./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/loop-lit/css2003.i --full-output --witness-type correctness_witness --validate ../results/automizer-verification-files/SV-COMP24_unreach-call/css2003.yml/witness-2.1.yml --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 6908dde5 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/loop-lit/css2003.i ../results/automizer-verification-files/SV-COMP24_unreach-call/css2003.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-6908dde-m [2024-09-25 00:27:15,058 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-25 00:27:15,113 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Default.epf [2024-09-25 00:27:15,117 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-25 00:27:15,118 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-25 00:27:15,134 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-25 00:27:15,134 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-25 00:27:15,135 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-25 00:27:15,135 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-25 00:27:15,135 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-25 00:27:15,136 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-25 00:27:15,136 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-25 00:27:15,136 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-25 00:27:15,137 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-25 00:27:15,137 INFO L153 SettingsManager]: * Use SBE=true [2024-09-25 00:27:15,137 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-25 00:27:15,137 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-25 00:27:15,138 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-25 00:27:15,138 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-09-25 00:27:15,140 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-25 00:27:15,142 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-25 00:27:15,142 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-25 00:27:15,143 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-25 00:27:15,143 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-25 00:27:15,143 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-25 00:27:15,144 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-25 00:27:15,144 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-25 00:27:15,144 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-25 00:27:15,145 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-25 00:27:15,145 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-25 00:27:15,145 INFO L153 SettingsManager]: * Future-live optimization=false [2024-09-25 00:27:15,145 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-25 00:27:15,146 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-25 00:27:15,146 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-25 00:27:15,146 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-25 00:27:15,147 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-25 00:27:15,147 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-25 00:27:15,147 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-09-25 00:27:15,147 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-09-25 00:27:15,147 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-25 00:27:15,147 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-25 00:27:15,148 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-25 00:27:15,148 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-25 00:27:15,148 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None [2024-09-25 00:27:15,396 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-25 00:27:15,418 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-25 00:27:15,422 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-25 00:27:15,423 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-25 00:27:15,424 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-25 00:27:15,425 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/automizer-verification-files/SV-COMP24_unreach-call/css2003.yml/witness-2.1.yml [2024-09-25 00:27:15,469 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-25 00:27:15,472 INFO L274 PluginConnector]: CDTParser initialized [2024-09-25 00:27:15,474 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/loop-lit/css2003.i [2024-09-25 00:27:16,781 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-25 00:27:17,019 INFO L384 CDTParser]: Found 1 translation units. [2024-09-25 00:27:17,019 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-lit/css2003.i [2024-09-25 00:27:17,025 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/20d864509/014fb2e13b2642daaeb5b6de32a55387/FLAG43c804c43 [2024-09-25 00:27:17,041 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/20d864509/014fb2e13b2642daaeb5b6de32a55387 [2024-09-25 00:27:17,042 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-25 00:27:17,043 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-09-25 00:27:17,044 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-25 00:27:17,045 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-25 00:27:17,050 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-25 00:27:17,051 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 25.09 12:27:15" (1/2) ... [2024-09-25 00:27:17,051 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4270a7ba and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 25.09 12:27:17, skipping insertion in model container [2024-09-25 00:27:17,051 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 25.09 12:27:15" (1/2) ... [2024-09-25 00:27:17,052 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@30dc971d and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 25.09 12:27:17, skipping insertion in model container [2024-09-25 00:27:17,054 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 12:27:17" (2/2) ... [2024-09-25 00:27:17,054 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4270a7ba and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:27:17, skipping insertion in model container [2024-09-25 00:27:17,055 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 12:27:17" (2/2) ... [2024-09-25 00:27:17,061 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-25 00:27:17,064 INFO L1541 ArrayList]: Loop invariant at [L30-L35] ((((2 <= i) && (((long long) i + k) <= 2)) && (1 <= ((long long) i + k))) || (((0 <= k) && (k <= 1)) && (i == 1))) [2024-09-25 00:27:17,064 INFO L1541 ArrayList]: Function contract at [L17]: requires (cond != 0), ensures (cond != 0) [2024-09-25 00:27:17,079 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-25 00:27:17,193 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/css2003.i[895,908] [2024-09-25 00:27:17,204 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-25 00:27:17,214 INFO L200 MainTranslator]: Completed pre-run Start Parsing Global Start Parsing Global [2024-09-25 00:27:17,247 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/css2003.i[895,908] Start Parsing Local [2024-09-25 00:27:17,256 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-25 00:27:17,270 INFO L204 MainTranslator]: Completed translation [2024-09-25 00:27:17,271 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:27:17 WrapperNode [2024-09-25 00:27:17,271 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-25 00:27:17,272 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-25 00:27:17,272 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-25 00:27:17,273 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-25 00:27:17,282 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:27:17" (1/1) ... [2024-09-25 00:27:17,283 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:27:17" (1/1) ... [2024-09-25 00:27:17,290 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:27:17" (1/1) ... [2024-09-25 00:27:17,302 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 [2024-09-25 00:27:17,303 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:27:17" (1/1) ... [2024-09-25 00:27:17,303 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:27:17" (1/1) ... [2024-09-25 00:27:17,309 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:27:17" (1/1) ... [2024-09-25 00:27:17,313 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:27:17" (1/1) ... [2024-09-25 00:27:17,315 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:27:17" (1/1) ... [2024-09-25 00:27:17,316 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:27:17" (1/1) ... [2024-09-25 00:27:17,317 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-25 00:27:17,322 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-25 00:27:17,322 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-25 00:27:17,322 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-25 00:27:17,323 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:27:17" (1/1) ... [2024-09-25 00:27:17,331 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-25 00:27:17,340 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-09-25 00:27:17,358 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) [2024-09-25 00:27:17,364 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 [2024-09-25 00:27:17,408 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-09-25 00:27:17,409 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-25 00:27:17,412 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-09-25 00:27:17,412 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-09-25 00:27:17,413 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-09-25 00:27:17,413 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-09-25 00:27:17,413 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-09-25 00:27:17,413 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-09-25 00:27:17,413 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_perror_fail [2024-09-25 00:27:17,413 INFO L130 BoogieDeclarations]: Found specification of procedure __assert [2024-09-25 00:27:17,413 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-09-25 00:27:17,413 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-25 00:27:17,414 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-09-25 00:27:17,414 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-09-25 00:27:17,414 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2024-09-25 00:27:17,414 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-09-25 00:27:17,414 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-09-25 00:27:17,414 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-09-25 00:27:17,414 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-25 00:27:17,414 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-09-25 00:27:17,414 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-09-25 00:27:17,414 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-09-25 00:27:17,472 INFO L241 CfgBuilder]: Building ICFG [2024-09-25 00:27:17,474 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-25 00:27:17,548 WARN L782 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-25 00:27:17,555 INFO L290 CfgBuilder]: Performing block encoding [2024-09-25 00:27:17,571 INFO L312 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-25 00:27:17,572 INFO L317 CfgBuilder]: Removed 1 assume(true) statements. [2024-09-25 00:27:17,572 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 12:27:17 BoogieIcfgContainer [2024-09-25 00:27:17,572 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-25 00:27:17,573 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-09-25 00:27:17,573 INFO L270 PluginConnector]: Initializing Referee... [2024-09-25 00:27:17,573 INFO L274 PluginConnector]: Referee initialized [2024-09-25 00:27:17,573 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 25.09 12:27:15" (1/4) ... [2024-09-25 00:27:17,574 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@579c06aa and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 25.09 12:27:17, skipping insertion in model container [2024-09-25 00:27:17,574 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 25.09 12:27:17" (2/4) ... [2024-09-25 00:27:17,574 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@579c06aa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 25.09 12:27:17, skipping insertion in model container [2024-09-25 00:27:17,574 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:27:17" (3/4) ... [2024-09-25 00:27:17,574 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@579c06aa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 25.09 12:27:17, skipping insertion in model container [2024-09-25 00:27:17,574 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 12:27:17" (4/4) ... [2024-09-25 00:27:17,575 INFO L79 RefereeObserver]: Analyzing ICFG css2003.i [2024-09-25 00:27:17,578 INFO L113 InvariantChecker]: Found 1 loops. [2024-09-25 00:27:17,579 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L34-1 to ERROR_LOC mainErr1REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 3 edges. [2024-09-25 00:27:17,579 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 3 edges. [2024-09-25 00:27:17,579 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L34-1 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 4 edges. [2024-09-25 00:27:17,579 INFO L373 InvariantChecker]: Will check inductivity from ENTRY __VERIFIER_assertENTRY to ERROR_LOC __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 5 edges. [2024-09-25 00:27:17,579 INFO L373 InvariantChecker]: Will check inductivity from ENTRY __VERIFIER_assertENTRY to ERROR_LOC __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 3 edges. [2024-09-25 00:27:17,580 INFO L131 InvariantChecker]: Will check 1 loop-free subgraphs from procedure entry to loop head, 1 loop-free subgraphs from loop head to error location, 2 loop-free subgraphs from procedure entry to error location, 1 loop-free subgraphs from loop head to loop head [2024-09-25 00:27:17,620 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-25 00:27:17,621 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 00:27:17,621 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 00:27:17,625 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 00:27:17,625 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 00:27:17,627 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:27:17,640 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-25 00:27:17,644 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:27:17,645 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 00:27:17,646 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 00:27:17,647 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 00:27:17,647 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 00:27:17,662 INFO L520 InvariantChecker]: The annotation(s) from loop head L34-1 to error location mainErr1REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-25 00:27:17,674 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-25 00:27:17,675 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 00:27:17,675 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 00:27:17,677 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 00:27:17,677 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 00:27:17,677 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:27:17,681 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-25 00:27:17,682 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:27:17,682 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 00:27:17,682 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 00:27:17,682 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 00:27:17,682 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 00:27:17,691 INFO L520 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-25 00:27:17,699 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 4 edges [2024-09-25 00:27:17,699 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 00:27:17,699 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 00:27:17,699 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 00:27:17,699 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 00:27:17,700 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:27:17,707 INFO L101 BaseMinimizeStates]: Removed 6 edges and 3 locations by large block encoding [2024-09-25 00:27:17,708 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:27:17,708 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 00:27:17,708 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 00:27:17,708 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 00:27:17,708 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 00:27:17,711 INFO L520 InvariantChecker]: The annotation(s) from loop head L34-1 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-25 00:27:17,721 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 5 edges [2024-09-25 00:27:17,721 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 00:27:17,721 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 00:27:17,721 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 00:27:17,722 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 00:27:17,722 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:27:17,728 INFO L101 BaseMinimizeStates]: Removed 8 edges and 3 locations by large block encoding [2024-09-25 00:27:17,729 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:27:17,729 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 00:27:17,729 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 00:27:17,729 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 00:27:17,735 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 00:27:17,745 INFO L520 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-25 00:27:17,752 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-25 00:27:17,752 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 00:27:17,753 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 00:27:17,753 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 00:27:17,753 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 00:27:17,753 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:27:17,755 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-25 00:27:17,755 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:27:17,755 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 00:27:17,755 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 00:27:17,755 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 00:27:17,755 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 00:27:17,761 INFO L520 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION is inductive. [2024-09-25 00:27:17,765 INFO L58 RefereeStarter]: Annotation is a valid proof of correctness. [2024-09-25 00:27:17,765 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@579c06aa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee CFG 25.09 12:27:17, skipping insertion in model container [2024-09-25 00:27:17,766 INFO L131 PluginConnector]: ------------------------ END Referee---------------------------- [2024-09-25 00:27:17,767 INFO L158 Benchmark]: Toolchain (without parser) took 723.41ms. Allocated memory is still 186.6MB. Free memory was 158.6MB in the beginning and 116.9MB in the end (delta: 41.8MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. [2024-09-25 00:27:17,768 INFO L158 Benchmark]: Witness Parser took 0.16ms. Allocated memory is still 186.6MB. Free memory was 163.0MB in the beginning and 162.8MB in the end (delta: 181.8kB). There was no memory consumed. Max. memory is 16.1GB. [2024-09-25 00:27:17,769 INFO L158 Benchmark]: CDTParser took 0.11ms. Allocated memory is still 186.6MB. Free memory is still 160.9MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-25 00:27:17,769 INFO L158 Benchmark]: CACSL2BoogieTranslator took 227.29ms. Allocated memory is still 186.6MB. Free memory was 158.6MB in the beginning and 145.7MB in the end (delta: 12.9MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-09-25 00:27:17,769 INFO L158 Benchmark]: Boogie Preprocessor took 48.68ms. Allocated memory is still 186.6MB. Free memory was 145.7MB in the beginning and 143.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-09-25 00:27:17,770 INFO L158 Benchmark]: RCFGBuilder took 250.41ms. Allocated memory is still 186.6MB. Free memory was 143.6MB in the beginning and 131.5MB in the end (delta: 12.1MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-09-25 00:27:17,770 INFO L158 Benchmark]: Referee took 192.97ms. Allocated memory is still 186.6MB. Free memory was 131.5MB in the beginning and 116.9MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-09-25 00:27:17,775 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.referee: - AnnotationCheckResult: Annotation is a valid proof of correctness. Annotation is a valid proof of correctness. Annotation is valid for all loop-free paths from entry of procedure main to loop head at line 30. Annotation is valid for all loop-free paths from loop head at line 30 to check that procedure precondition always holds at line 34. 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 __VERIFIER_assert to check that a call to reach_error is unreachable at line 19. Annotation is valid for all loop-free paths from loop head at line 30 to loop head at line 30. * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Witness Parser took 0.16ms. Allocated memory is still 186.6MB. Free memory was 163.0MB in the beginning and 162.8MB in the end (delta: 181.8kB). There was no memory consumed. Max. memory is 16.1GB. * CDTParser took 0.11ms. Allocated memory is still 186.6MB. Free memory is still 160.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 227.29ms. Allocated memory is still 186.6MB. Free memory was 158.6MB in the beginning and 145.7MB in the end (delta: 12.9MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Preprocessor took 48.68ms. Allocated memory is still 186.6MB. Free memory was 145.7MB in the beginning and 143.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 250.41ms. Allocated memory is still 186.6MB. Free memory was 143.6MB in the beginning and 131.5MB in the end (delta: 12.1MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Referee took 192.97ms. Allocated memory is still 186.6MB. Free memory was 131.5MB in the beginning and 116.9MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2024-09-25 00:27:17,797 INFO L552 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/referee/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE