This is Ultimate 0.2.5-wip.dk.contract-modifies-e378df2-m [2024-10-15 15:34:08,279 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-15 15:34:08,347 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Default.epf [2024-10-15 15:34:08,352 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-15 15:34:08,353 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-15 15:34:08,375 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-15 15:34:08,375 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-15 15:34:08,376 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-15 15:34:08,376 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-15 15:34:08,377 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-15 15:34:08,377 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-15 15:34:08,378 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-15 15:34:08,378 INFO L153 SettingsManager]: * Use SBE=true [2024-10-15 15:34:08,378 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-15 15:34:08,380 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-15 15:34:08,380 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-15 15:34:08,380 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-15 15:34:08,380 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-15 15:34:08,381 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-15 15:34:08,381 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-15 15:34:08,385 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-15 15:34:08,385 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-15 15:34:08,386 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-15 15:34:08,386 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-15 15:34:08,386 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-15 15:34:08,386 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-15 15:34:08,386 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-15 15:34:08,386 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-15 15:34:08,387 INFO L153 SettingsManager]: * Future-live optimization=false [2024-10-15 15:34:08,387 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-15 15:34:08,387 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-15 15:34:08,387 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None Applying setting for plugin de.uni_freiburg.informatik.ultimate.boogie.procedureinliner: Inline calls to implemented procedures -> NEVER [2024-10-15 15:34:08,622 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-15 15:34:08,637 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-15 15:34:08,640 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-15 15:34:08,642 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-10-15 15:34:08,646 INFO L274 PluginConnector]: Witness Parser initialized [2024-10-15 15:34:08,647 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/automizer-verification-files/SV-COMP24_unreach-call/id2_b2_o3.yml/witness-2.1.yml [2024-10-15 15:34:08,687 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-15 15:34:08,687 INFO L274 PluginConnector]: CDTParser initialized [2024-10-15 15:34:08,688 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/recursive-simple/id2_b2_o3.c [2024-10-15 15:34:10,078 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-15 15:34:10,229 INFO L384 CDTParser]: Found 1 translation units. [2024-10-15 15:34:10,230 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/recursive-simple/id2_b2_o3.c [2024-10-15 15:34:10,235 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/67185e195/1f3b930e9adc435e94dd242678b3d0e2/FLAG20cebe433 [2024-10-15 15:34:10,255 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/67185e195/1f3b930e9adc435e94dd242678b3d0e2 [2024-10-15 15:34:10,256 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-15 15:34:10,257 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-10-15 15:34:10,258 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-15 15:34:10,258 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-15 15:34:10,262 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-15 15:34:10,262 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 03:34:08" (1/2) ... [2024-10-15 15:34:10,263 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7ab84610 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 15.10 03:34:10, skipping insertion in model container [2024-10-15 15:34:10,263 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 03:34:08" (1/2) ... [2024-10-15 15:34:10,264 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@3e972988 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 15.10 03:34:10, skipping insertion in model container [2024-10-15 15:34:10,265 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 03:34:10" (2/2) ... [2024-10-15 15:34:10,265 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7ab84610 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:34:10, skipping insertion in model container [2024-10-15 15:34:10,265 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 03:34:10" (2/2) ... [2024-10-15 15:34:10,270 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-10-15 15:34:10,271 INFO L1541 ArrayList]: Function contract at [L9]: requires null, ensures (\result < 3) [2024-10-15 15:34:10,285 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-15 15:34:10,423 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-simple/id2_b2_o3.c[771,784] [2024-10-15 15:34:10,427 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-15 15:34:10,435 INFO L200 MainTranslator]: Completed pre-run Start Parsing Global [2024-10-15 15:34:10,468 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-simple/id2_b2_o3.c[771,784] [2024-10-15 15:34:10,469 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-15 15:34:10,481 INFO L204 MainTranslator]: Completed translation [2024-10-15 15:34:10,482 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:34:10 WrapperNode [2024-10-15 15:34:10,482 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-15 15:34:10,483 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-15 15:34:10,483 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-15 15:34:10,483 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-15 15:34:10,488 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:34:10" (1/1) ... [2024-10-15 15:34:10,493 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:34:10" (1/1) ... [2024-10-15 15:34:10,497 INFO L138 Inliner]: procedures = 14, calls = 10, calls flagged for inlining = 0, calls inlined = 0, statements flattened = 0 [2024-10-15 15:34:10,498 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-15 15:34:10,499 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-15 15:34:10,499 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-15 15:34:10,499 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-15 15:34:10,506 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:34:10" (1/1) ... [2024-10-15 15:34:10,507 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:34:10" (1/1) ... [2024-10-15 15:34:10,508 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:34:10" (1/1) ... [2024-10-15 15:34:10,515 WARN L109 MemorySlicer]: Omit memory slicing because it failed with the following exception: Unsupported: Procedure id is not part of the Ultimate memory model but has specification other that is not a ModifiesSpecification [2024-10-15 15:34:10,515 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:34:10" (1/1) ... [2024-10-15 15:34:10,516 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:34:10" (1/1) ... [2024-10-15 15:34:10,520 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:34:10" (1/1) ... [2024-10-15 15:34:10,522 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:34:10" (1/1) ... [2024-10-15 15:34:10,522 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:34:10" (1/1) ... [2024-10-15 15:34:10,523 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:34:10" (1/1) ... [2024-10-15 15:34:10,524 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-15 15:34:10,527 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-15 15:34:10,527 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-15 15:34:10,527 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-15 15:34:10,528 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:34:10" (1/1) ... [2024-10-15 15:34:10,532 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-15 15:34:10,540 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-10-15 15:34:10,557 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 15:34:10,562 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 15:34:10,595 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-15 15:34:10,595 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-10-15 15:34:10,595 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-10-15 15:34:10,595 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-10-15 15:34:10,595 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-10-15 15:34:10,596 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-10-15 15:34:10,596 INFO L130 BoogieDeclarations]: Found specification of procedure id2 [2024-10-15 15:34:10,596 INFO L138 BoogieDeclarations]: Found implementation of procedure id2 [2024-10-15 15:34:10,596 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-15 15:34:10,596 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-15 15:34:10,596 INFO L130 BoogieDeclarations]: Found specification of procedure id [2024-10-15 15:34:10,596 INFO L138 BoogieDeclarations]: Found implementation of procedure id [2024-10-15 15:34:10,655 INFO L238 CfgBuilder]: Building ICFG [2024-10-15 15:34:10,659 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-15 15:34:10,758 INFO L287 CfgBuilder]: Performing block encoding [2024-10-15 15:34:10,779 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-15 15:34:10,779 INFO L314 CfgBuilder]: Removed 0 assume(true) statements. [2024-10-15 15:34:10,780 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 03:34:10 BoogieIcfgContainer [2024-10-15 15:34:10,780 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-15 15:34:10,781 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-10-15 15:34:10,781 INFO L270 PluginConnector]: Initializing Referee... [2024-10-15 15:34:10,782 INFO L274 PluginConnector]: Referee initialized [2024-10-15 15:34:10,782 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 03:34:08" (1/4) ... [2024-10-15 15:34:10,783 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@b39ea61 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 15.10 03:34:10, skipping insertion in model container [2024-10-15 15:34:10,783 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 15.10 03:34:10" (2/4) ... [2024-10-15 15:34:10,784 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@b39ea61 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 15.10 03:34:10, skipping insertion in model container [2024-10-15 15:34:10,784 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:34:10" (3/4) ... [2024-10-15 15:34:10,784 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@b39ea61 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 15.10 03:34:10, skipping insertion in model container [2024-10-15 15:34:10,784 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 03:34:10" (4/4) ... [2024-10-15 15:34:10,785 INFO L79 RefereeObserver]: Analyzing ICFG id2_b2_o3.c [2024-10-15 15:34:10,788 INFO L113 InvariantChecker]: Found 0 loops. [2024-10-15 15:34:10,789 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr0ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 5 edges. [2024-10-15 15:34:10,789 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC idErr0ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 8 edges. [2024-10-15 15:34:10,790 INFO L131 InvariantChecker]: Will check 2 loop-free subgraphs from procedure entry to error location [2024-10-15 15:34:10,829 INFO L309 BlockEncoder]: Initial Icfg 6 locations, 5 edges [2024-10-15 15:34:10,830 INFO L259 BlockEncoder]: Using Maximize final states [2024-10-15 15:34:10,830 INFO L266 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-10-15 15:34:10,831 INFO L272 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-10-15 15:34:10,832 INFO L167 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-10-15 15:34:10,833 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:34:10,844 INFO L101 BaseMinimizeStates]: Removed 8 edges and 4 locations by large block encoding [2024-10-15 15:34:10,847 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:34:10,848 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-10-15 15:34:10,848 INFO L233 BlockEncoder]: Using Create parallel compositions if possible [2024-10-15 15:34:10,848 INFO L68 ParallelComposer]: Creating parallel compositions [2024-10-15 15:34:10,849 INFO L309 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-10-15 15:34:10,864 INFO L520 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to error location mainErr0ASSERT_VIOLATIONERROR_FUNCTION is inductive. [2024-10-15 15:34:10,880 INFO L309 BlockEncoder]: Initial Icfg 7 locations, 8 edges [2024-10-15 15:34:10,880 INFO L259 BlockEncoder]: Using Maximize final states [2024-10-15 15:34:10,880 INFO L266 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-10-15 15:34:10,880 INFO L272 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-10-15 15:34:10,880 INFO L167 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-10-15 15:34:10,881 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:34:10,914 INFO L101 BaseMinimizeStates]: Removed 15 edges and 5 locations by large block encoding [2024-10-15 15:34:10,918 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:34:10,918 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-10-15 15:34:10,919 INFO L233 BlockEncoder]: Using Create parallel compositions if possible [2024-10-15 15:34:10,919 INFO L68 ParallelComposer]: Creating parallel compositions [2024-10-15 15:34:10,929 INFO L309 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-10-15 15:34:10,940 INFO L520 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to error location idErr0ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-10-15 15:34:10,943 INFO L58 RefereeStarter]: Annotation is a valid proof of correctness. [2024-10-15 15:34:10,944 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@b39ea61 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee CFG 15.10 03:34:10, skipping insertion in model container [2024-10-15 15:34:10,944 INFO L131 PluginConnector]: ------------------------ END Referee---------------------------- [2024-10-15 15:34:10,946 INFO L158 Benchmark]: Toolchain (without parser) took 688.24ms. Allocated memory was 73.4MB in the beginning and 96.5MB in the end (delta: 23.1MB). Free memory was 53.8MB in the beginning and 62.0MB in the end (delta: -8.2MB). Peak memory consumption was 14.2MB. Max. memory is 16.1GB. [2024-10-15 15:34:10,946 INFO L158 Benchmark]: Witness Parser took 0.10ms. Allocated memory is still 44.0MB. Free memory was 21.8MB in the beginning and 21.8MB in the end (delta: 42.0kB). There was no memory consumed. Max. memory is 16.1GB. [2024-10-15 15:34:10,947 INFO L158 Benchmark]: CDTParser took 0.21ms. Allocated memory is still 73.4MB. Free memory is still 57.7MB. There was no memory consumed. Max. memory is 16.1GB. [2024-10-15 15:34:10,947 INFO L158 Benchmark]: CACSL2BoogieTranslator took 224.71ms. Allocated memory is still 73.4MB. Free memory was 53.5MB in the beginning and 39.8MB in the end (delta: 13.7MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2024-10-15 15:34:10,948 INFO L158 Benchmark]: Boogie Procedure Inliner took 15.05ms. Allocated memory is still 73.4MB. Free memory was 39.8MB in the beginning and 38.9MB in the end (delta: 883.8kB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-10-15 15:34:10,948 INFO L158 Benchmark]: Boogie Preprocessor took 24.95ms. Allocated memory is still 73.4MB. Free memory was 38.9MB in the beginning and 37.3MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-10-15 15:34:10,949 INFO L158 Benchmark]: RCFGBuilder took 253.12ms. Allocated memory was 73.4MB in the beginning and 96.5MB in the end (delta: 23.1MB). Free memory was 37.3MB in the beginning and 70.8MB in the end (delta: -33.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-10-15 15:34:10,950 INFO L158 Benchmark]: Referee took 162.93ms. Allocated memory is still 96.5MB. Free memory was 70.8MB in the beginning and 62.0MB in the end (delta: 8.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-10-15 15:34:10,952 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 id to exit of procedure id. 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 27. * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Witness Parser took 0.10ms. Allocated memory is still 44.0MB. Free memory was 21.8MB in the beginning and 21.8MB in the end (delta: 42.0kB). There was no memory consumed. Max. memory is 16.1GB. * CDTParser took 0.21ms. Allocated memory is still 73.4MB. Free memory is still 57.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 224.71ms. Allocated memory is still 73.4MB. Free memory was 53.5MB in the beginning and 39.8MB in the end (delta: 13.7MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 15.05ms. Allocated memory is still 73.4MB. Free memory was 39.8MB in the beginning and 38.9MB in the end (delta: 883.8kB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 24.95ms. Allocated memory is still 73.4MB. Free memory was 38.9MB in the beginning and 37.3MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 253.12ms. Allocated memory was 73.4MB in the beginning and 96.5MB in the end (delta: 23.1MB). Free memory was 37.3MB in the beginning and 70.8MB in the end (delta: -33.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Referee took 162.93ms. Allocated memory is still 96.5MB. Free memory was 70.8MB in the beginning and 62.0MB in the end (delta: 8.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2024-10-15 15:34:10,986 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...