./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/nla-digbench-scaling/cohencu-ll_valuebound50.c --full-output --witness-type correctness_witness --validate ../results/automizer-verification-files/SV-COMP24_unreach-call/cohencu-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/cohencu-ll_valuebound50.c ../results/automizer-verification-files/SV-COMP24_unreach-call/cohencu-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 20:48:27,567 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-11 20:48:27,620 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Default.epf [2024-09-11 20:48:27,624 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-11 20:48:27,625 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-11 20:48:27,647 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-11 20:48:27,649 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-11 20:48:27,649 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-11 20:48:27,650 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-11 20:48:27,653 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-11 20:48:27,653 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-11 20:48:27,654 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-11 20:48:27,654 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-11 20:48:27,654 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-11 20:48:27,654 INFO L153 SettingsManager]: * Use SBE=true [2024-09-11 20:48:27,655 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-11 20:48:27,655 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-11 20:48:27,655 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-11 20:48:27,655 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-09-11 20:48:27,655 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-11 20:48:27,655 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-11 20:48:27,658 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-11 20:48:27,658 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-11 20:48:27,658 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-11 20:48:27,659 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-11 20:48:27,659 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-11 20:48:27,659 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-11 20:48:27,659 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-11 20:48:27,659 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-11 20:48:27,659 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-11 20:48:27,660 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-11 20:48:27,660 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-11 20:48:27,660 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-11 20:48:27,661 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-11 20:48:27,661 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-11 20:48:27,662 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-11 20:48:27,662 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-09-11 20:48:27,662 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-09-11 20:48:27,663 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-11 20:48:27,663 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-11 20:48:27,663 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-11 20:48:27,663 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-11 20:48:27,664 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None [2024-09-11 20:48:27,844 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-11 20:48:27,863 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-11 20:48:27,866 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-11 20:48:27,867 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-11 20:48:27,867 INFO L274 PluginConnector]: CDTParser initialized [2024-09-11 20:48:27,868 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/nla-digbench-scaling/cohencu-ll_valuebound50.c [2024-09-11 20:48:29,047 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-11 20:48:29,195 INFO L384 CDTParser]: Found 1 translation units. [2024-09-11 20:48:29,196 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench-scaling/cohencu-ll_valuebound50.c [2024-09-11 20:48:29,202 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/b36122bf9/e564a80e05324863a6476156a4877826/FLAG72018eb9e [2024-09-11 20:48:29,219 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/b36122bf9/e564a80e05324863a6476156a4877826 [2024-09-11 20:48:29,221 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-11 20:48:29,222 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-11 20:48:29,223 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/automizer-verification-files/SV-COMP24_unreach-call/cohencu-ll_valuebound50.yml/witness-2.1.yml [2024-09-11 20:48:29,270 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-11 20:48:29,272 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-09-11 20:48:29,273 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-11 20:48:29,273 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-11 20:48:29,277 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-11 20:48:29,277 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.09 08:48:29" (1/2) ... [2024-09-11 20:48:29,279 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@15f617c9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:48:29, skipping insertion in model container [2024-09-11 20:48:29,279 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.09 08:48:29" (1/2) ... [2024-09-11 20:48:29,280 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@767758cd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:48:29, skipping insertion in model container [2024-09-11 20:48:29,280 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 08:48:29" (2/2) ... [2024-09-11 20:48:29,281 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@15f617c9 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 11.09 08:48:29, skipping insertion in model container [2024-09-11 20:48:29,281 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 08:48:29" (2/2) ... [2024-09-11 20:48:29,287 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-11 20:48:29,290 INFO L1541 ArrayList]: Loop invariant at [L33-L46] (((((((((__int128) y * z) + ((__int128) 2 * z)) == ((6 + ((__int128) y * 12)) + ((__int128) x * 18))) && ((((__int128) x * z) == (((__int128) x * 12) + (6 * ((__int128) a * x)))) || (n < (a + 1)))) && (((((__int128) y * z) + 6) + ((__int128) z * z)) == ((((__int128) z * 4) + ((__int128) x * 18)) + ((__int128) y * 24)))) && (a <= 50)) && (z == (6 + ((__int128) 6 * n)))) && (0 <= a)) [2024-09-11 20:48:29,290 INFO L1541 ArrayList]: Function contract at [L14]: requires (\old(cond) != 0), ensures (\old(cond) != 0) [2024-09-11 20:48:29,306 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-11 20:48:29,430 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/cohencu-ll_valuebound50.c[588,601] [2024-09-11 20:48:29,455 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-11 20:48:29,465 INFO L200 MainTranslator]: Completed pre-run Start Parsing Global Start Parsing Global [2024-09-11 20:48:29,495 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/cohencu-ll_valuebound50.c[588,601] Start Parsing Local [2024-09-11 20:48:29,512 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-11 20:48:29,533 INFO L204 MainTranslator]: Completed translation [2024-09-11 20:48:29,534 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 11.09 08:48:29 WrapperNode [2024-09-11 20:48:29,534 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-11 20:48:29,535 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-11 20:48:29,535 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-11 20:48:29,535 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-11 20:48:29,544 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 08:48:29" (1/1) ... [2024-09-11 20:48:29,544 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 08:48:29" (1/1) ... [2024-09-11 20:48:29,549 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 08:48:29" (1/1) ... [2024-09-11 20:48:29,556 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 20:48:29,556 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 08:48:29" (1/1) ... [2024-09-11 20:48:29,556 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 08:48:29" (1/1) ... [2024-09-11 20:48:29,560 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 08:48:29" (1/1) ... [2024-09-11 20:48:29,564 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 08:48:29" (1/1) ... [2024-09-11 20:48:29,566 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 08:48:29" (1/1) ... [2024-09-11 20:48:29,566 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 08:48:29" (1/1) ... [2024-09-11 20:48:29,568 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-11 20:48:29,568 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-11 20:48:29,568 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-11 20:48:29,568 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-11 20:48:29,569 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 08:48:29" (1/1) ... [2024-09-11 20:48:29,580 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-11 20:48:29,587 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-09-11 20:48:29,601 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 20:48:29,603 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 20:48:29,634 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-09-11 20:48:29,634 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-11 20:48:29,635 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-09-11 20:48:29,635 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-09-11 20:48:29,635 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-09-11 20:48:29,636 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-09-11 20:48:29,636 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-09-11 20:48:29,636 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-09-11 20:48:29,636 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-09-11 20:48:29,636 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-11 20:48:29,637 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ushort [2024-09-11 20:48:29,637 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-09-11 20:48:29,637 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-09-11 20:48:29,637 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-09-11 20:48:29,637 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-09-11 20:48:29,637 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-09-11 20:48:29,637 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-11 20:48:29,637 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-09-11 20:48:29,637 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-09-11 20:48:29,637 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-09-11 20:48:29,685 INFO L242 CfgBuilder]: Building ICFG [2024-09-11 20:48:29,688 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-11 20:48:29,822 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-11 20:48:29,876 INFO L? ?]: Removed 41 outVars from TransFormulas that were not future-live. [2024-09-11 20:48:29,876 INFO L291 CfgBuilder]: Performing block encoding [2024-09-11 20:48:29,900 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-11 20:48:29,900 INFO L318 CfgBuilder]: Removed 1 assume(true) statements. [2024-09-11 20:48:29,900 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.09 08:48:29 BoogieIcfgContainer [2024-09-11 20:48:29,900 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-11 20:48:29,901 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-09-11 20:48:29,901 INFO L270 PluginConnector]: Initializing Referee... [2024-09-11 20:48:29,904 INFO L274 PluginConnector]: Referee initialized [2024-09-11 20:48:29,904 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 11.09 08:48:29" (1/4) ... [2024-09-11 20:48:29,905 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@5432c9b6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 11.09 08:48:29, skipping insertion in model container [2024-09-11 20:48:29,905 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 08:48:29" (2/4) ... [2024-09-11 20:48:29,905 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@5432c9b6 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 11.09 08:48:29, skipping insertion in model container [2024-09-11 20:48:29,905 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 08:48:29" (3/4) ... [2024-09-11 20:48:29,905 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@5432c9b6 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 11.09 08:48:29, skipping insertion in model container [2024-09-11 20:48:29,905 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 08:48:29" (4/4) ... [2024-09-11 20:48:29,906 INFO L79 RefereeObserver]: Analyzing ICFG cohencu-ll_valuebound50.c [2024-09-11 20:48:29,910 INFO L112 InvariantChecker]: Found 1 loops. [2024-09-11 20:48:29,911 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L33-3 to ERROR_LOC mainErr5REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 7 edges. [2024-09-11 20:48:29,911 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L33-3 to ERROR_LOC mainErr1REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 3 edges. [2024-09-11 20:48:29,911 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L33-3 to ERROR_LOC mainErr9REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 14 edges. [2024-09-11 20:48:29,911 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L33-3 to ERROR_LOC mainErr4REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 6 edges. [2024-09-11 20:48:29,911 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L33-3 to ERROR_LOC mainErr8REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 13 edges. [2024-09-11 20:48:29,912 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L33-3 to ERROR_LOC mainErr2REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 4 edges. [2024-09-11 20:48:29,912 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L33-3 to ERROR_LOC mainErr7REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 12 edges. [2024-09-11 20:48:29,912 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L33-3 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 9 edges. [2024-09-11 20:48:29,912 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 20:48:29,912 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L33-3 to ERROR_LOC mainErr10REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 15 edges. [2024-09-11 20:48:29,913 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L33-3 to ERROR_LOC mainErr6REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 11 edges. [2024-09-11 20:48:29,913 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 20:48:29,913 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L33-3 to ERROR_LOC mainErr11REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 16 edges. [2024-09-11 20:48:29,913 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 20:48:29,913 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L33-3 to ERROR_LOC mainErr3REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 5 edges. [2024-09-11 20:48:29,913 INFO L130 InvariantChecker]: Will check 11 loop-free subgraphs from loop head to error location, 2 loop-free subgraphs from procedure entry to error location, 1 loop-free subgraphs from loop head to loop head, 1 loop-free subgraphs from procedure entry to loop head [2024-09-11 20:48:29,970 INFO L314 BlockEncoder]: Initial Icfg 8 locations, 7 edges [2024-09-11 20:48:29,971 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:48:29,972 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:48:29,972 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:48:29,973 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:48:29,974 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:48:30,007 INFO L101 BaseMinimizeStates]: Removed 12 edges and 6 locations by large block encoding [2024-09-11 20:48:30,008 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:48:30,008 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:48:30,008 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:48:30,009 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:48:30,009 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:48:30,029 INFO L514 InvariantChecker]: The annotation(s) from loop head L33-3 to error location mainErr5REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-11 20:48:30,045 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-11 20:48:30,045 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:48:30,045 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:48:30,046 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:48:30,046 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:48:30,046 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:48:30,050 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-11 20:48:30,051 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:48:30,051 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:48:30,051 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:48:30,051 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:48:30,051 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:48:30,056 INFO L514 InvariantChecker]: The annotation(s) from loop head L33-3 to error location mainErr1REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-11 20:48:30,075 INFO L314 BlockEncoder]: Initial Icfg 13 locations, 14 edges [2024-09-11 20:48:30,076 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:48:30,076 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:48:30,076 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:48:30,076 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:48:30,076 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:48:30,134 INFO L101 BaseMinimizeStates]: Removed 32 edges and 11 locations by large block encoding [2024-09-11 20:48:30,137 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:48:30,137 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:48:30,137 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:48:30,137 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:48:30,152 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:48:30,183 INFO L514 InvariantChecker]: The annotation(s) from loop head L33-3 to error location mainErr9REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-11 20:48:30,198 INFO L314 BlockEncoder]: Initial Icfg 7 locations, 6 edges [2024-09-11 20:48:30,199 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:48:30,199 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:48:30,199 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:48:30,199 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:48:30,199 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:48:30,211 INFO L101 BaseMinimizeStates]: Removed 10 edges and 5 locations by large block encoding [2024-09-11 20:48:30,212 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:48:30,212 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:48:30,212 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:48:30,212 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:48:30,212 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:48:30,215 INFO L514 InvariantChecker]: The annotation(s) from loop head L33-3 to error location mainErr4REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-11 20:48:30,225 INFO L314 BlockEncoder]: Initial Icfg 12 locations, 13 edges [2024-09-11 20:48:30,225 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:48:30,225 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:48:30,226 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:48:30,226 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:48:30,226 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:48:30,244 INFO L101 BaseMinimizeStates]: Removed 28 edges and 10 locations by large block encoding [2024-09-11 20:48:30,244 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:48:30,244 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:48:30,245 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:48:30,245 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:48:30,248 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:48:30,252 INFO L514 InvariantChecker]: The annotation(s) from loop head L33-3 to error location mainErr8REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-11 20:48:30,265 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 4 edges [2024-09-11 20:48:30,266 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:48:30,266 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:48:30,266 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:48:30,267 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:48:30,267 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:48:30,271 INFO L101 BaseMinimizeStates]: Removed 6 edges and 3 locations by large block encoding [2024-09-11 20:48:30,271 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:48:30,272 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:48:30,272 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:48:30,272 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:48:30,272 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:48:30,276 INFO L514 InvariantChecker]: The annotation(s) from loop head L33-3 to error location mainErr2REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-11 20:48:30,288 INFO L314 BlockEncoder]: Initial Icfg 11 locations, 12 edges [2024-09-11 20:48:30,288 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:48:30,288 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:48:30,289 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:48:30,289 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:48:30,289 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:48:30,304 INFO L101 BaseMinimizeStates]: Removed 24 edges and 9 locations by large block encoding [2024-09-11 20:48:30,304 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:48:30,305 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:48:30,305 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:48:30,305 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:48:30,308 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:48:30,310 INFO L514 InvariantChecker]: The annotation(s) from loop head L33-3 to error location mainErr7REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-11 20:48:30,320 INFO L314 BlockEncoder]: Initial Icfg 10 locations, 9 edges [2024-09-11 20:48:30,320 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:48:30,320 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:48:30,320 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:48:30,321 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:48:30,321 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:48:30,342 INFO L101 BaseMinimizeStates]: Removed 16 edges and 8 locations by large block encoding [2024-09-11 20:48:30,342 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:48:30,342 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:48:30,343 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:48:30,343 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:48:30,343 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:48:30,350 INFO L514 InvariantChecker]: The annotation(s) from loop head L33-3 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-11 20:48:30,362 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 4 edges [2024-09-11 20:48:30,363 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:48:30,363 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:48:30,363 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:48:30,363 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:48:30,364 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:48:30,370 INFO L101 BaseMinimizeStates]: Removed 6 edges and 3 locations by large block encoding [2024-09-11 20:48:30,370 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:48:30,370 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:48:30,370 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:48:30,370 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:48:30,370 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:48:30,394 INFO L314 BlockEncoder]: Initial Icfg 14 locations, 15 edges [2024-09-11 20:48:30,395 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:48:30,395 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:48:30,395 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:48:30,395 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:48:30,395 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:48:30,417 INFO L101 BaseMinimizeStates]: Removed 36 edges and 12 locations by large block encoding [2024-09-11 20:48:30,418 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:48:30,418 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:48:30,418 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:48:30,418 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:48:30,419 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:48:30,421 INFO L514 InvariantChecker]: The annotation(s) from loop head L33-3 to error location mainErr10REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-11 20:48:30,431 INFO L314 BlockEncoder]: Initial Icfg 10 locations, 11 edges [2024-09-11 20:48:30,431 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:48:30,431 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:48:30,431 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:48:30,436 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:48:30,436 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:48:30,451 INFO L101 BaseMinimizeStates]: Removed 20 edges and 8 locations by large block encoding [2024-09-11 20:48:30,451 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:48:30,451 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:48:30,452 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:48:30,452 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:48:30,452 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:48:30,455 INFO L514 InvariantChecker]: The annotation(s) from loop head L33-3 to error location mainErr6REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-11 20:48:30,465 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 5 edges [2024-09-11 20:48:30,465 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:48:30,465 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:48:30,465 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:48:30,465 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:48:30,465 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:48:30,467 INFO L101 BaseMinimizeStates]: Removed 8 edges and 3 locations by large block encoding [2024-09-11 20:48:30,468 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:48:30,468 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:48:30,468 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:48:30,468 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:48:30,468 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:48:30,469 INFO L514 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-11 20:48:30,479 INFO L314 BlockEncoder]: Initial Icfg 15 locations, 16 edges [2024-09-11 20:48:30,479 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:48:30,479 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:48:30,479 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:48:30,479 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:48:30,480 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:48:30,516 INFO L101 BaseMinimizeStates]: Removed 40 edges and 13 locations by large block encoding [2024-09-11 20:48:30,516 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:48:30,516 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:48:30,517 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:48:30,517 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:48:30,517 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:48:30,520 INFO L514 InvariantChecker]: The annotation(s) from loop head L33-3 to error location mainErr11REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-11 20:48:30,528 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-11 20:48:30,528 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:48:30,529 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:48:30,529 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:48:30,529 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:48:30,529 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:48:30,529 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-11 20:48:30,530 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:48:30,530 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:48:30,530 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:48:30,530 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:48:30,530 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:48:30,531 INFO L514 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION is inductive. [2024-09-11 20:48:30,540 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 5 edges [2024-09-11 20:48:30,540 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:48:30,540 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:48:30,540 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:48:30,540 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:48:30,541 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:48:30,547 INFO L101 BaseMinimizeStates]: Removed 8 edges and 4 locations by large block encoding [2024-09-11 20:48:30,547 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:48:30,547 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:48:30,547 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:48:30,547 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:48:30,547 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:48:30,551 INFO L514 InvariantChecker]: The annotation(s) from loop head L33-3 to error location mainErr3REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-11 20:48:30,557 INFO L58 RefereeStarter]: Annotation is not a valid proof of correctness. [2024-09-11 20:48:30,557 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@5432c9b6 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CFG 11.09 08:48:30, skipping insertion in model container [2024-09-11 20:48:30,557 INFO L131 PluginConnector]: ------------------------ END Referee---------------------------- [2024-09-11 20:48:30,559 INFO L158 Benchmark]: Toolchain (without parser) took 1286.84ms. Allocated memory is still 159.4MB. Free memory was 131.4MB in the beginning and 92.9MB in the end (delta: 38.5MB). Peak memory consumption was 83.1MB. Max. memory is 16.1GB. [2024-09-11 20:48:30,559 INFO L158 Benchmark]: CDTParser took 0.44ms. Allocated memory is still 117.4MB. Free memory is still 87.4MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-11 20:48:30,559 INFO L158 Benchmark]: Witness Parser took 0.26ms. Allocated memory is still 159.4MB. Free memory was 129.7MB in the beginning and 129.7MB in the end (delta: 18.9kB). There was no memory consumed. Max. memory is 16.1GB. [2024-09-11 20:48:30,560 INFO L158 Benchmark]: CACSL2BoogieTranslator took 261.01ms. Allocated memory is still 159.4MB. Free memory was 131.4MB in the beginning and 116.7MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-09-11 20:48:30,560 INFO L158 Benchmark]: Boogie Preprocessor took 33.03ms. Allocated memory is still 159.4MB. Free memory was 116.7MB in the beginning and 114.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-09-11 20:48:30,560 INFO L158 Benchmark]: RCFGBuilder took 332.07ms. Allocated memory is still 159.4MB. Free memory was 114.6MB in the beginning and 96.6MB in the end (delta: 18.0MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2024-09-11 20:48:30,561 INFO L158 Benchmark]: Referee took 656.34ms. Allocated memory is still 159.4MB. Free memory was 96.6MB in the beginning and 92.9MB in the end (delta: 3.7MB). Peak memory consumption was 47.4MB. Max. memory is 16.1GB. [2024-09-11 20:48:30,565 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.referee: - AnnotationCheckResult: Annotation is not a valid proof of correctness. Annotation is not a valid proof of correctness. Annotation is not valid for all loop-free paths from entry of procedure main to loop head at line 33. One counterexample starts in and ends in a=0, n=0, x=0, y=0, z=0. Annotation is valid for all loop-free paths from loop head at line 33 to check that procedure precondition always holds at line 48. Annotation is valid for all loop-free paths from loop head at line 33 to check that procedure precondition always holds at line 51. Annotation is valid for all loop-free paths from loop head at line 33 to check that procedure precondition always holds at line 33. Annotation is valid for all loop-free paths from loop head at line 33 to check that procedure precondition always holds at line 34. Annotation is valid for all loop-free paths from loop head at line 33 to loop head at line 33. Annotation is valid for all loop-free paths from loop head at line 33 to check that procedure precondition always holds at line 34. Annotation is valid for all loop-free paths from loop head at line 33 to check that procedure precondition always holds at line 49. 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 16. Annotation is valid for all loop-free paths from loop head at line 33 to check that procedure precondition always holds at line 36. Annotation is valid for all loop-free paths from loop head at line 33 to check that procedure precondition always holds at line 37. Annotation is valid for all loop-free paths from loop head at line 33 to check that procedure precondition always holds at line 35. Annotation is valid for all loop-free paths from loop head at line 33 to check that procedure precondition always holds at line 50. Annotation is valid for all loop-free paths from loop head at line 33 to check that procedure precondition always holds at line 52. Annotation is valid for all loop-free paths from entry of procedure __VERIFIER_assert to exit of procedure __VERIFIER_assert. * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.44ms. Allocated memory is still 117.4MB. Free memory is still 87.4MB. There was no memory consumed. Max. memory is 16.1GB. * Witness Parser took 0.26ms. Allocated memory is still 159.4MB. Free memory was 129.7MB in the beginning and 129.7MB in the end (delta: 18.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 261.01ms. Allocated memory is still 159.4MB. Free memory was 131.4MB in the beginning and 116.7MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Preprocessor took 33.03ms. Allocated memory is still 159.4MB. Free memory was 116.7MB in the beginning and 114.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 332.07ms. Allocated memory is still 159.4MB. Free memory was 114.6MB in the beginning and 96.6MB in the end (delta: 18.0MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * Referee took 656.34ms. Allocated memory is still 159.4MB. Free memory was 96.6MB in the beginning and 92.9MB in the end (delta: 3.7MB). Peak memory consumption was 47.4MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-09-11 20:48:30,593 INFO L540 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/referee/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE