This is Ultimate 0.2.4-tmp.dk.referee-eval-27b4987-m [2024-09-21 19:07:45,303 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-21 19:07:45,370 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Default.epf [2024-09-21 19:07:45,374 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-21 19:07:45,375 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-21 19:07:45,421 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-21 19:07:45,423 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-21 19:07:45,424 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-21 19:07:45,424 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-21 19:07:45,425 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-21 19:07:45,426 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-21 19:07:45,426 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-21 19:07:45,427 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-21 19:07:45,427 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-21 19:07:45,429 INFO L153 SettingsManager]: * Use SBE=true [2024-09-21 19:07:45,429 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-21 19:07:45,430 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-21 19:07:45,430 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-21 19:07:45,430 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-09-21 19:07:45,430 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-21 19:07:45,431 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-21 19:07:45,434 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-21 19:07:45,434 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-21 19:07:45,434 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-21 19:07:45,435 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-21 19:07:45,435 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-21 19:07:45,435 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-21 19:07:45,435 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-21 19:07:45,436 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-21 19:07:45,436 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-21 19:07:45,436 INFO L153 SettingsManager]: * Future-live optimization=false [2024-09-21 19:07:45,436 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-21 19:07:45,437 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-21 19:07:45,437 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-21 19:07:45,437 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-21 19:07:45,437 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-21 19:07:45,437 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-21 19:07:45,438 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-09-21 19:07:45,438 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-09-21 19:07:45,438 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-21 19:07:45,438 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-21 19:07:45,440 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-21 19:07:45,440 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-21 19:07:45,440 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None [2024-09-21 19:07:45,695 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-21 19:07:45,720 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-21 19:07:45,723 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-21 19:07:45,724 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-21 19:07:45,725 INFO L274 PluginConnector]: CDTParser initialized [2024-09-21 19:07:45,726 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/loops-crafted-1/nested_delay_nd.c [2024-09-21 19:07:47,222 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-21 19:07:47,401 INFO L384 CDTParser]: Found 1 translation units. [2024-09-21 19:07:47,403 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loops-crafted-1/nested_delay_nd.c [2024-09-21 19:07:47,413 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/2588fa4fe/27271566e12a495ea2fee5281b830396/FLAG430fe8ae8 [2024-09-21 19:07:47,427 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/2588fa4fe/27271566e12a495ea2fee5281b830396 [2024-09-21 19:07:47,430 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-21 19:07:47,431 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-21 19:07:47,433 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/cpachecker-verification-files/SV-COMP24_unreach-call/nested_delay_nd.yml/output/witness-2.1.yml [2024-09-21 19:07:47,484 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-21 19:07:47,486 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-09-21 19:07:47,487 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-21 19:07:47,487 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-21 19:07:47,494 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-21 19:07:47,494 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 07:07:47" (1/2) ... [2024-09-21 19:07:47,495 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4c26a35d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 07:07:47, skipping insertion in model container [2024-09-21 19:07:47,495 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 07:07:47" (1/2) ... [2024-09-21 19:07:47,497 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@54006ac5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 07:07:47, skipping insertion in model container [2024-09-21 19:07:47,497 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 07:07:47" (2/2) ... [2024-09-21 19:07:47,498 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4c26a35d and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 21.09 07:07:47, skipping insertion in model container [2024-09-21 19:07:47,498 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 07:07:47" (2/2) ... [2024-09-21 19:07:47,506 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-21 19:07:47,506 INFO L1541 ArrayList]: Loop invariant at [L25-L45] a == (0) && b == (0) && c == (0) && d == (0) && st == (0) [2024-09-21 19:07:47,507 INFO L1541 ArrayList]: Loop invariant at [L27-L29] (a == (0) && b == (0) && c == (3) && d == (0)) || (a == (0) && b == (0) && c == (29) && d == (0)) || (a == (0) && b == (0) && c == (44) && d == (0)) || (a == (0) && b == (0) && c == (45) && d == (0)) || (a == (0) && b == (0) && c == (2) && d == (0)) || (a == (0) && b == (0) && c == (19) && d == (0)) || (a == (0) && b == (0) && c == (0) && d == (0) && st == (1)) || (a == (0) && b == (0) && c == (4) && d == (0)) || (a == (0) && b == (0) && c == (9) && d == (0)) || (a == (0) && b == (0) && c == (26) && d == (0)) || (a == (0) && b == (0) && c == (35) && d == (0)) || (a == (0) && b == (0) && c == (34) && d == (0)) || (a == (0) && b == (0) && c == (5) && d == (0)) || (a == (0) && b == (0) && c == (11) && d == (0)) || (a == (0) && b == (0) && c == (22) && d == (0)) || (a == (0) && b == (0) && c == (40) && d == (0)) || (a == (0) && b == (0) && c == (15) && d == (0)) || (a == (0) && b == (0) && c == (38) && d == (0)) || (a == (0) && b == (0) && c == (28) && d == (0)) || (a == (0) && b == (0) && c == (47) && d == (0)) || (a == (0) && b == (0) && c == (14) && d == (0)) || (a == (0) && b == (0) && c == (13) && d == (0)) || (a == (0) && b == (0) && c == (23) && d == (0)) || (a == (0) && b == (0) && c == (31) && d == (0)) || (a == (0) && b == (0) && c == (37) && d == (0)) || (a == (0) && b == (0) && c == (17) && d == (0)) || (a == (0) && b == (0) && c == (6) && d == (0)) || (a == (0) && b == (0) && c == (30) && d == (0)) || (a == (0) && b == (0) && c == (12) && d == (0)) || (a == (0) && b == (0) && c == (49) && d == (0)) || (a == (0) && b == (0) && c == (41) && d == (0)) || (a == (0) && b == (0) && c == (18) && d == (0)) || (a == (0) && b == (0) && c == (32) && d == (0)) || (a == (0) && b == (0) && c == (27) && d == (0)) || (a == (0) && b == (0) && c == (10) && d == (0)) || (a == (0) && b == (0) && c == (39) && d == (0)) || (a == (0) && b == (0) && c == (46) && d == (0)) || (a == (0) && b == (0) && c == (1) && d == (0)) || (a == (0) && b == (0) && c == (24) && d == (0)) || (a == (0) && b == (0) && c == (20) && d == (0)) || (a == (0) && b == (0) && c == (33) && d == (0)) || (a == (0) && b == (0) && c == (7) && d == (0)) || (a == (0) && b == (0) && c == (48) && d == (0)) || (a == (0) && b == (0) && c == (36) && d == (0)) || (a == (0) && b == (0) && c == (8) && d == (0)) || (a == (0) && b == (0) && c == (16) && d == (0)) || (a == (0) && b == (0) && c == (21) && d == (0)) || (a == (0) && b == (0) && c == (42) && d == (0)) || (a == (0) && b == (0) && c == (25) && d == (0)) || (a == (0) && b == (0) && c == (43) && d == (0)) [2024-09-21 19:07:47,507 INFO L1541 ArrayList]: Function contract at [L20]: requires 1, ensures 1 [2024-09-21 19:07:47,507 INFO L1541 ArrayList]: Function contract at [L5]: requires 1, ensures (!(1) || (1)) [2024-09-21 19:07:47,526 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-21 19:07:47,661 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/loops-crafted-1/nested_delay_nd.c[465,478] [2024-09-21 19:07:47,685 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-21 19:07:47,694 INFO L200 MainTranslator]: Completed pre-run Start Parsing Global Start Parsing Global [2024-09-21 19:07:47,736 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/loops-crafted-1/nested_delay_nd.c[465,478] Start Parsing Global Start Parsing Global Start Parsing Local Start Parsing Local [2024-09-21 19:07:47,787 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-21 19:07:47,802 INFO L204 MainTranslator]: Completed translation [2024-09-21 19:07:47,803 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 21.09 07:07:47 WrapperNode [2024-09-21 19:07:47,803 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-21 19:07:47,804 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-21 19:07:47,804 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-21 19:07:47,804 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-21 19:07:47,815 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 07:07:47" (1/1) ... [2024-09-21 19:07:47,815 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 07:07:47" (1/1) ... [2024-09-21 19:07:47,831 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 07:07:47" (1/1) ... [2024-09-21 19:07:47,843 WARN L109 MemorySlicer]: Omit memory slicing because it failed with the following exception: Unsupported: Procedure assume_abort_if_not is not part of the Ultimate memory model but has specification other that is not a ModifiesSpecification [2024-09-21 19:07:47,843 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 07:07:47" (1/1) ... [2024-09-21 19:07:47,844 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 07:07:47" (1/1) ... [2024-09-21 19:07:47,855 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 07:07:47" (1/1) ... [2024-09-21 19:07:47,858 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 07:07:47" (1/1) ... [2024-09-21 19:07:47,860 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 07:07:47" (1/1) ... [2024-09-21 19:07:47,861 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 07:07:47" (1/1) ... [2024-09-21 19:07:47,863 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-21 19:07:47,864 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-21 19:07:47,864 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-21 19:07:47,864 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-21 19:07:47,865 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 07:07:47" (1/1) ... [2024-09-21 19:07:47,869 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-21 19:07:47,876 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-09-21 19:07:47,891 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 19:07:47,896 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 19:07:47,930 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-09-21 19:07:47,931 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-21 19:07:47,931 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-09-21 19:07:47,931 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-09-21 19:07:47,931 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-09-21 19:07:47,931 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-09-21 19:07:47,931 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-09-21 19:07:47,932 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-09-21 19:07:47,932 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-09-21 19:07:47,932 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-21 19:07:47,932 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-09-21 19:07:47,932 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2024-09-21 19:07:47,932 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-09-21 19:07:47,932 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-09-21 19:07:47,932 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-09-21 19:07:47,933 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-09-21 19:07:47,933 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-21 19:07:47,933 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-09-21 19:07:47,933 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-09-21 19:07:47,933 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-09-21 19:07:47,990 INFO L242 CfgBuilder]: Building ICFG [2024-09-21 19:07:47,992 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-21 19:07:48,009 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-21 19:07:48,030 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-21 19:07:48,234 INFO L291 CfgBuilder]: Performing block encoding [2024-09-21 19:07:48,262 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-21 19:07:48,262 INFO L318 CfgBuilder]: Removed 3 assume(true) statements. [2024-09-21 19:07:48,263 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 07:07:48 BoogieIcfgContainer [2024-09-21 19:07:48,263 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-21 19:07:48,264 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-09-21 19:07:48,264 INFO L270 PluginConnector]: Initializing Referee... [2024-09-21 19:07:48,266 INFO L274 PluginConnector]: Referee initialized [2024-09-21 19:07:48,266 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 21.09 07:07:47" (1/4) ... [2024-09-21 19:07:48,267 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@68d4bfb6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 21.09 07:07:48, skipping insertion in model container [2024-09-21 19:07:48,267 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 07:07:47" (2/4) ... [2024-09-21 19:07:48,267 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@68d4bfb6 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 21.09 07:07:48, skipping insertion in model container [2024-09-21 19:07:48,267 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 07:07:47" (3/4) ... [2024-09-21 19:07:48,268 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@68d4bfb6 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 21.09 07:07:48, skipping insertion in model container [2024-09-21 19:07:48,268 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 07:07:48" (4/4) ... [2024-09-21 19:07:48,269 INFO L79 RefereeObserver]: Analyzing ICFG nested_delay_nd.c [2024-09-21 19:07:48,272 INFO L113 InvariantChecker]: Found 2 loops. [2024-09-21 19:07:48,273 INFO L373 InvariantChecker]: Will check inductivity from ENTRY assume_abort_if_notENTRY to ERROR_LOC assume_abort_if_notErr0ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 4 edges. [2024-09-21 19:07:48,273 INFO L373 InvariantChecker]: Will check inductivity from ENTRY mainENTRY to ERROR_LOC mainErr0REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 2 edges. [2024-09-21 19:07:48,273 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L27-4 to LOOP_INVARIANT_ERROR_LOC mainErr2ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 6 edges. [2024-09-21 19:07:48,273 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L44 to LOOP_INVARIANT_ERROR_LOC mainErr2ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 3 edges. [2024-09-21 19:07:48,273 INFO L373 InvariantChecker]: Will check inductivity from ENTRY mainENTRY to LOOP_INVARIANT_ERROR_LOC mainErr1ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 4 edges. [2024-09-21 19:07:48,274 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L27-4 to LOOP_INVARIANT_ERROR_LOC mainErr1ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 13 edges. [2024-09-21 19:07:48,274 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC ULTIMATE.startErr0REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 2 edges. [2024-09-21 19:07:48,274 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 3 edges. [2024-09-21 19:07:48,274 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L44 to ERROR_LOC mainErr3ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 5 edges. [2024-09-21 19:07:48,274 INFO L131 InvariantChecker]: Will check 4 loop-free subgraphs from procedure entry to error location, 3 loop-free subgraphs from loop head to loop head, 1 loop-free subgraphs from procedure entry to loop head, 1 loop-free subgraphs from loop head to error location [2024-09-21 19:07:48,322 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 4 edges [2024-09-21 19:07:48,323 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 19:07:48,323 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 19:07:48,323 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 19:07:48,324 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 19:07:48,326 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:07:48,335 INFO L101 BaseMinimizeStates]: Removed 6 edges and 2 locations by large block encoding [2024-09-21 19:07:48,336 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:07:48,336 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 19:07:48,336 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 19:07:48,337 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 19:07:48,340 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 19:07:48,355 INFO L520 InvariantChecker]: The annotation(s) from entry assume_abort_if_notENTRY to error location assume_abort_if_notErr0ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-21 19:07:48,374 INFO L314 BlockEncoder]: Initial Icfg 3 locations, 2 edges [2024-09-21 19:07:48,375 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 19:07:48,375 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 19:07:48,375 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 19:07:48,375 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 19:07:48,375 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:07:48,376 INFO L101 BaseMinimizeStates]: Removed 2 edges and 1 locations by large block encoding [2024-09-21 19:07:48,376 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:07:48,377 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 19:07:48,377 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 19:07:48,377 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 19:07:48,377 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 19:07:48,386 INFO L520 InvariantChecker]: The annotation(s) from entry mainENTRY to error location mainErr0REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-21 19:07:48,407 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 6 edges [2024-09-21 19:07:48,408 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 19:07:48,408 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 19:07:48,408 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 19:07:48,408 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 19:07:48,409 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:07:48,519 INFO L101 BaseMinimizeStates]: Removed 11 edges and 4 locations by large block encoding [2024-09-21 19:07:48,522 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:07:48,522 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 19:07:48,540 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 19:07:48,540 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 19:07:48,558 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 19:07:48,612 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-21 19:07:48,612 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 19:07:48,613 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 19:07:48,613 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 19:07:48,613 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 19:07:48,613 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:07:48,620 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-21 19:07:48,621 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:07:48,621 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 19:07:48,621 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 19:07:48,621 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 19:07:48,621 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 19:07:48,630 INFO L520 InvariantChecker]: The annotation(s) from loop head L44 to loop head mainErr2ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-21 19:07:48,644 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 4 edges [2024-09-21 19:07:48,645 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 19:07:48,645 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 19:07:48,645 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 19:07:48,645 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 19:07:48,646 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:07:48,648 INFO L101 BaseMinimizeStates]: Removed 6 edges and 3 locations by large block encoding [2024-09-21 19:07:48,649 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:07:48,649 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 19:07:48,649 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 19:07:48,649 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 19:07:48,649 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 19:07:48,652 INFO L520 InvariantChecker]: The annotation(s) from entry mainENTRY to loop head mainErr1ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-21 19:07:48,667 INFO L314 BlockEncoder]: Initial Icfg 9 locations, 13 edges [2024-09-21 19:07:48,668 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 19:07:48,668 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 19:07:48,668 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 19:07:48,668 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 19:07:48,669 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:07:48,886 INFO L101 BaseMinimizeStates]: Removed 83 edges and 7 locations by large block encoding [2024-09-21 19:07:48,886 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:07:48,886 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 19:07:48,887 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 19:07:48,887 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 19:07:48,943 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 19:07:48,963 INFO L314 BlockEncoder]: Initial Icfg 3 locations, 2 edges [2024-09-21 19:07:48,963 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 19:07:48,964 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 19:07:48,964 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 19:07:48,964 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 19:07:48,964 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:07:48,965 INFO L101 BaseMinimizeStates]: Removed 2 edges and 1 locations by large block encoding [2024-09-21 19:07:48,965 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:07:48,966 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 19:07:48,966 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 19:07:48,966 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 19:07:48,966 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 19:07:48,968 INFO L520 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to error location ULTIMATE.startErr0REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-21 19:07:48,977 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-21 19:07:48,978 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 19:07:48,978 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 19:07:48,978 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 19:07:48,978 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 19:07:48,979 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:07:48,979 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-21 19:07:48,980 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:07:48,981 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 19:07:48,982 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 19:07:48,982 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 19:07:48,982 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 19:07:48,994 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 5 edges [2024-09-21 19:07:48,995 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 19:07:48,995 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 19:07:48,995 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 19:07:48,995 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 19:07:48,995 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:07:48,996 INFO L101 BaseMinimizeStates]: Removed 9 edges and 3 locations by large block encoding [2024-09-21 19:07:48,996 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:07:48,996 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 19:07:48,997 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 19:07:48,997 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 19:07:48,997 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 19:07:48,999 INFO L520 InvariantChecker]: The annotation(s) from loop head L44 to error location mainErr3ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-21 19:07:49,010 INFO L58 RefereeStarter]: Annotation is not a valid proof of correctness. [2024-09-21 19:07:49,013 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@68d4bfb6 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CFG 21.09 07:07:49, skipping insertion in model container [2024-09-21 19:07:49,013 INFO L131 PluginConnector]: ------------------------ END Referee---------------------------- [2024-09-21 19:07:49,015 INFO L158 Benchmark]: Toolchain (without parser) took 1528.58ms. Allocated memory is still 205.5MB. Free memory was 133.0MB in the beginning and 153.4MB in the end (delta: -20.4MB). Peak memory consumption was 65.2MB. Max. memory is 16.1GB. [2024-09-21 19:07:49,016 INFO L158 Benchmark]: CDTParser took 0.18ms. Allocated memory is still 127.9MB. Free memory was 93.3MB in the beginning and 93.2MB in the end (delta: 160.8kB). There was no memory consumed. Max. memory is 16.1GB. [2024-09-21 19:07:49,017 INFO L158 Benchmark]: Witness Parser took 0.29ms. Allocated memory is still 205.5MB. Free memory is still 135.1MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-21 19:07:49,018 INFO L158 Benchmark]: CACSL2BoogieTranslator took 315.78ms. Allocated memory is still 205.5MB. Free memory was 132.6MB in the beginning and 117.8MB in the end (delta: 14.8MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-09-21 19:07:49,019 INFO L158 Benchmark]: Boogie Preprocessor took 59.31ms. Allocated memory is still 205.5MB. Free memory was 117.4MB in the beginning and 115.1MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-09-21 19:07:49,020 INFO L158 Benchmark]: RCFGBuilder took 399.49ms. Allocated memory is still 205.5MB. Free memory was 115.1MB in the beginning and 94.9MB in the end (delta: 20.2MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2024-09-21 19:07:49,020 INFO L158 Benchmark]: Referee took 749.77ms. Allocated memory is still 205.5MB. Free memory was 94.9MB in the beginning and 153.4MB in the end (delta: -58.5MB). Peak memory consumption was 27.4MB. Max. memory is 16.1GB. [2024-09-21 19:07:49,023 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 27 to loop head at line 27. One counterexample starts in a=0, b=0, c=49, d=0, last=49, SIZE=50, st=0 and ends in a=0, b=0, c=50, d=0, last=49, SIZE=50, st=0. Annotation is not valid for all loop-free paths from entry of procedure __VERIFIER_assert to check that a call to reach_error is unreachable at line 12. One counterexample starts in \old(cond)=0 and ends in \old(cond)=0, cond=0. Annotation is not valid for all loop-free paths from loop head at line 27 to loop head at line 25. One counterexample starts in a=0, b=0, c=30, d=0, last=31, SIZE=0, st=50 and ends in a=0, b=1, c=30, d=0, last=31, SIZE=0, st=50. Annotation is valid for all loop-free paths from loop head at line 25 to loop head at line 27. Annotation is valid for all loop-free paths from loop head at line 25 to exit of procedure main. Annotation is valid for all loop-free paths from entry of procedure assume_abort_if_not to exit of procedure assume_abort_if_not. Annotation is valid for all loop-free paths from entry of procedure ULTIMATE.start to check that procedure precondition always holds at line -1. Annotation is valid for all loop-free paths from entry of procedure main to check that procedure precondition always holds at line 23. Annotation is valid for all loop-free paths from entry of procedure main to loop head at line 25. * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18ms. Allocated memory is still 127.9MB. Free memory was 93.3MB in the beginning and 93.2MB in the end (delta: 160.8kB). There was no memory consumed. Max. memory is 16.1GB. * Witness Parser took 0.29ms. Allocated memory is still 205.5MB. Free memory is still 135.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 315.78ms. Allocated memory is still 205.5MB. Free memory was 132.6MB in the beginning and 117.8MB in the end (delta: 14.8MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Preprocessor took 59.31ms. Allocated memory is still 205.5MB. Free memory was 117.4MB in the beginning and 115.1MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 399.49ms. Allocated memory is still 205.5MB. Free memory was 115.1MB in the beginning and 94.9MB in the end (delta: 20.2MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * Referee took 749.77ms. Allocated memory is still 205.5MB. Free memory was 94.9MB in the beginning and 153.4MB in the end (delta: -58.5MB). Peak memory consumption was 27.4MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be incorrect! [2024-09-21 19:07:49,063 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...