This is Ultimate 0.2.5-wip.dk.contract-modifies-e378df2-m [2024-10-15 15:30:32,353 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-15 15:30:32,432 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Default.epf [2024-10-15 15:30:32,439 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-15 15:30:32,440 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-15 15:30:32,463 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-15 15:30:32,466 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-15 15:30:32,466 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-15 15:30:32,467 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-15 15:30:32,468 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-15 15:30:32,468 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-15 15:30:32,469 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-15 15:30:32,469 INFO L153 SettingsManager]: * Use SBE=true [2024-10-15 15:30:32,469 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-15 15:30:32,469 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-15 15:30:32,469 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-15 15:30:32,470 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-15 15:30:32,470 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-15 15:30:32,470 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-15 15:30:32,470 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-15 15:30:32,471 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-15 15:30:32,474 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-15 15:30:32,474 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-15 15:30:32,474 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-15 15:30:32,474 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-15 15:30:32,475 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-15 15:30:32,475 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-15 15:30:32,475 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-15 15:30:32,475 INFO L153 SettingsManager]: * Future-live optimization=false [2024-10-15 15:30:32,475 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-15 15:30:32,475 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-15 15:30:32,475 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None Applying setting for plugin de.uni_freiburg.informatik.ultimate.boogie.procedureinliner: Inline calls to implemented procedures -> NEVER [2024-10-15 15:30:32,758 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-15 15:30:32,781 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-15 15:30:32,783 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-15 15:30:32,785 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-15 15:30:32,786 INFO L274 PluginConnector]: CDTParser initialized [2024-10-15 15:30:32,787 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/loop-crafted/simple_array_index_value_4.i.v+nlh-reducer.c [2024-10-15 15:30:34,044 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-15 15:30:34,212 INFO L384 CDTParser]: Found 1 translation units. [2024-10-15 15:30:34,213 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-crafted/simple_array_index_value_4.i.v+nlh-reducer.c [2024-10-15 15:30:34,220 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/f55a19a16/9e4e8ee4b8f14f09a32456460d0715cd/FLAG8c1317dfe [2024-10-15 15:30:34,233 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/f55a19a16/9e4e8ee4b8f14f09a32456460d0715cd [2024-10-15 15:30:34,235 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-10-15 15:30:34,237 INFO L274 PluginConnector]: Witness Parser initialized [2024-10-15 15:30:34,238 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/automizer-verification-files/SV-COMP24_unreach-call/simple_array_index_value_4.i.v+nlh-reducer.yml/witness-2.1.yml [2024-10-15 15:30:34,297 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-15 15:30:34,298 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-10-15 15:30:34,302 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-15 15:30:34,302 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-15 15:30:34,306 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-15 15:30:34,307 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 03:30:34" (1/2) ... [2024-10-15 15:30:34,308 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@641061fe and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:30:34, skipping insertion in model container [2024-10-15 15:30:34,310 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 03:30:34" (1/2) ... [2024-10-15 15:30:34,311 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@59da3339 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:30:34, skipping insertion in model container [2024-10-15 15:30:34,312 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 03:30:34" (2/2) ... [2024-10-15 15:30:34,312 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@641061fe and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 15.10 03:30:34, skipping insertion in model container [2024-10-15 15:30:34,312 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 03:30:34" (2/2) ... [2024-10-15 15:30:34,326 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-10-15 15:30:34,328 INFO L1541 ArrayList]: Location invariant before [L33-L156] 0 [2024-10-15 15:30:34,329 INFO L1541 ArrayList]: Location invariant before [L64-L97] 0 [2024-10-15 15:30:34,329 INFO L1541 ArrayList]: Location invariant before [L50-L143] ((((long long) main__index1 + 1) <= main__index2) && (main__index2 <= 99999)) [2024-10-15 15:30:34,329 INFO L1541 ArrayList]: Location invariant before [L102-L136] ((((((long long) main__index2 + 1) % 4294967296) <= 99999) && ((((4294967295 + main__index1) % 4294967296) + 1) <= (((long long) main__index2 + 