed92448857f10d2/FLAG229d6e026 [2024-09-13 10:09:14,097 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/e8c249048/7bf16cc88da24dd4aed92448857f10d2 [2024-09-13 10:09:14,098 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-13 10:09:14,099 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-09-13 10:09:14,100 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-13 10:09:14,100 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-13 10:09:14,105 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-13 10:09:14,105 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 13.09 10:09:11" (1/2) ... [2024-09-13 10:09:14,106 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@708779fc and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 13.09 10:09:14, skipping insertion in model container [2024-09-13 10:09:14,106 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 13.09 10:09:11" (1/2) ... [2024-09-13 10:09:14,108 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@6680bfa8 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 13.09 10:09:14, skipping insertion in model container [2024-09-13 10:09:14,108 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.09 10:09:14" (2/2) ... [2024-09-13 10:09:14,108 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@708779fc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 10:09:14, skipping insertion in model container [2024-09-13 10:09:14,108 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.09 10:09:14" (2/2) ... [2024-09-13 10:09:14,121 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-13 10:09:14,124 INFO L1541 ArrayList]: Loop invariant at [L40-L49] ((((A == r) && (1 <= counter)) && (\old(counter) == 0)) && (q == 0)) [2024-09-13 10:09:14,125 INFO L1541 ArrayList]: Loop invariant at [L36-L39] ((\old(counter) == 0) && ((((A == r) && (counter == 0)) && (q == 0)) || (((A == r) && (1 <= counter)) && (q == 0)))) [2024-09-13 10:09:14,125 INFO L1541 ArrayList]: Function contract at [L15]: requires (counter == 0), ensures (counter == 0) [2024-09-13 10:09:14,125 INFO L1541 ArrayList]: Function contract at [L26]: requires (counter == 0), ensures (\old(counter) == 0) [2024-09-13 10:09:14,125 INFO L1541 ArrayList]: Function contract at [L18]: requires (1 <= \old(cond)), ensures (1 <= \old(cond)) [2024-09-13 10:09:14,140 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-13 10:09:14,300 WARN L247 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/divbin_unwindbound1.i[950,963] [2024-09-13 10:09:14,330 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-13 10:09:14,342 INFO L200 MainTranslator]: Completed pre-run Start Parsing Global Start Parsing Global Start Parsing Global Start Parsing Global [2024-09-13 10:09:14,385 WARN L247 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/divbin_unwindbound1.i[950,963] Start Parsing Global Start Parsing Global Start Parsing Local Start Parsing Local [2024-09-13 10:09:14,399 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-13 10:09:14,416 INFO L204 MainTranslator]: Completed translation [2024-09-13 10:09:14,417 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 10:09:14 WrapperNode [2024-09-13 10:09:14,417 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-13 10:09:14,418 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-13 10:09:14,419 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-13 10:09:14,419 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-13 10:09:14,431 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 10:09:14" (1/1) ... [2024-09-13 10:09:14,431 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 10:09:14" (1/1) ... [2024-09-13 10:09:14,439 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 10:09:14" (1/1) ... [2024-09-13 10:09:14,448 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 [2024-09-13 10:09:14,448 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 10:09:14" (1/1) ... [2024-09-13 10:09:14,448 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 10:09:14" (1/1) ... [2024-09-13 10:09:14,458 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 10:09:14" (1/1) ... [2024-09-13 10:09:14,465 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 10:09:14" (1/1) ... [2024-09-13 10:09:14,468 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 10:09:14" (1/1) ... [2024-09-13 10:09:14,468 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 10:09:14" (1/1) ... [2024-09-13 10:09:14,471 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-13 10:09:14,471 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-13 10:09:14,472 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-13 10:09:14,472 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-13 10:09:14,472 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 10:09:14" (1/1) ... [2024-09-13 10:09:14,477 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-13 10:09:14,484 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-09-13 10:09:14,496 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) [2024-09-13 10:09:14,498 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 [2024-09-13 10:09:14,540 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-09-13 10:09:14,540 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-13 10:09:14,540 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-09-13 10:09:14,540 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-09-13 10:09:14,540 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-09-13 10:09:14,540 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-09-13 10:09:14,541 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-09-13 10:09:14,541 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-09-13 10:09:14,541 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_perror_fail [2024-09-13 10:09:14,541 INFO L130 BoogieDeclarations]: Found