./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/loops/string-1.i --full-output --witness-type correctness_witness --validate ../results/automizer-verification-files/SV-COMP24_unreach-call/string-1.yml/witness-2.1.yml --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version f1d7dc9d 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/loops/string-1.i ../results/automizer-verification-files/SV-COMP24_unreach-call/string-1.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-f1d7dc9-m [2024-09-20 13:25:03,034 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-20 13:25:03,106 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Default.epf [2024-09-20 13:25:03,113 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-20 13:25:03,115 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-20 13:25:03,152 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-20 13:25:03,152 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-20 13:25:03,153 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-20 13:25:03,154 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-20 13:25:03,159 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-20 13:25:03,159 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-20 13:25:03,159 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-20 13:25:03,160 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-20 13:25:03,160 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-20 13:25:03,160 INFO L153 SettingsManager]: * Use SBE=true [2024-09-20 13:25:03,161 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-20 13:25:03,161 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-20 13:25:03,161 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-20 13:25:03,161 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-09-20 13:25:03,162 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-20 13:25:03,162 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-20 13:25:03,163 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-20 13:25:03,164 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-20 13:25:03,165 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-20 13:25:03,165 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-20 13:25:03,165 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-20 13:25:03,166 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-20 13:25:03,166 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-20 13:25:03,166 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-20 13:25:03,166 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-20 13:25:03,167 INFO L153 SettingsManager]: * Future-live optimization=false [2024-09-20 13:25:03,167 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-20 13:25:03,167 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-20 13:25:03,167 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-20 13:25:03,167 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-20 13:25:03,168 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-20 13:25:03,168 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-20 13:25:03,169 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-09-20 13:25:03,169 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-09-20 13:25:03,170 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-20 13:25:03,170 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-20 13:25:03,170 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-20 13:25:03,171 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-20 13:25:03,171 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None [2024-09-20 13:25:03,395 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-20 13:25:03,417 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-20 13:25:03,419 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-20 13:25:03,420 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-20 13:25:03,421 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-20 13:25:03,422 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/automizer-verification-files/SV-COMP24_unreach-call/string-1.yml/witness-2.1.yml [2024-09-20 13:25:03,470 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-20 13:25:03,472 INFO L274 PluginConnector]: CDTParser initialized [2024-09-20 13:25:03,472 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/loops/string-1.i [2024-09-20 13:25:04,914 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-20 13:25:05,081 INFO L384 CDTParser]: Found 1 translation units. [2024-09-20 13:25:05,081 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loops/string-1.i [2024-09-20 13:25:05,088 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/e03d013c4/17c77ddc23b0418986d829d0b1d68131/FLAGb295c4297 [2024-09-20 13:25:05,102 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/e03d013c4/17c77ddc23b0418986d829d0b1d68131 [2024-09-20 13:25:05,103 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-20 13:25:05,106 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-09-20 13:25:05,107 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-20 13:25:05,107 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-20 13:25:05,112 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-20 13:25:05,113 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 20.09 01:25:03" (1/2) ... [2024-09-20 13:25:05,114 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@767ddcaf and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 20.09 01:25:05, skipping insertion in model container [2024-09-20 13:25:05,114 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 20.09 01:25:03" (1/2) ... [2024-09-20 13:25:05,117 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@c3f6d2c and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 20.09 01:25:05, skipping insertion in model container [2024-09-20 13:25:05,117 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 01:25:05" (2/2) ... [2024-09-20 13:25:05,118 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@767ddcaf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:25:05, skipping insertion in model container [2024-09-20 13:25:05,118 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 01:25:05" (2/2) ... [2024-09-20 13:25:05,124 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-20 13:25:05,126 INFO L1541 ArrayList]: Function contract at [L18]: requires (1 <= \old(cond)), ensures (1 <= \old(cond)) [2024-09-20 13:25:05,146 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-20 13:25:05,306 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loops/string-1.i[896,909] [2024-09-20 13:25:05,325 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-20 