This is Ultimate 0.2.5-wip.dk.contract-modifies-e378df2-m [2024-10-15 15:33:59,737 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-15 15:33:59,784 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Default.epf [2024-10-15 15:33:59,789 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-15 15:33:59,789 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-15 15:33:59,812 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-15 15:33:59,813 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-15 15:33:59,816 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-15 15:33:59,816 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-15 15:33:59,817 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-15 15:33:59,817 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-15 15:33:59,817 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-15 15:33:59,817 INFO L153 SettingsManager]: * Use SBE=true [2024-10-15 15:33:59,818 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-15 15:33:59,818 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-15 15:33:59,818 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-15 15:33:59,818 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-15 15:33:59,818 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-15 15:33:59,819 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-15 15:33:59,819 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-15 15:33:59,819 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-15 15:33:59,821 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-15 15:33:59,821 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-15 15:33:59,821 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-15 15:33:59,822 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-15 15:33:59,822 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-15 15:33:59,822 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-15 15:33:59,822 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-15 15:33:59,823 INFO L153 SettingsManager]: * Future-live optimization=false [2024-10-15 15:33:59,823 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-15 15:33:59,823 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-15 15:33:59,823 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None Applying setting for plugin de.uni_freiburg.informatik.ultimate.boogie.procedureinliner: Inline calls to implemented procedures -> NEVER [2024-10-15 15:34:00,061 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-15 15:34:00,094 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-15 15:34:00,096 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-15 15:34:00,096 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-10-15 15:34:00,097 INFO L274 PluginConnector]: Witness Parser initialized [2024-10-15 15:34:00,098 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/automizer-verification-files/SV-COMP24_unreach-call/Ackermann03.yml/witness-2.1.yml [2024-10-15 15:34:00,135 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-15 15:34:00,135 INFO L274 PluginConnector]: CDTParser initialized [2024-10-15 15:34:00,135 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/recursive/Ackermann03.c [2024-10-15 15:34:01,592 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-15 15:34:01,746 INFO L384 CDTParser]: Found 1 translation units. [2024-10-15 15:34:01,746 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/recursive/Ackermann03.c [2024-10-15 15:34:01,752 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/d01ae394e/668d48c0b8fb4470a94da09686e55446/FLAG8c719391b [2024-10-15 15:34:02,167 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/d01ae394e/668d48c0b8fb4470a94da09686e55446 [2024-10-15 15:34:02,168 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-15 15:34:02,169 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-10-15 15:34:02,170 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-15 15:34:02,172 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-15 15:34:02,175 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-15 15:34:02,176 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 15.10 03:34:00" (1/2) ... [2024-10-15 15:34:02,178 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5259ba30 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 15.10 03:34:02, skipping insertion in model container [2024-10-15 15:34:02,179 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 15.10 03:34:00" (1/2) ... [2024-10-15 15:34:02,180 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@289376c2 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 15.10 03:34:02, skipping insertion in model container [2024-10-15 15:34:02,181 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 03:34:02" (2/2) ... [2024-10-15 15:34:02,181 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5259ba30 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:34:02, skipping insertion in model container [2024-10-15 15:34:02,181 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 03:34:02" (2/2) ... [2024-10-15 15:34:02,186 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-10-15 15:34:02,188 INFO L1541 ArrayList]: Function contract at [L16]: requires null, ensures (((((((((((((((((\result == 5) && (n == 3)) || (((\result == 3) && (n == 1)) && (m == 1))) || (m == 0)) || (((2 <= m) && (3 <= n)) && (5 <= \result))) || (((n == 0) && (\result == 2)) && (m == 1))) || (((2 <= m) && (2 <= n)) && (\result == 7))) || ((\result == 5) && (n == 1))) || (((\result == 7) && (5 <= n)) && (m == 1))) || (((n == 0) && (2 <= m)) && (\result == 3))) || ((\result == 6) && (n == 4))) || (((5 <= \result) && (6 <= n)) && (m == 1))) || (((\result == 4) && (n == 2)) && (m == 1))) || ((3 <= m) && (3 <= \result))) && ((0 < m) || (\result == ((long long) n + 1)))) && (((((\result == 3) && (m == 1)) || (1 < m)) || (\result == 2)) || (n != 1))) && (((m == 0) || (n == 0)) || (0 < n))) [2024-10-15 15:34:02,201 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-15 15:34:02,353 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/recursive/Ackermann03.c[1168,1181] [2024-10-15 15:34:02,357 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-15 15:34:02,366 INFO L200 MainTranslator]: Completed pre-run Start Parsing Global [2024-10-15 15:34:02,411 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/recursive/Ackermann03.c[1168,1181] [2024-10-15 15:34:02,411 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-15 15:34:02,426 INFO L204 MainTranslator]: Completed translation [2024-10-15 15:34:02,426 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:34:02 WrapperNode [2024-10-15 15:34:02,426 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-15 15:34:02,427 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-15 15:34:02,427 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-15 15:34:02,427 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-15 15:34:02,432 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:34:02" (1/1) ... [2024-10-15 15:34:02,439 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:34:02" (1/1) ... [2024-10-15 15:34:02,443 INFO L138 Inliner]: procedures = 13, calls = 11, calls flagged for inlining = 0, calls inlined = 0, statements flattened = 0 [2024-10-15 15:34:02,444 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-15 15:34:02,445 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-15 15:34:02,445 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-15 15:34:02,445 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-15 15:34:02,452 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:34:02" (1/1) ... [2024-10-15 15:34:02,453 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:34:02" (1/1) ... [2024-10-15 15:34:02,458 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:34:02" (1/1) ... [2024-10-15 15:34:02,465 WARN L109 MemorySlicer]: Omit memory slicing because it failed with the following exception: Unsupported: Procedure ackermann is not part of the Ultimate memory model but has specification other that is not a ModifiesSpecification [2024-10-15 15:34:02,466 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:34:02" (1/1) ... [2024-10-15 15:34:02,466 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:34:02" (1/1) ... [2024-10-15 15:34:02,470 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:34:02" (1/1) ... [2024-10-15 15:34:02,472 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:34:02" (1/1) ... [2024-10-15 15:34:02,472 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:34:02" (1/1) ... [2024-10-15 15:34:02,476 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:34:02" (1/1) ... [2024-10-15 15:34:02,477 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-15 15:34:02,477 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-15 15:34:02,478 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-15 15:34:02,478 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-15 15:34:02,478 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:34:02" (1/1) ... [2024-10-15 15:34:02,483 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-15 15:34:02,490 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-10-15 15:34:02,509 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) [2024-10-15 15:34:02,516 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 [2024-10-15 15:34:02,553 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-15 15:34:02,553 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-10-15 15:34:02,554 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-10-15 15:34:02,554 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-15 15:34:02,554 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-15 15:34:02,554 INFO L130 BoogieDeclarations]: Found specification of procedure ackermann [2024-10-15 15:34:02,554 INFO L138 BoogieDeclarations]: Found implementation of procedure ackermann [2024-10-15 15:34:02,554 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-10-15 15:34:02,555 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-10-15 15:34:02,555 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-10-15 15:34:02,601 INFO L238 CfgBuilder]: Building ICFG [2024-10-15 15:34:02,603 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-15 15:34:02,760 INFO L287 CfgBuilder]: Performing block encoding [2024-10-15 15:34:02,792 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-15 15:34:02,793 INFO L314 CfgBuilder]: Removed 0 assume(true) statements. [2024-10-15 15:34:02,793 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 03:34:02 BoogieIcfgContainer [2024-10-15 15:34:02,793 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-15 15:34:02,793 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-10-15 15:34:02,794 INFO L270 PluginConnector]: Initializing Referee... [2024-10-15 15:34:02,794 INFO L274 PluginConnector]: Referee initialized [2024-10-15 15:34:02,794 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 15.10 03:34:00" (1/4) ... [2024-10-15 15:34:02,795 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@10ca2cc0 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 15.10 03:34:02, skipping insertion in model container [2024-10-15 15:34:02,795 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 15.10 03:34:02" (2/4) ... [2024-10-15 15:34:02,795 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@10ca2cc0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 15.10 03:34:02, skipping insertion in model container [2024-10-15 15:34:02,795 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:34:02" (3/4) ... [2024-10-15 15:34:02,795 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@10ca2cc0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 15.10 03:34:02, skipping insertion in model container [2024-10-15 15:34:02,795 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 03:34:02" (4/4) ... [2024-10-15 15:34:02,800 INFO L79 RefereeObserver]: Analyzing ICFG Ackermann03.c [2024-10-15 15:34:02,807 INFO L113 InvariantChecker]: Found 0 loops. [2024-10-15 15:34:02,808 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr0ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 7 edges. [2024-10-15 15:34:02,808 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC ackermannErr0ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 12 edges. [2024-10-15 15:34:02,809 INFO L131 InvariantChecker]: Will check 2 loop-free subgraphs from procedure entry to error location [2024-10-15 15:34:02,850 INFO L309 BlockEncoder]: Initial Icfg 8 locations, 7 edges [2024-10-15 15:34:02,851 INFO L259 BlockEncoder]: Using Maximize final states [2024-10-15 15:34:02,851 INFO L266 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-10-15 15:34:02,852 INFO L272 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-10-15 15:34:02,856 INFO L167 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-10-15 15:34:02,859 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:34:02,892 INFO L101 BaseMinimizeStates]: Removed 12 edges and 6 locations by large block encoding [2024-10-15 15:34:02,894 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:34:02,894 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-10-15 15:34:02,894 INFO L233 BlockEncoder]: Using Create parallel compositions if possible [2024-10-15 15:34:02,895 INFO L68 ParallelComposer]: Creating parallel compositions [2024-10-15 15:34:02,895 INFO L309 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-10-15 15:34:02,916 INFO L520 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to error location mainErr0ASSERT_VIOLATIONERROR_FUNCTION is inductive. [2024-10-15 15:34:02,933 INFO L309 BlockEncoder]: Initial Icfg 11 locations, 12 edges [2024-10-15 15:34:02,933 INFO L259 BlockEncoder]: Using Maximize final states [2024-10-15 15:34:02,934 INFO L266 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-10-15 15:34:02,934 INFO L272 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-10-15 15:34:02,934 INFO L167 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-10-15 15:34:02,935 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:34:02,973 INFO L101 BaseMinimizeStates]: Removed 22 edges and 9 locations by large block encoding [2024-10-15 15:34:02,973 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:34:02,973 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-10-15 15:34:02,973 INFO L233 BlockEncoder]: Using Create parallel compositions if possible [2024-10-15 15:34:02,973 INFO L68 ParallelComposer]: Creating parallel compositions [2024-10-15 15:34:02,986 INFO L309 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-10-15 15:34:02,998 INFO L520 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to error location ackermannErr0ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-10-15 15:34:03,000 INFO L58 RefereeStarter]: Annotation is a valid proof of correctness. [2024-10-15 15:34:03,001 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@10ca2cc0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee CFG 15.10 03:34:03, skipping insertion in model container [2024-10-15 15:34:03,004 INFO L131 PluginConnector]: ------------------------ END Referee---------------------------- [2024-10-15 15:34:03,006 INFO L158 Benchmark]: Toolchain (without parser) took 835.87ms. Allocated memory was 79.7MB in the beginning and 119.5MB in the end (delta: 39.8MB). Free memory was 41.3MB in the beginning and 68.7MB in the end (delta: -27.3MB). Peak memory consumption was 15.6MB. Max. memory is 16.1GB. [2024-10-15 15:34:03,006 INFO L158 Benchmark]: Witness Parser took 0.18ms. Allocated memory is still 79.7MB. Free memory is still 62.8MB. There was no memory consumed. Max. memory is 16.1GB. [2024-10-15 15:34:03,006 INFO L158 Benchmark]: CDTParser took 9.68ms. Allocated memory is still 79.7MB. Free memory is still 60.8MB. There was no memory consumed. Max. memory is 16.1GB. [2024-10-15 15:34:03,007 INFO L158 Benchmark]: CACSL2BoogieTranslator took 256.68ms. Allocated memory is still 79.7MB. Free memory was 41.2MB in the beginning and 50.8MB in the end (delta: -9.7MB). Peak memory consumption was 11.9MB. Max. memory is 16.1GB. [2024-10-15 15:34:03,007 INFO L158 Benchmark]: Boogie Procedure Inliner took 16.71ms. Allocated memory is still 79.7MB. Free memory was 50.8MB in the beginning and 49.8MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. [2024-10-15 15:34:03,011 INFO L158 Benchmark]: Boogie Preprocessor took 32.11ms. Allocated memory is still 79.7MB. Free memory was 49.8MB in the beginning and 48.3MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-10-15 15:34:03,012 INFO L158 Benchmark]: RCFGBuilder took 315.59ms. Allocated memory was 79.7MB in the beginning and 119.5MB in the end (delta: 39.8MB). Free memory was 48.3MB in the beginning and 95.9MB in the end (delta: -47.6MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-10-15 15:34:03,012 INFO L158 Benchmark]: Referee took 210.63ms. Allocated memory is still 119.5MB. Free memory was 95.9MB in the beginning and 68.7MB in the end (delta: 27.3MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. [2024-10-15 15:34:03,015 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 main to check that a call to reach_error is unreachable at line 45. Annotation is valid for all loop-free paths from entry of procedure ackermann to exit of procedure ackermann. * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Witness Parser took 0.18ms. Allocated memory is still 79.7MB. Free memory is still 62.8MB. There was no memory consumed. Max. memory is 16.1GB. * CDTParser took 9.68ms. Allocated memory is still 79.7MB. Free memory is still 60.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 256.68ms. Allocated memory is still 79.7MB. Free memory was 41.2MB in the beginning and 50.8MB in the end (delta: -9.7MB). Peak memory consumption was 11.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 16.71ms. Allocated memory is still 79.7MB. Free memory was 50.8MB in the beginning and 49.8MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 32.11ms. Allocated memory is still 79.7MB. Free memory was 49.8MB in the beginning and 48.3MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 315.59ms. Allocated memory was 79.7MB in the beginning and 119.5MB in the end (delta: 39.8MB). Free memory was 48.3MB in the beginning and 95.9MB in the end (delta: -47.6MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Referee took 210.63ms. Allocated memory is still 119.5MB. Free memory was 95.9MB in the beginning and 68.7MB in the end (delta: 27.3MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2024-10-15 15:34:03,039 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...