specification of procedure __assert [2024-09-13 10:09:14,541 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-09-13 10:09:14,541 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-13 10:09:14,541 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2024-09-13 10:09:14,541 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-09-13 10:09:14,541 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-09-13 10:09:14,541 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-09-13 10:09:14,541 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-09-13 10:09:14,541 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-09-13 10:09:14,542 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-13 10:09:14,542 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2024-09-13 10:09:14,542 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2024-09-13 10:09:14,542 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-09-13 10:09:14,625 INFO L242 CfgBuilder]: Building ICFG [2024-09-13 10:09:14,627 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-13 10:09:14,652 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-13 10:09:14,686 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-13 10:09:14,897 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-13 10:09:14,912 INFO L291 CfgBuilder]: Performing block encoding [2024-09-13 10:09:14,948 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-13 10:09:14,951 INFO L318 CfgBuilder]: Removed 2 assume(true) statements. [2024-09-13 10:09:14,951 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.09 10:09:14 BoogieIcfgContainer [2024-09-13 10:09:14,952 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-13 10:09:14,952 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-09-13 10:09:14,952 INFO L270 PluginConnector]: Initializing Referee... [2024-09-13 10:09:14,953 INFO L274 PluginConnector]: Referee initialized [2024-09-13 10:09:14,953 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 13.09 10:09:11" (1/4) ... [2024-09-13 10:09:14,956 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@6452a824 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 13.09 10:09:14, skipping insertion in model container [2024-09-13 10:09:14,956 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 13.09 10:09:14" (2/4) ... [2024-09-13 10:09:14,956 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@6452a824 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 13.09 10:09:14, skipping insertion in model container [2024-09-13 10:09:14,956 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 10:09:14" (3/4) ... [2024-09-13 10:09:14,957 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@6452a824 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 13.09 10:09:14, skipping insertion in model container [2024-09-13 10:09:14,957 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.09 10:09:14" (4/4) ... [2024-09-13 10:09:14,959 INFO L79 RefereeObserver]: Analyzing ICFG divbin_unwindbound1.i [2024-09-13 10:09:14,962 INFO L112 InvariantChecker]: Found 2 loops. [2024-09-13 10:09:14,963 INFO L367 InvariantChecker]: Will check inductivity from ENTRY assume_abort_if_notENTRY to ERROR_LOC assume_abort_if_notErr0ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 4 edges. [2024-09-13 10:09:14,963 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L45-2 to ERROR_LOC mainErr5REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 8 edges. [2024-09-13 10:09:14,963 INFO L367 InvariantChecker]: Will check inductivity from ENTRY mainENTRY to ERROR_LOC mainErr0REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 2 edges. [2024-09-13 10:09:14,963 INFO L367 InvariantChecker]: Will check inductivity from ENTRY mainENTRY to ERROR_LOC mainErr1REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 3 edges. [2024-09-13 10:09:14,963 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L45-2 to LOOP_INVARIANT_ERROR_LOC mainErr3ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 8 edges. [2024-09-13 10:09:14,963 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L36-4 to LOOP_INVARIANT_ERROR_LOC mainErr3ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 7 edges. [2024-09-13 10:09:14,964 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L45-2 to ERROR_LOC mainErr4REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 4 edges. [2024-09-13 10:09:14,964 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L45-2 to ERROR_LOC mainErr6ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 10 edges. [2024-09-13 10:09:14,964 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC ULTIMATE.startErr0REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 3 edges. [2024-09-13 10:09:14,964 INFO L367 InvariantChecker]: Will check inductivity from ENTRY mainENTRY to LOOP_INVARIANT_ERROR_LOC mainErr2ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 5 edges. [2024-09-13 10:09:14,964 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L36-4 to LOOP_INVARIANT_ERROR_LOC mainErr2ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 5 edges. [2024-09-13 10:09:14,964 INFO L367 InvariantChecker]: Will check inductivity from ENTRY __VERIFIER_assertENTRY to ERROR_LOC __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 5 edges. [2024-09-13 10:09:14,964 INFO L367 InvariantChecker]: Will check inductivity from ENTRY __VERIFIER_assertENTRY to ERROR_LOC __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 3 edges. [2024-09-13 10:09:14,965 INFO L130 InvariantChecker]: Will check 3 loop-free subgraphs from loop head to loop head, 3 loop-free subgraphs from loop head to error location, 1 loop-free subgraphs from procedure entry to loop head, 6 loop-free subgraphs from procedure entry to error location [2024-09-13 10:09:15,016 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 4 edges [2024-09-13 10:09:15,017 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 10:09:15,018 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 10:09:15,018 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 10:09:15,019 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 10:09:15,021 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:09:15,033 INFO L101 BaseMinimizeStates]: Removed 6 edges and 2 locations by large block encoding [2024-09-13 10:09:15,034 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:09:15,034 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 10:09:15,035 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 10:09:15,035 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 10:09:15,038 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 10:09:15,060 INFO L514 InvariantChecker]: The annotation(s) from entry assume_abort_if_notENTRY to error location assume_abort_if_notErr0ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-13 10:09:15,082 INFO L314 BlockEncoder]: Initial Icfg 7 locations, 8 edges [2024-09-13 10:09:15,082 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 10:09:15,082 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 10:09:15,082 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 10:09:15,083 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 10:09:15,083 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:09:15,101 INFO L101 BaseMinimizeStates]: Removed 14 edges and 5 locations by large block encoding [2024-09-13 10:09:15,102 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:09:15,102 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 10:09:15,102 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 10:09:15,102 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 10:09:15,108 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 10:09:15,114 INFO L514 InvariantChecker]: The annotation(s) from loop head L45-2 to error location mainErr5REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-13 10:09:15,139 INFO L314 BlockEncoder]: Initial Icfg 3 locations, 2 edges [2024-09-13 10:09:15,139 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 10:09:15,140 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 10:09:15,140 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 10:09:15,140 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 10:09:15,140 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:09:15,141 INFO L101 BaseMinimizeStates]: Removed 2 edges and 1 locations by large block encoding [2024-09-13 10:09:15,141 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:09:15,141 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 10:09:15,141 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 10:09:15,141 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 10:09:15,141 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 10:09:15,144 INFO L514 InvariantChecker]: The annotation(s) from entry mainENTRY to error location mainErr0REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-13 10:09:15,160 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-13 10:09:15,160 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 10:09:15,161 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 10:09:15,161 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 10:09:15,161 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 10:09:15,161 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:09:15,163 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-13 10:09:15,163 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:09:15,163 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 10:09:15,163 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 10:09:15,164 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 10:09:15,164 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 10:09:15,165 INFO L514 InvariantChecker]: The annotation(s) from entry mainENTRY to error location mainErr1REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-13 10:09:15,194 INFO L314 BlockEncoder]: Initial Icfg 8 locations, 8 edges [2024-09-13 10:09:15,195 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 10:09:15,195 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 10:09:15,195 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 10:09:15,195 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 10:09:15,195 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:09:15,221 INFO L101 BaseMinimizeStates]: Removed 14 edges and 6 locations by large block encoding [2024-09-13 10:09:15,222 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:09:15,222 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 10:09:15,222 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 10:09:15,222 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 10:09:15,231 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 10:09:15,236 INFO L514 InvariantChecker]: The annotation(s) from loop head L45-2 to loop head mainErr3ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-13 10:09:15,253 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 7 edges [2024-09-13 10:09:15,254 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 10:09:15,254 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 10:09:15,255 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 10:09:15,256 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 10:09:15,256 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:09:15,269 INFO L101 BaseMinimizeStates]: Removed 12 edges and 4 locations by large block encoding [2024-09-13 10:09:15,270 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:09:15,270 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 10:09:15,270 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 10:09:15,270 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 10:09:15,273 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 10:09:15,304 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 4 edges [2024-09-13 10:09:15,304 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 10:09:15,304 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 10:09:15,305 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 10:09:15,305 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 10:09:15,306 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:09:15,311 INFO L101 BaseMinimizeStates]: Removed 6 edges and 3 locations by large block encoding [2024-09-13 10:09:15,312 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:09:15,313 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 10:09:15,314 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 10:09:15,314 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 10:09:15,316 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 10:09:15,322 INFO L514 InvariantChecker]: The annotation(s) from loop head L45-2 to error location mainErr4REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-13 10:09:15,335 INFO L314 BlockEncoder]: Initial Icfg 9 locations, 10 edges [2024-09-13 10:09:15,335 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 10:09:15,336 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 10:09:15,336 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 10:09:15,336 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 10:09:15,336 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:09:15,359 INFO L101 BaseMinimizeStates]: Removed 22 edges and 7 locations by large block encoding [2024-09-13 10:09:15,359 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:09:15,359 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 10:09:15,359 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 10:09:15,359 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 10:09:15,360 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 10:09:15,362 INFO L514 InvariantChecker]: The annotation(s) from loop head L45-2 to error location mainErr6ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-13 10:09:15,371 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-13 10:09:15,373 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 10:09:15,374 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 10:09:15,374 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 10:09:15,374 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 10:09:15,374 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:09:15,375 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-13 10:09:15,375 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:09:15,375 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 10:09:15,375 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 10:09:15,375 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 10:09:15,375 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 10:09:15,378 INFO L514 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to error location ULTIMATE.startErr0REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-13 10:09:15,391 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 5 edges [2024-09-13 10:09:15,391 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 10:09:15,392 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 10:09:15,392 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 10:09:15,392 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 10:09:15,392 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:09:15,396 INFO L101 BaseMinimizeStates]: Removed 8 edges and 4 locations by large block encoding [2024-09-13 10:09:15,397 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:09:15,397 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 10:09:15,397 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 10:09:15,397 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 10:09:15,397 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 10:09:15,400 INFO L514 InvariantChecker]: The annotation(s) from entry mainENTRY to loop head mainErr2ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-13 10:09:15,411 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 5 edges [2024-09-13 10:09:15,411 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 10:09:15,411 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 10:09:15,411 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 10:09:15,411 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 10:09:15,412 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:09:15,419 INFO L101 BaseMinimizeStates]: Removed 8 edges and 4 locations by large block encoding [2024-09-13 10:09:15,423 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:09:15,423 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 10:09:15,423 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 10:09:15,424 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 10:09:15,424 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 10:09:15,431 INFO L514 InvariantChecker]: The annotation(s) from loop head L36-4 to loop head mainErr2ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-13 10:09:15,440 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 5 edges [2024-09-13 10:09:15,440 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 10:09:15,440 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 10:09:15,441 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 10:09:15,441 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 10:09:15,441 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:09:15,443 INFO L101 BaseMinimizeStates]: Removed 8 edges and 3 locations by large block encoding [2024-09-13 10:09:15,443 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:09:15,444 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 10:09:15,444 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 