./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/nla-digbench-scaling/sqrt1-ll_unwindbound10.c --full-output --witness-type correctness_witness --validate ../results/automizer-verification-files/SV-COMP24_unreach-call/sqrt1-ll_unwindbound10.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_unwindbound10.c ../results/automizer-verification-files/SV-COMP24_unreach-call/sqrt1-ll_unwindbound10.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 20:53:29,892 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-11 20:53:29,966 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Default.epf [2024-09-11 20:53:29,972 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-11 20:53:29,973 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-11 20:53:30,001 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-11 20:53:30,002 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-11 20:53:30,002 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-11 20:53:30,003 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-11 20:53:30,004 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-11 20:53:30,005 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-11 20:53:30,006 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-11 20:53:30,006 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-11 20:53:30,007 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-11 20:53:30,009 INFO L153 SettingsManager]: * Use SBE=true [2024-09-11 20:53:30,010 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-11 20:53:30,010 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-11 20:53:30,010 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-11 20:53:30,010 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-09-11 20:53:30,011 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-11 20:53:30,011 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-11 20:53:30,012 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-11 20:53:30,014 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-11 20:53:30,015 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-11 20:53:30,015 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-11 20:53:30,015 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-11 20:53:30,015 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-11 20:53:30,016 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-11 20:53:30,016 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-11 20:53:30,016 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-11 20:53:30,016 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-11 20:53:30,017 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-11 20:53:30,017 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-11 20:53:30,017 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-11 20:53:30,017 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-11 20:53:30,018 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-11 20:53:30,018 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-09-11 20:53:30,018 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-09-11 20:53:30,019 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-11 20:53:30,019 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-11 20:53:30,020 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-11 20:53:30,020 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-11 20:53:30,021 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None [2024-09-11 20:53:30,286 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-11 20:53:30,319 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-11 20:53:30,326 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-11 20:53:30,327 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-11 20:53:30,328 INFO L274 PluginConnector]: CDTParser initialized [2024-09-11 20:53:30,329 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/nla-digbench-scaling/sqrt1-ll_unwindbound10.c [2024-09-11 20:53:31,742 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-11 20:53:31,948 INFO L384 CDTParser]: Found 1 translation units. [2024-09-11 20:53:31,948 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench-scaling/sqrt1-ll_unwindbound10.c [2024-09-11 20:53:31,955 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/72826d2e2/24c0866780b442e985a29fdef8d1b5de/FLAGb392a7ccf [2024-09-11 20:53:31,969 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/72826d2e2/24c0866780b442e985a29fdef8d1b5de [2024-09-11 20:53:31,972 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-11 20:53:31,973 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-11 20:53:31,974 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/automizer-verification-files/SV-COMP24_unreach-call/sqrt1-ll_unwindbound10.yml/witness-2.1.yml [2024-09-11 20:53:32,050 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-11 20:53:32,051 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-09-11 20:53:32,053 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-11 20:53:32,054 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-11 20:53:32,059 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-11 20:53:32,059 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.09 08:53:31" (1/2) ... [2024-09-11 20:53:32,062 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@27c78d5d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:53:32, skipping insertion in model container [2024-09-11 20:53:32,062 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.09 08:53:31" (1/2) ... [2024-09-11 20:53:32,064 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@282eb959 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:53:32, skipping insertion in model container [2024-09-11 20:53:32,065 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 08:53:32" (2/2) ... [2024-09-11 20:53:32,065 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@27c78d5d and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 11.09 08:53:32, skipping insertion in model container [2024-09-11 20:53:32,065 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 08:53:32" (2/2) ... [2024-09-11 20:53:32,075 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-11 20:53:32,076 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 20:53:32,076 INFO L1541 ArrayList]: Function contract at [L11]: requires (\old(cond) != 0), ensures (\old(cond) != 0) [2024-09-11 20:53:32,112 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-11 20:53:32,253 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_unwindbound10.c[520,533] [2024-09-11 20:53:32,274 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-11 20:53:32,283 INFO L200 MainTranslator]: Completed pre-run Start Parsing Global Start Parsing Global [2024-09-11 20:53:32,322 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_unwindbound10.c[520,533] Start Parsing Local [2024-09-11 20:53:32,339 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-11 20:53:32,358 INFO L204 MainTranslator]: Completed translation [2024-09-11 20:53:32,359 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 11.09 08:53:32 WrapperNode [2024-09-11 20:53:32,359 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-11 20:53:32,360 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-11 20:53:32,360 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-11 20:53:32,360 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-11 20:53:32,378 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 08:53:32" (1/1) ... [2024-09-11 20:53:32,379 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 08:53:32" (1/1) ... [2024-09-11 20:53:32,385 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 08:53:32" (1/1) ... [2024-09-11 20:53:32,400 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 20:53:32,403 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 08:53:32" (1/1) ... [2024-09-11 20:53:32,403 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 08:53:32" (1/1) ... [2024-09-11 20:53:32,407 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 08:53:32" (1/1) ... [2024-09-11 20:53:32,411 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 08:53:32" (1/1) ... [2024-09-11 20:53:32,417 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 08:53:32" (1/1) ... [2024-09-11 20:53:32,417 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 08:53:32" (1/1) ... [2024-09-11 20:53:32,422 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-11 20:53:32,424 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-11 20:53:32,424 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-11 20:53:32,424 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-11 20:53:32,425 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 08:53:32" (1/1) ... [2024-09-11 20:53:32,430 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-11 20:53:32,439 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-09-11 20:53:32,454 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 20:53:32,459 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 20:53:32,511 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-09-11 20:53:32,512 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-11 20:53:32,512 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-09-11 20:53:32,512 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-09-11 20:53:32,512 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-09-11 20:53:32,512 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-09-11 20:53:32,514 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-09-11 20:53:32,514 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-09-11 20:53:32,514 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-09-11 20:53:32,514 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-11 20:53:32,514 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2024-09-11 20:53:32,515 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-09-11 20:53:32,515 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-09-11 20:53:32,515 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-09-11 20:53:32,515 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-09-11 20:53:32,516 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-09-11 20:53:32,516 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-11 20:53:32,516 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-09-11 20:53:32,516 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-09-11 20:53:32,516 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-09-11 20:53:32,590 INFO L242 CfgBuilder]: Building ICFG [2024-09-11 20:53:32,594 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-11 20:53:32,762 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-11 20:53:32,820 INFO L? ?]: Removed 23 outVars from TransFormulas that were not future-live. [2024-09-11 20:53:32,821 INFO L291 CfgBuilder]: Performing block encoding [2024-09-11 20:53:32,853 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-11 20:53:32,853 INFO L318 CfgBuilder]: Removed 1 assume(true) statements. [2024-09-11 20:53:32,854 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.09 08:53:32 BoogieIcfgContainer [2024-09-11 20:53:32,854 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-11 20:53:32,855 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-09-11 20:53:32,855 INFO L270 PluginConnector]: Initializing Referee... [2024-09-11 20:53:32,856 INFO L274 PluginConnector]: Referee initialized [2024-09-11 20:53:32,856 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 11.09 08:53:31" (1/4) ... [2024-09-11 20:53:32,860 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@5ee86cdc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 11.09 08:53:32, skipping insertion in model container [2024-09-11 20:53:32,861 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 08:53:32" (2/4) ... [2024-09-11 20:53:32,861 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@5ee86cdc and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 11.09 08:53:32, skipping insertion in model container [2024-09-11 20:53:32,861 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 08:53:32" (3/4) ... [2024-09-11 20:53:32,861 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@5ee86cdc and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 11.09 08:53:32, skipping insertion in model container [2024-09-11 20:53:32,861 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 08:53:32" (4/4) ... [2024-09-11 20:53:32,863 INFO L79 RefereeObserver]: Analyzing ICFG sqrt1-ll_unwindbound10.c [2024-09-11 20:53:32,866 INFO L112 InvariantChecker]: Found 1 loops. [2024-09-11 20:53:32,868 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 20:53:32,868 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 20:53:32,869 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 20:53:32,869 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 20:53:32,869 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 20:53:32,870 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 20:53:32,870 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 20:53:32,870 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 20:53:32,870 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 20:53:32,871 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 20:53:32,871 INFO L130 InvariantChecker]: Will check 6 loop-free subgraphs from loop head to error location, 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 [2024-09-11 20:53:32,931 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 5 edges [2024-09-11 20:53:32,932 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:53:32,932 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:53:32,933 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:53:32,934 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:53:32,936 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:53:32,970 INFO L101 BaseMinimizeStates]: Removed 8 edges and 4 locations by large block encoding [2024-09-11 20:53:32,972 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:53:32,972 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:53:32,972 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:53:32,973 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:53:32,973 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:53:32,992 INFO L514 InvariantChecker]: The annotation(s) from loop head L30-4 to error location mainErr2REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-11 20:53:33,023 INFO L314 BlockEncoder]: Initial Icfg 10 locations, 11 edges [2024-09-11 20:53:33,024 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:53:33,024 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:53:33,025 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:53:33,025 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:53:33,025 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:53:33,059 INFO L101 BaseMinimizeStates]: Removed 22 edges and 8 locations by large block encoding [2024-09-11 20:53:33,060 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:53:33,060 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:53:33,060 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:53:33,060 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:53:33,066 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:53:33,074 INFO L514 InvariantChecker]: The annotation(s) from loop head L30-4 to error location mainErr5REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-11 20:53:33,091 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 4 edges [2024-09-11 20:53:33,093 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:53:33,094 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:53:33,094 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:53:33,094 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:53:33,094 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:53:33,102 INFO L101 BaseMinimizeStates]: Removed 6 edges and 3 locations by large block encoding [2024-09-11 20:53:33,103 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:53:33,103 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:53:33,103 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:53:33,103 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:53:33,104 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:53:33,107 INFO L514 InvariantChecker]: The annotation(s) from loop head L30-4 to error location mainErr1REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-11 20:53:33,123 INFO L314 BlockEncoder]: Initial Icfg 9 locations, 10 edges [2024-09-11 20:53:33,124 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:53:33,124 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:53:33,124 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:53:33,127 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:53:33,127 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:53:33,148 INFO L101 BaseMinimizeStates]: Removed 18 edges and 7 locations by large block encoding [2024-09-11 20:53:33,148 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:53:33,149 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:53:33,149 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:53:33,149 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:53:33,151 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:53:33,153 INFO L514 InvariantChecker]: The annotation(s) from loop head L30-4 to error location mainErr4REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-11 20:53:33,165 INFO L314 BlockEncoder]: Initial Icfg 11 locations, 12 edges [2024-09-11 20:53:33,165 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:53:33,165 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:53:33,166 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:53:33,166 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:53:33,166 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:53:33,195 INFO L101 BaseMinimizeStates]: Removed 26 edges and 9 locations by large block encoding [2024-09-11 20:53:33,197 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:53:33,197 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:53:33,198 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:53:33,198 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:53:33,202 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:53:33,206 INFO L514 InvariantChecker]: The annotation(s) from loop head L30-4 to error location mainErr6REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-11 20:53:33,215 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 5 edges [2024-09-11 20:53:33,215 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:53:33,215 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:53:33,215 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:53:33,216 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:53:33,216 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:53:33,218 INFO L101 BaseMinimizeStates]: Removed 8 edges and 3 locations by large block encoding [2024-09-11 20:53:33,218 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:53:33,218 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:53:33,218 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:53:33,218 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:53:33,219 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:53:33,228 INFO L514 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-11 20:53:33,247 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-11 20:53:33,248 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:53:33,248 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:53:33,248 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:53:33,248 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:53:33,248 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:53:33,249 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-11 20:53:33,250 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:53:33,251 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:53:33,251 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:53:33,251 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:53:33,252 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:53:33,254 INFO L514 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION is inductive. [2024-09-11 20:53:33,263 INFO L314 BlockEncoder]: Initial Icfg 3 locations, 2 edges [2024-09-11 20:53:33,263 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:53:33,264 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:53:33,264 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:53:33,264 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:53:33,264 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:53:33,266 INFO L101 BaseMinimizeStates]: Removed 2 edges and 1 locations by large block encoding [2024-09-11 20:53:33,266 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:53:33,266 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:53:33,266 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:53:33,267 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:53:33,267 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:53:33,269 INFO L514 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-11 20:53:33,281 INFO L314 BlockEncoder]: Initial Icfg 9 locations, 8 edges [2024-09-11 20:53:33,283 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:53:33,283 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:53:33,285 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:53:33,285 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:53:33,285 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:53:33,305 INFO L101 BaseMinimizeStates]: Removed 14 edges and 7 locations by large block encoding [2024-09-11 20:53:33,305 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:53:33,305 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:53:33,305 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:53:33,306 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:53:33,306 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:53:33,310 INFO L514 InvariantChecker]: The annotation(s) from loop head L30-4 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-11 20:53:33,323 INFO L314 BlockEncoder]: Initial Icfg 7 locations, 6 edges [2024-09-11 20:53:33,323 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:53:33,323 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:53:33,323 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:53:33,324 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:53:33,324 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:53:33,333 INFO L101 BaseMinimizeStates]: Removed 10 edges and 5 locations by large block encoding [2024-09-11 20:53:33,333 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:53:33,334 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:53:33,334 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:53:33,334 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:53:33,335 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:53:33,338 INFO L514 InvariantChecker]: The annotation(s) from loop head L30-4 to error location mainErr3REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-11 20:53:33,342 INFO L58 RefereeStarter]: Annotation is a valid proof of correctness [2024-09-11 20:53:33,343 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@5ee86cdc and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CFG 11.09 08:53:33, skipping insertion in model container [2024-09-11 20:53:33,344 INFO L131 PluginConnector]: ------------------------ END Referee---------------------------- [2024-09-11 20:53:33,347 INFO L158 Benchmark]: Toolchain (without parser) took 1293.70ms. Allocated memory was 127.9MB in the beginning and 180.4MB in the end (delta: 52.4MB). Free memory was 100.1MB in the beginning and 74.0MB in the end (delta: 26.2MB). Peak memory consumption was 78.3MB. Max. memory is 16.1GB. [2024-09-11 20:53:33,347 INFO L158 Benchmark]: CDTParser took 0.16ms. Allocated memory is still 127.9MB. Free memory was 79.6MB in the beginning and 79.4MB in the end (delta: 142.6kB). There was no memory consumed. Max. memory is 16.1GB. [2024-09-11 20:53:33,348 INFO L158 Benchmark]: Witness Parser took 0.11ms. Allocated memory is still 127.9MB. Free memory is still 57.4MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-11 20:53:33,349 INFO L158 Benchmark]: CACSL2BoogieTranslator took 305.74ms. Allocated memory was 127.9MB in the beginning and 180.4MB in the end (delta: 52.4MB). Free memory was 99.9MB in the beginning and 142.1MB in the end (delta: -42.2MB). Peak memory consumption was 11.2MB. Max. memory is 16.1GB. [2024-09-11 20:53:33,350 INFO L158 Benchmark]: Boogie Preprocessor took 63.03ms. Allocated memory is still 180.4MB. Free memory was 142.1MB in the beginning and 140.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-09-11 20:53:33,351 INFO L158 Benchmark]: RCFGBuilder took 430.52ms. Allocated memory is still 180.4MB. Free memory was 140.0MB in the beginning and 124.3MB in the end (delta: 15.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-09-11 20:53:33,351 INFO L158 Benchmark]: Referee took 489.32ms. Allocated memory is still 180.4MB. Free memory was 124.3MB in the beginning and 74.0MB in the end (delta: 50.3MB). Peak memory consumption was 50.3MB. Max. memory is 16.1GB. [2024-09-11 20:53:33,354 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.referee: - AnnotationCheckResult: Annotation is a valid proof of correctness Annotation is a valid proof of correctness Annotation is valid for all loop-free paths from entry of procedure __VERIFIER_assert to 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 32. 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 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 45. 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 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 44. Annotation is valid for all loop-free paths from loop head at line 30 to check that procedure precondition always holds 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 127.9MB. Free memory was 79.6MB in the beginning and 79.4MB in the end (delta: 142.6kB). There was no memory consumed. Max. memory is 16.1GB. * Witness Parser took 0.11ms. Allocated memory is still 127.9MB. Free memory is still 57.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 305.74ms. Allocated memory was 127.9MB in the beginning and 180.4MB in the end (delta: 52.4MB). Free memory was 99.9MB in the beginning and 142.1MB in the end (delta: -42.2MB). Peak memory consumption was 11.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 63.03ms. Allocated memory is still 180.4MB. Free memory was 142.1MB in the beginning and 140.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 430.52ms. Allocated memory is still 180.4MB. Free memory was 140.0MB in the beginning and 124.3MB in the end (delta: 15.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Referee took 489.32ms. Allocated memory is still 180.4MB. Free memory was 124.3MB in the beginning and 74.0MB in the end (delta: 50.3MB). Peak memory consumption was 50.3MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-09-11 20:53:33,383 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 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_unwindbound10.c ../results/automizer-verification-files/SV-COMP24_unreach-call/sqrt1-ll_unwindbound10.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 20:53:35,598 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-11 20:53:35,672 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Bitvector.epf [2024-09-11 20:53:35,678 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-11 20:53:35,678 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-11 20:53:35,709 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-11 20:53:35,709 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-11 20:53:35,710 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-11 20:53:35,711 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-11 20:53:35,715 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-11 20:53:35,715 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-11 20:53:35,716 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-11 20:53:35,716 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-11 20:53:35,720 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-11 20:53:35,720 INFO L153 SettingsManager]: * Use SBE=true [2024-09-11 20:53:35,721 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-11 20:53:35,721 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-11 20:53:35,721 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-11 20:53:35,721 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-11 20:53:35,722 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-11 20:53:35,722 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-11 20:53:35,723 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-11 20:53:35,723 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-11 20:53:35,724 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-09-11 20:53:35,724 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-09-11 20:53:35,724 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-11 20:53:35,725 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-09-11 20:53:35,725 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-11 20:53:35,725 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-11 20:53:35,725 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-11 20:53:35,726 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-11 20:53:35,726 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-11 20:53:35,726 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-11 20:53:35,726 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-11 20:53:35,727 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-11 20:53:35,727 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-11 20:53:35,728 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-11 20:53:35,729 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-11 20:53:35,729 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-09-11 20:53:35,730 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-09-11 20:53:35,730 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-11 20:53:35,730 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-11 20:53:35,730 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-11 20:53:35,731 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-11 20:53:35,731 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2024-09-11 20:53:35,731 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None [2024-09-11 20:53:36,063 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-11 20:53:36,089 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-11 20:53:36,091 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-11 20:53:36,093 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-11 20:53:36,093 INFO L274 PluginConnector]: CDTParser initialized [2024-09-11 20:53:36,095 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/nla-digbench-scaling/sqrt1-ll_unwindbound10.c [2024-09-11 20:53:37,691 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-11 20:53:37,893 INFO L384 CDTParser]: Found 1 translation units. [2024-09-11 20:53:37,894 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench-scaling/sqrt1-ll_unwindbound10.c [2024-09-11 20:53:37,903 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/66ba4b1b8/13aa4a22c386491d9d819b14201f613e/FLAG945f2e4e9 [2024-09-11 20:53:37,922 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/66ba4b1b8/13aa4a22c386491d9d819b14201f613e [2024-09-11 20:53:37,925 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-11 20:53:37,926 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-11 20:53:37,927 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/automizer-verification-files/SV-COMP24_unreach-call/sqrt1-ll_unwindbound10.yml/witness-2.1.yml [2024-09-11 20:53:37,993 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-11 20:53:37,994 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-09-11 20:53:37,997 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-11 20:53:37,998 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-11 20:53:38,003 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-11 20:53:38,003 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.09 08:53:37" (1/2) ... [2024-09-11 20:53:38,004 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@27bf3843 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:53:38, skipping insertion in model container [2024-09-11 20:53:38,005 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.09 08:53:37" (1/2) ... [2024-09-11 20:53:38,009 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@2431af9d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:53:38, skipping insertion in model container [2024-09-11 20:53:38,009 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 08:53:37" (2/2) ... [2024-09-11 20:53:38,009 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@27bf3843 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 11.09 08:53:38, skipping insertion in model container [2024-09-11 20:53:38,009 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 08:53:37" (2/2) ... [2024-09-11 20:53:38,019 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-11 20:53:38,020 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 20:53:38,020 INFO L1541 ArrayList]: Function contract at [L11]: requires (\old(cond) != 0), ensures (\old(cond) != 0) [2024-09-11 20:53:38,041 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-11 20:53:38,209 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_unwindbound10.c[520,533] [2024-09-11 20:53:38,243 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-11 20:53:38,256 INFO L200 MainTranslator]: Completed pre-run Start Parsing Global Start Parsing Global [2024-09-11 20:53:38,294 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_unwindbound10.c[520,533] Start Parsing Local [2024-09-11 20:53:38,310 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-11 20:53:38,329 INFO L204 MainTranslator]: Completed translation [2024-09-11 20:53:38,330 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 11.09 08:53:38 WrapperNode [2024-09-11 20:53:38,331 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-11 20:53:38,331 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-11 20:53:38,332 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-11 20:53:38,332 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-11 20:53:38,343 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 08:53:38" (1/1) ... [2024-09-11 20:53:38,343 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 08:53:38" (1/1) ... [2024-09-11 20:53:38,351 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 08:53:38" (1/1) ... [2024-09-11 20:53:38,360 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 20:53:38,364 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 08:53:38" (1/1) ... [2024-09-11 20:53:38,366 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 08:53:38" (1/1) ... [2024-09-11 20:53:38,372 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 08:53:38" (1/1) ... [2024-09-11 20:53:38,380 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 08:53:38" (1/1) ... [2024-09-11 20:53:38,383 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 08:53:38" (1/1) ... [2024-09-11 20:53:38,387 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 08:53:38" (1/1) ... [2024-09-11 20:53:38,391 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-11 20:53:38,392 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-11 20:53:38,392 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-11 20:53:38,392 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-11 20:53:38,393 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 08:53:38" (1/1) ... [2024-09-11 20:53:38,398 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-11 20:53:38,409 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-09-11 20:53:38,426 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 20:53:38,433 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 20:53:38,478 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-09-11 20:53:38,478 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-11 20:53:38,480 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-09-11 20:53:38,480 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-09-11 20:53:38,480 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-09-11 20:53:38,480 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-09-11 20:53:38,480 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-09-11 20:53:38,481 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-09-11 20:53:38,481 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-09-11 20:53:38,481 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-11 20:53:38,481 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2024-09-11 20:53:38,482 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-09-11 20:53:38,482 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-09-11 20:53:38,482 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-09-11 20:53:38,482 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-09-11 20:53:38,482 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-09-11 20:53:38,483 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-11 20:53:38,483 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2024-09-11 20:53:38,483 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2024-09-11 20:53:38,483 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-09-11 20:53:38,571 INFO L242 CfgBuilder]: Building ICFG [2024-09-11 20:53:38,575 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-11 20:53:39,789 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-11 20:53:39,852 INFO L? ?]: Removed 23 outVars from TransFormulas that were not future-live. [2024-09-11 20:53:39,852 INFO L291 CfgBuilder]: Performing block encoding [2024-09-11 20:53:39,877 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-11 20:53:39,878 INFO L318 CfgBuilder]: Removed 1 assume(true) statements. [2024-09-11 20:53:39,878 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.09 08:53:39 BoogieIcfgContainer [2024-09-11 20:53:39,878 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-11 20:53:39,879 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-09-11 20:53:39,879 INFO L270 PluginConnector]: Initializing Referee... [2024-09-11 20:53:39,880 INFO L274 PluginConnector]: Referee initialized [2024-09-11 20:53:39,880 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 11.09 08:53:37" (1/4) ... [2024-09-11 20:53:39,881 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@2d828c47 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 11.09 08:53:39, skipping insertion in model container [2024-09-11 20:53:39,881 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 08:53:37" (2/4) ... [2024-09-11 20:53:39,881 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@2d828c47 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 11.09 08:53:39, skipping insertion in model container [2024-09-11 20:53:39,881 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 08:53:38" (3/4) ... [2024-09-11 20:53:39,882 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@2d828c47 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 11.09 08:53:39, skipping insertion in model container [2024-09-11 20:53:39,882 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 08:53:39" (4/4) ... [2024-09-11 20:53:39,883 INFO L79 RefereeObserver]: Analyzing ICFG sqrt1-ll_unwindbound10.c [2024-09-11 20:53:39,887 INFO L112 InvariantChecker]: Found 1 loops. [2024-09-11 20:53:39,888 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 20:53:39,888 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 20:53:39,888 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 20:53:39,889 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 20:53:39,889 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 20:53:39,889 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 20:53:39,889 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 20:53:39,889 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 20:53:39,890 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 20:53:39,890 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 20:53:39,890 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, 2 loop-free subgraphs from procedure entry to error location, 1 loop-free subgraphs from procedure entry to loop head [2024-09-11 20:53:39,963 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 5 edges [2024-09-11 20:53:39,964 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:53:39,964 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:53:39,965 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:53:39,967 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:53:39,969 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:53:40,015 INFO L101 BaseMinimizeStates]: Removed 8 edges and 4 locations by large block encoding [2024-09-11 20:53:40,016 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:53:40,016 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:53:40,017 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:53:40,017 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:53:40,018 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:53:44,112 INFO L510 InvariantChecker]: unknown inductivity: todo good error message [2024-09-11 20:53:44,167 INFO L314 BlockEncoder]: Initial Icfg 10 locations, 11 edges [2024-09-11 20:53:44,169 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:53:44,170 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:53:44,170 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:53:44,170 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:53:44,170 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:53:44,225 INFO L101 BaseMinimizeStates]: Removed 22 edges and 8 locations by large block encoding [2024-09-11 20:53:44,226 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:53:44,226 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:53:44,226 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:53:44,226 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:53:44,236 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:53:48,315 INFO L510 InvariantChecker]: unknown inductivity: todo good error message [2024-09-11 20:53:48,349 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 4 edges [2024-09-11 20:53:48,350 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:53:48,350 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:53:48,350 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:53:48,350 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:53:48,350 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:53:48,357 INFO L101 BaseMinimizeStates]: Removed 6 edges and 3 locations by large block encoding [2024-09-11 20:53:48,357 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:53:48,358 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:53:48,358 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:53:48,358 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:53:48,358 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:53:52,428 INFO L510 InvariantChecker]: unknown inductivity: todo good error message [2024-09-11 20:53:52,470 INFO L314 BlockEncoder]: Initial Icfg 9 locations, 10 edges [2024-09-11 20:53:52,470 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:53:52,470 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:53:52,470 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:53:52,470 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:53:52,470 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:53:52,499 INFO L101 BaseMinimizeStates]: Removed 18 edges and 7 locations by large block encoding [2024-09-11 20:53:52,499 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:53:52,500 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:53:52,500 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:53:52,500 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:53:52,505 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:53:56,580 INFO L510 InvariantChecker]: unknown inductivity: todo good error message [2024-09-11 20:53:56,619 INFO L314 BlockEncoder]: Initial Icfg 11 locations, 12 edges [2024-09-11 20:53:56,619 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:53:56,619 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:53:56,620 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:53:56,620 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:53:56,620 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:53:56,648 INFO L101 BaseMinimizeStates]: Removed 26 edges and 9 locations by large block encoding [2024-09-11 20:53:56,649 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:53:56,649 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:53:56,649 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:53:56,649 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:53:56,661 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:54:00,754 INFO L510 InvariantChecker]: unknown inductivity: todo good error message [2024-09-11 20:54:00,795 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 5 edges [2024-09-11 20:54:00,795 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:54:00,796 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:54:00,796 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:54:00,796 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:54:00,796 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:54:00,798 INFO L101 BaseMinimizeStates]: Removed 8 edges and 3 locations by large block encoding [2024-09-11 20:54:00,799 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:54:00,799 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:54:00,799 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:54:00,799 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:54:00,800 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:54:00,808 INFO L514 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-11 20:54:00,820 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-11 20:54:00,820 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:54:00,821 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:54:00,821 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:54:00,821 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:54:00,821 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:54:00,823 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-11 20:54:00,823 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:54:00,823 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:54:00,823 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:54:00,823 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:54:00,824 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:54:00,826 INFO L514 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION is inductive. [2024-09-11 20:54:00,839 INFO L314 BlockEncoder]: Initial Icfg 3 locations, 2 edges [2024-09-11 20:54:00,839 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:54:00,839 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:54:00,839 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:54:00,840 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:54:00,840 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:54:00,843 INFO L101 BaseMinimizeStates]: Removed 2 edges and 1 locations by large block encoding [2024-09-11 20:54:00,844 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:54:00,846 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:54:00,846 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:54:00,846 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:54:00,847 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:54:00,849 INFO L514 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-11 20:54:00,862 INFO L314 BlockEncoder]: Initial Icfg 9 locations, 8 edges [2024-09-11 20:54:00,862 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:54:00,862 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:54:00,863 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:54:00,863 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:54:00,863 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:54:00,884 INFO L101 BaseMinimizeStates]: Removed 14 edges and 7 locations by large block encoding [2024-09-11 20:54:00,884 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:54:00,885 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:54:00,885 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:54:00,885 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:54:00,885 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:54:05,126 INFO L510 InvariantChecker]: unknown inductivity: todo good error message [2024-09-11 20:54:05,190 INFO L314 BlockEncoder]: Initial Icfg 7 locations, 6 edges [2024-09-11 20:54:05,190 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:54:05,190 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:54:05,190 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:54:05,190 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:54:05,191 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:54:05,203 INFO L101 BaseMinimizeStates]: Removed 10 edges and 5 locations by large block encoding [2024-09-11 20:54:05,203 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:54:05,204 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:54:05,204 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:54:05,204 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:54:05,204 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:54:09,309 INFO L510 InvariantChecker]: unknown inductivity: todo good error message [2024-09-11 20:54:09,346 INFO L58 RefereeStarter]: Insufficient resources for checking whether annotation is a valid proof of correctness [2024-09-11 20:54:09,346 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@2d828c47 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CFG 11.09 08:54:09, skipping insertion in model container [2024-09-11 20:54:09,346 INFO L131 PluginConnector]: ------------------------ END Referee---------------------------- [2024-09-11 20:54:09,348 INFO L158 Benchmark]: Toolchain (without parser) took 31352.92ms. Allocated memory was 73.4MB in the beginning and 88.1MB in the end (delta: 14.7MB). Free memory was 52.7MB in the beginning and 58.7MB in the end (delta: -6.0MB). Peak memory consumption was 38.5MB. Max. memory is 16.1GB. [2024-09-11 20:54:09,348 INFO L158 Benchmark]: CDTParser took 0.94ms. Allocated memory is still 50.3MB. Free memory is still 27.5MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-11 20:54:09,349 INFO L158 Benchmark]: Witness Parser took 0.21ms. Allocated memory is still 73.4MB. Free memory is still 36.6MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-11 20:54:09,349 INFO L158 Benchmark]: CACSL2BoogieTranslator took 334.22ms. Allocated memory is still 73.4MB. Free memory was 52.5MB in the beginning and 38.2MB in the end (delta: 14.2MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-09-11 20:54:09,350 INFO L158 Benchmark]: Boogie Preprocessor took 59.99ms. Allocated memory is still 73.4MB. Free memory was 38.2MB in the beginning and 36.0MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-09-11 20:54:09,350 INFO L158 Benchmark]: RCFGBuilder took 1486.54ms. Allocated memory is still 73.4MB. Free memory was 36.0MB in the beginning and 38.2MB in the end (delta: -2.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-09-11 20:54:09,353 INFO L158 Benchmark]: Referee took 29467.21ms. Allocated memory was 73.4MB in the beginning and 88.1MB in the end (delta: 14.7MB). Free memory was 38.2MB in the beginning and 58.7MB in the end (delta: -20.5MB). Peak memory consumption was 23.8MB. Max. memory is 16.1GB. [2024-09-11 20:54:09,356 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 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 32. 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 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 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 31. 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 __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. 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 0.94ms. Allocated memory is still 50.3MB. Free memory is still 27.5MB. There was no memory consumed. Max. memory is 16.1GB. * Witness Parser took 0.21ms. Allocated memory is still 73.4MB. Free memory is still 36.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 334.22ms. Allocated memory is still 73.4MB. Free memory was 52.5MB in the beginning and 38.2MB in the end (delta: 14.2MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Preprocessor took 59.99ms. Allocated memory is still 73.4MB. Free memory was 38.2MB in the beginning and 36.0MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1486.54ms. Allocated memory is still 73.4MB. Free memory was 36.0MB in the beginning and 38.2MB in the end (delta: -2.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Referee took 29467.21ms. Allocated memory was 73.4MB in the beginning and 88.1MB in the end (delta: 14.7MB). Free memory was 38.2MB in the beginning and 58.7MB in the end (delta: -20.5MB). Peak memory consumption was 23.8MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-09-11 20:54:09,418 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