./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/loop-lit/mine2017-ex4.6.i --full-output --witness-type correctness_witness --validate ../results/automizer-verification-files/SV-COMP24_unreach-call/mine2017-ex4.6.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/loop-lit/mine2017-ex4.6.i ../results/automizer-verification-files/SV-COMP24_unreach-call/mine2017-ex4.6.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 20:47:18,281 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-11 20:47:18,360 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Default.epf [2024-09-11 20:47:18,376 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-11 20:47:18,378 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-11 20:47:18,408 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-11 20:47:18,409 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-11 20:47:18,410 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-11 20:47:18,410 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-11 20:47:18,411 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-11 20:47:18,411 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-11 20:47:18,411 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-11 20:47:18,413 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-11 20:47:18,413 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-11 20:47:18,415 INFO L153 SettingsManager]: * Use SBE=true [2024-09-11 20:47:18,415 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-11 20:47:18,415 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-11 20:47:18,416 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-11 20:47:18,416 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-09-11 20:47:18,416 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-11 20:47:18,416 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-11 20:47:18,417 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-11 20:47:18,417 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-11 20:47:18,417 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-11 20:47:18,418 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-11 20:47:18,418 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-11 20:47:18,418 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-11 20:47:18,419 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-11 20:47:18,422 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-11 20:47:18,422 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-11 20:47:18,423 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-11 20:47:18,423 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-11 20:47:18,423 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-11 20:47:18,423 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-11 20:47:18,423 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-11 20:47:18,423 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-11 20:47:18,424 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-09-11 20:47:18,424 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-09-11 20:47:18,424 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-11 20:47:18,424 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-11 20:47:18,424 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-11 20:47:18,426 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-11 20:47:18,427 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None [2024-09-11 20:47:18,667 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-11 20:47:18,693 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-11 20:47:18,696 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-11 20:47:18,697 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-11 20:47:18,698 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-11 20:47:18,699 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/automizer-verification-files/SV-COMP24_unreach-call/mine2017-ex4.6.yml/witness-2.1.yml [2024-09-11 20:47:18,753 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-11 20:47:18,753 INFO L274 PluginConnector]: CDTParser initialized [2024-09-11 20:47:18,754 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/loop-lit/mine2017-ex4.6.i [2024-09-11 20:47:20,135 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-11 20:47:20,322 INFO L384 CDTParser]: Found 1 translation units. [2024-09-11 20:47:20,322 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-lit/mine2017-ex4.6.i [2024-09-11 20:47:20,328 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/dd881a5ec/b3c9db4188de4aa7bf8a9271bc727d8c/FLAG685a20fca [2024-09-11 20:47:20,340 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/dd881a5ec/b3c9db4188de4aa7bf8a9271bc727d8c [2024-09-11 20:47:20,340 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-11 20:47:20,341 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-09-11 20:47:20,344 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-11 20:47:20,345 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-11 20:47:20,350 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-11 20:47:20,351 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 08:47:18" (1/2) ... [2024-09-11 20:47:20,353 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@201ad0eb and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 11.09 08:47:20, skipping insertion in model container [2024-09-11 20:47:20,354 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 08:47:18" (1/2) ... [2024-09-11 20:47:20,355 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@1e923952 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 11.09 08:47:20, skipping insertion in model container [2024-09-11 20:47:20,355 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.09 08:47:20" (2/2) ... [2024-09-11 20:47:20,356 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@201ad0eb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:47:20, skipping insertion in model container [2024-09-11 20:47:20,356 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.09 08:47:20" (2/2) ... [2024-09-11 20:47:20,364 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-11 20:47:20,365 INFO L1541 ArrayList]: Loop invariant at [L16-L20] ((0 <= x) && (x <= 40)) [2024-09-11 20:47:20,365 INFO L1541 ArrayList]: Function contract at [L13]: requires (\old(cond) != 0), ensures (\old(cond) != 0) [2024-09-11 20:47:20,381 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-11 20:47:20,522 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/loop-lit/mine2017-ex4.6.i[812,825] [2024-09-11 20:47:20,536 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-11 20:47:20,549 INFO L200 MainTranslator]: Completed pre-run Start Parsing Global Start Parsing Global [2024-09-11 20:47:20,589 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/loop-lit/mine2017-ex4.6.i[812,825] Start Parsing Local [2024-09-11 20:47:20,593 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-11 20:47:20,608 INFO L204 MainTranslator]: Completed translation [2024-09-11 20:47:20,609 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:47:20 WrapperNode [2024-09-11 20:47:20,610 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-11 20:47:20,611 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-11 20:47:20,611 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-11 20:47:20,611 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-11 20:47:20,624 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:47:20" (1/1) ... [2024-09-11 20:47:20,624 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:47:20" (1/1) ... [2024-09-11 20:47:20,630 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:47:20" (1/1) ... [2024-09-11 20:47:20,640 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 20:47:20,640 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:47:20" (1/1) ... [2024-09-11 20:47:20,641 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:47:20" (1/1) ... [2024-09-11 20:47:20,648 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:47:20" (1/1) ... [2024-09-11 20:47:20,652 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:47:20" (1/1) ... [2024-09-11 20:47:20,653 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:47:20" (1/1) ... [2024-09-11 20:47:20,654 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:47:20" (1/1) ... [2024-09-11 20:47:20,655 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-11 20:47:20,656 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-11 20:47:20,656 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-11 20:47:20,656 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-11 20:47:20,657 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:47:20" (1/1) ... [2024-09-11 20:47:20,663 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-11 20:47:20,671 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-09-11 20:47:20,684 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 20:47:20,687 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 20:47:20,726 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-09-11 20:47:20,727 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-11 20:47:20,727 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-09-11 20:47:20,727 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-09-11 20:47:20,728 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-09-11 20:47:20,729 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-09-11 20:47:20,729 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_perror_fail [2024-09-11 20:47:20,729 INFO L130 BoogieDeclarations]: Found specification of procedure __assert [2024-09-11 20:47:20,729 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-09-11 20:47:20,730 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-09-11 20:47:20,730 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-11 20:47:20,730 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-09-11 20:47:20,730 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-09-11 20:47:20,730 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-09-11 20:47:20,730 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-09-11 20:47:20,730 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-11 20:47:20,730 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-09-11 20:47:20,730 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-09-11 20:47:20,731 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-09-11 20:47:20,787 INFO L242 CfgBuilder]: Building ICFG [2024-09-11 20:47:20,789 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-11 20:47:20,894 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-11 20:47:20,936 INFO L? ?]: Removed 8 outVars from TransFormulas that were not future-live. [2024-09-11 20:47:20,937 INFO L291 CfgBuilder]: Performing block encoding [2024-09-11 20:47:20,966 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-11 20:47:20,967 INFO L318 CfgBuilder]: Removed 1 assume(true) statements. [2024-09-11 20:47:20,968 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.09 08:47:20 BoogieIcfgContainer [2024-09-11 20:47:20,968 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-11 20:47:20,969 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-09-11 20:47:20,969 INFO L270 PluginConnector]: Initializing Referee... [2024-09-11 20:47:20,970 INFO L274 PluginConnector]: Referee initialized [2024-09-11 20:47:20,970 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 08:47:18" (1/4) ... [2024-09-11 20:47:20,970 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@2403691c and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 11.09 08:47:20, skipping insertion in model container [2024-09-11 20:47:20,970 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 11.09 08:47:20" (2/4) ... [2024-09-11 20:47:20,971 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@2403691c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 11.09 08:47:20, skipping insertion in model container [2024-09-11 20:47:20,971 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:47:20" (3/4) ... [2024-09-11 20:47:20,972 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@2403691c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 11.09 08:47:20, skipping insertion in model container [2024-09-11 20:47:20,972 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.09 08:47:20" (4/4) ... [2024-09-11 20:47:20,973 INFO L79 RefereeObserver]: Analyzing ICFG mine2017-ex4.6.i [2024-09-11 20:47:20,977 INFO L112 InvariantChecker]: Found 1 loops. [2024-09-11 20:47:20,978 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L19-1 to ERROR_LOC mainErr2REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 5 edges. [2024-09-11 20:47:20,978 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L19-1 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 6 edges. [2024-09-11 20:47:20,978 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 2 edges. [2024-09-11 20:47:20,978 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L19-1 to ERROR_LOC mainErr1REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 3 edges. [2024-09-11 20:47:20,979 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 20:47:20,979 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 20:47:20,979 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L19-1 to ERROR_LOC mainErr3REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 4 edges. [2024-09-11 20:47:20,979 INFO L130 InvariantChecker]: Will check 3 loop-free subgraphs from loop head to error location, 1 loop-free subgraphs from loop head to loop head, 2 loop-free subgraphs from procedure entry to error location, 1 loop-free subgraphs from procedure entry to loop head [2024-09-11 20:47:21,022 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 5 edges [2024-09-11 20:47:21,024 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:47:21,025 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:47:21,025 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:47:21,026 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:47:21,028 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:47:21,054 INFO L101 BaseMinimizeStates]: Removed 8 edges and 4 locations by large block encoding [2024-09-11 20:47:21,056 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:47:21,056 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:47:21,056 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:47:21,057 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:47:21,057 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:47:21,081 INFO L514 InvariantChecker]: The annotation(s) from loop head L19-1 to error location mainErr2REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-11 20:47:21,097 INFO L314 BlockEncoder]: Initial Icfg 7 locations, 6 edges [2024-09-11 20:47:21,100 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:47:21,100 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:47:21,100 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:47:21,100 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:47:21,100 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:47:21,110 INFO L101 BaseMinimizeStates]: Removed 10 edges and 5 locations by large block encoding [2024-09-11 20:47:21,110 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:47:21,111 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:47:21,111 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:47:21,111 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:47:21,111 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:47:21,114 INFO L514 InvariantChecker]: The annotation(s) from loop head L19-1 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-11 20:47:21,122 INFO L314 BlockEncoder]: Initial Icfg 3 locations, 2 edges [2024-09-11 20:47:21,122 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:47:21,122 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:47:21,122 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:47:21,123 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:47:21,123 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:47:21,124 INFO L101 BaseMinimizeStates]: Removed 2 edges and 1 locations by large block encoding [2024-09-11 20:47:21,124 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:47:21,125 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:47:21,125 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:47:21,125 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:47:21,125 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:47:21,130 INFO L514 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-11 20:47:21,140 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-11 20:47:21,140 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:47:21,140 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:47:21,140 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:47:21,140 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:47:21,140 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:47:21,142 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-11 20:47:21,143 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:47:21,143 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:47:21,143 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:47:21,143 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:47:21,143 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:47:21,145 INFO L514 InvariantChecker]: The annotation(s) from loop head L19-1 to error location mainErr1REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-11 20:47:21,152 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 5 edges [2024-09-11 20:47:21,152 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:47:21,153 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:47:21,153 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:47:21,153 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:47:21,153 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:47:21,156 INFO L101 BaseMinimizeStates]: Removed 8 edges and 3 locations by large block encoding [2024-09-11 20:47:21,156 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:47:21,156 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:47:21,157 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:47:21,157 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:47:21,160 