./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/loops/for_infinite_loop_2.c --full-output --witness-type correctness_witness --validate ../results/automizer-verification-files/SV-COMP24_unreach-call/for_infinite_loop_2.yml/witness-2.1.yml --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version a9b967e5 Calling Ultimate with: /root/.sdkman/candidates/java/current/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/loops/for_infinite_loop_2.c ../results/automizer-verification-files/SV-COMP24_unreach-call/for_infinite_loop_2.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-dev-a9b967e-m [2024-09-11 20:46:14,009 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-11 20:46:14,064 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Default.epf [2024-09-11 20:46:14,069 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-11 20:46:14,071 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-11 20:46:14,093 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-11 20:46:14,094 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-11 20:46:14,094 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-11 20:46:14,095 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-11 20:46:14,097 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-11 20:46:14,097 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-11 20:46:14,098 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-11 20:46:14,098 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-11 20:46:14,098 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-11 20:46:14,098 INFO L153 SettingsManager]: * Use SBE=true [2024-09-11 20:46:14,099 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-11 20:46:14,099 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-11 20:46:14,099 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-11 20:46:14,099 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-09-11 20:46:14,099 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-11 20:46:14,100 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-11 20:46:14,100 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-11 20:46:14,100 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-11 20:46:14,100 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-11 20:46:14,101 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-11 20:46:14,101 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-11 20:46:14,101 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-11 20:46:14,101 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-11 20:46:14,101 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-11 20:46:14,102 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-11 20:46:14,102 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-11 20:46:14,103 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-11 20:46:14,103 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-11 20:46:14,103 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-11 20:46:14,103 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-11 20:46:14,103 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-11 20:46:14,103 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-09-11 20:46:14,104 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-09-11 20:46:14,104 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-11 20:46:14,104 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-11 20:46:14,104 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-11 20:46:14,104 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-11 20:46:14,104 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None [2024-09-11 20:46:14,295 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-11 20:46:14,316 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-11 20:46:14,318 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-11 20:46:14,319 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-11 20:46:14,320 INFO L274 PluginConnector]: CDTParser initialized [2024-09-11 20:46:14,320 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/loops/for_infinite_loop_2.c [2024-09-11 20:46:15,517 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-11 20:46:15,652 INFO L384 CDTParser]: Found 1 translation units. [2024-09-11 20:46:15,653 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loops/for_infinite_loop_2.c [2024-09-11 20:46:15,663 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/7077d99b3/2d6c84295ec141f0af63333285baefec/FLAG5f8aa20ea [2024-09-11 20:46:16,071 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/7077d99b3/2d6c84295ec141f0af63333285baefec [2024-09-11 20:46:16,073 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-11 20:46:16,074 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-11 20:46:16,074 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/automizer-verification-files/SV-COMP24_unreach-call/for_infinite_loop_2.yml/witness-2.1.yml [2024-09-11 20:46:16,116 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-11 20:46:16,117 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-09-11 20:46:16,118 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-11 20:46:16,118 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-11 20:46:16,121 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-11 20:46:16,122 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.09 08:46:16" (1/2) ... [2024-09-11 20:46:16,123 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@53a0de01 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:46:16, skipping insertion in model container [2024-09-11 20:46:16,123 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.09 08:46:16" (1/2) ... [2024-09-11 20:46:16,124 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@6f05061e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:46:16, skipping insertion in model container [2024-09-11 20:46:16,124 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 11.09 08:46:16" (2/2) ... [2024-09-11 20:46:16,124 