./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/nla-digbench-scaling/fermat1-ll_valuebound20.c --full-output --witness-type correctness_witness --validate ../results/automizer-verification-files/SV-COMP24_unreach-call/fermat1-ll_valuebound20.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_valuebound20.c ../results/automizer-verification-files/SV-COMP24_unreach-call/fermat1-ll_valuebound20.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 20:49:36,596 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-11 20:49:36,665 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Default.epf [2024-09-11 20:49:36,671 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-11 20:49:36,672 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-11 20:49:36,703 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-11 20:49:36,704 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-11 20:49:36,704 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-11 20:49:36,705 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-11 20:49:36,705 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-11 20:49:36,706 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-11 20:49:36,706 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-11 20:49:36,706 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-11 20:49:36,707 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-11 20:49:36,707 INFO L153 SettingsManager]: * Use SBE=true [2024-09-11 20:49:36,707 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-11 20:49:36,708 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-11 20:49:36,708 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-11 20:49:36,708 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-09-11 20:49:36,709 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-11 20:49:36,709 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-11 20:49:36,710 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-11 20:49:36,710 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-11 20:49:36,711 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-11 20:49:36,713 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-11 20:49:36,713 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-11 20:49:36,713 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-11 20:49:36,714 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-11 20:49:36,714 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-11 20:49:36,717 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-11 20:49:36,717 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-11 20:49:36,717 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-11 20:49:36,718 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-11 20:49:36,718 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-11 20:49:36,718 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-11 20:49:36,718 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-11 20:49:36,718 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-09-11 20:49:36,719 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-09-11 20:49:36,719 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-11 20:49:36,719 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-11 20:49:36,720 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-11 20:49:36,720 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-11 20:49:36,720 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None [2024-09-11 20:49:36,984 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-11 20:49:37,011 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-11 20:49:37,015 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-11 20:49:37,016 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-11 20:49:37,017 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-11 20:49:37,019 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/automizer-verification-files/SV-COMP24_unreach-call/fermat1-ll_valuebound20.yml/witness-2.1.yml [2024-09-11 20:49:37,085 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-11 20:49:37,085 INFO L274 PluginConnector]: CDTParser initialized [2024-09-11 20:49:37,086 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/nla-digbench-scaling/fermat1-ll_valuebound20.c [2024-09-11 20:49:38,564 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-11 20:49:38,791 INFO L384 CDTParser]: Found 1 translation units. [2024-09-11 20:49:38,796 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench-scaling/fermat1-ll_valuebound20.c [2024-09-11 20:49:38,805 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/8de70e339/2d78fd00357a48239500bfd9be0c4dfa/FLAGec8b9ea03 [2024-09-11 20:49:38,825 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/8de70e339/2d78fd00357a48239500bfd9be0c4dfa [2024-09-11 20:49:38,826 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-11 20:49:38,827 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-09-11 20:49:38,830 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-11 20:49:38,830 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-11 20:49:38,834 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-11 20:49:38,835 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 11.09 08:49:37" (1/2) ... [2024-09-11 20:49:38,835 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7dd98820 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 11.09 08:49:38, skipping insertion in model container [2024-09-11 20:49:38,836 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 11.09 08:49:37" (1/2) ... [2024-09-11 20:49:38,837 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@280942b9 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 11.09 08:49:38, skipping insertion in model container [2024-09-11 20:49:38,837 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.09 08:49:38" (2/2) ... [2024-09-11 20:49:38,837 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7dd98820 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:49:38, skipping insertion in model container [2024-09-11 20:49:38,838 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.09 08:49:38" (2/2) ... [2024-09-11 20:49:38,846 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-11 20:49:38,850 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 20:49:38,850 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 20:49:38,850 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 20:49:38,850 INFO L1541 ArrayList]: Function contract at [L11]: requires (1 <= \old(cond)), ensures (1 <= \old(cond)) [2024-09-11 20:49:38,873 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-11 20:49:39,035 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_valuebound20.c[535,548] [2024-09-11 20:49:39,068 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-11 20:49:39,078 INFO L200 MainTranslator]: Completed pre-run Start Parsing Global Start Parsing Global [2024-09-11 20:49:39,120 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_valuebound20.c[535,548] Start Parsing Local Start Parsing Local Start Parsing Local [2024-09-11 20:49:39,136 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-11 20:49:39,153 INFO L204 MainTranslator]: Completed translation [2024-09-11 20:49:39,154 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:49:39 WrapperNode [2024-09-11 20:49:39,155 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-11 20:49:39,156 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-11 20:49:39,156 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-11 20:49:39,156 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-11 20:49:39,170 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:49:39" (1/1) ... [2024-09-11 20:49:39,170 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:49:39" (1/1) ... [2024-09-11 20:49:39,181 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:49:39" (1/1) ... [2024-09-11 20:49:39,203 WARN L109 MemorySlicer]: Omit memory slicing because it failed with the following exception: Unsupported: Procedure __VERIFIER_assert is not part of the Ultimate memory model but has specification other that is not a ModifiesSpecification [2024-09-11 20:49:39,203 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:49:39" (1/1) ... [2024-09-11 20:49:39,203 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:49:39" (1/1) ... [2024-09-11 20:49:39,214 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:49:39" (1/1) ... [2024-09-11 20:49:39,218 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:49:39" (1/1) ... [2024-09-11 20:49:39,219 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:49:39" (1/1) ... [2024-09-11 20:49:39,220 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:49:39" (1/1) ... [2024-09-11 20:49:39,222 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-11 20:49:39,223 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-11 20:49:39,223 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-11 20:49:39,223 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-11 20:49:39,224 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:49:39" (1/1) ... [2024-09-11 20:49:39,233 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-11 20:49:39,243 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-09-11 20:49:39,260 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/certificate-witnesses-artifact/referee/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-09-11 20:49:39,263 INFO L327 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/referee/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-09-11 20:49:39,315 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-09-11 20:49:39,315 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-11 20:49:39,315 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-09-11 20:49:39,316 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-09-11 20:49:39,317 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-09-11 20:49:39,317 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-09-11 20:49:39,317 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-09-11 20:49:39,318 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-09-11 20:49:39,318 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-09-11 20:49:39,318 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-11 20:49:39,319 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2024-09-11 20:49:39,319 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-09-11 20:49:39,319 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-09-11 20:49:39,319 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-09-11 20:49:39,319 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-09-11 20:49:39,320 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-09-11 20:49:39,320 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-11 20:49:39,320 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-09-11 20:49:39,321 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-09-11 20:49:39,321 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-09-11 20:49:39,392 INFO L242 CfgBuilder]: Building ICFG [2024-09-11 20:49:39,396 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-11 20:49:39,648 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-11 20:49:39,716 INFO L? ?]: Removed 36 outVars from TransFormulas that were not future-live. [2024-09-11 20:49:39,716 INFO L291 CfgBuilder]: Performing block encoding [2024-09-11 20:49:39,742 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-11 20:49:39,742 INFO L318 CfgBuilder]: Removed 3 assume(true) statements. [2024-09-11 20:49:39,742 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.09 08:49:39 BoogieIcfgContainer [2024-09-11 20:49:39,742 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-11 20:49:39,743 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-09-11 20:49:39,743 INFO L270 PluginConnector]: Initializing Referee... [2024-09-11 20:49:39,744 INFO L274 PluginConnector]: Referee initialized [2024-09-11 20:49:39,744 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 11.09 08:49:37" (1/4) ... [2024-09-11 20:49:39,745 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@318eea2c and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 11.09 08:49:39, skipping insertion in model container [2024-09-11 20:49:39,745 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 11.09 08:49:38" (2/4) ... [2024-09-11 20:49:39,745 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@318eea2c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 11.09 08:49:39, skipping insertion in model container [2024-09-11 20:49:39,745 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:49:39" (3/4) ... [2024-09-11 20:49:39,746 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@318eea2c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 11.09 08:49:39, skipping insertion in model container [2024-09-11 20:49:39,746 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.09 08:49:39" (4/4) ... [2024-09-11 20:49:39,747 INFO L79 RefereeObserver]: Analyzing ICFG fermat1-ll_valuebound20.c [2024-09-11 20:49:39,750 INFO L112 InvariantChecker]: Found 3 loops. [2024-09-11 20:49:39,751 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 20:49:39,751 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 20:49:39,751 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 20:49:39,751 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 20:49:39,752 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 20:49:39,752 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 20:49:39,752 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 20:49:39,752 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 20:49:39,752 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 20:49:39,752 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 20:49:39,753 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 20:49:39,753 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 20:49:39,753 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 20:49:39,808 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-11 20:49:39,812 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:49:39,813 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:49:39,813 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:49:39,814 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:49:39,817 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:49:39,827 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-11 20:49:39,829 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:49:39,829 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:49:39,829 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:49:39,830 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:49:39,830 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:49:39,850 INFO L514 InvariantChecker]: The annotation(s) from loop head L48-2 to error location mainErr5REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-11 20:49:39,873 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-11 20:49:39,874 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:49:39,874 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:49:39,874 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:49:39,874 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:49:39,874 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:49:39,878 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-11 20:49:39,878 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:49:39,879 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:49:39,879 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:49:39,879 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:49:39,879 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:49:39,883 INFO L514 InvariantChecker]: The annotation(s) from loop head L48-3 to error location mainErr1REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-11 20:49:39,904 INFO L314 BlockEncoder]: Initial Icfg 9 locations, 8 edges [2024-09-11 20:49:39,904 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:49:39,904 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:49:39,905 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:49:39,905 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:49:39,905 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:49:39,927 INFO L101 BaseMinimizeStates]: Removed 14 edges and 7 locations by large block encoding [2024-09-11 20:49:39,927 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:49:39,928 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:49:39,928 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:49:39,928 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:49:39,928 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:49:39,934 INFO L514 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-11 20:49:39,953 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 7 edges [2024-09-11 20:49:39,953 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:49:39,954 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:49:39,954 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:49:39,954 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:49:39,954 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:49:39,976 INFO L101 BaseMinimizeStates]: Removed 12 edges and 4 locations by large block encoding [2024-09-11 20:49:39,976 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:49:39,977 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:49:39,977 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:49:39,977 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:49:39,982 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:49:39,985 INFO L514 InvariantChecker]: The annotation(s) from loop head L48-2 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-11 20:49:40,002 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 5 edges [2024-09-11 20:49:40,003 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:49:40,003 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:49:40,003 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:49:40,003 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:49:40,004 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:49:40,010 INFO L101 BaseMinimizeStates]: Removed 8 edges and 4 locations by large block encoding [2024-09-11 20:49:40,010 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:49:40,010 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:49:40,011 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:49:40,011 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:49:40,011 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:49:40,014 INFO L514 InvariantChecker]: The annotation(s) from loop head L48-3 to loop head mainErr2ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-11 20:49:40,029 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 5 edges [2024-09-11 20:49:40,031 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:49:40,031 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:49:40,031 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:49:40,031 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:49:40,032 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:49:40,042 INFO L101 BaseMinimizeStates]: Removed 8 edges and 4 locations by large block encoding [2024-09-11 20:49:40,044 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:49:40,044 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:49:40,045 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:49:40,045 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:49:40,045 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:49:40,048 INFO L514 InvariantChecker]: The annotation(s) from loop head L40-3 to loop head mainErr2ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-11 20:49:40,068 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 7 edges [2024-09-11 20:49:40,068 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:49:40,068 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:49:40,069 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:49:40,069 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:49:40,070 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:49:40,080 INFO L101 BaseMinimizeStates]: Removed 12 edges and 4 locations by large block encoding [2024-09-11 20:49:40,081 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:49:40,081 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:49:40,081 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:49:40,081 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:49:40,083 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:49:40,089 INFO L514 InvariantChecker]: The annotation(s) from loop head L48-3 to error location mainErr6REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-11 20:49:40,104 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 7 edges [2024-09-11 20:49:40,104 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:49:40,105 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:49:40,105 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:49:40,105 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:49:40,105 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:49:40,114 INFO L101 BaseMinimizeStates]: Removed 12 edges and 4 locations by large block encoding [2024-09-11 20:49:40,116 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:49:40,116 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:49:40,117 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:49:40,117 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:49:40,118 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:49:40,121 INFO L514 InvariantChecker]: The annotation(s) from loop head L40-3 to loop head mainErr4ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-11 20:49:40,136 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 5 edges [2024-09-11 20:49:40,136 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:49:40,136 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:49:40,136 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:49:40,136 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:49:40,137 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:49:40,145 INFO L101 BaseMinimizeStates]: Removed 8 edges and 4 locations by large block encoding [2024-09-11 20:49:40,145 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:49:40,145 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:49:40,145 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:49:40,146 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:49:40,146 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:49:40,148 INFO L514 InvariantChecker]: The annotation(s) from loop head L48-2 to loop head mainErr4ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-11 20:49:40,162 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 5 edges [2024-09-11 20:49:40,163 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:49:40,163 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:49:40,163 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:49:40,164 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:49:40,164 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:49:40,167 INFO L101 BaseMinimizeStates]: Removed 8 edges and 3 locations by large block encoding [2024-09-11 20:49:40,168 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:49:40,168 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:49:40,168 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:49:40,169 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:49:40,170 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:49:40,173 INFO L514 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-11 20:49:40,190 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-11 20:49:40,190 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:49:40,190 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:49:40,191 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:49:40,191 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:49:40,191 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:49:40,193 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-11 20:49:40,193 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:49:40,193 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:49:40,194 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:49:40,194 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:49:40,194 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:49:40,196 INFO L514 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION is inductive. [2024-09-11 20:49:40,209 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-11 20:49:40,209 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:49:40,209 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:49:40,210 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:49:40,210 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:49:40,210 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:49:40,212 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-11 20:49:40,213 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:49:40,213 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:49:40,213 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:49:40,213 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:49:40,214 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:49:40,217 INFO L514 InvariantChecker]: The annotation(s) from loop head L40-3 to error location mainErr3REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-11 20:49:40,220 INFO L58 RefereeStarter]: Annotation is a valid proof of correctness [2024-09-11 20:49:40,221 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@318eea2c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee CFG 11.09 08:49:40, skipping insertion in model container [2024-09-11 20:49:40,221 INFO L131 PluginConnector]: ------------------------ END Referee---------------------------- [2024-09-11 20:49:40,224 INFO L158 Benchmark]: Toolchain (without parser) took 1395.26ms. Allocated memory was 148.9MB in the beginning and 197.1MB in the end (delta: 48.2MB). Free memory was 91.4MB in the beginning and 104.1MB in the end (delta: -12.7MB). Peak memory consumption was 37.1MB. Max. memory is 16.1GB. [2024-09-11 20:49:40,224 INFO L158 Benchmark]: Witness Parser took 0.28ms. Allocated memory is still 148.9MB. Free memory was 108.7MB in the beginning and 108.5MB in the end (delta: 184.7kB). There was no memory consumed. Max. memory is 16.1GB. [2024-09-11 20:49:40,224 INFO L158 Benchmark]: CDTParser took 0.20ms. Allocated memory is still 148.9MB. Free memory was 106.6MB in the beginning and 106.4MB in the end (delta: 184.7kB). There was no memory consumed. Max. memory is 16.1GB. [2024-09-11 20:49:40,225 INFO L158 Benchmark]: CACSL2BoogieTranslator took 325.29ms. Allocated memory is still 148.9MB. Free memory was 91.1MB in the beginning and 77.0MB in the end (delta: 14.1MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-09-11 20:49:40,225 INFO L158 Benchmark]: Boogie Preprocessor took 66.42ms. Allocated memory is still 148.9MB. Free memory was 77.0MB in the beginning and 74.7MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-09-11 20:49:40,226 INFO L158 Benchmark]: RCFGBuilder took 519.78ms. Allocated memory was 148.9MB in the beginning and 197.1MB in the end (delta: 48.2MB). Free memory was 74.7MB in the beginning and 162.9MB in the end (delta: -88.2MB). Peak memory consumption was 18.2MB. Max. memory is 16.1GB. [2024-09-11 20:49:40,226 INFO L158 Benchmark]: Referee took 478.15ms. Allocated memory is still 197.1MB. Free memory was 162.9MB in the beginning and 104.1MB in the end (delta: 58.7MB). Peak memory consumption was 58.7MB. Max. memory is 16.1GB. [2024-09-11 20:49:40,231 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 48 to loop head at line 35. Annotation is valid for all loop-free paths from loop head at line 35 to check that procedure precondition always holds at line 35. Annotation is valid for all loop-free paths from entry of procedure __VERIFIER_assert to exit of procedure __VERIFIER_assert. Annotation is valid for all loop-free paths from loop head at line 48 to check that procedure precondition always holds at line 49. Annotation is valid for all loop-free paths from entry of procedure __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 40 to loop head at line 40. Annotation is valid for all loop-free paths from loop head at line 48 to loop head at line 48. Annotation is valid for all loop-free paths from 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 check that procedure precondition always holds at line 41. 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 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. * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Witness Parser took 0.28ms. Allocated memory is still 148.9MB. Free memory was 108.7MB in the beginning and 108.5MB in the end (delta: 184.7kB). There was no memory consumed. Max. memory is 16.1GB. * CDTParser took 0.20ms. Allocated memory is still 148.9MB. Free memory was 106.6MB in the beginning and 106.4MB in the end (delta: 184.7kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 325.29ms. Allocated memory is still 148.9MB. Free memory was 91.1MB in the beginning and 77.0MB in the end (delta: 14.1MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Preprocessor took 66.42ms. Allocated memory is still 148.9MB. Free memory was 77.0MB in the beginning and 74.7MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 519.78ms. Allocated memory was 148.9MB in the beginning and 197.1MB in the end (delta: 48.2MB). Free memory was 74.7MB in the beginning and 162.9MB in the end (delta: -88.2MB). Peak memory consumption was 18.2MB. Max. memory is 16.1GB. * Referee took 478.15ms. Allocated memory is still 197.1MB. Free memory was 162.9MB in the beginning and 104.1MB in the end (delta: 58.7MB). Peak memory consumption was 58.7MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-09-11 20:49:40,267 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_valuebound20.c ../results/automizer-verification-files/SV-COMP24_unreach-call/fermat1-ll_valuebound20.yml/witness-2.1.yml -s /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Bitvector.epf --cacsl2boogietranslator.entry.function main --traceabstraction.positions.where.we.compute.the.hoare.annotation None --- Real Ultimate output --- This is Ultimate 0.2.4-dev-a9b967e-m [2024-09-11 20:49:42,427 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-11 20:49:42,498 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Bitvector.epf [2024-09-11 20:49:42,504 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-11 20:49:42,505 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-11 20:49:42,538 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-11 20:49:42,538 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-11 20:49:42,539 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-11 20:49:42,539 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-11 20:49:42,540 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-11 20:49:42,540 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-11 20:49:42,541 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-11 20:49:42,543 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-11 20:49:42,544 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-11 20:49:42,544 INFO L153 SettingsManager]: * Use SBE=true [2024-09-11 20:49:42,545 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-11 20:49:42,545 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-11 20:49:42,545 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-11 20:49:42,545 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-11 20:49:42,546 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-11 20:49:42,550 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-11 20:49:42,551 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-11 20:49:42,551 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-11 20:49:42,551 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-09-11 20:49:42,551 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-09-11 20:49:42,552 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-11 20:49:42,552 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-09-11 20:49:42,552 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-11 20:49:42,553 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-11 20:49:42,553 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-11 20:49:42,553 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-11 20:49:42,553 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-11 20:49:42,554 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-11 20:49:42,554 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-11 20:49:42,561 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-11 20:49:42,563 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-11 20:49:42,565 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-11 20:49:42,565 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-11 20:49:42,565 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-09-11 20:49:42,565 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-09-11 20:49:42,565 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-11 20:49:42,566 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-11 20:49:42,566 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-11 20:49:42,567 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-11 20:49:42,567 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2024-09-11 20:49:42,567 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None [2024-09-11 20:49:42,899 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-11 20:49:42,922 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-11 20:49:42,925 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-11 20:49:42,926 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-11 20:49:42,928 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-11 20:49:42,930 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/automizer-verification-files/SV-COMP24_unreach-call/fermat1-ll_valuebound20.yml/witness-2.1.yml [2024-09-11 20:49:42,991 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-11 20:49:42,991 INFO L274 PluginConnector]: CDTParser initialized [2024-09-11 20:49:42,992 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/nla-digbench-scaling/fermat1-ll_valuebound20.c [2024-09-11 20:49:44,550 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-11 20:49:44,761 INFO L384 CDTParser]: Found 1 translation units. [2024-09-11 20:49:44,764 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench-scaling/fermat1-ll_valuebound20.c [2024-09-11 20:49:44,774 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/edf71a136/510df23d95dc4bf798746fc8d781a8c2/FLAG906e23495 [2024-09-11 20:49:45,131 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/edf71a136/510df23d95dc4bf798746fc8d781a8c2 [2024-09-11 20:49:45,131 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-11 20:49:45,133 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-09-11 20:49:45,135 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-11 20:49:45,136 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-11 20:49:45,142 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-11 20:49:45,143 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 08:49:42" (1/2) ... [2024-09-11 20:49:45,144 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@106715bf and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 11.09 08:49:45, skipping insertion in model container [2024-09-11 20:49:45,146 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 08:49:42" (1/2) ... [2024-09-11 20:49:45,148 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@13c7fa4a and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 11.09 08:49:45, skipping insertion in model container [2024-09-11 20:49:45,148 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.09 08:49:45" (2/2) ... [2024-09-11 20:49:45,148 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@106715bf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:49:45, skipping insertion in model container [2024-09-11 20:49:45,149 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.09 08:49:45" (2/2) ... [2024-09-11 20:49:45,160 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-11 20:49:45,162 INFO L1541 ArrayList]: Loop invariant at [L35-L55] ((((((long long) A * 4) + ((__int128) r * 4)) + ((__int128) v * v)) + ((__int128) 2 * u)) == (((__int128) 2 * v) + ((__int128) u * u))) [2024-09-11 20:49:45,163 INFO L1541 ArrayList]: Loop invariant at [L40-L46] ((((((long long) A * 4) + ((__int128) r * 4)) + ((__int128) v * v)) + ((__int128) 2 * u)) == (((__int128) 2 * v) + ((__int128) u * u))) [2024-09-11 20:49:45,163 INFO L1541 ArrayList]: Loop invariant at [L48-L54] ((((((long long) A * 4) + ((__int128) r * 4)) + ((__int128) v * v)) + ((__int128) 2 * u)) == (((__int128) 2 * v) + ((__int128) u * u))) [2024-09-11 20:49:45,163 INFO L1541 ArrayList]: Function contract at [L11]: requires (1 <= \old(cond)), ensures (1 <= \old(cond)) [2024-09-11 20:49:45,184 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-11 20:49:45,344 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_valuebound20.c[535,548] [2024-09-11 20:49:45,376 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-11 20:49:45,388 INFO L200 MainTranslator]: Completed pre-run Start Parsing Global Start Parsing Global [2024-09-11 20:49:45,420 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_valuebound20.c[535,548] Start Parsing Local Start Parsing Local Start Parsing Local [2024-09-11 20:49:45,453 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-11 20:49:45,470 INFO L204 MainTranslator]: Completed translation [2024-09-11 20:49:45,470 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:49:45 WrapperNode [2024-09-11 20:49:45,471 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-11 20:49:45,472 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-11 20:49:45,472 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-11 20:49:45,472 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-11 20:49:45,485 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:49:45" (1/1) ... [2024-09-11 20:49:45,485 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:49:45" (1/1) ... [2024-09-11 20:49:45,495 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:49:45" (1/1) ... [2024-09-11 20:49:45,509 WARN L109 MemorySlicer]: Omit memory slicing because it failed with the following exception: Unsupported: Procedure __VERIFIER_assert is not part of the Ultimate memory model but has specification other that is not a ModifiesSpecification [2024-09-11 20:49:45,510 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:49:45" (1/1) ... [2024-09-11 20:49:45,510 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:49:45" (1/1) ... [2024-09-11 20:49:45,523 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:49:45" (1/1) ... [2024-09-11 20:49:45,527 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:49:45" (1/1) ... [2024-09-11 20:49:45,528 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:49:45" (1/1) ... [2024-09-11 20:49:45,529 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:49:45" (1/1) ... [2024-09-11 20:49:45,534 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-11 20:49:45,535 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-11 20:49:45,535 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-11 20:49:45,535 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-11 20:49:45,536 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:49:45" (1/1) ... [2024-09-11 20:49:45,543 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-11 20:49:45,552 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-09-11 20:49:45,570 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/certificate-witnesses-artifact/referee/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-09-11 20:49:45,573 INFO L327 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/referee/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-09-11 20:49:45,624 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-09-11 20:49:45,625 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-11 20:49:45,625 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-09-11 20:49:45,625 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-09-11 20:49:45,625 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-09-11 20:49:45,625 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-09-11 20:49:45,626 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-09-11 20:49:45,626 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-09-11 20:49:45,626 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-09-11 20:49:45,626 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-11 20:49:45,626 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2024-09-11 20:49:45,626 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-09-11 20:49:45,626 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-09-11 20:49:45,627 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-09-11 20:49:45,627 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-09-11 20:49:45,627 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-09-11 20:49:45,627 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-11 20:49:45,628 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2024-09-11 20:49:45,628 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2024-09-11 20:49:45,628 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-09-11 20:49:45,703 INFO L242 CfgBuilder]: Building ICFG [2024-09-11 20:49:45,705 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-11 20:50:02,380 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-11 20:50:02,475 INFO L? ?]: Removed 36 outVars from TransFormulas that were not future-live. [2024-09-11 20:50:02,475 INFO L291 CfgBuilder]: Performing block encoding [2024-09-11 20:50:02,504 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-11 20:50:02,504 INFO L318 CfgBuilder]: Removed 3 assume(true) statements. [2024-09-11 20:50:02,504 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.09 08:50:02 BoogieIcfgContainer [2024-09-11 20:50:02,508 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-11 20:50:02,509 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-09-11 20:50:02,509 INFO L270 PluginConnector]: Initializing Referee... [2024-09-11 20:50:02,510 INFO L274 PluginConnector]: Referee initialized [2024-09-11 20:50:02,511 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 08:49:42" (1/4) ... [2024-09-11 20:50:02,512 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@ad73882 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 11.09 08:50:02, skipping insertion in model container [2024-09-11 20:50:02,513 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 11.09 08:49:45" (2/4) ... [2024-09-11 20:50:02,513 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@ad73882 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 11.09 08:50:02, skipping insertion in model container [2024-09-11 20:50:02,513 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:49:45" (3/4) ... [2024-09-11 20:50:02,513 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@ad73882 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 11.09 08:50:02, skipping insertion in model container [2024-09-11 20:50:02,513 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.09 08:50:02" (4/4) ... [2024-09-11 20:50:02,515 INFO L79 RefereeObserver]: Analyzing ICFG fermat1-ll_valuebound20.c [2024-09-11 20:50:02,523 INFO L112 InvariantChecker]: Found 3 loops. [2024-09-11 20:50:02,524 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L48-2 to ERROR_LOC mainErr5REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 3 edges. [2024-09-11 20:50:02,524 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L48-3 to ERROR_LOC mainErr1REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 3 edges. [2024-09-11 20:50:02,524 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 8 edges. [2024-09-11 20:50:02,524 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L48-2 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 7 edges. [2024-09-11 20:50:02,525 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L48-3 to LOOP_INVARIANT_ERROR_LOC mainErr2ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 5 edges. [2024-09-11 20:50:02,525 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L40-3 to LOOP_INVARIANT_ERROR_LOC mainErr2ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 5 edges. [2024-09-11 20:50:02,525 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L48-3 to ERROR_LOC mainErr6REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 7 edges. [2024-09-11 20:50:02,525 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L40-3 to LOOP_INVARIANT_ERROR_LOC mainErr4ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 7 edges. [2024-09-11 20:50:02,525 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L48-2 to LOOP_INVARIANT_ERROR_LOC mainErr4ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 5 edges. [2024-09-11 20:50:02,525 INFO L367 InvariantChecker]: Will check inductivity from ENTRY __VERIFIER_assertENTRY to ERROR_LOC __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 5 edges. [2024-09-11 20:50:02,525 INFO L367 InvariantChecker]: Will check inductivity from ENTRY __VERIFIER_assertENTRY to ERROR_LOC __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 3 edges. [2024-09-11 20:50:02,525 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L40-3 to ERROR_LOC mainErr3REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 3 edges. [2024-09-11 20:50:02,526 INFO L130 InvariantChecker]: Will check 2 loop-free subgraphs from procedure entry to error location, 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 [2024-09-11 20:50:02,584 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-11 20:50:02,585 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:50:02,586 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:50:02,587 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:50:02,587 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:50:02,589 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:50:02,608 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-11 20:50:02,609 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:50:02,610 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:50:02,610 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:50:02,611 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:50:02,612 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:50:06,767 INFO L510 InvariantChecker]: unknown inductivity: todo good error message [2024-09-11 20:50:06,852 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-11 20:50:06,855 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:50:06,855 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:50:06,855 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:50:06,855 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:50:06,855 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:50:06,861 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-11 20:50:06,861 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:50:06,861 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:50:06,862 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:50:06,862 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:50:06,862 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:50:10,996 INFO L510 InvariantChecker]: unknown inductivity: todo good error message [2024-09-11 20:50:11,076 INFO L314 BlockEncoder]: Initial Icfg 9 locations, 8 edges [2024-09-11 20:50:11,079 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:50:11,079 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:50:11,079 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:50:11,079 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:50:11,079 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:50:11,104 INFO L101 BaseMinimizeStates]: Removed 14 edges and 7 locations by large block encoding [2024-09-11 20:50:11,105 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:50:11,105 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:50:11,105 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:50:11,105 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:50:11,105 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:50:15,174 INFO L510 InvariantChecker]: unknown inductivity: todo good error message [2024-09-11 20:50:15,218 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 7 edges [2024-09-11 20:50:15,218 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:50:15,218 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:50:15,218 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:50:15,218 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:50:15,218 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:50:15,229 INFO L101 BaseMinimizeStates]: Removed 12 edges and 4 locations by large block encoding [2024-09-11 20:50:15,229 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:50:15,230 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:50:15,230 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:50:15,230 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:50:15,233 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:50:15,238 INFO L514 InvariantChecker]: The annotation(s) from loop head L48-2 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-11 20:50:15,253 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 5 edges [2024-09-11 20:50:15,253 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:50:15,253 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:50:15,254 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:50:15,254 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:50:15,254 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:50:15,262 INFO L101 BaseMinimizeStates]: Removed 8 edges and 4 locations by large block encoding [2024-09-11 20:50:15,262 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:50:15,262 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:50:15,262 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:50:15,262 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:50:15,263 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:50:15,265 INFO L514 InvariantChecker]: The annotation(s) from loop head L48-3 to loop head mainErr2ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-11 20:50:15,278 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 5 edges [2024-09-11 20:50:15,279 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:50:15,279 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:50:15,279 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:50:15,279 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:50:15,279 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:50:15,298 INFO L101 BaseMinimizeStates]: Removed 8 edges and 4 locations by large block encoding [2024-09-11 20:50:15,299 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:50:15,299 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:50:15,300 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:50:15,300 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:50:15,300 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:50:19,561 INFO L510 InvariantChecker]: unknown inductivity: todo good error message [2024-09-11 20:50:19,649 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 7 edges [2024-09-11 20:50:19,650 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:50:19,650 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:50:19,650 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:50:19,650 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:50:19,650 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:50:19,660 INFO L101 BaseMinimizeStates]: Removed 12 edges and 4 locations by large block encoding [2024-09-11 20:50:19,660 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:50:19,660 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:50:19,661 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:50:19,661 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:50:19,664 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:50:19,832 INFO L514 InvariantChecker]: The annotation(s) from loop head L48-3 to error location mainErr6REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-11 20:50:19,884 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 7 edges [2024-09-11 20:50:19,886 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:50:19,886 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:50:19,886 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:50:19,886 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:50:19,887 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:50:19,896 INFO L101 BaseMinimizeStates]: Removed 12 edges and 4 locations by large block encoding [2024-09-11 20:50:19,896 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:50:19,896 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:50:19,897 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:50:19,897 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:50:19,898 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:50:19,899 INFO L514 InvariantChecker]: The annotation(s) from loop head L40-3 to loop head mainErr4ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-11 20:50:19,912 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 5 edges [2024-09-11 20:50:19,913 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:50:19,913 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:50:19,913 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:50:19,913 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:50:19,913 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:50:19,932 INFO L101 BaseMinimizeStates]: Removed 8 edges and 4 locations by large block encoding [2024-09-11 20:50:19,932 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:50:19,932 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:50:19,932 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:50:19,933 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:50:19,933 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:50:24,186 INFO L510 InvariantChecker]: unknown inductivity: todo good error message [2024-09-11 20:50:24,271 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 5 edges [2024-09-11 20:50:24,272 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:50:24,272 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:50:24,272 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:50:24,272 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:50:24,273 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:50:24,275 INFO L101 BaseMinimizeStates]: Removed 8 edges and 3 locations by large block encoding [2024-09-11 20:50:24,275 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:50:24,276 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:50:24,277 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:50:24,277 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:50:24,278 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:50:24,280 INFO L514 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-11 20:50:24,292 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-11 20:50:24,292 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:50:24,292 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:50:24,293 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:50:24,293 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:50:24,293 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:50:24,296 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-11 20:50:24,296 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:50:24,296 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:50:24,296 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:50:24,296 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:50:24,297 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:50:24,299 INFO L514 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION is inductive. [2024-09-11 20:50:24,311 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-11 20:50:24,312 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:50:24,312 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:50:24,312 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:50:24,312 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:50:24,313 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:50:24,316 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-11 20:50:24,316 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:50:24,316 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:50:24,316 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:50:24,317 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:50:24,317 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:50:28,458 INFO L510 InvariantChecker]: unknown inductivity: todo good error message [2024-09-11 20:50:28,509 INFO L58 RefereeStarter]: Insufficient resources for checking whether annotation is a valid proof of correctness [2024-09-11 20:50:28,509 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@ad73882 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee CFG 11.09 08:50:28, skipping insertion in model container [2024-09-11 20:50:28,509 INFO L131 PluginConnector]: ------------------------ END Referee---------------------------- [2024-09-11 20:50:28,511 INFO L158 Benchmark]: Toolchain (without parser) took 43377.60ms. Allocated memory was 58.7MB in the beginning and 81.8MB in the end (delta: 23.1MB). Free memory was 35.9MB in the beginning and 37.0MB in the end (delta: -1.1MB). Peak memory consumption was 30.8MB. Max. memory is 16.1GB. [2024-09-11 20:50:28,513 INFO L158 Benchmark]: Witness Parser took 0.16ms. Allocated memory is still 58.7MB. Free memory was 33.7MB in the beginning and 33.6MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. [2024-09-11 20:50:28,513 INFO L158 Benchmark]: CDTParser took 0.13ms. Allocated memory is still 58.7MB. Free memory was 31.6MB in the beginning and 31.5MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. [2024-09-11 20:50:28,514 INFO L158 Benchmark]: CACSL2BoogieTranslator took 336.19ms. Allocated memory was 58.7MB in the beginning and 81.8MB in the end (delta: 23.1MB). Free memory was 35.6MB in the beginning and 61.3MB in the end (delta: -25.7MB). Peak memory consumption was 16.1MB. Max. memory is 16.1GB. [2024-09-11 20:50:28,515 INFO L158 Benchmark]: Boogie Preprocessor took 62.58ms. Allocated memory is still 81.8MB. Free memory was 61.3MB in the beginning and 58.8MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-09-11 20:50:28,515 INFO L158 Benchmark]: RCFGBuilder took 16973.51ms. Allocated memory is still 81.8MB. Free memory was 58.8MB in the beginning and 37.2MB in the end (delta: 21.6MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. [2024-09-11 20:50:28,516 INFO L158 Benchmark]: Referee took 26000.32ms. Allocated memory is still 81.8MB. Free memory was 37.2MB in the beginning and 37.0MB in the end (delta: 225.1kB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-09-11 20:50:28,519 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.referee: - AnnotationCheckResult: Insufficient resources for checking whether annotation is a valid proof of correctness Insufficient resources for checking whether annotation is a valid proof of correctness Insufficient resources for checking whether annotation is valid for all loop-free paths from loop head at line 48 to 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 loop head at line 40. Insufficient resources for checking whether annotation is valid for all loop-free paths from entry of procedure main to loop head at line 35. Insufficient resources for checking whether annotation is valid for all loop-free paths from loop head at line 35 to 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 check that procedure precondition always holds at line 49. Insufficient resources for checking whether annotation is valid for all loop-free paths from loop head at line 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 35. Annotation is valid for all loop-free paths from entry of procedure __VERIFIER_assert to check that a call to reach_error is unreachable at line 13. Annotation is valid for all loop-free paths from loop head at line 48 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 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 35 to loop head at line 40. * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Witness Parser took 0.16ms. Allocated memory is still 58.7MB. Free memory was 33.7MB in the beginning and 33.6MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. * CDTParser took 0.13ms. Allocated memory is still 58.7MB. Free memory was 31.6MB in the beginning and 31.5MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 336.19ms. Allocated memory was 58.7MB in the beginning and 81.8MB in the end (delta: 23.1MB). Free memory was 35.6MB in the beginning and 61.3MB in the end (delta: -25.7MB). Peak memory consumption was 16.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 62.58ms. Allocated memory is still 81.8MB. Free memory was 61.3MB in the beginning and 58.8MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 16973.51ms. Allocated memory is still 81.8MB. Free memory was 58.8MB in the beginning and 37.2MB in the end (delta: 21.6MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. * Referee took 26000.32ms. Allocated memory is still 81.8MB. Free memory was 37.2MB in the beginning and 37.0MB in the end (delta: 225.1kB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-09-11 20:50:28,608 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