This is Ultimate 0.2.5-wip.dk.contract-modifies-e378df2-m [2024-10-15 15:30:32,731 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-15 15:30:32,788 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Default.epf [2024-10-15 15:30:32,800 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-15 15:30:32,801 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-15 15:30:32,823 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-15 15:30:32,823 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-15 15:30:32,823 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-15 15:30:32,824 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-15 15:30:32,824 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-15 15:30:32,825 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-15 15:30:32,825 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-15 15:30:32,825 INFO L153 SettingsManager]: * Use SBE=true [2024-10-15 15:30:32,825 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-15 15:30:32,826 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-15 15:30:32,826 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-15 15:30:32,828 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-15 15:30:32,830 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-15 15:30:32,830 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-15 15:30:32,830 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-15 15:30:32,830 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-15 15:30:32,831 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-15 15:30:32,831 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-15 15:30:32,833 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-15 15:30:32,833 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-15 15:30:32,834 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-15 15:30:32,834 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-15 15:30:32,834 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-15 15:30:32,834 INFO L153 SettingsManager]: * Future-live optimization=false [2024-10-15 15:30:32,834 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-15 15:30:32,834 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-15 15:30:32,834 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None Applying setting for plugin de.uni_freiburg.informatik.ultimate.boogie.procedureinliner: Inline calls to implemented procedures -> NEVER [2024-10-15 15:30:33,098 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-15 15:30:33,118 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-15 15:30:33,120 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-15 15:30:33,130 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-15 15:30:33,131 INFO L274 PluginConnector]: CDTParser initialized [2024-10-15 15:30:33,132 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/loop-crafted/simple_array_index_value_4.i.v+lhb-reducer.c [2024-10-15 15:30:34,526 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-15 15:30:34,746 INFO L384 CDTParser]: Found 1 translation units. [2024-10-15 15:30:34,748 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-crafted/simple_array_index_value_4.i.v+lhb-reducer.c [2024-10-15 15:30:34,756 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/a40662751/e1bc36d280044f11bdca5835bfc0f510/FLAG2f9b59b98 [2024-10-15 15:30:34,771 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/a40662751/e1bc36d280044f11bdca5835bfc0f510 [2024-10-15 15:30:34,773 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-10-15 15:30:34,774 INFO L274 PluginConnector]: Witness Parser initialized [2024-10-15 15:30:34,774 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/automizer-verification-files/SV-COMP24_unreach-call/simple_array_index_value_4.i.v+lhb-reducer.yml/witness-2.1.yml [2024-10-15 15:30:34,833 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-15 15:30:34,836 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-10-15 15:30:34,839 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-15 15:30:34,839 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-15 15:30:34,843 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-15 15:30:34,843 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 03:30:34" (1/2) ... [2024-10-15 15:30:34,844 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5e8862fc 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 15:30:34,846 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 03:30:34" (1/2) ... [2024-10-15 15:30:34,847 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@5aa5afa4 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 15:30:34,847 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 15:30:34,847 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5e8862fc 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 15:30:34,847 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 15:30:34,861 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-10-15 15:30:34,863 INFO L1541 ArrayList]: Location invariant before [L33-L156] 0 [2024-10-15 15:30:34,863 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 15:30:34,863 INFO L1541 ArrayList]: Location invariant before [L64-L97] 0 [2024-10-15 15:30:34,863 INFO L1541 ArrayList]: Location invariant before [L50-L143] ((((long long) main__index1 + 1) <= main__index2) && (main__index2 <= 99999)) [2024-10-15 15:30:34,863 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 15:30:34,864 INFO L1541 ArrayList]: Location invariant before [L30-L189] (((((long long) main__index2 + 1) % 4294967296) <= 99999) && ((((4294967295 + main__index1) % 4294967296) + 1) <= (((long long) main__index2 + 1) % 4294967296))) [2024-10-15 15:30:34,864 INFO L1541 ArrayList]: Loop invariant at [L20-L23] ((__tmp_155_0 == \old(__tmp_155_0)) && (main__loop_entered == 0)) [2024-10-15 15:30:34,864 INFO L1541 ArrayList]: Location invariant before [L104-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 15:30:34,864 INFO L1541 ArrayList]: Function contract at [L14]: requires null, ensures ((__return_main == \old(__return_main)) && (__return_136 == \old(__return_136))) [2024-10-15 15:30:34,883 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-15 15:30:35,029 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-crafted/simple_array_index_value_4.i.v+lhb-reducer.c[1215,1228] [2024-10-15 15:30:35,038 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+lhb-reducer.c[1969,1982] [2024-10-15 15:30:35,041 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+lhb-reducer.c[2490,2503] [2024-10-15 15:30:35,045 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+lhb-reducer.c[3282,3295] [2024-10-15 15:30:35,050 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-15 15:30:35,059 INFO L200 MainTranslator]: Completed pre-run Start Parsing Global Start Parsing Local [2024-10-15 15:30:35,096 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+lhb-reducer.c[1215,1228] [2024-10-15 15:30:35,101 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+lhb-reducer.c[1969,1982] Start Parsing Local Start Parsing Local [2024-10-15 15:30:35,113 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+lhb-reducer.c[2490,2503] Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local [2024-10-15 15:30:35,119 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+lhb-reducer.c[3282,3295] Start Parsing Local [2024-10-15 15:30:35,122 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-15 15:30:35,134 INFO L204 MainTranslator]: Completed translation [2024-10-15 15:30:35,134 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 15.10 03:30:35 WrapperNode [2024-10-15 15:30:35,134 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-15 15:30:35,135 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-15 15:30:35,136 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-15 15:30:35,136 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-15 15:30:35,141 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 03:30:35" (1/1) ... [2024-10-15 15:30:35,151 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 03:30:35" (1/1) ... [2024-10-15 15:30:35,159 INFO L138 Inliner]: procedures = 15, calls = 26, calls flagged for inlining = 0, calls inlined = 0, statements flattened = 0 [2024-10-15 15:30:35,160 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-15 15:30:35,161 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-15 15:30:35,161 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-15 15:30:35,162 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-15 15:30:35,170 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 03:30:35" (1/1) ... [2024-10-15 15:30:35,170 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 03:30:35" (1/1) ... [2024-10-15 15:30:35,172 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 03:30:35" (1/1) ... [2024-10-15 15:30:35,181 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 15:30:35,185 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 03:30:35" (1/1) ... [2024-10-15 15:30:35,185 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 03:30:35" (1/1) ... [2024-10-15 15:30:35,194 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 03:30:35" (1/1) ... [2024-10-15 15:30:35,201 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 03:30:35" (1/1) ... [2024-10-15 15:30:35,202 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 03:30:35" (1/1) ... [2024-10-15 15:30:35,207 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 03:30:35" (1/1) ... [2024-10-15 15:30:35,209 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-15 15:30:35,209 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-15 15:30:35,209 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-15 15:30:35,210 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-15 15:30:35,213 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 03:30:35" (1/1) ... [2024-10-15 15:30:35,217 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-15 15:30:35,224 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-10-15 15:30:35,240 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 15:30:35,249 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 15:30:35,303 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-15 15:30:35,303 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-10-15 15:30:35,303 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-10-15 15:30:35,304 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-10-15 15:30:35,304 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-10-15 15:30:35,304 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-10-15 15:30:35,304 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-10-15 15:30:35,304 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-10-15 15:30:35,305 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-15 15:30:35,305 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-15 15:30:35,305 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-10-15 15:30:35,305 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-10-15 15:30:35,405 INFO L238 CfgBuilder]: Building ICFG [2024-10-15 15:30:35,411 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-15 15:30:35,909 INFO L287 CfgBuilder]: Performing block encoding [2024-10-15 15:30:35,982 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-15 15:30:35,983 INFO L314 CfgBuilder]: Removed 1 assume(true) statements. [2024-10-15 15:30:35,984 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 15:30:35,984 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-15 15:30:35,989 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-10-15 15:30:35,989 INFO L270 PluginConnector]: Initializing Referee... [2024-10-15 15:30:35,989 INFO L274 PluginConnector]: Referee initialized [2024-10-15 15:30:35,990 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 15.10 03:30:34" (1/4) ... [2024-10-15 15:30:35,990 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@634f4150 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 15:30:35,990 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 15:30:35,990 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@634f4150 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 15:30:35,990 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 03:30:35" (3/4) ... [2024-10-15 15:30:35,990 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@634f4150 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 15:30:35,991 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 15:30:35,991 INFO L79 RefereeObserver]: Analyzing ICFG simple_array_index_value_4.i.v+lhb-reducer.c [2024-10-15 15:30:35,998 INFO L113 InvariantChecker]: Found 1 loops. [2024-10-15 15:30:35,999 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L20-4 to ERROR_LOC mainErr2ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 9 edges. [2024-10-15 15:30:36,001 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L20-4 to ERROR_LOC mainErr9ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 42 edges. [2024-10-15 15:30:36,002 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L20-4 to ERROR_LOC mainErr3ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 11 edges. [2024-10-15 15:30:36,002 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L20-4 to ERROR_LOC mainErr5ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 18 edges. [2024-10-15 15:30:36,002 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L20-4 to ERROR_LOC mainErr6ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 32 edges. [2024-10-15 15:30:36,002 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L20-4 to ERROR_LOC mainErr1ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 7 edges. [2024-10-15 15:30:36,003 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L20-4 to ERROR_LOC mainErr11ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 12 edges. [2024-10-15 15:30:36,003 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 15:30:36,003 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 15:30:36,003 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L20-4 to ERROR_LOC mainErr8ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 33 edges. [2024-10-15 15:30:36,003 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L20-4 to ERROR_LOC mainErr7ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 32 edges. [2024-10-15 15:30:36,005 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L20-4 to ERROR_LOC mainErr12ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 58 edges. [2024-10-15 15:30:36,005 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L20-4 to ERROR_LOC mainErr4ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 18 edges. [2024-10-15 15:30:36,006 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L20-4 to ERROR_LOC mainErr10ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 43 edges. [2024-10-15 15:30:36,006 INFO L131 InvariantChecker]: Will check 12 loop-free subgraphs from loop head to error location, 1 loop-free subgraphs from loop head to loop head, 1 loop-free subgraphs from procedure entry to loop head [2024-10-15 15:30:36,082 INFO L309 BlockEncoder]: Initial Icfg 9 locations, 9 edges [2024-10-15 15:30:36,083 INFO L259 BlockEncoder]: Using Maximize final states [2024-10-15 15:30:36,088 INFO L266 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-10-15 15:30:36,089 INFO L272 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-10-15 15:30:36,090 INFO L167 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-10-15 15:30:36,091 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:30:36,138 INFO L101 BaseMinimizeStates]: Removed 21 edges and 7 locations by large block encoding [2024-10-15 15:30:36,139 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:30:36,139 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-10-15 15:30:36,139 INFO L233 BlockEncoder]: Using Create parallel compositions if possible [2024-10-15 15:30:36,140 INFO L68 ParallelComposer]: Creating parallel compositions [2024-10-15 15:30:36,149 INFO L309 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-10-15 15:30:36,230 INFO L309 BlockEncoder]: Initial Icfg 35 locations, 42 edges [2024-10-15 15:30:36,230 INFO L259 BlockEncoder]: Using Maximize final states [2024-10-15 15:30:36,230 INFO L266 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-10-15 15:30:36,230 INFO L272 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-10-15 15:30:36,230 INFO L167 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-10-15 15:30:36,231 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:30:36,504 INFO L101 BaseMinimizeStates]: Removed 143 edges and 31 locations by large block encoding [2024-10-15 15:30:36,505 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:30:36,505 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-10-15 15:30:36,505 INFO L233 BlockEncoder]: Using Create parallel compositions if possible [2024-10-15 15:30:36,505 INFO L68 ParallelComposer]: Creating parallel compositions [2024-10-15 15:30:36,524 INFO L309 BlockEncoder]: Encoded RCFG 4 locations, 8 edges [2024-10-15 15:30:36,526 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 15:30:36,531 INFO L158 Benchmark]: Toolchain (without parser) took 1696.26ms. Allocated memory was 83.9MB in the beginning and 115.3MB in the end (delta: 31.5MB). Free memory was 59.3MB in the beginning and 71.2MB in the end (delta: -11.9MB). Peak memory consumption was 43.1MB. Max. memory is 16.1GB. [2024-10-15 15:30:36,531 INFO L158 Benchmark]: CDTParser took 0.18ms. Allocated memory is still 83.9MB. Free memory is still 67.5MB. There was no memory consumed. Max. memory is 16.1GB. [2024-10-15 15:30:36,532 INFO L158 Benchmark]: Witness Parser took 1.24ms. Allocated memory is still 83.9MB. Free memory is still 61.7MB. There was no memory consumed. Max. memory is 16.1GB. [2024-10-15 15:30:36,533 INFO L158 Benchmark]: CACSL2BoogieTranslator took 296.15ms. Allocated memory is still 83.9MB. Free memory was 59.3MB in the beginning and 41.7MB in the end (delta: 17.6MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2024-10-15 15:30:36,533 INFO L158 Benchmark]: Boogie Procedure Inliner took 24.96ms. Allocated memory is still 83.9MB. Free memory was 41.7MB in the beginning and 40.6MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. [2024-10-15 15:30:36,534 INFO L158 Benchmark]: Boogie Preprocessor took 48.11ms. Allocated memory is still 83.9MB. Free memory was 40.6MB in the beginning and 38.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-10-15 15:30:36,535 INFO L158 Benchmark]: RCFGBuilder took 778.64ms. Allocated memory is still 83.9MB. Free memory was 38.6MB in the beginning and 41.2MB in the end (delta: -2.6MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2024-10-15 15:30:36,536 INFO L158 Benchmark]: Referee took 540.95ms. Allocated memory was 83.9MB in the beginning and 115.3MB in the end (delta: 31.5MB). Free memory was 41.2MB in the beginning and 71.2MB in the end (delta: -30.0MB). Peak memory consumption was 24.3MB. Max. memory is 16.1GB. [2024-10-15 15:30:36,539 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 83.9MB. Free memory is still 67.5MB. There was no memory consumed. Max. memory is 16.1GB. * Witness Parser took 1.24ms. Allocated memory is still 83.9MB. Free memory is still 61.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 296.15ms. Allocated memory is still 83.9MB. Free memory was 59.3MB in the beginning and 41.7MB in the end (delta: 17.6MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 24.96ms. Allocated memory is still 83.9MB. Free memory was 41.7MB in the beginning and 40.6MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 48.11ms. Allocated memory is still 83.9MB. Free memory was 40.6MB in the beginning and 38.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 778.64ms. Allocated memory is still 83.9MB. Free memory was 38.6MB in the beginning and 41.2MB in the end (delta: -2.6MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Referee took 540.95ms. Allocated memory was 83.9MB in the beginning and 115.3MB in the end (delta: 31.5MB). Free memory was 41.2MB in the beginning and 71.2MB in the end (delta: -30.0MB). Peak memory consumption was 24.3MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-10-15 15:30:36,578 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 15:30:39,006 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-15 15:30:39,072 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Bitvector.epf [2024-10-15 15:30:39,075 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-15 15:30:39,076 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-15 15:30:39,092 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-15 15:30:39,094 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-15 15:30:39,094 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-15 15:30:39,095 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-15 15:30:39,096 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-15 15:30:39,097 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-15 15:30:39,097 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-15 15:30:39,097 INFO L153 SettingsManager]: * Use SBE=true [2024-10-15 15:30:39,098 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-15 15:30:39,099 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-15 15:30:39,099 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-15 15:30:39,099 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-15 15:30:39,100 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-15 15:30:39,100 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-15 15:30:39,103 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-15 15:30:39,103 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-15 15:30:39,104 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-10-15 15:30:39,104 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-10-15 15:30:39,104 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-15 15:30:39,105 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-10-15 15:30:39,105 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-15 15:30:39,105 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-15 15:30:39,105 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-15 15:30:39,105 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-15 15:30:39,106 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-15 15:30:39,106 INFO L153 SettingsManager]: * Future-live optimization=false [2024-10-15 15:30:39,106 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-15 15:30:39,106 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-15 15:30:39,107 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None Applying setting for plugin de.uni_freiburg.informatik.ultimate.boogie.procedureinliner: Inline calls to implemented procedures -> NEVER [2024-10-15 15:30:39,399 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-15 15:30:39,422 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-15 15:30:39,424 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-15 15:30:39,425 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-10-15 15:30:39,426 INFO L274 PluginConnector]: Witness Parser initialized [2024-10-15 15:30:39,427 INFO L431 ainManager$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+lhb-reducer.yml/witness-2.1.yml [2024-10-15 15:30:39,477 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-15 15:30:39,478 INFO L274 PluginConnector]: CDTParser initialized [2024-10-15 15:30:39,478 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/loop-crafted/simple_array_index_value_4.i.v+lhb-reducer.c [2024-10-15 15:30:40,983 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-15 15:30:41,176 INFO L384 CDTParser]: Found 1 translation units. [2024-10-15 15:30:41,177 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-crafted/simple_array_index_value_4.i.v+lhb-reducer.c [2024-10-15 15:30:41,184 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/7c11ada90/9fb240fcaf62402487e98d85a074a72a/FLAG838c7b628 [2024-10-15 15:30:41,576 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/7c11ada90/9fb240fcaf62402487e98d85a074a72a [2024-10-15 15:30:41,580 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-15 15:30:41,581 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-10-15 15:30:41,582 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-15 15:30:41,582 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-15 15:30:41,591 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-15 15:30:41,592 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" (1/2) ... [2024-10-15 15:30:41,598 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1e2d69b0 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 15.10 03:30:41, skipping insertion in model container [2024-10-15 15:30:41,598 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" (1/2) ... [2024-10-15 15:30:41,599 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@7c1c2e66 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 15.10 03:30:41, skipping insertion in model container [2024-10-15 15:30:41,600 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 03:30:41" (2/2) ... [2024-10-15 15:30:41,600 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1e2d69b0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:30:41, skipping insertion in model container [2024-10-15 15:30:41,600 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 03:30:41" (2/2) ... [2024-10-15 15:30:41,619 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-10-15 15:30:41,619 INFO L1541 ArrayList]: Location invariant before [L50-L143] ((((long long) main__index1 + 1) <= main__index2) && (main__index2 <= 99999)) [2024-10-15 15:30:41,619 INFO L1541 ArrayList]: Loop invariant at [L20-L23] ((__tmp_155_0 == \old(__tmp_155_0)) && (main__loop_entered == 0)) [2024-10-15 15:30:41,619 INFO L1541 ArrayList]: Location invariant before [L64-L97] 0 [2024-10-15 15:30:41,620 INFO L1541 ArrayList]: Location invariant before [L33-L156] 0 [2024-10-15 15:30:41,620 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 15:30:41,620 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 15:30:41,620 INFO L1541 ArrayList]: Location invariant before [L104-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 15:30:41,620 INFO L1541 ArrayList]: Location invariant before [L30-L189] (((((long long) main__index2 + 1) % 4294967296) <= 99999) && ((((4294967295 + main__index1) % 4294967296) + 1) <= (((long long) main__index2 + 1) % 4294967296))) [2024-10-15 15:30:41,620 INFO L1541 ArrayList]: Function contract at [L14]: requires null, ensures ((__return_main == \old(__return_main)) && (__return_136 == \old(__return_136))) [2024-10-15 15:30:41,638 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-15 15:30:41,795 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+lhb-reducer.c[1215,1228] [2024-10-15 15:30:41,804 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+lhb-reducer.c[1969,1982] [2024-10-15 15:30:41,809 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+lhb-reducer.c[2490,2503] [2024-10-15 15:30:41,814 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+lhb-reducer.c[3282,3295] [2024-10-15 15:30:41,816 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-15 15:30:41,828 INFO L200 MainTranslator]: Completed pre-run Start Parsing Global Start Parsing Local [2024-10-15 15:30:41,874 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+lhb-reducer.c[1215,1228] [2024-10-15 15:30:41,880 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+lhb-reducer.c[1969,1982] Start Parsing Local Start Parsing Local [2024-10-15 15:30:41,899 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+lhb-reducer.c[2490,2503] Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local [2024-10-15 15:30:41,915 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+lhb-reducer.c[3282,3295] Start Parsing Local [2024-10-15 15:30:41,924 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-15 15:30:41,938 INFO L204 MainTranslator]: Completed translation [2024-10-15 15:30:41,938 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:30:41 WrapperNode [2024-10-15 15:30:41,938 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-15 15:30:41,939 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-15 15:30:41,939 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-15 15:30:41,940 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-15 15:30:41,945 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:30:41" (1/1) ... [2024-10-15 15:30:41,952 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:30:41" (1/1) ... [2024-10-15 15:30:41,957 INFO L138 Inliner]: procedures = 17, calls = 26, calls flagged for inlining = 0, calls inlined = 0, statements flattened = 0 [2024-10-15 15:30:41,958 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-15 15:30:41,958 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-15 15:30:41,958 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-15 15:30:41,959 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-15 15:30:41,966 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:30:41" (1/1) ... [2024-10-15 15:30:41,967 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:30:41" (1/1) ... [2024-10-15 15:30:41,975 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:30:41" (1/1) ... [2024-10-15 15:30:41,988 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 15:30:41,988 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:30:41" (1/1) ... [2024-10-15 15:30:41,988 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:30:41" (1/1) ... [2024-10-15 15:30:42,000 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:30:41" (1/1) ... [2024-10-15 15:30:42,009 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:30:41" (1/1) ... [2024-10-15 15:30:42,011 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:30:41" (1/1) ... [2024-10-15 15:30:42,015 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:30:41" (1/1) ... [2024-10-15 15:30:42,017 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-15 15:30:42,022 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-15 15:30:42,022 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-15 15:30:42,022 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-15 15:30:42,023 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:30:41" (1/1) ... [2024-10-15 15:30:42,029 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-15 15:30:42,036 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-10-15 15:30:42,059 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 15:30:42,064 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 15:30:42,104 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-15 15:30:42,104 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-10-15 15:30:42,104 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-10-15 15:30:42,104 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-10-15 15:30:42,104 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-10-15 15:30:42,104 