This is Ultimate 0.2.4-tmp.dk.referee-eval-27b4987-m [2024-09-21 12:48:55,948 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-21 12:48:56,012 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Default.epf [2024-09-21 12:48:56,018 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-21 12:48:56,020 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-21 12:48:56,039 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-21 12:48:56,041 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-21 12:48:56,041 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-21 12:48:56,042 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-21 12:48:56,044 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-21 12:48:56,045 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-21 12:48:56,045 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-21 12:48:56,045 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-21 12:48:56,046 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-21 12:48:56,046 INFO L153 SettingsManager]: * Use SBE=true [2024-09-21 12:48:56,049 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-21 12:48:56,049 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-21 12:48:56,049 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-21 12:48:56,050 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-09-21 12:48:56,050 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-21 12:48:56,050 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-21 12:48:56,051 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-21 12:48:56,051 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-21 12:48:56,051 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-21 12:48:56,051 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-21 12:48:56,051 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-21 12:48:56,052 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-21 12:48:56,052 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-21 12:48:56,052 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-21 12:48:56,052 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-21 12:48:56,052 INFO L153 SettingsManager]: * Future-live optimization=false [2024-09-21 12:48:56,052 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-21 12:48:56,053 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-21 12:48:56,053 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-21 12:48:56,053 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-21 12:48:56,053 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-21 12:48:56,055 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-21 12:48:56,056 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-09-21 12:48:56,056 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-09-21 12:48:56,056 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-21 12:48:56,056 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-21 12:48:56,057 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-21 12:48:56,057 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-21 12:48:56,057 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/certificate-witnesses-artifact/referee/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None [2024-09-21 12:48:56,342 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-21 12:48:56,367 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-21 12:48:56,370 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-21 12:48:56,371 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-21 12:48:56,372 INFO L274 PluginConnector]: CDTParser initialized [2024-09-21 12:48:56,373 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/nla-digbench-scaling/divbin2_unwindbound1.i [2024-09-21 12:48:57,783 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-21 12:48:57,982 INFO L384 CDTParser]: Found 1 translation units. [2024-09-21 12:48:57,983 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench-scaling/divbin2_unwindbound1.i [2024-09-21 12:48:57,989 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/b4251d6c0/cc5a62dd1b884ea7b2fd8f031244faf2/FLAG639905b77 [2024-09-21 12:48:58,368 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/b4251d6c0/cc5a62dd1b884ea7b2fd8f031244faf2 [2024-09-21 12:48:58,371 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-21 12:48:58,371 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-21 12:48:58,374 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/automizer-verification-files/SV-COMP24_unreach-call/divbin2_unwindbound1.yml/witness-2.1.yml [2024-09-21 12:48:58,446 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-21 12:48:58,447 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-09-21 12:48:58,448 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-21 12:48:58,448 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-21 12:48:58,453 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-21 12:48:58,453 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 12:48:58" (1/2) ... [2024-09-21 12:48:58,454 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7bd942d5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:48:58, skipping insertion in model container [2024-09-21 12:48:58,454 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 12:48:58" (1/2) ... [2024-09-21 12:48:58,455 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@22c83682 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:48:58, skipping insertion in model container [2024-09-21 12:48:58,455 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 21.09 12:48:58" (2/2) ... [2024-09-21 12:48:58,456 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7bd942d5 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 21.09 12:48:58, skipping insertion in model container [2024-09-21 12:48:58,456 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 21.09 12:48:58" (2/2) ... [2024-09-21 12:48:58,469 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-21 12:48:58,472 INFO L1541 ArrayList]: Loop invariant at [L38-L47] ((((A == r) && (1 <= counter)) && (\old(counter) == 0)) && (q == 0)) [2024-09-21 12:48:58,472 INFO L1541 ArrayList]: Loop invariant at [L34-L37] ((\old(counter) == 0) && ((((A == r) && (counter == 0)) && (q == 0)) || (((A == r) && (1 <= counter)) && (q == 0)))) [2024-09-21 12:48:58,473 INFO L1541 ArrayList]: Function contract at [L18]: requires ((1 <= counter) && (1 <= cond)), ensures ((1 <= counter) && (1 <= cond)) [2024-09-21 12:48:58,473 INFO L1541 ArrayList]: Function contract at [L26]: requires (counter == 0), ensures (\old(counter) == 0) [2024-09-21 12:48:58,490 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-21 12:48:58,632 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/divbin2_unwindbound1.i[951,964] [2024-09-21 12:48:58,650 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-21 12:48:58,658 INFO L200 MainTranslator]: Completed pre-run Start Parsing Global Start Parsing Global [2024-09-21 12:48:58,696 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/divbin2_unwindbound1.i[951,964] Start Parsing Global Start Parsing Global Start Parsing Local Start Parsing Local [2024-09-21 12:48:58,715 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-21 12:48:58,732 INFO L204 MainTranslator]: Completed translation [2024-09-21 12:48:58,732 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 21.09 12:48:58 WrapperNode [2024-09-21 12:48:58,733 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-21 12:48:58,734 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-21 12:48:58,734 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-21 12:48:58,734 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-21 12:48:58,747 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 21.09 12:48:58" (1/1) ... [2024-09-21 12:48:58,748 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 21.09 12:48:58" (1/1) ... [2024-09-21 12:48:58,754 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 21.09 12:48:58" (1/1) ... [2024-09-21 12:48:58,768 WARN L109 MemorySlicer]: Omit memory slicing because it failed with the following exception: Unsupported: Procedure __VERIFIER_assert is not part of the Ultimate memory model but has specification other that is not a ModifiesSpecification [2024-09-21 12:48:58,769 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 21.09 12:48:58" (1/1) ... [2024-09-21 12:48:58,769 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 21.09 12:48:58" (1/1) ... [2024-09-21 12:48:58,773 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 21.09 12:48:58" (1/1) ... [2024-09-21 12:48:58,778 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 21.09 12:48:58" (1/1) ... [2024-09-21 12:48:58,784 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 21.09 12:48:58" (1/1) ... [2024-09-21 12:48:58,785 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 21.09 12:48:58" (1/1) ... [2024-09-21 12:48:58,788 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-21 12:48:58,789 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-21 12:48:58,789 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-21 12:48:58,789 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-21 12:48:58,790 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 21.09 12:48:58" (1/1) ... [2024-09-21 12:48:58,796 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-21 12:48:58,805 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-09-21 12:48:58,821 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/certificate-witnesses-artifact/referee/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-09-21 12:48:58,826 INFO L327 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/referee/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-09-21 12:48:58,870 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-09-21 12:48:58,871 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-21 12:48:58,871 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-09-21 12:48:58,872 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-09-21 12:48:58,872 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-09-21 12:48:58,872 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-09-21 12:48:58,873 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-09-21 12:48:58,873 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-09-21 12:48:58,873 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_perror_fail [2024-09-21 12:48:58,873 INFO L130 BoogieDeclarations]: Found specification of procedure __assert [2024-09-21 12:48:58,873 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-09-21 12:48:58,873 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-21 12:48:58,873 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2024-09-21 12:48:58,873 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-09-21 12:48:58,874 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-09-21 12:48:58,874 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-09-21 12:48:58,874 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-09-21 12:48:58,874 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-09-21 12:48:58,874 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-21 12:48:58,874 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-09-21 12:48:58,874 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-09-21 12:48:58,874 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-09-21 12:48:58,942 INFO L242 CfgBuilder]: Building ICFG [2024-09-21 12:48:58,945 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-21 12:48:58,983 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-21 12:48:59,091 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-21 12:48:59,104 INFO L291 CfgBuilder]: Performing block encoding [2024-09-21 12:48:59,132 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-21 12:48:59,132 INFO L318 CfgBuilder]: Removed 2 assume(true) statements. [2024-09-21 12:48:59,133 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 12:48:59 BoogieIcfgContainer [2024-09-21 12:48:59,133 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-21 12:48:59,134 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-09-21 12:48:59,134 INFO L270 PluginConnector]: Initializing Referee... [2024-09-21 12:48:59,134 INFO L274 PluginConnector]: Referee initialized [2024-09-21 12:48:59,134 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 21.09 12:48:58" (1/4) ... [2024-09-21 12:48:59,138 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@167eff02 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 21.09 12:48:59, skipping insertion in model container [2024-09-21 12:48:59,138 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 21.09 12:48:58" (2/4) ... [2024-09-21 12:48:59,139 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@167eff02 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 21.09 12:48:59, skipping insertion in model container [2024-09-21 12:48:59,139 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 21.09 12:48:58" (3/4) ... [2024-09-21 12:48:59,139 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@167eff02 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 21.09 12:48:59, skipping insertion in model container [2024-09-21 12:48:59,140 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 12:48:59" (4/4) ... [2024-09-21 12:48:59,142 INFO L79 RefereeObserver]: Analyzing ICFG divbin2_unwindbound1.i [2024-09-21 12:48:59,145 INFO L113 InvariantChecker]: Found 2 loops. [2024-09-21 12:48:59,146 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L43-2 to ERROR_LOC mainErr4ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 10 edges. [2024-09-21 12:48:59,146 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L43-2 to ERROR_LOC mainErr2REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 4 edges. [2024-09-21 12:48:59,146 INFO L373 InvariantChecker]: Will check inductivity from ENTRY mainENTRY to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 2 edges. [2024-09-21 12:48:59,146 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L34-4 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 5 edges. [2024-09-21 12:48:59,146 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC ULTIMATE.startErr0REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 3 edges. [2024-09-21 12:48:59,147 INFO L373 InvariantChecker]: Will check inductivity from ENTRY __VERIFIER_assertENTRY to ERROR_LOC __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 5 edges. [2024-09-21 12:48:59,147 INFO L373 InvariantChecker]: Will check inductivity from ENTRY __VERIFIER_assertENTRY to ERROR_LOC __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 3 edges. [2024-09-21 12:48:59,147 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L34-4 to LOOP_INVARIANT_ERROR_LOC mainErr1ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 7 edges. [2024-09-21 12:48:59,147 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L43-2 to LOOP_INVARIANT_ERROR_LOC mainErr1ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 8 edges. [2024-09-21 12:48:59,147 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L43-2 to ERROR_LOC mainErr3REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 8 edges. [2024-09-21 12:48:59,148 INFO L131 InvariantChecker]: Will check 3 loop-free subgraphs from loop head to loop head, 3 loop-free subgraphs from procedure entry to error location, 3 loop-free subgraphs from loop head to error location, 1 loop-free subgraphs from procedure entry to loop head [2024-09-21 12:48:59,202 INFO L314 BlockEncoder]: Initial Icfg 9 locations, 10 edges [2024-09-21 12:48:59,204 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 12:48:59,204 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 12:48:59,205 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 12:48:59,205 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 12:48:59,207 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:48:59,259 INFO L101 BaseMinimizeStates]: Removed 22 edges and 7 locations by large block encoding [2024-09-21 12:48:59,260 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:48:59,260 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 12:48:59,260 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 12:48:59,261 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 12:48:59,266 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 12:48:59,289 INFO L520 InvariantChecker]: The annotation(s) from loop head L43-2 to error location mainErr4ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-21 12:48:59,319 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 4 edges [2024-09-21 12:48:59,320 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 12:48:59,320 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 12:48:59,320 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 12:48:59,323 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 12:48:59,324 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:48:59,339 INFO L101 BaseMinimizeStates]: Removed 6 edges and 3 locations by large block encoding [2024-09-21 12:48:59,339 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:48:59,339 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 12:48:59,339 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 12:48:59,342 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 12:48:59,342 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 12:48:59,346 INFO L520 InvariantChecker]: The annotation(s) from loop head L43-2 to error location mainErr2REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-21 12:48:59,363 INFO L314 BlockEncoder]: Initial Icfg 3 locations, 2 edges [2024-09-21 12:48:59,364 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 12:48:59,364 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 12:48:59,364 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 12:48:59,364 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 12:48:59,364 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:48:59,367 INFO L101 BaseMinimizeStates]: Removed 2 edges and 1 locations by large block encoding [2024-09-21 12:48:59,367 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:48:59,367 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 12:48:59,367 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 12:48:59,367 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 12:48:59,367 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 12:48:59,374 INFO L520 InvariantChecker]: The annotation(s) from entry mainENTRY to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-21 12:48:59,397 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 5 edges [2024-09-21 12:48:59,398 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 12:48:59,399 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 12:48:59,399 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 12:48:59,399 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 12:48:59,399 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:48:59,410 INFO L101 BaseMinimizeStates]: Removed 8 edges and 4 locations by large block encoding [2024-09-21 12:48:59,412 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:48:59,413 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 12:48:59,413 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 12:48:59,413 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 12:48:59,413 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 12:48:59,420 INFO L520 InvariantChecker]: The annotation(s) from loop head L34-4 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-21 12:48:59,436 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-21 12:48:59,436 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 12:48:59,436 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 12:48:59,436 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 12:48:59,436 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 12:48:59,437 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:48:59,438 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-21 12:48:59,439 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:48:59,439 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 12:48:59,440 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 12:48:59,440 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 12:48:59,440 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 12:48:59,441 INFO L520 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to error location ULTIMATE.startErr0REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-21 12:48:59,469 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 5 edges [2024-09-21 12:48:59,469 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 12:48:59,470 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 12:48:59,470 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 12:48:59,470 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 12:48:59,470 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:48:59,492 INFO L101 BaseMinimizeStates]: Removed 8 edges and 3 locations by large block encoding [2024-09-21 12:48:59,492 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:48:59,492 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 12:48:59,493 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 12:48:59,493 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 12:48:59,493 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 12:48:59,496 INFO L520 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-21 12:48:59,510 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-21 12:48:59,511 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 12:48:59,511 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 12:48:59,511 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 12:48:59,512 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 12:48:59,512 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:48:59,513 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-21 12:48:59,513 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:48:59,514 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 12:48:59,514 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 12:48:59,514 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 12:48:59,514 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 12:48:59,517 INFO L520 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION is inductive. [2024-09-21 12:48:59,529 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 7 edges [2024-09-21 12:48:59,529 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 12:48:59,530 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 12:48:59,532 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 12:48:59,533 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 12:48:59,533 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:48:59,546 INFO L101 BaseMinimizeStates]: Removed 12 edges and 4 locations by large block encoding [2024-09-21 12:48:59,546 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:48:59,546 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 12:48:59,546 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 12:48:59,547 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 12:48:59,549 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 12:48:59,551 INFO L520 InvariantChecker]: The annotation(s) from loop head L34-4 to loop head mainErr1ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-21 12:48:59,561 INFO L314 BlockEncoder]: Initial Icfg 8 locations, 8 edges [2024-09-21 12:48:59,561 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 12:48:59,561 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 12:48:59,562 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 12:48:59,562 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 12:48:59,562 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:48:59,579 INFO L101 BaseMinimizeStates]: Removed 14 edges and 6 locations by large block encoding [2024-09-21 12:48:59,580 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:48:59,580 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 12:48:59,580 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 12:48:59,580 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 12:48:59,585 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 12:48:59,587 INFO L520 InvariantChecker]: The annotation(s) from loop head L43-2 to loop head mainErr1ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-21 12:48:59,595 INFO L314 BlockEncoder]: Initial Icfg 7 locations, 8 edges [2024-09-21 12:48:59,596 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 12:48:59,596 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 12:48:59,596 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 12:48:59,596 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 12:48:59,596 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:48:59,607 INFO L101 BaseMinimizeStates]: Removed 14 edges and 5 locations by large block encoding [2024-09-21 12:48:59,607 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:48:59,607 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 12:48:59,608 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 12:48:59,608 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 12:48:59,611 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 12:49:03,613 INFO L516 InvariantChecker]: unknown inductivity: todo good error message [2024-09-21 12:49:03,618 INFO L58 RefereeStarter]: Insufficient resources for checking whether annotation is a valid proof of correctness. [2024-09-21 12:49:03,618 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@167eff02 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CFG 21.09 12:49:03, skipping insertion in model container [2024-09-21 12:49:03,618 INFO L131 PluginConnector]: ------------------------ END Referee---------------------------- [2024-09-21 12:49:03,620 INFO L158 Benchmark]: Toolchain (without parser) took 5172.35ms. Allocated memory is still 144.7MB. Free memory was 114.0MB in the beginning and 90.4MB in the end (delta: 23.6MB). Peak memory consumption was 64.6MB. Max. memory is 16.1GB. [2024-09-21 12:49:03,620 INFO L158 Benchmark]: CDTParser took 0.17ms. Allocated memory is still 96.5MB. Free memory was 59.6MB in the beginning and 59.6MB in the end (delta: 23.0kB). There was no memory consumed. Max. memory is 16.1GB. [2024-09-21 12:49:03,620 INFO L158 Benchmark]: Witness Parser took 0.10ms. Allocated memory is still 144.7MB. Free memory is still 116.7MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-21 12:49:03,621 INFO L158 Benchmark]: CACSL2BoogieTranslator took 285.16ms. Allocated memory is still 144.7MB. Free memory was 114.0MB in the beginning and 99.7MB in the end (delta: 14.3MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-09-21 12:49:03,621 INFO L158 Benchmark]: Boogie Preprocessor took 54.76ms. Allocated memory is still 144.7MB. Free memory was 99.7MB in the beginning and 97.8MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-09-21 12:49:03,622 INFO L158 Benchmark]: RCFGBuilder took 344.16ms. Allocated memory is still 144.7MB. Free memory was 97.2MB in the beginning and 83.2MB in the end (delta: 14.1MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-09-21 12:49:03,622 INFO L158 Benchmark]: Referee took 4484.81ms. Allocated memory is still 144.7MB. Free memory was 83.2MB in the beginning and 90.4MB in the end (delta: -7.2MB). Peak memory consumption was 33.2MB. Max. memory is 16.1GB. [2024-09-21 12:49:03,625 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 38 to check that procedure precondition always holds at line 38. Annotation is valid for all loop-free paths from entry of procedure __VERIFIER_assert to check that a call to reach_error is unreachable at line 20. Annotation is valid for all loop-free paths from entry of procedure __VERIFIER_assert to exit of procedure __VERIFIER_assert. Annotation is valid for all loop-free paths from loop head at line 38 to check that procedure precondition always holds at line 39. Annotation is valid for all loop-free paths from entry of procedure ULTIMATE.start to check that procedure precondition always holds at line -1. Annotation is valid for all loop-free paths from loop head at line 34 to loop head at line 34. Annotation is valid for all loop-free paths from loop head at line 38 to loop head at line 38. Annotation is valid for all loop-free paths from loop head at line 38 to exit of procedure main. Annotation is valid for all loop-free paths from entry of procedure main to loop head at line 34. Annotation is valid for all loop-free paths from loop head at line 34 to loop head at line 38. * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17ms. Allocated memory is still 96.5MB. Free memory was 59.6MB in the beginning and 59.6MB in the end (delta: 23.0kB). There was no memory consumed. Max. memory is 16.1GB. * Witness Parser took 0.10ms. Allocated memory is still 144.7MB. Free memory is still 116.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 285.16ms. Allocated memory is still 144.7MB. Free memory was 114.0MB in the beginning and 99.7MB in the end (delta: 14.3MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Preprocessor took 54.76ms. Allocated memory is still 144.7MB. Free memory was 99.7MB in the beginning and 97.8MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 344.16ms. Allocated memory is still 144.7MB. Free memory was 97.2MB in the beginning and 83.2MB in the end (delta: 14.1MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Referee took 4484.81ms. Allocated memory is still 144.7MB. Free memory was 83.2MB in the beginning and 90.4MB in the end (delta: -7.2MB). Peak memory consumption was 33.2MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-09-21 12:49:03,643 INFO L552 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/referee/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... ### Bit-precise run ### This is Ultimate 0.2.4-tmp.dk.referee-eval-27b4987-m [2024-09-21 12:49:05,852 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-21 12:49:05,907 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Bitvector.epf [2024-09-21 12:49:05,911 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-21 12:49:05,911 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-21 12:49:05,937 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-21 12:49:05,937 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-21 12:49:05,938 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-21 12:49:05,939 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-21 12:49:05,939 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-21 12:49:05,939 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-21 12:49:05,940 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-21 12:49:05,940 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-21 12:49:05,941 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-21 12:49:05,941 INFO L153 SettingsManager]: * Use SBE=true [2024-09-21 12:49:05,942 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-21 12:49:05,944 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-21 12:49:05,944 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-21 12:49:05,945 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-21 12:49:05,945 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-21 12:49:05,945 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-21 12:49:05,946 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-21 12:49:05,946 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-21 12:49:05,950 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-09-21 12:49:05,950 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-09-21 12:49:05,950 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-21 12:49:05,951 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-09-21 12:49:05,951 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-21 12:49:05,951 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-21 12:49:05,951 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-21 12:49:05,952 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-21 12:49:05,952 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-21 12:49:05,952 INFO L153 SettingsManager]: * Future-live optimization=false [2024-09-21 12:49:05,952 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-21 12:49:05,953 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-21 12:49:05,953 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-21 12:49:05,953 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-21 12:49:05,953 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-21 12:49:05,954 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-21 12:49:05,954 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-09-21 12:49:05,954 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-09-21 12:49:05,955 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-21 12:49:05,955 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-21 12:49:05,955 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-21 12:49:05,955 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-21 12:49:05,956 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2024-09-21 12:49:05,956 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/certificate-witnesses-artifact/referee/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None [2024-09-21 12:49:06,289 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-21 12:49:06,315 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-21 12:49:06,319 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-21 12:49:06,320 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-21 12:49:06,321 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-21 12:49:06,322 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/automizer-verification-files/SV-COMP24_unreach-call/divbin2_unwindbound1.yml/witness-2.1.yml [2024-09-21 12:49:06,373 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-21 12:49:06,374 INFO L274 PluginConnector]: CDTParser initialized [2024-09-21 12:49:06,374 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/nla-digbench-scaling/divbin2_unwindbound1.i [2024-09-21 12:49:07,846 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-21 12:49:08,049 INFO L384 CDTParser]: Found 1 translation units. [2024-09-21 12:49:08,051 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench-scaling/divbin2_unwindbound1.i [2024-09-21 12:49:08,058 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/b85075c6a/e4f7694618a4458fa28bb4c3fb682fb6/FLAG3615f82e2 [2024-09-21 12:49:08,410 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/b85075c6a/e4f7694618a4458fa28bb4c3fb682fb6 [2024-09-21 12:49:08,410 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-21 12:49:08,412 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-09-21 12:49:08,413 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-21 12:49:08,413 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-21 12:49:08,420 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-21 12:49:08,421 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 21.09 12:49:06" (1/2) ... [2024-09-21 12:49:08,422 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2dfe2275 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 21.09 12:49:08, skipping insertion in model container [2024-09-21 12:49:08,422 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 21.09 12:49:06" (1/2) ... [2024-09-21 12:49:08,423 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@3c174411 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 21.09 12:49:08, skipping insertion in model container [2024-09-21 12:49:08,423 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 12:49:08" (2/2) ... [2024-09-21 12:49:08,424 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2dfe2275 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:49:08, skipping insertion in model container [2024-09-21 12:49:08,424 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 12:49:08" (2/2) ... [2024-09-21 12:49:08,436 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-21 12:49:08,437 INFO L1541 ArrayList]: Loop invariant at [L38-L47] ((((A == r) && (1 <= counter)) && (\old(counter) == 0)) && (q == 0)) [2024-09-21 12:49:08,437 INFO L1541 ArrayList]: Loop invariant at [L34-L37] ((\old(counter) == 0) && ((((A == r) && (counter == 0)) && (q == 0)) || (((A == r) && (1 <= counter)) && (q == 0)))) [2024-09-21 12:49:08,437 INFO L1541 ArrayList]: Function contract at [L26]: requires (counter == 0), ensures (\old(counter) == 0) [2024-09-21 12:49:08,437 INFO L1541 ArrayList]: Function contract at [L18]: requires ((1 <= counter) && (1 <= cond)), ensures ((1 <= counter) && (1 <= cond)) [2024-09-21 12:49:08,456 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-21 12:49:08,631 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/divbin2_unwindbound1.i[951,964] [2024-09-21 12:49:08,653 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-21 12:49:08,665 INFO L200 MainTranslator]: Completed pre-run Start Parsing Global Start Parsing Global [2024-09-21 12:49:08,705 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/divbin2_unwindbound1.i[951,964] Start Parsing Global Start Parsing Global Start Parsing Local Start Parsing Local [2024-09-21 12:49:08,719 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-21 12:49:08,739 INFO L204 MainTranslator]: Completed translation [2024-09-21 12:49:08,739 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:49:08 WrapperNode [2024-09-21 12:49:08,740 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-21 12:49:08,741 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-21 12:49:08,741 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-21 12:49:08,741 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-21 12:49:08,754 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:49:08" (1/1) ... [2024-09-21 12:49:08,754 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:49:08" (1/1) ... [2024-09-21 12:49:08,763 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:49:08" (1/1) ... [2024-09-21 12:49:08,773 WARN L109 MemorySlicer]: Omit memory slicing because it failed with the following exception: Unsupported: Procedure __VERIFIER_assert is not part of the Ultimate memory model but has specification other that is not a ModifiesSpecification [2024-09-21 12:49:08,777 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:49:08" (1/1) ... [2024-09-21 12:49:08,778 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:49:08" (1/1) ... [2024-09-21 12:49:08,786 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:49:08" (1/1) ... [2024-09-21 12:49:08,793 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:49:08" (1/1) ... [2024-09-21 12:49:08,795 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:49:08" (1/1) ... [2024-09-21 12:49:08,800 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:49:08" (1/1) ... [2024-09-21 12:49:08,802 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-21 12:49:08,803 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-21 12:49:08,803 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-21 12:49:08,803 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-21 12:49:08,804 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:49:08" (1/1) ... [2024-09-21 12:49:08,811 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-21 12:49:08,820 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-09-21 12:49:08,837 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/certificate-witnesses-artifact/referee/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-09-21 12:49:08,841 INFO L327 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/referee/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-09-21 12:49:08,884 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-09-21 12:49:08,884 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-21 12:49:08,885 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-09-21 12:49:08,885 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-09-21 12:49:08,885 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-09-21 12:49:08,885 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-09-21 12:49:08,885 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-09-21 12:49:08,885 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-09-21 12:49:08,885 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_perror_fail [2024-09-21 12:49:08,886 INFO L130 BoogieDeclarations]: Found specification of procedure __assert [2024-09-21 12:49:08,886 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-09-21 12:49:08,886 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-21 12:49:08,886 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2024-09-21 12:49:08,887 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-09-21 12:49:08,887 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-09-21 12:49:08,887 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-09-21 12:49:08,887 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-09-21 12:49:08,888 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-09-21 12:49:08,888 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-21 12:49:08,888 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2024-09-21 12:49:08,888 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2024-09-21 12:49:08,889 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-09-21 12:49:08,961 INFO L242 CfgBuilder]: Building ICFG [2024-09-21 12:49:08,964 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-21 12:49:09,012 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-21 12:49:09,232 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-21 12:49:09,245 INFO L291 CfgBuilder]: Performing block encoding [2024-09-21 12:49:09,277 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-21 12:49:09,278 INFO L318 CfgBuilder]: Removed 2 assume(true) statements. [2024-09-21 12:49:09,279 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 12:49:09 BoogieIcfgContainer [2024-09-21 12:49:09,279 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-21 12:49:09,280 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-09-21 12:49:09,280 INFO L270 PluginConnector]: Initializing Referee... [2024-09-21 12:49:09,280 INFO L274 PluginConnector]: Referee initialized [2024-09-21 12:49:09,281 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 21.09 12:49:06" (1/4) ... [2024-09-21 12:49:09,281 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@4a760503 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 21.09 12:49:09, skipping insertion in model container [2024-09-21 12:49:09,282 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 21.09 12:49:08" (2/4) ... [2024-09-21 12:49:09,283 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@4a760503 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 21.09 12:49:09, skipping insertion in model container [2024-09-21 12:49:09,283 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:49:08" (3/4) ... [2024-09-21 12:49:09,283 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@4a760503 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 21.09 12:49:09, skipping insertion in model container [2024-09-21 12:49:09,283 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 12:49:09" (4/4) ... [2024-09-21 12:49:09,284 INFO L79 RefereeObserver]: Analyzing ICFG divbin2_unwindbound1.i [2024-09-21 12:49:09,287 INFO L113 InvariantChecker]: Found 2 loops. [2024-09-21 12:49:09,288 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L43-2 to ERROR_LOC mainErr4ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 10 edges. [2024-09-21 12:49:09,288 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L43-2 to ERROR_LOC mainErr2REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 4 edges. [2024-09-21 12:49:09,288 INFO L373 InvariantChecker]: Will check inductivity from ENTRY mainENTRY to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 2 edges. [2024-09-21 12:49:09,289 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L34-4 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 5 edges. [2024-09-21 12:49:09,289 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC ULTIMATE.startErr0REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 3 edges. [2024-09-21 12:49:09,289 INFO L373 InvariantChecker]: Will check inductivity from ENTRY __VERIFIER_assertENTRY to ERROR_LOC __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 5 edges. [2024-09-21 12:49:09,289 INFO L373 InvariantChecker]: Will check inductivity from ENTRY __VERIFIER_assertENTRY to ERROR_LOC __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 3 edges. [2024-09-21 12:49:09,289 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L34-4 to LOOP_INVARIANT_ERROR_LOC mainErr1ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 7 edges. [2024-09-21 12:49:09,289 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L43-2 to LOOP_INVARIANT_ERROR_LOC mainErr1ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 8 edges. [2024-09-21 12:49:09,290 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L43-2 to ERROR_LOC mainErr3REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 8 edges. [2024-09-21 12:49:09,290 INFO L131 InvariantChecker]: Will check 3 loop-free subgraphs from loop head to loop head, 3 loop-free subgraphs from loop head to error location, 3 loop-free subgraphs from procedure entry to error location, 1 loop-free subgraphs from procedure entry to loop head [2024-09-21 12:49:09,337 INFO L314 BlockEncoder]: Initial Icfg 9 locations, 10 edges [2024-09-21 12:49:09,338 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 12:49:09,338 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 12:49:09,339 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 12:49:09,340 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 12:49:09,342 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:49:09,400 INFO L101 BaseMinimizeStates]: Removed 22 edges and 7 locations by large block encoding [2024-09-21 12:49:09,401 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:49:09,401 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 12:49:09,401 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 12:49:09,405 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 12:49:09,410 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 12:49:09,422 INFO L520 InvariantChecker]: The annotation(s) from loop head L43-2 to error location mainErr4ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-21 12:49:09,438 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 4 edges [2024-09-21 12:49:09,439 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 12:49:09,439 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 12:49:09,439 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 12:49:09,439 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 12:49:09,439 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:49:09,449 INFO L101 BaseMinimizeStates]: Removed 6 edges and 3 locations by large block encoding [2024-09-21 12:49:09,449 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:49:09,449 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 12:49:09,450 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 12:49:09,450 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 12:49:09,450 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 12:49:09,453 INFO L520 InvariantChecker]: The annotation(s) from loop head L43-2 to error location mainErr2REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-21 12:49:09,466 INFO L314 BlockEncoder]: Initial Icfg 3 locations, 2 edges [2024-09-21 12:49:09,466 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 12:49:09,467 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 12:49:09,467 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 12:49:09,467 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 12:49:09,467 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:49:09,469 INFO L101 BaseMinimizeStates]: Removed 2 edges and 1 locations by large block encoding [2024-09-21 12:49:09,470 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:49:09,470 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 12:49:09,470 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 12:49:09,470 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 12:49:09,470 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 12:49:09,480 INFO L520 InvariantChecker]: The annotation(s) from entry mainENTRY to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-21 12:49:09,502 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 5 edges [2024-09-21 12:49:09,509 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 12:49:09,509 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 12:49:09,510 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 12:49:09,510 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 12:49:09,510 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:49:09,523 INFO L101 BaseMinimizeStates]: Removed 8 edges and 4 locations by large block encoding [2024-09-21 12:49:09,528 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:49:09,528 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 12:49:09,529 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 12:49:09,529 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 12:49:09,529 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 12:49:09,535 INFO L520 InvariantChecker]: The annotation(s) from loop head L34-4 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-21 12:49:09,561 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-21 12:49:09,562 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 12:49:09,562 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 12:49:09,562 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 12:49:09,563 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 12:49:09,563 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:49:09,564 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-21 12:49:09,564 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:49:09,564 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 12:49:09,564 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 12:49:09,564 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 12:49:09,564 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 12:49:09,567 INFO L520 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to error location ULTIMATE.startErr0REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-21 12:49:09,580 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 5 edges [2024-09-21 12:49:09,582 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 12:49:09,582 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 12:49:09,583 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 12:49:09,583 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 12:49:09,583 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:49:09,586 INFO L101 BaseMinimizeStates]: Removed 8 edges and 3 locations by large block encoding [2024-09-21 12:49:09,588 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:49:09,588 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 12:49:09,589 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 12:49:09,589 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 12:49:09,590 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 12:49:09,593 INFO L520 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-21 12:49:09,604 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-21 12:49:09,604 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 12:49:09,604 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 12:49:09,604 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 12:49:09,605 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 12:49:09,605 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:49:09,606 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-21 12:49:09,606 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:49:09,606 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 12:49:09,606 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 12:49:09,607 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 12:49:09,607 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 12:49:09,608 INFO L520 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION is inductive. [2024-09-21 12:49:09,617 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 7 edges [2024-09-21 12:49:09,618 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 12:49:09,618 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 12:49:09,618 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 12:49:09,618 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 12:49:09,618 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:49:09,627 INFO L101 BaseMinimizeStates]: Removed 12 edges and 4 locations by large block encoding [2024-09-21 12:49:09,627 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:49:09,627 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 12:49:09,628 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 12:49:09,628 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 12:49:09,630 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 12:49:09,657 INFO L314 BlockEncoder]: Initial Icfg 8 locations, 8 edges [2024-09-21 12:49:09,657 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 12:49:09,657 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 12:49:09,657 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 12:49:09,658 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 12:49:09,658 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:49:09,678 INFO L101 BaseMinimizeStates]: Removed 14 edges and 6 locations by large block encoding [2024-09-21 12:49:09,679 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:49:09,679 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 12:49:09,679 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 12:49:09,679 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 12:49:09,683 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 12:49:09,688 INFO L520 InvariantChecker]: The annotation(s) from loop head L43-2 to loop head mainErr1ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-21 12:49:09,697 INFO L314 BlockEncoder]: Initial Icfg 7 locations, 8 edges [2024-09-21 12:49:09,698 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 12:49:09,698 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 12:49:09,698 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 12:49:09,698 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 12:49:09,698 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:49:09,709 INFO L101 BaseMinimizeStates]: Removed 14 edges and 5 locations by large block encoding [2024-09-21 12:49:09,709 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:49:09,710 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 12:49:09,710 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 12:49:09,710 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 12:49:09,714 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 12:49:09,734 INFO L58 RefereeStarter]: Annotation is not a valid proof of correctness. [2024-09-21 12:49:09,734 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@4a760503 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee CFG 21.09 12:49:09, skipping insertion in model container [2024-09-21 12:49:09,734 INFO L131 PluginConnector]: ------------------------ END Referee---------------------------- [2024-09-21 12:49:09,736 INFO L158 Benchmark]: Toolchain (without parser) took 1323.45ms. Allocated memory is still 94.4MB. Free memory was 72.8MB in the beginning and 43.1MB in the end (delta: 29.7MB). Peak memory consumption was 32.4MB. Max. memory is 16.1GB. [2024-09-21 12:49:09,736 INFO L158 Benchmark]: Witness Parser took 0.20ms. 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. [2024-09-21 12:49:09,737 INFO L158 Benchmark]: CDTParser took 0.09ms. Allocated memory is still 60.8MB. Free memory was 39.6MB in the beginning and 39.5MB in the end (delta: 84.0kB). There was no memory consumed. Max. memory is 16.1GB. [2024-09-21 12:49:09,737 INFO L158 Benchmark]: CACSL2BoogieTranslator took 327.30ms. Allocated memory is still 94.4MB. Free memory was 72.8MB in the beginning and 58.4MB in the end (delta: 14.3MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-09-21 12:49:09,737 INFO L158 Benchmark]: Boogie Preprocessor took 60.95ms. Allocated memory is still 94.4MB. Free memory was 58.4MB in the beginning and 56.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-09-21 12:49:09,738 INFO L158 Benchmark]: RCFGBuilder took 476.30ms. Allocated memory is still 94.4MB. Free memory was 56.0MB in the beginning and 65.5MB in the end (delta: -9.5MB). Peak memory consumption was 10.8MB. Max. memory is 16.1GB. [2024-09-21 12:49:09,738 INFO L158 Benchmark]: Referee took 454.75ms. Allocated memory is still 94.4MB. Free memory was 65.5MB in the beginning and 43.1MB in the end (delta: 22.5MB). Peak memory consumption was 25.9MB. Max. memory is 16.1GB. [2024-09-21 12:49:09,741 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 38 to check that procedure precondition always holds at line 38. One counterexample starts in \old(counter)=0, A=-16400, B=0, b=0, counter=2147483647, q=0, r=-16400 and ends in \old(counter)=0, A=-16400, b=0, B=0, counter=-2147483648, q=0, r=-16400. Annotation is not valid for all loop-free paths from loop head at line 34 to loop head at line 38. 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 loop head at line 34. Annotation is valid for all loop-free paths from loop head at line 38 to loop head at line 38. Annotation is valid for all loop-free paths from loop head at line 38 to check that procedure precondition always holds at line 39. 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 38 to exit of procedure main. Annotation is valid for all loop-free paths from loop head at line 34 to loop head at line 34. 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 __VERIFIER_assert to check that a call to reach_error is unreachable at line 20. * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Witness Parser took 0.20ms. 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 0.09ms. Allocated memory is still 60.8MB. Free memory was 39.6MB in the beginning and 39.5MB in the end (delta: 84.0kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 327.30ms. Allocated memory is still 94.4MB. Free memory was 72.8MB in the beginning and 58.4MB in the end (delta: 14.3MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Preprocessor took 60.95ms. Allocated memory is still 94.4MB. Free memory was 58.4MB in the beginning and 56.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 476.30ms. Allocated memory is still 94.4MB. Free memory was 56.0MB in the beginning and 65.5MB in the end (delta: -9.5MB). Peak memory consumption was 10.8MB. Max. memory is 16.1GB. * Referee took 454.75ms. Allocated memory is still 94.4MB. Free memory was 65.5MB in the beginning and 43.1MB in the end (delta: 22.5MB). Peak memory consumption was 25.9MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be incorrect! [2024-09-21 12:49:09,768 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...