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@53a0de01 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 11.09 08:46:16, skipping insertion in model container [2024-09-11 20:46:16,124 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 11.09 08:46:16" (2/2) ... [2024-09-11 20:46:16,130 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-11 20:46:16,132 INFO L1541 ArrayList]: Loop invariant at [L23-L26] (x == 0) [2024-09-11 20:46:16,132 INFO L1541 ArrayList]: Function contract at [L9]: requires (\old(cond) != 0), ensures (\old(cond) != 0) [2024-09-11 20:46:16,144 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-11 20:46:16,248 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loops/for_infinite_loop_2.c[418,431] [2024-09-11 20:46:16,260 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-11 20:46:16,267 INFO L200 MainTranslator]: Completed pre-run Start Parsing Global Start Parsing Global [2024-09-11 20:46:16,295 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loops/for_infinite_loop_2.c[418,431] Start Parsing Local [2024-09-11 20:46:16,299 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-11 20:46:16,311 INFO L204 MainTranslator]: Completed translation [2024-09-11 20:46:16,311 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 11.09 08:46:16 WrapperNode [2024-09-11 20:46:16,311 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-11 20:46:16,312 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-11 20:46:16,312 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-11 20:46:16,313 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-11 20:46:16,321 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 11.09 08:46:16" (1/1) ... [2024-09-11 20:46:16,321 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 11.09 08:46:16" (1/1) ... [2024-09-11 20:46:16,326 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 11.09 08:46:16" (1/1) ... [2024-09-11 20:46:16,332 WARN L109 MemorySlicer]: Omit memory slicing because it failed with the following exception: Unsupported: Procedure __VERIFIER_assert is not part of the Ultimate memory model but has specification other that is not a ModifiesSpecification [2024-09-11 20:46:16,332 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 11.09 08:46:16" (1/1) ... [2024-09-11 20:46:16,332 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 11.09 08:46:16" (1/1) ... [2024-09-11 20:46:16,334 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 11.09 08:46:16" (1/1) ... [2024-09-11 20:46:16,336 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 11.09 08:46:16" (1/1) ... [2024-09-11 20:46:16,337 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 11.09 08:46:16" (1/1) ... [2024-09-11 20:46:16,337 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 11.09 08:46:16" (1/1) ... [2024-09-11 20:46:16,338 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-11 20:46:16,339 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-11 20:46:16,339 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-11 20:46:16,339 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-11 20:46:16,341 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 11.09 08:46:16" (1/1) ... [2024-09-11 20:46:16,345 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-11 20:46:16,352 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-09-11 20:46:16,362 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) [2024-09-11 20:46:16,365 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 [2024-09-11 20:46:16,395 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-09-11 20:46:16,396 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-11 20:46:16,396 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-09-11 20:46:16,396 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-09-11 20:46:16,396 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-09-11 20:46:16,396 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-09-11 20:46:16,396 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-09-11 20:46:16,396 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-09-11 20:46:16,396 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-09-11 20:46:16,396 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-11 20:46:16,396 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-09-11 20:46:16,396 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-09-11 20:46:16,396 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2024-09-11 20:46:16,397 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-09-11 20:46:16,397 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-09-11 20:46:16,397 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-09-11 20:46:16,397 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-11 20:46:16,397 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-09-11 20:46:16,397 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-09-11 20:46:16,397 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-09-11 20:46:16,452 INFO L242 CfgBuilder]: Building ICFG [2024-09-11 20:46:16,455 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-11 20:46:16,534 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-11 20:46:16,562 INFO L? ?]: Removed 12 outVars from TransFormulas that were not future-live. [2024-09-11 20:46:16,562 INFO L291 CfgBuilder]: Performing block encoding [2024-09-11 20:46:16,583 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-11 20:46:16,584 INFO L318 CfgBuilder]: Removed 1 assume(true) statements. [2024-09-11 20:46:16,584 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.09 08:46:16 BoogieIcfgContainer [2024-09-11 20:46:16,584 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-11 20:46:16,584 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-09-11 20:46:16,585 INFO L270 PluginConnector]: Initializing Referee... [2024-09-11 20:46:16,586 INFO L274 PluginConnector]: Referee initialized [2024-09-11 20:46:16,586 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 11.09 