./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/nla-digbench-scaling/fermat2-ll_valuebound2.c --full-output --witness-type correctness_witness --validate ../results/automizer-verification-files/SV-COMP24_unreach-call/fermat2-ll_valuebound2.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_valuebound2.c ../results/automizer-verification-files/SV-COMP24_unreach-call/fermat2-ll_valuebound2.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 20:50:01,715 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-11 20:50:01,787 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Default.epf [2024-09-11 20:50:01,792 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-11 20:50:01,792 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-11 20:50:01,822 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-11 20:50:01,823 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-11 20:50:01,823 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-11 20:50:01,824 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-11 20:50:01,824 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-11 20:50:01,825 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-11 20:50:01,825 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-11 20:50:01,826 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-11 20:50:01,826 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-11 20:50:01,826 INFO L153 SettingsManager]: * Use SBE=true [2024-09-11 20:50:01,827 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-11 20:50:01,827 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-11 20:50:01,827 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-11 20:50:01,828 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-09-11 20:50:01,828 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-11 20:50:01,829 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-11 20:50:01,829 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-11 20:50:01,829 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-11 20:50:01,830 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-11 20:50:01,830 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-11 20:50:01,830 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-11 20:50:01,830 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-11 20:50:01,831 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-11 20:50:01,831 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-11 20:50:01,831 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-11 20:50:01,832 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-11 20:50:01,832 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-11 20:50:01,832 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-11 20:50:01,833 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-11 20:50:01,833 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-11 20:50:01,833 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-11 20:50:01,834 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-09-11 20:50:01,834 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-09-11 20:50:01,834 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-11 20:50:01,834 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-11 20:50:01,835 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-11 20:50:01,835 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-11 20:50:01,835 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None [2024-09-11 20:50:02,074 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-11 20:50:02,099 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-11 20:50:02,103 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-11 20:50:02,104 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-11 20:50:02,105 INFO L274 PluginConnector]: CDTParser initialized [2024-09-11 20:50:02,107 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/nla-digbench-scaling/fermat2-ll_valuebound2.c [2024-09-11 20:50:03,580 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-11 20:50:03,738 INFO L384 CDTParser]: Found 1 translation units. [2024-09-11 20:50:03,738 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench-scaling/fermat2-ll_valuebound2.c [2024-09-11 20:50:03,748 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/9a773c31f/8155cfca14224b31a8b11f220338a7ff/FLAGe57ded826 [2024-09-11 20:50:03,765 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/9a773c31f/8155cfca14224b31a8b11f220338a7ff [2024-09-11 20:50:03,769 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-11 20:50:03,770 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-11 20:50:03,771 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/automizer-verification-files/SV-COMP24_unreach-call/fermat2-ll_valuebound2.yml/witness-2.1.yml [2024-09-11 20:50:03,827 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-11 20:50:03,828 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-09-11 20:50:03,830 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-11 20:50:03,831 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-11 20:50:03,836 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-11 20:50:03,837 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.09 08:50:03" (1/2) ... [2024-09-11 20:50:03,838 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@56b56e72 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:50:03, skipping insertion in model container [2024-09-11 20:50:03,838 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.09 08:50:03" (1/2) ... [2024-09-11 20:50:03,842 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@2c0bf878 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:50:03, skipping insertion in model container [2024-09-11 20:50:03,842 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 08:50:03" (2/2) ... [2024-09-11 20:50:03,842 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@56b56e72 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 11.09 08:50:03, skipping insertion in model container [2024-09-11 20:50:03,842 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 08:50:03" (2/2) ... [2024-09-11 20:50:03,854 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-11 20:50:03,855 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 20:50:03,855 INFO L1541 ArrayList]: Function contract at [L11]: requires (1 <= \old(cond)), ensures (1 <= \old(cond)) [2024-09-11 20:50:03,874 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-11 20:50:04,030 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_valuebound2.c[524,537] [2024-09-11 20:50:04,051 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-11 20:50:04,067 INFO L200 MainTranslator]: Completed pre-run Start Parsing Global Start Parsing Global [2024-09-11 20:50:04,109 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_valuebound2.c[524,537] Start Parsing Local [2024-09-11 20:50:04,122 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-11 20:50:04,137 INFO L204 MainTranslator]: Completed translation [2024-09-11 20:50:04,138 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 11.09 08:50:04 WrapperNode [2024-09-11 20:50:04,138 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-11 20:50:04,139 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-11 20:50:04,139 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-11 20:50:04,140 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-11 20:50:04,153 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 08:50:04" (1/1) ... [2024-09-11 20:50:04,154 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 08:50:04" (1/1) ... [2024-09-11 20:50:04,160 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 08:50:04" (1/1) ... [2024-09-11 20:50:04,174 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 20:50:04,174 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 08:50:04" (1/1) ... [2024-09-11 20:50:04,174 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 08:50:04" (1/1) ... [2024-09-11 20:50:04,178 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 08:50:04" (1/1) ... [2024-09-11 20:50:04,185 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 08:50:04" (1/1) ... [2024-09-11 20:50:04,187 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 08:50:04" (1/1) ... [2024-09-11 20:50:04,188 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 08:50:04" (1/1) ... [2024-09-11 20:50:04,192 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-11 20:50:04,193 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-11 20:50:04,196 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-11 20:50:04,196 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-11 20:50:04,197 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 08:50:04" (1/1) ... [2024-09-11 20:50:04,205 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-11 20:50:04,214 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-09-11 20:50:04,233 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 20:50:04,235 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 20:50:04,285 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-09-11 20:50:04,286 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-11 20:50:04,286 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-09-11 20:50:04,286 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-09-11 20:50:04,286 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-09-11 20:50:04,288 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-09-11 20:50:04,288 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-09-11 20:50:04,288 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-09-11 20:50:04,288 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-09-11 20:50:04,289 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-11 20:50:04,289 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2024-09-11 20:50:04,289 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-09-11 20:50:04,289 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-09-11 20:50:04,289 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-09-11 20:50:04,289 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-09-11 20:50:04,290 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-09-11 20:50:04,290 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-11 20:50:04,290 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-09-11 20:50:04,290 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-09-11 20:50:04,290 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-09-11 20:50:04,365 INFO L242 CfgBuilder]: Building ICFG [2024-09-11 20:50:04,369 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-11 20:50:04,514 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-11 20:50:04,556 INFO L? ?]: Removed 20 outVars from TransFormulas that were not future-live. [2024-09-11 20:50:04,556 INFO L291 CfgBuilder]: Performing block encoding [2024-09-11 20:50:04,577 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-11 20:50:04,578 INFO L318 CfgBuilder]: Removed 1 assume(true) statements. [2024-09-11 20:50:04,578 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.09 08:50:04 BoogieIcfgContainer [2024-09-11 20:50:04,578 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-11 20:50:04,579 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-09-11 20:50:04,579 INFO L270 PluginConnector]: Initializing Referee... [2024-09-11 20:50:04,580 INFO L274 PluginConnector]: Referee initialized [2024-09-11 20:50:04,580 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 11.09 08:50:03" (1/4) ... [2024-09-11 20:50:04,581 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@4e0c5356 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 11.09 08:50:04, skipping insertion in model container [2024-09-11 20:50:04,581 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 08:50:03" (2/4) ... [2024-09-11 20:50:04,581 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@4e0c5356 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 11.09 08:50:04, skipping insertion in model container [2024-09-11 20:50:04,581 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 08:50:04" (3/4) ... [2024-09-11 20:50:04,581 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@4e0c5356 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 11.09 08:50:04, skipping insertion in model container [2024-09-11 20:50:04,582 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.09 08:50:04" (4/4) ... [2024-09-11 20:50:04,583 INFO L79 RefereeObserver]: Analyzing ICFG fermat2-ll_valuebound2.c [2024-09-11 20:50:04,588 INFO L112 InvariantChecker]: Found 1 loops. [2024-09-11 20:50:04,589 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 20:50:04,589 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 20:50:04,590 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 8 edges. [2024-09-11 20:50:04,590 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 20:50:04,590 INFO L367 InvariantChecker]: Will check inductivity from ENTRY __VERIFIER_assertENTRY to ERROR_LOC __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 5 edges. [2024-09-11 20:50:04,590 INFO L367 InvariantChecker]: Will check inductivity from ENTRY __VERIFIER_assertENTRY to ERROR_LOC __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 3 edges. [2024-09-11 20:50:04,591 INFO L130 InvariantChecker]: Will check 2 loop-free subgraphs from procedure entry to error location, 2 loop-free subgraphs from loop head to error location, 1 loop-free subgraphs from loop head to loop head, 1 loop-free subgraphs from procedure entry to loop head [2024-09-11 20:50:04,657 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 7 edges [2024-09-11 20:50:04,659 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:50:04,659 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:50:04,660 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:50:04,661 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:50:04,663 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:50:04,704 INFO L101 BaseMinimizeStates]: Removed 12 edges and 4 locations by large block encoding [2024-09-11 20:50:04,705 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:50:04,705 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:50:04,706 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:50:04,707 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:50:04,714 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:50:04,731 INFO L514 InvariantChecker]: The annotation(s) from loop head L39-2 to error location mainErr2REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-11 20:50:04,755 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-11 20:50:04,757 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:50:04,757 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:50:04,759 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:50:04,759 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:50:04,759 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:50:04,764 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-11 20:50:04,764 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:50:04,764 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:50:04,765 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:50:04,765 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:50:04,765 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:50:04,771 INFO L514 InvariantChecker]: The annotation(s) from loop head L39-2 to error location mainErr1REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-11 20:50:04,794 INFO L314 BlockEncoder]: Initial Icfg 9 locations, 8 edges [2024-09-11 20:50:04,796 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:50:04,797 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:50:04,797 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:50:04,797 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:50:04,798 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:50:04,826 INFO L101 BaseMinimizeStates]: Removed 14 edges and 7 locations by large block encoding [2024-09-11 20:50:04,826 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:50:04,827 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:50:04,827 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:50:04,827 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:50:04,827 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:50:04,833 INFO L514 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-11 20:50:04,855 INFO L314 BlockEncoder]: Initial Icfg 7 locations, 7 edges [2024-09-11 20:50:04,857 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:50:04,857 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:50:04,857 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:50:04,857 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:50:04,858 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:50:04,878 INFO L101 BaseMinimizeStates]: Removed 12 edges and 5 locations by large block encoding [2024-09-11 20:50:04,879 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:50:04,879 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:50:04,879 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:50:04,880 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:50:04,881 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:50:04,883 INFO L514 InvariantChecker]: The annotation(s) from loop head L39-2 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-11 20:50:04,895 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 5 edges [2024-09-11 20:50:04,895 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:50:04,895 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:50:04,896 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:50:04,896 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:50:04,896 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:50:04,899 INFO L101 BaseMinimizeStates]: Removed 8 edges and 3 locations by large block encoding [2024-09-11 20:50:04,901 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:50:04,901 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:50:04,901 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:50:04,901 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:50:04,903 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:50:04,907 INFO L514 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-11 20:50:04,916 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-11 20:50:04,916 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:50:04,917 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:50:04,919 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:50:04,919 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:50:04,919 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:50:04,921 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-11 20:50:04,921 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:50:04,921 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:50:04,922 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:50:04,922 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:50:04,922 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:50:04,924 INFO L514 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION is inductive. [2024-09-11 20:50:04,927 INFO L58 RefereeStarter]: Annotation is a valid proof of correctness [2024-09-11 20:50:04,928 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@4e0c5356 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CFG 11.09 08:50:04, skipping insertion in model container [2024-09-11 20:50:04,928 INFO L131 PluginConnector]: ------------------------ END Referee---------------------------- [2024-09-11 20:50:04,930 INFO L158 Benchmark]: Toolchain (without parser) took 1101.08ms. Allocated memory is still 172.0MB. Free memory was 110.7MB in the beginning and 54.1MB in the end (delta: 56.6MB). Peak memory consumption was 56.6MB. Max. memory is 16.1GB. [2024-09-11 20:50:04,931 INFO L158 Benchmark]: CDTParser took 0.47ms. Allocated memory is still 172.0MB. Free memory was 135.2MB in the beginning and 134.9MB in the end (delta: 318.8kB). There was no memory consumed. Max. memory is 16.1GB. [2024-09-11 20:50:04,931 INFO L158 Benchmark]: Witness Parser took 0.72ms. Allocated memory is still 172.0MB. Free memory is still 112.4MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-11 20:50:04,932 INFO L158 Benchmark]: CACSL2BoogieTranslator took 308.70ms. Allocated memory is still 172.0MB. Free memory was 110.3MB in the beginning and 96.9MB in the end (delta: 13.5MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-09-11 20:50:04,932 INFO L158 Benchmark]: Boogie Preprocessor took 52.55ms. Allocated memory is still 172.0MB. Free memory was 96.9MB in the beginning and 94.8MB in the end (delta: 2.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-09-11 20:50:04,933 INFO L158 Benchmark]: RCFGBuilder took 386.00ms. Allocated memory is still 172.0MB. Free memory was 94.8MB in the beginning and 79.8MB in the end (delta: 15.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-09-11 20:50:04,933 INFO L158 Benchmark]: Referee took 348.99ms. Allocated memory is still 172.0MB. Free memory was 79.8MB in the beginning and 54.1MB in the end (delta: 25.6MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. [2024-09-11 20:50:04,935 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 entry of procedure __VERIFIER_assert to exit of procedure __VERIFIER_assert. Annotation is valid for all loop-free paths from loop head at line 35 to check that procedure precondition always holds at line 35. Annotation is valid for all loop-free paths from entry of procedure main to loop head at line 35. Annotation is valid for all loop-free paths from entry of procedure __VERIFIER_assert to 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 loop head at line 35 to loop head at line 35. * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.47ms. Allocated memory is still 172.0MB. Free memory was 135.2MB in the beginning and 134.9MB in the end (delta: 318.8kB). There was no memory consumed. Max. memory is 16.1GB. * Witness Parser took 0.72ms. Allocated memory is still 172.0MB. Free memory is still 112.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 308.70ms. Allocated memory is still 172.0MB. Free memory was 110.3MB in the beginning and 96.9MB in the end (delta: 13.5MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Preprocessor took 52.55ms. Allocated memory is still 172.0MB. Free memory was 96.9MB in the beginning and 94.8MB in the end (delta: 2.1MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 386.00ms. Allocated memory is still 172.0MB. Free memory was 94.8MB in the beginning and 79.8MB in the end (delta: 15.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Referee took 348.99ms. Allocated memory is still 172.0MB. Free memory was 79.8MB in the beginning and 54.1MB in the end (delta: 25.6MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-09-11 20:50:04,959 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_valuebound2.c ../results/automizer-verification-files/SV-COMP24_unreach-call/fermat2-ll_valuebound2.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 20:50:07,163 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-11 20:50:07,233 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Bitvector.epf [2024-09-11 20:50:07,241 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-11 20:50:07,241 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-11 20:50:07,272 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-11 20:50:07,274 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-11 20:50:07,275 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-11 20:50:07,276 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-11 20:50:07,276 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-11 20:50:07,277 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-11 20:50:07,277 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-11 20:50:07,278 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-11 20:50:07,280 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-11 20:50:07,280 INFO L153 SettingsManager]: * Use SBE=true [2024-09-11 20:50:07,281 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-11 20:50:07,281 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-11 20:50:07,281 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-11 20:50:07,282 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-11 20:50:07,282 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-11 20:50:07,282 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-11 20:50:07,285 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-11 20:50:07,285 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-11 20:50:07,286 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-09-11 20:50:07,286 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-09-11 20:50:07,286 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-11 20:50:07,286 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-09-11 20:50:07,287 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-11 20:50:07,287 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-11 20:50:07,287 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-11 20:50:07,288 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-11 20:50:07,288 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-11 20:50:07,288 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-11 20:50:07,288 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-11 20:50:07,288 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-11 20:50:07,295 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-11 20:50:07,295 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-11 20:50:07,295 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-11 20:50:07,296 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-09-11 20:50:07,296 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-09-11 20:50:07,296 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-11 20:50:07,297 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-11 20:50:07,297 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-11 20:50:07,297 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-11 20:50:07,297 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2024-09-11 20:50:07,298 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None [2024-09-11 20:50:07,606 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-11 20:50:07,626 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-11 20:50:07,630 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-11 20:50:07,631 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-11 20:50:07,631 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-11 20:50:07,633 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/automizer-verification-files/SV-COMP24_unreach-call/fermat2-ll_valuebound2.yml/witness-2.1.yml [2024-09-11 20:50:07,683 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-11 20:50:07,684 INFO L274 PluginConnector]: CDTParser initialized [2024-09-11 20:50:07,685 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/nla-digbench-scaling/fermat2-ll_valuebound2.c [2024-09-11 20:50:09,338 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-11 20:50:09,538 INFO L384 CDTParser]: Found 1 translation units. [2024-09-11 20:50:09,538 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench-scaling/fermat2-ll_valuebound2.c [2024-09-11 20:50:09,547 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/46a7de6ec/ff20465db7b545b4a3b72f75999cf5d2/FLAG61883085f [2024-09-11 20:50:09,916 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/46a7de6ec/ff20465db7b545b4a3b72f75999cf5d2 [2024-09-11 20:50:09,917 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-11 20:50:09,918 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-09-11 20:50:09,919 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-11 20:50:09,919 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-11 20:50:09,924 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-11 20:50:09,925 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 08:50:07" (1/2) ... [2024-09-11 20:50:09,928 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5f45e050 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 11.09 08:50:09, skipping insertion in model container [2024-09-11 20:50:09,930 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 08:50:07" (1/2) ... [2024-09-11 20:50:09,932 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@1a9198c8 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 11.09 08:50:09, skipping insertion in model container [2024-09-11 20:50:09,932 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.09 08:50:09" (2/2) ... [2024-09-11 20:50:09,932 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5f45e050 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:50:09, skipping insertion in model container [2024-09-11 20:50:09,932 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.09 08:50:09" (2/2) ... [2024-09-11 20:50:09,939 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-11 20:50:09,940 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 20:50:09,940 INFO L1541 ArrayList]: Function contract at [L11]: requires (1 <= \old(cond)), ensures (1 <= \old(cond)) [2024-09-11 20:50:09,957 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-11 20:50:10,108 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_valuebound2.c[524,537] [2024-09-11 20:50:10,145 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-11 20:50:10,163 INFO L200 MainTranslator]: Completed pre-run Start Parsing Global Start Parsing Global [2024-09-11 20:50:10,203 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_valuebound2.c[524,537] Start Parsing Local [2024-09-11 20:50:10,220 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-11 20:50:10,237 INFO L204 MainTranslator]: Completed translation [2024-09-11 20:50:10,238 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:50:10 WrapperNode [2024-09-11 20:50:10,238 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-11 20:50:10,239 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-11 20:50:10,239 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-11 20:50:10,239 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-11 20:50:10,252 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:50:10" (1/1) ... [2024-09-11 20:50:10,252 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:50:10" (1/1) ... [2024-09-11 20:50:10,260 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:50:10" (1/1) ... [2024-09-11 20:50:10,269 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 20:50:10,269 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:50:10" (1/1) ... [2024-09-11 20:50:10,270 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:50:10" (1/1) ... [2024-09-11 20:50:10,276 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:50:10" (1/1) ... [2024-09-11 20:50:10,280 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:50:10" (1/1) ... [2024-09-11 20:50:10,282 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:50:10" (1/1) ... [2024-09-11 20:50:10,283 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:50:10" (1/1) ... [2024-09-11 20:50:10,285 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-11 20:50:10,290 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-11 20:50:10,290 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-11 20:50:10,290 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-11 20:50:10,291 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:50:10" (1/1) ... [2024-09-11 20:50:10,299 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-11 20:50:10,308 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-09-11 20:50:10,321 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 20:50:10,324 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 20:50:10,365 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-09-11 20:50:10,365 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-11 20:50:10,365 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-09-11 20:50:10,366 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-09-11 20:50:10,366 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-09-11 20:50:10,366 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-09-11 20:50:10,366 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-09-11 20:50:10,366 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-09-11 20:50:10,366 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-09-11 20:50:10,367 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-11 20:50:10,367 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2024-09-11 20:50:10,367 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-09-11 20:50:10,367 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-09-11 20:50:10,367 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-09-11 20:50:10,368 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-09-11 20:50:10,368 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-09-11 20:50:10,368 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-11 20:50:10,368 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2024-09-11 20:50:10,368 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2024-09-11 20:50:10,368 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-09-11 20:50:10,449 INFO L242 CfgBuilder]: Building ICFG [2024-09-11 20:50:10,452 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-11 20:50:16,222 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-11 20:50:16,305 INFO L? ?]: Removed 20 outVars from TransFormulas that were not future-live. [2024-09-11 20:50:16,306 INFO L291 CfgBuilder]: Performing block encoding [2024-09-11 20:50:16,327 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-11 20:50:16,327 INFO L318 CfgBuilder]: Removed 1 assume(true) statements. [2024-09-11 20:50:16,328 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.09 08:50:16 BoogieIcfgContainer [2024-09-11 20:50:16,328 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-11 20:50:16,328 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-09-11 20:50:16,329 INFO L270 PluginConnector]: Initializing Referee... [2024-09-11 20:50:16,329 INFO L274 PluginConnector]: Referee initialized [2024-09-11 20:50:16,330 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 08:50:07" (1/4) ... [2024-09-11 20:50:16,330 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@3ba15875 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 11.09 08:50:16, skipping insertion in model container [2024-09-11 20:50:16,330 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 11.09 08:50:09" (2/4) ... [2024-09-11 20:50:16,330 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@3ba15875 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 11.09 08:50:16, skipping insertion in model container [2024-09-11 20:50:16,331 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:50:10" (3/4) ... [2024-09-11 20:50:16,331 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@3ba15875 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 11.09 08:50:16, skipping insertion in model container [2024-09-11 20:50:16,331 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.09 08:50:16" (4/4) ... [2024-09-11 20:50:16,332 INFO L79 RefereeObserver]: Analyzing ICFG fermat2-ll_valuebound2.c [2024-09-11 20:50:16,336 INFO L112 InvariantChecker]: Found 1 loops. [2024-09-11 20:50:16,337 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 20:50:16,337 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 20:50:16,338 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 20:50:16,338 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 20:50:16,338 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 20:50:16,338 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 20:50:16,338 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 20:50:16,399 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 7 edges [2024-09-11 20:50:16,400 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:50:16,401 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:50:16,402 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:50:16,403 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:50:16,405 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:50:16,447 INFO L101 BaseMinimizeStates]: Removed 12 edges and 4 locations by large block encoding [2024-09-11 20:50:16,448 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:50:16,448 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:50:16,449 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:50:16,449 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:50:16,462 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:50:16,599 INFO L514 InvariantChecker]: The annotation(s) from loop head L39-2 to error location mainErr2REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-11 20:50:16,648 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-11 20:50:16,648 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:50:16,648 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:50:16,648 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:50:16,649 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:50:16,649 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:50:16,655 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-11 20:50:16,655 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:50:16,655 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:50:16,656 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:50:16,656 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:50:16,656 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:50:20,785 INFO L510 InvariantChecker]: unknown inductivity: todo good error message [2024-09-11 20:50:20,844 INFO L314 BlockEncoder]: Initial Icfg 9 locations, 8 edges [2024-09-11 20:50:20,846 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:50:20,847 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:50:20,847 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:50:20,847 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:50:20,847 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:50:20,882 INFO L101 BaseMinimizeStates]: Removed 14 edges and 7 locations by large block encoding [2024-09-11 20:50:20,882 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:50:20,883 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:50:20,883 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:50:20,883 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:50:20,883 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:50:24,948 INFO L510 InvariantChecker]: unknown inductivity: todo good error message [2024-09-11 20:50:24,981 INFO L314 BlockEncoder]: Initial Icfg 7 locations, 7 edges [2024-09-11 20:50:24,981 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:50:24,981 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:50:24,981 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:50:24,982 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:50:24,982 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:50:25,018 INFO L101 BaseMinimizeStates]: Removed 12 edges and 5 locations by large block encoding [2024-09-11 20:50:25,019 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:50:25,019 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:50:25,019 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:50:25,019 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:50:25,027 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:50:29,389 INFO L510 InvariantChecker]: unknown inductivity: todo good error message [2024-09-11 20:50:29,480 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 5 edges [2024-09-11 20:50:29,481 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:50:29,481 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:50:29,481 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:50:29,481 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:50:29,481 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:50:29,484 INFO L101 BaseMinimizeStates]: Removed 8 edges and 3 locations by large block encoding [2024-09-11 20:50:29,484 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:50:29,484 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:50:29,484 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:50:29,485 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:50:29,485 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:50:29,487 INFO L514 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-11 20:50:29,499 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-11 20:50:29,499 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:50:29,499 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:50:29,499 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:50:29,499 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:50:29,499 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:50:29,500 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-11 20:50:29,501 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:50:29,501 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:50:29,501 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:50:29,501 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:50:29,501 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:50:29,505 INFO L514 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION is inductive. [2024-09-11 20:50:29,508 INFO L58 RefereeStarter]: Insufficient resources for checking whether annotation is a valid proof of correctness [2024-09-11 20:50:29,508 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@3ba15875 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee CFG 11.09 08:50:29, skipping insertion in model container [2024-09-11 20:50:29,508 INFO L131 PluginConnector]: ------------------------ END Referee---------------------------- [2024-09-11 20:50:29,510 INFO L158 Benchmark]: Toolchain (without parser) took 19591.19ms. Allocated memory was 58.7MB in the beginning and 79.7MB in the end (delta: 21.0MB). Free memory was 29.1MB in the beginning and 31.7MB in the end (delta: -2.6MB). Peak memory consumption was 22.1MB. Max. memory is 16.1GB. [2024-09-11 20:50:29,511 INFO L158 Benchmark]: Witness Parser took 1.10ms. Allocated memory is still 58.7MB. Free memory was 33.4MB in the beginning and 33.3MB in the end (delta: 73.4kB). There was no memory consumed. Max. memory is 16.1GB. [2024-09-11 20:50:29,512 INFO L158 Benchmark]: CDTParser took 0.28ms. Allocated memory is still 58.7MB. Free memory is still 31.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-11 20:50:29,512 INFO L158 Benchmark]: CACSL2BoogieTranslator took 318.89ms. Allocated memory was 58.7MB in the beginning and 79.7MB in the end (delta: 21.0MB). Free memory was 28.9MB in the beginning and 51.8MB in the end (delta: -22.8MB). Peak memory consumption was 6.8MB. Max. memory is 16.1GB. [2024-09-11 20:50:29,513 INFO L158 Benchmark]: Boogie Preprocessor took 50.58ms. Allocated memory is still 79.7MB. Free memory was 51.8MB in the beginning and 49.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-09-11 20:50:29,513 INFO L158 Benchmark]: RCFGBuilder took 6037.90ms. Allocated memory is still 79.7MB. Free memory was 49.7MB in the beginning and 55.1MB in the end (delta: -5.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-09-11 20:50:29,514 INFO L158 Benchmark]: Referee took 13180.20ms. Allocated memory is still 79.7MB. Free memory was 55.1MB in the beginning and 31.7MB in the end (delta: 23.4MB). Peak memory consumption was 27.9MB. Max. memory is 16.1GB. [2024-09-11 20:50:29,516 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 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: * Witness Parser took 1.10ms. Allocated memory is still 58.7MB. Free memory was 33.4MB in the beginning and 33.3MB in the end (delta: 73.4kB). There was no memory consumed. Max. memory is 16.1GB. * CDTParser took 0.28ms. Allocated memory is still 58.7MB. Free memory is still 31.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 318.89ms. Allocated memory was 58.7MB in the beginning and 79.7MB in the end (delta: 21.0MB). Free memory was 28.9MB in the beginning and 51.8MB in the end (delta: -22.8MB). Peak memory consumption was 6.8MB. Max. memory is 16.1GB. * Boogie Preprocessor took 50.58ms. Allocated memory is still 79.7MB. Free memory was 51.8MB in the beginning and 49.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 6037.90ms. Allocated memory is still 79.7MB. Free memory was 49.7MB in the beginning and 55.1MB in the end (delta: -5.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Referee took 13180.20ms. Allocated memory is still 79.7MB. Free memory was 55.1MB in the beginning and 31.7MB in the end (delta: 23.4MB). Peak memory consumption was 27.9MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-09-11 20:50:29,601 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