This is Ultimate 0.2.5-wip.dk.contract-modifies-e378df2-m [2024-10-15 15:30:42,053 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-15 15:30:42,139 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Default.epf [2024-10-15 15:30:42,144 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-15 15:30:42,145 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-15 15:30:42,170 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-15 15:30:42,171 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-15 15:30:42,171 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-15 15:30:42,172 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-15 15:30:42,172 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-15 15:30:42,172 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-15 15:30:42,172 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-15 15:30:42,173 INFO L153 SettingsManager]: * Use SBE=true [2024-10-15 15:30:42,173 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-15 15:30:42,173 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-15 15:30:42,174 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-15 15:30:42,174 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-15 15:30:42,174 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-15 15:30:42,174 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-15 15:30:42,175 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-15 15:30:42,175 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-15 15:30:42,176 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-15 15:30:42,176 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-15 15:30:42,176 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-15 15:30:42,177 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-15 15:30:42,177 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-15 15:30:42,177 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-15 15:30:42,178 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-15 15:30:42,178 INFO L153 SettingsManager]: * Future-live optimization=false [2024-10-15 15:30:42,179 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-15 15:30:42,179 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-15 15:30:42,179 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None Applying setting for plugin de.uni_freiburg.informatik.ultimate.boogie.procedureinliner: Inline calls to implemented procedures -> NEVER [2024-10-15 15:30:42,505 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-15 15:30:42,526 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-15 15:30:42,529 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-15 15:30:42,531 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-15 15:30:42,532 INFO L274 PluginConnector]: CDTParser initialized [2024-10-15 15:30:42,533 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/loop-invgen/id_build.i.p+sep-reducer.c [2024-10-15 15:30:44,091 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-15 15:30:44,374 INFO L384 CDTParser]: Found 1 translation units. [2024-10-15 15:30:44,378 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-invgen/id_build.i.p+sep-reducer.c [2024-10-15 15:30:44,398 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/988679394/8db6a02f55064d1bb71224618bda6619/FLAG1cdc92681 [2024-10-15 15:30:44,416 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/988679394/8db6a02f55064d1bb71224618bda6619 [2024-10-15 15:30:44,419 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-10-15 15:30:44,420 INFO L274 PluginConnector]: Witness Parser initialized [2024-10-15 15:30:44,421 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/automizer-verification-files/SV-COMP24_unreach-call/id_build.i.p+sep-reducer.yml/witness-2.1.yml [2024-10-15 15:30:44,489 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-15 15:30:44,491 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-10-15 15:30:44,492 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-15 15:30:44,492 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-15 15:30:44,498 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-15 15:30:44,499 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 03:30:44" (1/2) ... [2024-10-15 15:30:44,501 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1a4c7959 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:30:44, skipping insertion in model container [2024-10-15 15:30:44,501 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 03:30:44" (1/2) ... [2024-10-15 15:30:44,502 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@2bcbc32c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:30:44, skipping insertion in model container [2024-10-15 15:30:44,503 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 03:30:44" (2/2) ... [2024-10-15 15:30:44,503 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1a4c7959 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 15.10 03:30:44, skipping insertion in model container [2024-10-15 15:30:44,503 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 03:30:44" (2/2) ... [2024-10-15 15:30:44,548 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-10-15 15:30:44,549 INFO L1541 ArrayList]: Location invariant before [L2098-L2411] ((\old(__return_1135) == __return_1135) && (0 <= main__i)) [2024-10-15 15:30:44,549 INFO L1541 ArrayList]: Location invariant before [L1579-L2489] ((\old(__return_1135) == __return_1135) && (0 <= main__i)) [2024-10-15 15:30:44,549 INFO L1541 ArrayList]: Location invariant before [L2300-L2300] (((\old(__return_1135) == __return_1135) && (((long long) main__i + 1) <= main__nlen)) && (0 <= main__i)) [2024-10-15 15:30:44,549 INFO L1541 ArrayList]: Location invariant before [L945-L980] (((\old(__return_1135) == __return_1135) && (((long long) main__i + 1) <= main__nlen)) && (0 <= main__i)) [2024-10-15 15:30:44,549 INFO L1541 ArrayList]: Location invariant before [L1782-L2412] (((\old(__return_1135) == __return_1135) && (((long long) main__i + 1) <= main__nlen)) && (0 <= main__i)) [2024-10-15 15:30:44,549 INFO L1541 ArrayList]: Location invariant before [L541-L2645] ((\old(__return_1135) == __return_1135) && (0 <= main__i)) [2024-10-15 15:30:44,549 INFO L1541 ArrayList]: Location invariant before [L1060-L2567] ((\old(__return_1135) == __return_1135) && (0 <= main__i)) [2024-10-15 15:30:44,550 INFO L1541 ArrayList]: Location invariant before [L1464-L1499] (((\old(__return_1135) == __return_1135) && (((long long) main__i + 1) <= main__nlen)) && (0 <= main__i)) [2024-10-15 15:30:44,550 INFO L1541 ArrayList]: Location invariant before [L426-L461] (((\old(__return_1135) == __return_1135) && (((long long) main__i + 1) <= main__nlen)) && (0 <= main__i)) [2024-10-15 15:30:44,550 INFO L1541 ArrayList]: Location invariant before [L2303-L2334] (((\old(__return_1135) == __return_1135) && (((long long) main__i + 1) <= main__nlen)) && (0 <= main__i)) [2024-10-15 15:30:44,550 INFO L1541 ArrayList]: Function contract at [L13]: requires null, ensures (__return_main == \old(__return_main)) [2024-10-15 15:30:44,624 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-15 15:30:45,002 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/loop-invgen/id_build.i.p+sep-reducer.c[34383,34396] [2024-10-15 15:30:45,029 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/loop-invgen/id_build.i.p+sep-reducer.c[39106,39119] [2024-10-15 15:30:45,047 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-15 15:30:45,061 INFO L200 MainTranslator]: Completed pre-run Start Parsing Global Start Parsing Local Start Parsing Local Start Parsing Local [2024-10-15 15:30:45,207 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/loop-invgen/id_build.i.p+sep-reducer.c[34383,34396] Start Parsing Local [2024-10-15 15:30:45,222 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/loop-invgen/id_build.i.p+sep-reducer.c[39106,39119] Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local [2024-10-15 15:30:45,239 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-15 15:30:45,256 INFO L204 MainTranslator]: Completed translation [2024-10-15 15:30:45,256 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 15.10 03:30:45 WrapperNode [2024-10-15 15:30:45,256 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-15 15:30:45,257 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-15 15:30:45,257 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-15 15:30:45,257 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-15 15:30:45,264 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 15.10 03:30:45" (1/1) ... [2024-10-15 15:30:45,294 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 15.10 03:30:45" (1/1) ... [2024-10-15 15:30:45,305 INFO L138 Inliner]: procedures = 14, calls = 7, calls flagged for inlining = 0, calls inlined = 0, statements flattened = 0 [2024-10-15 15:30:45,307 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-15 15:30:45,308 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-15 15:30:45,308 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-15 15:30:45,308 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-15 15:30:45,322 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 15.10 03:30:45" (1/1) ... [2024-10-15 15:30:45,322 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 15.10 03:30:45" (1/1) ... [2024-10-15 15:30:45,335 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 15.10 03:30:45" (1/1) ... [2024-10-15 15:30:45,352 WARN L109 MemorySlicer]: Omit memory slicing because it failed with the following exception: Unsupported: Procedure main is not part of the Ultimate memory model but has specification other that is not a ModifiesSpecification [2024-10-15 15:30:45,353 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 15.10 03:30:45" (1/1) ... [2024-10-15 15:30:45,353 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 15.10 03:30:45" (1/1) ... [2024-10-15 15:30:45,390 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 15.10 03:30:45" (1/1) ... [2024-10-15 15:30:45,412 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 15.10 03:30:45" (1/1) ... [2024-10-15 15:30:45,421 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 15.10 03:30:45" (1/1) ... [2024-10-15 15:30:45,430 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 15.10 03:30:45" (1/1) ... [2024-10-15 15:30:45,444 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-15 15:30:45,445 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-15 15:30:45,445 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-15 15:30:45,445 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-15 15:30:45,446 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 15.10 03:30:45" (1/1) ... [2024-10-15 15:30:45,452 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-15 15:30:45,461 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-10-15 15:30:45,478 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 15:30:45,482 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 15:30:45,537 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-15 15:30:45,537 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-10-15 15:30:45,538 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-10-15 15:30:45,538 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-10-15 15:30:45,538 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-10-15 15:30:45,539 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-10-15 15:30:45,539 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-15 15:30:45,539 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-15 15:30:45,711 INFO L238 CfgBuilder]: Building ICFG [2024-10-15 15:30:45,713 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-15 15:30:46,770 INFO L287 CfgBuilder]: Performing block encoding [2024-10-15 15:30:46,817 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-15 15:30:46,820 INFO L314 CfgBuilder]: Removed 0 assume(true) statements. [2024-10-15 15:30:46,821 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 03:30:46 BoogieIcfgContainer [2024-10-15 15:30:46,821 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-15 15:30:46,822 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-10-15 15:30:46,822 INFO L270 PluginConnector]: Initializing Referee... [2024-10-15 15:30:46,823 INFO L274 PluginConnector]: Referee initialized [2024-10-15 15:30:46,823 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 15.10 03:30:44" (1/4) ... [2024-10-15 15:30:46,824 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@4f9b4ce4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 15.10 03:30:46, skipping insertion in model container [2024-10-15 15:30:46,824 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 03:30:44" (2/4) ... [2024-10-15 15:30:46,824 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@4f9b4ce4 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 15.10 03:30:46, skipping insertion in model container [2024-10-15 15:30:46,825 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 15.10 03:30:45" (3/4) ... [2024-10-15 15:30:46,825 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@4f9b4ce4 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 15.10 03:30:46, skipping insertion in model container [2024-10-15 15:30:46,826 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 03:30:46" (4/4) ... [2024-10-15 15:30:46,827 INFO L79 RefereeObserver]: Analyzing ICFG id_build.i.p+sep-reducer.c [2024-10-15 15:30:46,831 INFO L113 InvariantChecker]: Found 0 loops. [2024-10-15 15:30:46,832 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr2ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 118 edges. [2024-10-15 15:30:46,834 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr4ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 181 edges. [2024-10-15 15:30:46,835 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr9ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 287 edges. [2024-10-15 15:30:46,835 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr3ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 127 edges. [2024-10-15 15:30:46,835 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr5ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 190 edges. [2024-10-15 15:30:46,836 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr6ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 216 edges. [2024-10-15 15:30:46,836 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr7ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 288 edges. [2024-10-15 15:30:46,837 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr8ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 250 edges. [2024-10-15 15:30:46,837 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr1ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 64 edges. [2024-10-15 15:30:46,838 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr11ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 288 edges. [2024-10-15 15:30:46,838 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 55 edges. [2024-10-15 15:30:46,839 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr12ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 488 edges. [2024-10-15 15:30:46,839 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr10ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 287 edges. [2024-10-15 15:30:46,840 INFO L131 InvariantChecker]: Will check 13 loop-free subgraphs from procedure entry to error location [2024-10-15 15:30:46,995 INFO L309 BlockEncoder]: Initial Icfg 109 locations, 118 edges [2024-10-15 15:30:46,996 INFO L259 BlockEncoder]: Using Maximize final states [2024-10-15 15:30:46,996 INFO L266 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-10-15 15:30:46,997 INFO L272 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-10-15 15:30:47,001 INFO L167 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-10-15 15:30:47,004 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:30:47,949 INFO L101 BaseMinimizeStates]: Removed 710 edges and 105 locations by large block encoding [2024-10-15 15:30:47,951 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:30:47,952 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-10-15 15:30:47,952 INFO L233 BlockEncoder]: Using Create parallel compositions if possible [2024-10-15 15:30:47,953 INFO L68 ParallelComposer]: Creating parallel compositions [2024-10-15 15:30:47,980 INFO L309 BlockEncoder]: Encoded RCFG 4 locations, 8 edges [2024-10-15 15:30:47,981 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.referee has thrown an exception: java.lang.AssertionError: Either subgraph not acyclic or there is a bug at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AcyclicSubgraphMerger.(AcyclicSubgraphMerger.java:168) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.InvariantChecker.(InvariantChecker.java:145) at de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeStarter.(RefereeStarter.java:56) at de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver.finish(RefereeObserver.java:80) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2024-10-15 15:30:47,986 INFO L158 Benchmark]: Toolchain (without parser) took 3494.33ms. Allocated memory was 62.9MB in the beginning and 151.0MB in the end (delta: 88.1MB). Free memory was 32.6MB in the beginning and 66.7MB in the end (delta: -34.1MB). Peak memory consumption was 91.8MB. Max. memory is 16.1GB. [2024-10-15 15:30:47,989 INFO L158 Benchmark]: CDTParser took 0.24ms. Allocated memory is still 62.9MB. Free memory was 40.5MB in the beginning and 40.4MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. [2024-10-15 15:30:47,989 INFO L158 Benchmark]: Witness Parser took 0.21ms. Allocated memory is still 62.9MB. Free memory is still 34.8MB. There was no memory consumed. Max. memory is 16.1GB. [2024-10-15 15:30:47,990 INFO L158 Benchmark]: CACSL2BoogieTranslator took 764.91ms. Allocated memory was 62.9MB in the beginning and 86.0MB in the end (delta: 23.1MB). Free memory was 32.5MB in the beginning and 53.7MB in the end (delta: -21.2MB). Peak memory consumption was 26.5MB. Max. memory is 16.1GB. [2024-10-15 15:30:47,991 INFO L158 Benchmark]: Boogie Procedure Inliner took 50.08ms. Allocated memory is still 86.0MB. Free memory was 53.7MB in the beginning and 52.3MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. [2024-10-15 15:30:47,992 INFO L158 Benchmark]: Boogie Preprocessor took 136.12ms. Allocated memory is still 86.0MB. Free memory was 52.3MB in the beginning and 46.9MB in the end (delta: 5.4MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2024-10-15 15:30:47,992 INFO L158 Benchmark]: RCFGBuilder took 1376.70ms. Allocated memory was 86.0MB in the beginning and 125.8MB in the end (delta: 39.8MB). Free memory was 46.9MB in the beginning and 83.4MB in the end (delta: -36.5MB). Peak memory consumption was 26.6MB. Max. memory is 16.1GB. [2024-10-15 15:30:47,993 INFO L158 Benchmark]: Referee took 1162.39ms. Allocated memory was 125.8MB in the beginning and 151.0MB in the end (delta: 25.2MB). Free memory was 83.4MB in the beginning and 66.7MB in the end (delta: 16.7MB). Peak memory consumption was 78.5MB. Max. memory is 16.1GB. [2024-10-15 15:30:47,996 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.referee: - ExceptionOrErrorResult: AssertionError: Either subgraph not acyclic or there is a bug de.uni_freiburg.informatik.ultimate.plugins.generator.referee: AssertionError: Either subgraph not acyclic or there is a bug: de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AcyclicSubgraphMerger.(AcyclicSubgraphMerger.java:168) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24ms. Allocated memory is still 62.9MB. Free memory was 40.5MB in the beginning and 40.4MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. * Witness Parser took 0.21ms. Allocated memory is still 62.9MB. Free memory is still 34.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 764.91ms. Allocated memory was 62.9MB in the beginning and 86.0MB in the end (delta: 23.1MB). Free memory was 32.5MB in the beginning and 53.7MB in the end (delta: -21.2MB). Peak memory consumption was 26.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 50.08ms. Allocated memory is still 86.0MB. Free memory was 53.7MB in the beginning and 52.3MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 136.12ms. Allocated memory is still 86.0MB. Free memory was 52.3MB in the beginning and 46.9MB in the end (delta: 5.4MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * RCFGBuilder took 1376.70ms. Allocated memory was 86.0MB in the beginning and 125.8MB in the end (delta: 39.8MB). Free memory was 46.9MB in the beginning and 83.4MB in the end (delta: -36.5MB). Peak memory consumption was 26.6MB. Max. memory is 16.1GB. * Referee took 1162.39ms. Allocated memory was 125.8MB in the beginning and 151.0MB in the end (delta: 25.2MB). Free memory was 83.4MB in the beginning and 66.7MB in the end (delta: 16.7MB). Peak memory consumption was 78.5MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-10-15 15:30:48,031 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... ### Bit-precise run ### This is Ultimate 0.2.5-wip.dk.contract-modifies-e378df2-m [2024-10-15 15:30:50,159 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-15 15:30:50,236 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Bitvector.epf [2024-10-15 15:30:50,245 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-15 15:30:50,246 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-15 15:30:50,273 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-15 15:30:50,273 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-15 15:30:50,274 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-15 15:30:50,275 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-15 15:30:50,275 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-15 15:30:50,276 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-15 15:30:50,276 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-15 15:30:50,277 INFO L153 SettingsManager]: * Use SBE=true [2024-10-15 15:30:50,277 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-15 15:30:50,277 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-15 15:30:50,278 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-15 15:30:50,278 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-15 15:30:50,278 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-15 15:30:50,279 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-15 15:30:50,279 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-15 15:30:50,279 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-15 15:30:50,280 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-10-15 15:30:50,280 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-10-15 15:30:50,280 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-15 15:30:50,281 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-10-15 15:30:50,281 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-15 15:30:50,281 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-15 15:30:50,282 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-15 15:30:50,282 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-15 15:30:50,282 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-15 15:30:50,283 INFO L153 SettingsManager]: * Future-live optimization=false [2024-10-15 15:30:50,283 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-15 15:30:50,283 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-15 15:30:50,284 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None Applying setting for plugin de.uni_freiburg.informatik.ultimate.boogie.procedureinliner: Inline calls to implemented procedures -> NEVER [2024-10-15 15:30:50,625 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-15 15:30:50,650 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-15 15:30:50,653 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-15 15:30:50,654 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-10-15 15:30:50,655 INFO L274 PluginConnector]: Witness Parser initialized [2024-10-15 15:30:50,657 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/automizer-verification-files/SV-COMP24_unreach-call/id_build.i.p+sep-reducer.yml/witness-2.1.yml [2024-10-15 15:30:50,736 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-15 15:30:50,737 INFO L274 PluginConnector]: CDTParser initialized [2024-10-15 15:30:50,738 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/loop-invgen/id_build.i.p+sep-reducer.c [2024-10-15 15:30:52,398 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-15 15:30:52,638 INFO L384 CDTParser]: Found 1 translation units. [2024-10-15 15:30:52,638 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-invgen/id_build.i.p+sep-reducer.c [2024-10-15 15:30:52,663 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/c26e42c87/1d1bccbe28974e7382c7f9d0925b2cca/FLAG894c74481 [2024-10-15 15:30:52,686 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/c26e42c87/1d1bccbe28974e7382c7f9d0925b2cca [2024-10-15 15:30:52,688 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-15 15:30:52,689 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-10-15 15:30:52,690 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-15 15:30:52,690 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-15 15:30:52,697 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-15 15:30:52,698 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 03:30:50" (1/2) ... [2024-10-15 15:30:52,700 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@20ec571e and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 15.10 03:30:52, skipping insertion in model container [2024-10-15 15:30:52,701 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 03:30:50" (1/2) ... [2024-10-15 15:30:52,702 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@4c79dcae and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 15.10 03:30:52, skipping insertion in model container [2024-10-15 15:30:52,702 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 03:30:52" (2/2) ... [2024-10-15 15:30:52,702 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@20ec571e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:30:52, skipping insertion in model container [2024-10-15 15:30:52,703 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 03:30:52" (2/2) ... [2024-10-15 15:30:52,747 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-10-15 15:30:52,748 INFO L1541 ArrayList]: Location invariant before [L1060-L2567] ((\old(__return_1135) == __return_1135) && (0 <= main__i)) [2024-10-15 15:30:52,748 INFO L1541 ArrayList]: Location invariant before [L1782-L2412] (((\old(__return_1135) == __return_1135) && (((long long) main__i + 1) <= main__nlen)) && (0 <= main__i)) [2024-10-15 15:30:52,748 INFO L1541 ArrayList]: Location invariant before [L1464-L1499] (((\old(__return_1135) == __return_1135) && (((long long) main__i + 1) <= main__nlen)) && (0 <= main__i)) [2024-10-15 15:30:52,751 INFO L1541 ArrayList]: Location invariant before [L945-L980] (((\old(__return_1135) == __return_1135) && (((long long) main__i + 1) <= main__nlen)) && (0 <= main__i)) [2024-10-15 15:30:52,751 INFO L1541 ArrayList]: Location invariant before [L2300-L2300] (((\old(__return_1135) == __return_1135) && (((long long) main__i + 1) <= main__nlen)) && (0 <= main__i)) [2024-10-15 15:30:52,751 INFO L1541 ArrayList]: Location invariant before [L1579-L2489] ((\old(__return_1135) == __return_1135) && (0 <= main__i)) [2024-10-15 15:30:52,751 INFO L1541 ArrayList]: Location invariant before [L426-L461] (((\old(__return_1135) == __return_1135) && (((long long) main__i + 1) <= main__nlen)) && (0 <= main__i)) [2024-10-15 15:30:52,751 INFO L1541 ArrayList]: Location invariant before [L541-L2645] ((\old(__return_1135) == __return_1135) && (0 <= main__i)) [2024-10-15 15:30:52,751 INFO L1541 ArrayList]: Location invariant before [L2303-L2334] (((\old(__return_1135) == __return_1135) && (((long long) main__i + 1) <= main__nlen)) && (0 <= main__i)) [2024-10-15 15:30:52,761 INFO L1541 ArrayList]: Location invariant before [L2098-L2411] ((\old(__return_1135) == __return_1135) && (0 <= main__i)) [2024-10-15 15:30:52,762 INFO L1541 ArrayList]: Function contract at [L13]: requires null, ensures (__return_main == \old(__return_main)) [2024-10-15 15:30:52,827 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-15 15:30:53,196 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/loop-invgen/id_build.i.p+sep-reducer.c[34383,34396] [2024-10-15 15:30:53,228 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/loop-invgen/id_build.i.p+sep-reducer.c[39106,39119] [2024-10-15 15:30:53,243 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-15 15:30:53,271 INFO L200 MainTranslator]: Completed pre-run Start Parsing Global Start Parsing Local Start Parsing Local Start Parsing Local [2024-10-15 15:30:53,461 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/loop-invgen/id_build.i.p+sep-reducer.c[34383,34396] Start Parsing Local [2024-10-15 15:30:53,495 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/loop-invgen/id_build.i.p+sep-reducer.c[39106,39119] Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local [2024-10-15 15:30:53,524 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-15 15:30:53,544 INFO L204 MainTranslator]: Completed translation [2024-10-15 15:30:53,544 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:30:53 WrapperNode [2024-10-15 15:30:53,544 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-15 15:30:53,545 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-15 15:30:53,545 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-15 15:30:53,545 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-15 15:30:53,550 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:30:53" (1/1) ... [2024-10-15 15:30:53,576 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:30:53" (1/1) ... [2024-10-15 15:30:53,596 INFO L138 Inliner]: procedures = 14, calls = 7, calls flagged for inlining = 0, calls inlined = 0, statements flattened = 0 [2024-10-15 15:30:53,597 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-15 15:30:53,597 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-15 15:30:53,597 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-15 15:30:53,598 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-15 15:30:53,608 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:30:53" (1/1) ... [2024-10-15 15:30:53,609 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:30:53" (1/1) ... [2024-10-15 15:30:53,619 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:30:53" (1/1) ... [2024-10-15 15:30:53,639 WARN L109 MemorySlicer]: Omit memory slicing because it failed with the following exception: Unsupported: Procedure main is not part of the Ultimate memory model but has specification other that is not a ModifiesSpecification [2024-10-15 15:30:53,639 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:30:53" (1/1) ... [2024-10-15 15:30:53,639 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:30:53" (1/1) ... [2024-10-15 15:30:53,690 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:30:53" (1/1) ... [2024-10-15 15:30:53,703 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:30:53" (1/1) ... [2024-10-15 15:30:53,708 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:30:53" (1/1) ... [2024-10-15 15:30:53,714 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:30:53" (1/1) ... [2024-10-15 15:30:53,726 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-15 15:30:53,727 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-15 15:30:53,727 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-15 15:30:53,727 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-15 15:30:53,728 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:30:53" (1/1) ... [2024-10-15 15:30:53,739 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-15 15:30:53,749 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-10-15 15:30:53,764 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 15:30:53,768 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 15:30:53,814 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-15 15:30:53,814 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-10-15 15:30:53,814 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-10-15 15:30:53,814 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-10-15 15:30:53,814 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-10-15 15:30:53,815 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-10-15 15:30:53,815 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-15 15:30:53,815 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-15 15:30:53,964 INFO L238 CfgBuilder]: Building ICFG [2024-10-15 15:30:53,966 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-15 15:30:55,441 INFO L287 CfgBuilder]: Performing block encoding [2024-10-15 15:30:55,501 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-15 15:30:55,501 INFO L314 CfgBuilder]: Removed 0 assume(true) statements. [2024-10-15 15:30:55,502 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 03:30:55 BoogieIcfgContainer [2024-10-15 15:30:55,502 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-15 15:30:55,503 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-10-15 15:30:55,503 INFO L270 PluginConnector]: Initializing Referee... [2024-10-15 15:30:55,505 INFO L274 PluginConnector]: Referee initialized [2024-10-15 15:30:55,506 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 03:30:50" (1/4) ... [2024-10-15 15:30:55,506 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@32255c99 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 15.10 03:30:55, skipping insertion in model container [2024-10-15 15:30:55,506 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 15.10 03:30:52" (2/4) ... [2024-10-15 15:30:55,506 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@32255c99 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 15.10 03:30:55, skipping insertion in model container [2024-10-15 15:30:55,506 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:30:53" (3/4) ... [2024-10-15 15:30:55,507 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@32255c99 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 15.10 03:30:55, skipping insertion in model container [2024-10-15 15:30:55,507 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 03:30:55" (4/4) ... [2024-10-15 15:30:55,508 INFO L79 RefereeObserver]: Analyzing ICFG id_build.i.p+sep-reducer.c [2024-10-15 15:30:55,512 INFO L113 InvariantChecker]: Found 0 loops. [2024-10-15 15:30:55,513 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr2ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 118 edges. [2024-10-15 15:30:55,515 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr4ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 181 edges. [2024-10-15 15:30:55,516 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr9ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 287 edges. [2024-10-15 15:30:55,516 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr3ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 127 edges. [2024-10-15 15:30:55,517 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr5ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 190 edges. [2024-10-15 15:30:55,517 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr6ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 216 edges. [2024-10-15 15:30:55,518 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr7ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 288 edges. [2024-10-15 15:30:55,518 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr8ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 250 edges. [2024-10-15 15:30:55,518 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr1ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 64 edges. [2024-10-15 15:30:55,519 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr11ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 288 edges. [2024-10-15 15:30:55,519 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 55 edges. [2024-10-15 15:30:55,520 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr12ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 488 edges. [2024-10-15 15:30:55,520 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr10ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 287 edges. [2024-10-15 15:30:55,520 INFO L131 InvariantChecker]: Will check 13 loop-free subgraphs from procedure entry to error location [2024-10-15 15:30:55,655 INFO L309 BlockEncoder]: Initial Icfg 109 locations, 118 edges [2024-10-15 15:30:55,656 INFO L259 BlockEncoder]: Using Maximize final states [2024-10-15 15:30:55,656 INFO L266 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-10-15 15:30:55,657 INFO L272 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-10-15 15:30:55,658 INFO L167 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-10-15 15:30:55,660 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:30:56,782 INFO L101 BaseMinimizeStates]: Removed 710 edges and 105 locations by large block encoding [2024-10-15 15:30:56,784 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:30:56,784 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-10-15 15:30:56,785 INFO L233 BlockEncoder]: Using Create parallel compositions if possible [2024-10-15 15:30:56,786 INFO L68 ParallelComposer]: Creating parallel compositions [2024-10-15 15:30:56,820 INFO L309 BlockEncoder]: Encoded RCFG 4 locations, 8 edges [2024-10-15 15:30:56,821 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.referee has thrown an exception: java.lang.AssertionError: Either subgraph not acyclic or there is a bug at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AcyclicSubgraphMerger.(AcyclicSubgraphMerger.java:168) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.InvariantChecker.(InvariantChecker.java:145) at de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeStarter.(RefereeStarter.java:56) at de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver.finish(RefereeObserver.java:80) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2024-10-15 15:30:56,826 INFO L158 Benchmark]: Toolchain (without parser) took 4136.29ms. Allocated memory was 73.4MB in the beginning and 272.6MB in the end (delta: 199.2MB). Free memory was 37.8MB in the beginning and 180.3MB in the end (delta: -142.4MB). Peak memory consumption was 79.2MB. Max. memory is 16.1GB. [2024-10-15 15:30:56,827 INFO L158 Benchmark]: Witness Parser took 0.23ms. Allocated memory is still 50.3MB. Free memory was 23.4MB in the beginning and 23.3MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. [2024-10-15 15:30:56,827 INFO L158 Benchmark]: CDTParser took 0.42ms. Allocated memory is still 50.3MB. Free memory is still 21.0MB. There was no memory consumed. Max. memory is 16.1GB. [2024-10-15 15:30:56,828 INFO L158 Benchmark]: CACSL2BoogieTranslator took 854.29ms. Allocated memory is still 73.4MB. Free memory was 37.6MB in the beginning and 29.0MB in the end (delta: 8.6MB). Peak memory consumption was 10.3MB. Max. memory is 16.1GB. [2024-10-15 15:30:56,828 INFO L158 Benchmark]: Boogie Procedure Inliner took 51.68ms. Allocated memory was 73.4MB in the beginning and 88.1MB in the end (delta: 14.7MB). Free memory was 29.0MB in the beginning and 64.1MB in the end (delta: -35.1MB). Peak memory consumption was 3.2MB. Max. memory is 16.1GB. [2024-10-15 15:30:56,829 INFO L158 Benchmark]: Boogie Preprocessor took 128.68ms. Allocated memory is still 88.1MB. Free memory was 64.1MB in the beginning and 57.8MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2024-10-15 15:30:56,830 INFO L158 Benchmark]: RCFGBuilder took 1775.30ms. Allocated memory is still 88.1MB. Free memory was 57.8MB in the beginning and 39.0MB in the end (delta: 18.8MB). Peak memory consumption was 29.8MB. Max. memory is 16.1GB. [2024-10-15 15:30:56,830 INFO L158 Benchmark]: Referee took 1321.44ms. Allocated memory was 88.1MB in the beginning and 272.6MB in the end (delta: 184.5MB). Free memory was 39.0MB in the beginning and 180.3MB in the end (delta: -141.3MB). Peak memory consumption was 67.4MB. Max. memory is 16.1GB. [2024-10-15 15:30:56,833 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.referee: - ExceptionOrErrorResult: AssertionError: Either subgraph not acyclic or there is a bug de.uni_freiburg.informatik.ultimate.plugins.generator.referee: AssertionError: Either subgraph not acyclic or there is a bug: de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AcyclicSubgraphMerger.(AcyclicSubgraphMerger.java:168) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Witness Parser took 0.23ms. Allocated memory is still 50.3MB. Free memory was 23.4MB in the beginning and 23.3MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. * CDTParser took 0.42ms. Allocated memory is still 50.3MB. Free memory is still 21.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 854.29ms. Allocated memory is still 73.4MB. Free memory was 37.6MB in the beginning and 29.0MB in the end (delta: 8.6MB). Peak memory consumption was 10.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 51.68ms. Allocated memory was 73.4MB in the beginning and 88.1MB in the end (delta: 14.7MB). Free memory was 29.0MB in the beginning and 64.1MB in the end (delta: -35.1MB). Peak memory consumption was 3.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 128.68ms. Allocated memory is still 88.1MB. Free memory was 64.1MB in the beginning and 57.8MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * RCFGBuilder took 1775.30ms. Allocated memory is still 88.1MB. Free memory was 57.8MB in the beginning and 39.0MB in the end (delta: 18.8MB). Peak memory consumption was 29.8MB. Max. memory is 16.1GB. * Referee took 1321.44ms. Allocated memory was 88.1MB in the beginning and 272.6MB in the end (delta: 184.5MB). Free memory was 39.0MB in the beginning and 180.3MB in the end (delta: -141.3MB). Peak memory consumption was 67.4MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-10-15 15:30:56,869 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...