This is Ultimate 0.2.4-tmp.dk.referee-eval-fb1cb0b-m [2024-09-25 11:47:18,919 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-25 11:47:18,982 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Default.epf [2024-09-25 11:47:18,985 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-25 11:47:18,985 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-25 11:47:19,005 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-25 11:47:19,007 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-25 11:47:19,007 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-25 11:47:19,008 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-25 11:47:19,009 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-25 11:47:19,010 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-25 11:47:19,010 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-25 11:47:19,010 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-25 11:47:19,013 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-25 11:47:19,013 INFO L153 SettingsManager]: * Use SBE=true [2024-09-25 11:47:19,013 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-25 11:47:19,013 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-25 11:47:19,014 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-25 11:47:19,014 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-09-25 11:47:19,014 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-25 11:47:19,014 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-25 11:47:19,014 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-25 11:47:19,015 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-25 11:47:19,015 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-25 11:47:19,015 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-25 11:47:19,015 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-25 11:47:19,015 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-25 11:47:19,015 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-25 11:47:19,016 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-25 11:47:19,016 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-25 11:47:19,016 INFO L153 SettingsManager]: * Future-live optimization=false [2024-09-25 11:47:19,016 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-25 11:47:19,016 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-25 11:47:19,016 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-25 11:47:19,016 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-25 11:47:19,017 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-25 11:47:19,017 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-25 11:47:19,017 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-09-25 11:47:19,017 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-09-25 11:47:19,017 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-25 11:47:19,017 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-25 11:47:19,018 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-25 11:47:19,018 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-25 11:47:19,019 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None [2024-09-25 11:47:19,234 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-25 11:47:19,259 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-25 11:47:19,261 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-25 11:47:19,262 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-25 11:47:19,263 INFO L274 PluginConnector]: CDTParser initialized [2024-09-25 11:47:19,264 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/nla-digbench-scaling/divbin_unwindbound1.i [2024-09-25 11:47:20,517 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-25 11:47:20,659 INFO L384 CDTParser]: Found 1 translation units. [2024-09-25 11:47:20,661 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench-scaling/divbin_unwindbound1.i [2024-09-25 11:47:20,670 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/cac64894d/554838c184ea41baa4dd5e3bbdbf311e/FLAG98032638a [2024-09-25 11:47:20,683 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/cac64894d/554838c184ea41baa4dd5e3bbdbf311e [2024-09-25 11:47:20,686 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-25 11:47:20,687 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-25 11:47:20,687 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/automizer-verification-files/SV-COMP24_unreach-call/divbin_unwindbound1.yml/witness-2.1.yml [2024-09-25 11:47:20,736 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-25 11:47:20,737 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-09-25 11:47:20,739 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-25 11:47:20,739 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-25 11:47:20,743 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-25 11:47:20,744 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 11:47:20" (1/2) ... [2024-09-25 11:47:20,746 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5e3fd1e4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 11:47:20, skipping insertion in model container [2024-09-25 11:47:20,746 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 11:47:20" (1/2) ... [2024-09-25 11:47:20,748 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@4c64a012 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 11:47:20, skipping insertion in model container [2024-09-25 11:47:20,748 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 25.09 11:47:20" (2/2) ... [2024-09-25 11:47:20,748 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5e3fd1e4 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 25.09 11:47:20, skipping insertion in model container [2024-09-25 11:47:20,748 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 25.09 11:47:20" (2/2) ... [2024-09-25 11:47:20,758 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-25 11:47:20,762 INFO L1541 ArrayList]: Loop invariant at [L40-L49] ((((A == r) && (1 <= counter)) && (\old(counter) == 0)) && (q == 0)) [2024-09-25 11:47:20,762 INFO L1541 ArrayList]: Loop invariant at [L36-L39] ((\old(counter) == 0) && ((((A == r) && (counter == 0)) && (q == 0)) || (((A == r) && (1 <= counter)) && (q == 0)))) [2024-09-25 11:47:20,762 INFO L1541 ArrayList]: Function contract at [L18]: requires (1 <= cond), ensures ((counter == \old(counter)) && (1 <= cond)) [2024-09-25 11:47:20,762 INFO L1541 ArrayList]: Function contract at [L26]: requires (counter == 0), ensures (\old(counter) == 0) [2024-09-25 11:47:20,762 INFO L1541 ArrayList]: Function contract at [L15]: requires (counter == 0), ensures ((counter == \old(counter)) && (counter == 0)) [2024-09-25 11:47:20,778 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-25 11:47:20,902 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench-scaling/divbin_unwindbound1.i[950,963] [2024-09-25 11:47:20,915 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-25 11:47:20,921 INFO L200 MainTranslator]: Completed pre-run Start Parsing Global Start Parsing Global Start Parsing Global Start Parsing Global [2024-09-25 11:47:20,950 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench-scaling/divbin_unwindbound1.i[950,963] Start Parsing Global Start Parsing Global Start Parsing Local Start Parsing Local [2024-09-25 11:47:20,958 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-25 11:47:20,969 INFO L204 MainTranslator]: Completed translation [2024-09-25 11:47:20,969 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 25.09 11:47:20 WrapperNode [2024-09-25 11:47:20,970 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-25 11:47:20,970 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-25 11:47:20,970 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-25 11:47:20,971 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-25 11:47:20,979 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 25.09 11:47:20" (1/1) ... [2024-09-25 11:47:20,980 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 25.09 11:47:20" (1/1) ... [2024-09-25 11:47:20,985 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 25.09 11:47:20" (1/1) ... [2024-09-25 11:47:20,992 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 [2024-09-25 11:47:20,992 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 25.09 11:47:20" (1/1) ... [2024-09-25 11:47:20,992 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 25.09 11:47:20" (1/1) ... [2024-09-25 11:47:20,998 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 25.09 11:47:20" (1/1) ... [2024-09-25 11:47:21,001 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 25.09 11:47:20" (1/1) ... [2024-09-25 11:47:21,002 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 25.09 11:47:20" (1/1) ... [2024-09-25 11:47:21,002 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 25.09 11:47:20" (1/1) ... [2024-09-25 11:47:21,004 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-25 11:47:21,004 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-25 11:47:21,005 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-25 11:47:21,005 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-25 11:47:21,005 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 25.09 11:47:20" (1/1) ... [2024-09-25 11:47:21,009 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-25 11:47:21,016 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-09-25 11:47:21,031 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) [2024-09-25 11:47:21,039 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 [2024-09-25 11:47:21,072 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-09-25 11:47:21,073 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-25 11:47:21,073 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-09-25 11:47:21,073 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-09-25 11:47:21,073 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-09-25 11:47:21,073 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-09-25 11:47:21,073 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-09-25 11:47:21,073 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-09-25 11:47:21,073 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_perror_fail [2024-09-25 11:47:21,074 INFO L130 BoogieDeclarations]: Found specification of procedure __assert [2024-09-25 11:47:21,074 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-09-25 11:47:21,074 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-25 11:47:21,074 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2024-09-25 11:47:21,074 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-09-25 11:47:21,074 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-09-25 11:47:21,074 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-09-25 11:47:21,074 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-09-25 11:47:21,074 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-09-25 11:47:21,075 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-25 11:47:21,075 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-09-25 11:47:21,075 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-09-25 11:47:21,075 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-09-25 11:47:21,130 INFO L241 CfgBuilder]: Building ICFG [2024-09-25 11:47:21,134 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-25 11:47:21,153 WARN L782 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-25 11:47:21,170 WARN L782 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-25 11:47:21,256 WARN L782 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-25 11:47:21,267 INFO L290 CfgBuilder]: Performing block encoding [2024-09-25 11:47:21,284 INFO L312 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-25 11:47:21,284 INFO L317 CfgBuilder]: Removed 2 assume(true) statements. [2024-09-25 11:47:21,285 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 11:47:21 BoogieIcfgContainer [2024-09-25 11:47:21,285 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-25 11:47:21,285 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-09-25 11:47:21,286 INFO L270 PluginConnector]: Initializing Referee... [2024-09-25 11:47:21,286 INFO L274 PluginConnector]: Referee initialized [2024-09-25 11:47:21,286 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 25.09 11:47:20" (1/4) ... [2024-09-25 11:47:21,287 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@47a836c2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 25.09 11:47:21, skipping insertion in model container [2024-09-25 11:47:21,287 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 25.09 11:47:20" (2/4) ... [2024-09-25 11:47:21,287 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@47a836c2 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 25.09 11:47:21, skipping insertion in model container [2024-09-25 11:47:21,287 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 25.09 11:47:20" (3/4) ... [2024-09-25 11:47:21,287 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@47a836c2 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 25.09 11:47:21, skipping insertion in model container [2024-09-25 11:47:21,287 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 11:47:21" (4/4) ... [2024-09-25 11:47:21,291 INFO L79 RefereeObserver]: Analyzing ICFG divbin_unwindbound1.i [2024-09-25 11:47:21,294 INFO L113 InvariantChecker]: Found 2 loops. [2024-09-25 11:47:21,294 INFO L373 InvariantChecker]: Will check inductivity from ENTRY assume_abort_if_notENTRY to ERROR_LOC assume_abort_if_notErr0ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 4 edges. [2024-09-25 11:47:21,295 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L45-2 to ERROR_LOC mainErr5REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 8 edges. [2024-09-25 11:47:21,295 INFO L373 InvariantChecker]: Will check inductivity from ENTRY mainENTRY to ERROR_LOC mainErr0REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 2 edges. [2024-09-25 11:47:21,295 INFO L373 InvariantChecker]: Will check inductivity from ENTRY mainENTRY to ERROR_LOC mainErr1REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 3 edges. [2024-09-25 11:47:21,295 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L45-2 to LOOP_INVARIANT_ERROR_LOC mainErr3ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 8 edges. [2024-09-25 11:47:21,295 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L36-4 to LOOP_INVARIANT_ERROR_LOC mainErr3ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 7 edges. [2024-09-25 11:47:21,295 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L45-2 to ERROR_LOC mainErr4REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 4 edges. [2024-09-25 11:47:21,295 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L45-2 to ERROR_LOC mainErr6ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 10 edges. [2024-09-25 11:47:21,295 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC ULTIMATE.startErr0REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 3 edges. [2024-09-25 11:47:21,295 INFO L373 InvariantChecker]: Will check inductivity from ENTRY mainENTRY to LOOP_INVARIANT_ERROR_LOC mainErr2ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 5 edges. [2024-09-25 11:47:21,296 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L36-4 to LOOP_INVARIANT_ERROR_LOC mainErr2ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 5 edges. [2024-09-25 11:47:21,296 INFO L373 InvariantChecker]: Will check inductivity from ENTRY __VERIFIER_assertENTRY to ERROR_LOC __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 5 edges. [2024-09-25 11:47:21,296 INFO L373 InvariantChecker]: Will check inductivity from ENTRY __VERIFIER_assertENTRY to ERROR_LOC __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 3 edges. [2024-09-25 11:47:21,296 INFO L131 InvariantChecker]: Will check 3 loop-free subgraphs from loop head to error location, 6 loop-free subgraphs from procedure entry to error location, 1 loop-free subgraphs from procedure entry to loop head, 3 loop-free subgraphs from loop head to loop head [2024-09-25 11:47:21,379 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 4 edges [2024-09-25 11:47:21,395 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 11:47:21,395 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 11:47:21,395 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 11:47:21,397 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 11:47:21,399 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:47:21,407 INFO L101 BaseMinimizeStates]: Removed 6 edges and 2 