./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/nla-digbench-scaling/sqrt1-ll_valuebound50.c --full-output --witness-type correctness_witness --validate ../results/automizer-verification-files/SV-COMP24_unreach-call/sqrt1-ll_valuebound50.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_valuebound50.c ../results/automizer-verification-files/SV-COMP24_unreach-call/sqrt1-ll_valuebound50.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 20:53:54,068 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-11 20:53:54,137 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Default.epf [2024-09-11 20:53:54,141 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-11 20:53:54,143 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-11 20:53:54,167 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-11 20:53:54,168 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-11 20:53:54,168 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-11 20:53:54,169 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-11 20:53:54,170 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-11 20:53:54,170 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-11 20:53:54,171 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-11 20:53:54,171 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-11 20:53:54,173 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-11 20:53:54,173 INFO L153 SettingsManager]: * Use SBE=true [2024-09-11 20:53:54,173 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-11 20:53:54,173 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-11 20:53:54,174 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-11 20:53:54,174 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-09-11 20:53:54,174 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-11 20:53:54,174 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-11 20:53:54,174 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-11 20:53:54,175 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-11 20:53:54,175 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-11 20:53:54,175 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-11 20:53:54,178 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-11 20:53:54,178 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-11 20:53:54,178 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-11 20:53:54,178 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-11 20:53:54,178 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-11 20:53:54,179 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-11 20:53:54,179 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-11 20:53:54,179 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-11 20:53:54,179 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-11 20:53:54,179 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-11 20:53:54,179 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-11 20:53:54,180 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-09-11 20:53:54,180 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-09-11 20:53:54,180 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-11 20:53:54,180 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-11 20:53:54,180 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-11 20:53:54,182 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-11 20:53:54,182 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None [2024-09-11 20:53:54,399 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-11 20:53:54,414 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-11 20:53:54,418 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-11 20:53:54,419 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-11 20:53:54,419 INFO L274 PluginConnector]: CDTParser initialized [2024-09-11 20:53:54,420 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/nla-digbench-scaling/sqrt1-ll_valuebound50.c [2024-09-11 20:53:55,672 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-11 20:53:55,877 INFO L384 CDTParser]: Found 1 translation units. [2024-09-11 20:53:55,877 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench-scaling/sqrt1-ll_valuebound50.c [2024-09-11 20:53:55,884 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/753fdb9a9/5ac3c5c9449b4d58b333a54d7b200911/FLAG516dfa77b [2024-09-11 20:53:56,252 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/753fdb9a9/5ac3c5c9449b4d58b333a54d7b200911 [2024-09-11 20:53:56,254 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-11 20:53:56,255 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-11 20:53:56,256 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/automizer-verification-files/SV-COMP24_unreach-call/sqrt1-ll_valuebound50.yml/witness-2.1.yml [2024-09-11 20:53:56,297 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-11 20:53:56,298 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-09-11 20:53:56,299 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-11 20:53:56,299 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-11 20:53:56,304 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-11 20:53:56,304 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.09 08:53:56" (1/2) ... [2024-09-11 20:53:56,305 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7f9b778 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:53:56, skipping insertion in model container [2024-09-11 20:53:56,305 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.09 08:53:56" (1/2) ... [2024-09-11 20:53:56,306 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@4de78a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:53:56, skipping insertion in model container [2024-09-11 20:53:56,306 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 08:53:56" (2/2) ... [2024-09-11 20:53:56,307 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7f9b778 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 11.09 08:53:56, skipping insertion in model container [2024-09-11 20:53:56,307 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 08:53:56" (2/2) ... [2024-09-11 20:53:56,312 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-11 20:53:56,313 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 20:53:56,313 INFO L1541 ArrayList]: Function contract at [L11]: requires (\old(cond) != 0), ensures (\old(cond) != 0) [2024-09-11 20:53:56,326 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-11 20:53:56,440 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_valuebound50.c[520,533] [2024-09-11 20:53:56,454 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-11 20:53:56,463 INFO L200 MainTranslator]: Completed pre-run Start Parsing Global Start Parsing Global [2024-09-11 20:53:56,497 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_valuebound50.c[520,533] Start Parsing Local [2024-09-11 20:53:56,509 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-11 20:53:56,521 INFO L204 MainTranslator]: Completed translation [2024-09-11 20:53:56,522 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 11.09 08:53:56 WrapperNode [2024-09-11 20:53:56,522 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-11 20:53:56,523 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-11 20:53:56,524 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-11 20:53:56,524 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-11 20:53:56,535 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 08:53:56" (1/1) ... [2024-09-11 20:53:56,535 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 08:53:56" (1/1) ... [2024-09-11 20:53:56,540 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 08:53:56" (1/1) ... [2024-09-11 20:53:56,548 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 20:53:56,548 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 08:53:56" (1/1) ... [2024-09-11 20:53:56,548 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 08:53:56" (1/1) ... [2024-09-11 20:53:56,552 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 08:53:56" (1/1) ... [2024-09-11 20:53:56,554 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 08:53:56" (1/1) ... [2024-09-11 20:53:56,555 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 08:53:56" (1/1) ... [2024-09-11 20:53:56,555 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 08:53:56" (1/1) ... [2024-09-11 20:53:56,556 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-11 20:53:56,557 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-11 20:53:56,557 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-11 20:53:56,558 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-11 20:53:56,559 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 08:53:56" (1/1) ... [2024-09-11 20:53:56,564 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-11 20:53:56,574 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-09-11 20:53:56,587 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 20:53:56,592 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 20:53:56,629 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-09-11 20:53:56,629 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-11 20:53:56,629 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-09-11 20:53:56,629 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-09-11 20:53:56,629 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-09-11 20:53:56,629 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-09-11 20:53:56,629 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-09-11 20:53:56,629 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-09-11 20:53:56,629 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-09-11 20:53:56,630 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-11 20:53:56,630 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2024-09-11 20:53:56,630 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-09-11 20:53:56,630 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-09-11 20:53:56,630 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-09-11 20:53:56,630 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-09-11 20:53:56,630 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-09-11 20:53:56,630 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-11 20:53:56,631 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-09-11 20:53:56,631 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-09-11 20:53:56,631 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-09-11 20:53:56,681 INFO L242 CfgBuilder]: Building ICFG [2024-09-11 20:53:56,683 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-11 20:53:56,790 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-11 20:53:56,823 INFO L? ?]: Removed 23 outVars from TransFormulas that were not future-live. [2024-09-11 20:53:56,824 INFO L291 CfgBuilder]: Performing block encoding [2024-09-11 20:53:56,840 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-11 20:53:56,841 INFO L318 CfgBuilder]: Removed 1 assume(true) statements. [2024-09-11 20:53:56,841 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.09 08:53:56 BoogieIcfgContainer [2024-09-11 20:53:56,841 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-11 20:53:56,842 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-09-11 20:53:56,842 INFO L270 PluginConnector]: Initializing Referee... [2024-09-11 20:53:56,842 INFO L274 PluginConnector]: Referee initialized [2024-09-11 20:53:56,842 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 11.09 08:53:56" (1/4) ... [2024-09-11 20:53:56,843 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@3ea27277 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 11.09 08:53:56, skipping insertion in model container [2024-09-11 20:53:56,843 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 08:53:56" (2/4) ... [2024-09-11 20:53:56,843 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@3ea27277 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 11.09 08:53:56, skipping insertion in model container [2024-09-11 20:53:56,844 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 08:53:56" (3/4) ... [2024-09-11 20:53:56,844 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@3ea27277 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 11.09 08:53:56, skipping insertion in model container [2024-09-11 20:53:56,844 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 08:53:56" (4/4) ... [2024-09-11 20:53:56,846 INFO L79 RefereeObserver]: Analyzing ICFG sqrt1-ll_valuebound50.c [2024-09-11 20:53:56,849 INFO L112 InvariantChecker]: Found 1 loops. [2024-09-11 20:53:56,851 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L30-3 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 7 edges. [2024-09-11 20:53:56,851 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 4 edges. [2024-09-11 20:53:56,851 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L30-3 to ERROR_LOC mainErr2REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 4 edges. [2024-09-11 20:53:56,852 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L30-3 to ERROR_LOC mainErr5REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 10 edges. [2024-09-11 20:53:56,852 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L30-3 to ERROR_LOC mainErr1REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 3 edges. [2024-09-11 20:53:56,852 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L30-3 to ERROR_LOC mainErr4REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 9 edges. [2024-09-11 20:53:56,852 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L30-3 to ERROR_LOC mainErr6REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 11 edges. [2024-09-11 20:53:56,852 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 20:53:56,852 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 20:53:56,853 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L30-3 to ERROR_LOC mainErr3REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 5 edges. [2024-09-11 20:53:56,853 INFO L130 InvariantChecker]: Will check 6 loop-free subgraphs from loop head to error location, 1 loop-free subgraphs from procedure entry to loop head, 1 loop-free subgraphs from loop head to loop head, 2 loop-free subgraphs from procedure entry to error location [2024-09-11 20:53:56,902 INFO L314 BlockEncoder]: Initial Icfg 8 locations, 7 edges [2024-09-11 20:53:56,902 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:53:56,903 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:53:56,905 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:53:56,906 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:53:56,908 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:53:56,944 INFO L101 BaseMinimizeStates]: Removed 12 edges and 6 locations by large block encoding [2024-09-11 20:53:56,945 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:53:56,946 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:53:56,946 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:53:56,946 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:53:56,948 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:53:56,960 INFO L514 InvariantChecker]: The annotation(s) from loop head L30-3 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-11 20:53:56,972 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 4 edges [2024-09-11 20:53:56,972 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:53:56,972 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:53:56,972 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:53:56,972 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:53:56,972 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:53:56,976 INFO L101 BaseMinimizeStates]: Removed 6 edges and 3 locations by large block encoding [2024-09-11 20:53:56,976 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:53:56,976 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:53:56,976 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:53:56,976 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:53:56,976 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:53:56,983 INFO L514 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-11 20:53:56,997 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 4 edges [2024-09-11 20:53:56,997 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:53:56,998 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:53:56,998 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:53:56,998 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:53:56,998 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:53:57,002 INFO L101 BaseMinimizeStates]: Removed 6 edges and 3 locations by large block encoding [2024-09-11 20:53:57,004 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:53:57,004 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:53:57,008 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:53:57,008 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:53:57,008 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:53:57,010 INFO L514 InvariantChecker]: The annotation(s) from loop head L30-3 to error location mainErr2REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-11 20:53:57,020 INFO L314 BlockEncoder]: Initial Icfg 9 locations, 10 edges [2024-09-11 20:53:57,020 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:53:57,020 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:53:57,020 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:53:57,020 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:53:57,021 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:53:57,048 INFO L101 BaseMinimizeStates]: Removed 20 edges and 7 locations by large block encoding [2024-09-11 20:53:57,049 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:53:57,049 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:53:57,049 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:53:57,049 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:53:57,052 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:53:57,054 INFO L514 InvariantChecker]: The annotation(s) from loop head L30-3 to error location mainErr5REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-11 20:53:57,071 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-11 20:53:57,071 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:53:57,071 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:53:57,071 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:53:57,071 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:53:57,071 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:53:57,076 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-11 20:53:57,077 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:53:57,077 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:53:57,077 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:53:57,077 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:53:57,077 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:53:57,080 INFO L514 InvariantChecker]: The annotation(s) from loop head L30-3 to error location mainErr1REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-11 20:53:57,091 INFO L314 BlockEncoder]: Initial Icfg 8 locations, 9 edges [2024-09-11 20:53:57,092 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:53:57,093 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:53:57,093 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:53:57,093 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:53:57,094 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:53:57,106 INFO L101 BaseMinimizeStates]: Removed 16 edges and 6 locations by large block encoding [2024-09-11 20:53:57,107 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:53:57,107 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:53:57,107 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:53:57,107 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:53:57,108 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:53:57,109 INFO L514 InvariantChecker]: The annotation(s) from loop head L30-3 to error location mainErr4REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-11 20:53:57,118 INFO L314 BlockEncoder]: Initial Icfg 10 locations, 11 edges [2024-09-11 20:53:57,119 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:53:57,119 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:53:57,120 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:53:57,120 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:53:57,120 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:53:57,132 INFO L101 BaseMinimizeStates]: Removed 24 edges and 8 locations by large block encoding [2024-09-11 20:53:57,132 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:53:57,132 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:53:57,132 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:53:57,133 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:53:57,133 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:53:57,139 INFO L514 InvariantChecker]: The annotation(s) from loop head L30-3 to error location mainErr6REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-11 20:53:57,146 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 5 edges [2024-09-11 20:53:57,147 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:53:57,147 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:53:57,147 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:53:57,147 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:53:57,147 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:53:57,148 INFO L101 BaseMinimizeStates]: Removed 8 edges and 3 locations by large block encoding [2024-09-11 20:53:57,149 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:53:57,151 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:53:57,151 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:53:57,151 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:53:57,152 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:53:57,153 INFO L514 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-11 20:53:57,158 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-11 20:53:57,159 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:53:57,159 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:53:57,159 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:53:57,159 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:53:57,159 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:53:57,160 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-11 20:53:57,160 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:53:57,160 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:53:57,160 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:53:57,160 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:53:57,160 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:53:57,161 INFO L514 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION is inductive. [2024-09-11 20:53:57,167 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 5 edges [2024-09-11 20:53:57,167 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:53:57,167 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:53:57,167 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:53:57,167 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:53:57,167 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:53:57,171 INFO L101 BaseMinimizeStates]: Removed 8 edges and 4 locations by large block encoding [2024-09-11 20:53:57,171 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:53:57,171 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:53:57,172 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:53:57,172 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:53:57,172 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:53:57,174 INFO L514 InvariantChecker]: The annotation(s) from loop head L30-3 to error location mainErr3REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-11 20:53:57,177 INFO L58 RefereeStarter]: Annotation is a valid proof of correctness [2024-09-11 20:53:57,177 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@3ea27277 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CFG 11.09 08:53:57, skipping insertion in model container [2024-09-11 20:53:57,178 INFO L131 PluginConnector]: ------------------------ END Referee---------------------------- [2024-09-11 20:53:57,179 INFO L158 Benchmark]: Toolchain (without parser) took 880.40ms. Allocated memory is still 163.6MB. Free memory was 128.5MB in the beginning and 109.2MB in the end (delta: 19.4MB). Peak memory consumption was 53.2MB. Max. memory is 16.1GB. [2024-09-11 20:53:57,179 INFO L158 Benchmark]: CDTParser took 0.09ms. Allocated memory is still 121.6MB. Free memory is still 84.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-11 20:53:57,180 INFO L158 Benchmark]: Witness Parser took 0.12ms. Allocated memory is still 163.6MB. Free memory is still 130.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-11 20:53:57,180 INFO L158 Benchmark]: CACSL2BoogieTranslator took 224.05ms. Allocated memory is still 163.6MB. Free memory was 128.5MB in the beginning and 115.3MB in the end (delta: 13.3MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-09-11 20:53:57,181 INFO L158 Benchmark]: Boogie Preprocessor took 33.15ms. Allocated memory is still 163.6MB. Free memory was 115.3MB in the beginning and 113.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-09-11 20:53:57,181 INFO L158 Benchmark]: RCFGBuilder took 283.91ms. Allocated memory is still 163.6MB. Free memory was 113.2MB in the beginning and 97.8MB in the end (delta: 15.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-09-11 20:53:57,182 INFO L158 Benchmark]: Referee took 336.10ms. Allocated memory is still 163.6MB. Free memory was 97.8MB in the beginning and 109.2MB in the end (delta: -11.4MB). Peak memory consumption was 21.7MB. Max. memory is 16.1GB. [2024-09-11 20:53:57,184 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 45. Annotation is valid for all loop-free paths from entry of procedure __VERIFIER_assert to exit of procedure __VERIFIER_assert. Annotation is valid for all loop-free paths from 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 32. Annotation is valid for all loop-free paths from loop head at line 30 to loop head at line 30. Annotation is valid for all loop-free paths from entry of procedure __VERIFIER_assert to 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. Annotation is valid for all loop-free paths from loop head at line 30 to check that procedure precondition always holds at line 31. Annotation is valid for all loop-free paths from loop head at line 30 to check that procedure precondition always holds at line 44. * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.09ms. Allocated memory is still 121.6MB. Free memory is still 84.2MB. There was no memory consumed. Max. memory is 16.1GB. * Witness Parser took 0.12ms. Allocated memory is still 163.6MB. Free memory is still 130.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 224.05ms. Allocated memory is still 163.6MB. Free memory was 128.5MB in the beginning and 115.3MB in the end (delta: 13.3MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Preprocessor took 33.15ms. Allocated memory is still 163.6MB. Free memory was 115.3MB in the beginning and 113.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 283.91ms. Allocated memory is still 163.6MB. Free memory was 113.2MB in the beginning and 97.8MB in the end (delta: 15.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Referee took 336.10ms. Allocated memory is still 163.6MB. Free memory was 97.8MB in the beginning and 109.2MB in the end (delta: -11.4MB). Peak memory consumption was 21.7MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-09-11 20:53:57,211 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_valuebound50.c ../results/automizer-verification-files/SV-COMP24_unreach-call/sqrt1-ll_valuebound50.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 20:53:59,080 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-11 20:53:59,156 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Bitvector.epf [2024-09-11 20:53:59,161 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-11 20:53:59,162 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-11 20:53:59,190 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-11 20:53:59,191 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-11 20:53:59,191 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-11 20:53:59,192 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-11 20:53:59,192 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-11 20:53:59,193 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-11 20:53:59,193 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-11 20:53:59,193 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-11 20:53:59,197 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-11 20:53:59,197 INFO L153 SettingsManager]: * Use SBE=true [2024-09-11 20:53:59,198 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-11 20:53:59,198 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-11 20:53:59,198 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-11 20:53:59,198 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-11 20:53:59,198 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-11 20:53:59,199 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-11 20:53:59,199 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-11 20:53:59,199 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-11 20:53:59,200 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-09-11 20:53:59,200 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-09-11 20:53:59,200 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-11 20:53:59,200 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-09-11 20:53:59,200 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-11 20:53:59,201 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-11 20:53:59,201 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-11 20:53:59,201 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-11 20:53:59,201 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-11 20:53:59,202 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-11 20:53:59,202 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-11 20:53:59,205 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-11 20:53:59,206 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-11 20:53:59,206 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-11 20:53:59,207 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-11 20:53:59,207 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-09-11 20:53:59,207 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-09-11 20:53:59,208 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-11 20:53:59,208 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-11 20:53:59,208 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-11 20:53:59,208 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-11 20:53:59,208 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2024-09-11 20:53:59,209 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None [2024-09-11 20:53:59,513 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-11 20:53:59,535 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-11 20:53:59,537 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-11 20:53:59,538 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-11 20:53:59,539 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-11 20:53:59,540 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/automizer-verification-files/SV-COMP24_unreach-call/sqrt1-ll_valuebound50.yml/witness-2.1.yml [2024-09-11 20:53:59,595 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-11 20:53:59,595 INFO L274 PluginConnector]: CDTParser initialized [2024-09-11 20:53:59,596 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/nla-digbench-scaling/sqrt1-ll_valuebound50.c [2024-09-11 20:54:01,045 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-11 20:54:01,206 INFO L384 CDTParser]: Found 1 translation units. [2024-09-11 20:54:01,206 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench-scaling/sqrt1-ll_valuebound50.c [2024-09-11 20:54:01,212 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/d2cdfc3de/f23e92742bc64c9baa16c9be497f3b36/FLAG78a1362dc [2024-09-11 20:54:01,618 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/d2cdfc3de/f23e92742bc64c9baa16c9be497f3b36 [2024-09-11 20:54:01,618 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-11 20:54:01,620 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-09-11 20:54:01,620 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-11 20:54:01,621 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-11 20:54:01,624 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-11 20:54:01,625 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 08:53:59" (1/2) ... [2024-09-11 20:54:01,626 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@54ae0db and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 11.09 08:54:01, skipping insertion in model container [2024-09-11 20:54:01,626 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 08:53:59" (1/2) ... [2024-09-11 20:54:01,630 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@578f703b and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 11.09 08:54:01, skipping insertion in model container [2024-09-11 20:54:01,630 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.09 08:54:01" (2/2) ... [2024-09-11 20:54:01,631 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@54ae0db and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:54:01, skipping insertion in model container [2024-09-11 20:54:01,631 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.09 08:54:01" (2/2) ... [2024-09-11 20:54:01,637 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-11 20:54:01,637 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 20:54:01,638 INFO L1541 ArrayList]: Function contract at [L11]: requires (\old(cond) != 0), ensures (\old(cond) != 0) [2024-09-11 20:54:01,652 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-11 20:54:01,769 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_valuebound50.c[520,533] [2024-09-11 20:54:01,785 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-11 20:54:01,794 INFO L200 MainTranslator]: Completed pre-run Start Parsing Global Start Parsing Global [2024-09-11 20:54:01,829 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_valuebound50.c[520,533] Start Parsing Local [2024-09-11 20:54:01,846 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-11 20:54:01,862 INFO L204 MainTranslator]: Completed translation [2024-09-11 20:54:01,863 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:54:01 WrapperNode [2024-09-11 20:54:01,864 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-11 20:54:01,864 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-11 20:54:01,865 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-11 20:54:01,865 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-11 20:54:01,875 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:54:01" (1/1) ... [2024-09-11 20:54:01,875 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:54:01" (1/1) ... [2024-09-11 20:54:01,882 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:54:01" (1/1) ... [2024-09-11 20:54:01,894 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 20:54:01,894 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:54:01" (1/1) ... [2024-09-11 20:54:01,894 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:54:01" (1/1) ... [2024-09-11 20:54:01,903 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:54:01" (1/1) ... [2024-09-11 20:54:01,907 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:54:01" (1/1) ... [2024-09-11 20:54:01,910 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:54:01" (1/1) ... [2024-09-11 20:54:01,911 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:54:01" (1/1) ... [2024-09-11 20:54:01,914 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-11 20:54:01,916 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-11 20:54:01,916 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-11 20:54:01,917 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-11 20:54:01,917 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:54:01" (1/1) ... [2024-09-11 20:54:01,922 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-11 20:54:01,929 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-09-11 20:54:01,956 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 20:54:01,968 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 20:54:02,002 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-09-11 20:54:02,003 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-11 20:54:02,004 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-09-11 20:54:02,004 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-09-11 20:54:02,004 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-09-11 20:54:02,004 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-09-11 20:54:02,005 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-09-11 20:54:02,005 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-09-11 20:54:02,005 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-09-11 20:54:02,005 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-11 20:54:02,005 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2024-09-11 20:54:02,005 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-09-11 20:54:02,005 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-09-11 20:54:02,005 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-09-11 20:54:02,005 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-09-11 20:54:02,005 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-09-11 20:54:02,005 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-11 20:54:02,005 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2024-09-11 20:54:02,006 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2024-09-11 20:54:02,006 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-09-11 20:54:02,072 INFO L242 CfgBuilder]: Building ICFG [2024-09-11 20:54:02,075 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-11 20:54:03,216 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-11 20:54:03,269 INFO L? ?]: Removed 23 outVars from TransFormulas that were not future-live. [2024-09-11 20:54:03,269 INFO L291 CfgBuilder]: Performing block encoding [2024-09-11 20:54:03,292 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-11 20:54:03,292 INFO L318 CfgBuilder]: Removed 1 assume(true) statements. [2024-09-11 20:54:03,293 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.09 08:54:03 BoogieIcfgContainer [2024-09-11 20:54:03,293 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-11 20:54:03,293 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-09-11 20:54:03,297 INFO L270 PluginConnector]: Initializing Referee... [2024-09-11 20:54:03,298 INFO L274 PluginConnector]: Referee initialized [2024-09-11 20:54:03,298 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 08:53:59" (1/4) ... [2024-09-11 20:54:03,299 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@662b7f25 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 11.09 08:54:03, skipping insertion in model container [2024-09-11 20:54:03,299 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 11.09 08:54:01" (2/4) ... [2024-09-11 20:54:03,299 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@662b7f25 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 11.09 08:54:03, skipping insertion in model container [2024-09-11 20:54:03,299 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:54:01" (3/4) ... [2024-09-11 20:54:03,299 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@662b7f25 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 11.09 08:54:03, skipping insertion in model container [2024-09-11 20:54:03,299 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.09 08:54:03" (4/4) ... [2024-09-11 20:54:03,300 INFO L79 RefereeObserver]: Analyzing ICFG sqrt1-ll_valuebound50.c [2024-09-11 20:54:03,303 INFO L112 InvariantChecker]: Found 1 loops. [2024-09-11 20:54:03,307 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L30-3 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 7 edges. [2024-09-11 20:54:03,309 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 4 edges. [2024-09-11 20:54:03,309 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L30-3 to ERROR_LOC mainErr2REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 4 edges. [2024-09-11 20:54:03,309 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L30-3 to ERROR_LOC mainErr5REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 10 edges. [2024-09-11 20:54:03,309 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L30-3 to ERROR_LOC mainErr1REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 3 edges. [2024-09-11 20:54:03,309 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L30-3 to ERROR_LOC mainErr4REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 9 edges. [2024-09-11 20:54:03,309 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L30-3 to ERROR_LOC mainErr6REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 11 edges. [2024-09-11 20:54:03,309 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 20:54:03,309 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 20:54:03,310 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L30-3 to ERROR_LOC mainErr3REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 5 edges. [2024-09-11 20:54:03,310 INFO L130 InvariantChecker]: Will check 6 loop-free subgraphs from loop head to error location, 1 loop-free subgraphs from loop head to loop head, 1 loop-free subgraphs from procedure entry to loop head, 2 loop-free subgraphs from procedure entry to error location [2024-09-11 20:54:03,359 INFO L314 BlockEncoder]: Initial Icfg 8 locations, 7 edges [2024-09-11 20:54:03,360 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:54:03,361 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:54:03,361 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:54:03,362 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:54:03,363 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:54:03,411 INFO L101 BaseMinimizeStates]: Removed 12 edges and 6 locations by large block encoding [2024-09-11 20:54:03,412 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:54:03,412 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:54:03,413 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:54:03,413 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:54:03,413 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:54:07,617 INFO L510 InvariantChecker]: unknown inductivity: todo good error message [2024-09-11 20:54:07,688 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 4 edges [2024-09-11 20:54:07,689 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:54:07,689 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:54:07,689 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:54:07,689 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:54:07,689 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:54:07,695 INFO L101 BaseMinimizeStates]: Removed 6 edges and 3 locations by large block encoding [2024-09-11 20:54:07,695 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:54:07,695 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:54:07,695 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:54:07,695 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:54:07,696 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:54:07,701 INFO L514 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-11 20:54:07,718 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 4 edges [2024-09-11 20:54:07,718 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:54:07,718 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:54:07,718 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:54:07,719 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:54:07,719 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:54:07,724 INFO L101 BaseMinimizeStates]: Removed 6 edges and 3 locations by large block encoding [2024-09-11 20:54:07,724 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:54:07,724 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:54:07,724 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:54:07,724 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:54:07,724 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:54:11,789 INFO L510 InvariantChecker]: unknown inductivity: todo good error message [2024-09-11 20:54:11,823 INFO L314 BlockEncoder]: Initial Icfg 9 locations, 10 edges [2024-09-11 20:54:11,823 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:54:11,823 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:54:11,823 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:54:11,823 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:54:11,824 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:54:11,836 INFO L101 BaseMinimizeStates]: Removed 20 edges and 7 locations by large block encoding [2024-09-11 20:54:11,836 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:54:11,836 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:54:11,836 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:54:11,836 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:54:11,839 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:54:11,840 INFO L514 InvariantChecker]: The annotation(s) from loop head L30-3 to error location mainErr5REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-11 20:54:11,849 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-11 20:54:11,849 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:54:11,849 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:54:11,849 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:54:11,849 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:54:11,849 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:54:11,852 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-11 20:54:11,852 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:54:11,852 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:54:11,853 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:54:11,853 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:54:11,853 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:54:15,910 INFO L510 InvariantChecker]: unknown inductivity: todo good error message [2024-09-11 20:54:15,953 INFO L314 BlockEncoder]: Initial Icfg 8 locations, 9 edges [2024-09-11 20:54:15,953 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:54:15,954 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:54:15,954 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:54:15,954 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:54:15,954 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:54:15,967 INFO L101 BaseMinimizeStates]: Removed 16 edges and 6 locations by large block encoding [2024-09-11 20:54:15,967 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:54:15,967 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:54:15,968 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:54:15,968 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:54:15,968 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:54:15,972 INFO L514 InvariantChecker]: The annotation(s) from loop head L30-3 to error location mainErr4REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-11 20:54:15,995 INFO L314 BlockEncoder]: Initial Icfg 10 locations, 11 edges [2024-09-11 20:54:15,996 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:54:15,996 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:54:15,996 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:54:15,996 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:54:15,996 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:54:16,012 INFO L101 BaseMinimizeStates]: Removed 24 edges and 8 locations by large block encoding [2024-09-11 20:54:16,013 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:54:16,013 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:54:16,013 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:54:16,014 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:54:16,015 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:54:16,016 INFO L514 InvariantChecker]: The annotation(s) from loop head L30-3 to error location mainErr6REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-11 20:54:16,026 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 5 edges [2024-09-11 20:54:16,026 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:54:16,026 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:54:16,027 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:54:16,027 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:54:16,027 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:54:16,030 INFO L101 BaseMinimizeStates]: Removed 8 edges and 3 locations by large block encoding [2024-09-11 20:54:16,031 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:54:16,031 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:54:16,031 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:54:16,031 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:54:16,032 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:54:16,034 INFO L514 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-11 20:54:16,041 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-11 20:54:16,041 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:54:16,041 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:54:16,041 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:54:16,041 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:54:16,041 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:54:16,042 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-11 20:54:16,042 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:54:16,042 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:54:16,042 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:54:16,042 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:54:16,042 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:54:16,045 INFO L514 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION is inductive. [2024-09-11 20:54:16,054 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 5 edges [2024-09-11 20:54:16,054 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:54:16,055 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:54:16,055 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:54:16,055 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:54:16,055 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:54:16,062 INFO L101 BaseMinimizeStates]: Removed 8 edges and 4 locations by large block encoding [2024-09-11 20:54:16,062 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:54:16,063 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:54:16,063 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:54:16,063 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:54:16,064 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:54:20,155 INFO L510 InvariantChecker]: unknown inductivity: todo good error message [2024-09-11 20:54:20,190 INFO L58 RefereeStarter]: Insufficient resources for checking whether annotation is a valid proof of correctness [2024-09-11 20:54:20,191 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@662b7f25 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee CFG 11.09 08:54:20, skipping insertion in model container [2024-09-11 20:54:20,191 INFO L131 PluginConnector]: ------------------------ END Referee---------------------------- [2024-09-11 20:54:20,192 INFO L158 Benchmark]: Toolchain (without parser) took 18572.13ms. Allocated memory is still 94.4MB. Free memory was 65.8MB in the beginning and 44.0MB in the end (delta: 21.8MB). Peak memory consumption was 36.5MB. Max. memory is 16.1GB. [2024-09-11 20:54:20,192 INFO L158 Benchmark]: Witness Parser took 0.12ms. Allocated memory is still 60.8MB. Free memory was 31.0MB in the beginning and 30.9MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. [2024-09-11 20:54:20,193 INFO L158 Benchmark]: CDTParser took 0.08ms. Allocated memory is still 60.8MB. Free memory is still 43.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-11 20:54:20,193 INFO L158 Benchmark]: CACSL2BoogieTranslator took 243.50ms. Allocated memory is still 94.4MB. Free memory was 65.6MB in the beginning and 51.5MB in the end (delta: 14.1MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-09-11 20:54:20,194 INFO L158 Benchmark]: Boogie Preprocessor took 50.81ms. Allocated memory is still 94.4MB. Free memory was 51.5MB in the beginning and 49.2MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-09-11 20:54:20,194 INFO L158 Benchmark]: RCFGBuilder took 1376.79ms. Allocated memory is still 94.4MB. Free memory was 49.2MB in the beginning and 56.6MB in the end (delta: -7.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-09-11 20:54:20,194 INFO L158 Benchmark]: Referee took 16897.44ms. Allocated memory is still 94.4MB. Free memory was 56.6MB in the beginning and 44.0MB in the end (delta: 12.5MB). Peak memory consumption was 26.8MB. Max. memory is 16.1GB. [2024-09-11 20:54:20,196 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.referee: - AnnotationCheckResult: Insufficient resources for checking whether annotation is a valid proof of correctness Insufficient resources for checking whether annotation is a valid proof of correctness Insufficient resources for checking whether annotation is valid for all loop-free paths from loop head at line 30 to check that procedure precondition always holds at line 31. Insufficient resources for checking whether annotation is valid for all loop-free paths from loop head at line 30 to check that procedure precondition always holds at line 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 32. Insufficient resources for checking whether annotation is valid for all loop-free paths from loop head at line 30 to loop head at line 30. Annotation is valid for all loop-free paths from entry of procedure __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 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 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. Annotation is valid for all loop-free paths from loop head at line 30 to check that procedure precondition always holds at line 45. * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Witness Parser took 0.12ms. Allocated memory is still 60.8MB. Free memory was 31.0MB in the beginning and 30.9MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. * CDTParser took 0.08ms. Allocated memory is still 60.8MB. Free memory is still 43.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 243.50ms. Allocated memory is still 94.4MB. Free memory was 65.6MB in the beginning and 51.5MB in the end (delta: 14.1MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Preprocessor took 50.81ms. Allocated memory is still 94.4MB. Free memory was 51.5MB in the beginning and 49.2MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1376.79ms. Allocated memory is still 94.4MB. Free memory was 49.2MB in the beginning and 56.6MB in the end (delta: -7.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Referee took 16897.44ms. Allocated memory is still 94.4MB. Free memory was 56.6MB in the beginning and 44.0MB in the end (delta: 12.5MB). Peak memory consumption was 26.8MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-09-11 20:54:20,251 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