./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/nla-digbench-scaling/sqrt1-ll_unwindbound1.c --full-output --witness-type correctness_witness --validate ../results/automizer-verification-files/SV-COMP24_unreach-call/sqrt1-ll_unwindbound1.yml/witness-2.1.yml --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version a9b967e5 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/nla-digbench-scaling/sqrt1-ll_unwindbound1.c ../results/automizer-verification-files/SV-COMP24_unreach-call/sqrt1-ll_unwindbound1.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-dev-a9b967e-m [2024-09-11 20:53:21,403 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-11 20:53:21,473 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Default.epf [2024-09-11 20:53:21,478 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-11 20:53:21,479 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-11 20:53:21,498 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-11 20:53:21,499 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-11 20:53:21,499 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-11 20:53:21,500 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-11 20:53:21,501 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-11 20:53:21,501 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-11 20:53:21,501 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-11 20:53:21,502 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-11 20:53:21,502 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-11 20:53:21,502 INFO L153 SettingsManager]: * Use SBE=true [2024-09-11 20:53:21,504 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-11 20:53:21,504 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-11 20:53:21,504 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-11 20:53:21,504 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-09-11 20:53:21,504 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-11 20:53:21,505 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-11 20:53:21,508 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-11 20:53:21,508 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-11 20:53:21,508 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-11 20:53:21,508 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-11 20:53:21,508 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-11 20:53:21,508 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-11 20:53:21,509 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-11 20:53:21,509 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-11 20:53:21,509 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-11 20:53:21,509 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-11 20:53:21,509 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-11 20:53:21,509 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-11 20:53:21,510 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-11 20:53:21,510 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-11 20:53:21,510 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-11 20:53:21,510 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-09-11 20:53:21,510 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-09-11 20:53:21,510 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-11 20:53:21,510 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-11 20:53:21,510 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-11 20:53:21,511 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-11 20:53:21,514 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None [2024-09-11 20:53:21,726 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-11 20:53:21,743 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-11 20:53:21,745 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-11 20:53:21,746 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-11 20:53:21,746 INFO L274 PluginConnector]: CDTParser initialized [2024-09-11 20:53:21,747 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/nla-digbench-scaling/sqrt1-ll_unwindbound1.c [2024-09-11 20:53:23,043 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-11 20:53:23,168 INFO L384 CDTParser]: Found 1 translation units. [2024-09-11 20:53:23,169 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench-scaling/sqrt1-ll_unwindbound1.c [2024-09-11 20:53:23,175 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/9cc4240b5/63225b1100404ff8ab7e5be987c8354a/FLAG482680346 [2024-09-11 20:53:23,588 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/9cc4240b5/63225b1100404ff8ab7e5be987c8354a [2024-09-11 20:53:23,590 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-11 20:53:23,591 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-11 20:53:23,591 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/automizer-verification-files/SV-COMP24_unreach-call/sqrt1-ll_unwindbound1.yml/witness-2.1.yml [2024-09-11 20:53:23,633 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-11 20:53:23,634 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-09-11 20:53:23,635 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-11 20:53:23,635 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-11 20:53:23,639 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-11 20:53:23,639 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.09 08:53:23" (1/2) ... [2024-09-11 20:53:23,642 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6ec2dfd2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:53:23, skipping insertion in model container [2024-09-11 20:53:23,642 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.09 08:53:23" (1/2) ... [2024-09-11 20:53:23,643 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@19489aa2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:53:23, skipping insertion in model container [2024-09-11 20:53:23,644 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 11.09 08:53:23" (2/2) ... [2024-09-11 20:53:23,644 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6ec2dfd2 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 11.09 08:53:23, skipping insertion in model container [2024-09-11 20:53:23,644 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 11.09 08:53:23" (2/2) ... [2024-09-11 20:53:23,650 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-11 20:53:23,653 INFO L1541 ArrayList]: Loop invariant at [L30-L42] ((((((__int128) a * a) + 1) + ((__int128) 2 * a)) == s) && (((((__int128) a * a) + 2) + ((__int128) a * 4)) == (s + t))) [2024-09-11 20:53:23,653 INFO L1541 ArrayList]: Function contract at [L11]: requires (\old(cond) != 0), ensures (\old(cond) != 0) [2024-09-11 20:53:23,667 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-11 20:53:23,827 WARN L247 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_unwindbound1.c[520,533] [2024-09-11 20:53:23,850 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-11 20:53:23,860 INFO L200 MainTranslator]: Completed pre-run Start Parsing Global Start Parsing Global [2024-09-11 20:53:23,896 WARN L247 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_unwindbound1.c[520,533] Start Parsing Local [2024-09-11 20:53:23,908 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-11 20:53:23,919 INFO L204 MainTranslator]: Completed translation [2024-09-11 20:53:23,919 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 11.09 08:53:23 WrapperNode [2024-09-11 20:53:23,919 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-11 20:53:23,920 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-11 20:53:23,920 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-11 20:53:23,920 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-11 20:53:23,929 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 11.09 08:53:23" (1/1) ... [2024-09-11 20:53:23,929 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 11.09 08:53:23" (1/1) ... [2024-09-11 20:53:23,936 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 11.09 08:53:23" (1/1) ... [2024-09-11 20:53:23,942 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 [2024-09-11 20:53:23,942 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 11.09 08:53:23" (1/1) ... [2024-09-11 20:53:23,942 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 11.09 08:53:23" (1/1) ... [2024-09-11 20:53:23,944 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 11.09 08:53:23" (1/1) ... [2024-09-11 20:53:23,946 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 11.09 08:53:23" (1/1) ... [2024-09-11 20:53:23,947 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 11.09 08:53:23" (1/1) ... [2024-09-11 20:53:23,948 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 11.09 08:53:23" (1/1) ... [2024-09-11 20:53:23,949 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-11 20:53:23,949 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-11 20:53:23,949 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-11 20:53:23,950 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-11 20:53:23,951 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 11.09 08:53:23" (1/1) ... [2024-09-11 20:53:23,955 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-11 20:53:23,961 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-09-11 20:53:23,972 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) [2024-09-11 20:53:23,974 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 [2024-09-11 20:53:24,016 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-09-11 20:53:24,016 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-11 20:53:24,016 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-09-11 20:53:24,016 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-09-11 20:53:24,017 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-09-11 20:53:24,018 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-09-11 20:53:24,018 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-09-11 20:53:24,018 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-09-11 20:53:24,018 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-09-11 20:53:24,019 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-11 20:53:24,019 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2024-09-11 20:53:24,019 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-09-11 20:53:24,019 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-09-11 20:53:24,019 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-09-11 20:53:24,019 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-09-11 20:53:24,019 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-09-11 20:53:24,019 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-11 20:53:24,020 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-09-11 20:53:24,020 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-09-11 20:53:24,020 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-09-11 20:53:24,078 INFO L242 CfgBuilder]: Building ICFG [2024-09-11 20:53:24,082 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-11 20:53:24,187 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-11 20:53:24,232 INFO L? ?]: Removed 23 outVars from TransFormulas that were not future-live. [2024-09-11 20:53:24,232 INFO L291 CfgBuilder]: Performing block encoding [2024-09-11 20:53:24,249 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-11 20:53:24,249 INFO L318 CfgBuilder]: Removed 1 assume(true) statements. [2024-09-11 20:53:24,250 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.09 08:53:24 BoogieIcfgContainer [2024-09-11 20:53:24,250 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-11 20:53:24,250 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-09-11 20:53:24,250 INFO L270 PluginConnector]: Initializing Referee... [2024-09-11 20:53:24,251 INFO L274 PluginConnector]: Referee initialized [2024-09-11 20:53:24,251 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 11.09 08:53:23" (1/4) ... [2024-09-11 20:53:24,251 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@5c0c5def and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 11.09 08:53:24, skipping insertion in model container [2024-09-11 20:53:24,251 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 11.09 08:53:23" (2/4) ... [2024-09-11 20:53:24,252 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@5c0c5def and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 11.09 08:53:24, skipping insertion in model container [2024-09-11 20:53:24,252 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 11.09 08:53:23" (3/4) ... [2024-09-11 20:53:24,252 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@5c0c5def and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 11.09 08:53:24, skipping insertion in model container [2024-09-11 20:53:24,252 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.09 08:53:24" (4/4) ... [2024-09-11 20:53:24,253 INFO L79 RefereeObserver]: Analyzing ICFG sqrt1-ll_unwindbound1.c [2024-09-11 20:53:24,255 INFO L112 InvariantChecker]: Found 1 loops. [2024-09-11 20:53:24,256 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L30-4 to ERROR_LOC mainErr2REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 5 edges. [2024-09-11 20:53:24,256 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L30-4 to ERROR_LOC mainErr5REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 11 edges. [2024-09-11 20:53:24,256 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L30-4 to ERROR_LOC mainErr1REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 4 edges. [2024-09-11 20:53:24,256 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L30-4 to ERROR_LOC mainErr4REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 10 edges. [2024-09-11 20:53:24,257 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L30-4 to ERROR_LOC mainErr6REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 12 edges. [2024-09-11 20:53:24,257 INFO L367 InvariantChecker]: Will check inductivity from ENTRY __VERIFIER_assertENTRY to ERROR_LOC __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 5 edges. [2024-09-11 20:53:24,257 INFO L367 InvariantChecker]: Will check inductivity from ENTRY __VERIFIER_assertENTRY to ERROR_LOC __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 3 edges. [2024-09-11 20:53:24,257 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 2 edges. [2024-09-11 20:53:24,257 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L30-4 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 8 edges. [2024-09-11 20:53:24,257 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L30-4 to ERROR_LOC mainErr3REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 6 edges. [2024-09-11 20:53:24,258 INFO L130 InvariantChecker]: Will check 6 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, 2 loop-free subgraphs from procedure entry to error location [2024-09-11 20:53:24,290 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 5 edges [2024-09-11 20:53:24,290 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:53:24,291 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:53:24,291 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:53:24,292 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:53:24,297 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:53:24,329 INFO L101 BaseMinimizeStates]: Removed 8 edges and 4 locations by large block encoding [2024-09-11 20:53:24,331 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:53:24,331 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:53:24,331 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:53:24,331 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:53:24,332 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:53:24,346 INFO L514 InvariantChecker]: The annotation(s) from loop head L30-4 to error location mainErr2REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-11 20:53:24,376 INFO L314 BlockEncoder]: Initial Icfg 10 locations, 11 edges [2024-09-11 20:53:24,380 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:53:24,380 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:53:24,380 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:53:24,380 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:53:24,381 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:53:24,401 INFO L101 BaseMinimizeStates]: Removed 22 edges and 8 locations by large block encoding [2024-09-11 20:53:24,401 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:53:24,401 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:53:24,402 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:53:24,402 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:53:24,406 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:53:24,408 INFO L514 InvariantChecker]: The annotation(s) from loop head L30-4 to error location mainErr5REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-11 20:53:24,418 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 4 edges [2024-09-11 20:53:24,418 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:53:24,418 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:53:24,418 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:53:24,419 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:53:24,419 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:53:24,427 INFO L101 BaseMinimizeStates]: Removed 6 edges and 3 locations by large block encoding [2024-09-11 20:53:24,428 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:53:24,428 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:53:24,428 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:53:24,428 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:53:24,428 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:53:24,430 INFO L514 InvariantChecker]: The annotation(s) from loop head L30-4 to error location mainErr1REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-11 20:53:24,445 INFO L314 BlockEncoder]: Initial Icfg 9 locations, 10 edges [2024-09-11 20:53:24,446 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:53:24,446 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:53:24,446 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:53:24,446 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:53:24,446 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:53:24,464 INFO L101 BaseMinimizeStates]: Removed 18 edges and 7 locations by large block encoding [2024-09-11 20:53:24,465 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:53:24,465 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:53:24,466 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:53:24,466 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:53:24,468 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:53:24,472 INFO L514 InvariantChecker]: The annotation(s) from loop head L30-4 to error location mainErr4REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-11 20:53:24,488 INFO L314 BlockEncoder]: Initial Icfg 11 locations, 12 edges [2024-09-11 20:53:24,489 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:53:24,489 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:53:24,489 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:53:24,489 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:53:24,489 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:53:24,512 INFO L101 BaseMinimizeStates]: Removed 26 edges and 9 locations by large block encoding [2024-09-11 20:53:24,514 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:53:24,514 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:53:24,514 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:53:24,514 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:53:24,516 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:53:24,521 INFO L514 InvariantChecker]: The annotation(s) from loop head L30-4 to error location mainErr6REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-11 20:53:24,532 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 5 edges [2024-09-11 20:53:24,532 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:53:24,532 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:53:24,533 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:53:24,533 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:53:24,533 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:53:24,534 INFO L101 BaseMinimizeStates]: Removed 8 edges and 3 locations by large block encoding [2024-09-11 20:53:24,536 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:53:24,536 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:53:24,536 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:53:24,536 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:53:24,537 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:53:24,541 INFO L514 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-11 20:53:24,551 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-11 20:53:24,551 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:53:24,551 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:53:24,552 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:53:24,552 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:53:24,552 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:53:24,553 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-11 20:53:24,554 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:53:24,554 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:53:24,554 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:53:24,554 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:53:24,554 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:53:24,556 INFO L514 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION is inductive. [2024-09-11 20:53:24,566 INFO L314 BlockEncoder]: Initial Icfg 3 locations, 2 edges [2024-09-11 20:53:24,566 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:53:24,566 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:53:24,567 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:53:24,567 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:53:24,567 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:53:24,569 INFO L101 BaseMinimizeStates]: Removed 2 edges and 1 locations by large block encoding [2024-09-11 20:53:24,569 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:53:24,570 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:53:24,570 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:53:24,570 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:53:24,570 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:53:24,572 INFO L514 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-11 20:53:24,580 INFO L314 BlockEncoder]: Initial Icfg 9 locations, 8 edges [2024-09-11 20:53:24,580 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:53:24,580 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:53:24,581 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:53:24,581 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:53:24,581 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:53:24,591 INFO L101 BaseMinimizeStates]: Removed 14 edges and 7 locations by large block encoding [2024-09-11 20:53:24,591 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:53:24,591 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:53:24,591 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:53:24,591 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:53:24,591 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:53:24,594 INFO L514 InvariantChecker]: The annotation(s) from loop head L30-4 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-11 20:53:24,623 INFO L314 BlockEncoder]: Initial Icfg 7 locations, 6 edges [2024-09-11 20:53:24,623 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:53:24,623 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:53:24,623 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:53:24,623 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:53:24,623 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:53:24,655 INFO L101 BaseMinimizeStates]: Removed 10 edges and 5 locations by large block encoding [2024-09-11 20:53:24,659 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:53:24,660 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:53:24,660 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:53:24,660 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:53:24,660 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:53:24,667 INFO L514 InvariantChecker]: The annotation(s) from loop head L30-4 to error location mainErr3REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-11 20:53:24,670 INFO L58 RefereeStarter]: Annotation is a valid proof of correctness [2024-09-11 20:53:24,671 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@5c0c5def and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CFG 11.09 08:53:24, skipping insertion in model container [2024-09-11 20:53:24,671 INFO L131 PluginConnector]: ------------------------ END Referee---------------------------- [2024-09-11 20:53:24,672 INFO L158 Benchmark]: Toolchain (without parser) took 1038.12ms. Allocated memory was 134.2MB in the beginning and 192.9MB in the end (delta: 58.7MB). Free memory was 61.1MB in the beginning and 157.5MB in the end (delta: -96.4MB). Peak memory consumption was 29.9MB. Max. memory is 16.1GB. [2024-09-11 20:53:24,673 INFO L158 Benchmark]: CDTParser took 0.13ms. Allocated memory is still 134.2MB. Free memory was 96.2MB in the beginning and 96.0MB in the end (delta: 184.7kB). There was no memory consumed. Max. memory is 16.1GB. [2024-09-11 20:53:24,674 INFO L158 Benchmark]: Witness Parser took 0.08ms. Allocated memory is still 134.2MB. Free memory is still 63.0MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-11 20:53:24,674 INFO L158 Benchmark]: CACSL2BoogieTranslator took 284.78ms. Allocated memory was 134.2MB in the beginning and 192.9MB in the end (delta: 58.7MB). Free memory was 60.9MB in the beginning and 157.8MB in the end (delta: -97.0MB). Peak memory consumption was 15.2MB. Max. memory is 16.1GB. [2024-09-11 20:53:24,675 INFO L158 Benchmark]: Boogie Preprocessor took 29.10ms. Allocated memory is still 192.9MB. Free memory was 157.8MB in the beginning and 155.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-09-11 20:53:24,675 INFO L158 Benchmark]: RCFGBuilder took 300.54ms. Allocated memory is still 192.9MB. Free memory was 155.7MB in the beginning and 140.2MB in the end (delta: 15.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-09-11 20:53:24,676 INFO L158 Benchmark]: Referee took 420.94ms. Allocated memory is still 192.9MB. Free memory was 140.2MB in the beginning and 157.5MB in the end (delta: -17.3MB). Peak memory consumption was 48.2MB. Max. memory is 16.1GB. [2024-09-11 20:53:24,679 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 check that procedure precondition always holds at line 45. Annotation is valid for all loop-free paths from entry of procedure __VERIFIER_assert to exit of procedure __VERIFIER_assert. Annotation is valid for all loop-free paths from entry of procedure main to loop head at line 30. 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 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 31. Annotation is valid for all loop-free paths from entry of procedure __VERIFIER_assert to check that a call to reach_error is unreachable at line 13. Annotation is valid for all loop-free paths from loop head at line 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. * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13ms. Allocated memory is still 134.2MB. Free memory was 96.2MB in the beginning and 96.0MB in the end (delta: 184.7kB). There was no memory consumed. Max. memory is 16.1GB. * Witness Parser took 0.08ms. Allocated memory is still 134.2MB. Free memory is still 63.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 284.78ms. Allocated memory was 134.2MB in the beginning and 192.9MB in the end (delta: 58.7MB). Free memory was 60.9MB in the beginning and 157.8MB in the end (delta: -97.0MB). Peak memory consumption was 15.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 29.10ms. Allocated memory is still 192.9MB. Free memory was 157.8MB in the beginning and 155.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 300.54ms. Allocated memory is still 192.9MB. Free memory was 155.7MB in the beginning and 140.2MB in the end (delta: 15.