./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/nla-digbench-scaling/fermat2-ll_valuebound10.c --full-output --witness-type correctness_witness --validate ../results/automizer-verification-files/SV-COMP24_unreach-call/fermat2-ll_valuebound10.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_valuebound10.c ../results/automizer-verification-files/SV-COMP24_unreach-call/fermat2-ll_valuebound10.yml/witness-2.1.yml -s /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Default.epf --cacsl2boogietranslator.entry.function main --traceabstraction.positions.where.we.compute.the.hoare.annotation None --- Real Ultimate output --- This is Ultimate 0.2.4-dev-a9b967e-m [2024-09-11 20:49:57,634 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-11 20:49:57,720 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Default.epf [2024-09-11 20:49:57,727 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-11 20:49:57,728 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-11 20:49:57,759 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-11 20:49:57,760 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-11 20:49:57,760 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-11 20:49:57,761 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-11 20:49:57,761 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-11 20:49:57,761 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-11 20:49:57,762 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-11 20:49:57,762 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-11 20:49:57,763 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-11 20:49:57,766 INFO L153 SettingsManager]: * Use SBE=true [2024-09-11 20:49:57,766 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-11 20:49:57,766 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-11 20:49:57,766 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-11 20:49:57,767 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-09-11 20:49:57,767 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-11 20:49:57,767 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-11 20:49:57,768 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-11 20:49:57,768 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-11 20:49:57,769 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-11 20:49:57,769 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-11 20:49:57,769 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-11 20:49:57,769 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-11 20:49:57,770 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-11 20:49:57,770 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-11 20:49:57,771 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-11 20:49:57,771 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-11 20:49:57,771 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-11 20:49:57,772 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-11 20:49:57,772 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-11 20:49:57,772 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-11 20:49:57,773 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-11 20:49:57,773 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-09-11 20:49:57,773 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-09-11 20:49:57,773 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-11 20:49:57,773 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-11 20:49:57,773 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-11 20:49:57,774 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-11 20:49:57,774 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/certificate-witnesses-artifact/referee/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None [2024-09-11 20:49:58,033 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-11 20:49:58,053 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-11 20:49:58,057 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-11 20:49:58,058 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-11 20:49:58,058 INFO L274 PluginConnector]: CDTParser initialized [2024-09-11 20:49:58,060 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/nla-digbench-scaling/fermat2-ll_valuebound10.c [2024-09-11 20:49:59,522 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-11 20:49:59,705 INFO L384 CDTParser]: Found 1 translation units. [2024-09-11 20:49:59,705 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench-scaling/fermat2-ll_valuebound10.c [2024-09-11 20:49:59,713 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/43a9fb59f/2a98c0392ad7441789c00e3f8cbe6a65/FLAG1c067983c [2024-09-11 20:50:00,104 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/43a9fb59f/2a98c0392ad7441789c00e3f8cbe6a65 [2024-09-11 20:50:00,107 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-11 20:50:00,107 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-11 20:50:00,108 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/automizer-verification-files/SV-COMP24_unreach-call/fermat2-ll_valuebound10.yml/witness-2.1.yml [2024-09-11 20:50:00,160 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-11 20:50:00,161 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-09-11 20:50:00,163 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-11 20:50:00,163 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-11 20:50:00,168 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-11 20:50:00,169 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.09 08:50:00" (1/2) ... [2024-09-11 20:50:00,172 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7be34d31 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:50:00, skipping insertion in model container [2024-09-11 20:50:00,172 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.09 08:50:00" (1/2) ... [2024-09-11 20:50:00,174 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@50378c8d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:50:00, skipping insertion in model container [2024-09-11 20:50:00,174 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 08:50:00" (2/2) ... [2024-09-11 20:50:00,174 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7be34d31 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 11.09 08:50:00, skipping insertion in model container [2024-09-11 20:50:00,174 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 08:50:00" (2/2) ... [2024-09-11 20:50:00,185 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-11 20:50:00,186 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 20:50:00,186 INFO L1541 ArrayList]: Function contract at [L11]: requires (1 <= \old(cond)), ensures (1 <= \old(cond)) [2024-09-11 20:50:00,203 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-11 20:50:00,350 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_valuebound10.c[524,537] [2024-09-11 20:50:00,372 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-11 20:50:00,385 INFO L200 MainTranslator]: Completed pre-run Start Parsing Global Start Parsing Global [2024-09-11 20:50:00,425 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_valuebound10.c[524,537] Start Parsing Local [2024-09-11 20:50:00,441 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-11 20:50:00,460 INFO L204 MainTranslator]: Completed translation [2024-09-11 20:50:00,461 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 11.09 08:50:00 WrapperNode [2024-09-11 20:50:00,461 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-11 20:50:00,462 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-11 20:50:00,462 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-11 20:50:00,462 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-11 20:50:00,474 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 08:50:00" (1/1) ... [2024-09-11 20:50:00,475 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 08:50:00" (1/1) ... [2024-09-11 20:50:00,482 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 08:50:00" (1/1) ... [2024-09-11 20:50:00,495 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 20:50:00,496 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 08:50:00" (1/1) ... [2024-09-11 20:50:00,496 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 08:50:00" (1/1) ... [2024-09-11 20:50:00,500 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 08:50:00" (1/1) ... [2024-09-11 20:50:00,507 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 08:50:00" (1/1) ... [2024-09-11 20:50:00,508 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 08:50:00" (1/1) ... [2024-09-11 20:50:00,509 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 08:50:00" (1/1) ... [2024-09-11 20:50:00,510 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-11 20:50:00,513 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-11 20:50:00,513 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-11 20:50:00,513 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-11 20:50:00,514 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 08:50:00" (1/1) ... [2024-09-11 20:50:00,520 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-11 20:50:00,528 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-09-11 20:50:00,546 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 20:50:00,548 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 20:50:00,599 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-09-11 20:50:00,599 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-11 20:50:00,599 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-09-11 20:50:00,599 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-09-11 20:50:00,600 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-09-11 20:50:00,601 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-09-11 20:50:00,601 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-09-11 20:50:00,601 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-09-11 20:50:00,601 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-09-11 20:50:00,602 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-11 20:50:00,602 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2024-09-11 20:50:00,602 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-09-11 20:50:00,602 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-09-11 20:50:00,602 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-09-11 20:50:00,602 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-09-11 20:50:00,602 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-09-11 20:50:00,602 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-11 20:50:00,602 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-09-11 20:50:00,603 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-09-11 20:50:00,603 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-09-11 20:50:00,658 INFO L242 CfgBuilder]: Building ICFG [2024-09-11 20:50:00,660 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-11 20:50:00,789 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-11 20:50:00,831 INFO L? ?]: Removed 20 outVars from TransFormulas that were not future-live. [2024-09-11 20:50:00,832 INFO L291 CfgBuilder]: Performing block encoding [2024-09-11 20:50:00,852 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-11 20:50:00,852 INFO L318 CfgBuilder]: Removed 1 assume(true) statements. [2024-09-11 20:50:00,853 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.09 08:50:00 BoogieIcfgContainer [2024-09-11 20:50:00,853 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-11 20:50:00,854 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-09-11 20:50:00,854 INFO L270 PluginConnector]: Initializing Referee... [2024-09-11 20:50:00,855 INFO L274 PluginConnector]: Referee initialized [2024-09-11 20:50:00,855 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 11.09 08:50:00" (1/4) ... [2024-09-11 20:50:00,855 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@6c0e7995 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 11.09 08:50:00, skipping insertion in model container [2024-09-11 20:50:00,855 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 08:50:00" (2/4) ... [2024-09-11 20:50:00,856 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@6c0e7995 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 11.09 08:50:00, skipping insertion in model container [2024-09-11 20:50:00,856 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 08:50:00" (3/4) ... [2024-09-11 20:50:00,856 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@6c0e7995 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 11.09 08:50:00, skipping insertion in model container [2024-09-11 20:50:00,856 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 08:50:00" (4/4) ... [2024-09-11 20:50:00,857 INFO L79 RefereeObserver]: Analyzing ICFG fermat2-ll_valuebound10.c [2024-09-11 20:50:00,864 INFO L112 InvariantChecker]: Found 1 loops. [2024-09-11 20:50:00,865 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 20:50:00,865 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 20:50:00,865 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 20:50:00,865 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 20:50:00,865 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 20:50:00,866 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 20:50:00,866 INFO L130 InvariantChecker]: Will check 1 loop-free subgraphs from loop head to loop head, 1 loop-free subgraphs from procedure entry to loop head, 2 loop-free subgraphs from procedure entry to error location, 2 loop-free subgraphs from loop head to error location [2024-09-11 20:50:00,944 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 7 edges [2024-09-11 20:50:00,945 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:50:00,967 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:50:00,967 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:50:00,972 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:50:00,978 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:50:01,017 INFO L101 BaseMinimizeStates]: Removed 12 edges and 4 locations by large block encoding [2024-09-11 20:50:01,022 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:50:01,023 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:50:01,023 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:50:01,024 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:50:01,038 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:50:01,057 INFO L514 InvariantChecker]: The annotation(s) from loop head L39-2 to error location mainErr2REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-11 20:50:01,083 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-11 20:50:01,084 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:50:01,084 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:50:01,084 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:50:01,084 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:50:01,085 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:50:01,089 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-11 20:50:01,090 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:50:01,090 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:50:01,090 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:50:01,090 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:50:01,091 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:50:01,094 INFO L514 InvariantChecker]: The annotation(s) from loop head L39-2 to error location mainErr1REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-11 20:50:01,111 INFO L314 BlockEncoder]: Initial Icfg 9 locations, 8 edges [2024-09-11 20:50:01,111 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:50:01,111 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:50:01,112 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:50:01,112 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:50:01,112 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:50:01,135 INFO L101 BaseMinimizeStates]: Removed 14 edges and 7 locations by large block encoding [2024-09-11 20:50:01,135 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:50:01,135 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:50:01,136 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:50:01,136 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:50:01,136 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:50:01,141 INFO L514 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-11 20:50:01,156 INFO L314 BlockEncoder]: Initial Icfg 7 locations, 7 edges [2024-09-11 20:50:01,160 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:50:01,161 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:50:01,161 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:50:01,161 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:50:01,161 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:50:01,183 INFO L101 BaseMinimizeStates]: Removed 12 edges and 5 locations by large block encoding [2024-09-11 20:50:01,183 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:50:01,183 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:50:01,184 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:50:01,184 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:50:01,185 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:50:01,188 INFO L514 InvariantChecker]: The annotation(s) from loop head L39-2 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-11 20:50:01,202 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 5 edges [2024-09-11 20:50:01,203 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:50:01,203 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:50:01,203 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:50:01,203 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:50:01,203 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:50:01,207 INFO L101 BaseMinimizeStates]: Removed 8 edges and 3 locations by large block encoding [2024-09-11 20:50:01,208 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:50:01,208 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:50:01,208 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:50:01,208 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:50:01,210 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:50:01,216 INFO L514 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-11 20:50:01,228 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-11 20:50:01,229 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:50:01,229 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:50:01,230 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:50:01,230 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:50:01,230 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:50:01,232 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-11 20:50:01,233 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:50:01,233 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:50:01,233 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:50:01,233 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:50:01,234 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:50:01,236 INFO L514 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION is inductive. [2024-09-11 20:50:01,239 INFO L58 RefereeStarter]: Annotation is a valid proof of correctness [2024-09-11 20:50:01,239 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@6c0e7995 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CFG 11.09 08:50:01, skipping insertion in model container [2024-09-11 20:50:01,240 INFO L131 PluginConnector]: ------------------------ END Referee---------------------------- [2024-09-11 20:50:01,241 INFO L158 Benchmark]: Toolchain (without parser) took 1079.48ms. Allocated memory is still 165.7MB. Free memory was 93.1MB in the beginning and 112.3MB in the end (delta: -19.2MB). Peak memory consumption was 40.4MB. Max. memory is 16.1GB. [2024-09-11 20:50:01,242 INFO L158 Benchmark]: CDTParser took 0.18ms. Allocated memory is still 117.4MB. Free memory is still 80.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-11 20:50:01,243 INFO L158 Benchmark]: Witness Parser took 0.22ms. Allocated memory is still 165.7MB. Free memory is still 95.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-11 20:50:01,244 INFO L158 Benchmark]: CACSL2BoogieTranslator took 298.20ms. Allocated memory is still 165.7MB. Free memory was 93.1MB in the beginning and 79.4MB in the end (delta: 13.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-09-11 20:50:01,245 INFO L158 Benchmark]: Boogie Preprocessor took 48.06ms. Allocated memory is still 165.7MB. Free memory was 79.4MB in the beginning and 77.5MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-09-11 20:50:01,246 INFO L158 Benchmark]: RCFGBuilder took 340.16ms. Allocated memory is still 165.7MB. Free memory was 77.5MB in the beginning and 62.2MB in the end (delta: 15.2MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-09-11 20:50:01,247 INFO L158 Benchmark]: Referee took 386.05ms. Allocated memory is still 165.7MB. Free memory was 62.2MB in the beginning and 112.3MB in the end (delta: -50.0MB). Peak memory consumption was 9.0MB. Max. memory is 16.1GB. [2024-09-11 20:50:01,249 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 check that procedure precondition always holds at line 36. 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 main to loop head at line 35. 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 __VERIFIER_assert to exit of procedure __VERIFIER_assert. Annotation is valid for all loop-free paths from entry of procedure __VERIFIER_assert to check that a call to reach_error is unreachable at line 13. * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18ms. Allocated memory is still 117.4MB. Free memory is still 80.3MB. There was no memory consumed. Max. memory is 16.1GB. * Witness Parser took 0.22ms. Allocated memory is still 165.7MB. Free memory is still 95.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 298.20ms. Allocated memory is still 165.7MB. Free memory was 93.1MB in the beginning and 79.4MB in the end (delta: 13.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Preprocessor took 48.06ms. Allocated memory is still 165.7MB. Free memory was 79.4MB in the beginning and 77.5MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 340.16ms. Allocated memory is still 165.7MB. Free memory was 77.5MB in the beginning and 62.2MB in the end (delta: 15.2MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Referee took 386.05ms. Allocated memory is still 165.7MB. Free memory was 62.2MB in the beginning and 112.3MB in the end (delta: -50.0MB). Peak memory consumption was 9.0MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-09-11 20:50:01,277 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_valuebound10.c ../results/automizer-verification-files/SV-COMP24_unreach-call/fermat2-ll_valuebound10.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 20:50:03,484 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-11 20:50:03,547 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Bitvector.epf [2024-09-11 20:50:03,553 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-11 20:50:03,555 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-11 20:50:03,588 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-11 20:50:03,589 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-11 20:50:03,590 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-11 20:50:03,591 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-11 20:50:03,592 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-11 20:50:03,592 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-11 20:50:03,593 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-11 20:50:03,596 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-11 20:50:03,596 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-11 20:50:03,596 INFO L153 SettingsManager]: * Use SBE=true [2024-09-11 20:50:03,597 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-11 20:50:03,597 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-11 20:50:03,597 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-11 20:50:03,598 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-11 20:50:03,600 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-11 20:50:03,601 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-11 20:50:03,601 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-11 20:50:03,602 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-11 20:50:03,602 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-09-11 20:50:03,603 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-09-11 20:50:03,603 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-11 20:50:03,603 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-09-11 20:50:03,604 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-11 20:50:03,604 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-11 20:50:03,604 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-11 20:50:03,604 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-11 20:50:03,605 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-11 20:50:03,605 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-11 20:50:03,605 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-11 20:50:03,606 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-11 20:50:03,606 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-11 20:50:03,607 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-11 20:50:03,607 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-11 20:50:03,614 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-09-11 20:50:03,614 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-09-11 20:50:03,614 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-11 20:50:03,615 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-11 20:50:03,615 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-11 20:50:03,615 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-11 20:50:03,615 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2024-09-11 20:50:03,616 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None [2024-09-11 20:50:03,933 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-11 20:50:03,957 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-11 20:50:03,960 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-11 20:50:03,962 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-11 20:50:03,962 INFO L274 PluginConnector]: CDTParser initialized [2024-09-11 20:50:03,963 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/nla-digbench-scaling/fermat2-ll_valuebound10.c [2024-09-11 20:50:05,604 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-11 20:50:05,807 INFO L384 CDTParser]: Found 1 translation units. [2024-09-11 20:50:05,809 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench-scaling/fermat2-ll_valuebound10.c [2024-09-11 20:50:05,819 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/e3ed28d22/b7fcfa64dba64a6a82c2b4046ebcbc01/FLAGe14364dfc [2024-09-11 20:50:06,180 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/e3ed28d22/b7fcfa64dba64a6a82c2b4046ebcbc01 [2024-09-11 20:50:06,183 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-11 20:50:06,183 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-11 20:50:06,184 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/automizer-verification-files/SV-COMP24_unreach-call/fermat2-ll_valuebound10.yml/witness-2.1.yml [2024-09-11 20:50:06,232 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-11 20:50:06,234 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-09-11 20:50:06,236 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-11 20:50:06,236 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-11 20:50:06,241 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-11 20:50:06,242 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.09 08:50:06" (1/2) ... [2024-09-11 20:50:06,244 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@222e0adb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:50:06, skipping insertion in model container [2024-09-11 20:50:06,244 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.09 08:50:06" (1/2) ... [2024-09-11 20:50:06,245 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@bd23776 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:50:06, skipping insertion in model container [2024-09-11 20:50:06,246 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 08:50:06" (2/2) ... [2024-09-11 20:50:06,246 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@222e0adb and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 11.09 08:50:06, skipping insertion in model container [2024-09-11 20:50:06,246 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 08:50:06" (2/2) ... [2024-09-11 20:50:06,256 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-11 20:50:06,257 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 20:50:06,257 INFO L1541 ArrayList]: Function contract at [L11]: requires (1 <= \old(cond)), ensures (1 <= \old(cond)) [2024-09-11 20:50:06,275 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-11 20:50:06,449 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_valuebound10.c[524,537] [2024-09-11 20:50:06,483 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-11 20:50:06,496 INFO L200 MainTranslator]: Completed pre-run Start Parsing Global Start Parsing Global [2024-09-11 20:50:06,535 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_valuebound10.c[524,537] Start Parsing Local [2024-09-11 20:50:06,550 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-11 20:50:06,573 INFO L204 MainTranslator]: Completed translation [2024-09-11 20:50:06,574 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 11.09 08:50:06 WrapperNode [2024-09-11 20:50:06,575 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-11 20:50:06,575 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-11 20:50:06,576 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-11 20:50:06,576 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-11 20:50:06,588 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 08:50:06" (1/1) ... [2024-09-11 20:50:06,588 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 08:50:06" (1/1) ... [2024-09-11 20:50:06,596 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 08:50:06" (1/1) ... [2024-09-11 20:50:06,611 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 20:50:06,611 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 08:50:06" (1/1) ... [2024-09-11 20:50:06,611 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 08:50:06" (1/1) ... [2024-09-11 20:50:06,623 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 08:50:06" (1/1) ... [2024-09-11 20:50:06,626 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 08:50:06" (1/1) ... [2024-09-11 20:50:06,632 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 08:50:06" (1/1) ... [2024-09-11 20:50:06,633 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 08:50:06" (1/1) ... [2024-09-11 20:50:06,636 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-11 20:50:06,637 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-11 20:50:06,638 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-11 20:50:06,638 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-11 20:50:06,639 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 08:50:06" (1/1) ... [2024-09-11 20:50:06,644 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-11 20:50:06,652 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-09-11 20:50:06,668 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 20:50:06,672 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 20:50:06,715 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-09-11 20:50:06,715 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-11 20:50:06,716 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-09-11 20:50:06,717 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-09-11 20:50:06,717 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-09-11 20:50:06,717 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-09-11 20:50:06,717 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-09-11 20:50:06,717 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-09-11 20:50:06,718 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-09-11 20:50:06,718 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-11 20:50:06,718 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2024-09-11 20:50:06,718 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-09-11 20:50:06,718 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-09-11 20:50:06,718 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-09-11 20:50:06,719 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-09-11 20:50:06,719 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-09-11 20:50:06,719 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-11 20:50:06,719 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2024-09-11 20:50:06,719 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2024-09-11 20:50:06,720 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-09-11 20:50:06,796 INFO L242 CfgBuilder]: Building ICFG [2024-09-11 20:50:06,799 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-11 20:50:12,440 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-11 20:50:12,524 INFO L? ?]: Removed 20 outVars from TransFormulas that were not future-live. [2024-09-11 20:50:12,525 INFO L291 CfgBuilder]: Performing block encoding [2024-09-11 20:50:12,555 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-11 20:50:12,555 INFO L318 CfgBuilder]: Removed 1 assume(true) statements. [2024-09-11 20:50:12,556 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.09 08:50:12 BoogieIcfgContainer [2024-09-11 20:50:12,556 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-11 20:50:12,557 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-09-11 20:50:12,557 INFO L270 PluginConnector]: Initializing Referee... [2024-09-11 20:50:12,558 INFO L274 PluginConnector]: Referee initialized [2024-09-11 20:50:12,558 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 11.09 08:50:06" (1/4) ... [2024-09-11 20:50:12,558 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@6b586138 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 11.09 08:50:12, skipping insertion in model container [2024-09-11 20:50:12,558 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 08:50:06" (2/4) ... [2024-09-11 20:50:12,559 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@6b586138 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 11.09 08:50:12, skipping insertion in model container [2024-09-11 20:50:12,559 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 08:50:06" (3/4) ... [2024-09-11 20:50:12,559 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@6b586138 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 11.09 08:50:12, skipping insertion in model container [2024-09-11 20:50:12,560 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 08:50:12" (4/4) ... [2024-09-11 20:50:12,561 INFO L79 RefereeObserver]: Analyzing ICFG fermat2-ll_valuebound10.c [2024-09-11 20:50:12,564 INFO L112 InvariantChecker]: Found 1 loops. [2024-09-11 20:50:12,565 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 20:50:12,565 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 20:50:12,566 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 20:50:12,566 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 20:50:12,566 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 20:50:12,566 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 20:50:12,567 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 20:50:12,636 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 7 edges [2024-09-11 20:50:12,637 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:50:12,637 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:50:12,638 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:50:12,639 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:50:12,641 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:50:12,689 INFO L101 BaseMinimizeStates]: Removed 12 edges and 4 locations by large block encoding [2024-09-11 20:50:12,691 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:50:12,691 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:50:12,691 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:50:12,691 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:50:12,707 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:50:12,890 INFO L514 InvariantChecker]: The annotation(s) from loop head L39-2 to error location mainErr2REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-11 20:50:12,960 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-11 20:50:12,961 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:50:12,961 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:50:12,961 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:50:12,961 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:50:12,961 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:50:12,968 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-11 20:50:12,969 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:50:12,969 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:50:12,969 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:50:12,969 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:50:12,969 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:50:17,108 INFO L510 InvariantChecker]: unknown inductivity: todo good error message [2024-09-11 20:50:17,167 INFO L314 BlockEncoder]: Initial Icfg 9 locations, 8 edges [2024-09-11 20:50:17,168 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:50:17,168 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:50:17,168 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:50:17,168 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:50:17,168 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:50:17,186 INFO L101 BaseMinimizeStates]: Removed 14 edges and 7 locations by large block encoding [2024-09-11 20:50:17,187 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:50:17,187 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:50:17,187 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:50:17,187 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:50:17,187 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:50:21,257 INFO L510 InvariantChecker]: unknown inductivity: todo good error message [2024-09-11 20:50:21,291 INFO L314 BlockEncoder]: Initial Icfg 7 locations, 7 edges [2024-09-11 20:50:21,291 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:50:21,291 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:50:21,292 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:50:21,292 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:50:21,292 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:50:21,331 INFO L101 BaseMinimizeStates]: Removed 12 edges and 5 locations by large block encoding [2024-09-11 20:50:21,332 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:50:21,332 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:50:21,332 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:50:21,332 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:50:21,339 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:50:25,743 INFO L510 InvariantChecker]: unknown inductivity: todo good error message [2024-09-11 20:50:25,838 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 5 edges [2024-09-11 20:50:25,839 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:50:25,839 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:50:25,839 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:50:25,839 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:50:25,839 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:50:25,842 INFO L101 BaseMinimizeStates]: Removed 8 edges and 3 locations by large block encoding [2024-09-11 20:50:25,842 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:50:25,842 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:50:25,842 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:50:25,843 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:50:25,843 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:50:25,853 INFO L514 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-11 20:50:25,862 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-11 20:50:25,862 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:50:25,863 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:50:25,863 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:50:25,863 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:50:25,863 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:50:25,864 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-11 20:50:25,865 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:50:25,865 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:50:25,865 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:50:25,865 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:50:25,865 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:50:25,868 INFO L514 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION is inductive. [2024-09-11 20:50:25,871 INFO L58 RefereeStarter]: Insufficient resources for checking whether annotation is a valid proof of correctness [2024-09-11 20:50:25,871 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@6b586138 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CFG 11.09 08:50:25, skipping insertion in model container [2024-09-11 20:50:25,872 INFO L131 PluginConnector]: ------------------------ END Referee---------------------------- [2024-09-11 20:50:25,873 INFO L158 Benchmark]: Toolchain (without parser) took 19638.67ms. Allocated memory was 60.8MB in the beginning and 79.7MB in the end (delta: 18.9MB). Free memory was 30.3MB in the beginning and 45.6MB in the end (delta: -15.3MB). Peak memory consumption was 20.0MB. Max. memory is 16.1GB. [2024-09-11 20:50:25,875 INFO L158 Benchmark]: CDTParser took 1.15ms. Allocated memory is still 41.9MB. Free memory was 17.1MB in the beginning and 17.1MB in the end (delta: 52.4kB). There was no memory consumed. Max. memory is 16.1GB. [2024-09-11 20:50:25,876 INFO L158 Benchmark]: Witness Parser took 0.12ms. Allocated memory is still 60.8MB. Free memory is still 32.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-11 20:50:25,877 INFO L158 Benchmark]: CACSL2BoogieTranslator took 339.16ms. Allocated memory is still 60.8MB. Free memory was 30.2MB in the beginning and 32.3MB in the end (delta: -2.1MB). Peak memory consumption was 8.8MB. Max. memory is 16.1GB. [2024-09-11 20:50:25,877 INFO L158 Benchmark]: Boogie Preprocessor took 60.68ms. Allocated memory is still 60.8MB. Free memory was 32.3MB in the beginning and 30.0MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-09-11 20:50:25,878 INFO L158 Benchmark]: RCFGBuilder took 5918.73ms. Allocated memory was 60.8MB in the beginning and 79.7MB in the end (delta: 18.9MB). Free memory was 30.0MB in the beginning and 48.3MB in the end (delta: -18.3MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2024-09-11 20:50:25,879 INFO L158 Benchmark]: Referee took 13315.00ms. Allocated memory is still 79.7MB. Free memory was 48.3MB in the beginning and 45.6MB in the end (delta: 2.6MB). Peak memory consumption was 19.5MB. Max. memory is 16.1GB. [2024-09-11 20:50:25,883 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 entry of procedure main to loop head at line 35. 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. Annotation is valid for all loop-free paths from entry of procedure __VERIFIER_assert to check that a call to reach_error is unreachable at line 13. Annotation is valid for all loop-free paths from loop head at line 35 to check that procedure precondition always holds at line 35. 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 1.15ms. Allocated memory is still 41.9MB. Free memory was 17.1MB in the beginning and 17.1MB in the end (delta: 52.4kB). There was no memory consumed. Max. memory is 16.1GB. * Witness Parser took 0.12ms. Allocated memory is still 60.8MB. Free memory is still 32.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 339.16ms. Allocated memory is still 60.8MB. Free memory was 30.2MB in the beginning and 32.3MB in the end (delta: -2.1MB). Peak memory consumption was 8.8MB. Max. memory is 16.1GB. * Boogie Preprocessor took 60.68ms. Allocated memory is still 60.8MB. Free memory was 32.3MB in the beginning and 30.0MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 5918.73ms. Allocated memory was 60.8MB in the beginning and 79.7MB in the end (delta: 18.9MB). Free memory was 30.0MB in the beginning and 48.3MB in the end (delta: -18.3MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Referee took 13315.00ms. Allocated memory is still 79.7MB. Free memory was 48.3MB in the beginning and 45.6MB in the end (delta: 2.6MB). Peak memory consumption was 19.5MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-09-11 20:50:25,996 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