./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 fb1cb0b9 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-fb1cb0b-m [2024-09-25 11:46:08,052 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-25 11:46:08,101 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Default.epf [2024-09-25 11:46:08,106 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-25 11:46:08,107 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-25 11:46:08,133 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-25 11:46:08,133 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-25 11:46:08,133 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-25 11:46:08,134 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-25 11:46:08,134 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-25 11:46:08,134 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-25 11:46:08,134 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-25 11:46:08,135 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-25 11:46:08,135 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-25 11:46:08,135 INFO L153 SettingsManager]: * Use SBE=true [2024-09-25 11:46:08,136 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-25 11:46:08,136 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-25 11:46:08,136 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-25 11:46:08,138 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-09-25 11:46:08,138 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-25 11:46:08,139 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-25 11:46:08,140 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-25 11:46:08,140 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-25 11:46:08,140 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-25 11:46:08,141 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-25 11:46:08,141 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-25 11:46:08,141 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-25 11:46:08,141 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-25 11:46:08,141 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-25 11:46:08,142 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-25 11:46:08,142 INFO L153 SettingsManager]: * Future-live optimization=false [2024-09-25 11:46:08,142 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-25 11:46:08,142 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-25 11:46:08,143 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-25 11:46:08,143 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-25 11:46:08,143 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-25 11:46:08,143 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-25 11:46:08,144 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-09-25 11:46:08,144 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-09-25 11:46:08,144 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-25 11:46:08,144 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-25 11:46:08,145 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-25 11:46:08,145 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-25 11:46:08,145 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None [2024-09-25 11:46:08,320 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-25 11:46:08,346 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-25 11:46:08,348 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-25 11:46:08,349 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-25 11:46:08,353 INFO L274 PluginConnector]: CDTParser initialized [2024-09-25 11:46:08,354 INFO L431 ainManager$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 11:46:09,913 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-25 11:46:10,080 INFO L384 CDTParser]: Found 1 translation units. [2024-09-25 11:46:10,081 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-lit/jm2006.c.i.v+cfa-reducer.c [2024-09-25 11:46:10,089 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/ad36b33b0/6bdc485b264a4c2b9f05179de6925d05/FLAGdf97d79cc [2024-09-25 11:46:10,101 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/ad36b33b0/6bdc485b264a4c2b9f05179de6925d05 [2024-09-25 11:46:10,104 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-25 11:46:10,105 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-25 11:46:10,105 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/automizer-verification-files/SV-COMP24_unreach-call/jm2006.c.i.v+cfa-reducer.yml/witness-2.1.yml [2024-09-25 11:46:10,144 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-25 11:46:10,145 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-09-25 11:46:10,146 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-25 11:46:10,146 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-25 11:46:10,150 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-25 11:46:10,150 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 11:46:10" (1/2) ... [2024-09-25 11:46:10,151 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@20cc2ce5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 11:46:10, skipping insertion in model container [2024-09-25 11:46:10,151 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 11:46:10" (1/2) ... [2024-09-25 11:46:10,152 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@56954f23 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 11:46:10, skipping insertion in model container [2024-09-25 11:46:10,153 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 11:46:10" (2/2) ... [2024-09-25 11:46:10,153 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@20cc2ce5 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 25.09 11:46:10, skipping insertion in model container [2024-09-25 11:46:10,153 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 11:46:10" (2/2) ... [2024-09-25 11:46:10,158 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-25 11:46:10,159 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 11:46:10,159 INFO L1541 ArrayList]: Function contract at [L13]: requires null, ensures (__return_main == \old(__return_main)) [2024-09-25 11:46:10,172 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-25 11:46:10,296 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 11:46:10,301 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-25 11:46:10,308 INFO L200 MainTranslator]: Completed pre-run Start Parsing Global [2024-09-25 11:46:10,361 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 11:46:10,366 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-25 11:46:10,377 INFO L204 MainTranslator]: Completed translation [2024-09-25 11:46:10,377 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 25.09 11:46:10 WrapperNode [2024-09-25 11:46:10,377 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-25 11:46:10,378 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-25 11:46:10,378 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-25 11:46:10,378 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-25 11:46:10,399 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 25.09 11:46:10" (1/1) ... [2024-09-25 11:46:10,399 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 25.09 11:46:10" (1/1) ... [2024-09-25 11:46:10,406 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 25.09 11:46:10" (1/1) ... [2024-09-25 11:46:10,417 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 [2024-09-25 11:46:10,417 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 25.09 11:46:10" (1/1) ... [2024-09-25 11:46:10,417 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 25.09 11:46:10" (1/1) ... [2024-09-25 11:46:10,420 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 25.09 11:46:10" (1/1) ... [2024-09-25 11:46:10,421 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 25.09 11:46:10" (1/1) ... [2024-09-25 11:46:10,424 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 25.09 11:46:10" (1/1) ... [2024-09-25 11:46:10,425 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 25.09 11:46:10" (1/1) ... [2024-09-25 11:46:10,426 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-25 11:46:10,427 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-25 11:46:10,428 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-25 11:46:10,428 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-25 11:46:10,428 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 25.09 11:46:10" (1/1) ... [2024-09-25 11:46:10,432 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-25 11:46:10,438 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-09-25 11:46:10,451 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 11:46:10,453 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 11:46:10,483 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-09-25 11:46:10,483 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-25 11:46:10,483 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-09-25 11:46:10,483 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-09-25 11:46:10,484 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-09-25 11:46:10,484 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-09-25 11:46:10,484 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-09-25 11:46:10,484 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-09-25 11:46:10,484 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-25 11:46:10,484 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-09-25 11:46:10,484 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-09-25 11:46:10,484 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2024-09-25 11:46:10,485 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-09-25 11:46:10,485 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-09-25 11:46:10,485 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-09-25 11:46:10,485 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-25 11:46:10,485 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-09-25 11:46:10,485 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-09-25 11:46:10,485 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-09-25 11:46:10,534 INFO L241 CfgBuilder]: Building ICFG [2024-09-25 11:46:10,535 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-25 11:46:10,647 INFO L290 CfgBuilder]: Performing block encoding [2024-09-25 11:46:10,685 INFO L312 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-25 11:46:10,685 INFO L317 CfgBuilder]: Removed 0 assume(true) statements. [2024-09-25 11:46:10,686 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 11:46:10 BoogieIcfgContainer [2024-09-25 11:46:10,686 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-25 11:46:10,686 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-09-25 11:46:10,686 INFO L270 PluginConnector]: Initializing Referee... [2024-09-25 11:46:10,687 INFO L274 PluginConnector]: Referee initialized [2024-09-25 11:46:10,687 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 25.09 11:46:10" (1/4) ... [2024-09-25 11:46:10,687 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@11e72bb7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 25.09 11:46:10, skipping insertion in model container [2024-09-25 11:46:10,687 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 11:46:10" (2/4) ... [2024-09-25 11:46:10,688 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@11e72bb7 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 25.09 11:46:10, skipping insertion in model container [2024-09-25 11:46:10,688 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 25.09 11:46:10" (3/4) ... [2024-09-25 11:46:10,688 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@11e72bb7 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 25.09 11:46:10, skipping insertion in model container [2024-09-25 11:46:10,688 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 11:46:10" (4/4) ... [2024-09-25 11:46:10,689 INFO L79 RefereeObserver]: Analyzing ICFG jm2006.c.i.v+cfa-reducer.c [2024-09-25 11:46:10,699 INFO L113 InvariantChecker]: Found 0 loops. [2024-09-25 11:46:10,699 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr2ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 14 edges. [2024-09-25 11:46:10,700 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 6 edges. [2024-09-25 11:46:10,700 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr1ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 9 edges. [2024-09-25 11:46:10,700 INFO L131 InvariantChecker]: Will check 3 loop-free subgraphs from procedure entry to error location [2024-09-25 11:46:10,737 INFO L314 BlockEncoder]: Initial Icfg 10 locations, 14 edges [2024-09-25 11:46:10,738 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 11:46:10,739 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 11:46:10,739 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 11:46:10,740 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 11:46:10,741 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:46:10,762 INFO L101 BaseMinimizeStates]: Removed 24 edges and 7 locations by large block encoding [2024-09-25 11:46:10,763 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:46:10,763 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 11:46:10,763 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 11:46:10,764 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 11:46:10,770 INFO L314 BlockEncoder]: Encoded RCFG 3 locations, 4 edges [2024-09-25 11:46:10,770 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 11:46:10,778 INFO L158 Benchmark]: Toolchain (without parser) took 632.36ms. Allocated memory was 176.2MB in the beginning and 278.9MB in the end (delta: 102.8MB). Free memory was 100.4MB in the beginning and 229.9MB in the end (delta: -129.5MB). There was no memory consumed. Max. memory is 16.1GB. [2024-09-25 11:46:10,778 INFO L158 Benchmark]: CDTParser took 0.10ms. Allocated memory is still 176.2MB. Free memory is still 127.8MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-25 11:46:10,778 INFO L158 Benchmark]: Witness Parser took 1.39ms. Allocated memory is still 176.2MB. Free memory was 102.4MB in the beginning and 102.4MB in the end (delta: 2.6kB). There was no memory consumed. Max. memory is 16.1GB. [2024-09-25 11:46:10,779 INFO L158 Benchmark]: CACSL2BoogieTranslator took 231.64ms. Allocated memory is still 176.2MB. Free memory was 100.2MB in the beginning and 143.1MB in the end (delta: -42.9MB). Peak memory consumption was 17.3MB. Max. memory is 16.1GB. [2024-09-25 11:46:10,779 INFO L158 Benchmark]: Boogie Preprocessor took 48.31ms. Allocated memory was 176.2MB in the beginning and 278.9MB in the end (delta: 102.8MB). Free memory was 143.0MB in the beginning and 248.8MB in the end (delta: -105.8MB). Peak memory consumption was 2.9MB. Max. memory is 16.1GB. [2024-09-25 11:46:10,783 INFO L158 Benchmark]: RCFGBuilder took 258.69ms. Allocated memory is still 278.9MB. Free memory was 248.8MB in the beginning and 236.2MB in the end (delta: 12.6MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-09-25 11:46:10,784 INFO L158 Benchmark]: Referee took 90.17ms. Allocated memory is still 278.9MB. Free memory was 236.2MB in the beginning and 229.9MB in the end (delta: 6.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-09-25 11:46:10,786 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: * CDTParser took 0.10ms. Allocated memory is still 176.2MB. Free memory is still 127.8MB. There was no memory consumed. Max. memory is 16.1GB. * Witness Parser took 1.39ms. Allocated memory is still 176.2MB. Free memory was 102.4MB in the beginning and 102.4MB in the end (delta: 2.6kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 231.64ms. Allocated memory is still 176.2MB. Free memory was 100.2MB in the beginning and 143.1MB in the end (delta: -42.9MB). Peak memory consumption was 17.3MB. Max. memory is 16.1GB. * Boogie Preprocessor took 48.31ms. Allocated memory was 176.2MB in the beginning and 278.9MB in the end (delta: 102.8MB). Free memory was 143.0MB in the beginning and 248.8MB in the end (delta: -105.8MB). Peak memory consumption was 2.9MB. Max. memory is 16.1GB. * RCFGBuilder took 258.69ms. Allocated memory is still 278.9MB. Free memory was 248.8MB in the beginning and 236.2MB in the end (delta: 12.6MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Referee took 90.17ms. Allocated memory is still 278.9MB. Free memory was 236.2MB in the beginning and 229.9MB in the end (delta: 6.3MB). 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 11:46:10,815 INFO L540 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/referee/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- 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-fb1cb0b-m [2024-09-25 11:46:12,900 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-25 11:46:12,963 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Bitvector.epf [2024-09-25 11:46:12,969 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-25 11:46:12,970 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-25 11:46:13,000 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-25 11:46:13,003 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-25 11:46:13,003 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-25 11:46:13,004 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-25 11:46:13,004 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-25 11:46:13,004 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-25 11:46:13,005 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-25 11:46:13,005 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-25 11:46:13,005 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-25 11:46:13,005 INFO L153 SettingsManager]: * Use SBE=true [2024-09-25 11:46:13,006 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-25 11:46:13,006 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-25 11:46:13,006 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-25 11:46:13,009 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-25 11:46:13,010 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-25 11:46:13,010 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-25 11:46:13,010 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-25 11:46:13,011 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-25 11:46:13,011 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-09-25 11:46:13,011 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-09-25 11:46:13,011 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-25 11:46:13,011 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-09-25 11:46:13,012 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-25 11:46:13,014 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-25 11:46:13,015 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-25 11:46:13,015 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-25 11:46:13,015 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-25 11:46:13,015 INFO L153 SettingsManager]: * Future-live optimization=false [2024-09-25 11:46:13,015 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-25 11:46:13,015 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-25 11:46:13,015 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-25 11:46:13,016 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-25 11:46:13,016 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-25 11:46:13,016 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-25 11:46:13,016 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-09-25 11:46:13,016 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-09-25 11:46:13,017 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-25 11:46:13,017 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-25 11:46:13,017 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-25 11:46:13,017 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-25 11:46:13,017 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2024-09-25 11:46:13,017 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None [2024-09-25 11:46:13,269 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-25 11:46:13,292 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-25 11:46:13,294 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-25 11:46:13,295 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-25 11:46:13,296 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-25 11:46:13,298 INFO L431 ainManager$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 11:46:13,336 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-25 11:46:13,336 INFO L274 PluginConnector]: CDTParser initialized [2024-09-25 11:46:13,337 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/loop-lit/jm2006.c.i.v+cfa-reducer.c [2024-09-25 11:46:14,709 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-25 11:46:14,858 INFO L384 CDTParser]: Found 1 translation units. [2024-09-25 11:46:14,859 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-lit/jm2006.c.i.v+cfa-reducer.c [2024-09-25 11:46:14,866 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/7efd3798c/47bb633e4cd94257b5c50b55030eeffa/FLAG09efc3ecf [2024-09-25 11:46:15,277 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/7efd3798c/47bb633e4cd94257b5c50b55030eeffa [2024-09-25 11:46:15,277 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-25 11:46:15,278 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-09-25 11:46:15,279 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-25 11:46:15,279 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-25 11:46:15,283 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-25 11:46:15,284 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 11:46:13" (1/2) ... [2024-09-25 11:46:15,284 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2c6607c3 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 25.09 11:46:15, skipping insertion in model container [2024-09-25 11:46:15,284 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 11:46:13" (1/2) ... [2024-09-25 11:46:15,285 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@1827fe47 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 25.09 11:46:15, skipping insertion in model container [2024-09-25 11:46:15,286 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 11:46:15" (2/2) ... [2024-09-25 11:46:15,286 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2c6607c3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 11:46:15, skipping insertion in model container [2024-09-25 11:46:15,286 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 11:46:15" (2/2) ... [2024-09-25 11:46:15,297 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-25 11:46:15,300 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 11:46:15,300 INFO L1541 ArrayList]: Function contract at [L13]: requires null, ensures (__return_main == \old(__return_main)) [2024-09-25 11:46:15,325 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-25 11:46:15,501 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 11:46:15,512 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-25 11:46:15,529 INFO L200 MainTranslator]: Completed pre-run Start Parsing Global [2024-09-25 11:46:15,566 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 11:46:15,572 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-25 11:46:15,587 INFO L204 MainTranslator]: Completed translation [2024-09-25 11:46:15,588 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 11:46:15 WrapperNode [2024-09-25 11:46:15,589 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-25 11:46:15,589 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-25 11:46:15,589 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-25 11:46:15,590 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-25 11:46:15,599 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 11:46:15" (1/1) ... [2024-09-25 11:46:15,599 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 11:46:15" (1/1) ... [2024-09-25 11:46:15,604 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 11:46:15" (1/1) ... [2024-09-25 11:46:15,614 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 [2024-09-25 11:46:15,615 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 11:46:15" (1/1) ... [2024-09-25 11:46:15,615 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 11:46:15" (1/1) ... [2024-09-25 11:46:15,618 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 11:46:15" (1/1) ... [2024-09-25 11:46:15,620 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 11:46:15" (1/1) ... [2024-09-25 11:46:15,621 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 11:46:15" (1/1) ... [2024-09-25 11:46:15,621 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 11:46:15" (1/1) ... [2024-09-25 11:46:15,623 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-25 11:46:15,623 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-25 11:46:15,623 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-25 11:46:15,624 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-25 11:46:15,624 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 11:46:15" (1/1) ... [2024-09-25 11:46:15,628 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-25 11:46:15,634 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-09-25 11:46:15,649 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 11:46:15,651 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 11:46:15,679 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-09-25 11:46:15,679 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-25 11:46:15,680 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-09-25 11:46:15,680 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-09-25 11:46:15,680 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-09-25 11:46:15,680 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-09-25 11:46:15,680 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-09-25 11:46:15,680 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-09-25 11:46:15,680 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-25 11:46:15,680 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-09-25 11:46:15,680 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-09-25 11:46:15,681 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2024-09-25 11:46:15,681 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-09-25 11:46:15,681 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-09-25 11:46:15,681 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-09-25 11:46:15,681 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-25 11:46:15,681 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2024-09-25 11:46:15,681 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2024-09-25 11:46:15,681 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-09-25 11:46:15,742 INFO L241 CfgBuilder]: Building ICFG [2024-09-25 11:46:15,744 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-25 11:46:15,864 INFO L290 CfgBuilder]: Performing block encoding [2024-09-25 11:46:15,898 INFO L312 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-25 11:46:15,910 INFO L317 CfgBuilder]: Removed 0 assume(true) statements. [2024-09-25 11:46:15,911 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 11:46:15 BoogieIcfgContainer [2024-09-25 11:46:15,911 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-25 11:46:15,911 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-09-25 11:46:15,911 INFO L270 PluginConnector]: Initializing Referee... [2024-09-25 11:46:15,914 INFO L274 PluginConnector]: Referee initialized [2024-09-25 11:46:15,914 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 11:46:13" (1/4) ... [2024-09-25 11:46:15,915 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@7f8ced0 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 25.09 11:46:15, skipping insertion in model container [2024-09-25 11:46:15,915 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 25.09 11:46:15" (2/4) ... [2024-09-25 11:46:15,915 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@7f8ced0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 25.09 11:46:15, skipping insertion in model container [2024-09-25 11:46:15,915 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 11:46:15" (3/4) ... [2024-09-25 11:46:15,915 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@7f8ced0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 25.09 11:46:15, skipping insertion in model container [2024-09-25 11:46:15,915 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 11:46:15" (4/4) ... [2024-09-25 11:46:15,916 INFO L79 RefereeObserver]: Analyzing ICFG jm2006.c.i.v+cfa-reducer.c [2024-09-25 11:46:15,920 INFO L113 InvariantChecker]: Found 0 loops. [2024-09-25 11:46:15,920 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr2ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 14 edges. [2024-09-25 11:46:15,920 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 6 edges. [2024-09-25 11:46:15,921 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr1ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 9 edges. [2024-09-25 11:46:15,921 INFO L131 InvariantChecker]: Will check 3 loop-free subgraphs from procedure entry to error location [2024-09-25 11:46:15,963 INFO L314 BlockEncoder]: Initial Icfg 10 locations, 14 edges [2024-09-25 11:46:15,964 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 11:46:15,964 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 11:46:15,965 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 11:46:15,969 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 11:46:15,970 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:46:15,997 INFO L101 BaseMinimizeStates]: Removed 24 edges and 7 locations by large block encoding [2024-09-25 11:46:15,999 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:46:16,000 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 11:46:16,000 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 11:46:16,000 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 11:46:16,004 INFO L314 BlockEncoder]: Encoded RCFG 3 locations, 4 edges [2024-09-25 11:46:16,005 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 11:46:16,010 INFO L158 Benchmark]: Toolchain (without parser) took 731.29ms. Allocated memory is still 100.7MB. Free memory was 70.8MB in the beginning and 72.0MB in the end (delta: -1.2MB). Peak memory consumption was 581.2kB. Max. memory is 16.1GB. [2024-09-25 11:46:16,011 INFO L158 Benchmark]: Witness Parser took 0.31ms. Allocated memory is still 58.7MB. Free memory is still 30.9MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-25 11:46:16,011 INFO L158 Benchmark]: CDTParser took 0.11ms. Allocated memory is still 58.7MB. Free memory is still 28.9MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-25 11:46:16,011 INFO L158 Benchmark]: CACSL2BoogieTranslator took 309.74ms. Allocated memory is still 100.7MB. Free memory was 70.8MB in the beginning and 57.2MB in the end (delta: 13.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-09-25 11:46:16,012 INFO L158 Benchmark]: Boogie Preprocessor took 33.45ms. Allocated memory is still 100.7MB. Free memory was 57.2MB in the beginning and 54.8MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-09-25 11:46:16,012 INFO L158 Benchmark]: RCFGBuilder took 287.66ms. Allocated memory is still 100.7MB. Free memory was 54.8MB in the beginning and 78.8MB in the end (delta: -24.0MB). Peak memory consumption was 17.4MB. Max. memory is 16.1GB. [2024-09-25 11:46:16,013 INFO L158 Benchmark]: Referee took 97.46ms. Allocated memory is still 100.7MB. Free memory was 78.8MB in the beginning and 72.0MB in the end (delta: 6.8MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2024-09-25 11:46:16,015 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 0.31ms. Allocated memory is still 58.7MB. Free memory is still 30.9MB. There was no memory consumed. Max. memory is 16.1GB. * CDTParser took 0.11ms. Allocated memory is still 58.7MB. Free memory is still 28.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 309.74ms. Allocated memory is still 100.7MB. Free memory was 70.8MB in the beginning and 57.2MB in the end (delta: 13.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Preprocessor took 33.45ms. Allocated memory is still 100.7MB. Free memory was 57.2MB in the beginning and 54.8MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 287.66ms. Allocated memory is still 100.7MB. Free memory was 54.8MB in the beginning and 78.8MB in the end (delta: -24.0MB). Peak memory consumption was 17.4MB. Max. memory is 16.1GB. * Referee took 97.46ms. Allocated memory is still 100.7MB. Free memory was 78.8MB in the beginning and 72.0MB 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. [2024-09-25 11:46:16,036 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