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Referee took 420.94ms. Allocated memory is still 192.9MB. Free memory was 140.2MB in the beginning and 157.5MB in the end (delta: -17.3MB). Peak memory consumption was 48.2MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-09-11 20:53:24,702 INFO L540 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/referee/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### 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/nla-digbench-scaling/sqrt1-ll_unwindbound1.c ../results/automizer-verification-files/SV-COMP24_unreach-call/sqrt1-ll_unwindbound1.yml/witness-2.1.yml -s /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Bitvector.epf --cacsl2boogietranslator.entry.function main --traceabstraction.positions.where.we.compute.the.hoare.annotation None --- Real Ultimate output --- This is Ultimate 0.2.4-dev-a9b967e-m [2024-09-11 20:53:26,552 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-11 20:53:26,626 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Bitvector.epf [2024-09-11 20:53:26,630 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-11 20:53:26,631 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-11 20:53:26,659 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-11 20:53:26,660 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-11 20:53:26,661 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-11 20:53:26,662 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-11 20:53:26,662 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-11 20:53:26,663 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-11 20:53:26,663 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-11 20:53:26,663 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-11 20:53:26,666 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-11 20:53:26,667 INFO L153 SettingsManager]: * Use SBE=true [2024-09-11 20:53:26,667 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-11 20:53:26,667 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-11 20:53:26,667 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-11 20:53:26,668 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-11 20:53:26,668 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-11 20:53:26,668 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-11 20:53:26,668 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-11 20:53:26,668 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-11 20:53:26,669 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-09-11 20:53:26,669 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-09-11 20:53:26,669 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-11 20:53:26,669 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-09-11 20:53:26,669 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-11 20:53:26,669 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-11 20:53:26,670 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-11 20:53:26,670 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-11 20:53:26,670 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-11 20:53:26,670 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-11 20:53:26,670 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-11 20:53:26,671 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-11 20:53:26,675 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-11 20:53:26,675 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-11 20:53:26,675 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-11 20:53:26,675 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-09-11 20:53:26,676 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-09-11 20:53:26,676 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-11 20:53:26,676 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-11 20:53:26,677 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-11 20:53:26,677 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-11 20:53:26,677 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2024-09-11 20:53:26,677 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None [2024-09-11 20:53:26,927 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-11 20:53:26,951 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-11 20:53:26,953 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-11 20:53:26,954 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-11 20:53:26,955 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-11 20:53:26,956 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/automizer-verification-files/SV-COMP24_unreach-call/sqrt1-ll_unwindbound1.yml/witness-2.1.yml [2024-09-11 20:53:26,997 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-11 20:53:26,997 INFO L274 PluginConnector]: CDTParser initialized [2024-09-11 20:53:26,998 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/nla-digbench-scaling/sqrt1-ll_unwindbound1.c [2024-09-11 20:53:28,357 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-11 20:53:28,574 INFO L384 CDTParser]: Found 1 translation units. [2024-09-11 20:53:28,575 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench-scaling/sqrt1-ll_unwindbound1.c [2024-09-11 20:53:28,588 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/608096471/c36b516d36844302a41a55b2baee2503/FLAG022bac329 [2024-09-11 20:53:28,602 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/608096471/c36b516d36844302a41a55b2baee2503 [2024-09-11 20:53:28,603 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-11 20:53:28,604 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-09-11 20:53:28,605 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-11 20:53:28,606 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-11 20:53:28,614 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-11 20:53:28,615 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 11.09 08:53:26" (1/2) ... [2024-09-11 20:53:28,616 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@74f7b608 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 11.09 08:53:28, skipping insertion in model container [2024-09-11 20:53:28,616 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 11.09 08:53:26" (1/2) ... [2024-09-11 20:53:28,624 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@7eceb8b7 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 11.09 08:53:28, skipping insertion in model container [2024-09-11 20:53:28,625 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.09 08:53:28" (2/2) ... [2024-09-11 20:53:28,625 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@74f7b608 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:53:28, skipping insertion in model container [2024-09-11 20:53:28,625 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.09 08:53:28" (2/2) ... [2024-09-11 20:53:28,638 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-11 20:53:28,638 INFO L1541 ArrayList]: Loop invariant at [L30-L42] ((((((__int128) a * a) + 1) + ((__int128) 2 * a)) == s) && (((((__int128) a * a) + 2) + ((__int128) a * 4)) == (s + t))) [2024-09-11 20:53:28,639 INFO L1541 ArrayList]: Function contract at [L11]: requires (\old(cond) != 0), ensures (\old(cond) != 0) [2024-09-11 20:53:28,657 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-11 20:53:28,791 WARN L247 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_unwindbound1.c[520,533] [2024-09-11 20:53:28,817 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-11 20:53:28,826 INFO L200 MainTranslator]: Completed pre-run Start Parsing Global Start Parsing Global [2024-09-11 20:53:28,853 WARN L247 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_unwindbound1.c[520,533] Start Parsing Local [2024-09-11 20:53:28,867 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-11 20:53:28,896 INFO L204 MainTranslator]: Completed translation [2024-09-11 20:53:28,896 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:53:28 WrapperNode [2024-09-11 20:53:28,896 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-11 20:53:28,897 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-11 20:53:28,897 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-11 20:53:28,897 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-11 20:53:28,920 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:53:28" (1/1) ... [2024-09-11 20:53:28,920 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:53:28" (1/1) ... [2024-09-11 20:53:28,930 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:53:28" (1/1) ... [2024-09-11 20:53:28,947 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 [2024-09-11 20:53:28,948 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:53:28" (1/1) ... [2024-09-11 20:53:28,948 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:53:28" (1/1) ... [2024-09-11 20:53:28,956 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:53:28" (1/1) ... [2024-09-11 20:53:28,959 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:53:28" (1/1) ... [2024-09-11 20:53:28,963 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:53:28" (1/1) ... [2024-09-11 20:53:28,964 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:53:28" (1/1) ... [2024-09-11 20:53:28,965 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-11 20:53:28,968 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-11 20:53:28,968 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-11 20:53:28,968 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-11 20:53:28,969 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:53:28" (1/1) ... [2024-09-11 20:53:28,973 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-11 20:53:28,979 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-09-11 20:53:28,994 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) [2024-09-11 20:53:28,998 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 [2024-09-11 20:53:29,030 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-09-11 20:53:29,031 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-11 20:53:29,031 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-09-11 20:53:29,031 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-09-11 20:53:29,031 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-09-11 20:53:29,031 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-09-11 20:53:29,031 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-09-11 20:53:29,031 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-09-11 20:53:29,031 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-09-11 20:53:29,031 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-11 20:53:29,032 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2024-09-11 20:53:29,032 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-09-11 20:53:29,032 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-09-11 20:53:29,032 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-09-11 20:53:29,032 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-09-11 20:53:29,032 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-09-11 20:53:29,032 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-11 20:53:29,032 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2024-09-11 20:53:29,032 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2024-09-11 20:53:29,033 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-09-11 20:53:29,084 INFO L242 CfgBuilder]: Building ICFG [2024-09-11 20:53:29,086 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-11 20:53:29,910 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-11 20:53:29,963 INFO L? ?]: Removed 23 outVars from TransFormulas that were not future-live. [2024-09-11 20:53:29,963 INFO L291 CfgBuilder]: Performing block encoding [2024-09-11 20:53:29,984 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-11 20:53:29,985 INFO L318 CfgBuilder]: Removed 1 assume(true) statements. [2024-09-11 20:53:29,985 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.09 08:53:29 BoogieIcfgContainer [2024-09-11 20:53:29,985 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-11 20:53:29,986 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-09-11 20:53:29,986 INFO L270 PluginConnector]: Initializing Referee... [2024-09-11 20:53:29,986 INFO L274 PluginConnector]: Referee initialized [2024-09-11 20:53:29,987 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 11.09 08:53:26" (1/4) ... [2024-09-11 20:53:29,988 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@7d614e18 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 11.09 08:53:29, skipping insertion in model container [2024-09-11 20:53:29,989 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 11.09 08:53:28" (2/4) ... [2024-09-11 20:53:29,989 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@7d614e18 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 11.09 08:53:29, skipping insertion in model container [2024-09-11 20:53:29,990 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:53:28" (3/4) ... [2024-09-11 20:53:29,990 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@7d614e18 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 11.09 08:53:29, skipping insertion in model container [2024-09-11 20:53:29,990 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.09 08:53:29" (4/4) ... [2024-09-11 20:53:29,991 INFO L79 RefereeObserver]: Analyzing ICFG sqrt1-ll_unwindbound1.c [2024-09-11 20:53:29,994 INFO L112 InvariantChecker]: Found 1 loops. [2024-09-11 20:53:29,995 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L30-4 to ERROR_LOC mainErr2REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 5 edges. [2024-09-11 20:53:29,995 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L30-4 to ERROR_LOC mainErr5REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 11 edges. [2024-09-11 20:53:29,995 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L30-4 to ERROR_LOC mainErr1REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 4 edges. [2024-09-11 20:53:29,995 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L30-4 to ERROR_LOC mainErr4REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 10 edges. [2024-09-11 20:53:29,995 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L30-4 to ERROR_LOC mainErr6REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 12 edges. [2024-09-11 20:53:29,995 INFO L367 InvariantChecker]: Will check inductivity from ENTRY __VERIFIER_assertENTRY to ERROR_LOC __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 5 edges. [2024-09-11 20:53:29,996 INFO L367 InvariantChecker]: Will check inductivity from ENTRY __VERIFIER_assertENTRY to ERROR_LOC __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 3 edges. [2024-09-11 20:53:29,996 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 2 edges. [2024-09-11 20:53:29,996 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L30-4 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 8 edges. [2024-09-11 20:53:29,996 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L30-4 to ERROR_LOC mainErr3REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 6 edges. [2024-09-11 20:53:29,996 INFO L130 InvariantChecker]: Will check 2 loop-free subgraphs from procedure entry to error location, 1 loop-free subgraphs from procedure entry to loop head, 1 loop-free subgraphs from loop head to loop head, 6 loop-free subgraphs from loop head to error location [2024-09-11 20:53:30,060 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 5 edges [2024-09-11 20:53:30,060 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:53:30,061 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:53:30,062 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:53:30,063 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:53:30,064 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:53:30,088 INFO L101 BaseMinimizeStates]: Removed 8 edges and 4 locations by large block encoding [2024-09-11 20:53:30,089 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:53:30,089 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:53:30,089 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:53:30,090 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:53:30,090 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:53:34,169 INFO L510 InvariantChecker]: unknown inductivity: todo good error message [2024-09-11 20:53:34,233 INFO L314 BlockEncoder]: Initial Icfg 10 locations, 11 edges [2024-09-11 20:53:34,233 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:53:34,233 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:53:34,233 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:53:34,233 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:53:34,233 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:53:34,269 INFO L101 BaseMinimizeStates]: Removed 22 edges and 8 locations by large block encoding [2024-09-11 20:53:34,270 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:53:34,270 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:53:34,270 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:53:34,270 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:53:34,275 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:53:38,328 INFO L510 InvariantChecker]: unknown inductivity: todo good error message [2024-09-11 20:53:38,359 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 4 edges [2024-09-11 20:53:38,360 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:53:38,360 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:53:38,360 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:53:38,360 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:53:38,360 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:53:38,365 INFO L101 BaseMinimizeStates]: Removed 6 edges and 3 locations by large block encoding [2024-09-11 20:53:38,366 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:53:38,366 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:53:38,366 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:53:38,366 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:53:38,366 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:53:42,418 INFO L510 InvariantChecker]: unknown inductivity: todo good error message [2024-09-11 20:53:42,460 INFO L314 BlockEncoder]: Initial Icfg 9 locations, 10 edges [2024-09-11 20:53:42,461 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:53:42,461 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:53:42,461 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:53:42,461 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:53:42,461 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:53:42,492 INFO L101 BaseMinimizeStates]: Removed 18 edges and 7 locations by large block encoding [2024-09-11 20:53:42,492 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:53:42,493 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:53:42,493 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:53:42,493 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:53:42,500 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:53:46,555 INFO L510 InvariantChecker]: unknown inductivity: todo good error message [2024-09-11 20:53:46,599 INFO L314 BlockEncoder]: Initial Icfg 11 locations, 12 edges [2024-09-11 20:53:46,599 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:53:46,600 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:53:46,600 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:53:46,600 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:53:46,600 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:53:46,636 INFO L101 BaseMinimizeStates]: Removed 26 edges and 9 locations by large block encoding [2024-09-11 20:53:46,636 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:53:46,640 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:53:46,641 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:53:46,641 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:53:46,643 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:53:50,727 INFO L510 InvariantChecker]: unknown inductivity: todo good error message [2024-09-11 20:53:50,767 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 5 edges [2024-09-11 20:53:50,767 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:53:50,768 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:53:50,768 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:53:50,768 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:53:50,768 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:53:50,770 INFO L101 BaseMinimizeStates]: Removed 8 edges and 3 locations by large block encoding [2024-09-11 20:53:50,770 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:53:50,770 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:53:50,770 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:53:50,770 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:53:50,771 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:53:50,775 INFO L514 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-11 20:53:50,783 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-11 20:53:50,784 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:53:50,784 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:53:50,784 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:53:50,784 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:53:50,784 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:53:50,785 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-11 20:53:50,786 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:53:50,786 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:53:50,786 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:53:50,786 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:53:50,786 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:53:50,788 INFO L514 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION is inductive. [2024-09-11 20:53:50,795 INFO L314 BlockEncoder]: Initial Icfg 3 locations, 2 edges [2024-09-11 20:53:50,796 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:53:50,796 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:53:50,796 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:53:50,796 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:53:50,799 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:53:50,801 INFO L101 BaseMinimizeStates]: Removed 2 edges and 1 locations by large block encoding [2024-09-11 20:53:50,801 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:53:50,801 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:53:50,801 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:53:50,802 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:53:50,802 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:53:50,804 INFO L514 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-11 20:53:50,814 INFO L314 BlockEncoder]: Initial Icfg 9 locations, 8 edges [2024-09-11 20:53:50,815 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:53:50,815 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:53:50,815 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:53:50,815 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:53:50,816 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:53:50,829 INFO L101 BaseMinimizeStates]: Removed 14 edges and 7 locations by large block encoding [2024-09-11 20:53:50,829 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:53:50,829 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:53:50,830 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:53:50,830 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:53:50,830 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:53:54,998 INFO L510 InvariantChecker]: unknown inductivity: todo good error message [2024-09-11 20:53:55,061 INFO L314 BlockEncoder]: Initial Icfg 7 locations, 6 edges [2024-09-11 20:53:55,062 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:53:55,062 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:53:55,062 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:53:55,062 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:53:55,062 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:53:55,070 INFO L101 BaseMinimizeStates]: Removed 10 edges and 5 locations by large block encoding [2024-09-11 20:53:55,071 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:53:55,071 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:53:55,071 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:53:55,072 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:53:55,072 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:53:59,154 INFO L510 InvariantChecker]: unknown inductivity: todo good error message [2024-09-11 20:53:59,188 INFO L58 RefereeStarter]: Insufficient resources for checking whether annotation is a valid proof of correctness [2024-09-11 20:53:59,189 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@7d614e18 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee CFG 11.09 08:53:59, skipping insertion in model container [2024-09-11 20:53:59,189 INFO L131 PluginConnector]: ------------------------ END Referee---------------------------- [2024-09-11 20:53:59,191 INFO L158 Benchmark]: Toolchain (without parser) took 30586.33ms. Allocated memory was 71.3MB in the beginning and 94.4MB in the end (delta: 23.1MB). Free memory was 35.8MB in the beginning and 66.0MB in the end (delta: -30.2MB). Peak memory consumption was 31.2MB. Max. memory is 16.1GB. [2024-09-11 20:53:59,191 INFO L158 Benchmark]: Witness Parser took 0.16ms. Allocated memory is still 71.3MB. Free memory was 46.3MB in the beginning and 46.2MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. [2024-09-11 20:53:59,191 INFO L158 Benchmark]: CDTParser took 0.17ms. Allocated memory is still 71.3MB. Free memory was 44.3MB in the beginning and 44.2MB in the end (delta: 84.1kB). There was no memory consumed. Max. memory is 16.1GB. [2024-09-11 20:53:59,192 INFO L158 Benchmark]: CACSL2BoogieTranslator took 291.10ms. Allocated memory is still 71.3MB. Free memory was 35.6MB in the beginning and 43.1MB in the end (delta: -7.6MB). Peak memory consumption was 11.8MB. Max. memory is 16.1GB. [2024-09-11 20:53:59,192 INFO L158 Benchmark]: Boogie Preprocessor took 69.57ms. Allocated memory is still 71.3MB. Free memory was 43.1MB in the beginning and 41.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-09-11 20:53:59,193 INFO L158 Benchmark]: RCFGBuilder took 1017.67ms. Allocated memory was 71.3MB in the beginning and 94.4MB in the end (delta: 23.1MB). Free memory was 40.8MB in the beginning and 66.5MB in the end (delta: -25.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-09-11 20:53:59,193 INFO L158 Benchmark]: Referee took 29203.79ms. Allocated memory is still 94.4MB. Free memory was 66.5MB in the beginning and 66.0MB in the end (delta: 501.7kB). Peak memory consumption was 36.5MB. Max. memory is 16.1GB. [2024-09-11 20:53:59,195 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.referee: - AnnotationCheckResult: Insufficient resources for checking whether annotation is a valid proof of correctness Insufficient resources for checking whether annotation is a valid proof of correctness Insufficient resources for checking whether annotation is valid for all loop-free paths from loop head at line 30 to check that procedure precondition always holds at line 31. Insufficient resources for checking whether annotation is valid for all loop-free paths from loop head at line 30 to check that procedure precondition always holds at line 30. Insufficient resources for checking whether annotation is valid for all loop-free paths from loop head at line 30 to check that procedure precondition always holds at line 45. Insufficient resources for checking whether annotation is valid for all loop-free paths from loop head at line 30 to check that procedure precondition always holds at line 31. Insufficient resources for checking whether annotation is valid for all loop-free paths from loop head at line 30 to check that procedure precondition always holds at line 44. Insufficient resources for checking whether annotation is valid for all loop-free paths from loop head at line 30 to check that procedure precondition always holds at line 32. Insufficient resources for checking whether 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 main 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 entry of procedure __VERIFIER_assert to check that a call to reach_error is unreachable at line 13. * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Witness Parser took 0.16ms. Allocated memory is still 71.3MB. Free memory was 46.3MB in the beginning and 46.2MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. * CDTParser took 0.17ms. Allocated memory is still 71.3MB. Free memory was 44.3MB in the beginning and 44.2MB in the end (delta: 84.1kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 291.10ms. Allocated memory is still 71.3MB. Free memory was 35.6MB in the beginning and 43.1MB in the end (delta: -7.6MB). Peak memory consumption was 11.8MB. Max. memory is 16.1GB. * Boogie Preprocessor took 69.57ms. Allocated memory is still 71.3MB. Free memory was 43.1MB in the beginning and 41.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1017.67ms. Allocated memory was 71.3MB in the beginning and 94.4MB in the end (delta: 23.1MB). Free memory was 40.8MB in the beginning and 66.5MB in the end (delta: -25.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Referee took 29203.79ms. Allocated memory is still 94.4MB. Free memory was 66.5MB in the beginning and 66.0MB in the end (delta: 501.7kB). Peak memory consumption was 36.5MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-09-11 20:53:59,249 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: UNKNOWN