1) % 4294967296))) || (main__loop_entered == 0)) [2024-10-15 15:30:34,329 INFO L1541 ArrayList]: Location invariant before [L35-L151] (((((__tmp_155_0 == \old(__tmp_155_0)) && (main____CPAchecker_TMP_0 == 1)) && (main__loop_entered == 0)) && (((long long) main__index1 + 1) <= main__index2)) && (main__index2 <= 99999)) [2024-10-15 15:30:34,329 INFO L1541 ArrayList]: Loop invariant at [L20-L23] ((__tmp_155_0 == \old(__tmp_155_0)) && (main__loop_entered == 0)) [2024-10-15 15:30:34,329 INFO L1541 ArrayList]: Location invariant before [L105-L131] ((((((long long) main__index2 + 1) % 4294967296) <= 99999) && ((((4294967295 + main__index1) % 4294967296) + 1) <= (((long long) main__index2 + 1) % 4294967296))) || ((((long long) main__index1 + 1) <= main__index2) && (main__index2 <= 99999))) [2024-10-15 15:30:34,329 INFO L1541 ArrayList]: Location invariant before [L66-L92] ((((main____CPAchecker_TMP_0 != 0) && ((((long long) main__index2 + 1) % 4294967296) <= 99999)) && (((long long) main__index1 + 1) <= main__index2)) && ((((4294967295 + main__index1) % 4294967296) + 1) <= (((long long) main__index2 + 1) % 4294967296))) [2024-10-15 15:30:34,329 INFO L1541 ArrayList]: Function contract at [L14]: requires null, ensures ((__return_main == \old(__return_main)) && (__return_136 == \old(__return_136))) [2024-10-15 15:30:34,352 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-15 15:30:34,513 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-crafted/simple_array_index_value_4.i.v+nlh-reducer.c[1215,1228] [2024-10-15 15:30:34,522 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-crafted/simple_array_index_value_4.i.v+nlh-reducer.c[1969,1982] [2024-10-15 15:30:34,527 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-crafted/simple_array_index_value_4.i.v+nlh-reducer.c[2504,2517] [2024-10-15 15:30:34,531 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-15 15:30:34,543 INFO L200 MainTranslator]: Completed pre-run Start Parsing Global Start Parsing Local [2024-10-15 15:30:34,588 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-crafted/simple_array_index_value_4.i.v+nlh-reducer.c[1215,1228] [2024-10-15 15:30:34,593 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-crafted/simple_array_index_value_4.i.v+nlh-reducer.c[1969,1982] Start Parsing Local Start Parsing Local [2024-10-15 15:30:34,604 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-crafted/simple_array_index_value_4.i.v+nlh-reducer.c[2504,2517] Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local [2024-10-15 15:30:34,612 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-15 15:30:34,628 INFO L204 MainTranslator]: Completed translation [2024-10-15 15:30:34,629 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 15.10 03:30:34 WrapperNode [2024-10-15 15:30:34,629 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-15 15:30:34,630 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-15 15:30:34,630 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-15 15:30:34,630 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-15 15:30:34,636 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 03:30:34" (1/1) ... [2024-10-15 15:30:34,648 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 03:30:34" (1/1) ... [2024-10-15 15:30:34,656 INFO L138 Inliner]: procedures = 15, calls = 21, calls flagged for inlining = 0, calls inlined = 0, statements flattened = 0 [2024-10-15 15:30:34,656 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-15 15:30:34,657 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-15 15:30:34,658 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-15 15:30:34,658 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-15 15:30:34,667 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 03:30:34" (1/1) ... [2024-10-15 15:30:34,667 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 03:30:34" (1/1) ... [2024-10-15 15:30:34,670 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 03:30:34" (1/1) ... [2024-10-15 15:30:34,683 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 15:30:34,683 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 03:30:34" (1/1) ... [2024-10-15 15:30:34,684 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 03:30:34" (1/1) ... [2024-10-15 15:30:34,693 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 03:30:34" (1/1) ... [2024-10-15 15:30:34,699 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 03:30:34" (1/1) ... [2024-10-15 15:30:34,702 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 03:30:34" (1/1) ... [2024-10-15 15:30:34,703 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 03:30:34" (1/1) ... [2024-10-15 15:30:34,708 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-15 15:30:34,709 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-15 15:30:34,709 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-15 15:30:34,709 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-15 15:30:34,714 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 03:30:34" (1/1) ... [2024-10-15 15:30:34,726 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-15 15:30:34,734 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-10-15 15:30:34,748 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 15:30:34,751 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 15:30:34,794 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-15 15:30:34,794 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-10-15 15:30:34,794 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-10-15 15:30:34,794 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-10-15 15:30:34,795 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-10-15 15:30:34,795 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-10-15 15:30:34,795 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-10-15 15:30:34,795 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-10-15 15:30:34,795 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-15 15:30:34,796 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-15 15:30:34,796 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-10-15 15:30:34,796 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-10-15 15:30:34,868 INFO L238 CfgBuilder]: Building ICFG [2024-10-15 15:30:34,870 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-15 15:30:35,148 INFO L287 CfgBuilder]: Performing block encoding [2024-10-15 15:30:35,191 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-15 15:30:35,193 INFO L314 CfgBuilder]: Removed 1 assume(true) statements. [2024-10-15 15:30:35,194 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 03:30:35 BoogieIcfgContainer [2024-10-15 15:30:35,194 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-15 15:30:35,195 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-10-15 15:30:35,196 INFO L270 PluginConnector]: Initializing Referee... [2024-10-15 15:30:35,196 INFO L274 PluginConnector]: Referee initialized [2024-10-15 15:30:35,197 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 15.10 03:30:34" (1/4) ... [2024-10-15 15:30:35,197 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@fcbac0e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 15.10 03:30:35, skipping insertion in model container [2024-10-15 15:30:35,197 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 03:30:34" (2/4) ... [2024-10-15 15:30:35,197 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@fcbac0e and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 15.10 03:30:35, skipping insertion in model container [2024-10-15 15:30:35,197 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 03:30:34" (3/4) ... [2024-10-15 15:30:35,198 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@fcbac0e and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 15.10 03:30:35, skipping insertion in model container [2024-10-15 15:30:35,198 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 03:30:35" (4/4) ... [2024-10-15 15:30:35,199 INFO L79 RefereeObserver]: Analyzing ICFG simple_array_index_value_4.i.v+nlh-reducer.c [2024-10-15 15:30:35,202 INFO L113 InvariantChecker]: Found 1 loops. [2024-10-15 15:30:35,202 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L20-4 to ERROR_LOC mainErr2ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 10 edges. [2024-10-15 15:30:35,203 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L20-4 to ERROR_LOC mainErr4ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 17 edges. [2024-10-15 15:30:35,203 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L20-4 to ERROR_LOC mainErr9ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 38 edges. [2024-10-15 15:30:35,203 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L20-4 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 3 edges. [2024-10-15 15:30:35,204 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 2 edges. [2024-10-15 15:30:35,204 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L20-4 to ERROR_LOC mainErr3ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 17 edges. [2024-10-15 15:30:35,204 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L20-4 to ERROR_LOC mainErr5ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 31 edges. [2024-10-15 15:30:35,204 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L20-4 to ERROR_LOC mainErr6ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 31 edges. [2024-10-15 15:30:35,204 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L20-4 to ERROR_LOC mainErr11ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 50 edges. [2024-10-15 15:30:35,204 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L20-4 to ERROR_LOC mainErr7ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 32 edges. [2024-10-15 15:30:35,205 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L20-4 to ERROR_LOC mainErr8ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 33 edges. [2024-10-15 15:30:35,205 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L20-4 to ERROR_LOC mainErr1ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 8 edges. [2024-10-15 15:30:35,206 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L20-4 to ERROR_LOC mainErr10ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 39 edges. [2024-10-15 15:30:35,206 INFO L131 InvariantChecker]: Will check 1 loop-free subgraphs from procedure entry to loop head, 11 loop-free subgraphs from loop head to error location, 1 loop-free subgraphs from loop head to loop head [2024-10-15 15:30:35,243 INFO L309 BlockEncoder]: Initial Icfg 10 locations, 10 edges [2024-10-15 15:30:35,243 INFO L259 BlockEncoder]: Using Maximize final states [2024-10-15 15:30:35,244 INFO L266 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-10-15 15:30:35,244 INFO L272 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-10-15 15:30:35,246 INFO L167 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-10-15 15:30:35,247 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:30:35,278 INFO L101 BaseMinimizeStates]: Removed 24 edges and 8 locations by large block encoding [2024-10-15 15:30:35,279 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:30:35,279 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-10-15 15:30:35,279 INFO L233 BlockEncoder]: Using Create parallel compositions if possible [2024-10-15 15:30:35,280 INFO L68 ParallelComposer]: Creating parallel compositions [2024-10-15 15:30:35,282 INFO L309 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-10-15 15:30:35,294 INFO L520 InvariantChecker]: The annotation(s) from loop head L20-4 to loop head mainErr2ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-10-15 15:30:35,310 INFO L309 BlockEncoder]: Initial Icfg 15 locations, 17 edges [2024-10-15 15:30:35,311 INFO L259 BlockEncoder]: Using Maximize final states [2024-10-15 15:30:35,311 INFO L266 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-10-15 15:30:35,311 INFO L272 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-10-15 15:30:35,311 INFO L167 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-10-15 15:30:35,311 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:30:35,329 INFO L101 BaseMinimizeStates]: Removed 54 edges and 13 locations by large block encoding [2024-10-15 15:30:35,329 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:30:35,330 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-10-15 15:30:35,330 INFO L233 BlockEncoder]: Using Create parallel compositions if possible [2024-10-15 15:30:35,330 INFO L68 ParallelComposer]: Creating parallel compositions [2024-10-15 15:30:35,331 INFO L309 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-10-15 15:30:35,333 INFO L520 InvariantChecker]: The annotation(s) from loop head L20-4 to loop head mainErr4ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-10-15 15:30:35,347 INFO L309 BlockEncoder]: Initial Icfg 31 locations, 38 edges [2024-10-15 15:30:35,349 INFO L259 BlockEncoder]: Using Maximize final states [2024-10-15 15:30:35,349 INFO L266 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-10-15 15:30:35,349 INFO L272 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-10-15 15:30:35,350 INFO L167 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-10-15 15:30:35,350 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:30:35,495 INFO L101 BaseMinimizeStates]: Removed 119 edges and 27 locations by large block encoding [2024-10-15 15:30:35,496 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:30:35,496 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-10-15 15:30:35,499 INFO L233 BlockEncoder]: Using Create parallel compositions if possible [2024-10-15 15:30:35,499 INFO L68 ParallelComposer]: Creating parallel compositions [2024-10-15 15:30:35,506 INFO L309 BlockEncoder]: Encoded RCFG 4 locations, 8 edges [2024-10-15 15:30:35,507 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 15:30:35,511 INFO L158 Benchmark]: Toolchain (without parser) took 1212.89ms. Allocated memory was 67.1MB in the beginning and 88.1MB in the end (delta: 21.0MB). Free memory was 48.3MB in the beginning and 59.1MB in the end (delta: -10.8MB). Peak memory consumption was 38.8MB. Max. memory is 16.1GB. [2024-10-15 15:30:35,511 INFO L158 Benchmark]: CDTParser took 0.28ms. Allocated memory is still 67.1MB. Free memory was 43.1MB in the beginning and 43.0MB in the end (delta: 94.4kB). There was no memory consumed. Max. memory is 16.1GB. [2024-10-15 15:30:35,512 INFO L158 Benchmark]: Witness Parser took 0.09ms. Allocated memory is still 67.1MB. Free memory is still 30.8MB. There was no memory consumed. Max. memory is 16.1GB. [2024-10-15 15:30:35,512 INFO L158 Benchmark]: CACSL2BoogieTranslator took 327.34ms. Allocated memory is still 67.1MB. Free memory was 48.3MB in the beginning and 31.2MB in the end (delta: 17.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-10-15 15:30:35,512 INFO L158 Benchmark]: Boogie Procedure Inliner took 26.80ms. Allocated memory is still 67.1MB. Free memory was 31.2MB in the beginning and 30.2MB in the end (delta: 974.0kB). There was no memory consumed. Max. memory is 16.1GB. [2024-10-15 15:30:35,513 INFO L158 Benchmark]: Boogie Preprocessor took 51.41ms. Allocated memory is still 67.1MB. Free memory was 30.0MB in the beginning and 28.0MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-10-15 15:30:35,513 INFO L158 Benchmark]: RCFGBuilder took 485.34ms. Allocated memory was 67.1MB in the beginning and 88.1MB in the end (delta: 21.0MB). Free memory was 28.0MB in the beginning and 45.1MB in the end (delta: -17.1MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2024-10-15 15:30:35,514 INFO L158 Benchmark]: Referee took 315.00ms. Allocated memory is still 88.1MB. Free memory was 45.1MB in the beginning and 59.1MB in the end (delta: -13.9MB). Peak memory consumption was 14.6MB. Max. memory is 16.1GB. [2024-10-15 15:30:35,517 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 0.28ms. Allocated memory is still 67.1MB. Free memory was 43.1MB in the beginning and 43.0MB in the end (delta: 94.4kB). There was no memory consumed. Max. memory is 16.1GB. * Witness Parser took 0.09ms. Allocated memory is still 67.1MB. Free memory is still 30.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 327.34ms. Allocated memory is still 67.1MB. Free memory was 48.3MB in the beginning and 31.2MB in the end (delta: 17.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 26.80ms. Allocated memory is still 67.1MB. Free memory was 31.2MB in the beginning and 30.2MB in the end (delta: 974.0kB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 51.41ms. Allocated memory is still 67.1MB. Free memory was 30.0MB in the beginning and 28.0MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 485.34ms. Allocated memory was 67.1MB in the beginning and 88.1MB in the end (delta: 21.0MB). Free memory was 28.0MB in the beginning and 45.1MB in the end (delta: -17.1MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Referee took 315.00ms. Allocated memory is still 88.1MB. Free memory was 45.1MB in the beginning and 59.1MB in the end (delta: -13.9MB). Peak memory consumption was 14.6MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-10-15 15:30:35,544 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... ### Bit-precise run ### This is Ultimate 0.2.5-wip.dk.contract-modifies-e378df2-m [2024-10-15 15:30:37,268 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-15 15:30:37,335 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Bitvector.epf [2024-10-15 15:30:37,341 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-15 15:30:37,343 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-15 15:30:37,368 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-15 15:30:37,371 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-15 15:30:37,372 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-15 15:30:37,372 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-15 15:30:37,374 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-15 15:30:37,374 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-15 15:30:37,375 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-15 15:30:37,375 INFO L153 SettingsManager]: * Use SBE=true [2024-10-15 15:30:37,375 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-15 15:30:37,375 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-15 15:30:37,376 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-15 15:30:37,376 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-15 15:30:37,376 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-15 15:30:37,377 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-15 15:30:37,377 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-15 15:30:37,377 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-15 15:30:37,377 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-10-15 15:30:37,378 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-10-15 15:30:37,378 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-15 15:30:37,378 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-10-15 15:30:37,378 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-15 15:30:37,379 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-15 15:30:37,379 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-15 15:30:37,379 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-15 15:30:37,379 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-15 15:30:37,379 INFO L153 SettingsManager]: * Future-live optimization=false [2024-10-15 15:30:37,380 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-15 15:30:37,380 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-15 15:30:37,380 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None Applying setting for plugin de.uni_freiburg.informatik.ultimate.boogie.procedureinliner: Inline calls to implemented procedures -> NEVER [2024-10-15 15:30:37,644 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-15 15:30:37,666 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-15 15:30:37,668 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-15 15:30:37,671 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-15 15:30:37,672 INFO L274 PluginConnector]: CDTParser initialized [2024-10-15 15:30:37,673 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/loop-crafted/simple_array_index_value_4.i.v+nlh-reducer.c [2024-10-15 15:30:39,024 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-15 15:30:39,177 INFO L384 CDTParser]: Found 1 translation units. [2024-10-15 15:30:39,177 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-crafted/simple_array_index_value_4.i.v+nlh-reducer.c [2024-10-15 15:30:39,183 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/a899210ac/60d5136a51c24cdc9865447ab6a1afaa/FLAG14e89058b [2024-10-15 15:30:39,193 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/a899210ac/60d5136a51c24cdc9865447ab6a1afaa [2024-10-15 15:30:39,195 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-10-15 15:30:39,196 INFO L274 PluginConnector]: Witness Parser initialized [2024-10-15 15:30:39,196 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/automizer-verification-files/SV-COMP24_unreach-call/simple_array_index_value_4.i.v+nlh-reducer.yml/witness-2.1.yml [2024-10-15 15:30:39,248 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-15 15:30:39,249 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-10-15 15:30:39,250 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-15 15:30:39,251 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-15 15:30:39,255 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-15 15:30:39,255 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 03:30:39" (1/2) ... [2024-10-15 15:30:39,256 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@112a3f4f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:30:39, skipping insertion in model container [2024-10-15 15:30:39,256 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 03:30:39" (1/2) ... [2024-10-15 15:30:39,257 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@52413bd4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:30:39, skipping insertion in model container [2024-10-15 15:30:39,258 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 03:30:39" (2/2) ... [2024-10-15 15:30:39,258 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@112a3f4f and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 15.10 03:30:39, skipping insertion in model container [2024-10-15 15:30:39,258 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 03:30:39" (2/2) ... [2024-10-15 15:30:39,271 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-10-15 15:30:39,272 INFO L1541 ArrayList]: Location invariant before [L102-L136] ((((((long long) main__index2 + 1) % 4294967296) <= 99999) && ((((4294967295 + main__index1) % 4294967296) + 1) <= (((long long) main__index2 + 1) % 4294967296))) || (main__loop_entered == 0)) [2024-10-15 15:30:39,274 INFO L1541 ArrayList]: Location invariant before [L50-L143] ((((long long) main__index1 + 1) <= main__index2) && (main__index2 <= 99999)) [2024-10-15 15:30:39,274 INFO L1541 ArrayList]: Location invariant before [L105-L131] ((((((long long) main__index2 + 1) % 4294967296) <= 99999) && ((((4294967295 + main__index1) % 4294967296) + 1) <= (((long long) main__index2 + 1) % 4294967296))) || ((((long long) main__index1 + 1) <= main__index2) && (main__index2 <= 99999))) [2024-10-15 15:30:39,275 INFO L1541 ArrayList]: Location invariant before [L33-L156] 0 [2024-10-15 15:30:39,275 INFO L1541 ArrayList]: Loop invariant at [L20-L23] ((__tmp_155_0 == \old(__tmp_155_0)) && (main__loop_entered == 0)) [2024-10-15 15:30:39,275 INFO L1541 ArrayList]: Location invariant before [L64-L97] 0 [2024-10-15 15:30:39,275 INFO L1541 ArrayList]: Location invariant before [L35-L151] (((((__tmp_155_0 == \old(__tmp_155_0)) && (main____CPAchecker_TMP_0 == 1)) && (main__loop_entered == 0)) && (((long long) main__index1 + 1) <= main__index2)) && (main__index2 <= 99999)) [2024-10-15 15:30:39,275 INFO L1541 ArrayList]: Location invariant before [L66-L92] ((((main____CPAchecker_TMP_0 != 0) && ((((long long) main__index2 + 1) % 4294967296) <= 99999)) && (((long long) main__index1 + 1) <= main__index2)) && ((((4294967295 + main__index1) % 4294967296) + 1) <= (((long long) main__index2 + 1) % 4294967296))) [2024-10-15 15:30:39,276 INFO L1541 ArrayList]: Function contract at [L14]: requires null, ensures ((__return_main == \old(__return_main)) && (__return_136 == \old(__return_136))) [2024-10-15 15:30:39,295 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-15 15:30:39,463 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-crafted/simple_array_index_value_4.i.v+nlh-reducer.c[1215,1228] [2024-10-15 15:30:39,471 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-crafted/simple_array_index_value_4.i.v+nlh-reducer.c[1969,1982] [2024-10-15 15:30:39,476 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-crafted/simple_array_index_value_4.i.v+nlh-reducer.c[2504,2517] [2024-10-15 15:30:39,479 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-15 15:30:39,493 INFO L200 MainTranslator]: Completed pre-run Start Parsing Global Start Parsing Local [2024-10-15 15:30:39,533 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-crafted/simple_array_index_value_4.i.v+nlh-reducer.c[1215,1228] [2024-10-15 15:30:39,537 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-crafted/simple_array_index_value_4.i.v+nlh-reducer.c[1969,1982] Start Parsing Local Start Parsing Local [2024-10-15 15:30:39,545 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-crafted/simple_array_index_value_4.i.v+nlh-reducer.c[2504,2517] Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local [2024-10-15 15:30:39,557 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-15 15:30:39,576 INFO L204 MainTranslator]: Completed translation [2024-10-15 15:30:39,576 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 15.10 03:30:39 WrapperNode [2024-10-15 15:30:39,577 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-15 15:30:39,577 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-15 15:30:39,577 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-15 15:30:39,578 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-15 15:30:39,583 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 03:30:39" (1/1) ... [2024-10-15 15:30:39,591 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 03:30:39" (1/1) ... [2024-10-15 15:30:39,597 INFO L138 Inliner]: procedures = 17, calls = 21, calls flagged for inlining = 0, calls inlined = 0, statements flattened = 0 [2024-10-15 15:30:39,597 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-15 15:30:39,598 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-15 15:30:39,598 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-15 15:30:39,598 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-15 15:30:39,606 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 03:30:39" (1/1) ... [2024-10-15 15:30:39,606 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 03:30:39" (1/1) ... [2024-10-15 15:30:39,609 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 03:30:39" (1/1) ... [2024-10-15 15:30:39,618 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 15:30:39,618 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 03:30:39" (1/1) ... [2024-10-15 15:30:39,618 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 03:30:39" (1/1) ... [2024-10-15 15:30:39,632 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 03:30:39" (1/1) ... [2024-10-15 15:30:39,636 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 03:30:39" (1/1) ... [2024-10-15 15:30:39,639 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 03:30:39" (1/1) ... [2024-10-15 15:30:39,640 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 03:30:39" (1/1) ... [2024-10-15 15:30:39,647 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-15 15:30:39,648 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-15 15:30:39,648 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-15 15:30:39,648 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-15 15:30:39,649 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 03:30:39" (1/1) ... [2024-10-15 15:30:39,654 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-15 15:30:39,662 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-10-15 15:30:39,680 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 15:30:39,688 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 15:30:39,734 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-15 15:30:39,738 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-10-15 15:30:39,738 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-10-15 15:30:39,738 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-10-15 15:30:39,738 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-10-15 