This is Ultimate 0.2.5-wip.dk.contract-modifies-e378df2-m [2024-10-15 15:31:02,912 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-15 15:31:03,000 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Default.epf [2024-10-15 15:31:03,006 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-15 15:31:03,007 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-15 15:31:03,032 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-15 15:31:03,032 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-15 15:31:03,033 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-15 15:31:03,033 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-15 15:31:03,034 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-15 15:31:03,034 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-15 15:31:03,034 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-15 15:31:03,035 INFO L153 SettingsManager]: * Use SBE=true [2024-10-15 15:31:03,035 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-15 15:31:03,036 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-15 15:31:03,036 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-15 15:31:03,036 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-15 15:31:03,037 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-15 15:31:03,037 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-15 15:31:03,037 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-15 15:31:03,037 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-15 15:31:03,038 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-15 15:31:03,038 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-15 15:31:03,039 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-15 15:31:03,039 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-15 15:31:03,039 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-15 15:31:03,039 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-15 15:31:03,040 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-15 15:31:03,040 INFO L153 SettingsManager]: * Future-live optimization=false [2024-10-15 15:31:03,040 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-15 15:31:03,040 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-15 15:31:03,041 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None Applying setting for plugin de.uni_freiburg.informatik.ultimate.boogie.procedureinliner: Inline calls to implemented procedures -> NEVER [2024-10-15 15:31:03,372 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-15 15:31:03,398 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-15 15:31:03,401 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-15 15:31:03,402 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-15 15:31:03,403 INFO L274 PluginConnector]: CDTParser initialized [2024-10-15 15:31:03,405 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/loop-lit/jm2006.c.i.v+cfa-reducer.c [2024-10-15 15:31:04,981 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-15 15:31:05,181 INFO L384 CDTParser]: Found 1 translation units. [2024-10-15 15:31:05,182 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-lit/jm2006.c.i.v+cfa-reducer.c [2024-10-15 15:31:05,191 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/15419c91e/a2481811bda7450481a05797d69c17a5/FLAG61d407372 [2024-10-15 15:31:05,208 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/15419c91e/a2481811bda7450481a05797d69c17a5 [2024-10-15 15:31:05,211 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-10-15 15:31:05,212 INFO L274 PluginConnector]: Witness Parser initialized [2024-10-15 15:31:05,214 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/automizer-verification-files/SV-COMP24_unreach-call/jm2006.c.i.v+cfa-reducer.yml/witness-2.1.yml [2024-10-15 15:31:05,268 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-15 15:31:05,269 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-10-15 15:31:05,272 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-15 15:31:05,272 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-15 15:31:05,276 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-15 15:31:05,277 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 03:31:05" (1/2) ... [2024-10-15 15:31:05,294 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@335a61f8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:31:05, skipping insertion in model container [2024-10-15 15:31:05,294 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 03:31:05" (1/2) ... [2024-10-15 15:31:05,295 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@6c1ebd66 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:31:05, skipping insertion in model container [2024-10-15 15:31:05,295 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 03:31:05" (2/2) ... [2024-10-15 15:31:05,296 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@335a61f8 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 15.10 03:31:05, skipping insertion in model container [2024-10-15 15:31:05,296 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 03:31:05" (2/2) ... [2024-10-15 15:31:05,309 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-10-15 15:31:05,310 INFO L1541 ArrayList]: Location invariant before [L34-L67] ((\old(__return_72) == __return_72) && (((long long) main__j + main__x) == ((long long) main__i + main__y))) [2024-10-15 