./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/loop-lit/jm2006.c.i.v+cfa-reducer.c --full-output --witness-type correctness_witness --validate ../results/automizer-verification-files/SV-COMP24_unreach-call/jm2006.c.i.v+cfa-reducer.yml/witness-2.1.yml --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 6908dde5 Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/bin/java -Dosgi.configuration.area=/storage/repos/certificate-witnesses-artifact/referee/data/config -Xmx15G -Xms4m -jar /storage/repos/certificate-witnesses-artifact/referee/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/certificate-witnesses-artifact/referee/data -tc /storage/repos/certificate-witnesses-artifact/referee/config/RefereeReachWitnessValidation.xml -i ../sv-benchmarks/c/loop-lit/jm2006.c.i.v+cfa-reducer.c ../results/automizer-verification-files/SV-COMP24_unreach-call/jm2006.c.i.v+cfa-reducer.yml/witness-2.1.yml -s /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Default.epf --cacsl2boogietranslator.entry.function main --traceabstraction.positions.where.we.compute.the.hoare.annotation None --- Real Ultimate output --- This is Ultimate 0.2.4-tmp.dk.referee-eval-6908dde-m [2024-09-25 00:27:25,995 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-25 00:27:26,082 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Default.epf [2024-09-25 00:27:26,087 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-25 00:27:26,087 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-25 00:27:26,127 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-25 00:27:26,128 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-25 00:27:26,128 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-25 00:27:26,129 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-25 00:27:26,130 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-25 00:27:26,130 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-25 00:27:26,130 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-25 00:27:26,131 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-25 00:27:26,131 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-25 00:27:26,132 INFO L153 SettingsManager]: * Use SBE=true [2024-09-25 00:27:26,132 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-25 00:27:26,133 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-25 00:27:26,133 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-25 00:27:26,133 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-09-25 00:27:26,134 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-25 00:27:26,134 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-25 00:27:26,135 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-25 00:27:26,138 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-25 00:27:26,138 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-25 00:27:26,139 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-25 00:27:26,139 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-25 00:27:26,139 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-25 00:27:26,139 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-25 00:27:26,140 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-25 00:27:26,140 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-25 00:27:26,140 INFO L153 SettingsManager]: * Future-live optimization=false [2024-09-25 00:27:26,140 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-25 00:27:26,141 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-25 00:27:26,141 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-25 00:27:26,145 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-25 00:27:26,145 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-25 00:27:26,145 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-25 00:27:26,145 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-09-25 00:27:26,146 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-09-25 00:27:26,146 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-25 00:27:26,146 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-25 00:27:26,147 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-25 00:27:26,147 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-25 00:27:26,147 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None [2024-09-25 00:27:26,412 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-25 00:27:26,447 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-25 00:27:26,451 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-25 00:27:26,452 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-25 00:27:26,453 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-25 00:27:26,455 INFO L431 ainManager$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 [2024-09-25 00:27:26,513 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-25 00:27:26,513 INFO L274 PluginConnector]: CDTParser initialized [2024-09-25 00:27:26,514 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/loop-lit/jm2006.c.i.v+cfa-reducer.c [2024-09-25 00:27:28,172 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-25 00:27:28,378 INFO L384 CDTParser]: Found 1 translation units. [2024-09-25 00:27:28,379 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-lit/jm2006.c.i.v+cfa-reducer.c [2024-09-25 00:27:28,386 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/009e16282/693d82334865464e84258cc790d1971b/FLAG7c2d4d14b [2024-09-25 00:27:28,402 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/009e16282/693d82334865464e84258cc790d1971b [2024-09-25 00:27:28,402 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-25 00:27:28,404 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-09-25 00:27:28,406 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-25 00:27:28,406 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-25 00:27:28,412 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-25 00:27:28,413 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 25.09 12:27:26" (1/2) ... [2024-09-25 00:27:28,414 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@69b28c5e and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 25.09 12:27:28, skipping insertion in model container [2024-09-25 00:27:28,415 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 25.09 12:27:26" (1/2) ... [2024-09-25 00:27:28,416 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@23903412 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 25.09 12:27:28, skipping insertion in model container [2024-09-25 00:27:28,416 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 12:27:28" (2/2) ... [2024-09-25 00:27:28,417 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@69b28c5e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:27:28, skipping insertion in model container [2024-09-25 00:27:28,417 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 12:27:28" (2/2) ... [2024-09-25 00:27:28,426 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-25 00:27:28,427 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))) [2024-09-25 00:27:28,445 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-25 00:27:28,627 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] [2024-09-25 00:27:28,640 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-25 00:27:28,663 INFO L200 MainTranslator]: Completed pre-run [2024-09-25 00:27:28,681 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 [2024-09-25 00:27:28,715 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-25 00:27:28,733 INFO L204 MainTranslator]: Completed translation [2024-09-25 00:27:28,734 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:27:28 WrapperNode [2024-09-25 00:27:28,735 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-25 00:27:28,736 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-25 00:27:28,736 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-25 00:27:28,736 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-25 00:27:28,751 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:27:28" (1/1) ... [2024-09-25 00:27:28,751 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:27:28" (1/1) ... [2024-09-25 00:27:28,759 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:27:28" (1/1) ... [2024-09-25 00:27:28,782 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-09-25 00:27:28,782 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:27:28" (1/1) ... [2024-09-25 00:27:28,783 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:27:28" (1/1) ... [2024-09-25 00:27:28,790 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:27:28" (1/1) ... [2024-09-25 00:27:28,794 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:27:28" (1/1) ... [2024-09-25 00:27:28,795 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:27:28" (1/1) ... [2024-09-25 00:27:28,800 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:27:28" (1/1) ... [2024-09-25 00:27:28,802 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-25 00:27:28,807 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-25 00:27:28,807 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-25 00:27:28,807 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-25 00:27:28,808 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:27:28" (1/1) ... [2024-09-25 00:27:28,814 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-25 00:27:28,822 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-09-25 00:27:28,837 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) [2024-09-25 00:27:28,839 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 [2024-09-25 00:27:28,879 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-09-25 00:27:28,879 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-25 00:27:28,879 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-09-25 00:27:28,879 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-09-25 00:27:28,879 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-09-25 00:27:28,880 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-09-25 00:27:28,880 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-09-25 00:27:28,880 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-09-25 00:27:28,880 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-25 00:27:28,880 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-09-25 00:27:28,880 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-09-25 00:27:28,880 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2024-09-25 00:27:28,881 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-09-25 00:27:28,881 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-09-25 00:27:28,881 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-09-25 00:27:28,881 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-25 00:27:28,881 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-09-25 00:27:28,881 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-09-25 00:27:28,881 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-09-25 00:27:28,946 INFO L241 CfgBuilder]: Building ICFG [2024-09-25 00:27:28,949 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-25 00:27:29,076 INFO L290 CfgBuilder]: Performing block encoding [2024-09-25 00:27:29,108 INFO L312 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-25 00:27:29,108 INFO L317 CfgBuilder]: Removed 0 assume(true) statements. [2024-09-25 00:27:29,109 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 