./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/nla-digbench-scaling/fermat1-ll_valuebound5.c --full-output --witness-type correctness_witness --validate ../results/automizer-verification-files/SV-COMP24_unreach-call/fermat1-ll_valuebound5.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/fermat1-ll_valuebound5.c ../results/automizer-verification-files/SV-COMP24_unreach-call/fermat1-ll_valuebound5.yml/witness-2.1.yml -s /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Default.epf --cacsl2boogietranslator.entry.function main --traceabstraction.positions.where.we.compute.the.hoare.annotation None --- Real Ultimate output --- This is Ultimate 0.2.4-dev-a9b967e-m [2024-09-11 20:49:37,078 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-11 20:49:37,140 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Default.epf [2024-09-11 20:49:37,145 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-11 20:49:37,146 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-11 20:49:37,171 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-11 20:49:37,172 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-11 20:49:37,172 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-11 20:49:37,173 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-11 20:49:37,174 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-11 20:49:37,175 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-11 20:49:37,175 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-11 20:49:37,176 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-11 20:49:37,176 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-11 20:49:37,176 INFO L153 SettingsManager]: * Use SBE=true [2024-09-11 20:49:37,177 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-11 20:49:37,177 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-11 20:49:37,177 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-11 20:49:37,178 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-09-11 20:49:37,178 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-11 20:49:37,178 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-11 20:49:37,182 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-11 20:49:37,182 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-11 20:49:37,183 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-11 20:49:37,183 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-11 20:49:37,183 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-11 20:49:37,183 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-11 20:49:37,184 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-11 20:49:37,184 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-11 20:49:37,184 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-11 20:49:37,184 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-11 20:49:37,184 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-11 20:49:37,185 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-11 20:49:37,185 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-11 20:49:37,185 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-11 20:49:37,185 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-11 20:49:37,186 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-09-11 20:49:37,186 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-09-11 20:49:37,186 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-11 20:49:37,186 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-11 20:49:37,187 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-11 20:49:37,187 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-11 20:49:37,187 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/certificate-witnesses-artifact/referee/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None [2024-09-11 20:49:37,483 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-11 20:49:37,510 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-11 20:49:37,514 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-11 20:49:37,515 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-11 20:49:37,515 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-11 20:49:37,516 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/automizer-verification-files/SV-COMP24_unreach-call/fermat1-ll_valuebound5.yml/witness-2.1.yml [2024-09-11 20:49:37,565 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-11 20:49:37,566 INFO L274 PluginConnector]: CDTParser initialized [2024-09-11 20:49:37,566 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/nla-digbench-scaling/fermat1-ll_valuebound5.c [2024-09-11 20:49:39,001 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-11 20:49:39,205 INFO L384 CDTParser]: Found 1 translation units. [2024-09-11 20:49:39,206 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench-scaling/fermat1-ll_valuebound5.c [2024-09-11 20:49:39,213 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/56f200796/1937d51491de4edbbf7f0aee421c9773/FLAG5f5ab60ff [2024-09-11 20:49:39,225 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/56f200796/1937d51491de4edbbf7f0aee421c9773 [2024-09-11 20:49:39,225 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-11 20:49:39,226 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-09-11 20:49:39,227 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-11 20:49:39,227 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-11 20:49:39,232 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-11 20:49:39,233 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 08:49:37" (1/2) ... [2024-09-11 20:49:39,234 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1b5f6e95 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 11.09 08:49:39, skipping insertion in model container [2024-09-11 20:49:39,234 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 08:49:37" (1/2) ... [2024-09-11 20:49:39,236 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@2de03abf and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 11.09 08:49:39, skipping insertion in model container [2024-09-11 20:49:39,236 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.09 08:49:39" (2/2) ... [2024-09-11 20:49:39,237 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1b5f6e95 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:49:39, skipping insertion in model container [2024-09-11 20:49:39,237 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.09 08:49:39" (2/2) ... [2024-09-11 20:49:39,247 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-11 20:49:39,248 INFO L1541 ArrayList]: Loop invariant at [L48-L54] ((((((long long) A * 4) + ((__int128) r * 4)) + ((__int128) v * v)) + ((__int128) 2 * u)) == (((__int128) 2 * v) + ((__int128) u * u))) [2024-09-11 20:49:39,248 INFO L1541 ArrayList]: Loop invariant at [L35-L55] ((((((long long) A * 4) + ((__int128) r * 4)) + ((__int128) v * v)) + ((__int128) 2 * u)) == (((__int128) 2 * v) + ((__int128) u * u))) [2024-09-11 20:49:39,248 INFO L1541 ArrayList]: Loop invariant at [L40-L46] ((((((long long) A * 4) + ((__int128) r * 4)) + ((__int128) v * v)) + ((__int128) 2 * u)) == (((__int128) 2 * v) + ((__int128) u * u))) [2024-09-11 20:49:39,248 INFO L1541 ArrayList]: Function contract at [L11]: requires (1 <= \old(cond)), ensures (1 <= \old(cond)) [2024-09-11 20:49:39,267 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-11 20:49:39,414 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/fermat1-ll_valuebound5.c[535,548] [2024-09-11 20:49:39,435 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-11 20:49:39,445 INFO L200 MainTranslator]: Completed pre-run Start Parsing Global Start Parsing Global [2024-09-11 20:49:39,489 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/fermat1-ll_valuebound5.c[535,548] Start Parsing Local Start Parsing Local Start Parsing Local [2024-09-11 20:49:39,512 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-11 20:49:39,529 INFO L204 MainTranslator]: Completed translation [2024-09-11 20:49:39,530 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:49:39 WrapperNode [2024-09-11 20:49:39,530 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-11 20:49:39,531 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-11 20:49:39,531 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-11 20:49:39,532 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-11 20:49:39,545 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:49:39" (1/1) ... [2024-09-11 20:49:39,545 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:49:39" (1/1) ... [2024-09-11 20:49:39,552 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:49:39" (1/1) ... [2024-09-11 20:49:39,566 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 20:49:39,566 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:49:39" (1/1) ... [2024-09-11 20:49:39,567 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:49:39" (1/1) ... [2024-09-11 20:49:39,574 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:49:39" (1/1) ... [2024-09-11 20:49:39,584 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:49:39" (1/1) ... [2024-09-11 20:49:39,585 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:49:39" (1/1) ... [2024-09-11 20:49:39,588 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:49:39" (1/1) ... [2024-09-11 20:49:39,594 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-11 20:49:39,595 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-11 20:49:39,595 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-11 20:49:39,595 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-11 20:49:39,596 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:49:39" (1/1) ... [2024-09-11 20:49:39,604 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-11 20:49:39,614 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-09-11 20:49:39,633 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 20:49:39,638 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 20:49:39,687 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-09-11 20:49:39,687 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-11 20:49:39,687 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-09-11 20:49:39,687 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-09-11 20:49:39,688 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-09-11 20:49:39,688 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-09-11 20:49:39,688 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-09-11 20:49:39,688 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-09-11 20:49:39,688 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-09-11 20:49:39,688 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-11 20:49:39,689 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2024-09-11 20:49:39,689 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-09-11 20:49:39,689 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-09-11 20:49:39,689 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-09-11 20:49:39,689 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-09-11 20:49:39,690 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-09-11 20:49:39,690 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-11 20:49:39,690 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-09-11 20:49:39,690 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-09-11 20:49:39,690 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-09-11 20:49:39,748 INFO L242 CfgBuilder]: Building ICFG [2024-09-11 20:49:39,750 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-11 20:49:39,917 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-11 20:49:39,984 INFO L? ?]: Removed 36 outVars from TransFormulas that were not future-live. [2024-09-11 20:49:39,984 INFO L291 CfgBuilder]: Performing block encoding [2024-09-11 20:49:40,011 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-11 20:49:40,011 INFO L318 CfgBuilder]: Removed 3 assume(true) statements. [2024-09-11 20:49:40,012 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.09 08:49:40 BoogieIcfgContainer [2024-09-11 20:49:40,012 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-11 20:49:40,013 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-09-11 20:49:40,013 INFO L270 PluginConnector]: Initializing Referee... [2024-09-11 20:49:40,014 INFO L274 PluginConnector]: Referee initialized [2024-09-11 20:49:40,014 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 08:49:37" (1/4) ... [2024-09-11 20:49:40,014 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@3b33e277 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 11.09 08:49:40, skipping insertion in model container [2024-09-11 20:49:40,014 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 11.09 08:49:39" (2/4) ... [2024-09-11 20:49:40,015 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@3b33e277 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 11.09 08:49:40, skipping insertion in model container [2024-09-11 20:49:40,015 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:49:39" (3/4) ... [2024-09-11 20:49:40,015 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@3b33e277 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 11.09 08:49:40, skipping insertion in model container [2024-09-11 20:49:40,015 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.09 08:49:40" (4/4) ... [2024-09-11 20:49:40,020 INFO L79 RefereeObserver]: Analyzing ICFG fermat1-ll_valuebound5.c [2024-09-11 20:49:40,027 INFO L112 InvariantChecker]: Found 3 loops. [2024-09-11 20:49:40,028 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L48-2 to ERROR_LOC mainErr5REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 3 edges. [2024-09-11 20:49:40,028 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L48-3 to ERROR_LOC mainErr1REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 3 edges. [2024-09-11 20:49:40,028 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 20:49:40,028 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L48-2 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 7 edges. [2024-09-11 20:49:40,029 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L48-3 to LOOP_INVARIANT_ERROR_LOC mainErr2ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 5 edges. [2024-09-11 20:49:40,029 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L40-3 to LOOP_INVARIANT_ERROR_LOC mainErr2ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 5 edges. [2024-09-11 20:49:40,029 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L48-3 to ERROR_LOC mainErr6REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 7 edges. [2024-09-11 20:49:40,029 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L40-3 to LOOP_INVARIANT_ERROR_LOC mainErr4ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 7 edges. [2024-09-11 20:49:40,030 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L48-2 to LOOP_INVARIANT_ERROR_LOC mainErr4ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 5 edges. [2024-09-11 20:49:40,030 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 20:49:40,030 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 20:49:40,030 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L40-3 to ERROR_LOC mainErr3REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 3 edges. [2024-09-11 20:49:40,031 INFO L130 InvariantChecker]: Will check 2 loop-free subgraphs from procedure entry to error location, 4 loop-free subgraphs from loop head to error location, 1 loop-free subgraphs from procedure entry to loop head, 5 loop-free subgraphs from loop head to loop head [2024-09-11 20:49:40,088 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-11 20:49:40,089 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:49:40,090 