./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 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/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-dev-a9b967e-m [2024-09-11 20:50:11,325 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-11 20:50:11,390 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Default.epf [2024-09-11 20:50:11,398 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-11 20:50:11,400 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-11 20:50:11,447 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-11 20:50:11,448 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-11 20:50:11,448 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-11 20:50:11,449 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-11 20:50:11,449 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-11 20:50:11,450 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-11 20:50:11,450 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-11 20:50:11,451 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-11 20:50:11,451 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-11 20:50:11,453 INFO L153 SettingsManager]: * Use SBE=true [2024-09-11 20:50:11,454 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-11 20:50:11,454 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-11 20:50:11,455 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-11 20:50:11,455 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-09-11 20:50:11,455 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-11 20:50:11,455 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-11 20:50:11,456 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-11 20:50:11,460 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-11 20:50:11,461 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-11 20:50:11,461 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-11 20:50:11,461 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-11 20:50:11,461 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-11 20:50:11,461 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-11 20:50:11,462 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-11 20:50:11,462 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-11 20:50:11,462 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-11 20:50:11,462 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-11 20:50:11,463 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-11 20:50:11,463 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-11 20:50:11,464 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-11 20:50:11,464 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-11 20:50:11,465 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-09-11 20:50:11,465 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-09-11 20:50:11,466 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-11 20:50:11,466 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-11 20:50:11,466 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-11 20:50:11,467 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-11 20:50:11,467 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None [2024-09-11 20:50:11,701 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-11 20:50:11,729 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-11 20:50:11,732 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-11 20:50:11,733 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-11 20:50:11,734 INFO L274 PluginConnector]: CDTParser initialized [2024-09-11 20:50:11,735 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/nla-digbench-scaling/fermat2-ll_valuebound50.c [2024-09-11 20:50:13,230 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-11 20:50:13,444 INFO L384 CDTParser]: Found 1 translation units. [2024-09-11 20:50:13,445 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench-scaling/fermat2-ll_valuebound50.c [2024-09-11 20:50:13,454 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/0cfc2d2de/490d2370d26a4db09a2f7562e7cc35ee/FLAGd7693024a [2024-09-11 20:50:13,467 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/0cfc2d2de/490d2370d26a4db09a2f7562e7cc35ee [2024-09-11 20:50:13,470 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-11 20:50:13,471 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-11 20:50:13,471 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/automizer-verification-files/SV-COMP24_unreach-call/fermat2-ll_valuebound50.yml/witness-2.1.yml [2024-09-11 20:50:13,521 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-11 20:50:13,522 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-09-11 20:50:13,524 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-11 20:50:13,524 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-11 20:50:13,529 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-11 20:50:13,530 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.09 08:50:13" (1/2) ... [2024-09-11 20:50:13,533 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4d0a1c7f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:50:13, skipping insertion in model container [2024-09-11 20:50:13,533 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.09 08:50:13" (1/2) ... [2024-09-11 20:50:13,535 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@31fb4684 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:50:13, skipping insertion in model container [2024-09-11 20:50:13,535 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 08:50:13" (2/2) ... [2024-09-11 20:50:13,535 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4d0a1c7f and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 11.09 08:50:13, skipping insertion in model container [2024-09-11 20:50:13,535 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 08:50:13" (2/2) ... [2024-09-11 20:50:13,547 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-11 20:50:13,548 INFO L1541 ArrayList]: Loop invariant at [L35-L46] ((((((long long) A * 4) + ((__int128) r * 4)) + ((__int128) v * v)) + ((__int128) 2 * u)) == (((__int128) 2 * v) + ((__int128) u * u))) [2024-09-11 20:50:13,548 INFO L1541 ArrayList]: Function contract at [L11]: requires (1 <= \old(cond)), ensures (1 <= \old(cond)) [2024-09-11 20:50:13,567 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-11 20:50:13,742 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/fermat2-ll_valuebound50.c[524,537] [2024-09-11 20:50:13,775 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-11 20:50:13,785 INFO L200 MainTranslator]: Completed pre-run Start Parsing Global Start Parsing Global [2024-09-11 20:50:13,827 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/fermat2-ll_valuebound50.c[524,537] Start Parsing Local [2024-09-11 20:50:13,844 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-11 20:50:13,865 INFO L204 MainTranslator]: Completed translation [2024-09-11 20:50:13,866 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 11.09 08:50:13 WrapperNode [2024-09-11 20:50:13,867 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-11 20:50:13,868 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-11 20:50:13,868 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-11 20:50:13,868 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-11 20:50:13,880 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 08:50:13" (1/1) ... [2024-09-11 20:50:13,881 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 08:50:13" (1/1) ... [2024-09-11 20:50:13,888 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 08:50:13" (1/1) ... [2024-09-11 20:50:13,903 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 20:50:13,903 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 08:50:13" (1/1) ... [2024-09-11 20:50:13,903 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 08:50:13" (1/1) ... [2024-09-11 20:50:13,912 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 08:50:13" (1/1) ... [2024-09-11 20:50:13,915 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 08:50:13" (1/1) ... [2024-09-11 20:50:13,916 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 08:50:13" (1/1) ... [2024-09-11 20:50:13,919 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 08:50:13" (1/1) ... [2024-09-11 20:50:13,922 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-11 20:50:13,926 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-11 20:50:13,927 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-11 20:50:13,927 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-11 20:50:13,928 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 08:50:13" (1/1) ... [2024-09-11 20:50:13,934 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-11 20:50:13,943 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-09-11 20:50:13,960 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 20:50:13,963 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 20:50:14,015 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-09-11 20:50:14,015 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-11 20:50:14,016 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-09-11 20:50:14,016 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-09-11 20:50:14,016 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-09-11 20:50:14,016 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-09-11 20:50:14,016 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-09-11 20:50:14,017 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-09-11 20:50:14,017 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-09-11 20:50:14,017 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-11 20:50:14,017 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2024-09-11 20:50:14,017 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-09-11 20:50:14,017 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-09-11 20:50:14,018 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-09-11 20:50:14,018 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-09-11 20:50:14,018 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-09-11 20:50:14,018 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-11 20:50:14,018 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-09-11 20:50:14,019 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-09-11 20:50:14,019 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-09-11 20:50:14,078 INFO L242 CfgBuilder]: Building ICFG [2024-09-11 20:50:14,083 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-11 20:50:14,219 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-11 20:50:14,262 INFO L? ?]: Removed 20 outVars from TransFormulas that were not future-live. [2024-09-11 20:50:14,262 INFO L291 CfgBuilder]: Performing block encoding [2024-09-11 20:50:14,289 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-11 20:50:14,289 INFO L318 CfgBuilder]: Removed 1 assume(true) statements. [2024-09-11 20:50:14,290 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.09 08:50:14 BoogieIcfgContainer [2024-09-11 20:50:14,290 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-11 20:50:14,291 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-09-11 20:50:14,291 INFO L270 PluginConnector]: Initializing Referee... [2024-09-11 20:50:14,292 INFO L274 PluginConnector]: Referee initialized [2024-09-11 20:50:14,292 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 11.09 08:50:13" (1/4) ... [2024-09-11 20:50:14,292 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@61814eb5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 11.09 08:50:14, skipping insertion in model container [2024-09-11 20:50:14,292 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 08:50:13" (2/4) ... [2024-09-11 20:50:14,293 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@61814eb5 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 11.09 08:50:14, skipping insertion in model container [2024-09-11 20:50:14,293 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 08:50:13" (3/4) ... [2024-09-11 20:50:14,293 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@61814eb5 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 11.09 08:50:14, skipping insertion in model container [2024-09-11 20:50:14,293 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 08:50:14" (4/4) ... [2024-09-11 20:50:14,295 INFO L79 RefereeObserver]: Analyzing ICFG fermat2-ll_valuebound50.c [2024-09-11 20:50:14,299 INFO L112 InvariantChecker]: Found 1 loops. [2024-09-11 20:50:14,300 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L39-2 to ERROR_LOC mainErr2REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 7 edges. [2024-09-11 20:50:14,300 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L39-2 to ERROR_LOC mainErr1REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 3 edges. [2024-09-11 20:50:14,300 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 20:50:14,300 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L39-2 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 7 edges. [2024-09-11 20:50:14,300 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 20:50:14,301 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 20:50:14,301 INFO L130 InvariantChecker]: Will check 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, 2 loop-free subgraphs from procedure entry to error location [2024-09-11 20:50:14,346 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 7 edges [2024-09-11 20:50:14,350 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:50:14,351 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:50:14,352 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:50:14,353 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:50:14,355 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:50:14,381 INFO L101 BaseMinimizeStates]: Removed 12 edges and 4 locations by large block encoding [2024-09-11 20:50:14,382 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:50:14,382 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:50:14,383 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:50:14,383 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:50:14,400 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:50:14,424 INFO L514 InvariantChecker]: The annotation(s) from loop head L39-2 to error location mainErr2REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-11 20:50:14,448 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-11 20:50:14,448 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:50:14,449 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:50:14,449 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:50:14,449 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:50:14,449 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:50:14,456 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-11 20:50:14,457 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:50:14,458 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:50:14,458 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:50:14,458 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:50:14,458 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:50:14,464 INFO L514 InvariantChecker]: The annotation(s) from loop head L39-2 to error location mainErr1REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-11 20:50:14,489 INFO L314 BlockEncoder]: Initial Icfg 9 locations, 8 edges [2024-09-11 20:50:14,489 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:50:14,490 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:50:14,490 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:50:14,491 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:50:14,491 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:50:14,510 INFO L101 BaseMinimizeStates]: Removed 14 edges and 7 locations by large block encoding [2024-09-11 20:50:14,511 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:50:14,511 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:50:14,511 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:50:14,511 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:50:14,512 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:50:14,516 INFO L514 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-11 20:50:14,540 INFO L314 BlockEncoder]: Initial Icfg 7 locations, 7 edges [2024-09-11 20:50:14,541 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:50:14,541 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:50:14,541 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:50:14,544 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:50:14,544 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:50:14,565 INFO L101 BaseMinimizeStates]: Removed 12 edges and 5 locations by large block encoding [2024-09-11 20:50:14,567 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:50:14,567 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:50:14,568 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:50:14,568 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:50:14,569 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:50:14,573 INFO L514 InvariantChecker]: The annotation(s) from loop head L39-2 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-11 20:50:14,588 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 5 edges [2024-09-11 20:50:14,590 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:50:14,591 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:50:14,591 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:50:14,591 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:50:14,592 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:50:14,596 INFO L101 BaseMinimizeStates]: Removed 8 edges and 3 locations by large block encoding [2024-09-11 20:50:14,596 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:50:14,596 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:50:14,597 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:50:14,597 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:50:14,597 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:50:14,602 INFO L514 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-11 20:50:14,612 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-11 20:50:14,612 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:50:14,612 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:50:14,612 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:50:14,612 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:50:14,613 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:50:14,614 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-11 20:50:14,614 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:50:14,615 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:50:14,615 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:50:14,615 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:50:14,615 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:50:14,617 INFO L514 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION is inductive. [2024-09-11 20:50:14,620 INFO L58 RefereeStarter]: Annotation is a valid proof of correctness [2024-09-11 20:50:14,621 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@61814eb5 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CFG 11.09 08:50:14, skipping insertion in model container [2024-09-11 20:50:14,622 INFO L131 PluginConnector]: ------------------------ END Referee---------------------------- [2024-09-11 20:50:14,624 INFO L158 Benchmark]: Toolchain (without parser) took 1100.84ms. Allocated memory is still 159.4MB. Free memory was 119.0MB in the beginning and 61.9MB in the end (delta: 57.1MB). Peak memory consumption was 56.6MB. Max. memory is 16.1GB. [2024-09-11 20:50:14,624 INFO L158 Benchmark]: CDTParser took 0.21ms. Allocated memory is still 159.4MB. Free memory is still 124.5MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-11 20:50:14,625 INFO L158 Benchmark]: Witness Parser took 0.17ms. Allocated memory is still 159.4MB. Free memory is still 121.1MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-11 20:50:14,626 INFO L158 Benchmark]: CACSL2BoogieTranslator took 343.60ms. Allocated memory is still 159.4MB. Free memory was 119.0MB in the beginning and 104.4MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-09-11 20:50:14,627 INFO L158 Benchmark]: Boogie Preprocessor took 57.76ms. Allocated memory is still 159.4MB. Free memory was 104.4MB in the beginning and 102.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-09-11 20:50:14,628 INFO L158 Benchmark]: RCFGBuilder took 363.61ms. Allocated memory is still 159.4MB. Free memory was 102.3MB in the beginning and 87.6MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-09-11 20:50:14,629 INFO L158 Benchmark]: Referee took 331.53ms. Allocated memory is still 159.4MB. Free memory was 87.6MB in the beginning and 61.9MB in the end (delta: 25.7MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-09-11 20:50:14,632 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 loop head at line 35 to check that procedure precondition always holds 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 36. Annotation is valid for all loop-free paths from entry of procedure __VERIFIER_assert to exit of procedure __VERIFIER_assert. * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21ms. Allocated memory is still 159.4MB. Free memory is still 124.5MB. There was no memory consumed. Max. memory is 16.1GB. * Witness Parser took 0.17ms. Allocated memory is still 159.4MB. Free memory is still 121.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 343.60ms. Allocated memory is still 159.4MB. Free memory was 119.0MB in the beginning and 104.4MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Preprocessor took 57.76ms. Allocated memory is still 159.4MB. Free memory was 104.4MB in the beginning and 102.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 363.61ms. Allocated memory is still 159.4MB. Free memory was 102.3MB in the beginning and 87.6MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Referee took 331.53ms. Allocated memory is still 159.4MB. Free memory was 87.6MB in the beginning and 61.9MB in the end (delta: 25.7MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-09-11 20:50:14,664 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/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_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 20:50:16,875 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-11 20:50:16,940 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Bitvector.epf [2024-09-11 20:50:16,948 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-11 20:50:16,948 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-11 20:50:16,985 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-11 20:50:16,986 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-11 20:50:16,986 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-11 20:50:16,989 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-11 20:50:16,990 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-11 20:50:16,990 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-11 20:50:16,991 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-11 20:50:16,991 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-11 20:50:16,992 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-11 20:50:16,994 INFO L153 SettingsManager]: * Use SBE=true [2024-09-11 20:50:16,995 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-11 20:50:16,995 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-11 20:50:16,995 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-11 20:50:16,996 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-11 20:50:16,996 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-11 20:50:16,996 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-11 20:50:17,000 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-11 20:50:17,001 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-11 20:50:17,001 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-09-11 20:50:17,001 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-09-11 20:50:17,001 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-11 20:50:17,002 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-09-11 20:50:17,002 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-11 20:50:17,002 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-11 20:50:17,003 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-11 20:50:17,003 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-11 20:50:17,003 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-11 20:50:17,004 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-11 20:50:17,004 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-11 20:50:17,005 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-11 20:50:17,005 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-11 20:50:17,006 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-11 20:50:17,006 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-11 20:50:17,006 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-09-11 20:50:17,006 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-09-11 20:50:17,007 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-11 20:50:17,007 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-11 20:50:17,007 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-11 20:50:17,007 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-11 20:50:17,008 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2024-09-11 20:50:17,008 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None [2024-09-11 20:50:17,351 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-11 20:50:17,375 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-11 20:50:17,378 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-11 20:50:17,379 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-11 20:50:17,380 INFO L274 PluginConnector]: CDTParser initialized [2024-09-11 20:50:17,381 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/nla-digbench-scaling/fermat2-ll_valuebound50.c [2024-09-11 20:50:19,028 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-11 20:50:19,232 INFO L384 CDTParser]: Found 1 translation units. [2024-09-11 20:50:19,234 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench-scaling/fermat2-ll_valuebound50.c [2024-09-11 20:50:19,245 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/257122d99/773f35e45f6744c883f45aeb93641c54/FLAGb79823456 [2024-09-11 20:50:19,265 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/257122d99/773f35e45f6744c883f45aeb93641c54 [2024-09-11 20:50:19,268 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-11 20:50:19,269 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-11 20:50:19,270 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/automizer-verification-files/SV-COMP24_unreach-call/fermat2-ll_valuebound50.yml/witness-2.1.yml [2024-09-11 20:50:19,331 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-11 20:50:19,332 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-09-11 20:50:19,334 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-11 20:50:19,334 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-11 20:50:19,339 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-11 20:50:19,340 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.09 08:50:19" (1/2) ... [2024-09-11 20:50:19,343 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7af47280 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:50:19, skipping insertion in model container [2024-09-11 20:50:19,343 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.09 08:50:19" (1/2) ... [2024-09-11 20:50:19,345 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@14e567ef and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:50:19, skipping insertion in model container [2024-09-11 20:50:19,345 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 08:50:19" (2/2) ... [2024-09-11 20:50:19,346 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7af47280 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 11.09 08:50:19, skipping insertion in model container [2024-09-11 20:50:19,346 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 08:50:19" (2/2) ... [2024-09-11 20:50:19,356 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-11 20:50:19,356 INFO L1541 ArrayList]: Loop invariant at [L35-L46] ((((((long long) A * 4) + ((__int128) r * 4)) + ((__int128) v * v)) + ((__int128) 2 * u)) == (((__int128) 2 * v) + ((__int128) u * u))) [2024-09-11 20:50:19,356 INFO L1541 ArrayList]: Function contract at [L11]: requires (1 <= \old(cond)), ensures (1 <= \old(cond)) [2024-09-11 20:50:19,376 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-11 20:50:19,546 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/fermat2-ll_valuebound50.c[524,537] [2024-09-11 20:50:19,577 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-11 20:50:19,598 INFO L200 MainTranslator]: Completed pre-run Start Parsing Global Start Parsing Global [2024-09-11 20:50:19,639 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/fermat2-ll_valuebound50.c[524,537] Start Parsing Local [2024-09-11 20:50:19,657 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-11 20:50:19,684 INFO L204 MainTranslator]: Completed translation [2024-09-11 20:50:19,685 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 11.09 08:50:19 WrapperNode [2024-09-11 20:50:19,685 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-11 20:50:19,686 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-11 20:50:19,687 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-11 20:50:19,687 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-11 20:50:19,700 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 08:50:19" (1/1) ... [2024-09-11 20:50:19,700 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 08:50:19" (1/1) ... [2024-09-11 20:50:19,708 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 08:50:19" (1/1) ... [2024-09-11 20:50:19,723 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 20:50:19,723 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 08:50:19" (1/1) ... [2024-09-11 20:50:19,723 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 08:50:19" (1/1) ... [2024-09-11 20:50:19,733 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 08:50:19" (1/1) ... [2024-09-11 20:50:19,737 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 08:50:19" (1/1) ... [2024-09-11 20:50:19,744 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 08:50:19" (1/1) ... [2024-09-11 20:50:19,745 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 08:50:19" (1/1) ... [2024-09-11 20:50:19,748 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-11 20:50:19,749 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-11 20:50:19,750 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-11 20:50:19,750 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-11 20:50:19,751 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 08:50:19" (1/1) ... [2024-09-11 20:50:19,756 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-11 20:50:19,765 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-09-11 20:50:19,793 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 20:50:19,799 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 20:50:19,844 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-09-11 20:50:19,844 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-11 20:50:19,846 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-09-11 20:50:19,846 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-09-11 20:50:19,846 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-09-11 20:50:19,846 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-09-11 20:50:19,846 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-09-11 20:50:19,846 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-09-11 20:50:19,846 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-09-11 20:50:19,846 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-11 20:50:19,846 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2024-09-11 20:50:19,847 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-09-11 20:50:19,847 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-09-11 20:50:19,847 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-09-11 20:50:19,847 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-09-11 20:50:19,847 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-09-11 20:50:19,847 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-11 20:50:19,848 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2024-09-11 20:50:19,848 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2024-09-11 20:50:19,848 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-09-11 20:50:19,928 INFO L242 CfgBuilder]: Building ICFG [2024-09-11 20:50:19,930 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-11 20:50:25,827 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-11 20:50:25,911 INFO L? ?]: Removed 20 outVars from TransFormulas that were not future-live. [2024-09-11 20:50:25,911 INFO L291 CfgBuilder]: Performing block encoding [2024-09-11 20:50:25,938 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-11 20:50:25,941 INFO L318 CfgBuilder]: Removed 1 assume(true) statements. [2024-09-11 20:50:25,941 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.09 08:50:25 BoogieIcfgContainer [2024-09-11 20:50:25,942 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-11 20:50:25,942 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-09-11 20:50:25,942 INFO L270 PluginConnector]: Initializing Referee... [2024-09-11 20:50:25,943 INFO L274 PluginConnector]: Referee initialized [2024-09-11 20:50:25,943 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 11.09 08:50:19" (1/4) ... [2024-09-11 20:50:25,944 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@68309248 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 11.09 08:50:25, skipping insertion in model container [2024-09-11 20:50:25,944 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 08:50:19" (2/4) ... [2024-09-11 20:50:25,946 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@68309248 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 11.09 08:50:25, skipping insertion in model container [2024-09-11 20:50:25,946 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 08:50:19" (3/4) ... [2024-09-11 20:50:25,946 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@68309248 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 11.09 08:50:25, skipping insertion in model container [2024-09-11 20:50:25,946 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 08:50:25" (4/4) ... [2024-09-11 20:50:25,948 INFO L79 RefereeObserver]: Analyzing ICFG fermat2-ll_valuebound50.c [2024-09-11 20:50:25,951 INFO L112 InvariantChecker]: Found 1 loops. [2024-09-11 20:50:25,952 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L39-2 to ERROR_LOC mainErr2REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 7 edges. [2024-09-11 20:50:25,953 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L39-2 to ERROR_LOC mainErr1REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 3 edges. [2024-09-11 20:50:25,953 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 20:50:25,953 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L39-2 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 7 edges. [2024-09-11 20:50:25,953 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 20:50:25,953 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 20:50:25,954 INFO L130 InvariantChecker]: Will check 1 loop-free subgraphs from loop head to loop head, 2 loop-free subgraphs from loop head to error location, 2 loop-free subgraphs from procedure entry to error location, 1 loop-free subgraphs from procedure entry to loop head [2024-09-11 20:50:26,024 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 7 edges [2024-09-11 20:50:26,025 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:50:26,026 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:50:26,026 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:50:26,027 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:50:26,030 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:50:26,081 INFO L101 BaseMinimizeStates]: Removed 12 edges and 4 locations by large block encoding [2024-09-11 20:50:26,083 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:50:26,083 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:50:26,083 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:50:26,084 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:50:26,097 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:50:26,278 INFO L514 InvariantChecker]: The annotation(s) from loop head L39-2 to error location mainErr2REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-11 20:50:26,345 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-11 20:50:26,346 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:50:26,346 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:50:26,346 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:50:26,347 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:50:26,347 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:50:26,354 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-11 20:50:26,357 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:50:26,361 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:50:26,361 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:50:26,362 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:50:26,362 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:50:30,523 INFO L510 InvariantChecker]: unknown inductivity: todo good error message [2024-09-11 20:50:30,591 INFO L314 BlockEncoder]: Initial Icfg 9 locations, 8 edges [2024-09-11 20:50:30,591 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:50:30,592 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:50:30,592 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:50:30,592 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:50:30,592 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:50:30,615 INFO L101 BaseMinimizeStates]: Removed 14 edges and 7 locations by large block encoding [2024-09-11 20:50:30,615 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:50:30,615 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:50:30,615 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:50:30,616 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:50:30,616 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:50:34,677 INFO L510 InvariantChecker]: unknown inductivity: todo good error message [2024-09-11 20:50:34,718 INFO L314 BlockEncoder]: Initial Icfg 7 locations, 7 edges [2024-09-11 20:50:34,718 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:50:34,718 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:50:34,719 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:50:34,719 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:50:34,719 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:50:34,758 INFO L101 BaseMinimizeStates]: Removed 12 edges and 5 locations by large block encoding [2024-09-11 20:50:34,758 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:50:34,758 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:50:34,758 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:50:34,759 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:50:34,774 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:50:39,085 INFO L510 InvariantChecker]: unknown inductivity: todo good error message [2024-09-11 20:50:39,189 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 5 edges [2024-09-11 20:50:39,189 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:50:39,189 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:50:39,189 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:50:39,189 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:50:39,189 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:50:39,193 INFO L101 BaseMinimizeStates]: Removed 8 edges and 3 locations by large block encoding [2024-09-11 20:50:39,194 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:50:39,194 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:50:39,194 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:50:39,194 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:50:39,195 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:50:39,199 INFO L514 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-11 20:50:39,208 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-11 20:50:39,209 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:50:39,209 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:50:39,209 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:50:39,209 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:50:39,209 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:50:39,211 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-11 20:50:39,212 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:50:39,212 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:50:39,212 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:50:39,212 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:50:39,212 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:50:39,214 INFO L514 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION is inductive. [2024-09-11 20:50:39,217 INFO L58 RefereeStarter]: Insufficient resources for checking whether annotation is a valid proof of correctness [2024-09-11 20:50:39,218 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@68309248 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CFG 11.09 08:50:39, skipping insertion in model container [2024-09-11 20:50:39,218 INFO L131 PluginConnector]: ------------------------ END Referee---------------------------- [2024-09-11 20:50:39,220 INFO L158 Benchmark]: Toolchain (without parser) took 19886.62ms. Allocated memory is still 62.9MB. Free memory was 43.7MB in the beginning and 32.4MB in the end (delta: 11.3MB). Peak memory consumption was 23.9MB. Max. memory is 16.1GB. [2024-09-11 20:50:39,220 INFO L158 Benchmark]: CDTParser took 1.09ms. Allocated memory is still 48.2MB. Free memory was 29.8MB in the beginning and 29.8MB in the end (delta: 60.9kB). There was no memory consumed. Max. memory is 16.1GB. [2024-09-11 20:50:39,221 INFO L158 Benchmark]: Witness Parser took 0.65ms. Allocated memory is still 62.9MB. Free memory was 29.9MB in the beginning and 29.7MB in the end (delta: 168.7kB). There was no memory consumed. Max. memory is 16.1GB. [2024-09-11 20:50:39,221 INFO L158 Benchmark]: CACSL2BoogieTranslator took 351.89ms. Allocated memory is still 62.9MB. Free memory was 43.4MB in the beginning and 29.2MB in the end (delta: 14.2MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-09-11 20:50:39,222 INFO L158 Benchmark]: Boogie Preprocessor took 62.38ms. Allocated memory is still 62.9MB. Free memory was 29.2MB in the beginning and 27.0MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-09-11 20:50:39,222 INFO L158 Benchmark]: RCFGBuilder took 6192.41ms. Allocated memory is still 62.9MB. Free memory was 27.0MB in the beginning and 27.4MB in the end (delta: -392.7kB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-09-11 20:50:39,222 INFO L158 Benchmark]: Referee took 13275.96ms. Allocated memory is still 62.9MB. Free memory was 27.4MB in the beginning and 32.4MB in the end (delta: -5.0MB). Peak memory consumption was 8.0MB. Max. memory is 16.1GB. [2024-09-11 20:50:39,225 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 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 loop head at line 35 to loop head at line 35. 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 loop head at line 35 to check that procedure precondition always holds 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 entry of procedure __VERIFIER_assert to exit of procedure __VERIFIER_assert. * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.09ms. Allocated memory is still 48.2MB. Free memory was 29.8MB in the beginning and 29.8MB in the end (delta: 60.9kB). There was no memory consumed. Max. memory is 16.1GB. * Witness Parser took 0.65ms. Allocated memory is still 62.9MB. Free memory was 29.9MB in the beginning and 29.7MB in the end (delta: 168.7kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 351.89ms. Allocated memory is still 62.9MB. Free memory was 43.4MB in the beginning and 29.2MB in the end (delta: 14.2MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Preprocessor took 62.38ms. Allocated memory is still 62.9MB. Free memory was 29.2MB in the beginning and 27.0MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 6192.41ms. Allocated memory is still 62.9MB. Free memory was 27.0MB in the beginning and 27.4MB in the end (delta: -392.7kB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Referee took 13275.96ms. Allocated memory is still 62.9MB. Free memory was 27.4MB in the beginning and 32.4MB in the end (delta: -5.0MB). Peak memory consumption was 8.0MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-09-11 20:50:39,342 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