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-10-15 15:30:42,104 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-10-15 15:30:42,105 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2024-10-15 15:30:42,105 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-15 15:30:42,105 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-15 15:30:42,105 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-10-15 15:30:42,105 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2024-10-15 15:30:42,172 INFO L238 CfgBuilder]: Building ICFG [2024-10-15 15:30:42,174 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-15 15:30:42,469 INFO L287 CfgBuilder]: Performing block encoding [2024-10-15 15:30:42,553 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-15 15:30:42,554 INFO L314 CfgBuilder]: Removed 1 assume(true) statements. [2024-10-15 15:30:42,554 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 03:30:42 BoogieIcfgContainer [2024-10-15 15:30:42,555 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-15 15:30:42,556 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-10-15 15:30:42,556 INFO L270 PluginConnector]: Initializing Referee... [2024-10-15 15:30:42,557 INFO L274 PluginConnector]: Referee initialized [2024-10-15 15:30:42,558 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" (1/4) ... [2024-10-15 15:30:42,561 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@2faedde6 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 15.10 03:30:42, skipping insertion in model container [2024-10-15 15:30:42,561 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 15.10 03:30:41" (2/4) ... [2024-10-15 15:30:42,562 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@2faedde6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 15.10 03:30:42, skipping insertion in model container [2024-10-15 15:30:42,562 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:30:41" (3/4) ... [2024-10-15 15:30:42,562 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@2faedde6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 15.10 03:30:42, skipping insertion in model container [2024-10-15 15:30:42,563 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 03:30:42" (4/4) ... [2024-10-15 15:30:42,564 INFO L79 RefereeObserver]: Analyzing ICFG simple_array_index_value_4.i.v+lhb-reducer.c [2024-10-15 15:30:42,566 INFO L113 InvariantChecker]: Found 1 loops. [2024-10-15 15:30:42,567 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L20-4 to ERROR_LOC mainErr2ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 9 edges. [2024-10-15 15:30:42,572 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L20-4 to ERROR_LOC mainErr9ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 42 edges. [2024-10-15 15:30:42,573 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L20-4 to ERROR_LOC mainErr3ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 11 edges. [2024-10-15 15:30:42,573 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L20-4 to ERROR_LOC mainErr5ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 18 edges. [2024-10-15 15:30:42,573 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L20-4 to ERROR_LOC mainErr6ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 32 edges. [2024-10-15 15:30:42,573 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L20-4 to ERROR_LOC mainErr1ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 7 edges. [2024-10-15 15:30:42,577 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L20-4 to ERROR_LOC mainErr11ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 12 edges. [2024-10-15 15:30:42,577 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 15:30:42,577 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 15:30:42,577 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L20-4 to ERROR_LOC mainErr8ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 33 edges. [2024-10-15 15:30:42,578 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L20-4 to ERROR_LOC mainErr7ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 32 edges. [2024-10-15 15:30:42,578 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L20-4 to ERROR_LOC mainErr12ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 58 edges. [2024-10-15 15:30:42,578 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L20-4 to ERROR_LOC mainErr4ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 18 edges. [2024-10-15 15:30:42,578 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L20-4 to ERROR_LOC mainErr10ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 43 edges. [2024-10-15 15:30:42,578 INFO L131 InvariantChecker]: Will check 12 loop-free subgraphs from loop head to error location, 1 loop-free subgraphs from loop head to loop head, 1 loop-free subgraphs from procedure entry to loop head [2024-10-15 15:30:42,653 INFO L309 BlockEncoder]: Initial Icfg 9 locations, 9 edges [2024-10-15 15:30:42,659 INFO L259 BlockEncoder]: Using Maximize final states [2024-10-15 15:30:42,660 INFO L266 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-10-15 15:30:42,660 INFO L272 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-10-15 15:30:42,662 INFO L167 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-10-15 15:30:42,667 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:30:42,707 INFO L101 BaseMinimizeStates]: Removed 21 edges and 7 locations by large block encoding [2024-10-15 15:30:42,708 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:30:42,708 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-10-15 15:30:42,708 INFO L233 BlockEncoder]: Using Create parallel compositions if possible [2024-10-15 15:30:42,708 INFO L68 ParallelComposer]: Creating parallel compositions [2024-10-15 15:30:42,717 INFO L309 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-10-15 15:30:42,803 INFO L309 BlockEncoder]: Initial Icfg 35 locations, 42 edges [2024-10-15 15:30:42,807 INFO L259 BlockEncoder]: Using Maximize final states [2024-10-15 15:30:42,807 INFO L266 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-10-15 15:30:42,807 INFO L272 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-10-15 15:30:42,808 INFO L167 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-10-15 15:30:42,808 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:30:43,146 INFO L101 BaseMinimizeStates]: Removed 143 edges and 31 locations by large block encoding [2024-10-15 15:30:43,147 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:30:43,148 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-10-15 15:30:43,148 INFO L233 BlockEncoder]: Using Create parallel compositions if possible [2024-10-15 15:30:43,148 INFO L68 ParallelComposer]: Creating parallel compositions [2024-10-15 15:30:43,164 INFO L309 BlockEncoder]: Encoded RCFG 4 locations, 8 edges [2024-10-15 15:30:43,165 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 15:30:43,168 INFO L158 Benchmark]: Toolchain (without parser) took 1586.81ms. Allocated memory was 75.5MB in the beginning and 102.8MB in the end (delta: 27.3MB). Free memory was 49.8MB in the beginning and 64.3MB in the end (delta: -14.6MB). Peak memory consumption was 32.8MB. Max. memory is 16.1GB. [2024-10-15 15:30:43,169 INFO L158 Benchmark]: Witness Parser took 0.18ms. Allocated memory is still 50.3MB. Free memory is still 32.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-10-15 15:30:43,169 INFO L158 Benchmark]: CDTParser took 0.36ms. Allocated memory is still 50.3MB. Free memory was 30.0MB in the beginning and 29.9MB in the end (delta: 63.1kB). There was no memory consumed. Max. memory is 16.1GB. [2024-10-15 15:30:43,170 INFO L158 Benchmark]: CACSL2BoogieTranslator took 356.53ms. Allocated memory is still 75.5MB. Free memory was 49.5MB in the beginning and 53.0MB in the end (delta: -3.5MB). Peak memory consumption was 18.6MB. Max. memory is 16.1GB. [2024-10-15 15:30:43,170 INFO L158 Benchmark]: Boogie Procedure Inliner took 18.55ms. Allocated memory is still 75.5MB. Free memory was 52.7MB in the beginning and 51.7MB in the end (delta: 978.2kB). There was no memory consumed. Max. memory is 16.1GB. [2024-10-15 15:30:43,170 INFO L158 Benchmark]: Boogie Preprocessor took 62.70ms. Allocated memory is still 75.5MB. Free memory was 51.7MB in the beginning and 49.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-10-15 15:30:43,171 INFO L158 Benchmark]: RCFGBuilder took 533.87ms. Allocated memory is still 75.5MB. Free memory was 49.3MB in the beginning and 50.0MB in the end (delta: -708.4kB). Peak memory consumption was 20.6MB. Max. memory is 16.1GB. [2024-10-15 15:30:43,171 INFO L158 Benchmark]: Referee took 611.20ms. Allocated memory was 75.5MB in the beginning and 102.8MB in the end (delta: 27.3MB). Free memory was 49.6MB in the beginning and 64.3MB in the end (delta: -14.7MB). Peak memory consumption was 33.4MB. Max. memory is 16.1GB. [2024-10-15 15:30:43,173 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 0.18ms. Allocated memory is still 50.3MB. Free memory is still 32.2MB. There was no memory consumed. Max. memory is 16.1GB. * CDTParser took 0.36ms. Allocated memory is still 50.3MB. Free memory was 30.0MB in the beginning and 29.9MB in the end (delta: 63.1kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 356.53ms. Allocated memory is still 75.5MB. Free memory was 49.5MB in the beginning and 53.0MB in the end (delta: -3.5MB). Peak memory consumption was 18.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 18.55ms. Allocated memory is still 75.5MB. Free memory was 52.7MB in the beginning and 51.7MB in the end (delta: 978.2kB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 62.70ms. Allocated memory is still 75.5MB. Free memory was 51.7MB in the beginning and 49.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 533.87ms. Allocated memory is still 75.5MB. Free memory was 49.3MB in the beginning and 50.0MB in the end (delta: -708.4kB). Peak memory consumption was 20.6MB. Max. memory is 16.1GB. * Referee took 611.20ms. Allocated memory was 75.5MB in the beginning and 102.8MB in the end (delta: 27.3MB). Free memory was 49.6MB in the beginning and 64.3MB in the end (delta: -14.7MB). Peak memory consumption was 33.4MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-10-15 15:30:43,196 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...