13:25:05,332 INFO L200 MainTranslator]: Completed pre-run Start Parsing Global Start Parsing Global [2024-09-20 13:25:05,367 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loops/string-1.i[896,909] [2024-09-20 13:25:05,377 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-20 13:25:05,391 INFO L204 MainTranslator]: Completed translation [2024-09-20 13:25:05,391 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:25:05 WrapperNode [2024-09-20 13:25:05,392 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-20 13:25:05,393 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-20 13:25:05,393 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-20 13:25:05,393 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-20 13:25:05,406 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:25:05" (1/1) ... [2024-09-20 13:25:05,406 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:25:05" (1/1) ... [2024-09-20 13:25:05,417 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:25:05" (1/1) ... [2024-09-20 13:25:05,444 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 [2024-09-20 13:25:05,444 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:25:05" (1/1) ... [2024-09-20 13:25:05,445 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:25:05" (1/1) ... [2024-09-20 13:25:05,455 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:25:05" (1/1) ... [2024-09-20 13:25:05,462 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:25:05" (1/1) ... [2024-09-20 13:25:05,464 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:25:05" (1/1) ... [2024-09-20 13:25:05,467 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:25:05" (1/1) ... [2024-09-20 13:25:05,469 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-20 13:25:05,473 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-20 13:25:05,474 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-20 13:25:05,474 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-20 13:25:05,475 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:25:05" (1/1) ... [2024-09-20 13:25:05,480 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-20 13:25:05,488 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-09-20 13:25:05,507 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) [2024-09-20 13:25:05,509 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 [2024-09-20 13:25:05,548 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-09-20 13:25:05,548 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-20 13:25:05,548 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-09-20 13:25:05,548 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-09-20 13:25:05,548 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-09-20 13:25:05,548 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-09-20 13:25:05,549 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-09-20 13:25:05,549 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-09-20 13:25:05,549 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_perror_fail [2024-09-20 13:25:05,549 INFO L130 BoogieDeclarations]: Found specification of procedure __assert [2024-09-20 13:25:05,549 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-09-20 13:25:05,549 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-20 13:25:05,549 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-09-20 13:25:05,549 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-09-20 13:25:05,550 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_char [2024-09-20 13:25:05,550 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-09-20 13:25:05,550 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-09-20 13:25:05,550 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-09-20 13:25:05,550 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-09-20 13:25:05,550 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-09-20 13:25:05,551 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-09-20 13:25:05,551 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-09-20 13:25:05,551 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-20 13:25:05,623 INFO L242 CfgBuilder]: Building ICFG [2024-09-20 13:25:05,625 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-20 13:25:05,777 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-20 13:25:05,786 INFO L291 CfgBuilder]: Performing block encoding [2024-09-20 13:25:05,811 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-20 13:25:05,812 INFO L318 CfgBuilder]: Removed 5 assume(true) statements. [2024-09-20 13:25:05,812 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 01:25:05 BoogieIcfgContainer [2024-09-20 13:25:05,812 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-20 13:25:05,813 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-09-20 13:25:05,813 INFO L270 PluginConnector]: Initializing Referee... [2024-09-20 13:25:05,816 INFO L274 PluginConnector]: Referee initialized [2024-09-20 13:25:05,816 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 20.09 01:25:03" (1/4) ... [2024-09-20 13:25:05,816 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@383e3b7f and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 20.09 01:25:05, skipping insertion in model container [2024-09-20 13:25:05,816 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 20.09 01:25:05" (2/4) ... [2024-09-20 13:25:05,817 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@383e3b7f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 20.09 01:25:05, skipping insertion in model container [2024-09-20 13:25:05,817 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:25:05" (3/4) ... [2024-09-20 13:25:05,817 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@383e3b7f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 20.09 01:25:05, skipping insertion in model container [2024-09-20 13:25:05,817 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 01:25:05" (4/4) ... [2024-09-20 13:25:05,818 INFO L79 RefereeObserver]: Analyzing ICFG string-1.i [2024-09-20 13:25:05,824 INFO L113 InvariantChecker]: Found 5 loops. [2024-09-20 13:25:05,824 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L55-2 to ERROR_LOC mainErr0REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 4 edges. [2024-09-20 13:25:05,825 INFO L373 InvariantChecker]: Will check inductivity from ENTRY __VERIFIER_assertENTRY to ERROR_LOC __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 5 edges. [2024-09-20 13:25:05,825 INFO L373 InvariantChecker]: Will check inductivity from ENTRY __VERIFIER_assertENTRY to ERROR_LOC __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 3 edges. [2024-09-20 13:25:05,825 INFO L131 InvariantChecker]: Will check 1 loop-free subgraphs from loop head to error location, 2 loop-free subgraphs from procedure entry to error location [2024-09-20 13:25:05,872 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 4 edges [2024-09-20 13:25:05,874 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 13:25:05,875 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 13:25:05,875 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 13:25:05,876 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 13:25:05,878 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:25:05,888 INFO L101 BaseMinimizeStates]: Removed 6 edges and 2 locations by large block encoding [2024-09-20 13:25:05,894 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:25:05,894 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 13:25:05,894 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 13:25:05,895 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 13:25:05,901 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 13:25:05,916 INFO L520 InvariantChecker]: The annotation(s) from loop head L55-2 to error location mainErr0REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-20 13:25:05,935 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 5 edges [2024-09-20 13:25:05,936 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 13:25:05,936 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 13:25:05,936 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 13:25:05,936 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 13:25:05,936 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:25:05,941 INFO L101 BaseMinimizeStates]: Removed 8 edges and 3 locations by large block encoding [2024-09-20 13:25:05,941 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:25:05,942 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 13:25:05,943 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 13:25:05,943 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 13:25:05,944 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 13:25:05,949 INFO L520 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-20 13:25:05,964 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-20 13:25:05,964 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 13:25:05,964 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 13:25:05,964 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 13:25:05,965 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 13:25:05,965 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:25:05,968 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-20 13:25:05,968 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:25:05,968 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 13:25:05,968 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 13:25:05,969 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 13:25:05,969 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 13:25:05,972 INFO L520 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION is inductive. [2024-09-20 13:25:05,982 INFO L58 RefereeStarter]: Annotation is a valid proof of correctness. [2024-09-20 13:25:05,983 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@383e3b7f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee CFG 20.09 01:25:05, skipping insertion in model container [2024-09-20 13:25:05,983 INFO L131 PluginConnector]: ------------------------ END Referee---------------------------- [2024-09-20 13:25:05,985 INFO L158 Benchmark]: Toolchain (without parser) took 878.15ms. Allocated memory is still 167.8MB. Free memory was 110.3MB in the beginning and 66.9MB in the end (delta: 43.4MB). Peak memory consumption was 44.0MB. Max. memory is 16.1GB. [2024-09-20 13:25:05,985 INFO L158 Benchmark]: Witness Parser took 0.20ms. Allocated memory is still 167.8MB. Free memory is still 133.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-20 13:25:05,986 INFO L158 Benchmark]: CDTParser took 1.61ms. Allocated memory is still 167.8MB. Free memory is still 131.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-20 13:25:05,986 INFO L158 Benchmark]: CACSL2BoogieTranslator took 285.31ms. Allocated memory is still 167.8MB. Free memory was 110.3MB in the beginning and 96.3MB in the end (delta: 14.0MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-09-20 13:25:05,987 INFO L158 Benchmark]: Boogie Preprocessor took 79.93ms. Allocated memory is still 167.8MB. Free memory was 96.3MB in the beginning and 93.5MB in the end (delta: 2.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-09-20 13:25:05,987 INFO L158 Benchmark]: RCFGBuilder took 339.02ms. Allocated memory is still 167.8MB. Free memory was 93.5MB in the beginning and 78.8MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-09-20 13:25:05,988 INFO L158 Benchmark]: Referee took 169.93ms. Allocated memory is still 167.8MB. Free memory was 78.8MB in the beginning and 66.9MB in the end (delta: 11.9MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-09-20 13:25:05,990 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.referee: - AnnotationCheckResult: Annotation is a valid proof of correctness. Annotation is a valid proof of correctness. Annotation is valid for all loop-free paths from entry of procedure __VERIFIER_assert to 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 20. Annotation is valid for all loop-free paths from loop head at line 53 to check that procedure precondition always holds at line 69. * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Witness Parser took 0.20ms. Allocated memory is still 167.8MB. Free memory is still 133.2MB. There was no memory consumed. Max. memory is 16.1GB. * CDTParser took 1.61ms. Allocated memory is still 167.8MB. Free memory is still 131.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 285.31ms. Allocated memory is still 167.8MB. Free memory was 110.3MB in the beginning and 96.3MB in the end (delta: 14.0MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Preprocessor took 79.93ms. Allocated memory is still 167.8MB. Free memory was 96.3MB in the beginning and 93.5MB in the end (delta: 2.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 339.02ms. Allocated memory is still 167.8MB. Free memory was 93.5MB in the beginning and 78.8MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Referee took 169.93ms. Allocated memory is still 167.8MB. Free memory was 78.8MB in the beginning and 66.9MB in the end (delta: 11.9MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2024-09-20 13:25:06,013 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