./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/loop-lit/bh2017-ex-add.i --full-output --witness-type correctness_witness --validate ../results/automizer-verification-files/SV-COMP24_unreach-call/bh2017-ex-add.yml/witness-2.1.yml --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version de325976 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/bh2017-ex-add.i ../results/automizer-verification-files/SV-COMP24_unreach-call/bh2017-ex-add.yml/witness-2.1.yml -s /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Default.epf --cacsl2boogietranslator.entry.function main --traceabstraction.positions.where.we.compute.the.hoare.annotation None --- Real Ultimate output --- This is Ultimate 0.2.4-tmp.dk.referee-eval-de32597-m [2024-09-17 19:38:54,745 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-17 19:38:54,782 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Default.epf [2024-09-17 19:38:54,785 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-17 19:38:54,786 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-17 19:38:54,800 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-17 19:38:54,801 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-17 19:38:54,801 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-17 19:38:54,801 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-17 19:38:54,802 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-17 19:38:54,802 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-17 19:38:54,802 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-17 19:38:54,803 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-17 19:38:54,803 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-17 19:38:54,803 INFO L153 SettingsManager]: * Use SBE=true [2024-09-17 19:38:54,804 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-17 19:38:54,804 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-17 19:38:54,804 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-17 19:38:54,804 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-09-17 19:38:54,805 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-17 19:38:54,805 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-17 19:38:54,805 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-17 19:38:54,806 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-17 19:38:54,806 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-17 19:38:54,806 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-17 19:38:54,806 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-17 19:38:54,807 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-17 19:38:54,807 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-17 19:38:54,807 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-17 19:38:54,808 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-17 19:38:54,808 INFO L153 SettingsManager]: * Future-live optimization=false [2024-09-17 19:38:54,808 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-17 19:38:54,808 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-17 19:38:54,809 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-17 19:38:54,809 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-17 19:38:54,809 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-17 19:38:54,809 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-17 19:38:54,809 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-09-17 19:38:54,810 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-09-17 19:38:54,810 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-17 19:38:54,810 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-17 19:38:54,811 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-17 19:38:54,811 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-17 19:38:54,811 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None [2024-09-17 19:38:55,038 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-17 19:38:55,057 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-17 19:38:55,059 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-17 19:38:55,060 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-17 19:38:55,061 INFO L274 PluginConnector]: CDTParser initialized [2024-09-17 19:38:55,062 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/loop-lit/bh2017-ex-add.i [2024-09-17 19:38:56,405 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-17 19:38:56,532 INFO L384 CDTParser]: Found 1 translation units. [2024-09-17 19:38:56,532 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-lit/bh2017-ex-add.i [2024-09-17 19:38:56,538 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/56164f2a6/f2ec9c3942924f11901a6d730550f9d4/FLAGe663f47cb [2024-09-17 19:38:56,967 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/56164f2a6/f2ec9c3942924f11901a6d730550f9d4 [2024-09-17 19:38:56,974 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-17 19:38:56,978 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-17 19:38:56,979 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/automizer-verification-files/SV-COMP24_unreach-call/bh2017-ex-add.yml/witness-2.1.yml [2024-09-17 19:38:57,024 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-17 19:38:57,025 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-09-17 19:38:57,027 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-17 19:38:57,027 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-17 19:38:57,031 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-17 19:38:57,032 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.09 07:38:56" (1/2) ... [2024-09-17 19:38:57,032 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4ae6d399 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 07:38:57, skipping insertion in model container [2024-09-17 19:38:57,034 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.09 07:38:56" (1/2) ... [2024-09-17 19:38:57,035 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@2368f5de and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 07:38:57, skipping insertion in model container [2024-09-17 19:38:57,036 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 17.09 07:38:57" (2/2) ... [2024-09-17 19:38:57,036 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4ae6d399 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 17.09 07:38:57, skipping insertion in model container [2024-09-17 19:38:57,036 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 17.09 07:38:57" (2/2) ... [2024-09-17 19:38:57,044 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-17 19:38:57,045 INFO L1541 ArrayList]: Loop invariant at [L18-L43] ((m <= 60) && (n <= 60)) [2024-09-17 19:38:57,045 INFO L1541 ArrayList]: Function contract at [L15]: requires null, ensures 0 [2024-09-17 19:38:57,045 INFO L1541 ArrayList]: Function contract at [L13]: requires (\old(cond) != 0), ensures (\old(cond) != 0) [2024-09-17 19:38:57,060 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-17 19:38:57,190 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-lit/bh2017-ex-add.i[802,815] [2024-09-17 19:38:57,207 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-17 19:38:57,214 INFO L200 MainTranslator]: Completed pre-run Start Parsing Global Start Parsing Global [2024-09-17 19:38:57,245 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-lit/bh2017-ex-add.i[802,815] Start Parsing Global Start Parsing Local [2024-09-17 19:38:57,252 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-17 19:38:57,269 INFO L204 MainTranslator]: Completed translation [2024-09-17 19:38:57,270 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 17.09 07:38:57 WrapperNode [2024-09-17 19:38:57,270 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-17 19:38:57,271 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-17 19:38:57,271 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-17 19:38:57,271 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-17 19:38:57,281 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 17.09 07:38:57" (1/1) ... [2024-09-17 19:38:57,281 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 17.09 07:38:57" (1/1) ... [2024-09-17 19:38:57,286 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 17.09 07:38:57" (1/1) ... [2024-09-17 19:38:57,295 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 [2024-09-17 19:38:57,295 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 17.09 07:38:57" (1/1) ... [2024-09-17 19:38:57,299 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 17.09 07:38:57" (1/1) ... [2024-09-17 19:38:57,302 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 17.09 07:38:57" (1/1) ... [2024-09-17 19:38:57,307 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 17.09 07:38:57" (1/1) ... [2024-09-17 19:38:57,308 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 17.09 07:38:57" (1/1) ... [2024-09-17 19:38:57,310 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 17.09 07:38:57" (1/1) ... [2024-09-17 19:38:57,315 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-17 19:38:57,316 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-17 19:38:57,316 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-17 19:38:57,316 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-17 19:38:57,317 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 17.09 07:38:57" (1/1) ... [2024-09-17 19:38:57,321 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-17 19:38:57,327 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-09-17 19:38:57,339 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) [2024-09-17 19:38:57,341 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 [2024-09-17 19:38:57,374 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-09-17 19:38:57,374 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-17 19:38:57,374 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-09-17 19:38:57,374 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-09-17 19:38:57,374 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-09-17 19:38:57,374 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-09-17 19:38:57,374 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_perror_fail [2024-09-17 19:38:57,374 INFO L130 BoogieDeclarations]: Found specification of procedure __assert [2024-09-17 19:38:57,375 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-09-17 19:38:57,375 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-09-17 19:38:57,375 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-17 19:38:57,375 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-09-17 19:38:57,375 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_bool [2024-09-17 19:38:57,375 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-09-17 19:38:57,375 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-09-17 19:38:57,376 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-09-17 19:38:57,376 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-17 19:38:57,376 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-09-17 19:38:57,376 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-09-17 19:38:57,376 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-09-17 19:38:57,427 INFO L242 CfgBuilder]: Building ICFG [2024-09-17 19:38:57,429 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-17 19:38:57,542 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-17 19:38:57,550 INFO L291 CfgBuilder]: Performing block encoding [2024-09-17 19:38:57,569 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-17 19:38:57,570 INFO L318 CfgBuilder]: Removed 1 assume(true) statements. [2024-09-17 19:38:57,570 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.09 07:38:57 BoogieIcfgContainer [2024-09-17 19:38:57,570 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-17 19:38:57,571 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-09-17 19:38:57,571 INFO L270 PluginConnector]: Initializing Referee... [2024-09-17 19:38:57,572 INFO L274 PluginConnector]: Referee initialized [2024-09-17 19:38:57,572 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 17.09 07:38:56" (1/4) ... [2024-09-17 19:38:57,573 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@586e513d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 17.09 07:38:57, skipping insertion in model container [2024-09-17 19:38:57,573 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 17.09 07:38:57" (2/4) ... [2024-09-17 19:38:57,573 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@586e513d and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 17.09 07:38:57, skipping insertion in model container [2024-09-17 19:38:57,573 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 17.09 07:38:57" (3/4) ... [2024-09-17 19:38:57,573 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@586e513d and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 17.09 07:38:57, skipping insertion in model container [2024-09-17 19:38:57,573 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.09 07:38:57" (4/4) ... [2024-09-17 19:38:57,574 INFO L79 RefereeObserver]: Analyzing ICFG bh2017-ex-add.i [2024-09-17 19:38:57,580 INFO L113 InvariantChecker]: Found 1 loops. [2024-09-17 19:38:57,581 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L32-1 to ERROR_LOC mainErr2REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 4 edges. [2024-09-17 19:38:57,581 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L32-1 to ERROR_LOC mainErr5ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 5 edges. [2024-09-17 19:38:57,581 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L32-1 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 23 edges. [2024-09-17 19:38:57,581 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 2 edges. [2024-09-17 19:38:57,581 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L32-1 to ERROR_LOC mainErr1REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 3 edges. [2024-09-17 19:38:57,582 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L32-1 to ERROR_LOC mainErr4REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 18 edges. [2024-09-17 19:38:57,582 INFO L373 InvariantChecker]: Will check inductivity from ENTRY __VERIFIER_assertENTRY to ERROR_LOC __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 5 edges. [2024-09-17 19:38:57,582 INFO L373 InvariantChecker]: Will check inductivity from ENTRY __VERIFIER_assertENTRY to ERROR_LOC __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 3 edges. [2024-09-17 19:38:57,582 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L32-1 to ERROR_LOC mainErr3REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 9 edges. [2024-09-17 19:38:57,583 INFO L131 InvariantChecker]: Will check 5 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 [2024-09-17 19:38:57,615 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 4 edges [2024-09-17 19:38:57,615 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-17 19:38:57,616 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-17 19:38:57,617 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-17 19:38:57,617 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-17 19:38:57,619 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-17 19:38:57,627 INFO L101 BaseMinimizeStates]: Removed 6 edges and 3 locations by large block encoding [2024-09-17 19:38:57,628 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-17 19:38:57,628 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-17 19:38:57,629 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-17 19:38:57,629 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-17 19:38:57,629 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-17 19:38:57,644 INFO L520 InvariantChecker]: The annotation(s) from loop head L32-1 to error location mainErr2REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-17 19:38:57,659 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 5 edges [2024-09-17 19:38:57,659 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-17 19:38:57,660 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-17 19:38:57,660 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-17 19:38:57,660 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-17 19:38:57,660 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-17 19:38:57,666 INFO L101 BaseMinimizeStates]: Removed 9 edges and 3 locations by large block encoding [2024-09-17 19:38:57,666 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-17 19:38:57,666 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-17 19:38:57,666 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-17 19:38:57,666 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-17 19:38:57,670 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-17 19:38:57,672 INFO L520 InvariantChecker]: The annotation(s) from loop head L32-1 to error location mainErr5ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-17 19:38:57,690 INFO L314 BlockEncoder]: Initial Icfg 18 locations, 23 edges [2024-09-17 19:38:57,691 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-17 19:38:57,691 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-17 19:38:57,691 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-17 19:38:57,691 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-17 19:38:57,695 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-17 19:38:57,825 INFO L101 BaseMinimizeStates]: Removed 60 edges and 16 locations by large block encoding [2024-09-17 19:38:57,825 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-17 19:38:57,826 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-17 19:38:57,826 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-17 19:38:57,826 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-17 19:38:57,866 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-17 19:38:57,878 INFO L520 InvariantChecker]: The annotation(s) from loop head L32-1 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-17 19:38:57,884 INFO L314 BlockEncoder]: Initial Icfg 3 locations, 2 edges [2024-09-17 19:38:57,885 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-17 19:38:57,885 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-17 19:38:57,885 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-17 19:38:57,885 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-17 19:38:57,885 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-17 19:38:57,886 INFO L101 BaseMinimizeStates]: Removed 2 edges and 1 locations by large block encoding [2024-09-17 19:38:57,886 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-17 19:38:57,886 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-17 19:38:57,887 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-17 19:38:57,887 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-17 19:38:57,887 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-17 19:38:57,891 INFO L520 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-17 19:38:57,896 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-17 19:38:57,896 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-17 19:38:57,897 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-17 19:38:57,897 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-17 19:38:57,897 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-17 19:38:57,897 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-17 19:38:57,898 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-17 19:38:57,898 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-17 19:38:57,898 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-17 19:38:57,898 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-17 19:38:57,899 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-17 19:38:57,899 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-17 19:38:57,900 INFO L520 InvariantChecker]: The annotation(s) from loop head L32-1 to error location mainErr1REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-17 19:38:57,914 INFO L314 BlockEncoder]: Initial Icfg 16 locations, 18 edges [2024-09-17 19:38:57,915 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-17 19:38:57,915 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-17 19:38:57,915 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-17 19:38:57,915 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-17 19:38:57,915 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-17 19:38:57,997 INFO L101 BaseMinimizeStates]: Removed 46 edges and 14 locations by large block encoding [2024-09-17 19:38:57,997 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-17 19:38:57,997 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-17 19:38:57,997 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-17 19:38:57,997 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-17 19:38:58,005 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-17 19:38:58,011 INFO L520 InvariantChecker]: The annotation(s) from loop head L32-1 to error location mainErr4REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-17 19:38:58,019 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 5 edges [2024-09-17 19:38:58,019 