This is Ultimate 0.2.4-tmp.dk.referee-eval-f1d7dc9-m [2024-09-20 13:29:45,687 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-20 13:29:45,751 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Default.epf [2024-09-20 13:29:45,756 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-20 13:29:45,757 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-20 13:29:45,801 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-20 13:29:45,802 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-20 13:29:45,802 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-20 13:29:45,803 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-20 13:29:45,803 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-20 13:29:45,804 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-20 13:29:45,804 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-20 13:29:45,804 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-20 13:29:45,805 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-20 13:29:45,805 INFO L153 SettingsManager]: * Use SBE=true [2024-09-20 13:29:45,806 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-20 13:29:45,808 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-20 13:29:45,808 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-20 13:29:45,808 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-09-20 13:29:45,808 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-20 13:29:45,809 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-20 13:29:45,813 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-20 13:29:45,814 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-20 13:29:45,814 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-20 13:29:45,814 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-20 13:29:45,814 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-20 13:29:45,815 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-20 13:29:45,815 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-20 13:29:45,815 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-20 13:29:45,815 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-20 13:29:45,816 INFO L153 SettingsManager]: * Future-live optimization=false [2024-09-20 13:29:45,816 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-20 13:29:45,816 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-20 13:29:45,816 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-20 13:29:45,817 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-20 13:29:45,817 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-20 13:29:45,817 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-20 13:29:45,817 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-09-20 13:29:45,818 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-09-20 13:29:45,818 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-20 13:29:45,818 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-20 13:29:45,825 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-20 13:29:45,825 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-20 13:29:45,825 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None [2024-09-20 13:29:46,050 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-20 13:29:46,075 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-20 13:29:46,077 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-20 13:29:46,078 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-20 13:29:46,079 INFO L274 PluginConnector]: CDTParser initialized [2024-09-20 13:29:46,080 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/recursified_loop-simple/recursified_nested_2.c [2024-09-20 13:29:47,409 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-20 13:29:47,669 INFO L384 CDTParser]: Found 1 translation units. [2024-09-20 13:29:47,669 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/recursified_loop-simple/recursified_nested_2.c [2024-09-20 13:29:47,675 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/4a0b29111/4e4d9ff5e45249bc9aa0f21bec8059a1/FLAG13af8d335 [2024-09-20 13:29:47,994 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/4a0b29111/4e4d9ff5e45249bc9aa0f21bec8059a1 [2024-09-20 13:29:47,996 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-20 13:29:47,997 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-20 13:29:47,998 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/automizer-verification-files/SV-COMP24_unreach-call/recursified_nested_2.yml/witness-2.1.yml [2024-09-20 13:29:48,046 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-20 13:29:48,047 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-09-20 13:29:48,049 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-20 13:29:48,050 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-20 13:29:48,054 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-20 13:29:48,055 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 01:29:47" (1/2) ... [2024-09-20 13:29:48,056 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@8523e1a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:29:48, skipping insertion in model container [2024-09-20 13:29:48,056 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 01:29:47" (1/2) ... [2024-09-20 13:29:48,057 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@76a7f2c6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:29:48, skipping insertion in model container [2024-09-20 13:29:48,057 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 01:29:48" (2/2) ... [2024-09-20 13:29:48,058 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@8523e1a and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 20.09 01:29:48, skipping insertion in model container [2024-09-20 13:29:48,058 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 01:29:48" (2/2) ... [2024-09-20 13:29:48,062 INFO L90 nessWitnessExtractor]: Witness did not contain any usable entries. [2024-09-20 13:29:48,083 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-20 13:29:48,229 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/recursified_loop-simple/recursified_nested_2.c[1611,1624] [2024-09-20 13:29:48,235 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-20 13:29:48,250 INFO L200 MainTranslator]: Completed pre-run [2024-09-20 13:29:48,264 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/recursified_loop-simple/recursified_nested_2.c[1611,1624] [2024-09-20 13:29:48,265 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-20 13:29:48,280 INFO L204 MainTranslator]: Completed translation [2024-09-20 13:29:48,281 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 20.09 01:29:48 WrapperNode [2024-09-20 13:29:48,281 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-20 13:29:48,282 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-20 13:29:48,282 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-20 13:29:48,282 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-20 13:29:48,298 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 01:29:48" (1/1) ... [2024-09-20 13:29:48,298 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 01:29:48" (1/1) ... [2024-09-20 13:29:48,303 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 01:29:48" (1/1) ... [2024-09-20 13:29:48,317 INFO L175 MemorySlicer]: Split 14 memory accesses to 3 slices as follows [2, 6, 6]. 43 percent of accesses are in the largest equivalence class. The 4 initializations are split as follows [2, 1, 1]. The 4 writes are split as follows [0, 2, 2]. [2024-09-20 13:29:48,318 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 01:29:48" (1/1) ... [2024-09-20 13:29:48,318 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 01:29:48" (1/1) ... [2024-09-20 13:29:48,323 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 01:29:48" (1/1) ... [2024-09-20 13:29:48,325 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 01:29:48" (1/1) ... [2024-09-20 13:29:48,327 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 01:29:48" (1/1) ... [2024-09-20 13:29:48,328 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 01:29:48" (1/1) ... [2024-09-20 13:29:48,330 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-20 13:29:48,331 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-20 13:29:48,331 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-20 13:29:48,331 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-20 13:29:48,332 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 01:29:48" (1/1) ... [2024-09-20 13:29:48,339 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-20 13:29:48,351 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-09-20 13:29:48,367 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 13:29:48,373 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 13:29:48,417 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-09-20 13:29:48,417 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-20 13:29:48,417 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-09-20 13:29:48,418 INFO L138 BoogieDeclarations]: Found implementation of procedure func_to_recursive_line_21_to_21_0 [2024-09-20 13:29:48,418 INFO L138 BoogieDeclarations]: Found implementation of procedure func_to_recursive_line_20_to_21_0 [2024-09-20 13:29:48,418 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-09-20 13:29:48,419 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-09-20 13:29:48,419 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-09-20 13:29:48,420 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-20 13:29:48,420 INFO L130 BoogieDeclarations]: Found specification of procedure func_to_recursive_line_21_to_21_0 [2024-09-20 13:29:48,420 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-09-20 13:29:48,420 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-09-20 13:29:48,420 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-09-20 13:29:48,421 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-09-20 13:29:48,421 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-09-20 13:29:48,421 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-09-20 13:29:48,421 INFO L130 BoogieDeclarations]: Found specification of procedure func_to_recursive_line_20_to_21_0 [2024-09-20 13:29:48,421 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-09-20 13:29:48,421 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-09-20 13:29:48,421 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-09-20 13:29:48,422 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-09-20 13:29:48,422 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-09-20 13:29:48,422 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-09-20 13:29:48,422 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-09-20 13:29:48,422 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-20 13:29:48,515 INFO L242 CfgBuilder]: Building ICFG [2024-09-20 13:29:48,517 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-20 13:29:48,668 INFO L291 CfgBuilder]: Performing block encoding [2024-09-20 13:29:48,689 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-20 13:29:48,689 INFO L318 CfgBuilder]: Removed 0 assume(true) statements. [2024-09-20 13:29:48,690 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 01:29:48 BoogieIcfgContainer [2024-09-20 13:29:48,690 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-20 13:29:48,690 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-09-20 13:29:48,691 INFO L270 PluginConnector]: Initializing Referee... [2024-09-20 13:29:48,691 INFO L274 PluginConnector]: Referee initialized [2024-09-20 13:29:48,691 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 20.09 01:29:47" (1/4) ... [2024-09-20 13:29:48,692 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@5c534520 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 20.09 01:29:48, skipping insertion in model container [2024-09-20 13:29:48,692 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 01:29:48" (2/4) ... [2024-09-20 13:29:48,692 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@5c534520 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 20.09 01:29:48, skipping insertion in model container [2024-09-20 13:29:48,692 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 01:29:48" (3/4) ... [2024-09-20 13:29:48,693 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@5c534520 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 20.09 01:29:48, skipping insertion in model container [2024-09-20 13:29:48,693 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 01:29:48" (4/4) ... [2024-09-20 13:29:48,694 INFO L79 RefereeObserver]: Analyzing ICFG recursified_nested_2.c [2024-09-20 13:29:48,697 INFO L113 InvariantChecker]: Found 0 loops. [2024-09-20 13:29:48,698 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr0ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 7 edges. [2024-09-20 13:29:48,698 INFO L131 InvariantChecker]: Will check 1 loop-free subgraphs from procedure entry to error location [2024-09-20 13:29:48,726 INFO L314 BlockEncoder]: Initial Icfg 7 locations, 7 edges [2024-09-20 13:29:48,727 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 13:29:48,728 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 13:29:48,728 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 13:29:48,729 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 13:29:48,731 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:29:48,775 INFO L101 BaseMinimizeStates]: Removed 13 edges and 5 locations by large block encoding [2024-09-20 13:29:48,776 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:29:48,777 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 13:29:48,777 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 13:29:48,777 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 13:29:48,785 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 13:29:48,833 INFO L58 RefereeStarter]: Annotation is not a valid proof of correctness. [2024-09-20 13:29:48,833 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@5c534520 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CFG 20.09 01:29:48, skipping insertion in model container [2024-09-20 13:29:48,833 INFO L131 PluginConnector]: ------------------------ END Referee---------------------------- [2024-09-20 13:29:48,834 INFO L158 Benchmark]: Toolchain (without parser) took 786.78ms. Allocated memory is still 165.7MB. Free memory was 130.5MB in the beginning and 92.7MB in the end (delta: 37.7MB). Peak memory consumption was 37.7MB. Max. memory is 16.1GB. [2024-09-20 13:29:48,835 INFO L158 Benchmark]: CDTParser took 0.21ms. Allocated memory is still 165.7MB. Free memory is still 133.4MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-20 13:29:48,835 INFO L158 Benchmark]: Witness Parser took 0.21ms. Allocated memory is still 165.7MB. Free memory is still 132.5MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-20 13:29:48,836 INFO L158 Benchmark]: CACSL2BoogieTranslator took 231.60ms. Allocated memory is still 165.7MB. Free memory was 130.5MB in the beginning and 117.9MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-09-20 13:29:48,836 INFO L158 Benchmark]: Boogie Preprocessor took 48.26ms. Allocated memory is still 165.7MB. Free memory was 117.9MB in the beginning and 115.8MB in the end (delta: 2.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-09-20 13:29:48,836 INFO L158 Benchmark]: RCFGBuilder took 359.36ms. Allocated memory is still 165.7MB. Free memory was 115.8MB in the beginning and 102.5MB in the end (delta: 13.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-09-20 13:29:48,837 INFO L158 Benchmark]: Referee took 142.72ms. Allocated memory is still 165.7MB. Free memory was 102.5MB in the beginning and 92.7MB in the end (delta: 9.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-09-20 13:29:48,840 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 entry of procedure main to check that a call to reach_error is unreachable at line 69. One counterexample starts in and ends in a={-2:0}, b={-1:0}. * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21ms. Allocated memory is still 165.7MB. Free memory is still 133.4MB. There was no memory consumed. Max. memory is 16.1GB. * Witness Parser took 0.21ms. Allocated memory is still 165.7MB. Free memory is still 132.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 231.60ms. Allocated memory is still 165.7MB. Free memory was 130.5MB in the beginning and 117.9MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Preprocessor took 48.26ms. Allocated memory is still 165.7MB. Free memory was 117.9MB in the beginning and 115.8MB in the end (delta: 2.1MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 359.36ms. Allocated memory is still 165.7MB. Free memory was 115.8MB in the beginning and 102.5MB in the end (delta: 13.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Referee took 142.72ms. Allocated memory is still 165.7MB. Free memory was 102.5MB in the beginning and 92.7MB in the end (delta: 9.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be incorrect! [2024-09-20 13:29:48,868 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...