./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/nla-digbench-scaling/fermat2-ll_valuebound50.c --full-output --witness-type correctness_witness --validate ../results/automizer-verification-files/SV-COMP24_unreach-call/fermat2-ll_valuebound50.yml/witness-2.1.yml --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 6908dde5 Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/bin/java -Dosgi.configuration.area=/storage/repos/certificate-witnesses-artifact/referee/data/config -Xmx15G -Xms4m -jar /storage/repos/certificate-witnesses-artifact/referee/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/certificate-witnesses-artifact/referee/data -tc /storage/repos/certificate-witnesses-artifact/referee/config/RefereeReachWitnessValidation.xml -i ../sv-benchmarks/c/nla-digbench-scaling/fermat2-ll_valuebound50.c ../results/automizer-verification-files/SV-COMP24_unreach-call/fermat2-ll_valuebound50.yml/witness-2.1.yml -s /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Default.epf --cacsl2boogietranslator.entry.function main --traceabstraction.positions.where.we.compute.the.hoare.annotation None --- Real Ultimate output --- This is Ultimate 0.2.4-tmp.dk.referee-eval-6908dde-m [2024-09-25 00:29:05,894 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-25 00:29:05,952 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Default.epf [2024-09-25 00:29:05,957 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-25 00:29:05,957 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-25 00:29:05,982 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-25 00:29:05,983 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-25 00:29:05,984 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-25 00:29:05,985 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-25 00:29:05,985 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-25 00:29:05,986 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-25 00:29:05,986 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-25 00:29:05,986 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-25 00:29:05,988 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-25 00:29:05,988 INFO L153 SettingsManager]: * Use SBE=true [2024-09-25 00:29:05,989 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-25 00:29:05,989 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-25 00:29:05,989 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-25 00:29:05,989 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-09-25 00:29:05,990 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-25 00:29:05,990 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-25 00:29:05,990 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-25 00:29:05,993 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-25 00:29:05,993 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-25 00:29:05,993 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-25 00:29:05,994 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-25 00:29:05,994 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-25 00:29:05,994 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-25 00:29:05,994 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-25 00:29:05,994 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-25 00:29:05,995 INFO L153 SettingsManager]: * Future-live optimization=false [2024-09-25 00:29:05,995 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-25 00:29:05,995 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-25 00:29:05,995 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-25 00:29:05,995 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-25 00:29:05,996 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-25 00:29:05,996 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-25 00:29:05,996 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-09-25 00:29:05,996 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-09-25 00:29:05,996 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-25 00:29:05,996 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-25 00:29:05,997 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-25 00:29:05,997 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-25 00:29:05,998 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None [2024-09-25 00:29:06,198 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-25 00:29:06,240 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-25 00:29:06,250 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-25 00:29:06,251 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-25 00:29:06,256 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-25 00:29:06,257 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/automizer-verification-files/SV-COMP24_unreach-call/fermat2-ll_valuebound50.yml/witness-2.1.yml [2024-09-25 00:29:06,344 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-25 00:29:06,344 INFO L274 PluginConnector]: CDTParser initialized [2024-09-25 00:29:06,345 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/nla-digbench-scaling/fermat2-ll_valuebound50.c [2024-09-25 00:29:07,921 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-25 00:29:08,126 INFO L384 CDTParser]: Found 1 translation units. [2024-09-25 00:29:08,127 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench-scaling/fermat2-ll_valuebound50.c [2024-09-25 00:29:08,137 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/3283bb041/1c069eaa02e946e89282706a929bba73/FLAGf43bda548 [2024-09-25 00:29:08,519 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/3283bb041/1c069eaa02e946e89282706a929bba73 [2024-09-25 00:29:08,520 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-25 00:29:08,525 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-09-25 00:29:08,527 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-25 00:29:08,527 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-25 00:29:08,532 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-25 00:29:08,532 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 25.09 12:29:06" (1/2) ... [2024-09-25 00:29:08,534 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@26d94378 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 25.09 12:29:08, skipping insertion in model container [2024-09-25 00:29:08,534 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 25.09 12:29:06" (1/2) ... [2024-09-25 00:29:08,535 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@5065f187 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 25.09 12:29:08, skipping insertion in model container [2024-09-25 00:29:08,535 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 12:29:08" (2/2) ... [2024-09-25 00:29:08,536 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@26d94378 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:29:08, skipping insertion in model container [2024-09-25 00:29:08,536 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 12:29:08" (2/2) ... [2024-09-25 00:29:08,543 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-25 00:29:08,543 INFO L1541 ArrayList]: Loop invariant at [L35-L46] ((((__int128) v * 2) + ((__int128) u * u)) == (((((__int128) v * v) + ((__int128) u * 2)) + ((long long) A * 4)) + ((__int128) r * 4))) [2024-09-25 00:29:08,544 INFO L1541 ArrayList]: Function contract at [L11]: requires (1 <= cond), ensures (1 <= cond) [2024-09-25 00:29:08,567 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-25 00:29:08,728 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench-scaling/fermat2-ll_valuebound50.c[524,537] [2024-09-25 00:29:08,747 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-25 00:29:08,756 INFO L200 MainTranslator]: Completed pre-run Start Parsing Global Start Parsing Global [2024-09-25 00:29:08,819 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench-scaling/fermat2-ll_valuebound50.c[524,537] Start Parsing Local [2024-09-25 00:29:08,831 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-25 00:29:08,845 INFO L204 MainTranslator]: Completed translation [2024-09-25 00:29:08,846 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:29:08 WrapperNode [2024-09-25 00:29:08,846 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-25 00:29:08,847 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-25 00:29:08,847 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-25 00:29:08,847 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-25 00:29:08,858 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:29:08" (1/1) ... [2024-09-25 00:29:08,858 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:29:08" (1/1) ... [2024-09-25 00:29:08,864 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:29:08" (1/1) ... [2024-09-25 00:29:08,872 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 [2024-09-25 00:29:08,873 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:29:08" (1/1) ... [2024-09-25 00:29:08,873 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:29:08" (1/1) ... [2024-09-25 00:29:08,875 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:29:08" (1/1) ... [2024-09-25 00:29:08,878 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:29:08" (1/1) ... [2024-09-25 00:29:08,879 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:29:08" (1/1) ... [2024-09-25 00:29:08,880 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:29:08" (1/1) ... [2024-09-25 00:29:08,881 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-25 00:29:08,882 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-25 00:29:08,882 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-25 00:29:08,882 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-25 00:29:08,883 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:29:08" (1/1) ... [2024-09-25 00:29:08,893 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-25 00:29:08,901 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-09-25 00:29:08,916 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) [2024-09-25 00:29:08,918 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 [2024-09-25 00:29:08,959 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-09-25 00:29:08,960 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-25 00:29:08,960 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-09-25 00:29:08,960 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-09-25 00:29:08,960 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-09-25 00:29:08,960 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-09-25 00:29:08,961 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-09-25 00:29:08,961 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-09-25 00:29:08,961 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-09-25 00:29:08,961 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-25 00:29:08,961 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2024-09-25 00:29:08,961 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-09-25 00:29:08,962 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-09-25 00:29:08,962 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-09-25 00:29:08,962 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-09-25 00:29:08,962 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-09-25 00:29:08,962 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-25 00:29:08,962 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-09-25 00:29:08,962 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-09-25 00:29:08,963 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-09-25 00:29:09,028 INFO L241 CfgBuilder]: Building ICFG [2024-09-25 00:29:09,032 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-25 00:29:09,162 WARN L782 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-25 00:29:09,179 INFO L290 CfgBuilder]: Performing block encoding [2024-09-25 00:29:09,204 INFO L312 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-25 00:29:09,205 INFO L317 CfgBuilder]: Removed 1 assume(true) statements. [2024-09-25 00:29:09,205 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 12:29:09 BoogieIcfgContainer [2024-09-25 00:29:09,205 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-25 00:29:09,206 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-09-25 00:29:09,206 INFO L270 PluginConnector]: Initializing Referee... [2024-09-25 00:29:09,207 INFO L274 PluginConnector]: Referee initialized [2024-09-25 00:29:09,207 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 25.09 12:29:06" (1/4) ... [2024-09-25 00:29:09,208 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@2fcd20fa and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 25.09 12:29:09, skipping insertion in model container [2024-09-25 00:29:09,208 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 25.09 12:29:08" (2/4) ... [2024-09-25 00:29:09,208 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@2fcd20fa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 25.09 12:29:09, skipping insertion in model container [2024-09-25 00:29:09,208 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:29:08" (3/4) ... [2024-09-25 00:29:09,208 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@2fcd20fa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 25.09 12:29:09, skipping insertion in model container [2024-09-25 00:29:09,209 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 12:29:09" (4/4) ... [2024-09-25 00:29:09,210 INFO L79 RefereeObserver]: Analyzing ICFG fermat2-ll_valuebound50.c [2024-09-25 00:29:09,214 INFO L113 InvariantChecker]: Found 1 loops. [2024-09-25 00:29:09,215 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L39-2 to ERROR_LOC mainErr2REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 7 edges. [2024-09-25 00:29:09,215 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L39-2 to ERROR_LOC mainErr1REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 3 edges. [2024-09-25 00:29:09,215 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 8 edges. [2024-09-25 00:29:09,215 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L39-2 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 7 edges. [2024-09-25 00:29:09,216 INFO L373 InvariantChecker]: Will check inductivity from ENTRY __VERIFIER_assertENTRY to ERROR_LOC __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 5 edges. [2024-09-25 00:29:09,216 INFO L373 InvariantChecker]: Will check inductivity from ENTRY __VERIFIER_assertENTRY to ERROR_LOC __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 3 edges. [2024-09-25 00:29:09,216 INFO L131 InvariantChecker]: Will check 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 loop head to loop head, 1 loop-free subgraphs from procedure entry to loop head [2024-09-25 00:29:09,268 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 7 edges [2024-09-25 00:29:09,269 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 00:29:09,269 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 00:29:09,270 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 00:29:09,278 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 00:29:09,280 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:29:09,319 INFO L101 BaseMinimizeStates]: Removed 12 edges and 4 locations by large block encoding [2024-09-25 00:29:09,321 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:29:09,321 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 00:29:09,321 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 00:29:09,326 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 00:29:09,335 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 00:29:09,355 INFO L520 InvariantChecker]: The annotation(s) from loop head L39-2 to error location mainErr2REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-25 00:29:09,376 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-25 00:29:09,377 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 00:29:09,377 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 00:29:09,377 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 00:29:09,377 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 00:29:09,378 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:29:09,382 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-25 00:29:09,382 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:29:09,383 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 00:29:09,383 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 00:29:09,383 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 00:29:09,383 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 00:29:09,385 INFO L520 InvariantChecker]: The annotation(s) from loop head L39-2 to error location mainErr1REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-25 00:29:09,403 INFO L314 BlockEncoder]: Initial Icfg 9 locations, 8 edges [2024-09-25 00:29:09,405 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 00:29:09,405 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 00:29:09,405 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 00:29:09,405 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 00:29:09,405 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:29:09,426 INFO L101 BaseMinimizeStates]: Removed 14 edges and 7 locations by large block encoding [2024-09-25 00:29:09,426 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:29:09,427 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 00:29:09,427 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 00:29:09,427 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 00:29:09,427 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 00:29:09,438 INFO L520 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-25 00:29:09,459 INFO L314 BlockEncoder]: Initial Icfg 7 locations, 7 edges [2024-09-25 00:29:09,463 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 00:29:09,463 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 00:29:09,464 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 00:29:09,464 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 00:29:09,464 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:29:09,482 INFO L101 BaseMinimizeStates]: Removed 12 edges and 5 locations by large block encoding [2024-09-25 00:29:09,482 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:29:09,483 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 00:29:09,483 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 00:29:09,483 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 00:29:09,487 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 00:29:09,492 INFO L520 InvariantChecker]: The annotation(s) from loop head L39-2 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-25 00:29:09,510 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 5 edges [2024-09-25 00:29:09,510 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 00:29:09,510 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 00:29:09,510 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 00:29:09,511 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 00:29:09,511 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:29:09,517 INFO L101 BaseMinimizeStates]: Removed 8 edges and 3 locations by large block encoding [2024-09-25 00:29:09,518 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:29:09,518 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 00:29:09,518 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 00:29:09,519 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 00:29:09,520 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 00:29:09,523 INFO L520 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-25 00:29:09,531 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-25 00:29:09,532 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 00:29:09,533 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 00:29:09,533 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 00:29:09,533 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 00:29:09,533 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:29:09,534 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-25 00:29:09,534 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:29:09,534 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 00:29:09,534 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 00:29:09,534 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 00:29:09,535 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 00:29:09,538 INFO L520 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION is inductive. [2024-09-25 00:29:09,541 INFO L58 RefereeStarter]: Annotation is a valid proof of correctness. [2024-09-25 00:29:09,544 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@2fcd20fa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee CFG 25.09 12:29:09, skipping insertion in model container [2024-09-25 00:29:09,545 INFO L131 PluginConnector]: ------------------------ END Referee---------------------------- [2024-09-25 00:29:09,546 INFO L158 Benchmark]: Toolchain (without parser) took 1024.70ms. Allocated memory is still 184.5MB. Free memory was 112.4MB in the beginning and 112.6MB in the end (delta: -222.2kB). Peak memory consumption was 1.8MB. Max. memory is 16.1GB. [2024-09-25 00:29:09,547 INFO L158 Benchmark]: Witness Parser took 0.23ms. Allocated memory is still 184.5MB. Free memory is still 144.1MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-25 00:29:09,548 INFO L158 Benchmark]: CDTParser took 0.11ms. Allocated memory is still 184.5MB. Free memory is still 158.5MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-25 00:29:09,549 INFO L158 Benchmark]: CACSL2BoogieTranslator took 319.35ms. Allocated memory is still 184.5MB. Free memory was 112.2MB in the beginning and 154.5MB in the end (delta: -42.4MB). Peak memory consumption was 16.5MB. Max. memory is 16.1GB. [2024-09-25 00:29:09,550 INFO L158 Benchmark]: Boogie Preprocessor took 34.93ms. Allocated memory is still 184.5MB. Free memory was 154.5MB in the beginning and 152.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-09-25 00:29:09,551 INFO L158 Benchmark]: RCFGBuilder took 323.09ms. Allocated memory is still 184.5MB. Free memory was 152.4MB in the beginning and 138.7MB in the end (delta: 13.8MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-09-25 00:29:09,552 INFO L158 Benchmark]: Referee took 338.80ms. Allocated memory is still 184.5MB. Free memory was 138.7MB in the beginning and 112.6MB in the end (delta: 26.1MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-09-25 00:29:09,555 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 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 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 36. 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 loop head at line 35 to check that procedure precondition always holds at line 35. * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Witness Parser took 0.23ms. Allocated memory is still 184.5MB. Free memory is still 144.1MB. There was no memory consumed. Max. memory is 16.1GB. * CDTParser took 0.11ms. Allocated memory is still 184.5MB. Free memory is still 158.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 319.35ms. Allocated memory is still 184.5MB. Free memory was 112.2MB in the beginning and 154.5MB in the end (delta: -42.4MB). Peak memory consumption was 16.5MB. Max. memory is 16.1GB. * Boogie Preprocessor took 34.93ms. Allocated memory is still 184.5MB. Free memory was 154.5MB in the beginning and 152.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 323.09ms. Allocated memory is still 184.5MB. Free memory was 152.4MB in the beginning and 138.7MB in the end (delta: 13.8MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Referee took 338.80ms. Allocated memory is still 184.5MB. Free memory was 138.7MB in the beginning and 112.6MB in the end (delta: 26.1MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2024-09-25 00:29:09,587 INFO L552 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/referee/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE