./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/nla-digbench-scaling/fermat1-ll_valuebound50.c --full-output --witness-type correctness_witness --validate ../results/automizer-verification-files/SV-COMP24_unreach-call/fermat1-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/fermat1-ll_valuebound50.c ../results/automizer-verification-files/SV-COMP24_unreach-call/fermat1-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 20:49:39,422 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-11 20:49:39,494 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Default.epf [2024-09-11 20:49:39,499 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-11 20:49:39,501 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-11 20:49:39,528 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-11 20:49:39,531 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-11 20:49:39,531 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-11 20:49:39,532 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-11 20:49:39,533 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-11 20:49:39,534 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-11 20:49:39,534 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-11 20:49:39,534 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-11 20:49:39,535 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-11 20:49:39,538 INFO L153 SettingsManager]: * Use SBE=true [2024-09-11 20:49:39,538 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-11 20:49:39,538 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-11 20:49:39,539 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-11 20:49:39,543 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-09-11 20:49:39,543 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-11 20:49:39,544 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-11 20:49:39,545 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-11 20:49:39,545 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-11 20:49:39,545 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-11 20:49:39,545 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-11 20:49:39,546 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-11 20:49:39,546 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-11 20:49:39,546 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-11 20:49:39,546 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-11 20:49:39,547 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-11 20:49:39,547 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-11 20:49:39,547 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-11 20:49:39,547 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-11 20:49:39,547 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-11 20:49:39,548 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-11 20:49:39,548 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-11 20:49:39,550 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-09-11 20:49:39,550 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-09-11 20:49:39,550 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-11 20:49:39,550 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-11 20:49:39,550 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-11 20:49:39,551 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-11 20:49:39,551 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None [2024-09-11 20:49:39,805 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-11 20:49:39,833 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-11 20:49:39,836 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-11 20:49:39,837 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-11 20:49:39,837 INFO L274 PluginConnector]: CDTParser initialized [2024-09-11 20:49:39,839 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/nla-digbench-scaling/fermat1-ll_valuebound50.c [2024-09-11 20:49:41,292 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-11 20:49:41,466 INFO L384 CDTParser]: Found 1 translation units. [2024-09-11 20:49:41,467 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench-scaling/fermat1-ll_valuebound50.c [2024-09-11 20:49:41,474 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/5cb38ed42/7f9b265ae9dc4c7896d645ee932c8687/FLAGb1b45f474 [2024-09-11 20:49:41,491 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/5cb38ed42/7f9b265ae9dc4c7896d645ee932c8687 [2024-09-11 20:49:41,493 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-11 20:49:41,493 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-11 20:49:41,494 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/automizer-verification-files/SV-COMP24_unreach-call/fermat1-ll_valuebound50.yml/witness-2.1.yml [2024-09-11 20:49:41,552 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-11 20:49:41,553 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-09-11 20:49:41,554 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-11 20:49:41,554 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-11 20:49:41,560 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-11 20:49:41,560 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.09 08:49:41" (1/2) ... [2024-09-11 20:49:41,561 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@73445640 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:49:41, skipping insertion in model container [2024-09-11 20:49:41,561 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.09 08:49:41" (1/2) ... [2024-09-11 20:49:41,563 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@6c842156 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:49:41, skipping insertion in model container [2024-09-11 20:49:41,563 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 08:49:41" (2/2) ... [2024-09-11 20:49:41,563 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@73445640 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 11.09 08:49:41, skipping insertion in model container [2024-09-11 20:49:41,563 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 08:49:41" (2/2) ... [2024-09-11 20:49:41,575 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-11 20:49:41,575 INFO L1541 ArrayList]: Loop invariant at [L48-L54] ((((((long long) A * 4) + ((__int128) r * 4)) + ((__int128) v * v)) + ((__int128) 2 * u)) == (((__int128) 2 * v) + ((__int128) u * u))) [2024-09-11 20:49:41,575 INFO L1541 ArrayList]: Loop invariant at [L35-L55] ((((((long long) A * 4) + ((__int128) r * 4)) + ((__int128) v * v)) + ((__int128) 2 * u)) == (((__int128) 2 * v) + ((__int128) u * u))) [2024-09-11 20:49:41,575 INFO L1541 ArrayList]: Loop invariant at [L40-L46] ((((((long long) A * 4) + ((__int128) r * 4)) + ((__int128) v * v)) + ((__int128) 2 * u)) == (((__int128) 2 * v) + ((__int128) u * u))) [2024-09-11 20:49:41,576 INFO L1541 ArrayList]: Function contract at [L11]: requires (1 <= \old(cond)), ensures (1 <= \old(cond)) [2024-09-11 20:49:41,596 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-11 20:49:41,763 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/fermat1-ll_valuebound50.c[535,548] [2024-09-11 20:49:41,799 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-11 20:49:41,809 INFO L200 MainTranslator]: Completed pre-run Start Parsing Global Start Parsing Global [2024-09-11 20:49:41,850 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/fermat1-ll_valuebound50.c[535,548] Start Parsing Local Start Parsing Local Start Parsing Local [2024-09-11 20:49:41,871 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-11 20:49:41,884 INFO L204 MainTranslator]: Completed translation [2024-09-11 20:49:41,884 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 11.09 08:49:41 WrapperNode [2024-09-11 20:49:41,884 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-11 20:49:41,886 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-11 20:49:41,886 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-11 20:49:41,886 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-11 20:49:41,917 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 08:49:41" (1/1) ... [2024-09-11 20:49:41,917 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 08:49:41" (1/1) ... [2024-09-11 20:49:41,929 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 08:49:41" (1/1) ... [2024-09-11 20:49:41,945 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 20:49:41,945 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 08:49:41" (1/1) ... [2024-09-11 20:49:41,946 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 08:49:41" (1/1) ... [2024-09-11 20:49:41,955 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 08:49:41" (1/1) ... [2024-09-11 20:49:41,961 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 08:49:41" (1/1) ... [2024-09-11 20:49:41,963 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 08:49:41" (1/1) ... [2024-09-11 20:49:41,968 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 08:49:41" (1/1) ... [2024-09-11 20:49:41,970 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-11 20:49:41,975 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-11 20:49:41,975 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-11 20:49:41,975 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-11 20:49:41,976 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 08:49:41" (1/1) ... [2024-09-11 20:49:41,982 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-11 20:49:41,991 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-09-11 20:49:42,008 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 20:49:42,015 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 20:49:42,066 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-09-11 20:49:42,066 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-11 20:49:42,066 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-09-11 20:49:42,067 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-09-11 20:49:42,068 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-09-11 20:49:42,069 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-09-11 20:49:42,069 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-09-11 20:49:42,069 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-09-11 20:49:42,069 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-09-11 20:49:42,069 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-11 20:49:42,070 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2024-09-11 20:49:42,070 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-09-11 20:49:42,070 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-09-11 20:49:42,070 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-09-11 20:49:42,070 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-09-11 20:49:42,070 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-09-11 20:49:42,070 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-11 20:49:42,071 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-09-11 20:49:42,071 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-09-11 20:49:42,071 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-09-11 20:49:42,138 INFO L242 CfgBuilder]: Building ICFG [2024-09-11 20:49:42,140 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-11 20:49:42,334 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-11 20:49:42,406 INFO L? ?]: Removed 36 outVars from TransFormulas that were not future-live. [2024-09-11 20:49:42,407 INFO L291 CfgBuilder]: Performing block encoding [2024-09-11 20:49:42,437 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-11 20:49:42,438 INFO L318 CfgBuilder]: Removed 3 assume(true) statements. [2024-09-11 20:49:42,438 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.09 08:49:42 BoogieIcfgContainer [2024-09-11 20:49:42,439 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-11 20:49:42,440 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-09-11 20:49:42,440 INFO L270 PluginConnector]: Initializing Referee... [2024-09-11 20:49:42,441 INFO L274 PluginConnector]: Referee initialized [2024-09-11 20:49:42,441 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 11.09 08:49:41" (1/4) ... [2024-09-11 20:49:42,442 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@2dd2b01c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 11.09 08:49:42, skipping insertion in model container [2024-09-11 20:49:42,443 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 08:49:41" (2/4) ... [2024-09-11 20:49:42,443 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@2dd2b01c and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 11.09 08:49:42, skipping insertion in model container [2024-09-11 20:49:42,443 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 08:49:41" (3/4) ... [2024-09-11 20:49:42,443 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@2dd2b01c and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 11.09 08:49:42, skipping insertion in model container [2024-09-11 20:49:42,443 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 08:49:42" (4/4) ... [2024-09-11 20:49:42,445 INFO L79 RefereeObserver]: Analyzing ICFG fermat1-ll_valuebound50.c [2024-09-11 20:49:42,448 INFO L112 InvariantChecker]: Found 3 loops. [2024-09-11 20:49:42,448 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L48-2 to ERROR_LOC mainErr5REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 3 edges. [2024-09-11 20:49:42,448 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L48-3 to ERROR_LOC mainErr1REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 3 edges. [2024-09-11 20:49:42,449 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 8 edges. [2024-09-11 20:49:42,449 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L48-2 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 7 edges. [2024-09-11 20:49:42,449 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L48-3 to LOOP_INVARIANT_ERROR_LOC mainErr2ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 5 edges. [2024-09-11 20:49:42,449 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L40-3 to LOOP_INVARIANT_ERROR_LOC mainErr2ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 5 edges. [2024-09-11 20:49:42,449 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L48-3 to ERROR_LOC mainErr6REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 7 edges. [2024-09-11 20:49:42,449 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L40-3 to LOOP_INVARIANT_ERROR_LOC mainErr4ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 7 edges. [2024-09-11 20:49:42,449 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L48-2 to LOOP_INVARIANT_ERROR_LOC mainErr4ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 5 edges. [2024-09-11 20:49:42,450 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 20:49:42,450 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 20:49:42,450 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L40-3 to ERROR_LOC mainErr3REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 3 edges. [2024-09-11 20:49:42,450 INFO L130 InvariantChecker]: Will check 2 loop-free subgraphs from procedure entry to error location, 1 loop-free subgraphs from procedure entry to loop head, 4 loop-free subgraphs from loop head to error location, 5 loop-free subgraphs from loop head to loop head [2024-09-11 20:49:42,523 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-11 20:49:42,524 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:49:42,524 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:49:42,525 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:49:42,527 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:49:42,529 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:49:42,538 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-11 20:49:42,541 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:49:42,541 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:49:42,541 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:49:42,542 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:49:42,542 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:49:42,563 INFO L514 InvariantChecker]: The annotation(s) from loop head L48-2 to error location mainErr5REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-11 20:49:42,596 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-11 20:49:42,600 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:49:42,600 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:49:42,601 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:49:42,601 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:49:42,601 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:49:42,606 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-11 20:49:42,606 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:49:42,607 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:49:42,608 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:49:42,608 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:49:42,608 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:49:42,613 INFO L514 InvariantChecker]: The annotation(s) from loop head L48-3 to error location mainErr1REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-11 20:49:42,634 INFO L314 BlockEncoder]: Initial Icfg 9 locations, 8 edges [2024-09-11 20:49:42,634 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:49:42,634 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:49:42,634 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:49:42,634 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:49:42,635 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:49:42,660 INFO L101 BaseMinimizeStates]: Removed 14 edges and 7 locations by large block encoding [2024-09-11 20:49:42,662 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:49:42,662 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:49:42,662 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:49:42,662 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:49:42,663 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:49:42,669 INFO L514 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-11 20:49:42,690 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 7 edges [2024-09-11 20:49:42,691 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:49:42,691 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:49:42,691 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:49:42,691 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:49:42,691 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:49:42,703 INFO L101 BaseMinimizeStates]: Removed 12 edges and 4 locations by large block encoding [2024-09-11 20:49:42,703 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:49:42,704 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:49:42,704 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:49:42,704 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:49:42,710 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:49:42,712 INFO L514 InvariantChecker]: The annotation(s) from loop head L48-2 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-11 20:49:42,731 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 5 edges [2024-09-11 20:49:42,731 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:49:42,731 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:49:42,731 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:49:42,731 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:49:42,731 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:49:42,740 INFO L101 BaseMinimizeStates]: Removed 8 edges and 4 locations by large block encoding [2024-09-11 20:49:42,741 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:49:42,741 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:49:42,741 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:49:42,741 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:49:42,741 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:49:42,743 INFO L514 InvariantChecker]: The annotation(s) from loop head L48-3 to loop head mainErr2ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-11 20:49:42,756 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 5 edges [2024-09-11 20:49:42,757 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:49:42,757 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:49:42,757 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:49:42,757 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:49:42,757 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:49:42,764 INFO L101 BaseMinimizeStates]: Removed 8 edges and 4 locations by large block encoding [2024-09-11 20:49:42,765 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:49:42,766 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:49:42,766 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:49:42,766 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:49:42,766 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:49:42,768 INFO L514 InvariantChecker]: The annotation(s) from loop head L40-3 to loop head mainErr2ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-11 20:49:42,781 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 7 edges [2024-09-11 20:49:42,782 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:49:42,782 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:49:42,782 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:49:42,782 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:49:42,783 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:49:42,791 INFO L101 BaseMinimizeStates]: Removed 12 edges and 4 locations by large block encoding [2024-09-11 20:49:42,792 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:49:42,792 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:49:42,793 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:49:42,793 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:49:42,794 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:49:42,798 INFO L514 InvariantChecker]: The annotation(s) from loop head L48-3 to error location mainErr6REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-11 20:49:42,809 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 7 edges [2024-09-11 20:49:42,809 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:49:42,809 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:49:42,809 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:49:42,811 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:49:42,811 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:49:42,817 INFO L101 BaseMinimizeStates]: Removed 12 edges and 4 locations by large block encoding [2024-09-11 20:49:42,820 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:49:42,820 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:49:42,820 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:49:42,821 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:49:42,821 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:49:42,823 INFO L514 InvariantChecker]: The annotation(s) from loop head L40-3 to loop head mainErr4ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-11 20:49:42,835 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 5 edges [2024-09-11 20:49:42,836 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:49:42,836 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:49:42,836 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:49:42,836 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:49:42,837 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:49:42,842 INFO L101 BaseMinimizeStates]: Removed 8 edges and 4 locations by large block encoding [2024-09-11 20:49:42,843 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:49:42,843 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:49:42,843 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:49:42,844 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:49:42,844 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:49:42,845 INFO L514 InvariantChecker]: The annotation(s) from loop head L48-2 to loop head mainErr4ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-11 20:49:42,854 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 5 edges [2024-09-11 20:49:42,856 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:49:42,856 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:49:42,856 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:49:42,856 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:49:42,856 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:49:42,859 INFO L101 BaseMinimizeStates]: Removed 8 edges and 3 locations by large block encoding [2024-09-11 20:49:42,859 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:49:42,859 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:49:42,860 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:49:42,860 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:49:42,861 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:49:42,863 INFO L514 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-11 20:49:42,876 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-11 20:49:42,876 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:49:42,876 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:49:42,876 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:49:42,877 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:49:42,877 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:49:42,878 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-11 20:49:42,878 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:49:42,878 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:49:42,879 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:49:42,879 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:49:42,879 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:49:42,881 INFO L514 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION is inductive. [2024-09-11 20:49:42,894 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-11 20:49:42,894 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:49:42,895 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:49:42,895 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:49:42,895 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:49:42,895 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:49:42,898 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-11 20:49:42,898 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:49:42,898 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:49:42,899 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:49:42,899 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:49:42,899 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:49:42,902 INFO L514 InvariantChecker]: The annotation(s) from loop head L40-3 to error location mainErr3REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-11 20:49:42,905 INFO L58 RefereeStarter]: Annotation is a valid proof of correctness [2024-09-11 20:49:42,906 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@2dd2b01c and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CFG 11.09 08:49:42, skipping insertion in model container [2024-09-11 20:49:42,906 INFO L131 PluginConnector]: ------------------------ END Referee---------------------------- [2024-09-11 20:49:42,907 INFO L158 Benchmark]: Toolchain (without parser) took 1353.69ms. Allocated memory is still 167.8MB. Free memory was 95.7MB in the beginning and 63.8MB in the end (delta: 31.9MB). Peak memory consumption was 33.8MB. Max. memory is 16.1GB. [2024-09-11 20:49:42,908 INFO L158 Benchmark]: CDTParser took 0.24ms. Allocated memory is still 167.8MB. Free memory is still 123.7MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-11 20:49:42,909 INFO L158 Benchmark]: Witness Parser took 0.11ms. Allocated memory is still 167.8MB. Free memory is still 97.7MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-11 20:49:42,909 INFO L158 Benchmark]: CACSL2BoogieTranslator took 330.69ms. Allocated memory is still 167.8MB. Free memory was 95.5MB in the beginning and 81.3MB in the end (delta: 14.2MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-09-11 20:49:42,910 INFO L158 Benchmark]: Boogie Preprocessor took 88.33ms. Allocated memory is still 167.8MB. Free memory was 81.3MB in the beginning and 139.3MB in the end (delta: -58.0MB). Peak memory consumption was 6.5MB. Max. memory is 16.1GB. [2024-09-11 20:49:42,911 INFO L158 Benchmark]: RCFGBuilder took 463.97ms. Allocated memory is still 167.8MB. Free memory was 139.3MB in the beginning and 121.9MB in the end (delta: 17.4MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2024-09-11 20:49:42,911 INFO L158 Benchmark]: Referee took 465.99ms. Allocated memory is still 167.8MB. Free memory was 121.9MB in the beginning and 63.8MB in the end (delta: 58.1MB). Peak memory consumption was 56.6MB. Max. memory is 16.1GB. [2024-09-11 20:49:42,915 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 35 to loop head at line 40. Annotation is valid for all loop-free paths from loop head at line 48 to loop head at line 48. Annotation is valid for all loop-free paths from loop head at line 35 to check that procedure precondition always holds at line 35. Annotation is valid for all loop-free paths from loop head at line 48 to loop head at line 35. Annotation is valid for all loop-free paths from loop head at line 40 to loop head at line 48. Annotation is valid for all loop-free paths from loop head at line 48 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 exit of procedure __VERIFIER_assert. Annotation is valid for all loop-free paths from entry of procedure __VERIFIER_assert to check that a call to reach_error is unreachable at line 13. Annotation is valid for all loop-free paths from entry of procedure main to loop head at line 35. Annotation is valid for all loop-free paths from loop head at line 40 to check that procedure precondition always holds at line 41. Annotation is valid for all loop-free paths from loop head at line 40 to loop head at line 40. Annotation is valid for all loop-free paths from loop head at line 35 to check that procedure precondition always holds at line 36. * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24ms. Allocated memory is still 167.8MB. Free memory is still 123.7MB. There was no memory consumed. Max. memory is 16.1GB. * Witness Parser took 0.11ms. Allocated memory is still 167.8MB. Free memory is still 97.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 330.69ms. Allocated memory is still 167.8MB. Free memory was 95.5MB in the beginning and 81.3MB in the end (delta: 14.2MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Preprocessor took 88.33ms. Allocated memory is still 167.8MB. Free memory was 81.3MB in the beginning and 139.3MB in the end (delta: -58.0MB). Peak memory consumption was 6.5MB. Max. memory is 16.1GB. * RCFGBuilder took 463.97ms. Allocated memory is still 167.8MB. Free memory was 139.3MB in the beginning and 121.9MB in the end (delta: 17.4MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * Referee took 465.99ms. Allocated memory is still 167.8MB. Free memory was 121.9MB in the beginning and 63.8MB in the end (delta: 58.1MB). Peak memory consumption was 56.6MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-09-11 20:49:42,947 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/fermat1-ll_valuebound50.c ../results/automizer-verification-files/SV-COMP24_unreach-call/fermat1-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 20:49:45,046 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-11 20:49:45,130 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Bitvector.epf [2024-09-11 20:49:45,139 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-11 20:49:45,139 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-11 20:49:45,174 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-11 20:49:45,174 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-11 20:49:45,175 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-11 20:49:45,175 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-11 20:49:45,176 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-11 20:49:45,176 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-11 20:49:45,177 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-11 20:49:45,180 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-11 20:49:45,180 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-11 20:49:45,184 INFO L153 SettingsManager]: * Use SBE=true [2024-09-11 20:49:45,184 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-11 20:49:45,185 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-11 20:49:45,185 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-11 20:49:45,186 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-11 20:49:45,186 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-11 20:49:45,186 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-11 20:49:45,187 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-11 20:49:45,187 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-11 20:49:45,188 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-09-11 20:49:45,192 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-09-11 20:49:45,192 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-11 20:49:45,193 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-09-11 20:49:45,193 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-11 20:49:45,193 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-11 20:49:45,193 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-11 20:49:45,194 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-11 20:49:45,194 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-11 20:49:45,194 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-11 20:49:45,195 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-11 20:49:45,195 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-11 20:49:45,195 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-11 20:49:45,196 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-11 20:49:45,196 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-11 20:49:45,196 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-09-11 20:49:45,197 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-09-11 20:49:45,197 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-11 20:49:45,198 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-11 20:49:45,198 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-11 20:49:45,199 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-11 20:49:45,199 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2024-09-11 20:49:45,199 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None [2024-09-11 20:49:45,521 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-11 20:49:45,544 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-11 20:49:45,548 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-11 20:49:45,549 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-11 20:49:45,549 INFO L274 PluginConnector]: CDTParser initialized [2024-09-11 20:49:45,550 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/nla-digbench-scaling/fermat1-ll_valuebound50.c [2024-09-11 20:49:46,960 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-11 20:49:47,133 INFO L384 CDTParser]: Found 1 translation units. [2024-09-11 20:49:47,134 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench-scaling/fermat1-ll_valuebound50.c [2024-09-11 20:49:47,141 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/f989b0b36/25ac8f3329cd483c9d585baed125750f/FLAGc2eb82652 [2024-09-11 20:49:47,524 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/f989b0b36/25ac8f3329cd483c9d585baed125750f [2024-09-11 20:49:47,528 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-11 20:49:47,528 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-11 20:49:47,530 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/automizer-verification-files/SV-COMP24_unreach-call/fermat1-ll_valuebound50.yml/witness-2.1.yml [2024-09-11 20:49:47,579 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-11 20:49:47,580 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-09-11 20:49:47,583 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-11 20:49:47,583 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-11 20:49:47,587 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-11 20:49:47,588 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.09 08:49:47" (1/2) ... [2024-09-11 20:49:47,591 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@788ecd62 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:49:47, skipping insertion in model container [2024-09-11 20:49:47,591 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.09 08:49:47" (1/2) ... [2024-09-11 20:49:47,592 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@198cffac and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:49:47, skipping insertion in model container [2024-09-11 20:49:47,592 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 08:49:47" (2/2) ... [2024-09-11 20:49:47,593 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@788ecd62 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 11.09 08:49:47, skipping insertion in model container [2024-09-11 20:49:47,593 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 08:49:47" (2/2) ... [2024-09-11 20:49:47,605 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-11 20:49:47,608 INFO L1541 ArrayList]: Loop invariant at [L48-L54] ((((((long long) A * 4) + ((__int128) r * 4)) + ((__int128) v * v)) + ((__int128) 2 * u)) == (((__int128) 2 * v) + ((__int128) u * u))) [2024-09-11 20:49:47,608 INFO L1541 ArrayList]: Loop invariant at [L40-L46] ((((((long long) A * 4) + ((__int128) r * 4)) + ((__int128) v * v)) + ((__int128) 2 * u)) == (((__int128) 2 * v) + ((__int128) u * u))) [2024-09-11 20:49:47,608 INFO L1541 ArrayList]: Loop invariant at [L35-L55] ((((((long long) A * 4) + ((__int128) r * 4)) + ((__int128) v * v)) + ((__int128) 2 * u)) == (((__int128) 2 * v) + ((__int128) u * u))) [2024-09-11 20:49:47,609 INFO L1541 ArrayList]: Function contract at [L11]: requires (1 <= \old(cond)), ensures (1 <= \old(cond)) [2024-09-11 20:49:47,627 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-11 20:49:47,780 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/fermat1-ll_valuebound50.c[535,548] [2024-09-11 20:49:47,817 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-11 20:49:47,829 INFO L200 MainTranslator]: Completed pre-run Start Parsing Global Start Parsing Global [2024-09-11 20:49:47,868 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/fermat1-ll_valuebound50.c[535,548] Start Parsing Local Start Parsing Local Start Parsing Local [2024-09-11 20:49:47,896 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-11 20:49:47,910 INFO L204 MainTranslator]: Completed translation [2024-09-11 20:49:47,911 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 11.09 08:49:47 WrapperNode [2024-09-11 20:49:47,911 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-11 20:49:47,912 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-11 20:49:47,912 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-11 20:49:47,913 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-11 20:49:47,924 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 08:49:47" (1/1) ... [2024-09-11 20:49:47,925 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 08:49:47" (1/1) ... [2024-09-11 20:49:47,936 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 11.09 08:49:47" (1/1) ... [2024-09-11 20:49:47,948 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 20:49:47,951 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 08:49:47" (1/1) ... [2024-09-11 20:49:47,951 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 08:49:47" (1/1) ... [2024-09-11 20:49:47,973 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 08:49:47" (1/1) ... [2024-09-11 20:49:47,979 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 08:49:47" (1/1) ... [2024-09-11 20:49:47,982 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 08:49:47" (1/1) ... [2024-09-11 20:49:47,983 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 08:49:47" (1/1) ... [2024-09-11 20:49:47,989 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-11 20:49:47,990 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-11 20:49:47,990 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-11 20:49:47,990 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-11 20:49:47,990 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 08:49:47" (1/1) ... [2024-09-11 20:49:47,997 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-11 20:49:48,006 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-09-11 20:49:48,021 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 20:49:48,025 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 20:49:48,068 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-09-11 20:49:48,069 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-11 20:49:48,069 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-09-11 20:49:48,069 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-09-11 20:49:48,069 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-09-11 20:49:48,069 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-09-11 20:49:48,069 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-09-11 20:49:48,070 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-09-11 20:49:48,070 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-09-11 20:49:48,070 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-11 20:49:48,070 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2024-09-11 20:49:48,070 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-09-11 20:49:48,071 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-09-11 20:49:48,071 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-09-11 20:49:48,071 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-09-11 20:49:48,071 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-09-11 20:49:48,071 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-11 20:49:48,071 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2024-09-11 20:49:48,072 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2024-09-11 20:49:48,072 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-09-11 20:49:48,143 INFO L242 CfgBuilder]: Building ICFG [2024-09-11 20:49:48,146 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-11 20:50:03,935 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-11 20:50:04,044 INFO L? ?]: Removed 36 outVars from TransFormulas that were not future-live. [2024-09-11 20:50:04,045 INFO L291 CfgBuilder]: Performing block encoding [2024-09-11 20:50:04,080 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-11 20:50:04,080 INFO L318 CfgBuilder]: Removed 3 assume(true) statements. [2024-09-11 20:50:04,081 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.09 08:50:04 BoogieIcfgContainer [2024-09-11 20:50:04,081 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-11 20:50:04,082 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-09-11 20:50:04,083 INFO L270 PluginConnector]: Initializing Referee... [2024-09-11 20:50:04,083 INFO L274 PluginConnector]: Referee initialized [2024-09-11 20:50:04,084 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 11.09 08:49:47" (1/4) ... [2024-09-11 20:50:04,084 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@44659208 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 11.09 08:50:04, skipping insertion in model container [2024-09-11 20:50:04,084 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 08:49:47" (2/4) ... [2024-09-11 20:50:04,084 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@44659208 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 11.09 08:50:04, skipping insertion in model container [2024-09-11 20:50:04,084 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 08:49:47" (3/4) ... [2024-09-11 20:50:04,085 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@44659208 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 11.09 08:50:04, skipping insertion in model container [2024-09-11 20:50:04,085 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 08:50:04" (4/4) ... [2024-09-11 20:50:04,086 INFO L79 RefereeObserver]: Analyzing ICFG fermat1-ll_valuebound50.c [2024-09-11 20:50:04,090 INFO L112 InvariantChecker]: Found 3 loops. [2024-09-11 20:50:04,090 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L48-2 to ERROR_LOC mainErr5REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 3 edges. [2024-09-11 20:50:04,091 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L48-3 to ERROR_LOC mainErr1REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 3 edges. [2024-09-11 20:50:04,091 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 8 edges. [2024-09-11 20:50:04,092 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L48-2 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 7 edges. [2024-09-11 20:50:04,092 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L48-3 to LOOP_INVARIANT_ERROR_LOC mainErr2ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 5 edges. [2024-09-11 20:50:04,092 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L40-3 to LOOP_INVARIANT_ERROR_LOC mainErr2ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 5 edges. [2024-09-11 20:50:04,092 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L48-3 to ERROR_LOC mainErr6REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 7 edges. [2024-09-11 20:50:04,092 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L40-3 to LOOP_INVARIANT_ERROR_LOC mainErr4ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 7 edges. [2024-09-11 20:50:04,093 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L48-2 to LOOP_INVARIANT_ERROR_LOC mainErr4ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 5 edges. [2024-09-11 20:50:04,093 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 20:50:04,093 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 20:50:04,093 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L40-3 to ERROR_LOC mainErr3REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 3 edges. [2024-09-11 20:50:04,094 INFO L130 InvariantChecker]: Will check 5 loop-free subgraphs from loop head to loop head, 4 loop-free subgraphs from loop head to error location, 1 loop-free subgraphs from procedure entry to loop head, 2 loop-free subgraphs from procedure entry to error location [2024-09-11 20:50:04,154 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-11 20:50:04,155 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:50:04,156 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:50:04,156 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:50:04,157 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:50:04,159 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:50:04,178 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-11 20:50:04,180 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:50:04,180 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:50:04,180 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:50:04,180 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:50:04,181 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:50:08,324 INFO L510 InvariantChecker]: unknown inductivity: todo good error message [2024-09-11 20:50:08,397 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-11 20:50:08,397 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:50:08,397 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:50:08,397 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:50:08,397 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:50:08,398 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:50:08,411 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-11 20:50:08,414 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:50:08,414 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:50:08,414 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:50:08,415 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:50:08,415 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:50:12,542 INFO L510 InvariantChecker]: unknown inductivity: todo good error message [2024-09-11 20:50:12,607 INFO L314 BlockEncoder]: Initial Icfg 9 locations, 8 edges [2024-09-11 20:50:12,607 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:50:12,607 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:50:12,607 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:50:12,608 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:50:12,608 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:50:12,635 INFO L101 BaseMinimizeStates]: Removed 14 edges and 7 locations by large block encoding [2024-09-11 20:50:12,635 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:50:12,636 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:50:12,636 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:50:12,636 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:50:12,636 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:50:16,702 INFO L510 InvariantChecker]: unknown inductivity: todo good error message [2024-09-11 20:50:16,739 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 7 edges [2024-09-11 20:50:16,739 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:50:16,739 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:50:16,739 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:50:16,739 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:50:16,739 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:50:16,750 INFO L101 BaseMinimizeStates]: Removed 12 edges and 4 locations by large block encoding [2024-09-11 20:50:16,750 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:50:16,750 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:50:16,751 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:50:16,751 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:50:16,753 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:50:16,755 INFO L514 InvariantChecker]: The annotation(s) from loop head L48-2 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-11 20:50:16,769 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 5 edges [2024-09-11 20:50:16,769 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:50:16,769 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:50:16,770 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:50:16,770 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:50:16,770 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:50:16,778 INFO L101 BaseMinimizeStates]: Removed 8 edges and 4 locations by large block encoding [2024-09-11 20:50:16,778 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:50:16,778 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:50:16,778 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:50:16,778 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:50:16,779 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:50:16,780 INFO L514 InvariantChecker]: The annotation(s) from loop head L48-3 to loop head mainErr2ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-11 20:50:16,797 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 5 edges [2024-09-11 20:50:16,798 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:50:16,798 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:50:16,798 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:50:16,798 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:50:16,798 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:50:16,812 INFO L101 BaseMinimizeStates]: Removed 8 edges and 4 locations by large block encoding [2024-09-11 20:50:16,812 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:50:16,812 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:50:16,813 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:50:16,813 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:50:16,813 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:50:21,053 INFO L510 InvariantChecker]: unknown inductivity: todo good error message [2024-09-11 20:50:21,135 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 7 edges [2024-09-11 20:50:21,135 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:50:21,136 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:50:21,136 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:50:21,136 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:50:21,136 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:50:21,145 INFO L101 BaseMinimizeStates]: Removed 12 edges and 4 locations by large block encoding [2024-09-11 20:50:21,146 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:50:21,146 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:50:21,146 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:50:21,146 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:50:21,149 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:50:21,297 INFO L514 InvariantChecker]: The annotation(s) from loop head L48-3 to error location mainErr6REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-11 20:50:21,350 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 7 edges [2024-09-11 20:50:21,351 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:50:21,351 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:50:21,351 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:50:21,352 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:50:21,352 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:50:21,365 INFO L101 BaseMinimizeStates]: Removed 12 edges and 4 locations by large block encoding [2024-09-11 20:50:21,365 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:50:21,366 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:50:21,366 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:50:21,367 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:50:21,368 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:50:21,369 INFO L514 InvariantChecker]: The annotation(s) from loop head L40-3 to loop head mainErr4ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-11 20:50:21,383 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 5 edges [2024-09-11 20:50:21,383 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:50:21,384 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:50:21,384 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:50:21,384 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:50:21,384 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:50:21,393 INFO L101 BaseMinimizeStates]: Removed 8 edges and 4 locations by large block encoding [2024-09-11 20:50:21,393 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:50:21,393 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:50:21,394 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:50:21,394 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:50:21,394 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:50:25,659 INFO L510 InvariantChecker]: unknown inductivity: todo good error message [2024-09-11 20:50:25,737 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 5 edges [2024-09-11 20:50:25,738 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:50:25,738 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:50:25,738 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:50:25,738 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:50:25,738 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:50:25,740 INFO L101 BaseMinimizeStates]: Removed 8 edges and 3 locations by large block encoding [2024-09-11 20:50:25,740 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:50:25,740 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:50:25,741 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:50:25,741 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:50:25,742 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:50:25,743 INFO L514 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-11 20:50:25,755 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-11 20:50:25,755 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:50:25,756 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:50:25,756 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:50:25,756 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:50:25,756 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:50:25,757 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-11 20:50:25,759 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:50:25,759 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:50:25,759 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:50:25,759 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:50:25,759 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:50:25,762 INFO L514 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION is inductive. [2024-09-11 20:50:25,782 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-11 20:50:25,782 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:50:25,782 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:50:25,782 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:50:25,783 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:50:25,783 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:50:25,786 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-11 20:50:25,787 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:50:25,787 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:50:25,787 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:50:25,788 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:50:25,788 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:50:29,940 INFO L510 InvariantChecker]: unknown inductivity: todo good error message [2024-09-11 20:50:29,984 INFO L58 RefereeStarter]: Insufficient resources for checking whether annotation is a valid proof of correctness [2024-09-11 20:50:29,984 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@44659208 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CFG 11.09 08:50:29, skipping insertion in model container [2024-09-11 20:50:29,984 INFO L131 PluginConnector]: ------------------------ END Referee---------------------------- [2024-09-11 20:50:29,986 INFO L158 Benchmark]: Toolchain (without parser) took 42404.79ms. Allocated memory is still 75.5MB. Free memory was 51.7MB in the beginning and 48.1MB in the end (delta: 3.7MB). Peak memory consumption was 26.7MB. Max. memory is 16.1GB. [2024-09-11 20:50:29,987 INFO L158 Benchmark]: CDTParser took 0.85ms. Allocated memory is still 56.6MB. Free memory was 28.8MB in the beginning and 28.7MB in the end (delta: 73.4kB). There was no memory consumed. Max. memory is 16.1GB. [2024-09-11 20:50:29,987 INFO L158 Benchmark]: Witness Parser took 0.19ms. Allocated memory is still 75.5MB. Free memory is still 53.6MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-11 20:50:29,987 INFO L158 Benchmark]: CACSL2BoogieTranslator took 328.58ms. Allocated memory is still 75.5MB. Free memory was 51.5MB in the beginning and 36.5MB in the end (delta: 15.0MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-09-11 20:50:29,988 INFO L158 Benchmark]: Boogie Preprocessor took 76.73ms. Allocated memory is still 75.5MB. Free memory was 36.5MB in the beginning and 55.7MB in the end (delta: -19.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-09-11 20:50:29,988 INFO L158 Benchmark]: RCFGBuilder took 16091.32ms. Allocated memory is still 75.5MB. Free memory was 55.4MB in the beginning and 33.7MB in the end (delta: 21.6MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2024-09-11 20:50:29,989 INFO L158 Benchmark]: Referee took 25902.04ms. Allocated memory is still 75.5MB. Free memory was 33.7MB in the beginning and 48.1MB in the end (delta: -14.4MB). Peak memory consumption was 10.4MB. Max. memory is 16.1GB. [2024-09-11 20:50:29,992 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 48 to loop head at line 48. Insufficient resources for checking whether annotation is valid for all loop-free paths from loop head at line 48 to check that procedure precondition always holds at line 49. Insufficient resources for checking whether annotation is valid for all loop-free paths from loop head at line 40 to loop head at line 40. Insufficient resources for checking whether annotation is valid for all loop-free paths from loop head at line 40 to check that procedure precondition always holds at line 41. Insufficient resources for checking whether annotation is valid for all loop-free paths from loop head at line 35 to check that procedure precondition always holds at line 36. Insufficient resources for checking whether annotation is valid for all loop-free paths from entry of procedure main to loop head at line 35. 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 35 to loop head at line 40. Annotation is valid for all loop-free paths from loop head at line 40 to loop head at line 48. Annotation is valid for all loop-free paths from loop head at line 48 to loop head at line 35. 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 35 to check that procedure precondition always holds at line 35. * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.85ms. Allocated memory is still 56.6MB. Free memory was 28.8MB in the beginning and 28.7MB in the end (delta: 73.4kB). There was no memory consumed. Max. memory is 16.1GB. * Witness Parser took 0.19ms. Allocated memory is still 75.5MB. Free memory is still 53.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 328.58ms. Allocated memory is still 75.5MB. Free memory was 51.5MB in the beginning and 36.5MB in the end (delta: 15.0MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Preprocessor took 76.73ms. Allocated memory is still 75.5MB. Free memory was 36.5MB in the beginning and 55.7MB in the end (delta: -19.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 16091.32ms. Allocated memory is still 75.5MB. Free memory was 55.4MB in the beginning and 33.7MB in the end (delta: 21.6MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * Referee took 25902.04ms. Allocated memory is still 75.5MB. Free memory was 33.7MB in the beginning and 48.1MB in the end (delta: -14.4MB). Peak memory consumption was 10.4MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-09-11 20:50:30,065 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