12:27:29 BoogieIcfgContainer [2024-09-25 00:27:29,109 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-25 00:27:29,110 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-09-25 00:27:29,111 INFO L270 PluginConnector]: Initializing Referee... [2024-09-25 00:27:29,112 INFO L274 PluginConnector]: Referee initialized [2024-09-25 00:27:29,112 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 25.09 12:27:26" (1/4) ... [2024-09-25 00:27:29,112 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@31c27b40 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 25.09 12:27:29, skipping insertion in model container [2024-09-25 00:27:29,113 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 25.09 12:27:28" (2/4) ... [2024-09-25 00:27:29,113 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@31c27b40 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 25.09 12:27:29, skipping insertion in model container [2024-09-25 00:27:29,113 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:27:28" (3/4) ... [2024-09-25 00:27:29,113 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@31c27b40 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 25.09 12:27:29, skipping insertion in model container [2024-09-25 00:27:29,113 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 12:27:29" (4/4) ... [2024-09-25 00:27:29,115 INFO L79 RefereeObserver]: Analyzing ICFG jm2006.c.i.v+cfa-reducer.c [2024-09-25 00:27:29,119 INFO L113 InvariantChecker]: Found 0 loops. [2024-09-25 00:27:29,120 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 6 edges. [2024-09-25 00:27:29,121 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr1ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 9 edges. [2024-09-25 00:27:29,121 INFO L131 InvariantChecker]: Will check 2 loop-free subgraphs from procedure entry to error location [2024-09-25 00:27:29,159 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 6 edges [2024-09-25 00:27:29,160 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 00:27:29,161 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 00:27:29,161 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 00:27:29,164 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 00:27:29,166 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:27:29,200 INFO L101 BaseMinimizeStates]: Removed 8 edges and 3 locations by large block encoding [2024-09-25 00:27:29,202 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:27:29,203 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 00:27:29,203 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 00:27:29,203 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 00:27:29,204 INFO L314 BlockEncoder]: Encoded RCFG 3 locations, 4 edges [2024-09-25 00:27:29,205 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:169) 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) [2024-09-25 00:27:29,212 INFO L158 Benchmark]: Toolchain (without parser) took 807.04ms. Allocated memory is still 174.1MB. Free memory was 116.1MB in the beginning and 83.0MB in the end (delta: 33.1MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. [2024-09-25 00:27:29,215 INFO L158 Benchmark]: Witness Parser took 0.29ms. Allocated memory is still 174.1MB. Free memory is still 137.9MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-25 00:27:29,216 INFO L158 Benchmark]: CDTParser took 0.18ms. Allocated memory is still 174.1MB. Free memory is still 135.8MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-25 00:27:29,216 INFO L158 Benchmark]: CACSL2BoogieTranslator took 329.42ms. Allocated memory is still 174.1MB. Free memory was 116.0MB in the beginning and 102.6MB in the end (delta: 13.4MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-09-25 00:27:29,217 INFO L158 Benchmark]: Boogie Preprocessor took 69.89ms. Allocated memory is still 174.1MB. Free memory was 102.6MB in the beginning and 100.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-09-25 00:27:29,218 INFO L158 Benchmark]: RCFGBuilder took 303.11ms. Allocated memory is still 174.1MB. Free memory was 100.5MB in the beginning and 88.4MB in the end (delta: 12.2MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-09-25 00:27:29,219 INFO L158 Benchmark]: Referee took 99.48ms. Allocated memory is still 174.1MB. Free memory was 88.4MB in the beginning and 83.0MB in the end (delta: 5.4MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-09-25 00:27:29,223 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:169) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Witness Parser took 0.29ms. Allocated memory is still 174.1MB. Free memory is still 137.9MB. There was no memory consumed. Max. memory is 16.1GB. * CDTParser took 0.18ms. Allocated memory is still 174.1MB. Free memory is still 135.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 329.42ms. Allocated memory is still 174.1MB. Free memory was 116.0MB in the beginning and 102.6MB in the end (delta: 13.4MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Preprocessor took 69.89ms. Allocated memory is still 174.1MB. Free memory was 102.6MB in the beginning and 100.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 303.11ms. Allocated memory is still 174.1MB. Free memory was 100.5MB in the beginning and 88.4MB in the end (delta: 12.2MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Referee took 99.48ms. Allocated memory is still 174.1MB. Free memory was 88.4MB in the beginning and 83.0MB in the end (delta: 5.4MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-09-25 00:27:29,258 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... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/bin/java -Dosgi.configuration.area=/storage/repos/certificate-witnesses-artifact/referee/data/config -Xmx15G -Xms4m -jar /storage/repos/certificate-witnesses-artifact/referee/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/certificate-witnesses-artifact/referee/data -tc /storage/repos/certificate-witnesses-artifact/referee/config/RefereeReachWitnessValidation.xml -i ../sv-benchmarks/c/loop-lit/jm2006.c.i.v+cfa-reducer.c ../results/automizer-verification-files/SV-COMP24_unreach-call/jm2006.c.i.v+cfa-reducer.yml/witness-2.1.yml -s /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Bitvector.epf --cacsl2boogietranslator.entry.function main --traceabstraction.positions.where.we.compute.the.hoare.annotation None --- Real Ultimate output --- This is Ultimate 0.2.4-tmp.dk.referee-eval-6908dde-m [2024-09-25 00:27:31,701 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-25 00:27:31,787 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Bitvector.epf [2024-09-25 00:27:31,794 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-25 00:27:31,795 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-25 00:27:31,833 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-25 00:27:31,835 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-25 00:27:31,836 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-25 00:27:31,837 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-25 00:27:31,838 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-25 00:27:31,839 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-25 00:27:31,839 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-25 00:27:31,840 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-25 00:27:31,841 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-25 00:27:31,841 INFO L153 SettingsManager]: * Use SBE=true [2024-09-25 00:27:31,841 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-25 00:27:31,842 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-25 00:27:31,842 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-25 00:27:31,843 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-25 00:27:31,843 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-25 00:27:31,843 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-25 00:27:31,847 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-25 00:27:31,848 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-25 00:27:31,848 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-09-25 00:27:31,848 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-09-25 00:27:31,848 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-25 00:27:31,849 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-09-25 00:27:31,849 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-25 00:27:31,849 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-25 00:27:31,849 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-25 00:27:31,850 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-25 00:27:31,850 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-25 00:27:31,850 INFO L153 SettingsManager]: * Future-live optimization=false [2024-09-25 00:27:31,851 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-25 00:27:31,851 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-25 00:27:31,855 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-25 00:27:31,856 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-25 00:27:31,856 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-25 00:27:31,856 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-25 00:27:31,857 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-09-25 00:27:31,857 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-09-25 00:27:31,858 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-25 00:27:31,858 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-25 00:27:31,858 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-25 00:27:31,859 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-25 00:27:31,859 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2024-09-25 00:27:31,859 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None [2024-09-25 00:27:32,188 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-25 00:27:32,216 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-25 00:27:32,218 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-25 00:27:32,219 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-25 00:27:32,220 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-25 00:27:32,221 INFO L431 ainManager$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 [2024-09-25 00:27:32,270 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-25 00:27:32,271 INFO L274 PluginConnector]: CDTParser initialized [2024-09-25 00:27:32,271 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/loop-lit/jm2006.c.i.v+cfa-reducer.c [2024-09-25 00:27:34,017 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-25 00:27:34,238 INFO L384 CDTParser]: Found 1 translation units. [2024-09-25 00:27:34,238 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-lit/jm2006.c.i.v+cfa-reducer.c [2024-09-25 00:27:34,252 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/b01f59cea/0f09bffcf01843f1b28fecb3c265a185/FLAGa955cb821 [2024-09-25 00:27:34,273 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/b01f59cea/0f09bffcf01843f1b28fecb3c265a185 [2024-09-25 00:27:34,274 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-25 00:27:34,276 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-09-25 00:27:34,279 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-25 00:27:34,279 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-25 00:27:34,285 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-25 00:27:34,286 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 25.09 12:27:32" (1/2) ... [2024-09-25 00:27:34,290 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@669a7a59 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 25.09 12:27:34, skipping insertion in model container [2024-09-25 00:27:34,292 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 25.09 12:27:32" (1/2) ... [2024-09-25 00:27:34,295 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@1224dccd and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 25.09 12:27:34, skipping insertion in model container [2024-09-25 00:27:34,296 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 12:27:34" (2/2) ... [2024-09-25 00:27:34,297 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@669a7a59 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:27:34, skipping insertion in model container [2024-09-25 00:27:34,297 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 12:27:34" (2/2) ... [2024-09-25 00:27:34,307 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-25 00:27:34,308 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))) [2024-09-25 00:27:34,332 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-25 00:27:34,561 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] [2024-09-25 00:27:34,568 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-25 00:27:34,593 INFO L200 MainTranslator]: Completed pre-run [2024-09-25 00:27:34,616 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 [2024-09-25 00:27:34,655 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-25 00:27:34,673 INFO L204 MainTranslator]: Completed translation [2024-09-25 00:27:34,674 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:27:34 WrapperNode [2024-09-25 00:27:34,675 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-25 00:27:34,676 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-25 00:27:34,676 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-25 00:27:34,676 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-25 00:27:34,688 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:27:34" (1/1) ... [2024-09-25 00:27:34,689 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:27:34" (1/1) ... [2024-09-25 00:27:34,696 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:27:34" (1/1) ... [2024-09-25 00:27:34,714 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-09-25 00:27:34,714 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:27:34" (1/1) ... [2024-09-25 00:27:34,714 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:27:34" (1/1) ... [2024-09-25 00:27:34,724 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:27:34" (1/1) ... [2024-09-25 00:27:34,739 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:27:34" (1/1) ... [2024-09-25 00:27:34,740 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:27:34" (1/1) ... [2024-09-25 00:27:34,741 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:27:34" (1/1) ... [2024-09-25 00:27:34,750 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-25 00:27:34,752 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-25 00:27:34,753 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-25 00:27:34,753 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-25 00:27:34,754 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:27:34" (1/1) ... [2024-09-25 00:27:34,759 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-25 00:27:34,769 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-09-25 00:27:34,790 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) [2024-09-25 00:27:34,795 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 [2024-09-25 00:27:34,845 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-09-25 00:27:34,845 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-25 00:27:34,845 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-09-25 00:27:34,846 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-09-25 00:27:34,846 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-09-25 00:27:34,848 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-09-25 00:27:34,848 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-09-25 00:27:34,848 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-09-25 00:27:34,848 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-25 00:27:34,848 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-09-25 00:27:34,848 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-09-25 00:27:34,848 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2024-09-25 00:27:34,849 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-09-25 00:27:34,849 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-09-25 00:27:34,849 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-09-25 00:27:34,849 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-25 00:27:34,849 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#0 [2024-09-25 00:27:34,849 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#0 [2024-09-25 00:27:34,849 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-09-25 00:27:34,927 INFO L241 CfgBuilder]: Building ICFG [2024-09-25 00:27:34,930 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-25 00:27:35,114 INFO L290 CfgBuilder]: Performing block encoding [2024-09-25 00:27:35,157 INFO L312 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-25 00:27:35,158 INFO L317 CfgBuilder]: Removed 0 assume(true) statements. [2024-09-25 00:27:35,158 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 12:27:35 BoogieIcfgContainer [2024-09-25 00:27:35,159 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-25 00:27:35,159 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-09-25 00:27:35,159 INFO L270 PluginConnector]: Initializing Referee... [2024-09-25 00:27:35,160 INFO L274 PluginConnector]: Referee initialized [2024-09-25 00:27:35,161 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 25.09 12:27:32" (1/4) ... [2024-09-25 00:27:35,161 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@47af507 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 25.09 12:27:35, skipping insertion in model container [2024-09-25 00:27:35,161 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 25.09 12:27:34" (2/4) ... [2024-09-25 00:27:35,162 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@47af507 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 25.09 12:27:35, skipping insertion in model container [2024-09-25 00:27:35,162 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:27:34" (3/4) ... [2024-09-25 00:27:35,162 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@47af507 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 25.09 12:27:35, skipping insertion in model container [2024-09-25 00:27:35,162 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 12:27:35" (4/4) ... [2024-09-25 00:27:35,164 INFO L79 RefereeObserver]: Analyzing ICFG jm2006.c.i.v+cfa-reducer.c [2024-09-25 00:27:35,169 INFO L113 InvariantChecker]: Found 0 loops. [2024-09-25 00:27:35,170 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 6 edges. [2024-09-25 00:27:35,171 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr1ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 9 edges. [2024-09-25 00:27:35,171 INFO L131 InvariantChecker]: Will check 2 loop-free subgraphs from procedure entry to error location [2024-09-25 00:27:35,229 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 6 edges [2024-09-25 00:27:35,231 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 00:27:35,232 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 00:27:35,232 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 00:27:35,234 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 00:27:35,236 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:27:35,264 INFO L101 BaseMinimizeStates]: Removed 8 edges and 3 locations by large block encoding [2024-09-25 00:27:35,265 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:27:35,266 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 00:27:35,266 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 00:27:35,267 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 00:27:35,268 INFO L314 BlockEncoder]: Encoded RCFG 3 locations, 4 edges [2024-09-25 00:27:35,268 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:169) 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) [2024-09-25 00:27:35,273 INFO L158 Benchmark]: Toolchain (without parser) took 996.67ms. Allocated memory is still 88.1MB. Free memory was 59.2MB in the beginning and 47.6MB in the end (delta: 11.7MB). Peak memory consumption was 11.7MB. Max. memory is 16.1GB. [2024-09-25 00:27:35,273 INFO L158 Benchmark]: Witness Parser took 0.15ms. Allocated memory is still 65.0MB. Free memory was 44.0MB in the beginning and 43.9MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. [2024-09-25 00:27:35,274 INFO L158 Benchmark]: CDTParser took 0.11ms. Allocated memory is still 65.0MB. Free memory is still 42.0MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-25 00:27:35,274 INFO L158 Benchmark]: CACSL2BoogieTranslator took 396.12ms. Allocated memory is still 88.1MB. Free memory was 59.0MB in the beginning and 45.6MB in the end (delta: 13.4MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-09-25 00:27:35,275 INFO L158 Benchmark]: Boogie Preprocessor took 74.99ms. Allocated memory is still 88.1MB. Free memory was 45.6MB in the beginning and 67.2MB in the end (delta: -21.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-09-25 00:27:35,275 INFO L158 Benchmark]: RCFGBuilder took 407.21ms. Allocated memory is still 88.1MB. Free memory was 67.2MB in the beginning and 54.3MB in the end (delta: 12.9MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-09-25 00:27:35,276 INFO L158 Benchmark]: Referee took 111.93ms. Allocated memory is still 88.1MB. Free memory was 54.3MB in the beginning and 47.6MB in the end (delta: 6.7MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2024-09-25 00:27:35,279 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:169) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Witness Parser took 0.15ms. Allocated memory is still 65.0MB. Free memory was 44.0MB in the beginning and 43.9MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. * CDTParser took 0.11ms. Allocated memory is still 65.0MB. Free memory is still 42.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 396.12ms. Allocated memory is still 88.1MB. Free memory was 59.0MB in the beginning and 45.6MB in the end (delta: 13.4MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Preprocessor took 74.99ms. Allocated memory is still 88.1MB. Free memory was 45.6MB in the beginning and 67.2MB in the end (delta: -21.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 407.21ms. Allocated memory is still 88.1MB. Free memory was 67.2MB in the beginning and 54.3MB in the end (delta: 12.9MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Referee took 111.93ms. Allocated memory is still 88.1MB. Free memory was 54.3MB in the beginning and 47.6MB in the end (delta: 6.7MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-09-25 00:27:35,309 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... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: AssertionError: Either subgraph not acyclic or there is a bug