08:46:16" (1/4) ... [2024-09-11 20:46:16,587 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@5947a1e3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 11.09 08:46:16, skipping insertion in model container [2024-09-11 20:46:16,588 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 11.09 08:46:16" (2/4) ... [2024-09-11 20:46:16,588 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@5947a1e3 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 11.09 08:46:16, skipping insertion in model container [2024-09-11 20:46:16,588 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 11.09 08:46:16" (3/4) ... [2024-09-11 20:46:16,589 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@5947a1e3 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 11.09 08:46:16, skipping insertion in model container [2024-09-11 20:46:16,589 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.09 08:46:16" (4/4) ... [2024-09-11 20:46:16,590 INFO L79 RefereeObserver]: Analyzing ICFG for_infinite_loop_2.c [2024-09-11 20:46:16,593 INFO L112 InvariantChecker]: Found 1 loops. [2024-09-11 20:46:16,593 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L23-3 to ERROR_LOC mainErr2REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 4 edges. [2024-09-11 20:46:16,593 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L23-3 to ERROR_LOC mainErr1REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 3 edges. [2024-09-11 20:46:16,594 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 3 edges. [2024-09-11 20:46:16,594 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L23-3 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 5 edges. [2024-09-11 20:46:16,594 INFO L367 InvariantChecker]: Will check inductivity from ENTRY __VERIFIER_assertENTRY to ERROR_LOC __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 5 edges. [2024-09-11 20:46:16,594 INFO L367 InvariantChecker]: Will check inductivity from ENTRY __VERIFIER_assertENTRY to ERROR_LOC __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 3 edges. [2024-09-11 20:46:16,594 INFO L130 InvariantChecker]: Will check 1 loop-free subgraphs from procedure entry to loop head, 1 loop-free subgraphs from loop head to loop head, 2 loop-free subgraphs from procedure entry to error location, 2 loop-free subgraphs from loop head to error location [2024-09-11 20:46:16,619 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 4 edges [2024-09-11 20:46:16,620 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:46:16,621 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:46:16,621 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:46:16,622 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:46:16,623 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:46:16,627 INFO L101 BaseMinimizeStates]: Removed 6 edges and 2 locations by large block encoding [2024-09-11 20:46:16,628 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:46:16,628 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:46:16,628 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:46:16,629 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:46:16,631 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:46:16,640 INFO L514 InvariantChecker]: The annotation(s) from loop head L23-3 to error location mainErr2REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-11 20:46:16,652 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-11 20:46:16,652 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:46:16,653 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:46:16,653 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:46:16,653 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:46:16,653 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:46:16,654 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-11 20:46:16,654 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:46:16,654 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:46:16,654 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:46:16,654 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:46:16,655 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:46:16,656 INFO L514 InvariantChecker]: The annotation(s) from loop head L23-3 to error location mainErr1REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-11 20:46:16,664 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-11 20:46:16,664 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:46:16,664 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:46:16,664 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:46:16,665 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:46:16,665 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:46:16,668 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-11 20:46:16,668 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:46:16,668 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:46:16,668 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:46:16,668 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:46:16,668 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:46:16,672 INFO L514 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-11 20:46:16,679 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 5 edges [2024-09-11 20:46:16,679 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:46:16,679 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:46:16,679 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:46:16,679 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:46:16,679 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:46:16,683 INFO L101 BaseMinimizeStates]: Removed 8 edges and 4 locations by large block encoding [2024-09-11 20:46:16,683 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:46:16,683 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:46:16,686 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:46:16,686 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:46:16,686 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:46:16,688 INFO L514 InvariantChecker]: The annotation(s) from loop head L23-3 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-11 20:46:16,693 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 5 edges [2024-09-11 20:46:16,693 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:46:16,693 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:46:16,693 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:46:16,693 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:46:16,693 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:46:16,697 INFO L101 BaseMinimizeStates]: Removed 8 edges and 3 locations by large block encoding [2024-09-11 20:46:16,697 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:46:16,697 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:46:16,697 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:46:16,698 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:46:16,699 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:46:16,700 INFO L514 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-11 20:46:16,705 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-11 20:46:16,705 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:46:16,705 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:46:16,706 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:46:16,706 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:46:16,706 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:46:16,707 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-11 20:46:16,707 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:46:16,707 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:46:16,707 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:46:16,707 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:46:16,707 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:46:16,708 INFO L514 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION is inductive. [2024-09-11 20:46:16,713 INFO L58 RefereeStarter]: Annotation is a valid proof of correctness [2024-09-11 20:46:16,713 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@5947a1e3 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CFG 11.09 08:46:16, skipping insertion in model container [2024-09-11 20:46:16,713 INFO L131 PluginConnector]: ------------------------ END Referee---------------------------- [2024-09-11 20:46:16,715 INFO L158 Benchmark]: Toolchain (without parser) took 597.42ms. Allocated memory is still 159.4MB. Free memory was 102.9MB in the beginning and 61.7MB in the end (delta: 41.2MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. [2024-09-11 20:46:16,715 INFO L158 Benchmark]: CDTParser took 0.16ms. Allocated memory is still 159.4MB. Free memory is still 95.6MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-11 20:46:16,715 INFO L158 Benchmark]: Witness Parser took 0.10ms. Allocated memory is still 159.4MB. Free memory is still 104.4MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-11 20:46:16,716 INFO L158 Benchmark]: CACSL2BoogieTranslator took 193.69ms. Allocated memory is still 159.4MB. Free memory was 102.3MB in the beginning and 89.7MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-09-11 20:46:16,716 INFO L158 Benchmark]: Boogie Preprocessor took 26.33ms. Allocated memory is still 159.4MB. Free memory was 89.7MB in the beginning and 87.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-09-11 20:46:16,716 INFO L158 Benchmark]: RCFGBuilder took 245.06ms. Allocated memory is still 159.4MB. Free memory was 87.6MB in the beginning and 75.0MB in the end (delta: 12.6MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-09-11 20:46:16,717 INFO L158 Benchmark]: Referee took 128.76ms. Allocated memory is still 159.4MB. Free memory was 74.3MB in the beginning and 61.7MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-09-11 20:46:16,719 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.referee: - AnnotationCheckResult: Annotation is a valid proof of correctness Annotation is a valid proof of correctness Annotation is valid for all loop-free paths from loop head at line 23 to loop head at line 23. Annotation is valid for all loop-free paths from entry of procedure __VERIFIER_assert to check that a call to reach_error is unreachable at line 11. Annotation is valid for all loop-free paths from entry of procedure main to loop head at line 23. Annotation is valid for all loop-free paths from entry of procedure __VERIFIER_assert to exit of procedure __VERIFIER_assert. Annotation is valid for all loop-free paths from loop head at line 23 to check that procedure precondition always holds at line 23. Annotation is valid for all loop-free paths from loop head at line 23 to check that procedure precondition always holds at line 25. * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16ms. Allocated memory is still 159.4MB. Free memory is still 95.6MB. There was no memory consumed. Max. memory is 16.1GB. * Witness Parser took 0.10ms. Allocated memory is still 159.4MB. Free memory is still 104.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 193.69ms. Allocated memory is still 159.4MB. Free memory was 102.3MB in the beginning and 89.7MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Preprocessor took 26.33ms. Allocated memory is still 159.4MB. Free memory was 89.7MB in the beginning and 87.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 245.06ms. Allocated memory is still 159.4MB. Free memory was 87.6MB in the beginning and 75.0MB in the end (delta: 12.6MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Referee took 128.76ms. Allocated memory is still 159.4MB. Free memory was 74.3MB in the beginning and 61.7MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-09-11 20:46:16,740 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/current/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/loops/for_infinite_loop_2.c ../results/automizer-verification-files/SV-COMP24_unreach-call/for_infinite_loop_2.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-dev-a9b967e-m [2024-09-11 20:46:18,559 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-11 20:46:18,620 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Bitvector.epf [2024-09-11 20:46:18,624 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-11 20:46:18,625 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-11 20:46:18,646 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-11 20:46:18,647 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-11 20:46:18,648 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-11 20:46:18,648 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-11 20:46:18,651 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-11 20:46:18,651 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-11 20:46:18,651 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-11 20:46:18,652 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-11 20:46:18,652 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-11 20:46:18,652 INFO L153 SettingsManager]: * Use SBE=true [2024-09-11 20:46:18,652 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-11 20:46:18,653 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-11 20:46:18,653 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-11 20:46:18,653 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-11 20:46:18,655 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-11 20:46:18,656 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-11 20:46:18,656 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-11 20:46:18,656 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-11 20:46:18,656 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-09-11 20:46:18,656 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-09-11 20:46:18,656 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-11 20:46:18,657 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-09-11 20:46:18,657 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-11 20:46:18,657 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-11 20:46:18,657 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-11 20:46:18,657 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-11 20:46:18,657 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-11 20:46:18,657 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-11 20:46:18,658 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-11 20:46:18,658 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-11 20:46:18,658 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-11 20:46:18,658 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-11 20:46:18,658 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-11 20:46:18,658 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-09-11 20:46:18,659 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-09-11 20:46:18,659 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-11 20:46:18,660 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-11 20:46:18,660 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-11 20:46:18,660 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-11 20:46:18,661 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2024-09-11 20:46:18,661 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None [2024-09-11 20:46:18,909 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-11 20:46:18,929 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-11 20:46:18,932 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-11 20:46:18,933 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-11 20:46:18,933 INFO L274 PluginConnector]: CDTParser initialized [2024-09-11 20:46:18,934 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/loops/for_infinite_loop_2.c [2024-09-11 20:46:20,257 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-11 20:46:20,406 INFO L384 CDTParser]: Found 1 translation units. [2024-09-11 20:46:20,407 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loops/for_infinite_loop_2.c [2024-09-11 20:46:20,415 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/9cbfebaf5/66738684f294420f8b415746e00d74b7/FLAGa43aa9594 [2024-09-11 20:46:20,429 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/9cbfebaf5/66738684f294420f8b415746e00d74b7 [2024-09-11 20:46:20,431 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-11 20:46:20,432 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-11 20:46:20,433 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/automizer-verification-files/SV-COMP24_unreach-call/for_infinite_loop_2.yml/witness-2.1.yml [2024-09-11 20:46:20,473 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-11 20:46:20,474 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-09-11 20:46:20,475 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-11 20:46:20,475 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-11 20:46:20,478 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-11 20:46:20,479 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.09 08:46:20" (1/2) ... [2024-09-11 20:46:20,480 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@8d6db93 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:46:20, skipping insertion in model container [2024-09-11 20:46:20,482 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.09 08:46:20" (1/2) ... [2024-09-11 20:46:20,483 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@571bfe9c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:46:20, skipping insertion in model container [2024-09-11 20:46:20,483 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 11.09 08:46:20" (2/2) ... [2024-09-11 20:46:20,483 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@8d6db93 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 11.09 08:46:20, skipping insertion in model container [2024-09-11 20:46:20,484 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 11.09 08:46:20" (2/2) ... [2024-09-11 20:46:20,488 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-11 20:46:20,488 INFO L1541 ArrayList]: Loop invariant at [L23-L26] (x == 0) [2024-09-11 20:46:20,489 INFO L1541 ArrayList]: Function contract at [L9]: requires (\old(cond) != 0), ensures (\old(cond) != 0) [2024-09-11 20:46:20,503 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-11 20:46:20,616 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loops/for_infinite_loop_2.c[418,431] [2024-09-11 20:46:20,628 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-11 20:46:20,635 INFO L200 MainTranslator]: Completed pre-run Start Parsing Global Start Parsing Global [2024-09-11 20:46:20,662 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loops/for_infinite_loop_2.c[418,431] Start Parsing Local [2024-09-11 20:46:20,668 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-11 20:46:20,681 INFO L204 MainTranslator]: Completed translation [2024-09-11 20:46:20,682 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 11.09 08:46:20 WrapperNode [2024-09-11 20:46:20,682 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-11 20:46:20,683 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-11 20:46:20,683 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-11 20:46:20,683 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-11 20:46:20,692 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 11.09 08:46:20" (1/1) ... [2024-09-11 20:46:20,692 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 11.09 08:46:20" (1/1) ... [2024-09-11 20:46:20,698 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 11.09 08:46:20" (1/1) ... [2024-09-11 20:46:20,705 WARN L109 MemorySlicer]: Omit memory slicing because it failed with the following exception: Unsupported: Procedure __VERIFIER_assert is not part of the Ultimate memory model but has specification other that is not a ModifiesSpecification [2024-09-11 20:46:20,705 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 11.09 08:46:20" (1/1) ... [2024-09-11 20:46:20,706 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 11.09 08:46:20" (1/1) ... [2024-09-11 20:46:20,710 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 11.09 08:46:20" (1/1) ... [2024-09-11 20:46:20,712 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 11.09 08:46:20" (1/1) ... [2024-09-11 20:46:20,713 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 11.09 08:46:20" (1/1) ... [2024-09-11 20:46:20,713 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 11.09 08:46:20" (1/1) ... [2024-09-11 20:46:20,715 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-11 20:46:20,718 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-11 20:46:20,718 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-11 20:46:20,719 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-11 20:46:20,719 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 11.09 08:46:20" (1/1) ... [2024-09-11 20:46:20,724 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-11 20:46:20,731 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-09-11 20:46:20,743 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) [2024-09-11 20:46:20,746 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 [2024-09-11 20:46:20,781 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-09-11 20:46:20,782 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-11 20:46:20,782 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-09-11 20:46:20,783 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-09-11 20:46:20,783 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-09-11 20:46:20,783 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-09-11 20:46:20,783 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-09-11 20:46:20,783 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-09-11 20:46:20,784 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-09-11 20:46:20,784 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-11 20:46:20,784 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-09-11 20:46:20,784 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-09-11 20:46:20,784 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2024-09-11 20:46:20,784 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-09-11 20:46:20,784 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-09-11 20:46:20,784 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-09-11 20:46:20,784 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-11 20:46:20,785 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2024-09-11 20:46:20,785 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2024-09-11 20:46:20,785 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-09-11 20:46:20,846 INFO L242 CfgBuilder]: Building ICFG [2024-09-11 20:46:20,847 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-11 20:46:20,931 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-11 20:46:20,971 INFO L? ?]: Removed 12 outVars from TransFormulas that were not future-live. [2024-09-11 20:46:20,972 INFO L291 CfgBuilder]: Performing block encoding [2024-09-11 20:46:20,997 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-11 20:46:20,998 INFO L318 CfgBuilder]: Removed 1 assume(true) statements. [2024-09-11 20:46:20,998 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.09 08:46:20 BoogieIcfgContainer [2024-09-11 20:46:20,999 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-11 20:46:20,999 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-09-11 20:46:21,000 INFO L270 PluginConnector]: Initializing Referee... [2024-09-11 20:46:21,000 INFO L274 PluginConnector]: Referee initialized [2024-09-11 20:46:21,000 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 11.09 08:46:20" (1/4) ... [2024-09-11 20:46:21,001 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@b4e8f9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 11.09 08:46:21, skipping insertion in model container [2024-09-11 20:46:21,002 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 11.09 08:46:20" (2/4) ... [2024-09-11 20:46:21,002 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@b4e8f9 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 11.09 08:46:21, skipping insertion in model container [2024-09-11 20:46:21,002 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 11.09 08:46:20" (3/4) ... [2024-09-11 20:46:21,002 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@b4e8f9 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 11.09 08:46:21, skipping insertion in model container [2024-09-11 20:46:21,002 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.09 08:46:20" (4/4) ... [2024-09-11 20:46:21,003 INFO L79 RefereeObserver]: Analyzing ICFG for_infinite_loop_2.c [2024-09-11 20:46:21,006 INFO L112 InvariantChecker]: Found 1 loops. [2024-09-11 20:46:21,007 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L23-3 to ERROR_LOC mainErr2REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 4 edges. [2024-09-11 20:46:21,008 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L23-3 to ERROR_LOC mainErr1REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 3 edges. [2024-09-11 20:46:21,008 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 3 edges. [2024-09-11 20:46:21,008 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L23-3 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 5 edges. [2024-09-11 20:46:21,008 INFO L367 InvariantChecker]: Will check inductivity from ENTRY __VERIFIER_assertENTRY to ERROR_LOC __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 5 edges. [2024-09-11 20:46:21,009 INFO L367 InvariantChecker]: Will check inductivity from ENTRY __VERIFIER_assertENTRY to ERROR_LOC __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 3 edges. [2024-09-11 20:46:21,009 INFO L130 InvariantChecker]: Will check 2 loop-free subgraphs from loop head to error location, 2 loop-free subgraphs from procedure entry to error location, 1 loop-free subgraphs from loop head to loop head, 1 loop-free subgraphs from procedure entry to loop head [2024-09-11 20:46:21,055 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 4 edges [2024-09-11 20:46:21,055 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:46:21,056 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:46:21,056 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:46:21,057 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:46:21,058 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:46:21,068 INFO L101 BaseMinimizeStates]: Removed 6 edges and 2 locations by large block encoding [2024-09-11 20:46:21,070 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:46:21,070 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:46:21,070 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:46:21,070 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:46:21,073 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:46:21,086 INFO L514 InvariantChecker]: The annotation(s) from loop head L23-3 to error location mainErr2REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-11 20:46:21,101 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-11 20:46:21,101 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:46:21,101 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:46:21,102 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:46:21,102 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:46:21,102 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:46:21,103 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-11 20:46:21,103 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:46:21,103 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:46:21,103 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:46:21,103 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:46:21,103 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:46:21,108 INFO L514 InvariantChecker]: The annotation(s) from loop head L23-3 to error location mainErr1REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-11 20:46:21,121 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-11 20:46:21,121 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:46:21,121 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:46:21,122 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:46:21,122 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:46:21,122 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:46:21,125 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-11 20:46:21,127 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:46:21,127 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:46:21,128 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:46:21,128 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:46:21,128 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:46:21,132 INFO L514 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-11 20:46:21,141 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 5 edges [2024-09-11 20:46:21,144 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:46:21,144 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:46:21,145 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:46:21,145 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:46:21,145 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:46:21,148 INFO L101 BaseMinimizeStates]: Removed 8 edges and 4 locations by large block encoding [2024-09-11 20:46:21,151 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:46:21,151 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:46:21,151 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:46:21,151 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:46:21,151 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:46:21,153 INFO L514 InvariantChecker]: The annotation(s) from loop head L23-3 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-11 20:46:21,162 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 5 edges [2024-09-11 20:46:21,163 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:46:21,163 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:46:21,163 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:46:21,163 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:46:21,163 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:46:21,166 INFO L101 BaseMinimizeStates]: Removed 8 edges and 3 locations by large block encoding [2024-09-11 20:46:21,170 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:46:21,170 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:46:21,170 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:46:21,170 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:46:21,171 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:46:21,173 INFO L514 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-11 20:46:21,179 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-11 20:46:21,183 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:46:21,183 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:46:21,183 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:46:21,183 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:46:21,184 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:46:21,185 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-11 20:46:21,185 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:46:21,185 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:46:21,185 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:46:21,185 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:46:21,185 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:46:21,187 INFO L514 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION is inductive. [2024-09-11 20:46:21,190 INFO L58 RefereeStarter]: Annotation is a valid proof of correctness [2024-09-11 20:46:21,190 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@b4e8f9 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CFG 11.09 08:46:21, skipping insertion in model container [2024-09-11 20:46:21,190 INFO L131 PluginConnector]: ------------------------ END Referee---------------------------- [2024-09-11 20:46:21,193 INFO L158 Benchmark]: Toolchain (without parser) took 716.96ms. Allocated memory was 58.7MB in the beginning and 77.6MB in the end (delta: 18.9MB). Free memory was 29.0MB in the beginning and 41.1MB in the end (delta: -12.1MB). Peak memory consumption was 17.2MB. Max. memory is 16.1GB. [2024-09-11 20:46:21,194 INFO L158 Benchmark]: CDTParser took 0.68ms. Allocated memory is still 58.7MB. Free memory was 35.7MB in the beginning and 35.6MB in the end (delta: 73.4kB). There was no memory consumed. Max. memory is 16.1GB. [2024-09-11 20:46:21,195 INFO L158 Benchmark]: Witness Parser took 0.15ms. Allocated memory is still 58.7MB. Free memory is still 31.1MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-11 20:46:21,195 INFO L158 Benchmark]: CACSL2BoogieTranslator took 207.12ms. Allocated memory was 58.7MB in the beginning and 77.6MB in the end (delta: 18.9MB). Free memory was 28.9MB in the beginning and 50.7MB in the end (delta: -21.8MB). Peak memory consumption was 6.7MB. Max. memory is 16.1GB. [2024-09-11 20:46:21,196 INFO L158 Benchmark]: Boogie Preprocessor took 31.95ms. Allocated memory is still 77.6MB. Free memory was 50.7MB in the beginning and 48.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-09-11 20:46:21,197 INFO L158 Benchmark]: RCFGBuilder took 280.44ms. Allocated memory is still 77.6MB. Free memory was 48.6MB in the beginning and 34.9MB in the end (delta: 13.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-09-11 20:46:21,197 INFO L158 Benchmark]: Referee took 190.99ms. Allocated memory is still 77.6MB. Free memory was 34.9MB in the beginning and 41.1MB in the end (delta: -6.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-09-11 20:46:21,199 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.referee: - AnnotationCheckResult: Annotation is a valid proof of correctness Annotation is a valid proof of correctness Annotation is valid for all loop-free paths from entry of procedure main to loop head at line 23. Annotation is valid for all loop-free paths from loop head at line 23 to check that procedure precondition always holds at line 23. Annotation is valid for all loop-free paths from entry of procedure __VERIFIER_assert to check that a call to reach_error is unreachable at line 11. Annotation is valid for all loop-free paths from loop head at line 23 to loop head at line 23. Annotation is valid for all loop-free paths from entry of procedure __VERIFIER_assert to exit of procedure __VERIFIER_assert. Annotation is valid for all loop-free paths from loop head at line 23 to check that procedure precondition always holds at line 25. * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.68ms. Allocated memory is still 58.7MB. Free memory was 35.7MB in the beginning and 35.6MB in the end (delta: 73.4kB). There was no memory consumed. Max. memory is 16.1GB. * Witness Parser took 0.15ms. Allocated memory is still 58.7MB. Free memory is still 31.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 207.12ms. Allocated memory was 58.7MB in the beginning and 77.6MB in the end (delta: 18.9MB). Free memory was 28.9MB in the beginning and 50.7MB in the end (delta: -21.8MB). Peak memory consumption was 6.7MB. Max. memory is 16.1GB. * Boogie Preprocessor took 31.95ms. Allocated memory is still 77.6MB. Free memory was 50.7MB in the beginning and 48.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 280.44ms. Allocated memory is still 77.6MB. Free memory was 48.6MB in the beginning and 34.9MB in the end (delta: 13.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Referee took 190.99ms. Allocated memory is still 77.6MB. Free memory was 34.9MB in the beginning and 41.1MB in the end (delta: -6.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-09-11 20:46:21,224 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 Writing output log to file Ultimate.log Result: UNKNOWN