./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/loops-crafted-1/Mono1_1-2.c --full-output --witness-type correctness_witness --validate ../results/cpachecker-verification-files/SV-COMP24_unreach-call/Mono1_1-2.yml/output/witness-2.1.yml --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 27b49876 Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/bin/java -Dosgi.configuration.area=/storage/repos/certificate-witnesses-artifact/referee/data/config -Xmx15G -Xms4m -jar /storage/repos/certificate-witnesses-artifact/referee/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/certificate-witnesses-artifact/referee/data -tc /storage/repos/certificate-witnesses-artifact/referee/config/RefereeReachWitnessValidation.xml -i ../sv-benchmarks/c/loops-crafted-1/Mono1_1-2.c ../results/cpachecker-verification-files/SV-COMP24_unreach-call/Mono1_1-2.yml/output/witness-2.1.yml -s /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Default.epf --cacsl2boogietranslator.entry.function main --traceabstraction.positions.where.we.compute.the.hoare.annotation None --- Real Ultimate output --- This is Ultimate 0.2.4-tmp.dk.referee-eval-27b4987-m [2024-09-21 19:07:34,316 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-21 19:07:34,374 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Default.epf [2024-09-21 19:07:34,379 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-21 19:07:34,379 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-21 19:07:34,420 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-21 19:07:34,422 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-21 19:07:34,422 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-21 19:07:34,423 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-21 19:07:34,424 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-21 19:07:34,425 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-21 19:07:34,425 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-21 19:07:34,425 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-21 19:07:34,428 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-21 19:07:34,428 INFO L153 SettingsManager]: * Use SBE=true [2024-09-21 19:07:34,429 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-21 19:07:34,429 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-21 19:07:34,429 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-21 19:07:34,429 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-09-21 19:07:34,429 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-21 19:07:34,429 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-21 19:07:34,430 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-21 19:07:34,432 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-21 19:07:34,432 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-21 19:07:34,432 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-21 19:07:34,432 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-21 19:07:34,432 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-21 19:07:34,433 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-21 19:07:34,433 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-21 19:07:34,433 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-21 19:07:34,433 INFO L153 SettingsManager]: * Future-live optimization=false [2024-09-21 19:07:34,433 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-21 19:07:34,433 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-21 19:07:34,434 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-21 19:07:34,434 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-21 19:07:34,434 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-21 19:07:34,449 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-21 19:07:34,450 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-09-21 19:07:34,450 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-09-21 19:07:34,450 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-21 19:07:34,451 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-21 19:07:34,451 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-21 19:07:34,451 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-21 19:07:34,451 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None [2024-09-21 19:07:34,670 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-21 19:07:34,697 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-21 19:07:34,699 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-21 19:07:34,700 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-21 19:07:34,701 INFO L274 PluginConnector]: CDTParser initialized [2024-09-21 19:07:34,702 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/loops-crafted-1/Mono1_1-2.c [2024-09-21 19:07:36,107 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-21 19:07:36,287 INFO L384 CDTParser]: Found 1 translation units. [2024-09-21 19:07:36,287 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loops-crafted-1/Mono1_1-2.c [2024-09-21 19:07:36,293 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/0cf6cab37/fc1b8104c5274e5cbb276f77b555816e/FLAGe3019a066 [2024-09-21 19:07:36,306 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/0cf6cab37/fc1b8104c5274e5cbb276f77b555816e [2024-09-21 19:07:36,307 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-21 19:07:36,311 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-21 19:07:36,312 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/cpachecker-verification-files/SV-COMP24_unreach-call/Mono1_1-2.yml/output/witness-2.1.yml [2024-09-21 19:07:36,375 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-21 19:07:36,377 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-09-21 19:07:36,382 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-21 19:07:36,382 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-21 19:07:36,390 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-21 19:07:36,391 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 07:07:36" (1/2) ... [2024-09-21 19:07:36,392 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@16654c8f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 07:07:36, skipping insertion in model container [2024-09-21 19:07:36,396 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 07:07:36" (1/2) ... [2024-09-21 19:07:36,398 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@441a3786 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 07:07:36, skipping insertion in model container [2024-09-21 19:07:36,398 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 21.09 07:07:36" (2/2) ... [2024-09-21 19:07:36,398 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@16654c8f and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 21.09 07:07:36, skipping insertion in model container [2024-09-21 19:07:36,398 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 21.09 07:07:36" (2/2) ... [2024-09-21 19:07:36,416 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-21 19:07:36,417 INFO L1541 ArrayList]: Loop invariant at [L8-L14] 1 [2024-09-21 19:07:36,417 INFO L1541 ArrayList]: Function contract at [L5]: requires 1, ensures (!