15:30:39,739 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-10-15 15:30:39,739 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-10-15 15:30:39,739 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2024-10-15 15:30:39,739 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-15 15:30:39,739 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-15 15:30:39,739 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-10-15 15:30:39,739 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2024-10-15 15:30:39,811 INFO L238 CfgBuilder]: Building ICFG [2024-10-15 15:30:39,812 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-15 15:30:40,086 INFO L287 CfgBuilder]: Performing block encoding [2024-10-15 15:30:40,130 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-15 15:30:40,131 INFO L314 CfgBuilder]: Removed 1 assume(true) statements. [2024-10-15 15:30:40,131 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 03:30:40 BoogieIcfgContainer [2024-10-15 15:30:40,131 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-15 15:30:40,132 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-10-15 15:30:40,132 INFO L270 PluginConnector]: Initializing Referee... [2024-10-15 15:30:40,133 INFO L274 PluginConnector]: Referee initialized [2024-10-15 15:30:40,133 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 15.10 03:30:39" (1/4) ... [2024-10-15 15:30:40,133 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@74247eaf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 15.10 03:30:40, skipping insertion in model container [2024-10-15 15:30:40,134 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 03:30:39" (2/4) ... [2024-10-15 15:30:40,134 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@74247eaf and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 15.10 03:30:40, skipping insertion in model container [2024-10-15 15:30:40,134 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 03:30:39" (3/4) ... [2024-10-15 15:30:40,134 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@74247eaf and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 15.10 03:30:40, skipping insertion in model container [2024-10-15 15:30:40,134 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 03:30:40" (4/4) ... [2024-10-15 15:30:40,135 INFO L79 RefereeObserver]: Analyzing ICFG simple_array_index_value_4.i.v+nlh-reducer.c [2024-10-15 15:30:40,138 INFO L113 InvariantChecker]: Found 1 loops. [2024-10-15 15:30:40,139 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L20-4 to ERROR_LOC mainErr2ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 10 edges. [2024-10-15 15:30:40,140 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L20-4 to ERROR_LOC mainErr4ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 17 edges. [2024-10-15 15:30:40,140 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L20-4 to ERROR_LOC mainErr9ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 38 edges. [2024-10-15 15:30:40,140 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L20-4 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 3 edges. [2024-10-15 15:30:40,140 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 2 edges. [2024-10-15 15:30:40,141 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L20-4 to ERROR_LOC mainErr3ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 17 edges. [2024-10-15 15:30:40,141 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L20-4 to ERROR_LOC mainErr5ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 31 edges. [2024-10-15 15:30:40,141 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L20-4 to ERROR_LOC mainErr6ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 31 edges. [2024-10-15 15:30:40,141 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L20-4 to ERROR_LOC mainErr11ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 50 edges. [2024-10-15 15:30:40,142 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L20-4 to ERROR_LOC mainErr7ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 32 edges. [2024-10-15 15:30:40,142 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L20-4 to ERROR_LOC mainErr8ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 33 edges. [2024-10-15 15:30:40,143 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L20-4 to ERROR_LOC mainErr1ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 8 edges. [2024-10-15 15:30:40,143 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L20-4 to ERROR_LOC mainErr10ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 39 edges. [2024-10-15 15:30:40,143 INFO L131 InvariantChecker]: Will check 1 loop-free subgraphs from loop head to loop head, 11 loop-free subgraphs from loop head to error location, 1 loop-free subgraphs from procedure entry to loop head [2024-10-15 15:30:40,197 INFO L309 BlockEncoder]: Initial Icfg 10 locations, 10 edges [2024-10-15 15:30:40,198 INFO L259 BlockEncoder]: Using Maximize final states [2024-10-15 15:30:40,198 INFO L266 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-10-15 15:30:40,199 INFO L272 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-10-15 15:30:40,200 INFO L167 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-10-15 15:30:40,202 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:30:40,214 INFO L101 BaseMinimizeStates]: Removed 24 edges and 8 locations by large block encoding [2024-10-15 15:30:40,216 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:30:40,216 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-10-15 15:30:40,216 INFO L233 BlockEncoder]: Using Create parallel compositions if possible [2024-10-15 15:30:40,217 INFO L68 ParallelComposer]: Creating parallel compositions [2024-10-15 15:30:40,223 INFO L309 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-10-15 15:30:40,235 INFO L520 InvariantChecker]: The annotation(s) from loop head L20-4 to loop head mainErr2ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-10-15 15:30:40,256 INFO L309 BlockEncoder]: Initial Icfg 15 locations, 17 edges [2024-10-15 15:30:40,256 INFO L259 BlockEncoder]: Using Maximize final states [2024-10-15 15:30:40,256 INFO L266 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-10-15 15:30:40,256 INFO L272 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-10-15 15:30:40,256 INFO L167 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-10-15 15:30:40,256 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:30:40,276 INFO L101 BaseMinimizeStates]: Removed 54 edges and 13 locations by large block encoding [2024-10-15 15:30:40,277 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:30:40,277 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-10-15 15:30:40,277 INFO L233 BlockEncoder]: Using Create parallel compositions if possible [2024-10-15 15:30:40,277 INFO L68 ParallelComposer]: Creating parallel compositions [2024-10-15 15:30:40,278 INFO L309 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-10-15 15:30:40,279 INFO L520 InvariantChecker]: The annotation(s) from loop head L20-4 to loop head mainErr4ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-10-15 15:30:40,298 INFO L309 BlockEncoder]: Initial Icfg 31 locations, 38 edges [2024-10-15 15:30:40,298 INFO L259 BlockEncoder]: Using Maximize final states [2024-10-15 15:30:40,298 INFO L266 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-10-15 15:30:40,298 INFO L272 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-10-15 15:30:40,298 INFO L167 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-10-15 15:30:40,298 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:30:40,463 INFO L101 BaseMinimizeStates]: Removed 119 edges and 27 locations by large block encoding [2024-10-15 15:30:40,463 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:30:40,464 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-10-15 15:30:40,464 INFO L233 BlockEncoder]: Using Create parallel compositions if possible [2024-10-15 15:30:40,465 INFO L68 ParallelComposer]: Creating parallel compositions [2024-10-15 15:30:40,473 INFO L309 BlockEncoder]: Encoded RCFG 4 locations, 8 edges [2024-10-15 15:30:40,474 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 15:30:40,480 INFO L158 Benchmark]: Toolchain (without parser) took 1229.71ms. Allocated memory was 86.0MB in the beginning and 111.1MB in the end (delta: 25.2MB). Free memory was 54.1MB in the beginning and 75.7MB in the end (delta: -21.6MB). Peak memory consumption was 29.2MB. Max. memory is 16.1GB. [2024-10-15 15:30:40,480 INFO L158 Benchmark]: CDTParser took 0.18ms. Allocated memory is still 56.6MB. Free memory was 36.4MB in the beginning and 36.3MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. [2024-10-15 15:30:40,480 INFO L158 Benchmark]: Witness Parser took 0.09ms. Allocated memory is still 86.0MB. Free memory is still 56.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-10-15 15:30:40,481 INFO L158 Benchmark]: CACSL2BoogieTranslator took 326.39ms. Allocated memory is still 86.0MB. Free memory was 53.9MB in the beginning and 60.3MB in the end (delta: -6.4MB). Peak memory consumption was 13.7MB. Max. memory is 16.1GB. [2024-10-15 15:30:40,482 INFO L158 Benchmark]: Boogie Procedure Inliner took 20.26ms. Allocated memory is still 86.0MB. Free memory was 60.3MB in the beginning and 59.4MB in the end (delta: 866.3kB). There was no memory consumed. Max. memory is 16.1GB. [2024-10-15 15:30:40,482 INFO L158 Benchmark]: Boogie Preprocessor took 48.66ms. Allocated memory is still 86.0MB. Free memory was 59.4MB in the beginning and 57.2MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-10-15 15:30:40,483 INFO L158 Benchmark]: RCFGBuilder took 483.94ms. Allocated memory is still 86.0MB. Free memory was 56.9MB in the beginning and 36.8MB in the end (delta: 20.2MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2024-10-15 15:30:40,484 INFO L158 Benchmark]: Referee took 346.37ms. Allocated memory was 86.0MB in the beginning and 111.1MB in the end (delta: 25.2MB). Free memory was 36.8MB in the beginning and 75.7MB in the end (delta: -39.0MB). Peak memory consumption was 11.2MB. Max. memory is 16.1GB. [2024-10-15 15:30:40,488 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 0.18ms. Allocated memory is still 56.6MB. Free memory was 36.4MB in the beginning and 36.3MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. * Witness Parser took 0.09ms. Allocated memory is still 86.0MB. Free memory is still 56.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 326.39ms. Allocated memory is still 86.0MB. Free memory was 53.9MB in the beginning and 60.3MB in the end (delta: -6.4MB). Peak memory consumption was 13.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 20.26ms. Allocated memory is still 86.0MB. Free memory was 60.3MB in the beginning and 59.4MB in the end (delta: 866.3kB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 48.66ms. Allocated memory is still 86.0MB. Free memory was 59.4MB in the beginning and 57.2MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 483.94ms. Allocated memory is still 86.0MB. Free memory was 56.9MB in the beginning and 36.8MB in the end (delta: 20.2MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * Referee took 346.37ms. Allocated memory was 86.0MB in the beginning and 111.1MB in the end (delta: 25.2MB). Free memory was 36.8MB in the beginning and 75.7MB in the end (delta: -39.0MB). Peak memory consumption was 11.2MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-10-15 15:30:40,512 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...