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:49:40,090 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:49:40,091 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:49:40,093 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:49:40,112 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-11 20:49:40,115 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:49:40,115 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:49:40,115 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:49:40,117 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:49:40,118 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:49:40,132 INFO L514 InvariantChecker]: The annotation(s) from loop head L48-2 to error location mainErr5REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-11 20:49:40,166 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-11 20:49:40,166 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:49:40,166 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:49:40,166 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:49:40,166 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:49:40,166 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:49:40,173 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-11 20:49:40,176 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:49:40,176 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:49:40,178 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:49:40,178 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:49:40,178 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:49:40,180 INFO L514 InvariantChecker]: The annotation(s) from loop head L48-3 to error location mainErr1REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-11 20:49:40,209 INFO L314 BlockEncoder]: Initial Icfg 9 locations, 8 edges [2024-09-11 20:49:40,209 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:49:40,212 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:49:40,213 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:49:40,213 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:49:40,213 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:49:40,240 INFO L101 BaseMinimizeStates]: Removed 14 edges and 7 locations by large block encoding [2024-09-11 20:49:40,241 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:49:40,241 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:49:40,242 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:49:40,242 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:49:40,242 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:49:40,251 INFO L514 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-11 20:49:40,271 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 7 edges [2024-09-11 20:49:40,274 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:49:40,274 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:49:40,274 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:49:40,274 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:49:40,274 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:49:40,285 INFO L101 BaseMinimizeStates]: Removed 12 edges and 4 locations by large block encoding [2024-09-11 20:49:40,285 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:49:40,285 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:49:40,285 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:49:40,286 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:49:40,288 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:49:40,291 INFO L514 InvariantChecker]: The annotation(s) from loop head L48-2 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-11 20:49:40,310 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 5 edges [2024-09-11 20:49:40,312 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:49:40,312 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:49:40,312 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:49:40,312 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:49:40,313 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:49:40,319 INFO L101 BaseMinimizeStates]: Removed 8 edges and 4 locations by large block encoding [2024-09-11 20:49:40,320 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:49:40,320 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:49:40,320 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:49:40,321 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:49:40,321 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:49:40,322 INFO L514 InvariantChecker]: The annotation(s) from loop head L48-3 to loop head mainErr2ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-11 20:49:40,338 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 5 edges [2024-09-11 20:49:40,339 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:49:40,339 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:49:40,339 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:49:40,339 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:49:40,339 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:49:40,347 INFO L101 BaseMinimizeStates]: Removed 8 edges and 4 locations by large block encoding [2024-09-11 20:49:40,347 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:49:40,347 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:49:40,348 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:49:40,348 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:49:40,348 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:49:40,350 INFO L514 InvariantChecker]: The annotation(s) from loop head L40-3 to loop head mainErr2ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-11 20:49:40,365 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 7 edges [2024-09-11 20:49:40,368 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:49:40,368 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:49:40,369 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:49:40,369 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:49:40,369 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:49:40,379 INFO L101 BaseMinimizeStates]: Removed 12 edges and 4 locations by large block encoding [2024-09-11 20:49:40,379 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:49:40,379 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:49:40,380 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:49:40,380 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:49:40,382 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:49:40,386 INFO L514 InvariantChecker]: The annotation(s) from loop head L48-3 to error location mainErr6REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-11 20:49:40,401 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 7 edges [2024-09-11 20:49:40,401 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:49:40,401 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:49:40,402 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:49:40,403 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:49:40,403 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:49:40,411 INFO L101 BaseMinimizeStates]: Removed 12 edges and 4 locations by large block encoding [2024-09-11 20:49:40,413 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:49:40,413 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:49:40,413 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:49:40,413 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:49:40,414 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:49:40,417 INFO L514 InvariantChecker]: The annotation(s) from loop head L40-3 to loop head mainErr4ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-11 20:49:40,431 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 5 edges [2024-09-11 20:49:40,432 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:49:40,432 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:49:40,432 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:49:40,433 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:49:40,433 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:49:40,439 INFO L101 BaseMinimizeStates]: Removed 8 edges and 4 locations by large block encoding [2024-09-11 20:49:40,440 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:49:40,440 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:49:40,440 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:49:40,440 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:49:40,440 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:49:40,441 INFO L514 InvariantChecker]: The annotation(s) from loop head L48-2 to loop head mainErr4ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-11 20:49:40,487 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 5 edges [2024-09-11 20:49:40,487 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:49:40,487 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:49:40,487 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:49:40,487 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:49:40,488 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:49:40,495 INFO L101 BaseMinimizeStates]: Removed 8 edges and 3 locations by large block encoding [2024-09-11 20:49:40,497 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:49:40,498 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:49:40,498 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:49:40,498 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:49:40,499 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:49:40,501 INFO L514 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-11 20:49:40,513 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-11 20:49:40,514 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:49:40,514 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:49:40,514 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:49:40,515 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:49:40,515 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:49:40,516 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-11 20:49:40,516 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:49:40,516 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:49:40,516 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:49:40,517 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:49:40,517 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:49:40,520 INFO L514 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION is inductive. [2024-09-11 20:49:40,533 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-11 20:49:40,533 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:49:40,533 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:49:40,533 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:49:40,533 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:49:40,534 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:49:40,537 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-11 20:49:40,537 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:49:40,537 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:49:40,537 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:49:40,537 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:49:40,538 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:49:40,541 INFO L514 InvariantChecker]: The annotation(s) from loop head L40-3 to error location mainErr3REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-11 20:49:40,544 INFO L58 RefereeStarter]: Annotation is a valid proof of correctness [2024-09-11 20:49:40,546 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@3b33e277 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee CFG 11.09 08:49:40, skipping insertion in model container [2024-09-11 20:49:40,546 INFO L131 PluginConnector]: ------------------------ END Referee---------------------------- [2024-09-11 20:49:40,548 INFO L158 Benchmark]: Toolchain (without parser) took 1320.63ms. Allocated memory is still 165.7MB. Free memory was 129.1MB in the beginning and 127.8MB in the end (delta: 1.2MB). Peak memory consumption was 91.4MB. Max. memory is 16.1GB. [2024-09-11 20:49:40,549 INFO L158 Benchmark]: Witness Parser took 0.16ms. Allocated memory is still 117.4MB. Free memory is still 91.8MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-11 20:49:40,549 INFO L158 Benchmark]: CDTParser took 0.18ms. Allocated memory is still 117.4MB. Free memory is still 89.7MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-11 20:49:40,550 INFO L158 Benchmark]: CACSL2BoogieTranslator took 303.32ms. Allocated memory is still 165.7MB. Free memory was 129.1MB in the beginning and 115.0MB in the end (delta: 14.1MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-09-11 20:49:40,550 INFO L158 Benchmark]: Boogie Preprocessor took 62.73ms. Allocated memory is still 165.7MB. Free memory was 115.0MB in the beginning and 112.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-09-11 20:49:40,551 INFO L158 Benchmark]: RCFGBuilder took 417.49ms. Allocated memory is still 165.7MB. Free memory was 112.9MB in the beginning and 95.5MB in the end (delta: 17.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-09-11 20:49:40,551 INFO L158 Benchmark]: Referee took 533.30ms. Allocated memory is still 165.7MB. Free memory was 95.5MB in the beginning and 127.8MB in the end (delta: -32.3MB). Peak memory consumption was 57.8MB. Max. memory is 16.1GB. [2024-09-11 20:49:40,553 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.referee: - AnnotationCheckResult: Annotation is a valid proof of correctness Annotation is a valid proof of correctness Annotation is valid for all loop-free paths from loop head at line 35 to loop head at line 40. Annotation is valid for all loop-free paths from loop head at line 40 to loop head at line 48. Annotation is valid for all loop-free paths from loop head at line 48 to loop head at line 35. Annotation is valid for all loop-free paths from loop head at line 35 to check that procedure precondition always holds at line 35. Annotation is valid for all loop-free paths from loop head at line 40 to check that procedure precondition always holds at line 41. Annotation is valid for all loop-free paths from loop head at line 48 to check that procedure precondition always holds at line 49. Annotation is valid for all loop-free paths from entry of procedure main to loop head at line 35. Annotation is valid for all loop-free paths from loop head at line 40 to loop head at line 40. Annotation is valid for all loop-free paths from loop head at line 48 to loop head at line 48. Annotation is valid for all loop-free paths from loop head at line 35 to check that procedure precondition always holds at line 36. Annotation is valid for all loop-free paths from entry of procedure __VERIFIER_assert to exit of procedure __VERIFIER_assert. Annotation is valid for all loop-free paths from entry of procedure __VERIFIER_assert to check that a call to reach_error is unreachable at line 13. * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Witness Parser took 0.16ms. Allocated memory is still 117.4MB. Free memory is still 91.8MB. There was no memory consumed. Max. memory is 16.1GB. * CDTParser took 0.18ms. Allocated memory is still 117.4MB. Free memory is still 89.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 303.32ms. Allocated memory is still 165.7MB. Free memory was 129.1MB in the beginning and 115.0MB in the end (delta: 14.1MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Preprocessor took 62.73ms. Allocated memory is still 165.7MB. Free memory was 115.0MB in the beginning and 112.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 417.49ms. Allocated memory is still 165.7MB. Free memory was 112.9MB in the beginning and 95.5MB in the end (delta: 17.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Referee took 533.30ms. Allocated memory is still 165.7MB. Free memory was 95.5MB in the beginning and 127.8MB in the end (delta: -32.3MB). Peak memory consumption was 57.8MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-09-11 20:49:40,586 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/fermat1-ll_valuebound5.c ../results/automizer-verification-files/SV-COMP24_unreach-call/fermat1-ll_valuebound5.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 20:49:42,738 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-11 20:49:42,823 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Bitvector.epf [2024-09-11 20:49:42,829 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-11 20:49:42,830 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-11 20:49:42,863 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-11 20:49:42,864 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-11 20:49:42,865 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-11 20:49:42,865 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-11 20:49:42,866 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-11 20:49:42,867 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-11 20:49:42,867 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-11 20:49:42,868 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-11 20:49:42,868 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-11 20:49:42,872 INFO L153 SettingsManager]: * Use SBE=true [2024-09-11 20:49:42,872 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-11 20:49:42,873 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-11 20:49:42,873 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-11 20:49:42,873 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-11 20:49:42,874 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-11 20:49:42,874 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-11 20:49:42,874 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-11 20:49:42,875 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-11 20:49:42,875 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-09-11 20:49:42,875 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-09-11 20:49:42,875 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-11 20:49:42,876 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-09-11 20:49:42,876 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-11 20:49:42,876 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-11 20:49:42,876 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-11 20:49:42,877 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-11 20:49:42,877 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-11 20:49:42,877 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-11 20:49:42,878 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-11 20:49:42,878 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-11 20:49:42,882 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-11 20:49:42,883 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-11 20:49:42,883 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-11 20:49:42,884 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-09-11 20:49:42,884 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-09-11 20:49:42,884 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-11 20:49:42,885 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-11 20:49:42,885 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-11 20:49:42,885 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-11 20:49:42,885 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2024-09-11 20:49:42,886 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/certificate-witnesses-artifact/referee/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None [2024-09-11 20:49:43,204 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-11 20:49:43,229 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-11 20:49:43,232 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-11 20:49:43,233 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-11 20:49:43,233 INFO L274 PluginConnector]: CDTParser initialized [2024-09-11 20:49:43,234 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/nla-digbench-scaling/fermat1-ll_valuebound5.c [2024-09-11 20:49:44,738 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-11 20:49:44,934 INFO L384 CDTParser]: Found 1 translation units. [2024-09-11 20:49:44,935 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench-scaling/fermat1-ll_valuebound5.c [2024-09-11 20:49:44,942 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/faaefead5/9ea2e4768d864a1b945cf9c6ffbac537/FLAG902fcf484 [2024-09-11 20:49:45,314 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/faaefead5/9ea2e4768d864a1b945cf9c6ffbac537 [2024-09-11 20:49:45,317 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-11 20:49:45,318 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-11 20:49:45,319 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/automizer-verification-files/SV-COMP24_unreach-call/fermat1-ll_valuebound5.yml/witness-2.1.yml [2024-09-11 20:49:45,367 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-11 20:49:45,369 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-09-11 20:49:45,370 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-11 20:49:45,370 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-11 20:49:45,374 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-11 20:49:45,375 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.09 08:49:45" (1/2) ... [2024-09-11 20:49:45,376 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@45467a52 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:49:45, skipping insertion in model container [2024-09-11 20:49:45,376 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.09 08:49:45" (1/2) ... [2024-09-11 20:49:45,378 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@1f291fd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:49:45, skipping insertion in model container [2024-09-11 20:49:45,378 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 08:49:45" (2/2) ... [2024-09-11 20:49:45,378 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@45467a52 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 11.09 08:49:45, skipping insertion in model container [2024-09-11 20:49:45,378 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 08:49:45" (2/2) ... [2024-09-11 20:49:45,391 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-11 20:49:45,392 INFO L1541 ArrayList]: Loop invariant at [L35-L55] ((((((long long) A * 4) + ((__int128) r * 4)) + ((__int128) v * v)) + ((__int128) 2 * u)) == (((__int128) 2 * v) + ((__int128) u * u))) [2024-09-11 20:49:45,392 INFO L1541 ArrayList]: Loop invariant at [L48-L54] ((((((long long) A * 4) + ((__int128) r * 4)) + ((__int128) v * v)) + ((__int128) 2 * u)) == (((__int128) 2 * v) + ((__int128) u * u))) [2024-09-11 20:49:45,392 INFO L1541 ArrayList]: Loop invariant at [L40-L46] ((((((long long) A * 4) + ((__int128) r * 4)) + ((__int128) v * v)) + ((__int128) 2 * u)) == (((__int128) 2 * v) + ((__int128) u * u))) [2024-09-11 20:49:45,392 INFO L1541 ArrayList]: Function contract at [L11]: requires (1 <= \old(cond)), ensures (1 <= \old(cond)) [2024-09-11 20:49:45,414 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-11 20:49:45,578 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/fermat1-ll_valuebound5.c[535,548] [2024-09-11 20:49:45,618 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-11 20:49:45,632 INFO L200 MainTranslator]: Completed pre-run Start Parsing Global Start Parsing Global [2024-09-11 20:49:45,672 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/fermat1-ll_valuebound5.c[535,548] Start Parsing Local Start Parsing Local Start Parsing Local [2024-09-11 20:49:45,702 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-11 20:49:45,722 INFO L204 MainTranslator]: Completed translation [2024-09-11 20:49:45,723 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 11.09 08:49:45 WrapperNode [2024-09-11 20:49:45,723 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-11 20:49:45,725 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-11 20:49:45,725 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-11 20:49:45,726 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-11 20:49:45,739 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 08:49:45" (1/1) ... [2024-09-11 20:49:45,740 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 08:49:45" (1/1) ... [2024-09-11 20:49:45,753 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 08:49:45" (1/1) ... [2024-09-11 20:49:45,766 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 20:49:45,770 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 08:49:45" (1/1) ... [2024-09-11 20:49:45,770 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 08:49:45" (1/1) ... [2024-09-11 20:49:45,782 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 08:49:45" (1/1) ... [2024-09-11 20:49:45,787 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 08:49:45" (1/1) ... [2024-09-11 20:49:45,794 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 08:49:45" (1/1) ... [2024-09-11 20:49:45,795 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 08:49:45" (1/1) ... [2024-09-11 20:49:45,802 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-11 20:49:45,803 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-11 20:49:45,803 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-11 20:49:45,803 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-11 20:49:45,804 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 08:49:45" (1/1) ... [2024-09-11 20:49:45,809 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-11 20:49:45,817 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-09-11 20:49:45,835 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 20:49:45,842 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 20:49:45,890 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-09-11 20:49:45,890 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-11 20:49:45,890 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-09-11 20:49:45,890 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-09-11 20:49:45,890 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-09-11 20:49:45,891 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-09-11 20:49:45,891 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-09-11 20:49:45,891 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-09-11 20:49:45,891 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-09-11 20:49:45,891 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-11 20:49:45,892 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2024-09-11 20:49:45,892 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-09-11 20:49:45,892 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-09-11 20:49:45,892 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-09-11 20:49:45,892 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-09-11 20:49:45,893 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-09-11 20:49:45,893 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-11 20:49:45,893 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2024-09-11 20:49:45,893 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2024-09-11 20:49:45,893 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-09-11 20:49:45,972 INFO L242 CfgBuilder]: Building ICFG [2024-09-11 20:49:45,976 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-11 20:50:01,817 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-11 20:50:01,897 INFO L? ?]: Removed 36 outVars from TransFormulas that were not future-live. [2024-09-11 20:50:01,898 INFO L291 CfgBuilder]: Performing block encoding [2024-09-11 20:50:01,927 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-11 20:50:01,928 INFO L318 CfgBuilder]: Removed 3 assume(true) statements. [2024-09-11 20:50:01,930 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.09 08:50:01 BoogieIcfgContainer [2024-09-11 20:50:01,930 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-11 20:50:01,930 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-09-11 20:50:01,930 INFO L270 PluginConnector]: Initializing Referee... [2024-09-11 20:50:01,931 INFO L274 PluginConnector]: Referee initialized [2024-09-11 20:50:01,932 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 11.09 08:49:45" (1/4) ... [2024-09-11 20:50:01,933 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@54827a19 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 11.09 08:50:01, skipping insertion in model container [2024-09-11 20:50:01,933 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 08:49:45" (2/4) ... [2024-09-11 20:50:01,933 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@54827a19 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 11.09 08:50:01, skipping insertion in model container [2024-09-11 20:50:01,934 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 08:49:45" (3/4) ... [2024-09-11 20:50:01,934 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@54827a19 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 11.09 08:50:01, skipping insertion in model container [2024-09-11 20:50:01,934 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 08:50:01" (4/4) ... [2024-09-11 20:50:01,935 INFO L79 RefereeObserver]: Analyzing ICFG fermat1-ll_valuebound5.c [2024-09-11 20:50:01,939 INFO L112 InvariantChecker]: Found 3 loops. [2024-09-11 20:50:01,939 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L48-2 to ERROR_LOC mainErr5REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 3 edges. [2024-09-11 20:50:01,940 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L48-3 to ERROR_LOC mainErr1REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 3 edges. [2024-09-11 20:50:01,940 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 20:50:01,940 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L48-2 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 7 edges. [2024-09-11 20:50:01,941 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L48-3 to LOOP_INVARIANT_ERROR_LOC mainErr2ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 5 edges. [2024-09-11 20:50:01,941 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L40-3 to LOOP_INVARIANT_ERROR_LOC mainErr2ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 5 edges. [2024-09-11 20:50:01,941 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L48-3 to ERROR_LOC mainErr6REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 7 edges. [2024-09-11 20:50:01,941 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L40-3 to LOOP_INVARIANT_ERROR_LOC mainErr4ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 7 edges. [2024-09-11 20:50:01,942 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L48-2 to LOOP_INVARIANT_ERROR_LOC mainErr4ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 5 edges. [2024-09-11 20:50:01,942 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 20:50:01,942 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 20:50:01,942 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L40-3 to ERROR_LOC mainErr3REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 3 edges. [2024-09-11 20:50:01,942 INFO L130 InvariantChecker]: Will check 5 loop-free subgraphs from loop head to loop head, 4 loop-free subgraphs from loop head to error location, 2 loop-free subgraphs from procedure entry to error location, 1 loop-free subgraphs from procedure entry to loop head [2024-09-11 20:50:01,997 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-11 20:50:01,998 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:50:01,999 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:50:01,999 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:50:02,000 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:50:02,002 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:50:02,016 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-11 20:50:02,017 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:50:02,017 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:50:02,017 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:50:02,018 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:50:02,018 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:50:06,155 INFO L510 InvariantChecker]: unknown inductivity: todo good error message [2024-09-11 20:50:06,255 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-11 20:50:06,255 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:50:06,255 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:50:06,255 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:50:06,255 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:50:06,256 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:50:06,265 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-11 20:50:06,266 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:50:06,266 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:50:06,266 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:50:06,266 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:50:06,267 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:50:10,407 INFO L510 InvariantChecker]: unknown inductivity: todo good error message [2024-09-11 20:50:10,488 INFO L314 BlockEncoder]: Initial Icfg 9 locations, 8 edges [2024-09-11 20:50:10,488 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:50:10,488 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:50:10,488 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:50:10,488 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:50:10,488 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:50:10,502 INFO L101 BaseMinimizeStates]: Removed 14 edges and 7 locations by large block encoding [2024-09-11 20:50:10,503 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:50:10,503 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:50:10,503 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:50:10,503 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:50:10,503 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:50:14,559 INFO L510 InvariantChecker]: unknown inductivity: todo good error message [2024-09-11 20:50:14,597 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 7 edges [2024-09-11 20:50:14,597 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:50:14,597 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:50:14,598 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:50:14,598 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:50:14,598 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:50:14,615 INFO L101 BaseMinimizeStates]: Removed 12 edges and 4 locations by large block encoding [2024-09-11 20:50:14,615 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:50:14,615 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:50:14,616 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:50:14,616 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:50:14,620 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:50:14,622 INFO L514 InvariantChecker]: The annotation(s) from loop head L48-2 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-11 20:50:14,641 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 5 edges [2024-09-11 20:50:14,641 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:50:14,641 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:50:14,642 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:50:14,642 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:50:14,642 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:50:14,656 INFO L101 BaseMinimizeStates]: Removed 8 edges and 4 locations by large block encoding [2024-09-11 20:50:14,657 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:50:14,657 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:50:14,657 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:50:14,657 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:50:14,658 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:50:14,660 INFO L514 InvariantChecker]: The annotation(s) from loop head L48-3 to loop head mainErr2ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-11 20:50:14,675 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 5 edges [2024-09-11 20:50:14,675 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:50:14,676 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:50:14,676 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:50:14,676 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:50:14,676 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:50:14,689 INFO L101 BaseMinimizeStates]: Removed 8 edges and 4 locations by large block encoding [2024-09-11 20:50:14,689 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:50:14,690 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:50:14,691 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:50:14,691 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:50:14,691 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:50:18,939 INFO L510 InvariantChecker]: unknown inductivity: todo good error message [2024-09-11 20:50:19,023 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 7 edges [2024-09-11 20:50:19,023 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:50:19,023 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:50:19,023 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:50:19,023 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:50:19,023 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:50:19,033 INFO L101 BaseMinimizeStates]: Removed 12 edges and 4 locations by large block encoding [2024-09-11 20:50:19,033 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:50:19,033 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:50:19,034 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:50:19,034 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:50:19,037 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:50:19,191 INFO L514 InvariantChecker]: The annotation(s) from loop head L48-3 to error location mainErr6REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-11 20:50:19,244 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 7 edges [2024-09-11 20:50:19,244 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:50:19,244 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:50:19,244 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:50:19,244 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:50:19,245 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:50:19,252 INFO L101 BaseMinimizeStates]: Removed 12 edges and 4 locations by large block encoding [2024-09-11 20:50:19,253 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:50:19,253 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:50:19,253 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:50:19,253 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:50:19,254 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:50:19,255 INFO L514 InvariantChecker]: The annotation(s) from loop head L40-3 to loop head mainErr4ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-11 20:50:19,266 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 5 edges [2024-09-11 20:50:19,267 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:50:19,267 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:50:19,267 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:50:19,267 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:50:19,267 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:50:19,276 INFO L101 BaseMinimizeStates]: Removed 8 edges and 4 locations by large block encoding [2024-09-11 20:50:19,277 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:50:19,277 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:50:19,277 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:50:19,277 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:50:19,277 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:50:23,484 INFO L510 InvariantChecker]: unknown inductivity: todo good error message [2024-09-11 20:50:23,565 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 5 edges [2024-09-11 20:50:23,565 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:50:23,565 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:50:23,565 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:50:23,565 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:50:23,565 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:50:23,567 INFO L101 BaseMinimizeStates]: Removed 8 edges and 3 locations by large block encoding [2024-09-11 20:50:23,567 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:50:23,568 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:50:23,568 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:50:23,568 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:50:23,568 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:50:23,570 INFO L514 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-11 20:50:23,582 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-11 20:50:23,583 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:50:23,583 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:50:23,583 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:50:23,583 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:50:23,583 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:50:23,584 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-11 20:50:23,585 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:50:23,585 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:50:23,585 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:50:23,585 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:50:23,585 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:50:23,587 INFO L514 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION is inductive. [2024-09-11 20:50:23,607 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-11 20:50:23,607 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:50:23,607 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:50:23,608 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:50:23,608 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:50:23,608 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:50:23,611 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-11 20:50:23,611 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:50:23,612 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:50:23,612 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:50:23,612 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:50:23,612 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:50:27,781 INFO L510 InvariantChecker]: unknown inductivity: todo good error message [2024-09-11 20:50:27,830 INFO L58 RefereeStarter]: Insufficient resources for checking whether annotation is a valid proof of correctness [2024-09-11 20:50:27,830 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@54827a19 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CFG 11.09 08:50:27, skipping insertion in model container [2024-09-11 20:50:27,830 INFO L131 PluginConnector]: ------------------------ END Referee---------------------------- [2024-09-11 20:50:27,832 INFO L158 Benchmark]: Toolchain (without parser) took 42462.52ms. Allocated memory is still 79.7MB. Free memory was 56.1MB in the beginning and 52.5MB in the end (delta: 3.6MB). Peak memory consumption was 34.7MB. Max. memory is 16.1GB. [2024-09-11 20:50:27,833 INFO L158 Benchmark]: CDTParser took 0.13ms. Allocated memory is still 52.4MB. Free memory is still 29.5MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-11 20:50:27,833 INFO L158 Benchmark]: Witness Parser took 0.13ms. Allocated memory is still 79.7MB. Free memory is still 58.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-11 20:50:27,834 INFO L158 Benchmark]: CACSL2BoogieTranslator took 354.11ms. Allocated memory is still 79.7MB. Free memory was 56.1MB in the beginning and 41.2MB in the end (delta: 14.9MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-09-11 20:50:27,834 INFO L158 Benchmark]: Boogie Preprocessor took 77.06ms. Allocated memory is still 79.7MB. Free memory was 41.2MB in the beginning and 38.7MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-09-11 20:50:27,834 INFO L158 Benchmark]: RCFGBuilder took 16127.14ms. Allocated memory is still 79.7MB. Free memory was 38.7MB in the beginning and 45.1MB in the end (delta: -6.4MB). Peak memory consumption was 13.0MB. Max. memory is 16.1GB. [2024-09-11 20:50:27,835 INFO L158 Benchmark]: Referee took 25900.07ms. Allocated memory is still 79.7MB. Free memory was 45.1MB in the beginning and 52.5MB in the end (delta: -7.5MB). Peak memory consumption was 23.8MB. Max. memory is 16.1GB. [2024-09-11 20:50:27,837 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 48 to check that procedure precondition always holds at line 49. Insufficient resources for checking whether annotation is valid for all loop-free paths from loop head at line 48 to loop head at line 48. Insufficient resources for checking whether annotation is valid for all loop-free paths from loop head at line 40 to check that procedure precondition always holds at line 41. Insufficient resources for checking whether annotation is valid for all loop-free paths from entry of procedure main to loop head at line 35. Insufficient resources for checking whether annotation is valid for all loop-free paths from loop head at line 40 to loop head at line 40. 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. 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 loop head at line 40. Annotation is valid for all loop-free paths from loop head at line 40 to loop head at line 48. Annotation is valid for all loop-free paths from loop head at line 48 to loop head at line 35. Annotation is valid for all loop-free paths from entry of procedure __VERIFIER_assert to exit of procedure __VERIFIER_assert. Annotation is valid for all loop-free paths from loop head at line 35 to check that procedure precondition always holds at line 35. * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13ms. Allocated memory is still 52.4MB. Free memory is still 29.5MB. There was no memory consumed. Max. memory is 16.1GB. * Witness Parser took 0.13ms. Allocated memory is still 79.7MB. Free memory is still 58.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 354.11ms. Allocated memory is still 79.7MB. Free memory was 56.1MB in the beginning and 41.2MB in the end (delta: 14.9MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Preprocessor took 77.06ms. Allocated memory is still 79.7MB. Free memory was 41.2MB in the beginning and 38.7MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 16127.14ms. Allocated memory is still 79.7MB. Free memory was 38.7MB in the beginning and 45.1MB in the end (delta: -6.4MB). Peak memory consumption was 13.0MB. Max. memory is 16.1GB. * Referee took 25900.07ms. Allocated memory is still 79.7MB. Free memory was 45.1MB in the beginning and 52.5MB in the end (delta: -7.5MB). Peak memory consumption was 23.8MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-09-11 20:50:27,917 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