(1) || (1)) [2024-09-21 19:07:36,417 INFO L1541 ArrayList]: Function contract at [L3]: requires 1, ensures 1 [2024-09-21 19:07:36,417 INFO L1541 ArrayList]: Function contract at [L4]: requires 1, ensures (!(1) || (1)) [2024-09-21 19:07:36,444 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-21 19:07:36,579 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loops-crafted-1/Mono1_1-2.c[313,326] [2024-09-21 19:07:36,592 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-21 19:07:36,603 INFO L200 MainTranslator]: Completed pre-run Start Parsing Global Start Parsing Global Start Parsing Global Start Parsing Global [2024-09-21 19:07:36,637 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loops-crafted-1/Mono1_1-2.c[313,326] Start Parsing Global Start Parsing Global Start Parsing Local [2024-09-21 19:07:36,641 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-21 19:07:36,656 INFO L204 MainTranslator]: Completed translation [2024-09-21 19:07:36,656 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 21.09 07:07:36 WrapperNode [2024-09-21 19:07:36,656 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-21 19:07:36,657 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-21 19:07:36,657 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-21 19:07:36,657 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-21 19:07:36,667 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 21.09 07:07:36" (1/1) ... [2024-09-21 19:07:36,668 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 21.09 07:07:36" (1/1) ... [2024-09-21 19:07:36,672 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 21.09 07:07:36" (1/1) ... [2024-09-21 19:07:36,679 WARN L109 MemorySlicer]: Omit memory slicing because it failed with the following exception: Unsupported: Procedure reach_error is not part of the Ultimate memory model but has specification other that is not a ModifiesSpecification [2024-09-21 19:07:36,680 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 21.09 07:07:36" (1/1) ... [2024-09-21 19:07:36,680 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 21.09 07:07:36" (1/1) ... [2024-09-21 19:07:36,682 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 21.09 07:07:36" (1/1) ... [2024-09-21 19:07:36,684 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 21.09 07:07:36" (1/1) ... [2024-09-21 19:07:36,685 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 21.09 07:07:36" (1/1) ... [2024-09-21 19:07:36,685 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 21.09 07:07:36" (1/1) ... [2024-09-21 19:07:36,686 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-21 19:07:36,687 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-21 19:07:36,687 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-21 19:07:36,687 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-21 19:07:36,688 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 21.09 07:07:36" (1/1) ... [2024-09-21 19:07:36,695 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-21 19:07:36,701 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-09-21 19:07:36,717 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) [2024-09-21 19:07:36,721 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 [2024-09-21 19:07:36,759 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-09-21 19:07:36,759 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-21 19:07:36,759 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-09-21 19:07:36,761 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-09-21 19:07:36,761 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-09-21 19:07:36,761 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-09-21 19:07:36,761 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-09-21 19:07:36,761 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-09-21 19:07:36,762 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-21 19:07:36,762 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-09-21 19:07:36,762 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-09-21 19:07:36,762 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-09-21 19:07:36,762 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-09-21 19:07:36,762 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-21 19:07:36,762 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-09-21 19:07:36,763 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-09-21 19:07:36,763 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-09-21 19:07:36,820 INFO L242 CfgBuilder]: Building ICFG [2024-09-21 19:07:36,822 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-21 19:07:36,828 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-21 19:07:36,882 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-21 19:07:36,913 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-21 19:07:36,926 INFO L291 CfgBuilder]: Performing block encoding [2024-09-21 19:07:36,958 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-21 19:07:36,960 INFO L318 CfgBuilder]: Removed 2 assume(true) statements. [2024-09-21 19:07:36,960 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 07:07:36 BoogieIcfgContainer [2024-09-21 19:07:36,960 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-21 19:07:36,961 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-09-21 19:07:36,961 INFO L270 PluginConnector]: Initializing Referee... [2024-09-21 19:07:36,962 INFO L274 PluginConnector]: Referee initialized [2024-09-21 19:07:36,962 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 21.09 07:07:36" (1/4) ... [2024-09-21 19:07:36,963 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@57fc13b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 21.09 07:07:36, skipping insertion in model container [2024-09-21 19:07:36,964 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 21.09 07:07:36" (2/4) ... [2024-09-21 19:07:36,964 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@57fc13b and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 21.09 07:07:36, skipping insertion in model container [2024-09-21 19:07:36,964 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 21.09 07:07:36" (3/4) ... [2024-09-21 19:07:36,964 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@57fc13b and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 21.09 07:07:36, skipping insertion in model container [2024-09-21 19:07:36,964 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 07:07:36" (4/4) ... [2024-09-21 19:07:36,966 INFO L79 RefereeObserver]: Analyzing ICFG Mono1_1-2.c [2024-09-21 19:07:36,969 INFO L113 InvariantChecker]: Found 1 loops. [2024-09-21 19:07:36,970 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L9-2 to ERROR_LOC mainErr1REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 4 edges. [2024-09-21 19:07:36,970 INFO L373 InvariantChecker]: Will check inductivity from ENTRY mainENTRY to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 2 edges. [2024-09-21 19:07:36,970 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L9-2 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 5 edges. [2024-09-21 19:07:36,971 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L9-2 to ERROR_LOC mainErr2ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 5 edges. [2024-09-21 19:07:36,972 INFO L373 InvariantChecker]: Will check inductivity from ENTRY reach_errorENTRY to ERROR_LOC reach_errorErr0ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 2 edges. [2024-09-21 19:07:36,972 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC ULTIMATE.startErr0REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 2 edges. [2024-09-21 19:07:36,972 INFO L373 InvariantChecker]: Will check inductivity from ENTRY __VERIFIER_assertENTRY to ERROR_LOC __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 5 edges. [2024-09-21 19:07:36,972 INFO L373 InvariantChecker]: Will check inductivity from ENTRY __VERIFIER_assertENTRY to ERROR_LOC __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 3 edges. [2024-09-21 19:07:36,973 INFO L131 InvariantChecker]: Will check 2 loop-free subgraphs from loop head to error location, 4 loop-free subgraphs from procedure entry to error location, 1 loop-free subgraphs from procedure entry to loop head, 1 loop-free subgraphs from loop head to loop head [2024-09-21 19:07:37,015 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 4 edges [2024-09-21 19:07:37,016 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 19:07:37,016 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 19:07:37,017 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 19:07:37,018 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 19:07:37,019 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:07:37,026 INFO L101 BaseMinimizeStates]: Removed 6 edges and 2 locations by large block encoding [2024-09-21 19:07:37,027 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:07:37,027 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 19:07:37,027 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 19:07:37,028 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 19:07:37,030 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 19:07:37,041 INFO L520 InvariantChecker]: The annotation(s) from loop head L9-2 to error location mainErr1REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-21 19:07:37,048 INFO L314 BlockEncoder]: Initial Icfg 3 locations, 2 edges [2024-09-21 19:07:37,049 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 19:07:37,049 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 19:07:37,049 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 19:07:37,050 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 19:07:37,050 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:07:37,051 INFO L101 BaseMinimizeStates]: Removed 2 edges and 1 locations by large block encoding [2024-09-21 19:07:37,051 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:07:37,051 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 19:07:37,051 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 19:07:37,051 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 19:07:37,051 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 19:07:37,063 INFO L520 InvariantChecker]: The annotation(s) from entry mainENTRY to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-21 19:07:37,078 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 5 edges [2024-09-21 19:07:37,078 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 19:07:37,078 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 19:07:37,078 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 19:07:37,078 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 19:07:37,078 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:07:37,085 INFO L101 BaseMinimizeStates]: Removed 8 edges and 3 locations by large block encoding [2024-09-21 19:07:37,086 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:07:37,086 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 19:07:37,086 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 19:07:37,086 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 19:07:37,087 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 19:07:37,088 INFO L520 InvariantChecker]: The annotation(s) from loop head L9-2 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-21 19:07:37,094 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 5 edges [2024-09-21 19:07:37,094 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 19:07:37,094 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 19:07:37,094 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 19:07:37,094 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 19:07:37,094 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:07:37,097 INFO L101 BaseMinimizeStates]: Removed 9 edges and 3 locations by large block encoding [2024-09-21 19:07:37,097 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:07:37,097 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 19:07:37,097 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 19:07:37,097 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 19:07:37,098 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 19:07:37,099 INFO L520 InvariantChecker]: The annotation(s) from loop head L9-2 to error location mainErr2ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-21 19:07:37,104 INFO L314 BlockEncoder]: Initial Icfg 3 locations, 2 edges [2024-09-21 19:07:37,104 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 19:07:37,104 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 19:07:37,105 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 19:07:37,105 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 19:07:37,105 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:07:37,105 INFO L101 BaseMinimizeStates]: Removed 2 edges and 1 locations by large block encoding [2024-09-21 19:07:37,105 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:07:37,106 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 19:07:37,106 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 19:07:37,106 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 19:07:37,106 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 19:07:37,107 INFO L520 InvariantChecker]: The annotation(s) from entry reach_errorENTRY to error location reach_errorErr0ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-21 19:07:37,111 INFO L314 BlockEncoder]: Initial Icfg 3 locations, 2 edges [2024-09-21 19:07:37,111 