10:09:15,444 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 10:09:15,444 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 10:09:15,446 INFO L514 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-13 10:09:15,455 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-13 10:09:15,455 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 10:09:15,456 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 10:09:15,457 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 10:09:15,458 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 10:09:15,458 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:09:15,459 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-13 10:09:15,459 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:09:15,459 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 10:09:15,459 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 10:09:15,459 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 10:09:15,460 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 10:09:15,461 INFO L514 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION is inductive. [2024-09-13 10:09:15,469 INFO L58 RefereeStarter]: Annotation is not a valid proof of correctness. [2024-09-13 10:09:15,471 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@6452a824 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee CFG 13.09 10:09:15, skipping insertion in model container [2024-09-13 10:09:15,471 INFO L131 PluginConnector]: ------------------------ END Referee---------------------------- [2024-09-13 10:09:15,473 INFO L158 Benchmark]: Toolchain (without parser) took 1373.38ms. Allocated memory is still 81.8MB. Free memory was 47.6MB in the beginning and 31.2MB in the end (delta: 16.5MB). Peak memory consumption was 20.4MB. Max. memory is 16.1GB. [2024-09-13 10:09:15,474 INFO L158 Benchmark]: Witness Parser took 0.21ms. Allocated memory is still 56.6MB. Free memory was 35.7MB in the beginning and 35.6MB in the end (delta: 73.4kB). There was no memory consumed. Max. memory is 16.1GB. [2024-09-13 10:09:15,474 INFO L158 Benchmark]: CDTParser took 0.15ms. Allocated memory is still 56.6MB. Free memory was 33.5MB in the beginning and 33.4MB in the end (delta: 73.5kB). There was no memory consumed. Max. memory is 16.1GB. [2024-09-13 10:09:15,475 INFO L158 Benchmark]: CACSL2BoogieTranslator took 317.87ms. Allocated memory is still 81.8MB. Free memory was 47.4MB in the beginning and 56.7MB in the end (delta: -9.3MB). Peak memory consumption was 11.5MB. Max. memory is 16.1GB. [2024-09-13 10:09:15,475 INFO L158 Benchmark]: Boogie Preprocessor took 52.27ms. Allocated memory is still 81.8MB. Free memory was 56.3MB in the beginning and 54.3MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-09-13 10:09:15,476 INFO L158 Benchmark]: RCFGBuilder took 480.30ms. Allocated memory is still 81.8MB. Free memory was 54.3MB in the beginning and 38.9MB in the end (delta: 15.4MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-09-13 10:09:15,478 INFO L158 Benchmark]: Referee took 519.16ms. Allocated memory is still 81.8MB. Free memory was 38.9MB in the beginning and 31.2MB in the end (delta: 7.8MB). Peak memory consumption was 13.1MB. Max. memory is 16.1GB. [2024-09-13 10:09:15,482 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 36 to loop head at line 40. One counterexample starts in \old(counter)=0, A=0, b=0, counter=2147483647, q=0, r=0 and ends in \old(counter)=0, A=0, b=0, counter=-2147483648, q=0, r=0. Annotation is valid for all loop-free paths from entry of procedure ULTIMATE.start to check that procedure precondition always holds at line -1. Annotation is valid for all loop-free paths from loop head at line 40 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 entry of procedure main to check that procedure precondition always holds at line 31. Annotation is valid for all loop-free paths from loop head at line 40 to loop head at line 40. Annotation is valid for all loop-free paths from loop head at line 36 to loop head at line 36. 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 20. Annotation is valid for all loop-free paths from loop head at line 40 to check that procedure precondition always holds at line 41. Annotation is valid for all loop-free paths from entry of procedure main to check that procedure precondition always holds at line 31. 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 40 to check that procedure precondition always holds at line 40. Annotation is valid for all loop-free paths from entry of procedure main to loop head at line 36. * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Witness Parser took 0.21ms. Allocated memory is still 56.6MB. Free memory was 35.7MB in the beginning and 35.6MB in the end (delta: 73.4kB). There was no memory consumed. Max. memory is 16.1GB. * CDTParser took 0.15ms. Allocated memory is still 56.6MB. Free memory was 33.5MB in the beginning and 33.4MB in the end (delta: 73.5kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 317.87ms. Allocated memory is still 81.8MB. Free memory was 47.4MB in the beginning and 56.7MB in the end (delta: -9.3MB). Peak memory consumption was 11.5MB. Max. memory is 16.1GB. * Boogie Preprocessor took 52.27ms. Allocated memory is still 81.8MB. Free memory was 56.3MB in the beginning and 54.3MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 480.30ms. Allocated memory is still 81.8MB. Free memory was 54.3MB in the beginning and 38.9MB in the end (delta: 15.4MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Referee took 519.16ms. Allocated memory is still 81.8MB. Free memory was 38.9MB in the beginning and 31.2MB in the end (delta: 7.8MB). Peak memory consumption was 13.1MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-09-13 10:09:15,521 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...