./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/nla-digbench-scaling/sqrt1-ll_unwindbound2.c --full-output --witness-type correctness_witness --validate ../results/automizer-verification-files/SV-COMP24_unreach-call/sqrt1-ll_unwindbound2.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_unwindbound2.c ../results/automizer-verification-files/SV-COMP24_unreach-call/sqrt1-ll_unwindbound2.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 20:53:31,886 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-11 20:53:31,945 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Default.epf [2024-09-11 20:53:31,949 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-11 20:53:31,949 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-11 20:53:31,965 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-11 20:53:31,965 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-11 20:53:31,966 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-11 20:53:31,966 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-11 20:53:31,967 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-11 20:53:31,967 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-11 20:53:31,967 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-11 20:53:31,968 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-11 20:53:31,969 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-11 20:53:31,969 INFO L153 SettingsManager]: * Use SBE=true [2024-09-11 20:53:31,970 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-11 20:53:31,970 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-11 20:53:31,970 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-11 20:53:31,970 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-09-11 20:53:31,970 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-11 20:53:31,971 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-11 20:53:31,971 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-11 20:53:31,974 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-11 20:53:31,974 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-11 20:53:31,974 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-11 20:53:31,974 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-11 20:53:31,974 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-11 20:53:31,974 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-11 20:53:31,975 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-11 20:53:31,975 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-11 20:53:31,975 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-11 20:53:31,975 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-11 20:53:31,975 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-11 20:53:31,975 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-11 20:53:31,976 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-11 20:53:31,976 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-11 20:53:31,976 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-09-11 20:53:31,976 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-09-11 20:53:31,976 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-11 20:53:31,976 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-11 20:53:31,976 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-11 20:53:31,977 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-11 20:53:31,978 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None [2024-09-11 20:53:32,168 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-11 20:53:32,186 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-11 20:53:32,189 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-11 20:53:32,190 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-11 20:53:32,191 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-11 20:53:32,192 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/automizer-verification-files/SV-COMP24_unreach-call/sqrt1-ll_unwindbound2.yml/witness-2.1.yml [2024-09-11 20:53:32,251 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-11 20:53:32,252 INFO L274 PluginConnector]: CDTParser initialized [2024-09-11 20:53:32,252 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/nla-digbench-scaling/sqrt1-ll_unwindbound2.c [2024-09-11 20:53:33,507 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-11 20:53:33,637 INFO L384 CDTParser]: Found 1 translation units. [2024-09-11 20:53:33,638 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench-scaling/sqrt1-ll_unwindbound2.c [2024-09-11 20:53:33,643 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/801e67100/b6683d269e7045dea0245444def86f03/FLAGd5ca370df [2024-09-11 20:53:34,061 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/801e67100/b6683d269e7045dea0245444def86f03 [2024-09-11 20:53:34,061 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-11 20:53:34,062 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-09-11 20:53:34,063 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-11 20:53:34,063 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-11 20:53:34,067 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-11 20:53:34,069 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" (1/2) ... [2024-09-11 20:53:34,069 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7e79e378 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 11.09 08:53:34, skipping insertion in model container [2024-09-11 20:53:34,069 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" (1/2) ... [2024-09-11 20:53:34,071 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@4001a79c and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 11.09 08:53:34, skipping insertion in model container [2024-09-11 20:53:34,071 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.09 08:53:34" (2/2) ... [2024-09-11 20:53:34,071 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7e79e378 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:53:34, skipping insertion in model container [2024-09-11 20:53:34,072 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.09 08:53:34" (2/2) ... [2024-09-11 20:53:34,077 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-11 20:53:34,079 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 20:53:34,079 INFO L1541 ArrayList]: Function contract at [L11]: requires (\old(cond) != 0), ensures (\old(cond) != 0) [2024-09-11 20:53:34,091 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-11 20:53:34,208 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_unwindbound2.c[520,533] [2024-09-11 20:53:34,224 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-11 20:53:34,232 INFO L200 MainTranslator]: Completed pre-run Start Parsing Global Start Parsing Global [2024-09-11 20:53:34,264 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_unwindbound2.c[520,533] Start Parsing Local [2024-09-11 20:53:34,274 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-11 20:53:34,299 INFO L204 MainTranslator]: Completed translation [2024-09-11 20:53:34,300 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:53:34 WrapperNode [2024-09-11 20:53:34,300 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-11 20:53:34,301 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-11 20:53:34,301 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-11 20:53:34,301 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-11 20:53:34,310 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:53:34" (1/1) ... [2024-09-11 20:53:34,311 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:53:34" (1/1) ... [2024-09-11 20:53:34,315 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:53:34" (1/1) ... [2024-09-11 20:53:34,325 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 20:53:34,326 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:53:34" (1/1) ... [2024-09-11 20:53:34,326 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:53:34" (1/1) ... [2024-09-11 20:53:34,329 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:53:34" (1/1) ... [2024-09-11 20:53:34,332 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:53:34" (1/1) ... [2024-09-11 20:53:34,333 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:53:34" (1/1) ... [2024-09-11 20:53:34,334 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:53:34" (1/1) ... [2024-09-11 20:53:34,336 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-11 20:53:34,340 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-11 20:53:34,341 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-11 20:53:34,341 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-11 20:53:34,341 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:53:34" (1/1) ... [2024-09-11 20:53:34,345 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-11 20:53:34,354 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-09-11 20:53:34,367 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 20:53:34,369 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 20:53:34,404 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-09-11 20:53:34,404 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-11 20:53:34,404 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-09-11 20:53:34,404 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-09-11 20:53:34,405 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-09-11 20:53:34,406 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-09-11 20:53:34,406 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-09-11 20:53:34,406 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-09-11 20:53:34,406 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-09-11 20:53:34,406 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-11 20:53:34,407 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2024-09-11 20:53:34,407 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-09-11 20:53:34,407 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-09-11 20:53:34,407 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-09-11 20:53:34,407 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-09-11 20:53:34,407 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-09-11 20:53:34,407 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-11 20:53:34,408 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-09-11 20:53:34,408 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-09-11 20:53:34,408 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-09-11 20:53:34,460 INFO L242 CfgBuilder]: Building ICFG [2024-09-11 20:53:34,461 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-11 20:53:34,583 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-11 20:53:34,617 INFO L? ?]: Removed 23 outVars from TransFormulas that were not future-live. [2024-09-11 20:53:34,617 INFO L291 CfgBuilder]: Performing block encoding [2024-09-11 20:53:34,633 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-11 20:53:34,633 INFO L318 CfgBuilder]: Removed 1 assume(true) statements. [2024-09-11 20:53:34,633 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.09 08:53:34 BoogieIcfgContainer [2024-09-11 20:53:34,633 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-11 20:53:34,634 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-09-11 20:53:34,634 INFO L270 PluginConnector]: Initializing Referee... [2024-09-11 20:53:34,638 INFO L274 PluginConnector]: Referee initialized [2024-09-11 20:53:34,638 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" (1/4) ... [2024-09-11 20:53:34,638 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@48074c78 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 11.09 08:53:34, skipping insertion in model container [2024-09-11 20:53:34,638 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 11.09 08:53:34" (2/4) ... [2024-09-11 20:53:34,638 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@48074c78 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 11.09 08:53:34, skipping insertion in model container [2024-09-11 20:53:34,638 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:53:34" (3/4) ... [2024-09-11 20:53:34,639 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@48074c78 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 11.09 08:53:34, skipping insertion in model container [2024-09-11 20:53:34,639 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.09 08:53:34" (4/4) ... [2024-09-11 20:53:34,640 INFO L79 RefereeObserver]: Analyzing ICFG sqrt1-ll_unwindbound2.c [2024-09-11 20:53:34,642 INFO L112 InvariantChecker]: Found 1 loops. [2024-09-11 20:53:34,643 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 20:53:34,643 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 20:53:34,643 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 20:53:34,643 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 20:53:34,643 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 20:53:34,644 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 20:53:34,644 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 20:53:34,644 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 20:53:34,644 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 20:53:34,644 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 20:53:34,644 INFO L130 InvariantChecker]: Will check 1 loop-free subgraphs from procedure entry to loop head, 2 loop-free subgraphs from procedure entry to error location, 6 loop-free subgraphs from loop head to error location, 1 loop-free subgraphs from loop head to loop head [2024-09-11 20:53:34,675 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 5 edges [2024-09-11 20:53:34,676 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:53:34,676 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:53:34,677 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:53:34,678 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:53:34,679 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:53:34,720 INFO L101 BaseMinimizeStates]: Removed 8 edges and 4 locations by large block encoding [2024-09-11 20:53:34,721 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:53:34,721 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:53:34,722 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:53:34,722 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:53:34,722 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:53:34,736 INFO L514 InvariantChecker]: The annotation(s) from loop head L30-4 to error location mainErr2REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-11 20:53:34,751 INFO L314 BlockEncoder]: Initial Icfg 10 locations, 11 edges [2024-09-11 20:53:34,751 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:53:34,751 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:53:34,751 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:53:34,751 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:53:34,751 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:53:34,771 INFO L101 BaseMinimizeStates]: Removed 22 edges and 8 locations by large block encoding [2024-09-11 20:53:34,773 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:53:34,773 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:53:34,773 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:53:34,774 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:53:34,779 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:53:34,783 INFO L514 InvariantChecker]: The annotation(s) from loop head L30-4 to error location mainErr5REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-11 20:53:34,793 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 4 edges [2024-09-11 20:53:34,794 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:53:34,794 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:53:34,794 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:53:34,794 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:53:34,794 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:53:34,801 INFO L101 BaseMinimizeStates]: Removed 6 edges and 3 locations by large block encoding [2024-09-11 20:53:34,801 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:53:34,801 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:53:34,801 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:53:34,801 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:53:34,802 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:53:34,805 INFO L514 InvariantChecker]: The annotation(s) from loop head L30-4 to error location mainErr1REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-11 20:53:34,821 INFO L314 BlockEncoder]: Initial Icfg 9 locations, 10 edges [2024-09-11 20:53:34,821 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:53:34,821 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:53:34,822 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:53:34,822 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:53:34,822 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:53:34,838 INFO L101 BaseMinimizeStates]: Removed 18 edges and 7 locations by large block encoding [2024-09-11 20:53:34,839 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:53:34,839 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:53:34,839 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:53:34,839 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:53:34,842 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:53:34,844 INFO L514 InvariantChecker]: The annotation(s) from loop head L30-4 to error location mainErr4REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-11 20:53:34,855 INFO L314 BlockEncoder]: Initial Icfg 11 locations, 12 edges [2024-09-11 20:53:34,856 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:53:34,856 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:53:34,856 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:53:34,856 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:53:34,856 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:53:34,872 INFO L101 BaseMinimizeStates]: Removed 26 edges and 9 locations by large block encoding [2024-09-11 20:53:34,873 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:53:34,873 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:53:34,874 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:53:34,874 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:53:34,876 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:53:34,879 INFO L514 InvariantChecker]: The annotation(s) from loop head L30-4 to error location mainErr6REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-11 20:53:34,884 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 5 edges [2024-09-11 20:53:34,884 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:53:34,885 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:53:34,885 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:53:34,885 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:53:34,885 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:53:34,886 INFO L101 BaseMinimizeStates]: Removed 8 edges and 3 locations by large block encoding [2024-09-11 20:53:34,886 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:53:34,886 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:53:34,887 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:53:34,887 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:53:34,887 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:53:34,891 INFO L514 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-11 20:53:34,898 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-11 20:53:34,898 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:53:34,899 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:53:34,899 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:53:34,899 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:53:34,899 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:53:34,900 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-11 20:53:34,900 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:53:34,900 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:53:34,900 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:53:34,900 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:53:34,900 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:53:34,901 INFO L514 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION is inductive. [2024-09-11 20:53:34,906 INFO L314 BlockEncoder]: Initial Icfg 3 locations, 2 edges [2024-09-11 20:53:34,906 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:53:34,906 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:53:34,906 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:53:34,906 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:53:34,906 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:53:34,908 INFO L101 BaseMinimizeStates]: Removed 2 edges and 1 locations by large block encoding [2024-09-11 20:53:34,908 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:53:34,910 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:53:34,910 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:53:34,910 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:53:34,910 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:53:34,911 INFO L514 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-11 20:53:34,918 INFO L314 BlockEncoder]: Initial Icfg 9 locations, 8 edges [2024-09-11 20:53:34,919 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:53:34,919 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:53:34,919 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:53:34,919 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:53:34,920 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:53:34,929 INFO L101 BaseMinimizeStates]: Removed 14 edges and 7 locations by large block encoding [2024-09-11 20:53:34,929 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:53:34,929 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:53:34,929 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:53:34,929 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:53:34,930 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:53:34,932 INFO L514 InvariantChecker]: The annotation(s) from loop head L30-4 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-11 20:53:34,938 INFO L314 BlockEncoder]: Initial Icfg 7 locations, 6 edges [2024-09-11 20:53:34,938 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:53:34,938 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:53:34,938 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:53:34,939 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:53:34,939 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:53:34,945 INFO L101 BaseMinimizeStates]: Removed 10 edges and 5 locations by large block encoding [2024-09-11 20:53:34,945 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:53:34,945 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:53:34,945 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:53:34,945 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:53:34,946 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:53:34,948 INFO L514 InvariantChecker]: The annotation(s) from loop head L30-4 to error location mainErr3REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-11 20:53:34,951 INFO L58 RefereeStarter]: Annotation is a valid proof of correctness [2024-09-11 20:53:34,951 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@48074c78 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee CFG 11.09 08:53:34, skipping insertion in model container [2024-09-11 20:53:34,951 INFO L131 PluginConnector]: ------------------------ END Referee---------------------------- [2024-09-11 20:53:34,953 INFO L158 Benchmark]: Toolchain (without parser) took 890.17ms. Allocated memory is still 201.3MB. Free memory was 133.5MB in the beginning and 129.0MB in the end (delta: 4.5MB). Peak memory consumption was 44.4MB. Max. memory is 16.1GB. [2024-09-11 20:53:34,953 INFO L158 Benchmark]: Witness Parser took 0.13ms. Allocated memory is still 113.2MB. Free memory is still 75.8MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-11 20:53:34,954 INFO L158 Benchmark]: CDTParser took 0.14ms. Allocated memory is still 201.3MB. Free memory is still 177.8MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-11 20:53:34,954 INFO L158 Benchmark]: CACSL2BoogieTranslator took 237.08ms. Allocated memory is still 201.3MB. Free memory was 133.2MB in the beginning and 119.9MB in the end (delta: 13.3MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-09-11 20:53:34,955 INFO L158 Benchmark]: Boogie Preprocessor took 35.71ms. Allocated memory is still 201.3MB. Free memory was 119.9MB in the beginning and 117.9MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-09-11 20:53:34,956 INFO L158 Benchmark]: RCFGBuilder took 292.99ms. Allocated memory is still 201.3MB. Free memory was 117.9MB in the beginning and 102.6MB in the end (delta: 15.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-09-11 20:53:34,956 INFO L158 Benchmark]: Referee took 317.70ms. Allocated memory is still 201.3MB. Free memory was 102.6MB in the beginning and 129.0MB in the end (delta: -26.5MB). Peak memory consumption was 13.0MB. Max. memory is 16.1GB. [2024-09-11 20:53:34,958 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 30. Annotation is valid for all loop-free paths from loop head at line 30 to check that procedure precondition always holds at line 32. Annotation is valid for all loop-free paths from loop head at line 30 to 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 44. 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 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 loop head at line 30. * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Witness Parser took 0.13ms. Allocated memory is still 113.2MB. Free memory is still 75.8MB. There was no memory consumed. Max. memory is 16.1GB. * CDTParser took 0.14ms. Allocated memory is still 201.3MB. Free memory is still 177.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 237.08ms. Allocated memory is still 201.3MB. Free memory was 133.2MB in the beginning and 119.9MB in the end (delta: 13.3MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Preprocessor took 35.71ms. Allocated memory is still 201.3MB. Free memory was 119.9MB in the beginning and 117.9MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 292.99ms. Allocated memory is still 201.3MB. Free memory was 117.9MB in the beginning and 102.6MB in the end (delta: 15.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Referee took 317.70ms. Allocated memory is still 201.3MB. Free memory was 102.6MB in the beginning and 129.0MB in the end (delta: -26.5MB). Peak memory consumption was 13.0MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-09-11 20:53:34,981 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_unwindbound2.c ../results/automizer-verification-files/SV-COMP24_unreach-call/sqrt1-ll_unwindbound2.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 20:53:36,756 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-11 20:53:36,817 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Bitvector.epf [2024-09-11 20:53:36,821 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-11 20:53:36,823 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-11 20:53:36,843 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-11 20:53:36,845 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-11 20:53:36,845 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-11 20:53:36,846 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-11 20:53:36,847 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-11 20:53:36,847 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-11 20:53:36,847 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-11 20:53:36,847 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-11 20:53:36,848 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-11 20:53:36,848 INFO L153 SettingsManager]: * Use SBE=true [2024-09-11 20:53:36,849 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-11 20:53:36,849 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-11 20:53:36,850 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-11 20:53:36,850 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-11 20:53:36,850 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-11 20:53:36,852 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-11 20:53:36,853 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-11 20:53:36,853 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-11 20:53:36,853 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-09-11 20:53:36,853 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-09-11 20:53:36,853 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-11 20:53:36,853 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-09-11 20:53:36,853 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-11 20:53:36,854 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-11 20:53:36,854 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-11 20:53:36,854 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-11 20:53:36,854 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-11 20:53:36,854 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-11 20:53:36,854 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-11 20:53:36,854 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-11 20:53:36,855 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-11 20:53:36,855 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-11 20:53:36,855 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-11 20:53:36,855 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-09-11 20:53:36,857 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-09-11 20:53:36,857 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-11 20:53:36,858 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-11 20:53:36,858 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-11 20:53:36,858 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-11 20:53:36,858 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2024-09-11 20:53:36,859 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None [2024-09-11 20:53:37,095 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-11 20:53:37,113 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-11 20:53:37,115 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-11 20:53:37,116 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-11 20:53:37,116 INFO L274 PluginConnector]: CDTParser initialized [2024-09-11 20:53:37,117 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/nla-digbench-scaling/sqrt1-ll_unwindbound2.c [2024-09-11 20:53:38,343 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-11 20:53:38,487 INFO L384 CDTParser]: Found 1 translation units. [2024-09-11 20:53:38,490 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench-scaling/sqrt1-ll_unwindbound2.c [2024-09-11 20:53:38,496 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/be1e86d29/978968d846c74391b2147736fb2b3e49/FLAG9432bce49 [2024-09-11 20:53:38,892 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/be1e86d29/978968d846c74391b2147736fb2b3e49 [2024-09-11 20:53:38,894 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-11 20:53:38,894 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-11 20:53:38,895 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/automizer-verification-files/SV-COMP24_unreach-call/sqrt1-ll_unwindbound2.yml/witness-2.1.yml [2024-09-11 20:53:38,933 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-11 20:53:38,934 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-09-11 20:53:38,935 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-11 20:53:38,935 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-11 20:53:38,938 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-11 20:53:38,939 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.09 08:53:38" (1/2) ... [2024-09-11 20:53:38,939 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@240aa277 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 20:53:38,940 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.09 08:53:38" (1/2) ... [2024-09-11 20:53:38,941 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@6ab882bf 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 20:53:38,941 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 08:53:38" (2/2) ... [2024-09-11 20:53:38,942 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@240aa277 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 20:53:38,942 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 08:53:38" (2/2) ... [2024-09-11 20:53:38,950 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-11 20:53:38,950 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 20:53:38,950 INFO L1541 ArrayList]: Function contract at [L11]: requires (\old(cond) != 0), ensures (\old(cond) != 0) [2024-09-11 20:53:38,967 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-11 20:53:39,084 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_unwindbound2.c[520,533] [2024-09-11 20:53:39,098 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-11 20:53:39,107 INFO L200 MainTranslator]: Completed pre-run Start Parsing Global Start Parsing Global [2024-09-11 20:53:39,139 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_unwindbound2.c[520,533] Start Parsing Local [2024-09-11 20:53:39,150 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-11 20:53:39,161 INFO L204 MainTranslator]: Completed translation [2024-09-11 20:53:39,162 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 11.09 08:53:39 WrapperNode [2024-09-11 20:53:39,162 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-11 20:53:39,163 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-11 20:53:39,163 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-11 20:53:39,163 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-11 20:53:39,171 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 08:53:39" (1/1) ... [2024-09-11 20:53:39,171 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 08:53:39" (1/1) ... [2024-09-11 20:53:39,177 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 08:53:39" (1/1) ... [2024-09-11 20:53:39,182 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 20:53:39,183 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 08:53:39" (1/1) ... [2024-09-11 20:53:39,183 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 08:53:39" (1/1) ... [2024-09-11 20:53:39,187 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 08:53:39" (1/1) ... [2024-09-11 20:53:39,190 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 08:53:39" (1/1) ... [2024-09-11 20:53:39,191 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 08:53:39" (1/1) ... [2024-09-11 20:53:39,193 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 08:53:39" (1/1) ... [2024-09-11 20:53:39,194 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-11 20:53:39,198 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-11 20:53:39,198 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-11 20:53:39,198 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-11 20:53:39,199 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 08:53:39" (1/1) ... [2024-09-11 20:53:39,203 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-11 20:53:39,209 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-09-11 20:53:39,220 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 20:53:39,222 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 20:53:39,257 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-09-11 20:53:39,257 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-11 20:53:39,259 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-09-11 20:53:39,259 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-09-11 20:53:39,259 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-09-11 20:53:39,259 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-09-11 20:53:39,259 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-09-11 20:53:39,259 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-09-11 20:53:39,259 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-09-11 20:53:39,259 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-11 20:53:39,259 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2024-09-11 20:53:39,259 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-09-11 20:53:39,259 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-09-11 20:53:39,259 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-09-11 20:53:39,260 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-09-11 20:53:39,260 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-09-11 20:53:39,260 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-11 20:53:39,260 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2024-09-11 20:53:39,260 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2024-09-11 20:53:39,260 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-09-11 20:53:39,326 INFO L242 CfgBuilder]: Building ICFG [2024-09-11 20:53:39,328 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-11 20:53:40,139 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-11 20:53:40,191 INFO L? ?]: Removed 23 outVars from TransFormulas that were not future-live. [2024-09-11 20:53:40,192 INFO L291 CfgBuilder]: Performing block encoding [2024-09-11 20:53:40,215 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-11 20:53:40,215 INFO L318 CfgBuilder]: Removed 1 assume(true) statements. [2024-09-11 20:53:40,215 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.09 08:53:40 BoogieIcfgContainer [2024-09-11 20:53:40,215 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-11 20:53:40,216 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-09-11 20:53:40,216 INFO L270 PluginConnector]: Initializing Referee... [2024-09-11 20:53:40,216 INFO L274 PluginConnector]: Referee initialized [2024-09-11 20:53:40,216 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 11.09 08:53:38" (1/4) ... [2024-09-11 20:53:40,217 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@2a0c2de6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 11.09 08:53:40, skipping insertion in model container [2024-09-11 20:53:40,217 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 08:53:38" (2/4) ... [2024-09-11 20:53:40,217 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@2a0c2de6 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 11.09 08:53:40, skipping insertion in model container [2024-09-11 20:53:40,217 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 08:53:39" (3/4) ... [2024-09-11 20:53:40,217 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@2a0c2de6 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 11.09 08:53:40, skipping insertion in model container [2024-09-11 20:53:40,217 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 08:53:40" (4/4) ... [2024-09-11 20:53:40,219 INFO L79 RefereeObserver]: Analyzing ICFG sqrt1-ll_unwindbound2.c [2024-09-11 20:53:40,221 INFO L112 InvariantChecker]: Found 1 loops. [2024-09-11 20:53:40,222 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 20:53:40,222 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 20:53:40,222 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 20:53:40,222 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 20:53:40,222 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 20:53:40,222 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 20:53:40,222 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 20:53:40,223 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 20:53:40,223 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 20:53:40,223 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 20:53:40,223 INFO L130 InvariantChecker]: Will check 1 loop-free subgraphs from loop head to loop head, 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 [2024-09-11 20:53:40,267 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 5 edges [2024-09-11 20:53:40,268 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:53:40,269 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:53:40,269 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:53:40,270 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:53:40,271 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:53:40,293 INFO L101 BaseMinimizeStates]: Removed 8 edges and 4 locations by large block encoding [2024-09-11 20:53:40,294 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:53:40,294 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:53:40,294 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:53:40,295 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:53:40,295 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:53:44,367 INFO L510 InvariantChecker]: unknown inductivity: todo good error message [2024-09-11 20:53:44,408 INFO L314 BlockEncoder]: Initial Icfg 10 locations, 11 edges [2024-09-11 20:53:44,408 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:53:44,408 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:53:44,408 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:53:44,408 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:53:44,408 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:53:44,460 INFO L101 BaseMinimizeStates]: Removed 22 edges and 8 locations by large block encoding [2024-09-11 20:53:44,461 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:53:44,462 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:53:44,462 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:53:44,462 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:53:44,466 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:53:48,387 INFO L514 InvariantChecker]: The annotation(s) from loop head L30-4 to error location mainErr5REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-11 20:53:48,415 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 4 edges [2024-09-11 20:53:48,416 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:53:48,416 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:53:48,416 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:53:48,416 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:53:48,416 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:53:48,422 INFO L101 BaseMinimizeStates]: Removed 6 edges and 3 locations by large block encoding [2024-09-11 20:53:48,422 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:53:48,423 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:53:48,423 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:53:48,423 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:53:48,423 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:53:52,481 INFO L510 InvariantChecker]: unknown inductivity: todo good error message [2024-09-11 20:53:52,513 INFO L314 BlockEncoder]: Initial Icfg 9 locations, 10 edges [2024-09-11 20:53:52,513 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:53:52,513 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:53:52,513 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:53:52,514 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:53:52,514 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:53:52,530 INFO L101 BaseMinimizeStates]: Removed 18 edges and 7 locations by large block encoding [2024-09-11 20:53:52,530 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:53:52,530 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:53:52,530 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:53:52,530 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:53:52,532 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:53:56,591 INFO L510 InvariantChecker]: unknown inductivity: todo good error message [2024-09-11 20:53:56,623 INFO L314 BlockEncoder]: Initial Icfg 11 locations, 12 edges [2024-09-11 20:53:56,624 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:53:56,624 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:53:56,624 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:53:56,624 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:53:56,624 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:53:56,652 INFO L101 BaseMinimizeStates]: Removed 26 edges and 9 locations by large block encoding [2024-09-11 20:53:56,653 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:53:56,653 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:53:56,653 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:53:56,653 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:53:56,656 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:54:00,730 INFO L510 InvariantChecker]: unknown inductivity: todo good error message [2024-09-11 20:54:00,767 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 5 edges [2024-09-11 20:54:00,767 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:54:00,767 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:54:00,767 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:54:00,767 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:54:00,768 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:54:00,769 INFO L101 BaseMinimizeStates]: Removed 8 edges and 3 locations by large block encoding [2024-09-11 20:54:00,769 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:54:00,769 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:54:00,769 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:54:00,770 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:54:00,770 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:54:00,775 INFO L514 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-11 20:54:00,781 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-11 20:54:00,781 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:54:00,781 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:54:00,781 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:54:00,781 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:54:00,781 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:54:00,782 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-11 20:54:00,782 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:54:00,782 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:54:00,782 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:54:00,783 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:54:00,783 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:54:00,784 INFO L514 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION is inductive. [2024-09-11 20:54:00,789 INFO L314 BlockEncoder]: Initial Icfg 3 locations, 2 edges [2024-09-11 20:54:00,790 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:54:00,790 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:54:00,790 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:54:00,790 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:54:00,790 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:54:00,792 INFO L101 BaseMinimizeStates]: Removed 2 edges and 1 locations by large block encoding [2024-09-11 20:54:00,792 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:54:00,792 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:54:00,792 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:54:00,792 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:54:00,792 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:54:00,794 INFO L514 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-11 20:54:00,800 INFO L314 BlockEncoder]: Initial Icfg 9 locations, 8 edges [2024-09-11 20:54:00,800 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:54:00,800 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:54:00,800 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:54:00,800 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:54:00,800 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:54:00,812 INFO L101 BaseMinimizeStates]: Removed 14 edges and 7 locations by large block encoding [2024-09-11 20:54:00,812 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:54:00,813 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:54:00,813 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:54:00,813 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:54:00,813 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:54:04,973 INFO L510 InvariantChecker]: unknown inductivity: todo good error message [2024-09-11 20:54:05,036 INFO L314 BlockEncoder]: Initial Icfg 7 locations, 6 edges [2024-09-11 20:54:05,036 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:54:05,036 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:54:05,036 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:54:05,036 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:54:05,036 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:54:05,043 INFO L101 BaseMinimizeStates]: Removed 10 edges and 5 locations by large block encoding [2024-09-11 20:54:05,044 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:54:05,045 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:54:05,045 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:54:05,045 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:54:05,045 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:54:09,120 INFO L510 InvariantChecker]: unknown inductivity: todo good error message [2024-09-11 20:54:09,151 INFO L58 RefereeStarter]: Insufficient resources for checking whether annotation is a valid proof of correctness [2024-09-11 20:54:09,153 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@2a0c2de6 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 20:54:09,153 INFO L131 PluginConnector]: ------------------------ END Referee---------------------------- [2024-09-11 20:54:09,154 INFO L158 Benchmark]: Toolchain (without parser) took 30219.38ms. Allocated memory was 67.1MB in the beginning and 90.2MB in the end (delta: 23.1MB). Free memory was 30.2MB in the beginning and 58.8MB in the end (delta: -28.6MB). Peak memory consumption was 27.1MB. Max. memory is 16.1GB. [2024-09-11 20:54:09,154 INFO L158 Benchmark]: CDTParser took 0.10ms. Allocated memory is still 41.9MB. Free memory was 18.9MB in the beginning and 18.8MB in the end (delta: 42.1kB). There was no memory consumed. Max. memory is 16.1GB. [2024-09-11 20:54:09,155 INFO L158 Benchmark]: Witness Parser took 0.20ms. Allocated memory is still 67.1MB. Free memory is still 32.1MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-11 20:54:09,155 INFO L158 Benchmark]: CACSL2BoogieTranslator took 227.09ms. Allocated memory is still 67.1MB. Free memory was 30.0MB in the beginning and 35.4MB in the end (delta: -5.4MB). Peak memory consumption was 5.3MB. Max. memory is 16.1GB. [2024-09-11 20:54:09,155 INFO L158 Benchmark]: Boogie Preprocessor took 31.92ms. Allocated memory is still 67.1MB. Free memory was 35.1MB in the beginning and 33.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-09-11 20:54:09,159 INFO L158 Benchmark]: RCFGBuilder took 1017.23ms. Allocated memory was 67.1MB in the beginning and 90.2MB in the end (delta: 23.1MB). Free memory was 33.0MB in the beginning and 56.5MB in the end (delta: -23.5MB). Peak memory consumption was 8.2MB. Max. memory is 16.1GB. [2024-09-11 20:54:09,159 INFO L158 Benchmark]: Referee took 28937.17ms. Allocated memory is still 90.2MB. Free memory was 56.5MB in the beginning and 58.8MB in the end (delta: -2.3MB). Peak memory consumption was 28.3MB. Max. memory is 16.1GB. [2024-09-11 20:54:09,161 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 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. 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 32. 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 loop head at line 30 to check that procedure precondition always holds at line 44. 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: * CDTParser took 0.10ms. Allocated memory is still 41.9MB. Free memory was 18.9MB in the beginning and 18.8MB in the end (delta: 42.1kB). There was no memory consumed. Max. memory is 16.1GB. * Witness Parser took 0.20ms. Allocated memory is still 67.1MB. Free memory is still 32.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 227.09ms. Allocated memory is still 67.1MB. Free memory was 30.0MB in the beginning and 35.4MB in the end (delta: -5.4MB). Peak memory consumption was 5.3MB. Max. memory is 16.1GB. * Boogie Preprocessor took 31.92ms. Allocated memory is still 67.1MB. Free memory was 35.1MB in the beginning and 33.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1017.23ms. Allocated memory was 67.1MB in the beginning and 90.2MB in the end (delta: 23.1MB). Free memory was 33.0MB in the beginning and 56.5MB in the end (delta: -23.5MB). Peak memory consumption was 8.2MB. Max. memory is 16.1GB. * Referee took 28937.17ms. Allocated memory is still 90.2MB. Free memory was 56.5MB in the beginning and 58.8MB in the end (delta: -2.3MB). Peak memory consumption was 28.3MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-09-11 20:54:09,214 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