15:31:05,310 INFO L1541 ArrayList]: Function contract at [L13]: requires null, ensures (__return_main == \old(__return_main)) [2024-10-15 15:31:05,331 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-15 15:31:05,524 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-lit/jm2006.c.i.v+cfa-reducer.c[1110,1123] [2024-10-15 15:31:05,529 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-15 15:31:05,540 INFO L200 MainTranslator]: Completed pre-run Start Parsing Global [2024-10-15 15:31:05,580 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-lit/jm2006.c.i.v+cfa-reducer.c[1110,1123] Start Parsing Local [2024-10-15 15:31:05,587 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-15 15:31:05,603 INFO L204 MainTranslator]: Completed translation [2024-10-15 15:31:05,604 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 15.10 03:31:05 WrapperNode [2024-10-15 15:31:05,604 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-15 15:31:05,605 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-15 15:31:05,605 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-15 15:31:05,606 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-15 15:31:05,612 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 03:31:05" (1/1) ... [2024-10-15 15:31:05,619 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 03:31:05" (1/1) ... [2024-10-15 15:31:05,624 INFO L138 Inliner]: procedures = 14, calls = 7, calls flagged for inlining = 0, calls inlined = 0, statements flattened = 0 [2024-10-15 15:31:05,625 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-15 15:31:05,626 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-15 15:31:05,626 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-15 15:31:05,626 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-15 15:31:05,635 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 03:31:05" (1/1) ... [2024-10-15 15:31:05,636 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 03:31:05" (1/1) ... [2024-10-15 15:31:05,636 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 03:31:05" (1/1) ... [2024-10-15 15:31:05,644 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 15:31:05,647 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 03:31:05" (1/1) ... [2024-10-15 15:31:05,648 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 03:31:05" (1/1) ... [2024-10-15 15:31:05,651 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 03:31:05" (1/1) ... [2024-10-15 15:31:05,655 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 03:31:05" (1/1) ... [2024-10-15 15:31:05,656 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 03:31:05" (1/1) ... [2024-10-15 15:31:05,657 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 03:31:05" (1/1) ... [2024-10-15 15:31:05,663 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-15 15:31:05,663 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-15 15:31:05,664 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-15 15:31:05,664 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-15 15:31:05,664 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 03:31:05" (1/1) ... [2024-10-15 15:31:05,676 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-15 15:31:05,684 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-10-15 15:31:05,700 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 15:31:05,703 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 15:31:05,749 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-15 15:31:05,749 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-10-15 15:31:05,749 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-10-15 15:31:05,750 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-10-15 15:31:05,750 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-10-15 15:31:05,750 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-10-15 15:31:05,750 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-15 15:31:05,750 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-15 15:31:05,811 INFO L238 CfgBuilder]: Building ICFG [2024-10-15 15:31:05,813 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-15 15:31:05,933 INFO L287 CfgBuilder]: Performing block encoding [2024-10-15 15:31:05,958 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-15 15:31:05,960 INFO L314 CfgBuilder]: Removed 0 assume(true) statements. [2024-10-15 15:31:05,961 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 03:31:05 BoogieIcfgContainer [2024-10-15 15:31:05,961 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-15 15:31:05,962 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-10-15 15:31:05,962 INFO L270 PluginConnector]: Initializing Referee... [2024-10-15 15:31:05,963 INFO L274 PluginConnector]: Referee initialized [2024-10-15 15:31:05,963 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 15.10 03:31:05" (1/4) ... [2024-10-15 15:31:05,965 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@252854ff and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 15.10 03:31:05, skipping insertion in model container [2024-10-15 15:31:05,965 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 03:31:05" (2/4) ... [2024-10-15 15:31:05,965 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@252854ff and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 15.10 03:31:05, skipping insertion in model container [2024-10-15 15:31:05,965 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 03:31:05" (3/4) ... [2024-10-15 15:31:05,966 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@252854ff and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 15.10 03:31:05, skipping insertion in model container [2024-10-15 15:31:05,966 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 03:31:05" (4/4) ... [2024-10-15 15:31:05,968 INFO L79 RefereeObserver]: Analyzing ICFG jm2006.c.i.v+cfa-reducer.c [2024-10-15 15:31:05,971 INFO L113 InvariantChecker]: Found 0 loops. [2024-10-15 15:31:05,972 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr2ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 14 edges. [2024-10-15 15:31:05,973 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 6 edges. [2024-10-15 15:31:05,974 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr1ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 9 edges. [2024-10-15 15:31:05,976 INFO L131 InvariantChecker]: Will check 3 loop-free subgraphs from procedure entry to error location [2024-10-15 15:31:06,029 INFO L309 BlockEncoder]: Initial Icfg 10 locations, 14 edges [2024-10-15 15:31:06,031 INFO L259 BlockEncoder]: Using Maximize final states [2024-10-15 15:31:06,033 INFO L266 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-10-15 15:31:06,033 INFO L272 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-10-15 15:31:06,034 INFO L167 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-10-15 15:31:06,036 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:31:06,068 INFO L101 BaseMinimizeStates]: Removed 24 edges and 7 locations by large block encoding [2024-10-15 15:31:06,069 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:31:06,069 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-10-15 15:31:06,070 INFO L233 BlockEncoder]: Using Create parallel compositions if possible [2024-10-15 15:31:06,070 INFO L68 ParallelComposer]: Creating parallel compositions [2024-10-15 15:31:06,082 INFO L309 BlockEncoder]: Encoded RCFG 3 locations, 4 edges [2024-10-15 15:31:06,083 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 15:31:06,089 INFO L158 Benchmark]: Toolchain (without parser) took 818.08ms. Allocated memory was 58.7MB in the beginning and 73.4MB in the end (delta: 14.7MB). Free memory was 24.4MB in the beginning and 51.6MB in the end (delta: -27.3MB). Peak memory consumption was 5.4MB. Max. memory is 16.1GB. [2024-10-15 15:31:06,089 INFO L158 Benchmark]: CDTParser took 0.21ms. Allocated memory is still 46.1MB. Free memory was 26.0MB in the beginning and 25.9MB in the end (delta: 52.4kB). There was no memory consumed. Max. memory is 16.1GB. [2024-10-15 15:31:06,090 INFO L158 Benchmark]: Witness Parser took 0.18ms. Allocated memory is still 58.7MB. Free memory is still 26.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-10-15 15:31:06,091 INFO L158 Benchmark]: CACSL2BoogieTranslator took 332.69ms. Allocated memory is still 58.7MB. Free memory was 24.2MB in the beginning and 25.6MB in the end (delta: -1.4MB). Peak memory consumption was 3.2MB. Max. memory is 16.1GB. [2024-10-15 15:31:06,092 INFO L158 Benchmark]: Boogie Procedure Inliner took 19.53ms. Allocated memory is still 58.7MB. Free memory was 25.6MB in the beginning and 24.5MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-10-15 15:31:06,093 INFO L158 Benchmark]: Boogie Preprocessor took 36.55ms. Allocated memory is still 58.7MB. Free memory was 24.5MB in the beginning and 23.1MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. [2024-10-15 15:31:06,094 INFO L158 Benchmark]: RCFGBuilder took 297.77ms. Allocated memory is still 58.7MB. Free memory was 22.9MB in the beginning and 27.9MB in the end (delta: -5.0MB). Peak memory consumption was 2.8MB. Max. memory is 16.1GB. [2024-10-15 15:31:06,094 INFO L158 Benchmark]: Referee took 124.93ms. Allocated memory was 58.7MB in the beginning and 73.4MB in the end (delta: 14.7MB). Free memory was 27.9MB in the beginning and 51.6MB in the end (delta: -23.7MB). Peak memory consumption was 7.9MB. Max. memory is 16.1GB. [2024-10-15 15:31:06,100 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 0.21ms. Allocated memory is still 46.1MB. Free memory was 26.0MB in the beginning and 25.9MB in the end (delta: 52.4kB). There was no memory consumed. Max. memory is 16.1GB. * Witness Parser took 0.18ms. Allocated memory is still 58.7MB. Free memory is still 26.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 332.69ms. Allocated memory is still 58.7MB. Free memory was 24.2MB in the beginning and 25.6MB in the end (delta: -1.4MB). Peak memory consumption was 3.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 19.53ms. Allocated memory is still 58.7MB. Free memory was 25.6MB in the beginning and 24.5MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 36.55ms. Allocated memory is still 58.7MB. Free memory was 24.5MB in the beginning and 23.1MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 297.77ms. Allocated memory is still 58.7MB. Free memory was 22.9MB in the beginning and 27.9MB in the end (delta: -5.0MB). Peak memory consumption was 2.8MB. Max. memory is 16.1GB. * Referee took 124.93ms. Allocated memory was 58.7MB in the beginning and 73.4MB in the end (delta: 14.7MB). Free memory was 27.9MB in the beginning and 51.6MB in the end (delta: -23.7MB). Peak memory consumption was 7.9MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-10-15 15:31:06,130 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 15:31:08,181 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-15 15:31:08,259 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Bitvector.epf [2024-10-15 15:31:08,265 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-15 15:31:08,265 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-15 15:31:08,296 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-15 15:31:08,296 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-15 15:31:08,297 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-15 15:31:08,298 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-15 15:31:08,299 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-15 15:31:08,299 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-15 15:31:08,300 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-15 15:31:08,300 INFO L153 SettingsManager]: * Use SBE=true [2024-10-15 15:31:08,302 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-15 15:31:08,302 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-15 15:31:08,303 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-15 15:31:08,303 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-15 15:31:08,303 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-15 15:31:08,303 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-15 15:31:08,304 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-15 15:31:08,304 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-15 15:31:08,309 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-10-15 15:31:08,309 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-10-15 15:31:08,309 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-15 15:31:08,309 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-10-15 15:31:08,310 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-15 15:31:08,310 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-15 15:31:08,310 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-15 15:31:08,310 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-15 15:31:08,311 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-15 15:31:08,311 INFO L153 SettingsManager]: * Future-live optimization=false [2024-10-15 15:31:08,311 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-15 15:31:08,311 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-15 15:31:08,312 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None Applying setting for plugin de.uni_freiburg.informatik.ultimate.boogie.procedureinliner: Inline calls to implemented procedures -> NEVER [2024-10-15 15:31:08,662 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-15 15:31:08,680 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-15 15:31:08,684 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-15 15:31:08,685 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-10-15 15:31:08,686 INFO L274 PluginConnector]: Witness Parser initialized [2024-10-15 15:31:08,687 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/automizer-verification-files/SV-COMP24_unreach-call/jm2006.c.i.v+cfa-reducer.yml/witness-2.1.yml [2024-10-15 15:31:08,737 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-15 15:31:08,738 INFO L274 PluginConnector]: CDTParser initialized [2024-10-15 15:31:08,738 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/loop-lit/jm2006.c.i.v+cfa-reducer.c [2024-10-15 15:31:10,352 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-15 15:31:10,540 INFO L384 CDTParser]: Found 1 translation units. [2024-10-15 15:31:10,541 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-lit/jm2006.c.i.v+cfa-reducer.c [2024-10-15 15:31:10,546 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/5710dcaaf/25c17195982340449d836786a2f8c273/FLAG2edcab727 [2024-10-15 15:31:10,561 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/5710dcaaf/25c17195982340449d836786a2f8c273 [2024-10-15 15:31:10,561 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-15 15:31:10,562 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-10-15 15:31:10,564 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-15 15:31:10,564 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-15 15:31:10,569 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-15 15:31:10,570 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 03:31:08" (1/2) ... [2024-10-15 15:31:10,571 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1892a7aa and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 15.10 03:31:10, skipping insertion in model container [2024-10-15 15:31:10,571 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 03:31:08" (1/2) ... [2024-10-15 15:31:10,574 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@3cd0a89f and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 15.10 03:31:10, skipping insertion in model container [2024-10-15 15:31:10,575 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 03:31:10" (2/2) ... [2024-10-15 15:31:10,575 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1892a7aa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:31:10, skipping insertion in model container [2024-10-15 15:31:10,576 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 03:31:10" (2/2) ... [2024-10-15 15:31:10,585 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-10-15 15:31:10,586 INFO L1541 ArrayList]: Location invariant before [L34-L67] ((\old(__return_72) == __return_72) && (((long long) main__j + main__x) == ((long long) main__i + main__y))) [2024-10-15 15:31:10,588 INFO L1541 ArrayList]: Function contract at [L13]: requires null, ensures (__return_main == \old(__return_main)) [2024-10-15 15:31:10,607 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-15 15:31:10,798 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-lit/jm2006.c.i.v+cfa-reducer.c[1110,1123] [2024-10-15 15:31:10,804 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-15 15:31:10,817 INFO L200 MainTranslator]: Completed pre-run Start Parsing Global [2024-10-15 15:31:10,862 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-lit/jm2006.c.i.v+cfa-reducer.c[1110,1123] Start Parsing Local [2024-10-15 15:31:10,869 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-15 15:31:10,898 INFO L204 MainTranslator]: Completed translation [2024-10-15 15:31:10,899 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:31:10 WrapperNode [2024-10-15 15:31:10,899 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-15 15:31:10,900 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-15 15:31:10,900 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-15 15:31:10,901 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-15 15:31:10,908 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:31:10" (1/1) ... [2024-10-15 15:31:10,916 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:31:10" (1/1) ... [2024-10-15 15:31:10,922 INFO L138 Inliner]: procedures = 14, calls = 7, calls flagged for inlining = 0, calls inlined = 0, statements flattened = 0 [2024-10-15 15:31:10,923 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-15 15:31:10,924 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-15 15:31:10,924 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-15 15:31:10,924 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-15 15:31:10,934 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:31:10" (1/1) ... [2024-10-15 15:31:10,934 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:31:10" (1/1) ... [2024-10-15 15:31:10,938 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:31:10" (1/1) ... [2024-10-15 15:31:10,953 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 15:31:10,953 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:31:10" (1/1) ... [2024-10-15 15:31:10,954 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:31:10" (1/1) ... [2024-10-15 15:31:10,962 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:31:10" (1/1) ... [2024-10-15 15:31:10,964 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:31:10" (1/1) ... [2024-10-15 15:31:10,969 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:31:10" (1/1) ... [2024-10-15 15:31:10,970 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:31:10" (1/1) ... [2024-10-15 15:31:10,972 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-15 15:31:10,973 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-15 15:31:10,975 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-15 15:31:10,975 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-15 15:31:10,976 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:31:10" (1/1) ... [2024-10-15 15:31:10,981 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-15 15:31:10,989 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-10-15 15:31:11,005 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 15:31:11,011 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 15:31:11,060 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-15 15:31:11,060 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-10-15 15:31:11,061 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-10-15 15:31:11,061 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-10-15 15:31:11,061 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-10-15 15:31:11,061 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-10-15 15:31:11,061 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-15 15:31:11,062 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-15 15:31:11,133 INFO L238 CfgBuilder]: Building ICFG [2024-10-15 15:31:11,135 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-15 15:31:11,265 INFO L287 CfgBuilder]: Performing block encoding [2024-10-15 15:31:11,292 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-15 15:31:11,293 INFO L314 CfgBuilder]: Removed 0 assume(true) statements. [2024-10-15 15:31:11,293 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 03:31:11 BoogieIcfgContainer [2024-10-15 15:31:11,293 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-15 15:31:11,294 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-10-15 15:31:11,294 INFO L270 PluginConnector]: Initializing Referee... [2024-10-15 15:31:11,295 INFO L274 PluginConnector]: Referee initialized [2024-10-15 15:31:11,295 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 03:31:08" (1/4) ... [2024-10-15 15:31:11,296 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@16dc82bd and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 15.10 03:31:11, skipping insertion in model container [2024-10-15 15:31:11,296 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 15.10 03:31:10" (2/4) ... [2024-10-15 15:31:11,296 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@16dc82bd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 15.10 03:31:11, skipping insertion in model container [2024-10-15 15:31:11,296 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:31:10" (3/4) ... [2024-10-15 15:31:11,297 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@16dc82bd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 15.10 03:31:11, skipping insertion in model container [2024-10-15 15:31:11,297 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 03:31:11" (4/4) ... [2024-10-15 15:31:11,302 INFO L79 RefereeObserver]: Analyzing ICFG jm2006.c.i.v+cfa-reducer.c [2024-10-15 15:31:11,309 INFO L113 InvariantChecker]: Found 0 loops. [2024-10-15 15:31:11,310 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr2ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 14 edges. [2024-10-15 15:31:11,313 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 6 edges. [2024-10-15 15:31:11,313 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr1ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 9 edges. [2024-10-15 15:31:11,313 INFO L131 InvariantChecker]: Will check 3 loop-free subgraphs from procedure entry to error location [2024-10-15 15:31:11,361 INFO L309 BlockEncoder]: Initial Icfg 10 locations, 14 edges [2024-10-15 15:31:11,362 INFO L259 BlockEncoder]: Using Maximize final states [2024-10-15 15:31:11,363 INFO L266 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-10-15 15:31:11,363 INFO L272 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-10-15 15:31:11,364 INFO L167 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-10-15 15:31:11,366 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:31:11,390 INFO L101 BaseMinimizeStates]: Removed 24 edges and 7 locations by large block encoding [2024-10-15 15:31:11,391 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:31:11,391 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-10-15 15:31:11,392 INFO L233 BlockEncoder]: Using Create parallel compositions if possible [2024-10-15 15:31:11,392 INFO L68 ParallelComposer]: Creating parallel compositions [2024-10-15 15:31:11,396 INFO L309 BlockEncoder]: Encoded RCFG 3 locations, 4 edges [2024-10-15 15:31:11,397 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 15:31:11,406 INFO L158 Benchmark]: Toolchain (without parser) took 842.63ms. Allocated memory is still 90.2MB. Free memory was 60.4MB in the beginning and 46.7MB in the end (delta: 13.7MB). Peak memory consumption was 12.3MB. Max. memory is 16.1GB. [2024-10-15 15:31:11,406 INFO L158 Benchmark]: Witness Parser took 0.21ms. Allocated memory is still 60.8MB. Free memory was 42.0MB in the beginning and 42.0MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. [2024-10-15 15:31:11,407 INFO L158 Benchmark]: CDTParser took 0.38ms. Allocated memory is still 60.8MB. Free memory is still 40.0MB. There was no memory consumed. Max. memory is 16.1GB. [2024-10-15 15:31:11,408 INFO L158 Benchmark]: CACSL2BoogieTranslator took 335.59ms. Allocated memory is still 90.2MB. Free memory was 60.2MB in the beginning and 68.6MB in the end (delta: -8.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-10-15 15:31:11,409 INFO L158 Benchmark]: Boogie Procedure Inliner took 23.11ms. Allocated memory is still 90.2MB. Free memory was 68.6MB in the beginning and 67.6MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. [2024-10-15 15:31:11,410 INFO L158 Benchmark]: Boogie Preprocessor took 48.30ms. Allocated memory is still 90.2MB. Free memory was 67.6MB in the beginning and 66.1MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-10-15 15:31:11,411 INFO L158 Benchmark]: RCFGBuilder took 320.71ms. Allocated memory is still 90.2MB. Free memory was 66.1MB in the beginning and 53.5MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-10-15 15:31:11,412 INFO L158 Benchmark]: Referee took 109.93ms. Allocated memory is still 90.2MB. Free memory was 53.5MB in the beginning and 46.7MB in the end (delta: 6.8MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2024-10-15 15:31:11,414 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 0.21ms. Allocated memory is still 60.8MB. Free memory was 42.0MB in the beginning and 42.0MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. * CDTParser took 0.38ms. Allocated memory is still 60.8MB. Free memory is still 40.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 335.59ms. Allocated memory is still 90.2MB. Free memory was 60.2MB in the beginning and 68.6MB in the end (delta: -8.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 23.11ms. Allocated memory is still 90.2MB. Free memory was 68.6MB in the beginning and 67.6MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 48.30ms. Allocated memory is still 90.2MB. Free memory was 67.6MB in the beginning and 66.1MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 320.71ms. Allocated memory is still 90.2MB. Free memory was 66.1MB in the beginning and 53.5MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Referee took 109.93ms. Allocated memory is still 90.2MB. Free memory was 53.5MB in the beginning and 46.7MB in the end (delta: 6.8MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-10-15 15:31:11,444 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...