./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/loop-lit/mine2017-ex4.8.i --full-output --witness-type correctness_witness --validate ../results/automizer-verification-files/SV-COMP24_unreach-call/mine2017-ex4.8.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/mine2017-ex4.8.i ../results/automizer-verification-files/SV-COMP24_unreach-call/mine2017-ex4.8.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 19:39:14,025 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-17 19:39:14,094 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Default.epf [2024-09-17 19:39:14,102 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-17 19:39:14,103 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-17 19:39:14,136 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-17 19:39:14,137 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-17 19:39:14,137 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-17 19:39:14,138 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-17 19:39:14,138 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-17 19:39:14,139 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-17 19:39:14,139 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-17 19:39:14,139 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-17 19:39:14,140 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-17 19:39:14,140 INFO L153 SettingsManager]: * Use SBE=true [2024-09-17 19:39:14,140 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-17 19:39:14,141 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-17 19:39:14,144 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-17 19:39:14,144 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-09-17 19:39:14,145 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-17 19:39:14,145 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-17 19:39:14,146 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-17 19:39:14,150 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-17 19:39:14,151 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-17 19:39:14,151 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-17 19:39:14,151 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-17 19:39:14,151 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-17 19:39:14,151 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-17 19:39:14,152 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-17 19:39:14,152 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-17 19:39:14,152 INFO L153 SettingsManager]: * Future-live optimization=false [2024-09-17 19:39:14,152 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-17 19:39:14,152 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-17 19:39:14,153 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-17 19:39:14,153 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-17 19:39:14,154 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-17 19:39:14,154 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-17 19:39:14,154 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-09-17 19:39:14,155 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-09-17 19:39:14,156 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-17 19:39:14,156 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-17 19:39:14,156 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-17 19:39:14,156 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-17 19:39:14,157 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None [2024-09-17 19:39:14,455 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-17 19:39:14,478 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-17 19:39:14,481 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-17 19:39:14,482 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-17 19:39:14,483 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-17 19:39:14,485 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/automizer-verification-files/SV-COMP24_unreach-call/mine2017-ex4.8.yml/witness-2.1.yml [2024-09-17 19:39:14,536 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-17 19:39:14,537 INFO L274 PluginConnector]: CDTParser initialized [2024-09-17 19:39:14,539 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/loop-lit/mine2017-ex4.8.i [2024-09-17 19:39:16,002 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-17 19:39:16,210 INFO L384 CDTParser]: Found 1 translation units. [2024-09-17 19:39:16,211 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-lit/mine2017-ex4.8.i [2024-09-17 19:39:16,219 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/2f5848ea3/f61a0ee627e64028b7bd3980b501d851/FLAG998033755 [2024-09-17 19:39:16,239 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/2f5848ea3/f61a0ee627e64028b7bd3980b501d851 [2024-09-17 19:39:16,240 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-17 19:39:16,242 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-09-17 19:39:16,243 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-17 19:39:16,243 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-17 19:39:16,251 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-17 19:39:16,252 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 07:39:14" (1/2) ... [2024-09-17 19:39:16,253 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@59182af9 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 17.09 07:39:16, skipping insertion in model container [2024-09-17 19:39:16,253 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 07:39:14" (1/2) ... [2024-09-17 19:39:16,254 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@5a1d0329 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 17.09 07:39:16, skipping insertion in model container [2024-09-17 19:39:16,257 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.09 07:39:16" (2/2) ... [2024-09-17 19:39:16,257 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@59182af9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 07:39:16, skipping insertion in model container [2024-09-17 19:39:16,257 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.09 07:39:16" (2/2) ... [2024-09-17 19:39:16,268 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-17 19:39:16,268 INFO L1541 ArrayList]: Loop invariant at [L17-L22] ((v <= 1) && (0 <= v)) [2024-09-17 19:39:16,272 INFO L1541 ArrayList]: Function contract at [L13]: requires (\old(cond) != 0), ensures (\old(cond) != 0) [2024-09-17 19:39:16,308 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-17 19:39:16,491 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/mine2017-ex4.8.i[812,825] [2024-09-17 19:39:16,504 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-17 19:39:16,514 INFO L200 MainTranslator]: Completed pre-run Start Parsing Global Start Parsing Global [2024-09-17 19:39:16,551 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/mine2017-ex4.8.i[812,825] Start Parsing Local [2024-09-17 19:39:16,555 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-17 19:39:16,572 INFO L204 MainTranslator]: Completed translation [2024-09-17 19:39:16,573 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 07:39:16 WrapperNode [2024-09-17 19:39:16,573 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-17 19:39:16,574 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-17 19:39:16,574 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-17 19:39:16,574 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-17 19:39:16,586 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 07:39:16" (1/1) ... [2024-09-17 19:39:16,586 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 07:39:16" (1/1) ... [2024-09-17 19:39:16,592 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 07:39:16" (1/1) ... [2024-09-17 19:39:16,611 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 19:39:16,611 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 07:39:16" (1/1) ... [2024-09-17 19:39:16,612 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 07:39:16" (1/1) ... [2024-09-17 19:39:16,615 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 07:39:16" (1/1) ... [2024-09-17 19:39:16,619 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 07:39:16" (1/1) ... [2024-09-17 19:39:16,620 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 07:39:16" (1/1) ... [2024-09-17 19:39:16,621 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 07:39:16" (1/1) ... [2024-09-17 19:39:16,622 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-17 19:39:16,624 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-17 19:39:16,624 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-17 19:39:16,624 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-17 19:39:16,625 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 07:39:16" (1/1) ... [2024-09-17 19:39:16,630 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-17 19:39:16,639 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-09-17 19:39:16,655 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 19:39:16,661 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 19:39:16,703 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-09-17 19:39:16,703 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-17 19:39:16,704 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-09-17 19:39:16,704 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-09-17 19:39:16,704 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-09-17 19:39:16,704 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-09-17 19:39:16,704 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_perror_fail [2024-09-17 19:39:16,704 INFO L130 BoogieDeclarations]: Found specification of procedure __assert [2024-09-17 19:39:16,706 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-09-17 19:39:16,706 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-09-17 19:39:16,706 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-17 19:39:16,706 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-09-17 19:39:16,706 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_bool [2024-09-17 19:39:16,706 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-09-17 19:39:16,707 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-09-17 19:39:16,707 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-09-17 19:39:16,707 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-17 19:39:16,707 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-09-17 19:39:16,707 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-09-17 19:39:16,707 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-09-17 19:39:16,780 INFO L242 CfgBuilder]: Building ICFG [2024-09-17 19:39:16,794 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-17 19:39:16,915 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-17 19:39:16,931 INFO L291 CfgBuilder]: Performing block encoding [2024-09-17 19:39:16,959 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-17 19:39:16,960 INFO L318 CfgBuilder]: Removed 1 assume(true) statements. [2024-09-17 19:39:16,960 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.09 07:39:16 BoogieIcfgContainer [2024-09-17 19:39:16,961 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-17 19:39:16,961 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-09-17 19:39:16,962 INFO L270 PluginConnector]: Initializing Referee... [2024-09-17 19:39:16,962 INFO L274 PluginConnector]: Referee initialized [2024-09-17 19:39:16,963 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 07:39:14" (1/4) ... [2024-09-17 19:39:16,963 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@b370078 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 17.09 07:39:16, skipping insertion in model container [2024-09-17 19:39:16,964 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 17.09 07:39:16" (2/4) ... [2024-09-17 19:39:16,964 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@b370078 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 17.09 07:39:16, skipping insertion in model container [2024-09-17 19:39:16,964 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 07:39:16" (3/4) ... [2024-09-17 19:39:16,964 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@b370078 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 17.09 07:39:16, skipping insertion in model container [2024-09-17 19:39:16,965 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.09 07:39:16" (4/4) ... [2024-09-17 19:39:16,966 INFO L79 RefereeObserver]: Analyzing ICFG mine2017-ex4.8.i [2024-09-17 19:39:16,969 INFO L113 InvariantChecker]: Found 1 loops. [2024-09-17 19:39:16,969 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L20-1 to ERROR_LOC mainErr2REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 5 edges. [2024-09-17 19:39:16,970 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L20-1 to ERROR_LOC mainErr1REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 4 edges. [2024-09-17 19:39:16,970 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 19:39:16,970 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L20-1 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 8 edges. [2024-09-17 19:39:16,970 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 19:39:16,970 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 19:39:16,971 INFO L131 InvariantChecker]: Will check 1 loop-free subgraphs from procedure entry to loop head, 2 loop-free subgraphs from procedure entry to error location, 2 loop-free subgraphs from loop head to error location, 1 loop-free subgraphs from loop head to loop head [2024-09-17 19:39:17,013 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 5 edges [2024-09-17 19:39:17,014 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-17 19:39:17,015 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-17 19:39:17,015 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-17 19:39:17,016 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-17 19:39:17,018 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-17 19:39:17,047 INFO L101 BaseMinimizeStates]: Removed 8 edges and 4 locations by large block encoding [2024-09-17 19:39:17,049 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-17 19:39:17,049 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-17 19:39:17,049 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-17 19:39:17,050 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-17 19:39:17,050 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-17 19:39:17,065 INFO L520 InvariantChecker]: The annotation(s) from loop head L20-1 to error location mainErr2REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-17 19:39:17,075 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 4 edges [2024-09-17 19:39:17,075 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-17 19:39:17,075 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-17 19:39:17,075 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-17 19:39:17,076 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-17 19:39:17,076 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-17 19:39:17,082 INFO L101 BaseMinimizeStates]: Removed 6 edges and 3 locations by large block encoding [2024-09-17 19:39:17,083 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-17 19:39:17,083 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-17 19:39:17,083 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-17 19:39:17,083 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-17 19:39:17,083 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-17 19:39:17,086 INFO L520 InvariantChecker]: The annotation(s) from loop head L20-1 to error location mainErr1REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-17 19:39:17,096 INFO L314 BlockEncoder]: Initial Icfg 3 locations, 2 edges [2024-09-17 19:39:17,100 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-17 19:39:17,100 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-17 19:39:17,101 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-17 19:39:17,101 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-17 19:39:17,101 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-17 19:39:17,102 INFO L101 BaseMinimizeStates]: Removed 2 edges and 1 locations by large block encoding [2024-09-17 19:39:17,106 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-17 19:39:17,106 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-17 19:39:17,106 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-17 19:39:17,106 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-17 19:39:17,107 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-17 19:39:17,112 INFO L520 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-17 19:39:17,120 INFO L314 BlockEncoder]: Initial Icfg 8 locations, 8 edges [2024-09-17 19:39:17,120 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-17 19:39:17,120 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-17 19:39:17,120 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-17 19:39:17,121 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-17 19:39:17,121 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-17 19:39:17,136 INFO L101 BaseMinimizeStates]: Removed 14 edges and 6 locations by large block encoding [2024-09-17 19:39:17,137 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-17 19:39:17,137 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-17 19:39:17,137 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-17 19:39:17,137 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-17 19:39:17,149 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-17 19:39:17,152 INFO L520 InvariantChecker]: The annotation(s) from loop head L20-1 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-17 19:39:17,161 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 5 edges [2024-09-17 19:39:17,162 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-17 19:39:17,162 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-17 19:39:17,162 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-17 19:39:17,162 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-17 19:39:17,162 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-17 19:39:17,165 INFO L101 BaseMinimizeStates]: Removed 8 edges and 3 locations by large block encoding [2024-09-17 19:39:17,165 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-17 19:39:17,165 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-17 19:39:17,166 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-17 19:39:17,166 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-17 19:39:17,166 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-17 19:39:17,168 INFO L520 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-17 19:39:17,175 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-17 19:39:17,175 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-17 19:39:17,175 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-17 19:39:17,175 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-17 19:39:17,175 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-17 19:39:17,176 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-17 19:39:17,181 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-17 19:39:17,181 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-17 19:39:17,181 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-17 19:39:17,181 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-17 19:39:17,181 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-17 19:39:17,181 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-17 19:39:17,185 INFO L520 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION is inductive. [2024-09-17 19:39:17,188 INFO L58 RefereeStarter]: Annotation is a valid proof of correctness. [2024-09-17 19:39:17,188 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@b370078 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee CFG 17.09 07:39:17, skipping insertion in model container [2024-09-17 19:39:17,188 INFO L131 PluginConnector]: ------------------------ END Referee---------------------------- [2024-09-17 19:39:17,190 INFO L158 Benchmark]: Toolchain (without parser) took 947.99ms. Allocated memory is still 144.7MB. Free memory was 68.0MB in the beginning and 95.4MB in the end (delta: -27.3MB). There was no memory consumed. Max. memory is 16.1GB. [2024-09-17 19:39:17,190 INFO L158 Benchmark]: Witness Parser took 0.21ms. Allocated memory is still 144.7MB. Free memory is still 116.1MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-17 19:39:17,191 INFO L158 Benchmark]: CDTParser took 0.19ms. Allocated memory is still 144.7MB. Free memory is still 114.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-17 19:39:17,191 INFO L158 Benchmark]: CACSL2BoogieTranslator took 330.21ms. Allocated memory is still 144.7MB. Free memory was 67.8MB in the beginning and 108.8MB in the end (delta: -41.0MB). Peak memory consumption was 8.1MB. Max. memory is 16.1GB. [2024-09-17 19:39:17,192 INFO L158 Benchmark]: Boogie Preprocessor took 48.97ms. Allocated memory is still 144.7MB. Free memory was 108.8MB in the beginning and 107.5MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-09-17 19:39:17,194 INFO L158 Benchmark]: RCFGBuilder took 337.00ms. Allocated memory is still 144.7MB. Free memory was 107.5MB in the beginning and 111.3MB in the end (delta: -3.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-09-17 19:39:17,195 INFO L158 Benchmark]: Referee took 227.29ms. Allocated memory is still 144.7MB. Free memory was 111.3MB in the beginning and 95.4MB in the end (delta: 16.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-09-17 19:39:17,198 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 17 to check that procedure precondition always holds at line 18. Annotation is valid for all loop-free paths from loop head at line 17 to loop head at line 17. 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 17. Annotation is valid for all loop-free paths from loop head at line 17 to check that procedure precondition always holds 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. * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Witness Parser took 0.21ms. Allocated memory is still 144.7MB. Free memory is still 116.1MB. There was no memory consumed. Max. memory is 16.1GB. * CDTParser took 0.19ms. Allocated memory is still 144.7MB. Free memory is still 114.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 330.21ms. Allocated memory is still 144.7MB. Free memory was 67.8MB in the beginning and 108.8MB in the end (delta: -41.0MB). Peak memory consumption was 8.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 48.97ms. Allocated memory is still 144.7MB. Free memory was 108.8MB in the beginning and 107.5MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 337.00ms. Allocated memory is still 144.7MB. Free memory was 107.5MB in the beginning and 111.3MB in the end (delta: -3.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Referee took 227.29ms. Allocated memory is still 144.7MB. Free memory was 111.3MB in the beginning and 95.4MB in the end (delta: 16.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2024-09-17 19:39:17,229 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