./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/nla-digbench-scaling/fermat2-ll_valuebound50.c --full-output --witness-type correctness_witness --validate ../results/automizer-verification-files/SV-COMP24_unreach-call/fermat2-ll_valuebound50.yml/witness-2.1.yml --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version ca4ee3dd 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/fermat2-ll_valuebound50.c ../results/automizer-verification-files/SV-COMP24_unreach-call/fermat2-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-tmp.dk.referee-eval-ca4ee3d-m [2024-09-20 20:10:53,460 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-20 20:10:53,533 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Default.epf [2024-09-20 20:10:53,537 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-20 20:10:53,537 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-20 20:10:53,566 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-20 20:10:53,567 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-20 20:10:53,569 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-20 20:10:53,570 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-20 20:10:53,571 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-20 20:10:53,571 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-20 20:10:53,572 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-20 20:10:53,572 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-20 20:10:53,572 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-20 20:10:53,573 INFO L153 SettingsManager]: * Use SBE=true [2024-09-20 20:10:53,573 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-20 20:10:53,575 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-20 20:10:53,576 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-20 20:10:53,576 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-09-20 20:10:53,576 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-20 20:10:53,577 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-20 20:10:53,580 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-20 20:10:53,581 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-20 20:10:53,581 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-20 20:10:53,581 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-20 20:10:53,581 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-20 20:10:53,582 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-20 20:10:53,582 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-20 20:10:53,582 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-20 20:10:53,582 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-20 20:10:53,583 INFO L153 SettingsManager]: * Future-live optimization=false [2024-09-20 20:10:53,583 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-20 20:10:53,583 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-20 20:10:53,583 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-20 20:10:53,584 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-20 20:10:53,584 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-20 20:10:53,587 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-20 20:10:53,587 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-09-20 20:10:53,588 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-09-20 20:10:53,588 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-20 20:10:53,588 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-20 20:10:53,589 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-20 20:10:53,589 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-20 20:10:53,589 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None [2024-09-20 20:10:53,818 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-20 20:10:53,842 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-20 20:10:53,845 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-20 20:10:53,847 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-20 20:10:53,847 INFO L274 PluginConnector]: CDTParser initialized [2024-09-20 20:10:53,848 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/nla-digbench-scaling/fermat2-ll_valuebound50.c [2024-09-20 20:10:55,290 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-20 20:10:55,464 INFO L384 CDTParser]: Found 1 translation units. [2024-09-20 20:10:55,465 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench-scaling/fermat2-ll_valuebound50.c [2024-09-20 20:10:55,471 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/b8f852736/0948a16292834b038bf3f7b656838e2d/FLAG56fe41867 [2024-09-20 20:10:55,486 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/b8f852736/0948a16292834b038bf3f7b656838e2d [2024-09-20 20:10:55,489 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-20 20:10:55,489 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-20 20:10:55,491 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/automizer-verification-files/SV-COMP24_unreach-call/fermat2-ll_valuebound50.yml/witness-2.1.yml [2024-09-20 20:10:55,538 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-20 20:10:55,539 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-09-20 20:10:55,541 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-20 20:10:55,541 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-20 20:10:55,549 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-20 20:10:55,550 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 08:10:55" (1/2) ... [2024-09-20 20:10:55,551 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@547d204f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 08:10:55, skipping insertion in model container [2024-09-20 20:10:55,551 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 08:10:55" (1/2) ... [2024-09-20 20:10:55,553 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@61c7bff4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 08:10:55, skipping insertion in model container [2024-09-20 20:10:55,553 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 20.09 08:10:55" (2/2) ... [2024-09-20 20:10:55,553 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@547d204f and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 20.09 08:10:55, skipping insertion in model container [2024-09-20 20:10:55,553 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 20.09 08:10:55" (2/2) ... [2024-09-20 20:10:55,564 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-20 20:10:55,564 INFO L1541 ArrayList]: Loop invariant at [L35-L46] ((((__int128) v * 2) + ((__int128) u * u)) == (((((__int128) v * v) + ((__int128) u * 2)) + ((long long) A * 4)) + ((__int128) r * 4))) [2024-09-20 20:10:55,565 INFO L1541 ArrayList]: Function contract at [L11]: requires (1 <= \old(cond)), ensures (1 <= \old(cond)) [2024-09-20 20:10:55,581 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-20 20:10:55,756 WARN L248 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/fermat2-ll_valuebound50.c[524,537] [2024-09-20 20:10:55,779 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-20 20:10:55,791 INFO L200 MainTranslator]: Completed pre-run Start Parsing Global Start Parsing Global [2024-09-20 20:10:55,822 WARN L248 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/fermat2-ll_valuebound50.c[524,537] Start Parsing Local [2024-09-20 20:10:55,832 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-20 20:10:55,846 INFO L204 MainTranslator]: Completed translation [2024-09-20 20:10:55,846 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 20.09 08:10:55 WrapperNode [2024-09-20 20:10:55,846 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-20 20:10:55,847 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-20 20:10:55,847 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-20 20:10:55,847 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-20 20:10:55,861 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 20.09 08:10:55" (1/1) ... [2024-09-20 20:10:55,861 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 20.09 08:10:55" (1/1) ... [2024-09-20 20:10:55,869 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 20.09 08:10:55" (1/1) ... [2024-09-20 20:10:55,883 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 [2024-09-20 20:10:55,883 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 20.09 08:10:55" (1/1) ... [2024-09-20 20:10:55,884 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 20.09 08:10:55" (1/1) ... [2024-09-20 20:10:55,891 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 20.09 08:10:55" (1/1) ... [2024-09-20 20:10:55,899 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 20.09 08:10:55" (1/1) ... [2024-09-20 20:10:55,900 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 20.09 08:10:55" (1/1) ... [2024-09-20 20:10:55,901 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 20.09 08:10:55" (1/1) ... [2024-09-20 20:10:55,905 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-20 20:10:55,906 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-20 20:10:55,909 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-20 20:10:55,909 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-20 20:10:55,910 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 20.09 08:10:55" (1/1) ... [2024-09-20 20:10:55,920 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-20 20:10:55,928 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-09-20 20:10:55,944 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) [2024-09-20 20:10:55,953 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 [2024-09-20 20:10:55,995 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-09-20 20:10:55,995 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-20 20:10:55,995 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-09-20 20:10:55,995 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-09-20 20:10:55,997 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-09-20 20:10:55,997 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-09-20 20:10:55,998 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-09-20 20:10:55,998 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-09-20 20:10:55,998 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-09-20 20:10:55,998 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-20 20:10:55,998 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2024-09-20 20:10:55,998 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-09-20 20:10:55,999 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-09-20 20:10:55,999 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-09-20 20:10:55,999 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-09-20 20:10:55,999 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-09-20 20:10:55,999 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-20 20:10:56,000 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-09-20 20:10:56,000 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-09-20 20:10:56,000 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-09-20 20:10:56,073 INFO L242 CfgBuilder]: Building ICFG [2024-09-20 20:10:56,075 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-20 20:10:56,237 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-20 20:10:56,263 INFO L291 CfgBuilder]: Performing block encoding [2024-09-20 20:10:56,294 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-20 20:10:56,296 INFO L318 CfgBuilder]: Removed 1 assume(true) statements. [2024-09-20 20:10:56,296 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 08:10:56 BoogieIcfgContainer [2024-09-20 20:10:56,297 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-20 20:10:56,297 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-09-20 20:10:56,297 INFO L270 PluginConnector]: Initializing Referee... [2024-09-20 20:10:56,301 INFO L274 PluginConnector]: Referee initialized [2024-09-20 20:10:56,301 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 20.09 08:10:55" (1/4) ... [2024-09-20 20:10:56,302 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@62904c3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 20.09 08:10:56, skipping insertion in model container [2024-09-20 20:10:56,302 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 20.09 08:10:55" (2/4) ... [2024-09-20 20:10:56,302 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@62904c3 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 20.09 08:10:56, skipping insertion in model container [2024-09-20 20:10:56,302 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 20.09 08:10:55" (3/4) ... [2024-09-20 20:10:56,303 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@62904c3 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 20.09 08:10:56, skipping insertion in model container [2024-09-20 20:10:56,303 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 08:10:56" (4/4) ... [2024-09-20 20:10:56,306 INFO L79 RefereeObserver]: Analyzing ICFG fermat2-ll_valuebound50.c [2024-09-20 20:10:56,309 INFO L113 InvariantChecker]: Found 1 loops. [2024-09-20 20:10:56,310 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L39-2 to ERROR_LOC mainErr2REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 7 edges. [2024-09-20 20:10:56,311 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L39-2 to ERROR_LOC mainErr1REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 3 edges. [2024-09-20 20:10:56,311 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 8 edges. [2024-09-20 20:10:56,311 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L39-2 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 7 edges. [2024-09-20 20:10:56,311 INFO L373 InvariantChecker]: Will check inductivity from ENTRY __VERIFIER_assertENTRY to ERROR_LOC __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 5 edges. [2024-09-20 20:10:56,311 INFO L373 InvariantChecker]: Will check inductivity from ENTRY __VERIFIER_assertENTRY to ERROR_LOC __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 3 edges. [2024-09-20 20:10:56,312 INFO L131 InvariantChecker]: Will check 2 loop-free subgraphs from procedure entry to error location, 1 loop-free subgraphs from loop head to loop head, 2 loop-free subgraphs from loop head to error location, 1 loop-free subgraphs from procedure entry to loop head [2024-09-20 20:10:56,371 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 7 edges [2024-09-20 20:10:56,372 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 20:10:56,373 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 20:10:56,373 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 20:10:56,375 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 20:10:56,376 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:10:56,406 INFO L101 BaseMinimizeStates]: Removed 12 edges and 4 locations by large block encoding [2024-09-20 20:10:56,407 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:10:56,407 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 20:10:56,408 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 20:10:56,408 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 20:10:56,414 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 20:10:56,435 INFO L520 InvariantChecker]: The annotation(s) from loop head L39-2 to error location mainErr2REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-20 20:10:56,452 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-20 20:10:56,452 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 20:10:56,453 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 20:10:56,453 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 20:10:56,453 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 20:10:56,453 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:10:56,473 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-20 20:10:56,474 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:10:56,474 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 20:10:56,474 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 20:10:56,475 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 20:10:56,475 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 20:10:56,477 INFO L520 InvariantChecker]: The annotation(s) from loop head L39-2 to error location mainErr1REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-20 20:10:56,500 INFO L314 BlockEncoder]: Initial Icfg 9 locations, 8 edges [2024-09-20 20:10:56,500 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 20:10:56,500 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 20:10:56,500 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 20:10:56,504 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 20:10:56,504 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:10:56,518 INFO L101 BaseMinimizeStates]: Removed 14 edges and 7 locations by large block encoding [2024-09-20 20:10:56,519 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:10:56,519 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 20:10:56,519 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 20:10:56,519 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 20:10:56,519 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 20:10:56,527 INFO L520 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-20 20:10:56,547 INFO L314 BlockEncoder]: Initial Icfg 7 locations, 7 edges [2024-09-20 20:10:56,548 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 20:10:56,548 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 20:10:56,548 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 20:10:56,548 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 20:10:56,549 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:10:56,571 INFO L101 BaseMinimizeStates]: Removed 12 edges and 5 locations by large block encoding [2024-09-20 20:10:56,572 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:10:56,572 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 20:10:56,572 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 20:10:56,572 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 20:10:56,577 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 20:10:56,586 INFO L520 InvariantChecker]: The annotation(s) from loop head L39-2 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-20 20:10:56,602 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 5 edges [2024-09-20 20:10:56,606 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 20:10:56,606 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 20:10:56,606 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 20:10:56,606 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 20:10:56,606 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:10:56,614 INFO L101 BaseMinimizeStates]: Removed 8 edges and 3 locations by large block encoding [2024-09-20 20:10:56,615 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:10:56,615 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 20:10:56,615 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 20:10:56,615 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 20:10:56,616 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 20:10:56,619 INFO L520 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-20 20:10:56,629 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-20 20:10:56,630 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 20:10:56,631 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 20:10:56,631 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 20:10:56,632 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 20:10:56,632 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:10:56,634 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-20 20:10:56,634 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:10:56,634 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 20:10:56,635 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 20:10:56,635 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 20:10:56,635 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 20:10:56,640 INFO L520 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION is inductive. [2024-09-20 20:10:56,643 INFO L58 RefereeStarter]: Annotation is a valid proof of correctness. [2024-09-20 20:10:56,646 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@62904c3 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CFG 20.09 08:10:56, skipping insertion in model container [2024-09-20 20:10:56,646 INFO L131 PluginConnector]: ------------------------ END Referee---------------------------- [2024-09-20 20:10:56,647 INFO L158 Benchmark]: Toolchain (without parser) took 1107.42ms. Allocated memory is still 169.9MB. Free memory was 116.9MB in the beginning and 123.5MB in the end (delta: -6.6MB). Peak memory consumption was 44.7MB. Max. memory is 16.1GB. [2024-09-20 20:10:56,648 INFO L158 Benchmark]: CDTParser took 0.20ms. Allocated memory is still 169.9MB. Free memory is still 131.1MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-20 20:10:56,648 INFO L158 Benchmark]: Witness Parser took 0.18ms. Allocated memory is still 169.9MB. Free memory is still 119.0MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-20 20:10:56,649 INFO L158 Benchmark]: CACSL2BoogieTranslator took 306.01ms. Allocated memory is still 169.9MB. Free memory was 116.9MB in the beginning and 103.4MB in the end (delta: 13.5MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-09-20 20:10:56,650 INFO L158 Benchmark]: Boogie Preprocessor took 57.86ms. Allocated memory is still 169.9MB. Free memory was 103.4MB in the beginning and 101.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-09-20 20:10:56,652 INFO L158 Benchmark]: RCFGBuilder took 390.91ms. Allocated memory is still 169.9MB. Free memory was 101.3MB in the beginning and 88.0MB in the end (delta: 13.3MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-09-20 20:10:56,653 INFO L158 Benchmark]: Referee took 348.76ms. Allocated memory is still 169.9MB. Free memory was 88.0MB in the beginning and 123.5MB in the end (delta: -35.5MB). Peak memory consumption was 15.3MB. Max. memory is 16.1GB. [2024-09-20 20:10:56,655 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 35. 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 check that procedure precondition always holds at line 35. Annotation is valid for all loop-free paths from loop head at line 35 to check that procedure precondition always holds at line 36. Annotation is valid for all loop-free paths from entry of procedure __VERIFIER_assert to check that a call to reach_error is unreachable at line 13. * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20ms. Allocated memory is still 169.9MB. Free memory is still 131.1MB. There was no memory consumed. Max. memory is 16.1GB. * Witness Parser took 0.18ms. Allocated memory is still 169.9MB. Free memory is still 119.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 306.01ms. Allocated memory is still 169.9MB. Free memory was 116.9MB in the beginning and 103.4MB in the end (delta: 13.5MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Preprocessor took 57.86ms. Allocated memory is still 169.9MB. Free memory was 103.4MB in the beginning and 101.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 390.91ms. Allocated memory is still 169.9MB. Free memory was 101.3MB in the beginning and 88.0MB in the end (delta: 13.3MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Referee took 348.76ms. Allocated memory is still 169.9MB. Free memory was 88.0MB in the beginning and 123.5MB in the end (delta: -35.5MB). Peak memory consumption was 15.3MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2024-09-20 20:10:56,691 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: TRUE