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:47:21,161 INFO L514 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-11 20:47:21,168 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-11 20:47:21,172 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:47:21,172 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:47:21,173 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:47:21,173 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:47:21,173 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:47:21,174 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-11 20:47:21,176 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:47:21,177 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:47:21,177 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:47:21,177 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:47:21,177 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:47:21,179 INFO L514 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION is inductive. [2024-09-11 20:47:21,189 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 4 edges [2024-09-11 20:47:21,189 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:47:21,189 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:47:21,190 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:47:21,190 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:47:21,190 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:47:21,193 INFO L101 BaseMinimizeStates]: Removed 6 edges and 2 locations by large block encoding [2024-09-11 20:47:21,194 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:47:21,194 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:47:21,194 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:47:21,194 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:47:21,195 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:47:21,197 INFO L514 InvariantChecker]: The annotation(s) from loop head L19-1 to error location mainErr3REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-11 20:47:21,203 INFO L58 RefereeStarter]: Annotation is a valid proof of correctness [2024-09-11 20:47:21,204 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@2403691c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee CFG 11.09 08:47:21, skipping insertion in model container [2024-09-11 20:47:21,204 INFO L131 PluginConnector]: ------------------------ END Referee---------------------------- [2024-09-11 20:47:21,206 INFO L158 Benchmark]: Toolchain (without parser) took 863.76ms. Allocated memory is still 172.0MB. Free memory was 113.9MB in the beginning and 70.8MB in the end (delta: 43.0MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. [2024-09-11 20:47:21,207 INFO L158 Benchmark]: Witness Parser took 0.22ms. Allocated memory is still 172.0MB. Free memory was 134.9MB in the beginning and 134.8MB in the end (delta: 148.9kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-09-11 20:47:21,208 INFO L158 Benchmark]: CDTParser took 0.18ms. Allocated memory is still 172.0MB. Free memory is still 132.8MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-11 20:47:21,224 INFO L158 Benchmark]: CACSL2BoogieTranslator took 265.81ms. Allocated memory is still 172.0MB. Free memory was 113.4MB in the beginning and 100.7MB in the end (delta: 12.7MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-09-11 20:47:21,225 INFO L158 Benchmark]: Boogie Preprocessor took 44.51ms. Allocated memory is still 172.0MB. Free memory was 100.7MB in the beginning and 98.7MB in the end (delta: 2.0MB). There was no memory consumed. Max. memory is 16.1GB. [2024-09-11 20:47:21,227 INFO L158 Benchmark]: RCFGBuilder took 311.99ms. Allocated memory is still 172.0MB. Free memory was 98.7MB in the beginning and 86.1MB in the end (delta: 12.5MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-09-11 20:47:21,229 INFO L158 Benchmark]: Referee took 235.50ms. Allocated memory is still 172.0MB. Free memory was 86.1MB in the beginning and 70.8MB in the end (delta: 15.3MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-09-11 20:47:21,232 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 __VERIFIER_assert to check that a call to reach_error is unreachable at line 13. Annotation is valid for all loop-free paths from entry of procedure main to loop head at line 16. Annotation is valid for all loop-free paths from loop head at line 16 to loop head at line 16. 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 16 to check that procedure precondition always holds at line 16. Annotation is valid for all loop-free paths from loop head at line 16 to check that procedure precondition always holds at line 19. Annotation is valid for all loop-free paths from loop head at line 16 to check that procedure precondition always holds at line 17. * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Witness Parser took 0.22ms. Allocated memory is still 172.0MB. Free memory was 134.9MB in the beginning and 134.8MB in the end (delta: 148.9kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * CDTParser took 0.18ms. Allocated memory is still 172.0MB. Free memory is still 132.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 265.81ms. Allocated memory is still 172.0MB. Free memory was 113.4MB in the beginning and 100.7MB in the end (delta: 12.7MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Preprocessor took 44.51ms. Allocated memory is still 172.0MB. Free memory was 100.7MB in the beginning and 98.7MB in the end (delta: 2.0MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 311.99ms. Allocated memory is still 172.0MB. Free memory was 98.7MB in the beginning and 86.1MB in the end (delta: 12.5MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Referee took 235.50ms. Allocated memory is still 172.0MB. Free memory was 86.1MB in the beginning and 70.8MB in the end (delta: 15.3MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-09-11 20:47:21,256 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/loop-lit/mine2017-ex4.6.i ../results/automizer-verification-files/SV-COMP24_unreach-call/mine2017-ex4.6.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 20:47:23,469 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-11 20:47:23,567 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Bitvector.epf [2024-09-11 20:47:23,574 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-11 20:47:23,575 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-11 20:47:23,605 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-11 20:47:23,606 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-11 20:47:23,607 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-11 20:47:23,607 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-11 20:47:23,611 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-11 20:47:23,611 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-11 20:47:23,612 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-11 20:47:23,612 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-11 20:47:23,612 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-11 20:47:23,613 INFO L153 SettingsManager]: * Use SBE=true [2024-09-11 20:47:23,613 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-11 20:47:23,613 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-11 20:47:23,613 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-11 20:47:23,614 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-11 20:47:23,614 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-11 20:47:23,614 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-11 20:47:23,618 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-11 20:47:23,619 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-11 20:47:23,619 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-09-11 20:47:23,619 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-09-11 20:47:23,619 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-11 20:47:23,619 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-09-11 20:47:23,620 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-11 20:47:23,620 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-11 20:47:23,620 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-11 20:47:23,621 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-11 20:47:23,621 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-11 20:47:23,621 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-11 20:47:23,621 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-11 20:47:23,622 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-11 20:47:23,622 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-11 20:47:23,622 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-11 20:47:23,622 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-11 20:47:23,623 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-09-11 20:47:23,623 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-09-11 20:47:23,623 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-11 20:47:23,624 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-11 20:47:23,625 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-11 20:47:23,625 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-11 20:47:23,625 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2024-09-11 20:47:23,625 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None [2024-09-11 20:47:23,939 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-11 20:47:23,962 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-11 20:47:23,965 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-11 20:47:23,966 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-11 20:47:23,966 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-11 20:47:23,967 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/automizer-verification-files/SV-COMP24_unreach-call/mine2017-ex4.6.yml/witness-2.1.yml [2024-09-11 20:47:24,017 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-11 20:47:24,018 INFO L274 PluginConnector]: CDTParser initialized [2024-09-11 20:47:24,018 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/loop-lit/mine2017-ex4.6.i [2024-09-11 20:47:25,498 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-11 20:47:25,708 INFO L384 CDTParser]: Found 1 translation units. [2024-09-11 20:47:25,709 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-lit/mine2017-ex4.6.i [2024-09-11 20:47:25,717 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/20fec590f/430ea8dee4f0430a9b360964d84ea18c/FLAG8cf9cd7ef [2024-09-11 20:47:25,733 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/20fec590f/430ea8dee4f0430a9b360964d84ea18c [2024-09-11 20:47:25,735 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-11 20:47:25,736 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-09-11 20:47:25,739 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-11 20:47:25,740 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-11 20:47:25,745 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-11 20:47:25,746 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 08:47:24" (1/2) ... [2024-09-11 20:47:25,747 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@26a1b729 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 11.09 08:47:25, skipping insertion in model container [2024-09-11 20:47:25,750 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 08:47:24" (1/2) ... [2024-09-11 20:47:25,752 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@67ce3af6 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 11.09 08:47:25, skipping insertion in model container [2024-09-11 20:47:25,752 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.09 08:47:25" (2/2) ... [2024-09-11 20:47:25,752 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@26a1b729 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:47:25, skipping insertion in model container [2024-09-11 20:47:25,752 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.09 08:47:25" (2/2) ... [2024-09-11 20:47:25,762 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-11 20:47:25,763 INFO L1541 ArrayList]: Loop invariant at [L16-L20] ((0 <= x) && (x <= 40)) [2024-09-11 20:47:25,763 INFO L1541 ArrayList]: Function contract at [L13]: requires (\old(cond) != 0), ensures (\old(cond) != 0) [2024-09-11 20:47:25,781 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-11 20:47:25,942 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/loop-lit/mine2017-ex4.6.i[812,825] [2024-09-11 20:47:25,961 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-11 20:47:25,972 INFO L200 MainTranslator]: Completed pre-run Start Parsing Global Start Parsing Global [2024-09-11 20:47:26,007 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/loop-lit/mine2017-ex4.6.i[812,825] Start Parsing Local [2024-09-11 20:47:26,021 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-11 20:47:26,038 INFO L204 MainTranslator]: Completed translation [2024-09-11 20:47:26,039 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:47:26 WrapperNode [2024-09-11 20:47:26,039 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-11 20:47:26,040 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-11 20:47:26,040 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-11 20:47:26,040 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-11 20:47:26,051 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:47:26" (1/1) ... [2024-09-11 20:47:26,052 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:47:26" (1/1) ... [2024-09-11 20:47:26,059 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:47:26" (1/1) ... [2024-09-11 20:47:26,068 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 20:47:26,068 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:47:26" (1/1) ... [2024-09-11 20:47:26,069 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:47:26" (1/1) ... [2024-09-11 20:47:26,077 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:47:26" (1/1) ... [2024-09-11 20:47:26,080 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:47:26" (1/1) ... [2024-09-11 20:47:26,084 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:47:26" (1/1) ... [2024-09-11 20:47:26,084 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:47:26" (1/1) ... [2024-09-11 20:47:26,086 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-11 20:47:26,088 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-11 20:47:26,088 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-11 20:47:26,089 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-11 20:47:26,089 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:47:26" (1/1) ... [2024-09-11 20:47:26,094 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-11 20:47:26,102 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-09-11 20:47:26,118 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 20:47:26,121 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 20:47:26,169 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-09-11 20:47:26,170 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-11 20:47:26,170 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-09-11 20:47:26,171 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-09-11 20:47:26,171 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-09-11 20:47:26,172 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-09-11 20:47:26,172 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_perror_fail [2024-09-11 20:47:26,172 INFO L130 BoogieDeclarations]: Found specification of procedure __assert [2024-09-11 20:47:26,172 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-09-11 20:47:26,172 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-09-11 20:47:26,172 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-11 20:47:26,173 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-09-11 20:47:26,173 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-09-11 20:47:26,173 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-09-11 20:47:26,173 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-09-11 20:47:26,173 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-11 20:47:26,173 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2024-09-11 20:47:26,173 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2024-09-11 20:47:26,174 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-09-11 20:47:26,257 INFO L242 CfgBuilder]: Building ICFG [2024-09-11 20:47:26,260 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-11 20:47:26,402 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-11 20:47:26,451 INFO L? ?]: Removed 8 outVars from TransFormulas that were not future-live. [2024-09-11 20:47:26,451 INFO L291 CfgBuilder]: Performing block encoding [2024-09-11 20:47:26,485 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-11 20:47:26,486 INFO L318 CfgBuilder]: Removed 1 assume(true) statements. [2024-09-11 20:47:26,487 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.09 08:47:26 BoogieIcfgContainer [2024-09-11 20:47:26,488 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-11 20:47:26,488 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-09-11 20:47:26,489 INFO L270 PluginConnector]: Initializing Referee... [2024-09-11 20:47:26,489 INFO L274 PluginConnector]: Referee initialized [2024-09-11 20:47:26,490 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 08:47:24" (1/4) ... [2024-09-11 20:47:26,490 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@3468d522 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 11.09 08:47:26, skipping insertion in model container [2024-09-11 20:47:26,490 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 11.09 08:47:25" (2/4) ... [2024-09-11 20:47:26,491 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@3468d522 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 11.09 08:47:26, skipping insertion in model container [2024-09-11 20:47:26,491 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:47:26" (3/4) ... [2024-09-11 20:47:26,491 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@3468d522 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 11.09 08:47:26, skipping insertion in model container [2024-09-11 20:47:26,492 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.09 08:47:26" (4/4) ... [2024-09-11 20:47:26,494 INFO L79 RefereeObserver]: Analyzing ICFG mine2017-ex4.6.i [2024-09-11 20:47:26,498 INFO L112 InvariantChecker]: Found 1 loops. [2024-09-11 20:47:26,499 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L19-1 to ERROR_LOC mainErr2REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 5 edges. [2024-09-11 20:47:26,499 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L19-1 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 6 edges. [2024-09-11 20:47:26,500 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 2 edges. [2024-09-11 20:47:26,500 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L19-1 to ERROR_LOC mainErr1REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 3 edges. [2024-09-11 20:47:26,500 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 20:47:26,501 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 20:47:26,501 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L19-1 to ERROR_LOC mainErr3REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 4 edges. [2024-09-11 20:47:26,501 INFO L130 InvariantChecker]: Will check 1 loop-free subgraphs from loop head to loop head, 3 loop-free subgraphs from loop head to error location, 1 loop-free subgraphs from procedure entry to loop head, 2 loop-free subgraphs from procedure entry to error location [2024-09-11 20:47:26,543 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 5 edges [2024-09-11 20:47:26,547 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:47:26,547 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:47:26,548 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:47:26,549 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:47:26,551 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:47:26,576 INFO L101 BaseMinimizeStates]: Removed 8 edges and 4 locations by large block encoding [2024-09-11 20:47:26,578 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:47:26,579 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:47:26,579 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:47:26,580 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:47:26,580 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:47:26,600 INFO L514 InvariantChecker]: The annotation(s) from loop head L19-1 to error location mainErr2REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-11 20:47:26,618 INFO L314 BlockEncoder]: Initial Icfg 7 locations, 6 edges [2024-09-11 20:47:26,618 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:47:26,618 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:47:26,618 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:47:26,619 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:47:26,619 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:47:26,636 INFO L101 BaseMinimizeStates]: Removed 10 edges and 5 locations by large block encoding [2024-09-11 20:47:26,637 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:47:26,637 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:47:26,637 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:47:26,637 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:47:26,638 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:47:26,644 INFO L514 InvariantChecker]: The annotation(s) from loop head L19-1 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-11 20:47:26,653 INFO L314 BlockEncoder]: Initial Icfg 3 locations, 2 edges [2024-09-11 20:47:26,657 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:47:26,657 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:47:26,658 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:47:26,658 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:47:26,658 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:47:26,663 INFO L101 BaseMinimizeStates]: Removed 2 edges and 1 locations by large block encoding [2024-09-11 20:47:26,663 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:47:26,663 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:47:26,665 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:47:26,665 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:47:26,665 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:47:26,670 INFO L514 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-11 20:47:26,677 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-11 20:47:26,678 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:47:26,679 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:47:26,679 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:47:26,679 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:47:26,679 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:47:26,683 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-11 20:47:26,685 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:47:26,685 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:47:26,685 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:47:26,685 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:47:26,685 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:47:26,687 INFO L514 InvariantChecker]: The annotation(s) from loop head L19-1 to error location mainErr1REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-11 20:47:26,711 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 5 edges [2024-09-11 20:47:26,712 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:47:26,712 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:47:26,712 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:47:26,712 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:47:26,712 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:47:26,715 INFO L101 BaseMinimizeStates]: Removed 8 edges and 3 locations by large block encoding [2024-09-11 20:47:26,715 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:47:26,715 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:47:26,715 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:47:26,715 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:47:26,722 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:47:26,724 INFO L514 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-11 20:47:26,733 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-11 20:47:26,734 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:47:26,734 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:47:26,734 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:47:26,734 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:47:26,734 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:47:26,740 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-11 20:47:26,740 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:47:26,740 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:47:26,740 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:47:26,740 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:47:26,740 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:47:26,744 INFO L514 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION is inductive. [2024-09-11 20:47:26,754 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 4 edges [2024-09-11 20:47:26,754 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:47:26,754 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:47:26,754 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:47:26,754 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:47:26,754 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:47:26,760 INFO L101 BaseMinimizeStates]: Removed 6 edges and 2 locations by large block encoding [2024-09-11 20:47:26,760 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:47:26,760 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:47:26,760 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:47:26,760 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:47:26,761 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:47:26,764 INFO L514 InvariantChecker]: The annotation(s) from loop head L19-1 to error location mainErr3REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-11 20:47:26,767 INFO L58 RefereeStarter]: Annotation is a valid proof of correctness [2024-09-11 20:47:26,767 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@3468d522 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee CFG 11.09 08:47:26, skipping insertion in model container [2024-09-11 20:47:26,768 INFO L131 PluginConnector]: ------------------------ END Referee---------------------------- [2024-09-11 20:47:26,770 INFO L158 Benchmark]: Toolchain (without parser) took 1032.46ms. Allocated memory was 65.0MB in the beginning and 90.2MB in the end (delta: 25.2MB). Free memory was 39.8MB in the beginning and 62.8MB in the end (delta: -23.0MB). Peak memory consumption was 25.9MB. Max. memory is 16.1GB. [2024-09-11 20:47:26,772 INFO L158 Benchmark]: Witness Parser took 0.92ms. Allocated memory is still 65.0MB. Free memory was 41.9MB in the beginning and 41.8MB in the end (delta: 73.4kB). There was no memory consumed. Max. memory is 16.1GB. [2024-09-11 20:47:26,773 INFO L158 Benchmark]: CDTParser took 0.19ms. Allocated memory is still 65.0MB. Free memory was 39.9MB in the beginning and 39.8MB in the end (delta: 73.5kB). There was no memory consumed. Max. memory is 16.1GB. [2024-09-11 20:47:26,773 INFO L158 Benchmark]: CACSL2BoogieTranslator took 300.54ms. Allocated memory was 65.0MB in the beginning and 90.2MB in the end (delta: 25.2MB). Free memory was 39.5MB in the beginning and 69.4MB in the end (delta: -29.9MB). Peak memory consumption was 13.4MB. Max. memory is 16.1GB. [2024-09-11 20:47:26,774 INFO L158 Benchmark]: Boogie Preprocessor took 46.63ms. Allocated memory is still 90.2MB. Free memory was 69.4MB in the beginning and 67.0MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-09-11 20:47:26,775 INFO L158 Benchmark]: RCFGBuilder took 400.13ms. Allocated memory is still 90.2MB. Free memory was 67.0MB in the beginning and 53.9MB in the end (delta: 13.1MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-09-11 20:47:26,775 INFO L158 Benchmark]: Referee took 279.07ms. Allocated memory is still 90.2MB. Free memory was 53.9MB in the beginning and 62.8MB in the end (delta: -8.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-09-11 20:47:26,781 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 16 to loop head at line 16. Annotation is valid for all loop-free paths from entry of procedure main to loop head at line 16. Annotation is valid for all loop-free paths from loop head at line 16 to check that procedure precondition always holds at line 16. Annotation is valid for all loop-free paths from loop head at line 16 to check that procedure precondition always holds at line 17. 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 13. Annotation is valid for all loop-free paths from loop head at line 16 to check that procedure precondition always holds at line 19. Annotation is valid for all loop-free paths from entry of procedure __VERIFIER_assert to exit of procedure __VERIFIER_assert. * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Witness Parser took 0.92ms. Allocated memory is still 65.0MB. Free memory was 41.9MB in the beginning and 41.8MB in the end (delta: 73.4kB). There was no memory consumed. Max. memory is 16.1GB. * CDTParser took 0.19ms. Allocated memory is still 65.0MB. Free memory was 39.9MB in the beginning and 39.8MB in the end (delta: 73.5kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 300.54ms. Allocated memory was 65.0MB in the beginning and 90.2MB in the end (delta: 25.2MB). Free memory was 39.5MB in the beginning and 69.4MB in the end (delta: -29.9MB). Peak memory consumption was 13.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 46.63ms. Allocated memory is still 90.2MB. Free memory was 69.4MB in the beginning and 67.0MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 400.13ms. Allocated memory is still 90.2MB. Free memory was 67.0MB in the beginning and 53.9MB in the end (delta: 13.1MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Referee took 279.07ms. Allocated memory is still 90.2MB. Free memory was 53.9MB in the beginning and 62.8MB in the end (delta: -8.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-09-11 20:47:26,810 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: UNKNOWN