./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/nla-digbench-scaling/sqrt1-ll_unwindbound20.c --full-output --witness-type correctness_witness --validate ../results/automizer-verification-files/SV-COMP24_unreach-call/sqrt1-ll_unwindbound20.yml/witness-2.1.yml --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version fb1cb0b9 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/nla-digbench-scaling/sqrt1-ll_unwindbound20.c ../results/automizer-verification-files/SV-COMP24_unreach-call/sqrt1-ll_unwindbound20.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-fb1cb0b-m [2024-09-25 11:49:19,402 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-25 11:49:19,470 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Default.epf [2024-09-25 11:49:19,473 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-25 11:49:19,474 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-25 11:49:19,494 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-25 11:49:19,495 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-25 11:49:19,495 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-25 11:49:19,496 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-25 11:49:19,496 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-25 11:49:19,497 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-25 11:49:19,497 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-25 11:49:19,498 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-25 11:49:19,498 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-25 11:49:19,498 INFO L153 SettingsManager]: * Use SBE=true [2024-09-25 11:49:19,499 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-25 11:49:19,499 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-25 11:49:19,500 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-25 11:49:19,500 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-09-25 11:49:19,500 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-25 11:49:19,501 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-25 11:49:19,501 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-25 11:49:19,502 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-25 11:49:19,502 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-25 11:49:19,502 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-25 11:49:19,503 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-25 11:49:19,503 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-25 11:49:19,503 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-25 11:49:19,503 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-25 11:49:19,504 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-25 11:49:19,504 INFO L153 SettingsManager]: * Future-live optimization=false [2024-09-25 11:49:19,504 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-25 11:49:19,505 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-25 11:49:19,505 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-25 11:49:19,505 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-25 11:49:19,506 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-25 11:49:19,506 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-25 11:49:19,506 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-09-25 11:49:19,507 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-09-25 11:49:19,507 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-25 11:49:19,507 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-25 11:49:19,508 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-25 11:49:19,508 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-25 11:49:19,508 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None [2024-09-25 11:49:19,790 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-25 11:49:19,815 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-25 11:49:19,817 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-25 11:49:19,818 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-25 11:49:19,819 INFO L274 PluginConnector]: CDTParser initialized [2024-09-25 11:49:19,820 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/nla-digbench-scaling/sqrt1-ll_unwindbound20.c [2024-09-25 11:49:21,190 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-25 11:49:21,376 INFO L384 CDTParser]: Found 1 translation units. [2024-09-25 11:49:21,378 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench-scaling/sqrt1-ll_unwindbound20.c [2024-09-25 11:49:21,388 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/2d239b5a1/8c0d43e1a16c4e3488cba363dce3d9d5/FLAGca24c7720 [2024-09-25 11:49:21,406 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/2d239b5a1/8c0d43e1a16c4e3488cba363dce3d9d5 [2024-09-25 11:49:21,410 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-25 11:49:21,411 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-25 11:49:21,412 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/automizer-verification-files/SV-COMP24_unreach-call/sqrt1-ll_unwindbound20.yml/witness-2.1.yml [2024-09-25 11:49:21,466 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-25 11:49:21,468 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-09-25 11:49:21,470 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-25 11:49:21,470 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-25 11:49:21,475 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-25 11:49:21,476 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 11:49:21" (1/2) ... [2024-09-25 11:49:21,478 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@fc59d25 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 11:49:21, skipping insertion in model container [2024-09-25 11:49:21,479 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 11:49:21" (1/2) ... [2024-09-25 11:49:21,481 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@2d999d33 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 11:49:21, skipping insertion in model container [2024-09-25 11:49:21,481 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 11:49:21" (2/2) ... [2024-09-25 11:49:21,481 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@fc59d25 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 25.09 11:49:21, skipping insertion in model container [2024-09-25 11:49:21,482 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 11:49:21" (2/2) ... [2024-09-25 11:49:21,488 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-25 11:49:21,491 INFO L1541 ArrayList]: Loop invariant at [L30-L42] (((((((__int128) a * 2) + ((__int128) a * a)) + 1) == s) && (\old(counter) == 0)) && (t == (((__int128) a * 2) + 1))) [2024-09-25 11:49:21,491 INFO L1541 ArrayList]: Function contract at [L21]: requires (counter == 0), ensures (\old(counter) == 0) [2024-09-25 11:49:21,491 INFO L1541 ArrayList]: Function contract at [L11]: requires (cond != 0), ensures ((cond != 0) && (counter == \old(counter))) [2024-09-25 11:49:21,510 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-25 11:49:21,668 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/nla-digbench-scaling/sqrt1-ll_unwindbound20.c[520,533] [2024-09-25 11:49:21,689 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-25 11:49:21,697 INFO L200 MainTranslator]: Completed pre-run Start Parsing Global Start Parsing Global [2024-09-25 11:49:21,728 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/nla-digbench-scaling/sqrt1-ll_unwindbound20.c[520,533] Start Parsing Global Start Parsing Global Start Parsing Local [2024-09-25 11:49:21,738 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-25 11:49:21,752 INFO L204 MainTranslator]: Completed translation [2024-09-25 11:49:21,752 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 25.09 11:49:21 WrapperNode [2024-09-25 11:49:21,752 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-25 11:49:21,753 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-25 11:49:21,753 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-25 11:49:21,753 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-25 11:49:21,767 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 25.09 11:49:21" (1/1) ... [2024-09-25 11:49:21,767 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 25.09 11:49:21" (1/1) ... [2024-09-25 11:49:21,774 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 25.09 11:49:21" (1/1) ... [2024-09-25 11:49:21,782 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 11:49:21,783 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 25.09 11:49:21" (1/1) ... [2024-09-25 11:49:21,783 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 25.09 11:49:21" (1/1) ... [2024-09-25 11:49:21,786 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 25.09 11:49:21" (1/1) ... [2024-09-25 11:49:21,791 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 25.09 11:49:21" (1/1) ... [2024-09-25 11:49:21,792 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 25.09 11:49:21" (1/1) ... [2024-09-25 11:49:21,793 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 25.09 11:49:21" (1/1) ... [2024-09-25 11:49:21,795 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-25 11:49:21,796 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-25 11:49:21,796 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-25 11:49:21,796 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-25 11:49:21,797 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 25.09 11:49:21" (1/1) ... [2024-09-25 11:49:21,805 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-25 11:49:21,812 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-09-25 11:49:21,828 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 11:49:21,830 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 11:49:21,866 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-09-25 11:49:21,866 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-25 11:49:21,866 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-09-25 11:49:21,866 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-09-25 11:49:21,866 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-09-25 11:49:21,866 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-09-25 11:49:21,867 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-09-25 11:49:21,867 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-09-25 11:49:21,867 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-09-25 11:49:21,867 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-25 11:49:21,867 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2024-09-25 11:49:21,867 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-09-25 11:49:21,868 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-09-25 11:49:21,868 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-09-25 11:49:21,868 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-09-25 11:49:21,868 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-09-25 11:49:21,868 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-25 11:49:21,869 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-09-25 11:49:21,869 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-09-25 11:49:21,869 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-09-25 11:49:21,926 INFO L241 CfgBuilder]: Building ICFG [2024-09-25 11:49:21,930 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-25 11:49:21,976 WARN L782 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-25 11:49:22,086 WARN L782 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-25 11:49:22,104 INFO L290 CfgBuilder]: Performing block encoding [2024-09-25 11:49:22,134 INFO L312 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-25 11:49:22,134 INFO L317 CfgBuilder]: Removed 1 assume(true) statements. [2024-09-25 11:49:22,135 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 11:49:22 BoogieIcfgContainer [2024-09-25 11:49:22,135 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-25 11:49:22,135 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-09-25 11:49:22,136 INFO L270 PluginConnector]: Initializing Referee... [2024-09-25 11:49:22,136 INFO L274 PluginConnector]: Referee initialized [2024-09-25 11:49:22,137 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 25.09 11:49:21" (1/4) ... [2024-09-25 11:49:22,137 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@247d755d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 25.09 11:49:22, skipping insertion in model container [2024-09-25 11:49:22,137 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 11:49:21" (2/4) ... [2024-09-25 11:49:22,137 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@247d755d and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 25.09 11:49:22, skipping insertion in model container [2024-09-25 11:49:22,138 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 25.09 11:49:21" (3/4) ... [2024-09-25 11:49:22,138 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@247d755d and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 25.09 11:49:22, skipping insertion in model container [2024-09-25 11:49:22,138 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 11:49:22" (4/4) ... [2024-09-25 11:49:22,139 INFO L79 RefereeObserver]: Analyzing ICFG sqrt1-ll_unwindbound20.c [2024-09-25 11:49:22,146 INFO L113 InvariantChecker]: Found 1 loops. [2024-09-25 11:49:22,147 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L30-4 to ERROR_LOC mainErr2REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 5 edges. [2024-09-25 11:49:22,147 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L30-4 to ERROR_LOC mainErr5REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 11 edges. [2024-09-25 11:49:22,148 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L30-4 to ERROR_LOC mainErr1REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 4 edges. [2024-09-25 11:49:22,148 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L30-4 to ERROR_LOC mainErr7ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 14 edges. [2024-09-25 11:49:22,148 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L30-4 to ERROR_LOC mainErr4REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 10 edges. [2024-09-25 11:49:22,148 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L30-4 to ERROR_LOC mainErr6REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 12 edges. [2024-09-25 11:49:22,148 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC ULTIMATE.startErr0REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 3 edges. [2024-09-25 11:49:22,148 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 11:49:22,149 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 11:49:22,149 INFO L373 InvariantChecker]: Will check inductivity from ENTRY mainENTRY to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 2 edges. [2024-09-25 11:49:22,149 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L30-4 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 8 edges. [2024-09-25 11:49:22,149 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L30-4 to ERROR_LOC mainErr3REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 6 edges. [2024-09-25 11:49:22,149 INFO L131 InvariantChecker]: Will check 3 loop-free subgraphs from procedure entry to error location, 7 loop-free subgraphs from loop head to error location, 1 loop-free subgraphs from loop head to loop head, 1 loop-free subgraphs from procedure entry to loop head [2024-09-25 11:49:22,222 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 5 edges [2024-09-25 11:49:22,223 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 11:49:22,224 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 11:49:22,224 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 11:49:22,227 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 11:49:22,228 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:49:22,295 INFO L101 BaseMinimizeStates]: Removed 8 edges and 4 locations by large block encoding [2024-09-25 11:49:22,296 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:49:22,296 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 11:49:22,297 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 11:49:22,297 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 11:49:22,298 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 11:49:22,322 INFO L520 InvariantChecker]: The annotation(s) from loop head L30-4 to error location mainErr2REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-25 11:49:22,346 INFO L314 BlockEncoder]: Initial Icfg 10 locations, 11 edges [2024-09-25 11:49:22,347 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 11:49:22,347 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 11:49:22,347 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 11:49:22,347 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 11:49:22,347 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:49:22,390 INFO L101 BaseMinimizeStates]: Removed 22 edges and 8 locations by large block encoding [2024-09-25 11:49:22,390 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:49:22,391 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 11:49:22,391 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 11:49:22,391 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 11:49:22,396 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 11:49:22,400 INFO L520 InvariantChecker]: The annotation(s) from loop head L30-4 to error location mainErr5REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-25 11:49:22,424 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 4 edges [2024-09-25 11:49:22,425 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 11:49:22,425 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 11:49:22,425 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 11:49:22,425 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 11:49:22,426 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:49:22,433 INFO L101 BaseMinimizeStates]: Removed 6 edges and 3 locations by large block encoding [2024-09-25 11:49:22,436 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:49:22,436 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 11:49:22,436 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 11:49:22,436 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 11:49:22,437 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 11:49:22,440 INFO L520 InvariantChecker]: The annotation(s) from loop head L30-4 to error location mainErr1REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-25 11:49:22,458 INFO L314 BlockEncoder]: Initial Icfg 13 locations, 14 edges [2024-09-25 11:49:22,458 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 11:49:22,461 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 11:49:22,461 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 11:49:22,461 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 11:49:22,461 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:49:22,504 INFO L101 BaseMinimizeStates]: Removed 34 edges and 11 locations by large block encoding [2024-09-25 11:49:22,505 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:49:22,505 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 11:49:22,505 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 11:49:22,505 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 11:49:22,506 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 11:49:22,508 INFO L520 InvariantChecker]: The annotation(s) from loop head L30-4 to error location mainErr7ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-25 11:49:22,522 INFO L314 BlockEncoder]: Initial Icfg 9 locations, 10 edges [2024-09-25 11:49:22,523 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 11:49:22,523 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 11:49:22,524 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 11:49:22,524 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 11:49:22,524 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:49:22,545 INFO L101 BaseMinimizeStates]: Removed 18 edges and 7 locations by large block encoding [2024-09-25 11:49:22,546 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:49:22,547 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 11:49:22,547 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 11:49:22,548 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 11:49:22,550 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 11:49:22,555 INFO L520 InvariantChecker]: The annotation(s) from loop head L30-4 to error location mainErr4REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-25 11:49:22,573 INFO L314 BlockEncoder]: Initial Icfg 11 locations, 12 edges [2024-09-25 11:49:22,573 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 11:49:22,573 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 11:49:22,574 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 11:49:22,574 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 11:49:22,574 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:49:22,597 INFO L101 BaseMinimizeStates]: Removed 26 edges and 9 locations by large block encoding [2024-09-25 11:49:22,597 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:49:22,597 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 11:49:22,598 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 11:49:22,598 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 11:49:22,600 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 11:49:22,607 INFO L520 InvariantChecker]: The annotation(s) from loop head L30-4 to error location mainErr6REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-25 11:49:22,618 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-25 11:49:22,619 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 11:49:22,619 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 11:49:22,619 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 11:49:22,620 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 11:49:22,620 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:49:22,621 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-25 11:49:22,622 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:49:22,622 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 11:49:22,622 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 11:49:22,622 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 11:49:22,623 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 11:49:22,628 INFO L520 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to error location ULTIMATE.startErr0REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-25 11:49:22,638 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 5 edges [2024-09-25 11:49:22,639 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 11:49:22,639 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 11:49:22,640 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 11:49:22,640 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 11:49:22,641 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:49:22,643 INFO L101 BaseMinimizeStates]: Removed 8 edges and 3 locations by large block encoding [2024-09-25 11:49:22,643 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:49:22,644 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 11:49:22,645 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 11:49:22,645 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 11:49:22,645 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 11:49:22,647 INFO L520 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-25 11:49:22,656 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-25 11:49:22,657 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 11:49:22,657 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 11:49:22,658 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 11:49:22,658 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 11:49:22,658 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:49:22,661 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-25 11:49:22,661 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:49:22,662 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 11:49:22,662 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 11:49:22,662 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 11:49:22,663 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 11:49:22,664 INFO L520 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION is inductive. [2024-09-25 11:49:22,675 INFO L314 BlockEncoder]: Initial Icfg 3 locations, 2 edges [2024-09-25 11:49:22,675 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 11:49:22,675 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 11:49:22,675 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 11:49:22,676 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 11:49:22,676 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:49:22,679 INFO L101 BaseMinimizeStates]: Removed 2 edges and 1 locations by large block encoding [2024-09-25 11:49:22,679 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:49:22,680 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 11:49:22,680 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 11:49:22,680 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 11:49:22,680 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 11:49:22,683 INFO L520 InvariantChecker]: The annotation(s) from entry mainENTRY to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-25 11:49:22,696 INFO L314 BlockEncoder]: Initial Icfg 9 locations, 8 edges [2024-09-25 11:49:22,696 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 11:49:22,696 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 11:49:22,697 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 11:49:22,697 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 11:49:22,697 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:49:22,711 INFO L101 BaseMinimizeStates]: Removed 14 edges and 7 locations by large block encoding [2024-09-25 11:49:22,711 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:49:22,711 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 11:49:22,711 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 11:49:22,712 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 11:49:22,712 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 11:49:22,715 INFO L520 InvariantChecker]: The annotation(s) from loop head L30-4 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-25 11:49:22,725 INFO L314 BlockEncoder]: Initial Icfg 7 locations, 6 edges [2024-09-25 11:49:22,725 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 11:49:22,726 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 11:49:22,726 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 11:49:22,726 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 11:49:22,727 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:49:22,734 INFO L101 BaseMinimizeStates]: Removed 10 edges and 5 locations by large block encoding [2024-09-25 11:49:22,734 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:49:22,734 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 11:49:22,734 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 11:49:22,734 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 11:49:22,734 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 11:49:22,738 INFO L520 InvariantChecker]: The annotation(s) from loop head L30-4 to error location mainErr3REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-25 11:49:22,741 INFO L58 RefereeStarter]: Annotation is a valid proof of correctness. [2024-09-25 11:49:22,742 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@247d755d and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CFG 25.09 11:49:22, skipping insertion in model container [2024-09-25 11:49:22,742 INFO L131 PluginConnector]: ------------------------ END Referee---------------------------- [2024-09-25 11:49:22,745 INFO L158 Benchmark]: Toolchain (without parser) took 1276.99ms. Allocated memory was 132.1MB in the beginning and 184.5MB in the end (delta: 52.4MB). Free memory was 84.4MB in the beginning and 101.9MB in the end (delta: -17.4MB). Peak memory consumption was 48.0MB. Max. memory is 16.1GB. [2024-09-25 11:49:22,746 INFO L158 Benchmark]: CDTParser took 0.16ms. Allocated memory is still 132.1MB. Free memory is still 106.1MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-25 11:49:22,746 INFO L158 Benchmark]: Witness Parser took 0.17ms. Allocated memory is still 132.1MB. Free memory is still 86.5MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-25 11:49:22,747 INFO L158 Benchmark]: CACSL2BoogieTranslator took 282.41ms. Allocated memory is still 132.1MB. Free memory was 84.4MB in the beginning and 70.7MB in the end (delta: 13.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-09-25 11:49:22,747 INFO L158 Benchmark]: Boogie Preprocessor took 42.17ms. Allocated memory is still 132.1MB. Free memory was 70.7MB in the beginning and 69.2MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. [2024-09-25 11:49:22,748 INFO L158 Benchmark]: RCFGBuilder took 338.82ms. Allocated memory is still 132.1MB. Free memory was 68.7MB in the beginning and 55.1MB in the end (delta: 13.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-09-25 11:49:22,749 INFO L158 Benchmark]: Referee took 606.35ms. Allocated memory was 132.1MB in the beginning and 184.5MB in the end (delta: 52.4MB). Free memory was 55.1MB in the beginning and 101.9MB in the end (delta: -46.8MB). Peak memory consumption was 18.7MB. Max. memory is 16.1GB. [2024-09-25 11:49:22,752 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 30 to exit of procedure main. Annotation is valid for all loop-free paths from loop head at line 30 to check that procedure precondition always holds 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 32. Annotation is valid for all loop-free paths from loop head at line 30 to loop head at line 30. Annotation is valid for all loop-free paths from entry of procedure __VERIFIER_assert to exit of procedure __VERIFIER_assert. Annotation is valid for all loop-free paths from loop head at line 30 to check that procedure precondition always holds at line 31. Annotation is valid for all loop-free paths from loop head at line 30 to check that procedure precondition always holds at line 44. Annotation is valid for all loop-free paths from loop head at line 30 to check that procedure precondition always holds at line 31. Annotation is valid for all loop-free paths from loop head at line 30 to check that procedure precondition always holds at line 45. Annotation is valid for all loop-free paths from entry of procedure ULTIMATE.start to check that procedure precondition always holds at line -1. Annotation is valid for all loop-free paths from entry of procedure __VERIFIER_assert to check that a call to reach_error is unreachable at line 13. Annotation is valid for all loop-free paths from entry of procedure main to loop head at line 30. * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16ms. Allocated memory is still 132.1MB. Free memory is still 106.1MB. There was no memory consumed. Max. memory is 16.1GB. * Witness Parser took 0.17ms. Allocated memory is still 132.1MB. Free memory is still 86.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 282.41ms. Allocated memory is still 132.1MB. Free memory was 84.4MB in the beginning and 70.7MB in the end (delta: 13.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Preprocessor took 42.17ms. Allocated memory is still 132.1MB. Free memory was 70.7MB in the beginning and 69.2MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 338.82ms. Allocated memory is still 132.1MB. Free memory was 68.7MB in the beginning and 55.1MB in the end (delta: 13.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Referee took 606.35ms. Allocated memory was 132.1MB in the beginning and 184.5MB in the end (delta: 52.4MB). Free memory was 55.1MB in the beginning and 101.9MB in the end (delta: -46.8MB). Peak memory consumption was 18.7MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2024-09-25 11:49:22,786 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