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 19:07:37,111 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 19:07:37,112 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 19:07:37,112 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 19:07:37,112 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:07:37,112 INFO L101 BaseMinimizeStates]: Removed 2 edges and 1 locations by large block encoding [2024-09-21 19:07:37,112 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:07:37,113 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 19:07:37,113 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 19:07:37,113 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 19:07:37,113 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 19:07:37,114 INFO L520 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to error location ULTIMATE.startErr0REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-21 19:07:37,118 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 5 edges [2024-09-21 19:07:37,119 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 19:07:37,119 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 19:07:37,119 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 19:07:37,119 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 19:07:37,119 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:07:37,121 INFO L101 BaseMinimizeStates]: Removed 8 edges and 3 locations by large block encoding [2024-09-21 19:07:37,122 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:07:37,122 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 19:07:37,122 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 19:07:37,122 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 19:07:37,122 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 19:07:37,124 INFO L520 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-21 19:07:37,129 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-21 19:07:37,129 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 19:07:37,129 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 19:07:37,129 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 19:07:37,129 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 19:07:37,129 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:07:37,131 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-21 19:07:37,131 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:07:37,131 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 19:07:37,131 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 19:07:37,131 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 19:07:37,131 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 19:07:37,144 INFO L58 RefereeStarter]: Annotation is not a valid proof of correctness. [2024-09-21 19:07:37,145 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@57fc13b and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CFG 21.09 07:07:37, skipping insertion in model container [2024-09-21 19:07:37,145 INFO L131 PluginConnector]: ------------------------ END Referee---------------------------- [2024-09-21 19:07:37,146 INFO L158 Benchmark]: Toolchain (without parser) took 768.98ms. Allocated memory is still 207.6MB. Free memory was 149.9MB in the beginning and 108.4MB in the end (delta: 41.5MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. [2024-09-21 19:07:37,147 INFO L158 Benchmark]: CDTParser took 0.71ms. Allocated memory is still 207.6MB. Free memory is still 175.5MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-21 19:07:37,147 INFO L158 Benchmark]: Witness Parser took 0.12ms. Allocated memory is still 207.6MB. Free memory is still 152.0MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-21 19:07:37,147 INFO L158 Benchmark]: CACSL2BoogieTranslator took 274.64ms. Allocated memory is still 207.6MB. Free memory was 149.9MB in the beginning and 136.8MB in the end (delta: 13.1MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-09-21 19:07:37,147 INFO L158 Benchmark]: Boogie Preprocessor took 29.04ms. Allocated memory is still 207.6MB. Free memory was 136.8MB in the beginning and 134.8MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-09-21 19:07:37,148 INFO L158 Benchmark]: RCFGBuilder took 273.72ms. Allocated memory is still 207.6MB. Free memory was 134.8MB in the beginning and 123.1MB in the end (delta: 11.8MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-09-21 19:07:37,149 INFO L158 Benchmark]: Referee took 184.23ms. Allocated memory is still 207.6MB. Free memory was 123.1MB in the beginning and 108.4MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-09-21 19:07:37,151 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.referee: - AnnotationCheckResult: Annotation is not a valid proof of correctness. Annotation is not a valid proof of correctness. Annotation is not valid for all loop-free paths from entry of procedure __VERIFIER_assert to check that a call to reach_error is unreachable at line 4. One counterexample starts in \old(cond)=0 and ends in \old(cond)=0, cond=0. Annotation is valid for all loop-free paths from loop head at line 8 to loop head at line 8. Annotation is valid for all loop-free paths from entry of procedure ULTIMATE.start to check that procedure precondition always holds at line -1. Annotation is valid for all loop-free paths from loop head at line 8 to check that procedure precondition always holds at line 8. 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 entry of procedure main to loop head at line 8. Annotation is valid for all loop-free paths from loop head at line 8 to exit of procedure main. Annotation is valid for all loop-free paths from entry of procedure reach_error to exit of procedure reach_error. * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.71ms. Allocated memory is still 207.6MB. Free memory is still 175.5MB. There was no memory consumed. Max. memory is 16.1GB. * Witness Parser took 0.12ms. Allocated memory is still 207.6MB. Free memory is still 152.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 274.64ms. Allocated memory is still 207.6MB. Free memory was 149.9MB in the beginning and 136.8MB in the end (delta: 13.1MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Preprocessor took 29.04ms. Allocated memory is still 207.6MB. Free memory was 136.8MB in the beginning and 134.8MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 273.72ms. Allocated memory is still 207.6MB. Free memory was 134.8MB in the beginning and 123.1MB in the end (delta: 11.8MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Referee took 184.23ms. Allocated memory is still 207.6MB. Free memory was 123.1MB in the beginning and 108.4MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be incorrect! [2024-09-21 19:07:37,180 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 Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE