This is Ultimate 0.2.4-tmp.dk.referee-eval-ca4ee3d-m [2024-09-20 20:10:28,359 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-20 20:10:28,415 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Default.epf [2024-09-20 20:10:28,419 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-20 20:10:28,421 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-20 20:10:28,451 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-20 20:10:28,451 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-20 20:10:28,452 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-20 20:10:28,452 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-20 20:10:28,453 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-20 20:10:28,453 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-20 20:10:28,454 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-20 20:10:28,454 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-20 20:10:28,455 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-20 20:10:28,455 INFO L153 SettingsManager]: * Use SBE=true [2024-09-20 20:10:28,456 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-20 20:10:28,456 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-20 20:10:28,456 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-20 20:10:28,457 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-09-20 20:10:28,457 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-20 20:10:28,458 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-20 20:10:28,458 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-20 20:10:28,458 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-20 20:10:28,459 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-20 20:10:28,459 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-20 20:10:28,460 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-20 20:10:28,460 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-20 20:10:28,460 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-20 20:10:28,461 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-20 20:10:28,461 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-20 20:10:28,461 INFO L153 SettingsManager]: * Future-live optimization=false [2024-09-20 20:10:28,461 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-20 20:10:28,462 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-20 20:10:28,462 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-20 20:10:28,462 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-20 20:10:28,463 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-20 20:10:28,463 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-20 20:10:28,463 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-09-20 20:10:28,463 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-09-20 20:10:28,464 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-20 20:10:28,464 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-20 20:10:28,465 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-20 20:10:28,465 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-20 20:10:28,465 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None [2024-09-20 20:10:28,722 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-20 20:10:28,744 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-20 20:10:28,748 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-20 20:10:28,750 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-20 20:10:28,750 INFO L274 PluginConnector]: CDTParser initialized [2024-09-20 20:10:28,751 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/nla-digbench-scaling/divbin2_unwindbound2.i [2024-09-20 20:10:30,242 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-20 20:10:30,430 INFO L384 CDTParser]: Found 1 translation units. [2024-09-20 20:10:30,431 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench-scaling/divbin2_unwindbound2.i [2024-09-20 20:10:30,438 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/740d734ba/e8eec96f81974f5cb0625f0ab2b62a76/FLAG0f84b4666 [2024-09-20 20:10:30,451 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/740d734ba/e8eec96f81974f5cb0625f0ab2b62a76 [2024-09-20 20:10:30,453 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-20 20:10:30,455 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-20 20:10:30,455 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/automizer-verification-files/SV-COMP24_unreach-call/divbin2_unwindbound2.yml/witness-2.1.yml [2024-09-20 20:10:30,512 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-20 20:10:30,517 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-09-20 20:10:30,518 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-20 20:10:30,518 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-20 20:10:30,523 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-20 20:10:30,524 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 08:10:30" (1/2) ... [2024-09-20 20:10:30,527 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6d22bf14 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 08:10:30, skipping insertion in model container [2024-09-20 20:10:30,527 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 08:10:30" (1/2) ... [2024-09-20 20:10:30,529 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@49ea4823 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 08:10:30, skipping insertion in model container [2024-09-20 20:10:30,529 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 20.09 08:10:30" (2/2) ... [2024-09-20 20:10:30,529 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6d22bf14 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 20.09 08:10:30, skipping insertion in model container [2024-09-20 20:10:30,529 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 20.09 08:10:30" (2/2) ... [2024-09-20 20:10:30,544 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-20 20:10:30,544 INFO L1541 ArrayList]: Loop invariant at [L34-L37] ((\old(counter) == 0) && (((((A == r) && (counter == 0)) && (B == b)) && (q == 0)) || (((A == r) && (1 <= counter)) && (q == 0)))) [2024-09-20 20:10:30,545 INFO L1541 ArrayList]: Loop invariant at [L38-L47] ((\old(counter) == 0) && ((((2 <= counter) && (A == r)) && (q == 0)) || ((((A == r) && (1 <= counter)) && (B == b)) && (q == 0)))) [2024-09-20 20:10:30,545 INFO L1541 ArrayList]: Function contract at [L18]: requires (1 <= \old(cond)), ensures (1 <= \old(cond)) [2024-09-20 20:10:30,545 INFO L1541 ArrayList]: Function contract at [L26]: requires (counter == 0), ensures (\old(counter) == 0) [2024-09-20 20:10:30,566 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-20 20:10:30,727 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_unwindbound2.i[951,964] [2024-09-20 20:10:30,743 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-20 20:10:30,750 INFO L200 MainTranslator]: Completed pre-run Start Parsing Global Start Parsing Global [2024-09-20 20:10:30,781 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_unwindbound2.i[951,964] Start Parsing Global Start Parsing Global Start Parsing Local Start Parsing Local [2024-09-20 20:10:30,791 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-20 20:10:30,805 INFO L204 MainTranslator]: Completed translation [2024-09-20 20:10:30,805 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 20.09 08:10:30 WrapperNode [2024-09-20 20:10:30,805 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-20 20:10:30,806 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-20 20:10:30,806 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-20 20:10:30,807 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-20 20:10:30,821 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 20.09 08:10:30" (1/1) ... [2024-09-20 20:10:30,821 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 20.09 08:10:30" (1/1) ... [2024-09-20 20:10:30,828 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 20.09 08:10:30" (1/1) ... [2024-09-20 20:10:30,837 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 [2024-09-20 20:10:30,837 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 20.09 08:10:30" (1/1) ... [2024-09-20 20:10:30,838 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 20.09 08:10:30" (1/1) ... [2024-09-20 20:10:30,863 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 20.09 08:10:30" (1/1) ... [2024-09-20 20:10:30,870 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 20.09 08:10:30" (1/1) ... [2024-09-20 20:10:30,872 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 20.09 08:10:30" (1/1) ... [2024-09-20 20:10:30,873 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 20.09 08:10:30" (1/1) ... [2024-09-20 20:10:30,875 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-20 20:10:30,880 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-20 20:10:30,881 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-20 20:10:30,881 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-20 20:10:30,882 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 20.09 08:10:30" (1/1) ... [2024-09-20 20:10:30,897 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-20 20:10:30,911 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-09-20 20:10:30,947 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) [2024-09-20 20:10:30,949 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 [2024-09-20 20:10:30,995 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-09-20 20:10:30,996 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-20 20:10:30,996 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-09-20 20:10:30,997 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-09-20 20:10:30,998 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-09-20 20:10:30,998 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-09-20 20:10:30,998 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-09-20 20:10:30,998 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-09-20 20:10:30,998 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_perror_fail [2024-09-20 20:10:30,999 INFO L130 BoogieDeclarations]: Found specification of procedure __assert [2024-09-20 20:10:30,999 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-09-20 20:10:30,999 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-20 20:10:30,999 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2024-09-20 20:10:30,999 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-09-20 20:10:30,999 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-09-20 20:10:30,999 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-09-20 20:10:30,999 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-09-20 20:10:31,000 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-09-20 20:10:31,000 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-20 20:10:31,000 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-09-20 20:10:31,000 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-09-20 20:10:31,001 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-09-20 20:10:31,078 INFO L242 CfgBuilder]: Building ICFG [2024-09-20 20:10:31,082 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-20 20:10:31,142 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-20 20:10:31,292 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-20 20:10:31,309 INFO L291 CfgBuilder]: Performing block encoding [2024-09-20 20:10:31,345 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-20 20:10:31,345 INFO L318 CfgBuilder]: Removed 2 assume(true) statements. [2024-09-20 20:10:31,345 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 08:10:31 BoogieIcfgContainer [2024-09-20 20:10:31,346 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-20 20:10:31,346 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-09-20 20:10:31,346 INFO L270 PluginConnector]: Initializing Referee... [2024-09-20 20:10:31,347 INFO L274 PluginConnector]: Referee initialized [2024-09-20 20:10:31,348 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 20.09 08:10:30" (1/4) ... [2024-09-20 20:10:31,349 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@36b445a9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 20.09 08:10:31, skipping insertion in model container [2024-09-20 20:10:31,349 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 20.09 08:10:30" (2/4) ... [2024-09-20 20:10:31,350 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@36b445a9 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 20.09 08:10:31, skipping insertion in model container [2024-09-20 20:10:31,350 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 20.09 08:10:30" (3/4) ... [2024-09-20 20:10:31,350 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@36b445a9 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 20.09 08:10:31, skipping insertion in model container [2024-09-20 20:10:31,351 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 08:10:31" (4/4) ... [2024-09-20 20:10:31,352 INFO L79 RefereeObserver]: Analyzing ICFG divbin2_unwindbound2.i [2024-09-20 20:10:31,358 INFO L113 InvariantChecker]: Found 2 loops. [2024-09-20 20:10:31,359 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L43-2 to ERROR_LOC mainErr4ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 10 edges. [2024-09-20 20:10:31,359 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L43-2 to ERROR_LOC mainErr2REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 4 edges. [2024-09-20 20:10:31,359 INFO L373 InvariantChecker]: Will check inductivity from ENTRY mainENTRY to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 2 edges. [2024-09-20 20:10:31,360 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L34-4 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 5 edges. [2024-09-20 20:10:31,360 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC ULTIMATE.startErr0REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 3 edges. [2024-09-20 20:10:31,360 INFO L373 InvariantChecker]: Will check inductivity from ENTRY __VERIFIER_assertENTRY to ERROR_LOC __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 5 edges. [2024-09-20 20:10:31,361 INFO L373 InvariantChecker]: Will check inductivity from ENTRY __VERIFIER_assertENTRY to ERROR_LOC __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 3 edges. [2024-09-20 20:10:31,361 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L34-4 to LOOP_INVARIANT_ERROR_LOC mainErr1ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 7 edges. [2024-09-20 20:10:31,362 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L43-2 to LOOP_INVARIANT_ERROR_LOC mainErr1ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 8 edges. [2024-09-20 20:10:31,362 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L43-2 to ERROR_LOC mainErr3REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 8 edges. [2024-09-20 20:10:31,363 INFO L131 InvariantChecker]: Will check 3 loop-free subgraphs from loop head to loop head, 1 loop-free subgraphs from procedure entry to loop head, 3 loop-free subgraphs from procedure entry to error location, 3 loop-free subgraphs from loop head to error location [2024-09-20 20:10:31,427 INFO L314 BlockEncoder]: Initial Icfg 9 locations, 10 edges [2024-09-20 20:10:31,428 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 20:10:31,428 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 20:10:31,429 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 20:10:31,432 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 20:10:31,434 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:10:31,495 INFO L101 BaseMinimizeStates]: Removed 22 edges and 7 locations by large block encoding [2024-09-20 20:10:31,496 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:10:31,497 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 20:10:31,497 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 20:10:31,497 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 20:10:31,500 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 20:10:31,521 INFO L520 InvariantChecker]: The annotation(s) from loop head L43-2 to error location mainErr4ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-20 20:10:31,550 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 4 edges [2024-09-20 20:10:31,551 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 20:10:31,551 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 20:10:31,551 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 20:10:31,551 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 20:10:31,551 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:10:31,576 INFO L101 BaseMinimizeStates]: Removed 6 edges and 3 locations by large block encoding [2024-09-20 20:10:31,580 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:10:31,580 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 20:10:31,581 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 20:10:31,581 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 20:10:31,581 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 20:10:35,589 INFO L516 InvariantChecker]: unknown inductivity: todo good error message [2024-09-20 20:10:35,608 INFO L314 BlockEncoder]: Initial Icfg 3 locations, 2 edges [2024-09-20 20:10:35,608 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 20:10:35,608 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 20:10:35,608 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 20:10:35,608 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 20:10:35,609 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:10:35,611 INFO L101 BaseMinimizeStates]: Removed 2 edges and 1 locations by large block encoding [2024-09-20 20:10:35,611 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:10:35,611 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 20:10:35,611 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 20:10:35,611 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 20:10:35,612 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 20:10:35,620 INFO L520 InvariantChecker]: The annotation(s) from entry mainENTRY to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-20 20:10:35,635 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 5 edges [2024-09-20 20:10:35,635 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 20:10:35,636 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 20:10:35,636 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 20:10:35,636 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 20:10:35,636 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:10:35,645 INFO L101 BaseMinimizeStates]: Removed 8 edges and 4 locations by large block encoding [2024-09-20 20:10:35,645 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:10:35,645 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 20:10:35,646 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 20:10:35,646 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 20:10:35,646 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 20:10:35,651 INFO L520 InvariantChecker]: The annotation(s) from loop head L34-4 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-20 20:10:35,663 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-20 20:10:35,663 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 20:10:35,663 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 20:10:35,663 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 20:10:35,664 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 20:10:35,664 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:10:35,665 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-20 20:10:35,665 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:10:35,665 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 20:10:35,665 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 20:10:35,665 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 20:10:35,665 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 20:10:35,667 INFO L520 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to error location ULTIMATE.startErr0REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-20 20:10:35,681 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 5 edges [2024-09-20 20:10:35,682 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 20:10:35,682 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 20:10:35,682 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 20:10:35,682 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 20:10:35,682 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:10:35,685 INFO L101 BaseMinimizeStates]: Removed 8 edges and 3 locations by large block encoding [2024-09-20 20:10:35,685 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:10:35,685 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 20:10:35,685 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 20:10:35,685 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 20:10:35,686 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 20:10:35,689 INFO L520 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-20 20:10:35,701 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-20 20:10:35,701 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 20:10:35,701 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 20:10:35,701 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 20:10:35,701 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 20:10:35,702 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:10:35,703 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-20 20:10:35,703 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:10:35,703 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 20:10:35,703 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 20:10:35,703 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 20:10:35,704 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 20:10:35,709 INFO L520 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION is inductive. [2024-09-20 20:10:35,720 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 7 edges [2024-09-20 20:10:35,721 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 20:10:35,721 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 20:10:35,721 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 20:10:35,721 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 20:10:35,722 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:10:35,734 INFO L101 BaseMinimizeStates]: Removed 12 edges and 4 locations by large block encoding [2024-09-20 20:10:35,735 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:10:35,735 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 20:10:35,735 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 20:10:35,735 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 20:10:35,738 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 20:10:35,741 INFO L520 InvariantChecker]: The annotation(s) from loop head L34-4 to loop head mainErr1ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-20 20:10:35,751 INFO L314 BlockEncoder]: Initial Icfg 8 locations, 8 edges [2024-09-20 20:10:35,751 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 20:10:35,752 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 20:10:35,752 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 20:10:35,752 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 20:10:35,752 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:10:35,771 INFO L101 BaseMinimizeStates]: Removed 14 edges and 6 locations by large block encoding [2024-09-20 20:10:35,772 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:10:35,772 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 20:10:35,772 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 20:10:35,772 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 20:10:35,777 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 20:10:35,781 INFO L520 InvariantChecker]: The annotation(s) from loop head L43-2 to loop head mainErr1ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-20 20:10:35,790 INFO L314 BlockEncoder]: Initial Icfg 7 locations, 8 edges [2024-09-20 20:10:35,790 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 20:10:35,791 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 20:10:35,791 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 20:10:35,791 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 20:10:35,791 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:10:35,802 INFO L101 BaseMinimizeStates]: Removed 14 edges and 5 locations by large block encoding [2024-09-20 20:10:35,803 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:10:35,803 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 20:10:35,803 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 20:10:35,803 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 20:10:35,807 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 20:10:39,809 INFO L516 InvariantChecker]: unknown inductivity: todo good error message [2024-09-20 20:10:39,815 INFO L58 RefereeStarter]: Insufficient resources for checking whether annotation is a valid proof of correctness. [2024-09-20 20:10:39,816 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@36b445a9 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CFG 20.09 08:10:39, skipping insertion in model container [2024-09-20 20:10:39,816 INFO L131 PluginConnector]: ------------------------ END Referee---------------------------- [2024-09-20 20:10:39,818 INFO L158 Benchmark]: Toolchain (without parser) took 9300.13ms. Allocated memory is still 167.8MB. Free memory was 94.9MB in the beginning and 68.6MB in the end (delta: 26.2MB). Peak memory consumption was 25.3MB. Max. memory is 16.1GB. [2024-09-20 20:10:39,818 INFO L158 Benchmark]: CDTParser took 0.22ms. Allocated memory is still 167.8MB. Free memory is still 122.6MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-20 20:10:39,819 INFO L158 Benchmark]: Witness Parser took 0.13ms. Allocated memory is still 167.8MB. Free memory is still 97.0MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-20 20:10:39,819 INFO L158 Benchmark]: CACSL2BoogieTranslator took 287.44ms. Allocated memory is still 167.8MB. Free memory was 94.7MB in the beginning and 81.0MB in the end (delta: 13.8MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-09-20 20:10:39,820 INFO L158 Benchmark]: Boogie Preprocessor took 72.74ms. Allocated memory is still 167.8MB. Free memory was 81.0MB in the beginning and 138.9MB in the end (delta: -58.0MB). Peak memory consumption was 6.5MB. Max. memory is 16.1GB. [2024-09-20 20:10:39,820 INFO L158 Benchmark]: RCFGBuilder took 465.96ms. Allocated memory is still 167.8MB. Free memory was 138.9MB in the beginning and 124.0MB in the end (delta: 14.9MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-09-20 20:10:39,821 INFO L158 Benchmark]: Referee took 8469.72ms. Allocated memory is still 167.8MB. Free memory was 124.0MB in the beginning and 68.6MB in the end (delta: 55.4MB). Peak memory consumption was 54.5MB. Max. memory is 16.1GB. [2024-09-20 20:10:39,823 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 39. 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 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 38. 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 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 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 exit of procedure __VERIFIER_assert. Annotation is valid for all loop-free paths from entry of procedure __VERIFIER_assert to check that a call to reach_error is unreachable at line 20. * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22ms. Allocated memory is still 167.8MB. Free memory is still 122.6MB. There was no memory consumed. Max. memory is 16.1GB. * Witness Parser took 0.13ms. Allocated memory is still 167.8MB. Free memory is still 97.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 287.44ms. Allocated memory is still 167.8MB. Free memory was 94.7MB in the beginning and 81.0MB in the end (delta: 13.8MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Preprocessor took 72.74ms. Allocated memory is still 167.8MB. Free memory was 81.0MB in the beginning and 138.9MB in the end (delta: -58.0MB). Peak memory consumption was 6.5MB. Max. memory is 16.1GB. * RCFGBuilder took 465.96ms. Allocated memory is still 167.8MB. Free memory was 138.9MB in the beginning and 124.0MB in the end (delta: 14.9MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Referee took 8469.72ms. Allocated memory is still 167.8MB. Free memory was 124.0MB in the beginning and 68.6MB in the end (delta: 55.4MB). Peak memory consumption was 54.5MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-09-20 20:10:39,848 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-ca4ee3d-m [2024-09-20 20:10:42,022 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-20 20:10:42,089 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Bitvector.epf [2024-09-20 20:10:42,096 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-20 20:10:42,097 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-20 20:10:42,132 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-20 20:10:42,132 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-20 20:10:42,133 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-20 20:10:42,133 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-20 20:10:42,134 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-20 20:10:42,134 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-20 20:10:42,134 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-20 20:10:42,137 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-20 20:10:42,138 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-20 20:10:42,138 INFO L153 SettingsManager]: * Use SBE=true [2024-09-20 20:10:42,138 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-20 20:10:42,139 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-20 20:10:42,139 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-20 20:10:42,139 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-20 20:10:42,140 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-20 20:10:42,142 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-20 20:10:42,143 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-20 20:10:42,146 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-20 20:10:42,146 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-09-20 20:10:42,147 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-09-20 20:10:42,147 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-20 20:10:42,147 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-09-20 20:10:42,148 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-20 20:10:42,148 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-20 20:10:42,148 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-20 20:10:42,149 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-20 20:10:42,149 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-20 20:10:42,152 INFO L153 SettingsManager]: * Future-live optimization=false [2024-09-20 20:10:42,152 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-20 20:10:42,152 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-20 20:10:42,152 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-20 20:10:42,153 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-20 20:10:42,153 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-20 20:10:42,153 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-20 20:10:42,153 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-09-20 20:10:42,154 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-09-20 20:10:42,155 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-20 20:10:42,155 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-20 20:10:42,155 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-20 20:10:42,156 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-20 20:10:42,156 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2024-09-20 20:10:42,156 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None [2024-09-20 20:10:42,476 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-20 20:10:42,495 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-20 20:10:42,497 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-20 20:10:42,498 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-20 20:10:42,499 INFO L274 PluginConnector]: CDTParser initialized [2024-09-20 20:10:42,501 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/nla-digbench-scaling/divbin2_unwindbound2.i [2024-09-20 20:10:44,007 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-20 20:10:44,201 INFO L384 CDTParser]: Found 1 translation units. [2024-09-20 20:10:44,202 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench-scaling/divbin2_unwindbound2.i [2024-09-20 20:10:44,214 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/e1f2eef86/83895b3b19294874b4922c6fd7dbf695/FLAGbc64226e0 [2024-09-20 20:10:44,582 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/e1f2eef86/83895b3b19294874b4922c6fd7dbf695 [2024-09-20 20:10:44,585 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-20 20:10:44,585 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-20 20:10:44,588 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/automizer-verification-files/SV-COMP24_unreach-call/divbin2_unwindbound2.yml/witness-2.1.yml [2024-09-20 20:10:44,642 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-20 20:10:44,644 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-09-20 20:10:44,645 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-20 20:10:44,645 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-20 20:10:44,650 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-20 20:10:44,651 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 08:10:44" (1/2) ... [2024-09-20 20:10:44,652 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3e8a845e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 08:10:44, skipping insertion in model container [2024-09-20 20:10:44,653 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 08:10:44" (1/2) ... [2024-09-20 20:10:44,654 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@affa853 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 08:10:44, skipping insertion in model container [2024-09-20 20:10:44,655 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 20.09 08:10:44" (2/2) ... [2024-09-20 20:10:44,657 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3e8a845e and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 20.09 08:10:44, skipping insertion in model container [2024-09-20 20:10:44,657 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 20.09 08:10:44" (2/2) ... [2024-09-20 20:10:44,670 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-20 20:10:44,670 INFO L1541 ArrayList]: Loop invariant at [L38-L47] ((\old(counter) == 0) && ((((2 <= counter) && (A == r)) && (q == 0)) || ((((A == r) && (1 <= counter)) && (B == b)) && (q == 0)))) [2024-09-20 20:10:44,671 INFO L1541 ArrayList]: Loop invariant at [L34-L37] ((\old(counter) == 0) && (((((A == r) && (counter == 0)) && (B == b)) && (q == 0)) || (((A == r) && (1 <= counter)) && (q == 0)))) [2024-09-20 20:10:44,671 INFO L1541 ArrayList]: Function contract at [L26]: requires (counter == 0), ensures (\old(counter) == 0) [2024-09-20 20:10:44,671 INFO L1541 ArrayList]: Function contract at [L18]: requires (1 <= \old(cond)), ensures (1 <= \old(cond)) [2024-09-20 20:10:44,694 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-20 20:10:44,883 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_unwindbound2.i[951,964] [2024-09-20 20:10:44,900 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-20 20:10:44,911 INFO L200 MainTranslator]: Completed pre-run Start Parsing Global Start Parsing Global [2024-09-20 20:10:44,954 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_unwindbound2.i[951,964] Start Parsing Global Start Parsing Global Start Parsing Local Start Parsing Local [2024-09-20 20:10:44,970 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-20 20:10:44,990 INFO L204 MainTranslator]: Completed translation [2024-09-20 20:10:44,991 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 20.09 08:10:44 WrapperNode [2024-09-20 20:10:44,991 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-20 20:10:44,993 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-20 20:10:44,993 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-20 20:10:44,993 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-20 20:10:45,006 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 20.09 08:10:44" (1/1) ... [2024-09-20 20:10:45,006 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 20.09 08:10:44" (1/1) ... [2024-09-20 20:10:45,015 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 20.09 08:10:44" (1/1) ... [2024-09-20 20:10:45,029 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 [2024-09-20 20:10:45,029 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 20.09 08:10:44" (1/1) ... [2024-09-20 20:10:45,029 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 20.09 08:10:44" (1/1) ... [2024-09-20 20:10:45,041 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 20.09 08:10:44" (1/1) ... [2024-09-20 20:10:45,044 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 20.09 08:10:44" (1/1) ... [2024-09-20 20:10:45,047 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 20.09 08:10:44" (1/1) ... [2024-09-20 20:10:45,051 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 20.09 08:10:44" (1/1) ... [2024-09-20 20:10:45,054 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-20 20:10:45,054 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-20 20:10:45,055 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-20 20:10:45,055 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-20 20:10:45,055 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 20.09 08:10:44" (1/1) ... [2024-09-20 20:10:45,063 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-20 20:10:45,071 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-09-20 20:10:45,086 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) [2024-09-20 20:10:45,094 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 [2024-09-20 20:10:45,138 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-09-20 20:10:45,139 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-20 20:10:45,139 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-09-20 20:10:45,139 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-09-20 20:10:45,139 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-09-20 20:10:45,140 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-09-20 20:10:45,140 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-09-20 20:10:45,140 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-09-20 20:10:45,140 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_perror_fail [2024-09-20 20:10:45,140 INFO L130 BoogieDeclarations]: Found specification of procedure __assert [2024-09-20 20:10:45,140 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-09-20 20:10:45,140 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-20 20:10:45,140 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2024-09-20 20:10:45,141 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-09-20 20:10:45,141 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-09-20 20:10:45,141 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-09-20 20:10:45,141 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-09-20 20:10:45,141 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-09-20 20:10:45,141 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-20 20:10:45,142 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2024-09-20 20:10:45,142 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2024-09-20 20:10:45,143 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-09-20 20:10:45,239 INFO L242 CfgBuilder]: Building ICFG [2024-09-20 20:10:45,241 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-20 20:10:45,290 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-20 20:10:45,479 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-20 20:10:45,503 INFO L291 CfgBuilder]: Performing block encoding [2024-09-20 20:10:45,534 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-20 20:10:45,535 INFO L318 CfgBuilder]: Removed 2 assume(true) statements. [2024-09-20 20:10:45,535 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 08:10:45 BoogieIcfgContainer [2024-09-20 20:10:45,535 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-20 20:10:45,536 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-09-20 20:10:45,536 INFO L270 PluginConnector]: Initializing Referee... [2024-09-20 20:10:45,537 INFO L274 PluginConnector]: Referee initialized [2024-09-20 20:10:45,537 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 20.09 08:10:44" (1/4) ... [2024-09-20 20:10:45,538 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@589127ed and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 20.09 08:10:45, skipping insertion in model container [2024-09-20 20:10:45,538 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 20.09 08:10:44" (2/4) ... [2024-09-20 20:10:45,538 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@589127ed and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 20.09 08:10:45, skipping insertion in model container [2024-09-20 20:10:45,538 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 20.09 08:10:44" (3/4) ... [2024-09-20 20:10:45,538 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@589127ed and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 20.09 08:10:45, skipping insertion in model container [2024-09-20 20:10:45,539 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 08:10:45" (4/4) ... [2024-09-20 20:10:45,540 INFO L79 RefereeObserver]: Analyzing ICFG divbin2_unwindbound2.i [2024-09-20 20:10:45,543 INFO L113 InvariantChecker]: Found 2 loops. [2024-09-20 20:10:45,544 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L43-2 to ERROR_LOC mainErr4ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 10 edges. [2024-09-20 20:10:45,544 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L43-2 to ERROR_LOC mainErr2REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 4 edges. [2024-09-20 20:10:45,544 INFO L373 InvariantChecker]: Will check inductivity from ENTRY mainENTRY to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 2 edges. [2024-09-20 20:10:45,544 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L34-4 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 5 edges. [2024-09-20 20:10:45,544 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC ULTIMATE.startErr0REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 3 edges. [2024-09-20 20:10:45,545 INFO L373 InvariantChecker]: Will check inductivity from ENTRY __VERIFIER_assertENTRY to ERROR_LOC __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 5 edges. [2024-09-20 20:10:45,545 INFO L373 InvariantChecker]: Will check inductivity from ENTRY __VERIFIER_assertENTRY to ERROR_LOC __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 3 edges. [2024-09-20 20:10:45,545 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L34-4 to LOOP_INVARIANT_ERROR_LOC mainErr1ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 7 edges. [2024-09-20 20:10:45,545 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L43-2 to LOOP_INVARIANT_ERROR_LOC mainErr1ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 8 edges. [2024-09-20 20:10:45,545 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L43-2 to ERROR_LOC mainErr3REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 8 edges. [2024-09-20 20:10:45,546 INFO L131 InvariantChecker]: Will check 3 loop-free subgraphs from procedure entry to error location, 3 loop-free subgraphs from loop head to loop head, 3 loop-free subgraphs from loop head to error location, 1 loop-free subgraphs from procedure entry to loop head [2024-09-20 20:10:45,601 INFO L314 BlockEncoder]: Initial Icfg 9 locations, 10 edges [2024-09-20 20:10:45,602 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 20:10:45,602 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 20:10:45,603 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 20:10:45,604 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 20:10:45,606 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:10:45,658 INFO L101 BaseMinimizeStates]: Removed 22 edges and 7 locations by large block encoding [2024-09-20 20:10:45,663 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:10:45,663 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 20:10:45,666 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 20:10:45,666 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 20:10:45,669 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 20:10:45,681 INFO L520 InvariantChecker]: The annotation(s) from loop head L43-2 to error location mainErr4ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-20 20:10:45,713 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 4 edges [2024-09-20 20:10:45,713 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 20:10:45,713 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 20:10:45,713 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 20:10:45,713 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 20:10:45,714 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:10:45,726 INFO L101 BaseMinimizeStates]: Removed 6 edges and 3 locations by large block encoding [2024-09-20 20:10:45,726 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:10:45,726 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 20:10:45,726 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 20:10:45,726 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 20:10:45,726 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 20:10:45,746 INFO L520 InvariantChecker]: The annotation(s) from loop head L43-2 to error location mainErr2REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-20 20:10:45,759 INFO L314 BlockEncoder]: Initial Icfg 3 locations, 2 edges [2024-09-20 20:10:45,760 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 20:10:45,760 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 20:10:45,760 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 20:10:45,760 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 20:10:45,760 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:10:45,762 INFO L101 BaseMinimizeStates]: Removed 2 edges and 1 locations by large block encoding [2024-09-20 20:10:45,762 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:10:45,762 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 20:10:45,763 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 20:10:45,763 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 20:10:45,763 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 20:10:45,768 INFO L520 InvariantChecker]: The annotation(s) from entry mainENTRY to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-20 20:10:45,783 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 5 edges [2024-09-20 20:10:45,784 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 20:10:45,784 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 20:10:45,784 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 20:10:45,784 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 20:10:45,784 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:10:45,795 INFO L101 BaseMinimizeStates]: Removed 8 edges and 4 locations by large block encoding [2024-09-20 20:10:45,796 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:10:45,796 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 20:10:45,796 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 20:10:45,797 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 20:10:45,797 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 20:10:45,805 INFO L520 InvariantChecker]: The annotation(s) from loop head L34-4 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-20 20:10:45,816 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-20 20:10:45,816 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 20:10:45,817 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 20:10:45,817 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 20:10:45,817 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 20:10:45,817 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:10:45,818 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-20 20:10:45,818 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:10:45,818 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 20:10:45,818 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 20:10:45,819 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 20:10:45,819 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 20:10:45,820 INFO L520 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to error location ULTIMATE.startErr0REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-20 20:10:45,829 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 5 edges [2024-09-20 20:10:45,829 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 20:10:45,829 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 20:10:45,830 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 20:10:45,830 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 20:10:45,830 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:10:45,832 INFO L101 BaseMinimizeStates]: Removed 8 edges and 3 locations by large block encoding [2024-09-20 20:10:45,832 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:10:45,832 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 20:10:45,833 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 20:10:45,833 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 20:10:45,833 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 20:10:45,835 INFO L520 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-20 20:10:45,843 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-20 20:10:45,844 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 20:10:45,844 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 20:10:45,844 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 20:10:45,844 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 20:10:45,844 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:10:45,846 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-20 20:10:45,846 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:10:45,846 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 20:10:45,846 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 20:10:45,846 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 20:10:45,846 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 20:10:45,848 INFO L520 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION is inductive. [2024-09-20 20:10:45,856 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 7 edges [2024-09-20 20:10:45,856 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 20:10:45,856 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 20:10:45,857 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 20:10:45,857 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 20:10:45,857 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:10:45,866 INFO L101 BaseMinimizeStates]: Removed 12 edges and 4 locations by large block encoding [2024-09-20 20:10:45,867 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:10:45,867 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 20:10:45,867 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 20:10:45,867 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 20:10:45,870 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 20:10:45,893 INFO L314 BlockEncoder]: Initial Icfg 8 locations, 8 edges [2024-09-20 20:10:45,895 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 20:10:45,895 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 20:10:45,895 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 20:10:45,895 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 20:10:45,896 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:10:45,923 INFO L101 BaseMinimizeStates]: Removed 14 edges and 6 locations by large block encoding [2024-09-20 20:10:45,924 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:10:45,924 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 20:10:45,924 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 20:10:45,924 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 20:10:45,929 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 20:10:45,942 INFO L520 InvariantChecker]: The annotation(s) from loop head L43-2 to loop head mainErr1ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-20 20:10:45,955 INFO L314 BlockEncoder]: Initial Icfg 7 locations, 8 edges [2024-09-20 20:10:45,956 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 20:10:45,956 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 20:10:45,956 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 20:10:45,956 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 20:10:45,956 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:10:45,966 INFO L101 BaseMinimizeStates]: Removed 14 edges and 5 locations by large block encoding [2024-09-20 20:10:45,967 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:10:45,967 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 20:10:45,967 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 20:10:45,968 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 20:10:45,969 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 20:10:45,988 INFO L520 InvariantChecker]: The annotation(s) from loop head L43-2 to error location mainErr3REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-20 20:10:45,998 INFO L58 RefereeStarter]: Annotation is not a valid proof of correctness. [2024-09-20 20:10:45,999 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@589127ed and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CFG 20.09 08:10:45, skipping insertion in model container [2024-09-20 20:10:45,999 INFO L131 PluginConnector]: ------------------------ END Referee---------------------------- [2024-09-20 20:10:46,000 INFO L158 Benchmark]: Toolchain (without parser) took 1356.18ms. Allocated memory is still 86.0MB. Free memory was 51.0MB in the beginning and 51.3MB in the end (delta: -314.0kB). Peak memory consumption was 24.4MB. Max. memory is 16.1GB. [2024-09-20 20:10:46,001 INFO L158 Benchmark]: CDTParser took 0.30ms. Allocated memory is still 54.5MB. Free memory was 33.6MB in the beginning and 33.5MB in the end (delta: 73.4kB). There was no memory consumed. Max. memory is 16.1GB. [2024-09-20 20:10:46,002 INFO L158 Benchmark]: Witness Parser took 0.23ms. Allocated memory is still 86.0MB. Free memory is still 53.1MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-20 20:10:46,002 INFO L158 Benchmark]: CACSL2BoogieTranslator took 347.06ms. Allocated memory is still 86.0MB. Free memory was 51.0MB in the beginning and 61.0MB in the end (delta: -10.0MB). Peak memory consumption was 13.4MB. Max. memory is 16.1GB. [2024-09-20 20:10:46,003 INFO L158 Benchmark]: Boogie Preprocessor took 60.90ms. Allocated memory is still 86.0MB. Free memory was 61.0MB in the beginning and 58.5MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-09-20 20:10:46,003 INFO L158 Benchmark]: RCFGBuilder took 481.17ms. Allocated memory is still 86.0MB. Free memory was 58.5MB in the beginning and 43.4MB in the end (delta: 15.1MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-09-20 20:10:46,005 INFO L158 Benchmark]: Referee took 462.79ms. Allocated memory is still 86.0MB. Free memory was 43.4MB in the beginning and 51.3MB in the end (delta: -7.9MB). Peak memory consumption was 15.2MB. Max. memory is 16.1GB. [2024-09-20 20:10:46,007 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 34 to loop head at line 38. One counterexample starts in \old(counter)=0, A=0, b=2, B=0, counter=2147483647, q=0, r=0 and ends in \old(counter)=0, A=0, B=0, b=2, counter=-2147483648, q=0, r=0. 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 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 34. 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 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 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. * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30ms. Allocated memory is still 54.5MB. Free memory was 33.6MB in the beginning and 33.5MB in the end (delta: 73.4kB). There was no memory consumed. Max. memory is 16.1GB. * Witness Parser took 0.23ms. Allocated memory is still 86.0MB. Free memory is still 53.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 347.06ms. Allocated memory is still 86.0MB. Free memory was 51.0MB in the beginning and 61.0MB in the end (delta: -10.0MB). Peak memory consumption was 13.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 60.90ms. Allocated memory is still 86.0MB. Free memory was 61.0MB in the beginning and 58.5MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 481.17ms. Allocated memory is still 86.0MB. Free memory was 58.5MB in the beginning and 43.4MB in the end (delta: 15.1MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Referee took 462.79ms. Allocated memory is still 86.0MB. Free memory was 43.4MB in the beginning and 51.3MB in the end (delta: -7.9MB). Peak memory consumption was 15.2MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be incorrect! [2024-09-20 20:10:46,045 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...