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-17 19:38:58,019 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-17 19:38:58,019 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-17 19:38:58,019 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-17 19:38:58,019 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-17 19:38:58,020 INFO L101 BaseMinimizeStates]: Removed 8 edges and 3 locations by large block encoding [2024-09-17 19:38:58,020 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-17 19:38:58,021 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-17 19:38:58,021 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-17 19:38:58,021 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-17 19:38:58,021 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-17 19:38:58,023 INFO L520 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-17 19:38:58,029 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-17 19:38:58,029 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-17 19:38:58,030 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-17 19:38:58,030 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-17 19:38:58,030 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-17 19:38:58,031 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-17 19:38:58,031 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-17 19:38:58,032 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-17 19:38:58,032 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-17 19:38:58,033 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-17 19:38:58,033 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-17 19:38:58,033 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-17 19:38:58,035 INFO L520 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION is inductive. [2024-09-17 19:38:58,039 INFO L314 BlockEncoder]: Initial Icfg 10 locations, 9 edges [2024-09-17 19:38:58,040 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-17 19:38:58,040 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-17 19:38:58,040 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-17 19:38:58,040 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-17 19:38:58,040 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-17 19:38:58,046 INFO L101 BaseMinimizeStates]: Removed 16 edges and 8 locations by large block encoding [2024-09-17 19:38:58,046 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-17 19:38:58,046 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-17 19:38:58,046 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-17 19:38:58,046 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-17 19:38:58,046 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-17 19:38:58,049 INFO L520 InvariantChecker]: The annotation(s) from loop head L32-1 to error location mainErr3REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-17 19:38:58,051 INFO L58 RefereeStarter]: Annotation is a valid proof of correctness. [2024-09-17 19:38:58,052 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@586e513d and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CFG 17.09 07:38:58, skipping insertion in model container [2024-09-17 19:38:58,052 INFO L131 PluginConnector]: ------------------------ END Referee---------------------------- [2024-09-17 19:38:58,053 INFO L158 Benchmark]: Toolchain (without parser) took 1027.86ms. Allocated memory is still 257.9MB. Free memory was 185.6MB in the beginning and 206.7MB in the end (delta: -21.1MB). Peak memory consumption was 86.3MB. Max. memory is 16.1GB. [2024-09-17 19:38:58,054 INFO L158 Benchmark]: CDTParser took 0.13ms. Allocated memory is still 140.5MB. Free memory is still 108.9MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-17 19:38:58,055 INFO L158 Benchmark]: Witness Parser took 0.11ms. Allocated memory is still 257.9MB. Free memory was 187.7MB in the beginning and 187.3MB in the end (delta: 412.4kB). There was no memory consumed. Max. memory is 16.1GB. [2024-09-17 19:38:58,055 INFO L158 Benchmark]: CACSL2BoogieTranslator took 243.59ms. Allocated memory is still 257.9MB. Free memory was 185.2MB in the beginning and 172.2MB in the end (delta: 13.0MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-09-17 19:38:58,056 INFO L158 Benchmark]: Boogie Preprocessor took 44.75ms. Allocated memory is still 257.9MB. Free memory was 172.2MB in the beginning and 170.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-09-17 19:38:58,056 INFO L158 Benchmark]: RCFGBuilder took 253.99ms. Allocated memory is still 257.9MB. Free memory was 170.1MB in the beginning and 156.2MB in the end (delta: 13.9MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-09-17 19:38:58,056 INFO L158 Benchmark]: Referee took 481.47ms. Allocated memory is still 257.9MB. Free memory was 156.2MB in the beginning and 206.7MB in the end (delta: -50.5MB). Peak memory consumption was 56.9MB. Max. memory is 16.1GB. [2024-09-17 19:38:58,059 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 18 to exit of procedure main. Annotation is valid for all loop-free paths from loop head at line 18 to check that procedure precondition always holds at line 27. Annotation is valid for all loop-free paths from loop head at line 18 to loop head at line 18. Annotation is valid for all loop-free paths from loop head at line 18 to check that procedure precondition always holds at line 38. Annotation is valid for all loop-free paths from entry of procedure main to loop head at line 18. 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 18 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. Annotation is valid for all loop-free paths from loop head at line 18 to check that procedure precondition always holds at line 19. * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13ms. Allocated memory is still 140.5MB. Free memory is still 108.9MB. There was no memory consumed. Max. memory is 16.1GB. * Witness Parser took 0.11ms. Allocated memory is still 257.9MB. Free memory was 187.7MB in the beginning and 187.3MB in the end (delta: 412.4kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 243.59ms. Allocated memory is still 257.9MB. Free memory was 185.2MB in the beginning and 172.2MB in the end (delta: 13.0MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Preprocessor took 44.75ms. Allocated memory is still 257.9MB. Free memory was 172.2MB in the beginning and 170.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 253.99ms. Allocated memory is still 257.9MB. Free memory was 170.1MB in the beginning and 156.2MB in the end (delta: 13.9MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Referee took 481.47ms. Allocated memory is still 257.9MB. Free memory was 156.2MB in the beginning and 206.7MB in the end (delta: -50.5MB). Peak memory consumption was 56.9MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2024-09-17 19:38:58,084 INFO L540 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/referee/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE