./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/nla-digbench-scaling/fermat1-ll_valuebound10.c --full-output --witness-type correctness_witness --validate ../results/automizer-verification-files/SV-COMP24_unreach-call/fermat1-ll_valuebound10.yml/witness-2.1.yml --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version a9b967e5 Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/certificate-witnesses-artifact/referee/data/config -Xmx15G -Xms4m -jar /storage/repos/certificate-witnesses-artifact/referee/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/certificate-witnesses-artifact/referee/data -tc /storage/repos/certificate-witnesses-artifact/referee/config/RefereeReachWitnessValidation.xml -i ../sv-benchmarks/c/nla-digbench-scaling/fermat1-ll_valuebound10.c ../results/automizer-verification-files/SV-COMP24_unreach-call/fermat1-ll_valuebound10.yml/witness-2.1.yml -s /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Default.epf --cacsl2boogietranslator.entry.function main --traceabstraction.positions.where.we.compute.the.hoare.annotation None --- Real Ultimate output --- This is Ultimate 0.2.4-dev-a9b967e-m [2024-09-11 20:49:29,179 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-11 20:49:29,219 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Default.epf [2024-09-11 20:49:29,222 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-11 20:49:29,222 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-11 20:49:29,237 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-11 20:49:29,238 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-11 20:49:29,238 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-11 20:49:29,238 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-11 20:49:29,239 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-11 20:49:29,239 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-11 20:49:29,239 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-11 20:49:29,240 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-11 20:49:29,240 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-11 20:49:29,240 INFO L153 SettingsManager]: * Use SBE=true [2024-09-11 20:49:29,241 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-11 20:49:29,241 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-11 20:49:29,241 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-11 20:49:29,242 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-09-11 20:49:29,242 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-11 20:49:29,242 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-11 20:49:29,243 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-11 20:49:29,243 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-11 20:49:29,243 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-11 20:49:29,243 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-11 20:49:29,244 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-11 20:49:29,244 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-11 20:49:29,244 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-11 20:49:29,244 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-11 20:49:29,245 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-11 20:49:29,245 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-11 20:49:29,245 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-11 20:49:29,245 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-11 20:49:29,246 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-11 20:49:29,246 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-11 20:49:29,246 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-11 20:49:29,246 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-09-11 20:49:29,246 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-09-11 20:49:29,246 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-11 20:49:29,247 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-11 20:49:29,247 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-11 20:49:29,247 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-11 20:49:29,247 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None [2024-09-11 20:49:29,430 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-11 20:49:29,450 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-11 20:49:29,452 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-11 20:49:29,453 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-11 20:49:29,454 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-11 20:49:29,455 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/automizer-verification-files/SV-COMP24_unreach-call/fermat1-ll_valuebound10.yml/witness-2.1.yml [2024-09-11 20:49:29,529 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-11 20:49:29,529 INFO L274 PluginConnector]: CDTParser initialized [2024-09-11 20:49:29,529 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/nla-digbench-scaling/fermat1-ll_valuebound10.c [2024-09-11 20:49:30,831 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-11 20:49:30,996 INFO L384 CDTParser]: Found 1 translation units. [2024-09-11 20:49:30,997 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench-scaling/fermat1-ll_valuebound10.c [2024-09-11 20:49:31,003 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/4c6156cfb/d9bb45adb532407d9cdb45f2b6960231/FLAGc371a6f4f [2024-09-11 20:49:31,396 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/4c6156cfb/d9bb45adb532407d9cdb45f2b6960231 [2024-09-11 20:49:31,397 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-11 20:49:31,398 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-09-11 20:49:31,399 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-11 20:49:31,400 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-11 20:49:31,404 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-11 20:49:31,404 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 08:49:29" (1/2) ... [2024-09-11 20:49:31,405 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@69c23746 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 11.09 08:49:31, skipping insertion in model container [2024-09-11 20:49:31,405 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 08:49:29" (1/2) ... [2024-09-11 20:49:31,407 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@7470fc20 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 11.09 08:49:31, skipping insertion in model container [2024-09-11 20:49:31,407 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.09 08:49:31" (2/2) ... [2024-09-11 20:49:31,408 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@69c23746 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:49:31, skipping insertion in model container [2024-09-11 20:49:31,408 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.09 08:49:31" (2/2) ... [2024-09-11 20:49:31,418 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-11 20:49:31,419 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 20:49:31,419 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 20:49:31,419 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 20:49:31,419 INFO L1541 ArrayList]: Function contract at [L11]: requires (1 <= \old(cond)), ensures (1 <= \old(cond)) [2024-09-11 20:49:31,434 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-11 20:49:31,552 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_valuebound10.c[535,548] [2024-09-11 20:49:31,574 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-11 20:49:31,582 INFO L200 MainTranslator]: Completed pre-run Start Parsing Global Start Parsing Global [2024-09-11 20:49:31,612 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_valuebound10.c[535,548] Start Parsing Local Start Parsing Local Start Parsing Local [2024-09-11 20:49:31,623 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-11 20:49:31,638 INFO L204 MainTranslator]: Completed translation [2024-09-11 20:49:31,639 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:49:31 WrapperNode [2024-09-11 20:49:31,639 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-11 20:49:31,640 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-11 20:49:31,640 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-11 20:49:31,640 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-11 20:49:31,650 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:49:31" (1/1) ... [2024-09-11 20:49:31,650 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:49:31" (1/1) ... [2024-09-11 20:49:31,656 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:49:31" (1/1) ... [2024-09-11 20:49:31,669 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 20:49:31,669 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:49:31" (1/1) ... [2024-09-11 20:49:31,669 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:49:31" (1/1) ... [2024-09-11 20:49:31,674 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:49:31" (1/1) ... [2024-09-11 20:49:31,682 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:49:31" (1/1) ... [2024-09-11 20:49:31,683 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:49:31" (1/1) ... [2024-09-11 20:49:31,685 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:49:31" (1/1) ... [2024-09-11 20:49:31,687 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-11 20:49:31,691 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-11 20:49:31,691 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-11 20:49:31,691 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-11 20:49:31,692 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:49:31" (1/1) ... [2024-09-11 20:49:31,718 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-11 20:49:31,735 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-09-11 20:49:31,773 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 20:49:31,783 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 20:49:31,833 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-09-11 20:49:31,833 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-11 20:49:31,833 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-09-11 20:49:31,833 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-09-11 20:49:31,834 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-09-11 20:49:31,835 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-09-11 20:49:31,835 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-09-11 20:49:31,835 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-09-11 20:49:31,835 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-09-11 20:49:31,835 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-11 20:49:31,836 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2024-09-11 20:49:31,836 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-09-11 20:49:31,836 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-09-11 20:49:31,836 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-09-11 20:49:31,836 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-09-11 20:49:31,836 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-09-11 20:49:31,836 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-11 20:49:31,836 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-09-11 20:49:31,837 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-09-11 20:49:31,837 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-09-11 20:49:31,896 INFO L242 CfgBuilder]: Building ICFG [2024-09-11 20:49:31,900 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-11 20:49:32,105 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-11 20:49:32,151 INFO L? ?]: Removed 36 outVars from TransFormulas that were not future-live. [2024-09-11 20:49:32,152 INFO L291 CfgBuilder]: Performing block encoding [2024-09-11 20:49:32,174 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-11 20:49:32,175 INFO L318 CfgBuilder]: Removed 3 assume(true) statements. [2024-09-11 20:49:32,175 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.09 08:49:32 BoogieIcfgContainer [2024-09-11 20:49:32,175 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-11 20:49:32,177 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-09-11 20:49:32,177 INFO L270 PluginConnector]: Initializing Referee... [2024-09-11 20:49:32,177 INFO L274 PluginConnector]: Referee initialized [2024-09-11 20:49:32,178 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 08:49:29" (1/4) ... [2024-09-11 20:49:32,179 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@376d40a4 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 11.09 08:49:32, skipping insertion in model container [2024-09-11 20:49:32,179 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 11.09 08:49:31" (2/4) ... [2024-09-11 20:49:32,179 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@376d40a4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 11.09 08:49:32, skipping insertion in model container [2024-09-11 20:49:32,179 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:49:31" (3/4) ... [2024-09-11 20:49:32,180 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@376d40a4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 11.09 08:49:32, skipping insertion in model container [2024-09-11 20:49:32,180 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.09 08:49:32" (4/4) ... [2024-09-11 20:49:32,181 INFO L79 RefereeObserver]: Analyzing ICFG fermat1-ll_valuebound10.c [2024-09-11 20:49:32,185 INFO L112 InvariantChecker]: Found 3 loops. [2024-09-11 20:49:32,186 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 20:49:32,186 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 20:49:32,186 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 20:49:32,187 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 20:49:32,187 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 20:49:32,187 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 20:49:32,187 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 20:49:32,187 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 20:49:32,187 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 20:49:32,187 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 20:49:32,187 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 20:49:32,187 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 20:49:32,188 INFO L130 InvariantChecker]: Will check 4 loop-free subgraphs from loop head to error location, 2 loop-free subgraphs from procedure entry to error location, 5 loop-free subgraphs from loop head to loop head, 1 loop-free subgraphs from procedure entry to loop head [2024-09-11 20:49:32,236 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-11 20:49:32,237 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:49:32,238 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:49:32,238 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:49:32,239 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:49:32,240 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:49:32,252 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-11 20:49:32,254 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:49:32,255 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:49:32,255 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:49:32,255 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:49:32,256 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:49:32,272 INFO L514 InvariantChecker]: The annotation(s) from loop head L48-2 to error location mainErr5REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-11 20:49:32,288 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-11 20:49:32,289 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:49:32,289 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:49:32,289 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:49:32,289 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:49:32,289 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:49:32,292 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-11 20:49:32,292 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:49:32,295 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:49:32,296 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:49:32,296 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:49:32,296 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:49:32,298 INFO L514 InvariantChecker]: The annotation(s) from loop head L48-3 to error location mainErr1REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-11 20:49:32,309 INFO L314 BlockEncoder]: Initial Icfg 9 locations, 8 edges [2024-09-11 20:49:32,309 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:49:32,310 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:49:32,310 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:49:32,310 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:49:32,310 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:49:32,321 INFO L101 BaseMinimizeStates]: Removed 14 edges and 7 locations by large block encoding [2024-09-11 20:49:32,321 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:49:32,321 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:49:32,322 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:49:32,322 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:49:32,322 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:49:32,327 INFO L514 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-11 20:49:32,348 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 7 edges [2024-09-11 20:49:32,349 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:49:32,349 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:49:32,349 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:49:32,349 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:49:32,349 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:49:32,355 INFO L101 BaseMinimizeStates]: Removed 12 edges and 4 locations by large block encoding [2024-09-11 20:49:32,356 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:49:32,356 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:49:32,356 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:49:32,356 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:49:32,359 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:49:32,360 INFO L514 InvariantChecker]: The annotation(s) from loop head L48-2 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-11 20:49:32,371 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 5 edges [2024-09-11 20:49:32,372 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:49:32,372 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:49:32,372 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:49:32,372 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:49:32,372 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:49:32,376 INFO L101 BaseMinimizeStates]: Removed 8 edges and 4 locations by large block encoding [2024-09-11 20:49:32,377 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:49:32,377 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:49:32,377 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:49:32,377 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:49:32,377 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:49:32,378 INFO L514 InvariantChecker]: The annotation(s) from loop head L48-3 to loop head mainErr2ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-11 20:49:32,388 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 5 edges [2024-09-11 20:49:32,389 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:49:32,389 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:49:32,389 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:49:32,389 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:49:32,389 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:49:32,394 INFO L101 BaseMinimizeStates]: Removed 8 edges and 4 locations by large block encoding [2024-09-11 20:49:32,394 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:49:32,395 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:49:32,395 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:49:32,395 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:49:32,395 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:49:32,396 INFO L514 InvariantChecker]: The annotation(s) from loop head L40-3 to loop head mainErr2ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-11 20:49:32,407 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 7 edges [2024-09-11 20:49:32,407 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:49:32,408 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:49:32,408 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:49:32,408 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:49:32,408 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:49:32,414 INFO L101 BaseMinimizeStates]: Removed 12 edges and 4 locations by large block encoding [2024-09-11 20:49:32,415 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:49:32,415 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:49:32,415 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:49:32,415 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:49:32,417 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:49:32,419 INFO L514 InvariantChecker]: The annotation(s) from loop head L48-3 to error location mainErr6REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-11 20:49:32,429 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 7 edges [2024-09-11 20:49:32,430 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:49:32,430 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:49:32,430 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:49:32,430 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:49:32,430 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:49:32,438 INFO L101 BaseMinimizeStates]: Removed 12 edges and 4 locations by large block encoding [2024-09-11 20:49:32,439 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:49:32,439 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:49:32,439 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:49:32,439 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:49:32,440 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:49:32,442 INFO L514 InvariantChecker]: The annotation(s) from loop head L40-3 to loop head mainErr4ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-11 20:49:32,453 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 5 edges [2024-09-11 20:49:32,453 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:49:32,453 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:49:32,454 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:49:32,454 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:49:32,454 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:49:32,458 INFO L101 BaseMinimizeStates]: Removed 8 edges and 4 locations by large block encoding [2024-09-11 20:49:32,458 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:49:32,458 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:49:32,459 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:49:32,459 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:49:32,459 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:49:32,460 INFO L514 InvariantChecker]: The annotation(s) from loop head L48-2 to loop head mainErr4ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-11 20:49:32,467 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 5 edges [2024-09-11 20:49:32,468 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:49:32,468 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:49:32,468 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:49:32,468 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:49:32,468 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:49:32,470 INFO L101 BaseMinimizeStates]: Removed 8 edges and 3 locations by large block encoding [2024-09-11 20:49:32,470 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:49:32,470 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:49:32,470 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:49:32,470 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:49:32,471 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:49:32,472 INFO L514 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-11 20:49:32,479 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-11 20:49:32,479 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:49:32,480 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:49:32,480 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:49:32,480 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:49:32,480 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:49:32,481 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-11 20:49:32,481 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:49:32,481 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:49:32,481 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:49:32,481 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:49:32,481 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:49:32,483 INFO L514 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION is inductive. [2024-09-11 20:49:32,491 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-11 20:49:32,491 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:49:32,491 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:49:32,491 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:49:32,491 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:49:32,492 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:49:32,493 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-11 20:49:32,494 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:49:32,494 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:49:32,494 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:49:32,494 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:49:32,494 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:49:32,496 INFO L514 InvariantChecker]: The annotation(s) from loop head L40-3 to error location mainErr3REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-11 20:49:32,498 INFO L58 RefereeStarter]: Annotation is a valid proof of correctness [2024-09-11 20:49:32,499 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@376d40a4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee CFG 11.09 08:49:32, skipping insertion in model container [2024-09-11 20:49:32,499 INFO L131 PluginConnector]: ------------------------ END Referee---------------------------- [2024-09-11 20:49:32,500 INFO L158 Benchmark]: Toolchain (without parser) took 1101.75ms. Allocated memory is still 151.0MB. Free memory was 79.4MB in the beginning and 47.4MB in the end (delta: 32.0MB). Peak memory consumption was 30.0MB. Max. memory is 16.1GB. [2024-09-11 20:49:32,500 INFO L158 Benchmark]: Witness Parser took 0.15ms. Allocated memory is still 151.0MB. Free memory is still 102.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-11 20:49:32,501 INFO L158 Benchmark]: CDTParser took 0.07ms. Allocated memory is still 151.0MB. Free memory is still 123.9MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-11 20:49:32,501 INFO L158 Benchmark]: CACSL2BoogieTranslator took 239.69ms. Allocated memory is still 151.0MB. Free memory was 79.2MB in the beginning and 65.2MB in the end (delta: 14.0MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-09-11 20:49:32,521 INFO L158 Benchmark]: Boogie Preprocessor took 50.42ms. Allocated memory is still 151.0MB. Free memory was 65.2MB in the beginning and 63.2MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-09-11 20:49:32,522 INFO L158 Benchmark]: RCFGBuilder took 484.64ms. Allocated memory is still 151.0MB. Free memory was 63.0MB in the beginning and 105.6MB in the end (delta: -42.6MB). Peak memory consumption was 4.9MB. Max. memory is 16.1GB. [2024-09-11 20:49:32,522 INFO L158 Benchmark]: Referee took 322.36ms. Allocated memory is still 151.0MB. Free memory was 105.6MB in the beginning and 47.4MB in the end (delta: 58.2MB). Peak memory consumption was 56.6MB. Max. memory is 16.1GB. [2024-09-11 20:49:32,524 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.referee: - AnnotationCheckResult: Annotation is a valid proof of correctness Annotation is a valid proof of correctness Annotation is valid for all loop-free paths from loop head at line 35 to check that procedure precondition always holds at line 35. 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 check that procedure precondition always holds at line 49. 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 entry of procedure __VERIFIER_assert to exit of procedure __VERIFIER_assert. 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 35 to check that procedure precondition always holds at line 36. Annotation is valid for all loop-free paths from loop head at line 35 to loop head at line 40. 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 check that a call to reach_error is unreachable at line 13. 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. * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Witness Parser took 0.15ms. Allocated memory is still 151.0MB. Free memory is still 102.3MB. There was no memory consumed. Max. memory is 16.1GB. * CDTParser took 0.07ms. Allocated memory is still 151.0MB. Free memory is still 123.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 239.69ms. Allocated memory is still 151.0MB. Free memory was 79.2MB in the beginning and 65.2MB in the end (delta: 14.0MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Preprocessor took 50.42ms. Allocated memory is still 151.0MB. Free memory was 65.2MB in the beginning and 63.2MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 484.64ms. Allocated memory is still 151.0MB. Free memory was 63.0MB in the beginning and 105.6MB in the end (delta: -42.6MB). Peak memory consumption was 4.9MB. Max. memory is 16.1GB. * Referee took 322.36ms. Allocated memory is still 151.0MB. Free memory was 105.6MB in the beginning and 47.4MB in the end (delta: 58.2MB). Peak memory consumption was 56.6MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-09-11 20:49:32,546 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_valuebound10.c ../results/automizer-verification-files/SV-COMP24_unreach-call/fermat1-ll_valuebound10.yml/witness-2.1.yml -s /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Bitvector.epf --cacsl2boogietranslator.entry.function main --traceabstraction.positions.where.we.compute.the.hoare.annotation None --- Real Ultimate output --- This is Ultimate 0.2.4-dev-a9b967e-m [2024-09-11 20:49:34,566 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-11 20:49:34,622 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Bitvector.epf [2024-09-11 20:49:34,628 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-11 20:49:34,629 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-11 20:49:34,656 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-11 20:49:34,658 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-11 20:49:34,658 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-11 20:49:34,658 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-11 20:49:34,659 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-11 20:49:34,659 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-11 20:49:34,659 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-11 20:49:34,660 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-11 20:49:34,660 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-11 20:49:34,660 INFO L153 SettingsManager]: * Use SBE=true [2024-09-11 20:49:34,661 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-11 20:49:34,661 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-11 20:49:34,661 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-11 20:49:34,661 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-11 20:49:34,662 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-11 20:49:34,662 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-11 20:49:34,666 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-11 20:49:34,666 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-11 20:49:34,667 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-09-11 20:49:34,667 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-09-11 20:49:34,667 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-11 20:49:34,667 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-09-11 20:49:34,667 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-11 20:49:34,668 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-11 20:49:34,668 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-11 20:49:34,668 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-11 20:49:34,668 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-11 20:49:34,668 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-11 20:49:34,668 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-11 20:49:34,669 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-11 20:49:34,669 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-11 20:49:34,670 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-11 20:49:34,671 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-11 20:49:34,671 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-09-11 20:49:34,671 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-09-11 20:49:34,671 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-11 20:49:34,675 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-11 20:49:34,676 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-11 20:49:34,676 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-11 20:49:34,676 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2024-09-11 20:49:34,676 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None [2024-09-11 20:49:34,944 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-11 20:49:34,968 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-11 20:49:34,972 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-11 20:49:34,973 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-11 20:49:34,974 INFO L274 PluginConnector]: CDTParser initialized [2024-09-11 20:49:34,975 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/nla-digbench-scaling/fermat1-ll_valuebound10.c [2024-09-11 20:49:36,630 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-11 20:49:36,804 INFO L384 CDTParser]: Found 1 translation units. [2024-09-11 20:49:36,806 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench-scaling/fermat1-ll_valuebound10.c [2024-09-11 20:49:36,814 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/9cea420da/d5500c35211d4b7b9f9a5bf282814a33/FLAG830d7b946 [2024-09-11 20:49:37,197 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/9cea420da/d5500c35211d4b7b9f9a5bf282814a33 [2024-09-11 20:49:37,199 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-11 20:49:37,200 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-11 20:49:37,200 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/automizer-verification-files/SV-COMP24_unreach-call/fermat1-ll_valuebound10.yml/witness-2.1.yml [2024-09-11 20:49:37,238 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-11 20:49:37,239 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-09-11 20:49:37,240 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-11 20:49:37,240 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-11 20:49:37,244 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-11 20:49:37,244 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.09 08:49:37" (1/2) ... [2024-09-11 20:49:37,245 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7d9e8fec and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:49:37, skipping insertion in model container [2024-09-11 20:49:37,245 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.09 08:49:37" (1/2) ... [2024-09-11 20:49:37,246 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@15e4303e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:49:37, skipping insertion in model container [2024-09-11 20:49:37,246 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 11.09 08:49:37" (2/2) ... [2024-09-11 20:49:37,247 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7d9e8fec and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 11.09 08:49:37, skipping insertion in model container [2024-09-11 20:49:37,247 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" (2/2) ... [2024-09-11 20:49:37,256 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-11 20:49:37,257 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 20:49:37,257 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 20:49:37,257 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 20:49:37,257 INFO L1541 ArrayList]: Function contract at [L11]: requires (1 <= \old(cond)), ensures (1 <= \old(cond)) [2024-09-11 20:49:37,273 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-11 20:49:37,431 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_valuebound10.c[535,548] [2024-09-11 20:49:37,461 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-11 20:49:37,470 INFO L200 MainTranslator]: Completed pre-run Start Parsing Global Start Parsing Global [2024-09-11 20:49:37,501 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_valuebound10.c[535,548] Start Parsing Local Start Parsing Local Start Parsing Local [2024-09-11 20:49:37,524 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-11 20:49:37,548 INFO L204 MainTranslator]: Completed translation [2024-09-11 20:49:37,548 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 11.09 08:49:37 WrapperNode [2024-09-11 20:49:37,548 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-11 20:49:37,549 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-11 20:49:37,549 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-11 20:49:37,549 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-11 20:49:37,560 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 08:49:37" (1/1) ... [2024-09-11 20:49:37,560 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 08:49:37" (1/1) ... [2024-09-11 20:49:37,567 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 08:49:37" (1/1) ... [2024-09-11 20:49:37,576 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 20:49:37,580 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 08:49:37" (1/1) ... [2024-09-11 20:49:37,580 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 08:49:37" (1/1) ... [2024-09-11 20:49:37,589 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 08:49:37" (1/1) ... [2024-09-11 20:49:37,595 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 08:49:37" (1/1) ... [2024-09-11 20:49:37,596 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 08:49:37" (1/1) ... [2024-09-11 20:49:37,600 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 08:49:37" (1/1) ... [2024-09-11 20:49:37,601 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-11 20:49:37,602 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-11 20:49:37,602 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-11 20:49:37,602 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-11 20:49:37,603 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 08:49:37" (1/1) ... [2024-09-11 20:49:37,609 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-11 20:49:37,617 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-09-11 20:49:37,634 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 20:49:37,641 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 20:49:37,721 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-09-11 20:49:37,722 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-11 20:49:37,722 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-09-11 20:49:37,722 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-09-11 20:49:37,722 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-09-11 20:49:37,722 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-09-11 20:49:37,726 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-09-11 20:49:37,726 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-09-11 20:49:37,726 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-09-11 20:49:37,726 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-11 20:49:37,726 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2024-09-11 20:49:37,727 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-09-11 20:49:37,727 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-09-11 20:49:37,727 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-09-11 20:49:37,727 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-09-11 20:49:37,727 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-09-11 20:49:37,727 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-11 20:49:37,727 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2024-09-11 20:49:37,727 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2024-09-11 20:49:37,727 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-09-11 20:49:37,859 INFO L242 CfgBuilder]: Building ICFG [2024-09-11 20:49:37,861 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-11 20:49:54,042 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-11 20:49:54,124 INFO L? ?]: Removed 36 outVars from TransFormulas that were not future-live. [2024-09-11 20:49:54,124 INFO L291 CfgBuilder]: Performing block encoding [2024-09-11 20:49:54,142 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-11 20:49:54,142 INFO L318 CfgBuilder]: Removed 3 assume(true) statements. [2024-09-11 20:49:54,142 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.09 08:49:54 BoogieIcfgContainer [2024-09-11 20:49:54,142 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-11 20:49:54,143 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-09-11 20:49:54,143 INFO L270 PluginConnector]: Initializing Referee... [2024-09-11 20:49:54,144 INFO L274 PluginConnector]: Referee initialized [2024-09-11 20:49:54,144 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 11.09 08:49:37" (1/4) ... [2024-09-11 20:49:54,144 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@4f4241b1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 11.09 08:49:54, skipping insertion in model container [2024-09-11 20:49:54,145 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" (2/4) ... [2024-09-11 20:49:54,145 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@4f4241b1 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 11.09 08:49:54, skipping insertion in model container [2024-09-11 20:49:54,145 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 08:49:37" (3/4) ... [2024-09-11 20:49:54,145 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@4f4241b1 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 11.09 08:49:54, skipping insertion in model container [2024-09-11 20:49:54,145 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 08:49:54" (4/4) ... [2024-09-11 20:49:54,146 INFO L79 RefereeObserver]: Analyzing ICFG fermat1-ll_valuebound10.c [2024-09-11 20:49:54,149 INFO L112 InvariantChecker]: Found 3 loops. [2024-09-11 20:49:54,150 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 20:49:54,150 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 20:49:54,150 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 20:49:54,150 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 20:49:54,151 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 20:49:54,151 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 20:49:54,151 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 20:49:54,151 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 20:49:54,151 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 20:49:54,151 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 20:49:54,152 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 20:49:54,152 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 20:49:54,152 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, 1 loop-free subgraphs from procedure entry to loop head, 2 loop-free subgraphs from procedure entry to error location [2024-09-11 20:49:54,219 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-11 20:49:54,221 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:49:54,221 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:49:54,222 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:49:54,222 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:49:54,224 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:49:54,234 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-11 20:49:54,235 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:49:54,236 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:49:54,236 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:49:54,236 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:49:54,237 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:49:58,374 INFO L510 InvariantChecker]: unknown inductivity: todo good error message [2024-09-11 20:49:58,457 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-11 20:49:58,458 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:49:58,458 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:49:58,458 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:49:58,458 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:49:58,458 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:49:58,463 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-11 20:49:58,463 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:49:58,464 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:49:58,464 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:49:58,464 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:49:58,464 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:50:02,588 INFO L510 InvariantChecker]: unknown inductivity: todo good error message [2024-09-11 20:50:02,653 INFO L314 BlockEncoder]: Initial Icfg 9 locations, 8 edges [2024-09-11 20:50:02,653 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:50:02,653 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:50:02,653 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:50:02,653 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:50:02,654 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:50:02,684 INFO L101 BaseMinimizeStates]: Removed 14 edges and 7 locations by large block encoding [2024-09-11 20:50:02,685 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:50:02,685 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:50:02,685 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:50:02,685 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:50:02,685 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:50:06,744 INFO L510 InvariantChecker]: unknown inductivity: todo good error message [2024-09-11 20:50:06,781 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 7 edges [2024-09-11 20:50:06,781 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:50:06,781 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:50:06,782 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:50:06,782 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:50:06,782 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:50:06,791 INFO L101 BaseMinimizeStates]: Removed 12 edges and 4 locations by large block encoding [2024-09-11 20:50:06,791 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:50:06,791 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:50:06,791 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:50:06,792 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:50:06,794 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:50:06,796 INFO L514 InvariantChecker]: The annotation(s) from loop head L48-2 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-11 20:50:06,808 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 5 edges [2024-09-11 20:50:06,808 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:50:06,809 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:50:06,809 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:50:06,809 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:50:06,809 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:50:06,816 INFO L101 BaseMinimizeStates]: Removed 8 edges and 4 locations by large block encoding [2024-09-11 20:50:06,816 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:50:06,816 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:50:06,816 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:50:06,816 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:50:06,817 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:50:06,818 INFO L514 InvariantChecker]: The annotation(s) from loop head L48-3 to loop head mainErr2ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-11 20:50:06,829 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 5 edges [2024-09-11 20:50:06,830 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:50:06,830 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:50:06,830 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:50:06,830 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:50:06,830 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:50:06,839 INFO L101 BaseMinimizeStates]: Removed 8 edges and 4 locations by large block encoding [2024-09-11 20:50:06,840 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:50:06,840 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:50:06,840 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:50:06,840 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:50:06,840 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:50:11,113 INFO L510 InvariantChecker]: unknown inductivity: todo good error message [2024-09-11 20:50:11,188 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 7 edges [2024-09-11 20:50:11,189 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:50:11,189 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:50:11,189 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:50:11,189 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:50:11,189 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:50:11,212 INFO L101 BaseMinimizeStates]: Removed 12 edges and 4 locations by large block encoding [2024-09-11 20:50:11,212 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:50:11,212 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:50:11,213 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:50:11,213 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:50:11,215 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:50:11,341 INFO L514 InvariantChecker]: The annotation(s) from loop head L48-3 to error location mainErr6REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-11 20:50:11,387 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 7 edges [2024-09-11 20:50:11,388 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:50:11,388 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:50:11,388 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:50:11,388 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:50:11,388 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:50:11,394 INFO L101 BaseMinimizeStates]: Removed 12 edges and 4 locations by large block encoding [2024-09-11 20:50:11,394 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:50:11,394 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:50:11,394 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:50:11,394 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:50:11,395 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:50:11,396 INFO L514 InvariantChecker]: The annotation(s) from loop head L40-3 to loop head mainErr4ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-11 20:50:11,403 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 5 edges [2024-09-11 20:50:11,403 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:50:11,404 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:50:11,404 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:50:11,404 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:50:11,404 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:50:11,410 INFO L101 BaseMinimizeStates]: Removed 8 edges and 4 locations by large block encoding [2024-09-11 20:50:11,410 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:50:11,410 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:50:11,410 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:50:11,410 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:50:11,411 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:50:15,593 INFO L510 InvariantChecker]: unknown inductivity: todo good error message [2024-09-11 20:50:15,677 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 5 edges [2024-09-11 20:50:15,677 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:50:15,677 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:50:15,677 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:50:15,677 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:50:15,677 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:50:15,679 INFO L101 BaseMinimizeStates]: Removed 8 edges and 3 locations by large block encoding [2024-09-11 20:50:15,679 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:50:15,679 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:50:15,679 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:50:15,679 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:50:15,680 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:50:15,681 INFO L514 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-11 20:50:15,689 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-11 20:50:15,689 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:50:15,689 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:50:15,689 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:50:15,689 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:50:15,689 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:50:15,690 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-11 20:50:15,690 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:50:15,690 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:50:15,691 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:50:15,691 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:50:15,691 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:50:15,693 INFO L514 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION is inductive. [2024-09-11 20:50:15,701 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-11 20:50:15,701 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:50:15,702 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:50:15,702 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:50:15,702 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:50:15,702 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:50:15,705 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-11 20:50:15,705 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:50:15,705 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:50:15,705 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:50:15,705 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:50:15,705 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:50:19,825 INFO L510 InvariantChecker]: unknown inductivity: todo good error message [2024-09-11 20:50:19,873 INFO L58 RefereeStarter]: Insufficient resources for checking whether annotation is a valid proof of correctness [2024-09-11 20:50:19,874 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@4f4241b1 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CFG 11.09 08:50:19, skipping insertion in model container [2024-09-11 20:50:19,874 INFO L131 PluginConnector]: ------------------------ END Referee---------------------------- [2024-09-11 20:50:19,875 INFO L158 Benchmark]: Toolchain (without parser) took 42635.53ms. Allocated memory was 77.6MB in the beginning and 117.4MB in the end (delta: 39.8MB). Free memory was 37.0MB in the beginning and 49.7MB in the end (delta: -12.6MB). Peak memory consumption was 29.2MB. Max. memory is 16.1GB. [2024-09-11 20:50:19,875 INFO L158 Benchmark]: CDTParser took 1.10ms. Allocated memory is still 77.6MB. Free memory is still 59.6MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-11 20:50:19,876 INFO L158 Benchmark]: Witness Parser took 0.10ms. Allocated memory is still 77.6MB. Free memory is still 39.1MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-11 20:50:19,876 INFO L158 Benchmark]: CACSL2BoogieTranslator took 308.65ms. Allocated memory is still 77.6MB. Free memory was 36.8MB in the beginning and 45.4MB in the end (delta: -8.7MB). Peak memory consumption was 9.7MB. Max. memory is 16.1GB. [2024-09-11 20:50:19,877 INFO L158 Benchmark]: Boogie Preprocessor took 52.27ms. Allocated memory is still 77.6MB. Free memory was 45.4MB in the beginning and 43.1MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-09-11 20:50:19,877 INFO L158 Benchmark]: RCFGBuilder took 16540.65ms. Allocated memory was 77.6MB in the beginning and 117.4MB in the end (delta: 39.8MB). Free memory was 43.1MB in the beginning and 83.9MB in the end (delta: -40.9MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-09-11 20:50:19,877 INFO L158 Benchmark]: Referee took 25730.89ms. Allocated memory is still 117.4MB. Free memory was 83.9MB in the beginning and 49.7MB in the end (delta: 34.3MB). Peak memory consumption was 34.1MB. Max. memory is 16.1GB. [2024-09-11 20:50:19,879 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 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. 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 loop head at line 48 to check that procedure precondition always holds at line 49. 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 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. 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 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. * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.10ms. Allocated memory is still 77.6MB. Free memory is still 59.6MB. There was no memory consumed. Max. memory is 16.1GB. * Witness Parser took 0.10ms. Allocated memory is still 77.6MB. Free memory is still 39.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 308.65ms. Allocated memory is still 77.6MB. Free memory was 36.8MB in the beginning and 45.4MB in the end (delta: -8.7MB). Peak memory consumption was 9.7MB. Max. memory is 16.1GB. * Boogie Preprocessor took 52.27ms. Allocated memory is still 77.6MB. Free memory was 45.4MB in the beginning and 43.1MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 16540.65ms. Allocated memory was 77.6MB in the beginning and 117.4MB in the end (delta: 39.8MB). Free memory was 43.1MB in the beginning and 83.9MB in the end (delta: -40.9MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Referee took 25730.89ms. Allocated memory is still 117.4MB. Free memory was 83.9MB in the beginning and 49.7MB in the end (delta: 34.3MB). Peak memory consumption was 34.1MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-09-11 20:50:19,948 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