locations by large block encoding [2024-09-25 11:47:21,408 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:47:21,408 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 11:47:21,408 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 11:47:21,409 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 11:47:21,414 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 11:47:21,425 INFO L520 InvariantChecker]: The annotation(s) from entry assume_abort_if_notENTRY to error location assume_abort_if_notErr0ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-25 11:47:21,442 INFO L314 BlockEncoder]: Initial Icfg 7 locations, 8 edges [2024-09-25 11:47:21,442 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 11:47:21,442 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 11:47:21,442 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 11:47:21,442 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 11:47:21,442 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:47:21,471 INFO L101 BaseMinimizeStates]: Removed 14 edges and 5 locations by large block encoding [2024-09-25 11:47:21,471 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:47:21,471 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 11:47:21,471 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 11:47:21,471 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 11:47:21,477 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 11:47:25,483 INFO L516 InvariantChecker]: unknown inductivity: todo good error message [2024-09-25 11:47:25,496 INFO L314 BlockEncoder]: Initial Icfg 3 locations, 2 edges [2024-09-25 11:47:25,496 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 11:47:25,496 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 11:47:25,496 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 11:47:25,496 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 11:47:25,496 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:47:25,497 INFO L101 BaseMinimizeStates]: Removed 2 edges and 1 locations by large block encoding [2024-09-25 11:47:25,497 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:47:25,497 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 11:47:25,497 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 11:47:25,497 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 11:47:25,497 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 11:47:25,502 INFO L520 InvariantChecker]: The annotation(s) from entry mainENTRY to error location mainErr0REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-25 11:47:25,512 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-25 11:47:25,512 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 11:47:25,512 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 11:47:25,512 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 11:47:25,513 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 11:47:25,513 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:47:25,514 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-25 11:47:25,514 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:47:25,514 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 11:47:25,514 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 11:47:25,514 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 11:47:25,514 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 11:47:25,515 INFO L520 InvariantChecker]: The annotation(s) from entry mainENTRY to error location mainErr1REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-25 11:47:25,524 INFO L314 BlockEncoder]: Initial Icfg 8 locations, 8 edges [2024-09-25 11:47:25,524 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 11:47:25,525 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 11:47:25,525 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 11:47:25,525 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 11:47:25,525 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:47:25,546 INFO L101 BaseMinimizeStates]: Removed 14 edges and 6 locations by large block encoding [2024-09-25 11:47:25,548 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:47:25,548 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 11:47:25,548 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 11:47:25,548 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 11:47:25,553 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 11:47:25,559 INFO L520 InvariantChecker]: The annotation(s) from loop head L45-2 to loop head mainErr3ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-25 11:47:25,566 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 7 edges [2024-09-25 11:47:25,566 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 11:47:25,567 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 11:47:25,567 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 11:47:25,567 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 11:47:25,567 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:47:25,576 INFO L101 BaseMinimizeStates]: Removed 12 edges and 4 locations by large block encoding [2024-09-25 11:47:25,578 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:47:25,578 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 11:47:25,578 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 11:47:25,578 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 11:47:25,581 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 11:47:25,584 INFO L520 InvariantChecker]: The annotation(s) from loop head L36-4 to loop head mainErr3ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-25 11:47:25,593 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 4 edges [2024-09-25 11:47:25,593 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 11:47:25,593 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 11:47:25,593 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 11:47:25,594 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 11:47:25,594 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:47:25,596 INFO L101 BaseMinimizeStates]: Removed 6 edges and 3 locations by large block encoding [2024-09-25 11:47:25,596 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:47:25,597 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 11:47:25,597 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 11:47:25,597 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 11:47:25,597 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 11:47:25,598 INFO L520 InvariantChecker]: The annotation(s) from loop head L45-2 to error location mainErr4REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-25 11:47:25,604 INFO L314 BlockEncoder]: Initial Icfg 9 locations, 10 edges [2024-09-25 11:47:25,604 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 11:47:25,605 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 11:47:25,605 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 11:47:25,605 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 11:47:25,605 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:47:25,616 INFO L101 BaseMinimizeStates]: Removed 22 edges and 7 locations by large block encoding [2024-09-25 11:47:25,616 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:47:25,616 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 11:47:25,616 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 11:47:25,616 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 11:47:25,617 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 11:47:25,618 INFO L520 InvariantChecker]: The annotation(s) from loop head L45-2 to error location mainErr6ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-25 11:47:25,623 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-25 11:47:25,623 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 11:47:25,623 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 11:47:25,623 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 11:47:25,623 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 11:47:25,624 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:47:25,624 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-25 11:47:25,624 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:47:25,624 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 11:47:25,624 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 11:47:25,625 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 11:47:25,625 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 11:47:25,626 INFO L520 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to error location ULTIMATE.startErr0REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-25 11:47:25,631 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 5 edges [2024-09-25 11:47:25,631 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 11:47:25,631 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 11:47:25,631 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 11:47:25,631 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 11:47:25,631 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:47:25,633 INFO L101 BaseMinimizeStates]: Removed 8 edges and 4 locations by large block encoding [2024-09-25 11:47:25,633 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:47:25,633 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 11:47:25,633 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 11:47:25,634 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 11:47:25,634 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 11:47:25,635 INFO L520 InvariantChecker]: The annotation(s) from entry mainENTRY to loop head mainErr2ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-25 11:47:25,640 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 5 edges [2024-09-25 11:47:25,640 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 11:47:25,640 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 11:47:25,640 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 11:47:25,641 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 11:47:25,641 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:47:25,645 INFO L101 BaseMinimizeStates]: Removed 8 edges and 4 locations by large block encoding [2024-09-25 11:47:25,645 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:47:25,645 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 11:47:25,645 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 11:47:25,645 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 11:47:25,645 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 11:47:25,647 INFO L520 InvariantChecker]: The annotation(s) from loop head L36-4 to loop head mainErr2ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-25 11:47:25,653 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 5 edges [2024-09-25 11:47:25,653 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 11:47:25,653 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 11:47:25,653 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 11:47:25,653 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 11:47:25,653 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:47:25,655 INFO L101 BaseMinimizeStates]: Removed 8 edges and 3 locations by large block encoding [2024-09-25 11:47:25,655 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:47:25,655 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 11:47:25,655 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 11:47:25,655 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 11:47:25,659 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 11:47:25,660 INFO L520 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-25 11:47:25,667 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-25 11:47:25,667 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 11:47:25,667 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 11:47:25,667 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 11:47:25,667 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 11:47:25,668 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:47:25,668 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-25 11:47:25,669 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:47:25,669 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 11:47:25,669 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 11:47:25,669 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 11:47:25,670 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 11:47:25,672 INFO L520 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION is inductive. [2024-09-25 11:47:25,674 INFO L58 RefereeStarter]: Insufficient resources for checking whether annotation is a valid proof of correctness. [2024-09-25 11:47:25,675 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@47a836c2 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CFG 25.09 11:47:25, skipping insertion in model container [2024-09-25 11:47:25,675 INFO L131 PluginConnector]: ------------------------ END Referee---------------------------- [2024-09-25 11:47:25,676 INFO L158 Benchmark]: Toolchain (without parser) took 4938.43ms. Allocated memory is still 172.0MB. Free memory was 99.7MB in the beginning and 84.0MB in the end (delta: 15.7MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. [2024-09-25 11:47:25,677 INFO L158 Benchmark]: CDTParser took 0.16ms. Allocated memory is still 117.4MB. Free memory was 81.1MB in the beginning and 80.9MB in the end (delta: 139.9kB). There was no memory consumed. Max. memory is 16.1GB. [2024-09-25 11:47:25,677 INFO L158 Benchmark]: Witness Parser took 0.99ms. Allocated memory is still 172.0MB. Free memory is still 101.8MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-25 11:47:25,678 INFO L158 Benchmark]: CACSL2BoogieTranslator took 230.60ms. Allocated memory is still 172.0MB. Free memory was 99.4MB in the beginning and 85.3MB in the end (delta: 14.1MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-09-25 11:47:25,678 INFO L158 Benchmark]: Boogie Preprocessor took 33.56ms. Allocated memory is still 172.0MB. Free memory was 85.3MB in the beginning and 83.5MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-09-25 11:47:25,678 INFO L158 Benchmark]: RCFGBuilder took 280.54ms. Allocated memory is still 172.0MB. Free memory was 83.2MB in the beginning and 68.0MB in the end (delta: 15.2MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-09-25 11:47:25,679 INFO L158 Benchmark]: Referee took 4389.57ms. Allocated memory is still 172.0MB. Free memory was 68.0MB in the beginning and 84.0MB in the end (delta: -16.0MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2024-09-25 11:47:25,680 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 loop head at line 36 to loop head at line 40. 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 40 to check that procedure precondition always holds at line 41. 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 main to check that procedure precondition always holds at line 31. 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 36 to loop head at line 36. 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 entry of procedure main to loop head at line 36. 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 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: * CDTParser took 0.16ms. Allocated memory is still 117.4MB. Free memory was 81.1MB in the beginning and 80.9MB in the end (delta: 139.9kB). There was no memory consumed. Max. memory is 16.1GB. * Witness Parser took 0.99ms. Allocated memory is still 172.0MB. Free memory is still 101.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 230.60ms. Allocated memory is still 172.0MB. Free memory was 99.4MB in the beginning and 85.3MB in the end (delta: 14.1MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Preprocessor took 33.56ms. Allocated memory is still 172.0MB. Free memory was 85.3MB in the beginning and 83.5MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 280.54ms. Allocated memory is still 172.0MB. Free memory was 83.2MB in the beginning and 68.0MB in the end (delta: 15.2MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Referee took 4389.57ms. Allocated memory is still 172.0MB. Free memory was 68.0MB in the beginning and 84.0MB in the end (delta: -16.0MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-09-25 11:47:25,702 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-tmp.dk.referee-eval-fb1cb0b-m [2024-09-25 11:47:27,449 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-25 11:47:27,502 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Bitvector.epf [2024-09-25 11:47:27,507 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-25 11:47:27,508 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-25 11:47:27,524 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-25 11:47:27,526 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-25 11:47:27,526 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-25 11:47:27,526 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-25 11:47:27,527 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-25 11:47:27,527 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-25 11:47:27,529 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-25 11:47:27,529 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-25 11:47:27,530 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-25 11:47:27,530 INFO L153 SettingsManager]: * Use SBE=true [2024-09-25 11:47:27,530 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-25 11:47:27,530 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-25 11:47:27,531 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-25 11:47:27,531 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-25 11:47:27,531 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-25 11:47:27,531 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-25 11:47:27,534 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-25 11:47:27,534 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-25 11:47:27,535 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-09-25 11:47:27,535 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-09-25 11:47:27,535 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-25 11:47:27,535 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-09-25 11:47:27,535 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-25 11:47:27,536 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-25 11:47:27,536 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-25 11:47:27,536 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-25 11:47:27,536 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-25 11:47:27,536 INFO L153 SettingsManager]: * Future-live optimization=false [2024-09-25 11:47:27,536 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-25 11:47:27,537 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-25 11:47:27,537 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-25 11:47:27,537 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-25 11:47:27,537 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-25 11:47:27,537 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-25 11:47:27,538 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-09-25 11:47:27,538 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-09-25 11:47:27,539 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-25 11:47:27,539 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-25 11:47:27,539 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-25 11:47:27,540 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-25 11:47:27,540 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2024-09-25 11:47:27,540 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None [2024-09-25 11:47:27,779 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-25 11:47:27,795 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-25 11:47:27,797 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-25 11:47:27,798 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-25 11:47:27,798 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-25 11:47:27,799 INFO L431 ainManager$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 [2024-09-25 11:47:27,843 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-25 11:47:27,844 INFO L274 PluginConnector]: CDTParser initialized [2024-09-25 11:47:27,844 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/nla-digbench-scaling/divbin_unwindbound1.i [2024-09-25 11:47:29,120 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-25 11:47:29,272 INFO L384 CDTParser]: Found 1 translation units. [2024-09-25 11:47:29,273 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench-scaling/divbin_unwindbound1.i [2024-09-25 11:47:29,279 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/7fa666d3c/66a5134e81194763a5bf0ca4f9d70d0e/FLAG0fd61aad2 [2024-09-25 11:47:29,291 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/7fa666d3c/66a5134e81194763a5bf0ca4f9d70d0e [2024-09-25 11:47:29,292 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-25 11:47:29,293 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-09-25 11:47:29,295 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-25 11:47:29,295 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-25 11:47:29,299 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-25 11:47:29,300 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 25.09 11:47:27" (1/2) ... [2024-09-25 11:47:29,302 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2af5c67b and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 25.09 11:47:29, skipping insertion in model container [2024-09-25 11:47:29,302 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 25.09 11:47:27" (1/2) ... [2024-09-25 11:47:29,304 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@eb62fb5 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 25.09 11:47:29, skipping insertion in model container [2024-09-25 11:47:29,304 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 11:47:29" (2/2) ... [2024-09-25 11:47:29,305 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2af5c67b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 11:47:29, skipping insertion in model container [2024-09-25 11:47:29,305 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 11:47:29" (2/2) ... [2024-09-25 11:47:29,316 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-25 11:47:29,318 INFO L1541 ArrayList]: Loop invariant at [L36-L39] ((\old(counter) == 0) && ((((A == r) && (counter == 0)) && (q == 0)) || (((A == r) && (1 <= counter)) && (q == 0)))) [2024-09-25 11:47:29,318 INFO L1541 ArrayList]: Loop invariant at [L40-L49] ((((A == r) && (1 <= counter)) && (\old(counter) == 0)) && (q == 0)) [2024-09-25 11:47:29,318 INFO L1541 ArrayList]: Function contract at [L18]: requires (1 <= cond), ensures ((counter == \old(counter)) && (1 <= cond)) [2024-09-25 11:47:29,318 INFO L1541 ArrayList]: Function contract at [L15]: requires (counter == 0), ensures ((counter == \old(counter)) && (counter == 0)) [2024-09-25 11:47:29,318 INFO L1541 ArrayList]: Function contract at [L26]: requires (counter == 0), ensures (\old(counter) == 0) [2024-09-25 11:47:29,334 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-25 11:47:29,465 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench-scaling/divbin_unwindbound1.i[950,963] [2024-09-25 11:47:29,487 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-25 11:47:29,498 INFO L200 MainTranslator]: Completed pre-run Start Parsing Global Start Parsing Global Start Parsing Global Start Parsing Global [2024-09-25 11:47:29,532 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench-scaling/divbin_unwindbound1.i[950,963] Start Parsing Global Start Parsing Global Start Parsing Local Start Parsing Local [2024-09-25 11:47:29,542 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-25 11:47:29,554 INFO L204 MainTranslator]: Completed translation [2024-09-25 11:47:29,554 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 11:47:29 WrapperNode [2024-09-25 11:47:29,555 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-25 11:47:29,556 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-25 11:47:29,556 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-25 11:47:29,556 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-25 11:47:29,565 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 11:47:29" (1/1) ... [2024-09-25 11:47:29,565 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 11:47:29" (1/1) ... [2024-09-25 11:47:29,575 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 11:47:29" (1/1) ... [2024-09-25 11:47:29,582 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 [2024-09-25 11:47:29,583 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 11:47:29" (1/1) ... [2024-09-25 11:47:29,583 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 11:47:29" (1/1) ... [2024-09-25 11:47:29,588 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 11:47:29" (1/1) ... [2024-09-25 11:47:29,590 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 11:47:29" (1/1) ... [2024-09-25 11:47:29,591 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 11:47:29" (1/1) ... [2024-09-25 11:47:29,592 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 11:47:29" (1/1) ... [2024-09-25 11:47:29,594 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-25 11:47:29,594 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-25 11:47:29,594 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-25 11:47:29,594 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-25 11:47:29,595 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 11:47:29" (1/1) ... [2024-09-25 11:47:29,599 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-25 11:47:29,605 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-09-25 11:47:29,625 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) [2024-09-25 11:47:29,627 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 [2024-09-25 11:47:29,658 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-09-25 11:47:29,658 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-25 11:47:29,658 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-09-25 11:47:29,658 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-09-25 11:47:29,658 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-09-25 11:47:29,658 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-09-25 11:47:29,658 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-09-25 11:47:29,659 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-09-25 11:47:29,659 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_perror_fail [2024-09-25 11:47:29,659 INFO L130 BoogieDeclarations]: Found specification of procedure __assert [2024-09-25 11:47:29,659 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-09-25 11:47:29,659 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-25 11:47:29,659 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2024-09-25 11:47:29,659 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-09-25 11:47:29,659 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-09-25 11:47:29,660 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-09-25 11:47:29,660 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-09-25 11:47:29,660 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-09-25 11:47:29,660 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-25 11:47:29,660 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2024-09-25 11:47:29,660 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2024-09-25 11:47:29,660 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-09-25 11:47:29,725 INFO L241 CfgBuilder]: Building ICFG [2024-09-25 11:47:29,727 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-25 11:47:29,745 WARN L782 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-25 11:47:29,772 WARN L782 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-25 11:47:29,925 WARN L782 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-25 11:47:29,939 INFO L290 CfgBuilder]: Performing block encoding [2024-09-25 11:47:29,963 INFO L312 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-25 11:47:29,963 INFO L317 CfgBuilder]: Removed 2 assume(true) statements. [2024-09-25 11:47:29,963 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 11:47:29 BoogieIcfgContainer [2024-09-25 11:47:29,964 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-25 11:47:29,965 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-09-25 11:47:29,965 INFO L270 PluginConnector]: Initializing Referee... [2024-09-25 11:47:29,966 INFO L274 PluginConnector]: Referee initialized [2024-09-25 11:47:29,966 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 25.09 11:47:27" (1/4) ... [2024-09-25 11:47:29,966 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@4092c146 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 25.09 11:47:29, skipping insertion in model container [2024-09-25 11:47:29,966 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 25.09 11:47:29" (2/4) ... [2024-09-25 11:47:29,967 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@4092c146 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 25.09 11:47:29, skipping insertion in model container [2024-09-25 11:47:29,967 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 11:47:29" (3/4) ... [2024-09-25 11:47:29,967 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@4092c146 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 25.09 11:47:29, skipping insertion in model container [2024-09-25 11:47:29,968 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 11:47:29" (4/4) ... [2024-09-25 11:47:29,968 INFO L79 RefereeObserver]: Analyzing ICFG divbin_unwindbound1.i [2024-09-25 11:47:29,972 INFO L113 InvariantChecker]: Found 2 loops. [2024-09-25 11:47:29,973 INFO L373 InvariantChecker]: Will check inductivity from ENTRY assume_abort_if_notENTRY to ERROR_LOC assume_abort_if_notErr0ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 4 edges. [2024-09-25 11:47:29,973 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L45-2 to ERROR_LOC mainErr5REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 8 edges. [2024-09-25 11:47:29,973 INFO L373 InvariantChecker]: Will check inductivity from ENTRY mainENTRY to ERROR_LOC mainErr0REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 2 edges. [2024-09-25 11:47:29,973 INFO L373 InvariantChecker]: Will check inductivity from ENTRY mainENTRY to ERROR_LOC mainErr1REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 3 edges. [2024-09-25 11:47:29,973 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L45-2 to LOOP_INVARIANT_ERROR_LOC mainErr3ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 8 edges. [2024-09-25 11:47:29,974 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L36-4 to LOOP_INVARIANT_ERROR_LOC mainErr3ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 7 edges. [2024-09-25 11:47:29,974 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L45-2 to ERROR_LOC mainErr4REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 4 edges. [2024-09-25 11:47:29,974 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L45-2 to ERROR_LOC mainErr6ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 10 edges. [2024-09-25 11:47:29,975 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC ULTIMATE.startErr0REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 3 edges. [2024-09-25 11:47:29,975 INFO L373 InvariantChecker]: Will check inductivity from ENTRY mainENTRY to LOOP_INVARIANT_ERROR_LOC mainErr2ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 5 edges. [2024-09-25 11:47:29,975 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L36-4 to LOOP_INVARIANT_ERROR_LOC mainErr2ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 5 edges. [2024-09-25 11:47:29,975 INFO L373 InvariantChecker]: Will check inductivity from ENTRY __VERIFIER_assertENTRY to ERROR_LOC __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 5 edges. [2024-09-25 11:47:29,975 INFO L373 InvariantChecker]: Will check inductivity from ENTRY __VERIFIER_assertENTRY to ERROR_LOC __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 3 edges. [2024-09-25 11:47:29,976 INFO L131 InvariantChecker]: Will check 6 loop-free subgraphs from procedure entry to error location, 1 loop-free subgraphs from procedure entry to loop head, 3 loop-free subgraphs from loop head to error location, 3 loop-free subgraphs from loop head to loop head [2024-09-25 11:47:30,011 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 4 edges [2024-09-25 11:47:30,013 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 11:47:30,013 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 11:47:30,013 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 11:47:30,014 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 11:47:30,015 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:47:30,031 INFO L101 BaseMinimizeStates]: Removed 6 edges and 2 locations by large block encoding [2024-09-25 11:47:30,032 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:47:30,036 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 11:47:30,036 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 11:47:30,037 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 11:47:30,039 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 11:47:30,054 INFO L520 InvariantChecker]: The annotation(s) from entry assume_abort_if_notENTRY to error location assume_abort_if_notErr0ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-25 11:47:30,073 INFO L314 BlockEncoder]: Initial Icfg 7 locations, 8 edges [2024-09-25 11:47:30,075 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 11:47:30,075 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 11:47:30,075 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 11:47:30,075 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 11:47:30,075 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:47:30,094 INFO L101 BaseMinimizeStates]: Removed 14 edges and 5 locations by large block encoding [2024-09-25 11:47:30,094 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:47:30,094 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 11:47:30,095 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 11:47:30,095 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 11:47:30,098 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 11:47:30,101 INFO L520 InvariantChecker]: The annotation(s) from loop head L45-2 to error location mainErr5REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-25 11:47:30,115 INFO L314 BlockEncoder]: Initial Icfg 3 locations, 2 edges [2024-09-25 11:47:30,115 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 11:47:30,116 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 11:47:30,116 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 11:47:30,116 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 11:47:30,116 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:47:30,116 INFO L101 BaseMinimizeStates]: Removed 2 edges and 1 locations by large block encoding [2024-09-25 11:47:30,117 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:47:30,117 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 11:47:30,117 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 11:47:30,117 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 11:47:30,117 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 11:47:30,119 INFO L520 InvariantChecker]: The annotation(s) from entry mainENTRY to error location mainErr0REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-25 11:47:30,129 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-25 11:47:30,129 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 11:47:30,129 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 11:47:30,129 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 11:47:30,129 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 11:47:30,133 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:47:30,134 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-25 11:47:30,134 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:47:30,134 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 11:47:30,135 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 11:47:30,135 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 11:47:30,135 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 11:47:30,139 INFO L520 InvariantChecker]: The annotation(s) from entry mainENTRY to error location mainErr1REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-25 11:47:30,156 INFO L314 BlockEncoder]: Initial Icfg 8 locations, 8 edges [2024-09-25 11:47:30,157 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 11:47:30,157 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 11:47:30,157 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 11:47:30,157 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 11:47:30,158 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:47:30,180 INFO L101 BaseMinimizeStates]: Removed 14 edges and 6 locations by large block encoding [2024-09-25 11:47:30,180 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:47:30,180 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 11:47:30,181 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 11:47:30,181 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 11:47:30,185 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 11:47:30,188 INFO L520 InvariantChecker]: The annotation(s) from loop head L45-2 to loop head mainErr3ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-25 11:47:30,195 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 7 edges [2024-09-25 11:47:30,195 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 11:47:30,195 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 11:47:30,195 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 11:47:30,195 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 11:47:30,196 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:47:30,204 INFO L101 BaseMinimizeStates]: Removed 12 edges and 4 locations by large block encoding [2024-09-25 11:47:30,204 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:47:30,204 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 11:47:30,205 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 11:47:30,205 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 11:47:30,206 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 11:47:30,224 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 4 edges [2024-09-25 11:47:30,225 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 11:47:30,225 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 11:47:30,225 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 11:47:30,225 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 11:47:30,225 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:47:30,228 INFO L101 BaseMinimizeStates]: Removed 6 edges and 3 locations by large block encoding [2024-09-25 11:47:30,228 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:47:30,228 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 11:47:30,228 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 11:47:30,228 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 11:47:30,229 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 11:47:30,230 INFO L520 InvariantChecker]: The annotation(s) from loop head L45-2 to error location mainErr4REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-25 11:47:30,236 INFO L314 BlockEncoder]: Initial Icfg 9 locations, 10 edges [2024-09-25 11:47:30,237 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 11:47:30,237 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 11:47:30,237 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 11:47:30,237 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 11:47:30,237 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:47:30,249 INFO L101 BaseMinimizeStates]: Removed 22 edges and 7 locations by large block encoding [2024-09-25 11:47:30,249 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:47:30,249 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 11:47:30,250 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 11:47:30,250 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 11:47:30,251 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 11:47:30,252 INFO L520 InvariantChecker]: The annotation(s) from loop head L45-2 to error location mainErr6ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-25 11:47:30,260 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-25 11:47:30,261 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 11:47:30,261 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 11:47:30,261 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 11:47:30,262 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 11:47:30,262 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:47:30,262 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-25 11:47:30,262 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:47:30,263 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 11:47:30,263 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 11:47:30,263 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 11:47:30,263 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 11:47:30,265 INFO L520 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to error location ULTIMATE.startErr0REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-25 11:47:30,274 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 5 edges [2024-09-25 11:47:30,277 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 11:47:30,278 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 11:47:30,278 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 11:47:30,278 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 11:47:30,278 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:47:30,280 INFO L101 BaseMinimizeStates]: Removed 8 edges and 4 locations by large block encoding [2024-09-25 11:47:30,280 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:47:30,280 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 11:47:30,280 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 11:47:30,280 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 11:47:30,280 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 11:47:30,282 INFO L520 InvariantChecker]: The annotation(s) from entry mainENTRY to loop head mainErr2ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-25 11:47:30,290 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 5 edges [2024-09-25 11:47:30,291 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 11:47:30,291 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 11:47:30,291 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 11:47:30,291 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 11:47:30,291 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:47:30,300 INFO L101 BaseMinimizeStates]: Removed 8 edges and 4 locations by large block encoding [2024-09-25 11:47:30,301 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:47:30,302 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 11:47:30,302 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 11:47:30,302 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 11:47:30,302 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 11:47:30,305 INFO L520 InvariantChecker]: The annotation(s) from loop head L36-4 to loop head mainErr2ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-25 11:47:30,310 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 5 edges [2024-09-25 11:47:30,312 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 11:47:30,312 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 11:47:30,312 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 11:47:30,312 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 11:47:30,312 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:47:30,313 INFO L101 BaseMinimizeStates]: Removed 8 edges and 3 locations by large block encoding [2024-09-25 11:47:30,313 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:47:30,313 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 11:47:30,314 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 11:47:30,314 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 11:47:30,314 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 11:47:30,315 INFO L520 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-25 11:47:30,319 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-25 11:47:30,320 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 11:47:30,320 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 11:47:30,320 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 11:47:30,320 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 11:47:30,320 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:47:30,321 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-25 11:47:30,321 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:47:30,321 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 11:47:30,321 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 11:47:30,322 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 11:47:30,322 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 11:47:30,323 INFO L520 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION is inductive. [2024-09-25 11:47:30,330 INFO L58 RefereeStarter]: Annotation is not a valid proof of correctness. [2024-09-25 11:47:30,330 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@4092c146 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee CFG 25.09 11:47:30, skipping insertion in model container [2024-09-25 11:47:30,331 INFO L131 PluginConnector]: ------------------------ END Referee---------------------------- [2024-09-25 11:47:30,332 INFO L158 Benchmark]: Toolchain (without parser) took 1038.36ms. Allocated memory is still 96.5MB. Free memory was 72.9MB in the beginning and 64.6MB in the end (delta: 8.3MB). Peak memory consumption was 34.9MB. Max. memory is 16.1GB. [2024-09-25 11:47:30,332 INFO L158 Benchmark]: Witness Parser took 0.27ms. Allocated memory is still 60.8MB. Free memory was 41.7MB in the beginning and 41.6MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. [2024-09-25 11:47:30,332 INFO L158 Benchmark]: CDTParser took 0.13ms. Allocated memory is still 60.8MB. Free memory is still 39.5MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-25 11:47:30,333 INFO L158 Benchmark]: CACSL2BoogieTranslator took 260.19ms. Allocated memory is still 96.5MB. Free memory was 72.9MB in the beginning and 58.5MB in the end (delta: 14.4MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-09-25 11:47:30,333 INFO L158 Benchmark]: Boogie Preprocessor took 38.10ms. Allocated memory is still 96.5MB. Free memory was 58.2MB in the beginning and 56.2MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-09-25 11:47:30,334 INFO L158 Benchmark]: RCFGBuilder took 370.23ms. Allocated memory is still 96.5MB. Free memory was 56.2MB in the beginning and 65.6MB in the end (delta: -9.4MB). Peak memory consumption was 8.8MB. Max. memory is 16.1GB. [2024-09-25 11:47:30,334 INFO L158 Benchmark]: Referee took 365.79ms. Allocated memory is still 96.5MB. Free memory was 65.6MB in the beginning and 64.6MB in the end (delta: 946.6kB). Peak memory consumption was 28.3MB. Max. memory is 16.1GB. [2024-09-25 11:47:30,336 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.referee: - AnnotationCheckResult: Annotation is not a valid proof of correctness. Annotation is not a valid proof of correctness. Annotation is not valid for all loop-free paths from loop head at line 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 main to check that procedure precondition always holds at line 31. 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 40. 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 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 ULTIMATE.start to check that procedure precondition always holds at line -1. 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 36 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 entry of procedure main to loop head at line 36. Annotation is valid for all loop-free paths from loop head at line 40 to loop head at line 40. * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Witness Parser took 0.27ms. Allocated memory is still 60.8MB. Free memory was 41.7MB in the beginning and 41.6MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. * CDTParser took 0.13ms. Allocated memory is still 60.8MB. Free memory is still 39.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 260.19ms. Allocated memory is still 96.5MB. Free memory was 72.9MB in the beginning and 58.5MB in the end (delta: 14.4MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Preprocessor took 38.10ms. Allocated memory is still 96.5MB. Free memory was 58.2MB in the beginning and 56.2MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 370.23ms. Allocated memory is still 96.5MB. Free memory was 56.2MB in the beginning and 65.6MB in the end (delta: -9.4MB). Peak memory consumption was 8.8MB. Max. memory is 16.1GB. * Referee took 365.79ms. Allocated memory is still 96.5MB. Free memory was 65.6MB in the beginning and 64.6MB in the end (delta: 946.6kB). Peak memory consumption was 28.3MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be incorrect! [2024-09-25 11:47:30,362 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...