This is Ultimate 0.2.5-wip.dk.contract-modifies-e378df2-m [2024-10-15 15:34:02,053 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-15 15:34:02,130 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Default.epf [2024-10-15 15:34:02,138 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-15 15:34:02,138 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-15 15:34:02,169 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-15 15:34:02,170 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-15 15:34:02,171 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-15 15:34:02,172 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-15 15:34:02,173 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-15 15:34:02,173 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-15 15:34:02,174 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-15 15:34:02,174 INFO L153 SettingsManager]: * Use SBE=true [2024-10-15 15:34:02,175 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-15 15:34:02,175 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-15 15:34:02,175 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-15 15:34:02,176 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-15 15:34:02,176 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-15 15:34:02,176 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-15 15:34:02,177 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-15 15:34:02,177 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-15 15:34:02,181 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-15 15:34:02,182 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-15 15:34:02,182 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-15 15:34:02,182 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-15 15:34:02,182 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-15 15:34:02,183 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-15 15:34:02,183 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-15 15:34:02,183 INFO L153 SettingsManager]: * Future-live optimization=false [2024-10-15 15:34:02,184 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-15 15:34:02,184 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-15 15:34:02,184 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None Applying setting for plugin de.uni_freiburg.informatik.ultimate.boogie.procedureinliner: Inline calls to implemented procedures -> NEVER [2024-10-15 15:34:02,492 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-15 15:34:02,531 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-15 15:34:02,534 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-15 15:34:02,535 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-10-15 15:34:02,536 INFO L274 PluginConnector]: Witness Parser initialized [2024-10-15 15:34:02,537 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/automizer-verification-files/SV-COMP24_unreach-call/gcd01-1.yml/witness-2.1.yml [2024-10-15 15:34:02,576 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-15 15:34:02,576 INFO L274 PluginConnector]: CDTParser initialized [2024-10-15 15:34:02,576 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/recursive/gcd01-1.c [2024-10-15 15:34:04,164 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-15 15:34:04,346 INFO L384 CDTParser]: Found 1 translation units. [2024-10-15 15:34:04,347 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/recursive/gcd01-1.c [2024-10-15 15:34:04,355 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/4723c6063/b283710f5d5548f791fd16d09bc2f283/FLAGd82b39a81 [2024-10-15 15:34:04,375 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/4723c6063/b283710f5d5548f791fd16d09bc2f283 [2024-10-15 15:34:04,377 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-15 15:34:04,379 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-10-15 15:34:04,383 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-15 15:34:04,383 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-15 15:34:04,388 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-15 15:34:04,389 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 03:34:02" (1/2) ... [2024-10-15 15:34:04,392 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@a559ecd and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 15.10 03:34:04, skipping insertion in model container [2024-10-15 15:34:04,393 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 03:34:02" (1/2) ... [2024-10-15 15:34:04,394 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@1d08eb1f and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 15.10 03:34:04, skipping insertion in model container [2024-10-15 15:34:04,394 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 03:34:04" (2/2) ... [2024-10-15 15:34:04,395 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@a559ecd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:34:04, skipping insertion in model container [2024-10-15 15:34:04,395 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 03:34:04" (2/2) ... [2024-10-15 15:34:04,401 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-10-15 15:34:04,404 INFO L1541 ArrayList]: Function contract at [L17]: requires null, ensures (((y2 < 1) || (y1 < 1)) || (0 < \result)) [2024-10-15 15:34:04,424 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-15 15:34:04,612 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/gcd01-1.c[1008,1021] [2024-10-15 15:34:04,618 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-15 15:34:04,628 INFO L200 MainTranslator]: Completed pre-run Start Parsing Global [2024-10-15 15:34:04,668 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/gcd01-1.c[1008,1021] [2024-10-15 15:34:04,670 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-15 15:34:04,689 INFO L204 MainTranslator]: Completed translation [2024-10-15 15:34:04,690 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:34:04 WrapperNode [2024-10-15 15:34:04,691 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-15 15:34:04,692 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-15 15:34:04,692 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-15 15:34:04,692 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-15 15:34:04,699 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:34:04" (1/1) ... [2024-10-15 15:34:04,704 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:34:04" (1/1) ... [2024-10-15 15:34:04,710 INFO L138 Inliner]: procedures = 13, calls = 10, calls flagged for inlining = 0, calls inlined = 0, statements flattened = 0 [2024-10-15 15:34:04,711 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-15 15:34:04,712 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-15 15:34:04,713 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-15 15:34:04,713 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-15 15:34:04,722 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:34:04" (1/1) ... [2024-10-15 15:34:04,723 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:34:04" (1/1) ... [2024-10-15 15:34:04,724 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:34:04" (1/1) ... [2024-10-15 15:34:04,733 WARN L109 MemorySlicer]: Omit memory slicing because it failed with the following exception: Unsupported: Procedure gcd is not part of the Ultimate memory model but has specification other that is not a ModifiesSpecification [2024-10-15 15:34:04,734 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:34:04" (1/1) ... [2024-10-15 15:34:04,734 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:34:04" (1/1) ... [2024-10-15 15:34:04,737 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:34:04" (1/1) ... [2024-10-15 15:34:04,738 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:34:04" (1/1) ... [2024-10-15 15:34:04,739 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:34:04" (1/1) ... [2024-10-15 15:34:04,743 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:34:04" (1/1) ... [2024-10-15 15:34:04,745 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-15 15:34:04,747 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-15 15:34:04,747 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-15 15:34:04,747 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-15 15:34:04,748 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:34:04" (1/1) ... [2024-10-15 15:34:04,753 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-15 15:34:04,762 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-10-15 15:34:04,787 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 15:34:04,793 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 15:34:04,840 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-15 15:34:04,840 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-10-15 15:34:04,841 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-10-15 15:34:04,841 INFO L130 BoogieDeclarations]: Found specification of procedure gcd [2024-10-15 15:34:04,841 INFO L138 BoogieDeclarations]: Found implementation of procedure gcd [2024-10-15 15:34:04,841 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-15 15:34:04,841 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-15 15:34:04,841 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-10-15 15:34:04,842 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-10-15 15:34:04,842 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-10-15 15:34:04,898 INFO L238 CfgBuilder]: Building ICFG [2024-10-15 15:34:04,900 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-15 15:34:05,044 INFO L287 CfgBuilder]: Performing block encoding [2024-10-15 15:34:05,079 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-15 15:34:05,079 INFO L314 CfgBuilder]: Removed 0 assume(true) statements. [2024-10-15 15:34:05,080 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 03:34:05 BoogieIcfgContainer [2024-10-15 15:34:05,080 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-15 15:34:05,081 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-10-15 15:34:05,081 INFO L270 PluginConnector]: Initializing Referee... [2024-10-15 15:34:05,082 INFO L274 PluginConnector]: Referee initialized [2024-10-15 15:34:05,082 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 03:34:02" (1/4) ... [2024-10-15 15:34:05,083 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@6f8fc121 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 15.10 03:34:05, skipping insertion in model container [2024-10-15 15:34:05,084 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 15.10 03:34:04" (2/4) ... [2024-10-15 15:34:05,084 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@6f8fc121 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 15.10 03:34:05, skipping insertion in model container [2024-10-15 15:34:05,084 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:34:04" (3/4) ... [2024-10-15 15:34:05,084 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@6f8fc121 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 15.10 03:34:05, skipping insertion in model container [2024-10-15 15:34:05,085 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 03:34:05" (4/4) ... [2024-10-15 15:34:05,086 INFO L79 RefereeObserver]: Analyzing ICFG gcd01-1.c [2024-10-15 15:34:05,090 INFO L113 InvariantChecker]: Found 0 loops. [2024-10-15 15:34:05,092 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr0ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 7 edges. [2024-10-15 15:34:05,092 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC gcdErr0ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 12 edges. [2024-10-15 15:34:05,094 INFO L131 InvariantChecker]: Will check 2 loop-free subgraphs from procedure entry to error location [2024-10-15 15:34:05,157 INFO L309 BlockEncoder]: Initial Icfg 8 locations, 7 edges [2024-10-15 15:34:05,158 INFO L259 BlockEncoder]: Using Maximize final states [2024-10-15 15:34:05,159 INFO L266 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-10-15 15:34:05,159 INFO L272 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-10-15 15:34:05,160 INFO L167 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-10-15 15:34:05,162 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:34:05,185 INFO L101 BaseMinimizeStates]: Removed 12 edges and 6 locations by large block encoding [2024-10-15 15:34:05,187 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:34:05,187 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-10-15 15:34:05,188 INFO L233 BlockEncoder]: Using Create parallel compositions if possible [2024-10-15 15:34:05,188 INFO L68 ParallelComposer]: Creating parallel compositions [2024-10-15 15:34:05,188 INFO L309 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-10-15 15:34:05,205 INFO L520 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to error location mainErr0ASSERT_VIOLATIONERROR_FUNCTION is inductive. [2024-10-15 15:34:05,222 INFO L309 BlockEncoder]: Initial Icfg 10 locations, 12 edges [2024-10-15 15:34:05,222 INFO L259 BlockEncoder]: Using Maximize final states [2024-10-15 15:34:05,222 INFO L266 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-10-15 15:34:05,222 INFO L272 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-10-15 15:34:05,222 INFO L167 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-10-15 15:34:05,222 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:34:05,256 INFO L101 BaseMinimizeStates]: Removed 22 edges and 8 locations by large block encoding [2024-10-15 15:34:05,259 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:34:05,259 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-10-15 15:34:05,259 INFO L233 BlockEncoder]: Using Create parallel compositions if possible [2024-10-15 15:34:05,260 INFO L68 ParallelComposer]: Creating parallel compositions [2024-10-15 15:34:05,269 INFO L309 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-10-15 15:34:05,278 INFO L520 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to error location gcdErr0ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-10-15 15:34:05,281 INFO L58 RefereeStarter]: Annotation is a valid proof of correctness. [2024-10-15 15:34:05,283 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@6f8fc121 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee CFG 15.10 03:34:05, skipping insertion in model container [2024-10-15 15:34:05,286 INFO L131 PluginConnector]: ------------------------ END Referee---------------------------- [2024-10-15 15:34:05,287 INFO L158 Benchmark]: Toolchain (without parser) took 908.17ms. Allocated memory is still 75.5MB. Free memory was 41.9MB in the beginning and 33.0MB in the end (delta: 8.8MB). Peak memory consumption was 10.0MB. Max. memory is 16.1GB. [2024-10-15 15:34:05,288 INFO L158 Benchmark]: Witness Parser took 0.13ms. Allocated memory is still 54.5MB. Free memory was 39.0MB in the beginning and 39.0MB in the end (delta: 37.4kB). There was no memory consumed. Max. memory is 16.1GB. [2024-10-15 15:34:05,289 INFO L158 Benchmark]: CDTParser took 0.47ms. Allocated memory is still 54.5MB. Free memory was 37.1MB in the beginning and 37.0MB in the end (delta: 37.3kB). There was no memory consumed. Max. memory is 16.1GB. [2024-10-15 15:34:05,290 INFO L158 Benchmark]: CACSL2BoogieTranslator took 308.32ms. Allocated memory is still 75.5MB. Free memory was 41.9MB in the beginning and 28.1MB in the end (delta: 13.8MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-10-15 15:34:05,290 INFO L158 Benchmark]: Boogie Procedure Inliner took 19.14ms. Allocated memory is still 75.5MB. Free memory was 28.1MB in the beginning and 27.2MB in the end (delta: 920.3kB). There was no memory consumed. Max. memory is 16.1GB. [2024-10-15 15:34:05,291 INFO L158 Benchmark]: Boogie Preprocessor took 33.80ms. Allocated memory is still 75.5MB. Free memory was 26.9MB in the beginning and 25.4MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-10-15 15:34:05,292 INFO L158 Benchmark]: RCFGBuilder took 333.41ms. Allocated memory is still 75.5MB. Free memory was 25.4MB in the beginning and 46.0MB in the end (delta: -20.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-10-15 15:34:05,293 INFO L158 Benchmark]: Referee took 204.91ms. Allocated memory is still 75.5MB. Free memory was 46.0MB in the beginning and 33.0MB in the end (delta: 13.0MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-10-15 15:34:05,296 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 gcd to exit of procedure gcd. 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 41. * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Witness Parser took 0.13ms. Allocated memory is still 54.5MB. Free memory was 39.0MB in the beginning and 39.0MB in the end (delta: 37.4kB). There was no memory consumed. Max. memory is 16.1GB. * CDTParser took 0.47ms. Allocated memory is still 54.5MB. Free memory was 37.1MB in the beginning and 37.0MB in the end (delta: 37.3kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 308.32ms. Allocated memory is still 75.5MB. Free memory was 41.9MB in the beginning and 28.1MB in the end (delta: 13.8MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 19.14ms. Allocated memory is still 75.5MB. Free memory was 28.1MB in the beginning and 27.2MB in the end (delta: 920.3kB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 33.80ms. Allocated memory is still 75.5MB. Free memory was 26.9MB in the beginning and 25.4MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 333.41ms. Allocated memory is still 75.5MB. Free memory was 25.4MB in the beginning and 46.0MB in the end (delta: -20.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Referee took 204.91ms. Allocated memory is still 75.5MB. Free memory was 46.0MB in the beginning and 33.0MB in the end (delta: 13.0MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2024-10-15 15:34:05,334 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...