This is Ultimate 0.2.4-dev-5189fb6-m [2024-09-13 05:11:22,760 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-13 05:11:22,839 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Default.epf [2024-09-13 05:11:22,845 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-13 05:11:22,846 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-13 05:11:22,871 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-13 05:11:22,873 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-13 05:11:22,873 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-13 05:11:22,874 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-13 05:11:22,875 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-13 05:11:22,876 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-13 05:11:22,877 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-13 05:11:22,877 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-13 05:11:22,877 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-13 05:11:22,878 INFO L153 SettingsManager]: * Use SBE=true [2024-09-13 05:11:22,878 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-13 05:11:22,880 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-13 05:11:22,880 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-13 05:11:22,880 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-09-13 05:11:22,881 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-13 05:11:22,884 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-13 05:11:22,885 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-13 05:11:22,885 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-13 05:11:22,885 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-13 05:11:22,885 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-13 05:11:22,885 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-13 05:11:22,886 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-13 05:11:22,886 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-13 05:11:22,886 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-13 05:11:22,886 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-13 05:11:22,887 INFO L153 SettingsManager]: * Future-live optimization=false [2024-09-13 05:11:22,887 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-13 05:11:22,887 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-13 05:11:22,887 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-13 05:11:22,888 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-13 05:11:22,888 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-13 05:11:22,889 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-13 05:11:22,890 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-09-13 05:11:22,890 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-09-13 05:11:22,890 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-13 05:11:22,890 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-13 05:11:22,891 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-13 05:11:22,891 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-13 05:11:22,891 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None [2024-09-13 05:11:23,113 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-13 05:11:23,134 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-13 05:11:23,137 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-13 05:11:23,138 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-13 05:11:23,138 INFO L274 PluginConnector]: CDTParser initialized [2024-09-13 05:11:23,139 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/recursive-simple/sum_2x3-2.c [2024-09-13 05:11:24,421 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-13 05:11:24,591 INFO L384 CDTParser]: Found 1 translation units. [2024-09-13 05:11:24,592 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/recursive-simple/sum_2x3-2.c [2024-09-13 05:11:24,599 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/f6ca5a85e/6f0e43048c67470b8843619dc9371d9d/FLAG1d20b9d00 [2024-09-13 05:11:24,611 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/f6ca5a85e/6f0e43048c67470b8843619dc9371d9d [2024-09-13 05:11:24,613 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-13 05:11:24,614 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-13 05:11:24,614 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/automizer-verification-files/SV-COMP24_unreach-call/sum_2x3-2.yml/witness-2.1.yml [2024-09-13 05:11:24,657 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-13 05:11:24,658 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-09-13 05:11:24,661 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-13 05:11:24,661 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-13 05:11:24,665 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-13 05:11:24,666 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.09 05:11:24" (1/2) ... [2024-09-13 05:11:24,669 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@b1d5842 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 05:11:24, skipping insertion in model container [2024-09-13 05:11:24,669 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.09 05:11:24" (1/2) ... [2024-09-13 05:11:24,670 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@6b968478 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 05:11:24, skipping insertion in model container [2024-09-13 05:11:24,671 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 13.09 05:11:24" (2/2) ... [2024-09-13 05:11:24,671 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@b1d5842 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 13.09 05:11:24, skipping insertion in model container [2024-09-13 05:11:24,682 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 13.09 05:11:24" (2/2) ... [2024-09-13 05:11:24,689 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-13 05:11:24,690 INFO L1541 ArrayList]: Function contract at [L5]: requires null, ensures (((((\result == (2 + \old(m))) && (2 == \old(n))) || ((\result <= \old(m)) && ((\old(n) + \old(m)) <= \result))) || ((\result == ((long long) \old(m) + 1)) && (\old(n) == 1))) || (2 < \old(n))) [2024-09-13 05:11:24,708 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-13 05:11:24,858 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/recursive-simple/sum_2x3-2.c[479,492] [2024-09-13 05:11:24,861 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-13 05:11:24,872 INFO L200 MainTranslator]: Completed pre-run Start Parsing Global [2024-09-13 05:11:24,909 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/recursive-simple/sum_2x3-2.c[479,492] [2024-09-13 05:11:24,910 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-13 05:11:24,927 INFO L204 MainTranslator]: Completed translation [2024-09-13 05:11:24,928 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 13.09 05:11:24 WrapperNode [2024-09-13 05:11:24,928 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-13 05:11:24,929 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-13 05:11:24,929 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-13 05:11:24,929 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-13 05:11:24,941 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 13.09 05:11:24" (1/1) ... [2024-09-13 05:11:24,942 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 13.09 05:11:24" (1/1) ... [2024-09-13 05:11:24,947 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 13.09 05:11:24" (1/1) ... [2024-09-13 05:11:24,955 WARN L109 MemorySlicer]: Omit memory slicing because it failed with the following exception: Unsupported: Procedure sum is not part of the Ultimate memory model but has specification other that is not a ModifiesSpecification [2024-09-13 05:11:24,955 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 13.09 05:11:24" (1/1) ... [2024-09-13 05:11:24,956 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 13.09 05:11:24" (1/1) ... [2024-09-13 05:11:24,959 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 13.09 05:11:24" (1/1) ... [2024-09-13 05:11:24,960 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 13.09 05:11:24" (1/1) ... [2024-09-13 05:11:24,961 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 13.09 05:11:24" (1/1) ... [2024-09-13 05:11:24,961 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 13.09 05:11:24" (1/1) ... [2024-09-13 05:11:24,963 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-13 05:11:24,965 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-13 05:11:24,966 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-13 05:11:24,966 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-13 05:11:24,966 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 13.09 05:11:24" (1/1) ... [2024-09-13 05:11:24,971 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-13 05:11:24,979 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-09-13 05:11:24,995 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) [2024-09-13 05:11:25,002 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 [2024-09-13 05:11:25,044 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-09-13 05:11:25,045 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-13 05:11:25,045 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-09-13 05:11:25,045 INFO L138 BoogieDeclarations]: Found implementation of procedure sum [2024-09-13 05:11:25,045 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-09-13 05:11:25,046 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-09-13 05:11:25,046 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-09-13 05:11:25,046 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-09-13 05:11:25,047 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-13 05:11:25,047 INFO L130 BoogieDeclarations]: Found specification of procedure sum [2024-09-13 05:11:25,047 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-09-13 05:11:25,047 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-09-13 05:11:25,048 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-09-13 05:11:25,048 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-13 05:11:25,048 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-09-13 05:11:25,048 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-09-13 05:11:25,048 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-09-13 05:11:25,116 INFO L242 CfgBuilder]: Building ICFG [2024-09-13 05:11:25,118 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-13 05:11:25,208 INFO L291 CfgBuilder]: Performing block encoding [2024-09-13 05:11:25,231 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-13 05:11:25,232 INFO L318 CfgBuilder]: Removed 0 assume(true) statements. [2024-09-13 05:11:25,232 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.09 05:11:25 BoogieIcfgContainer [2024-09-13 05:11:25,232 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-13 05:11:25,233 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-09-13 05:11:25,233 INFO L270 PluginConnector]: Initializing Referee... [2024-09-13 05:11:25,234 INFO L274 PluginConnector]: Referee initialized [2024-09-13 05:11:25,235 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 13.09 05:11:24" (1/4) ... [2024-09-13 05:11:25,235 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@5c5dc104 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 13.09 05:11:25, skipping insertion in model container [2024-09-13 05:11:25,235 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 13.09 05:11:24" (2/4) ... [2024-09-13 05:11:25,235 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@5c5dc104 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 13.09 05:11:25, skipping insertion in model container [2024-09-13 05:11:25,235 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 13.09 05:11:24" (3/4) ... [2024-09-13 05:11:25,236 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@5c5dc104 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 13.09 05:11:25, skipping insertion in model container [2024-09-13 05:11:25,236 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.09 05:11:25" (4/4) ... [2024-09-13 05:11:25,238 INFO L79 RefereeObserver]: Analyzing ICFG sum_2x3-2.c [2024-09-13 05:11:25,240 INFO L112 InvariantChecker]: Found 0 loops. [2024-09-13 05:11:25,241 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr0ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 5 edges. [2024-09-13 05:11:25,241 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC sumErr0ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 6 edges. [2024-09-13 05:11:25,241 INFO L130 InvariantChecker]: Will check 2 loop-free subgraphs from procedure entry to error location [2024-09-13 05:11:25,296 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 5 edges [2024-09-13 05:11:25,297 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 05:11:25,297 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 05:11:25,298 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 05:11:25,299 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 05:11:25,300 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:11:25,319 INFO L101 BaseMinimizeStates]: Removed 8 edges and 4 locations by large block encoding [2024-09-13 05:11:25,320 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:11:25,321 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 05:11:25,321 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 05:11:25,321 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 05:11:25,322 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 05:11:25,341 INFO L514 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to error location mainErr0ASSERT_VIOLATIONERROR_FUNCTION is inductive. [2024-09-13 05:11:25,354 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 6 edges [2024-09-13 05:11:25,355 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 05:11:25,355 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 05:11:25,355 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 05:11:25,355 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 05:11:25,356 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:11:25,380 INFO L101 BaseMinimizeStates]: Removed 10 edges and 4 locations by large block encoding [2024-09-13 05:11:25,381 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:11:25,381 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 05:11:25,381 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 05:11:25,381 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 05:11:25,400 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 05:11:25,410 INFO L514 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to error location sumErr0ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-13 05:11:25,413 INFO L58 RefereeStarter]: Annotation is a valid proof of correctness. [2024-09-13 05:11:25,414 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@5c5dc104 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CFG 13.09 05:11:25, skipping insertion in model container [2024-09-13 05:11:25,414 INFO L131 PluginConnector]: ------------------------ END Referee---------------------------- [2024-09-13 05:11:25,416 INFO L158 Benchmark]: Toolchain (without parser) took 756.80ms. Allocated memory was 125.8MB in the beginning and 165.7MB in the end (delta: 39.8MB). Free memory was 54.9MB in the beginning and 101.5MB in the end (delta: -46.7MB). There was no memory consumed. Max. memory is 16.1GB. [2024-09-13 05:11:25,417 INFO L158 Benchmark]: CDTParser took 0.12ms. Allocated memory is still 125.8MB. Free memory was 97.1MB in the beginning and 97.0MB in the end (delta: 141.4kB). There was no memory consumed. Max. memory is 16.1GB. [2024-09-13 05:11:25,418 INFO L158 Benchmark]: Witness Parser took 0.17ms. Allocated memory is still 125.8MB. Free memory is still 56.7MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-13 05:11:25,418 INFO L158 Benchmark]: CACSL2BoogieTranslator took 267.77ms. Allocated memory was 125.8MB in the beginning and 165.7MB in the end (delta: 39.8MB). Free memory was 54.7MB in the beginning and 126.2MB in the end (delta: -71.5MB). Peak memory consumption was 9.7MB. Max. memory is 16.1GB. [2024-09-13 05:11:25,419 INFO L158 Benchmark]: Boogie Preprocessor took 35.45ms. Allocated memory is still 165.7MB. Free memory was 126.2MB in the beginning and 124.5MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-09-13 05:11:25,420 INFO L158 Benchmark]: RCFGBuilder took 267.09ms. Allocated memory is still 165.7MB. Free memory was 124.5MB in the beginning and 112.8MB in the end (delta: 11.7MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-09-13 05:11:25,421 INFO L158 Benchmark]: Referee took 181.43ms. Allocated memory is still 165.7MB. Free memory was 112.8MB in the beginning and 101.5MB in the end (delta: 11.3MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2024-09-13 05:11:25,424 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.referee: - AnnotationCheckResult: Annotation is a valid proof of correctness. Annotation is a valid proof of correctness. Annotation is valid for all loop-free paths from entry of procedure sum to exit of procedure sum. Annotation is valid for all loop-free paths from entry of procedure main to check that a call to reach_error is unreachable at line 18. * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12ms. Allocated memory is still 125.8MB. Free memory was 97.1MB in the beginning and 97.0MB in the end (delta: 141.4kB). There was no memory consumed. Max. memory is 16.1GB. * Witness Parser took 0.17ms. Allocated memory is still 125.8MB. Free memory is still 56.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 267.77ms. Allocated memory was 125.8MB in the beginning and 165.7MB in the end (delta: 39.8MB). Free memory was 54.7MB in the beginning and 126.2MB in the end (delta: -71.5MB). Peak memory consumption was 9.7MB. Max. memory is 16.1GB. * Boogie Preprocessor took 35.45ms. Allocated memory is still 165.7MB. Free memory was 126.2MB in the beginning and 124.5MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 267.09ms. Allocated memory is still 165.7MB. Free memory was 124.5MB in the beginning and 112.8MB in the end (delta: 11.7MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Referee took 181.43ms. Allocated memory is still 165.7MB. Free memory was 112.8MB in the beginning and 101.5MB in the end (delta: 11.3MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-09-13 05:11:25,454 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...