./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/nla-digbench-scaling/fermat1-ll_valuebound2.c --full-output --witness-type correctness_witness --validate ../results/automizer-verification-files/SV-COMP24_unreach-call/fermat1-ll_valuebound2.yml/witness-2.1.yml --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version a9b967e5 Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/certificate-witnesses-artifact/referee/data/config -Xmx15G -Xms4m -jar /storage/repos/certificate-witnesses-artifact/referee/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/certificate-witnesses-artifact/referee/data -tc /storage/repos/certificate-witnesses-artifact/referee/config/RefereeReachWitnessValidation.xml -i ../sv-benchmarks/c/nla-digbench-scaling/fermat1-ll_valuebound2.c ../results/automizer-verification-files/SV-COMP24_unreach-call/fermat1-ll_valuebound2.yml/witness-2.1.yml -s /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Default.epf --cacsl2boogietranslator.entry.function main --traceabstraction.positions.where.we.compute.the.hoare.annotation None --- Real Ultimate output --- This is Ultimate 0.2.4-dev-a9b967e-m [2024-09-11 20:49:34,521 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-11 20:49:34,593 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Default.epf [2024-09-11 20:49:34,599 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-11 20:49:34,600 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-11 20:49:34,627 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-11 20:49:34,627 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-11 20:49:34,628 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-11 20:49:34,628 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-11 20:49:34,630 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-11 20:49:34,630 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-11 20:49:34,631 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-11 20:49:34,631 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-11 20:49:34,632 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-11 20:49:34,634 INFO L153 SettingsManager]: * Use SBE=true [2024-09-11 20:49:34,635 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-11 20:49:34,635 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-11 20:49:34,635 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-11 20:49:34,636 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-09-11 20:49:34,636 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-11 20:49:34,636 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-11 20:49:34,636 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-11 20:49:34,637 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-11 20:49:34,637 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-11 20:49:34,637 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-11 20:49:34,637 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-11 20:49:34,637 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-11 20:49:34,637 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-11 20:49:34,638 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-11 20:49:34,638 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-11 20:49:34,638 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-11 20:49:34,638 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-11 20:49:34,638 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-11 20:49:34,639 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-11 20:49:34,639 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-11 20:49:34,639 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-11 20:49:34,639 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-09-11 20:49:34,639 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-09-11 20:49:34,640 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-11 20:49:34,640 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-11 20:49:34,642 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-11 20:49:34,642 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-11 20:49:34,642 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/certificate-witnesses-artifact/referee/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None [2024-09-11 20:49:34,902 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-11 20:49:34,923 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-11 20:49:34,927 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-11 20:49:34,930 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-11 20:49:34,930 INFO L274 PluginConnector]: CDTParser initialized [2024-09-11 20:49:34,931 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/nla-digbench-scaling/fermat1-ll_valuebound2.c [2024-09-11 20:49:36,389 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-11 20:49:36,602 INFO L384 CDTParser]: Found 1 translation units. [2024-09-11 20:49:36,606 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench-scaling/fermat1-ll_valuebound2.c [2024-09-11 20:49:36,618 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/958972d85/1a83caf45b624726b6a88cf1a250f31c/FLAGd86c2e212 [2024-09-11 20:49:36,965 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/958972d85/1a83caf45b624726b6a88cf1a250f31c [2024-09-11 20:49:36,967 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-11 20:49:36,968 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-11 20:49:36,969 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/automizer-verification-files/SV-COMP24_unreach-call/fermat1-ll_valuebound2.yml/witness-2.1.yml [2024-09-11 20:49:37,015 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-11 20:49:37,016 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-09-11 20:49:37,017 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-11 20:49:37,017 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-11 20:49:37,022 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-11 20:49:37,023 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.09 08:49:36" (1/2) ... [2024-09-11 20:49:37,024 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@64389e1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:49:37, skipping insertion in model container [2024-09-11 20:49:37,024 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.09 08:49:36" (1/2) ... [2024-09-11 20:49:37,025 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@76fad39f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:49:37, skipping insertion in model container [2024-09-11 20:49:37,026 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 11.09 08:49:37" (2/2) ... [2024-09-11 20:49:37,026 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@64389e1 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 11.09 08:49:37, skipping insertion in model container [2024-09-11 20:49:37,026 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 11.09 08:49:37" (2/2) ... [2024-09-11 20:49:37,034 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-11 20:49:37,035 INFO L1541 ArrayList]: Loop invariant at [L35-L55] ((((((long long) A * 4) + ((__int128) r * 4)) + ((__int128) v * v)) + ((__int128) 2 * u)) == (((__int128) 2 * v) + ((__int128) u * u))) [2024-09-11 20:49:37,035 INFO L1541 ArrayList]: Loop invariant at [L48-L54] ((((((long long) A * 4) + ((__int128) r * 4)) + ((__int128) v * v)) + ((__int128) 2 * u)) == (((__int128) 2 * v) + ((__int128) u * u))) [2024-09-11 20:49:37,035 INFO L1541 ArrayList]: Loop invariant at [L40-L46] ((((((long long) A * 4) + ((__int128) r * 4)) + ((__int128) v * v)) + ((__int128) 2 * u)) == (((__int128) 2 * v) + ((__int128) u * u))) [2024-09-11 20:49:37,036 INFO L1541 ArrayList]: Function contract at [L11]: requires (1 <= \old(cond)), ensures (1 <= \old(cond)) [2024-09-11 20:49:37,057 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-11 20:49:37,206 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_valuebound2.c[535,548] [2024-09-11 20:49:37,231 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-11 20:49:37,240 INFO L200 MainTranslator]: Completed pre-run Start Parsing Global Start Parsing Global [2024-09-11 20:49:37,273 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_valuebound2.c[535,548] Start Parsing Local Start Parsing Local Start Parsing Local [2024-09-11 20:49:37,288 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-11 20:49:37,302 INFO L204 MainTranslator]: Completed translation [2024-09-11 20:49:37,303 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 11.09 08:49:37 WrapperNode [2024-09-11 20:49:37,303 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-11 20:49:37,305 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-11 20:49:37,305 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-11 20:49:37,305 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-11 20:49:37,317 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 11.09 08:49:37" (1/1) ... [2024-09-11 20:49:37,317 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 11.09 08:49:37" (1/1) ... [2024-09-11 20:49:37,322 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 11.09 08:49:37" (1/1) ... [2024-09-11 20:49:37,331 WARN L109 MemorySlicer]: Omit memory slicing because it failed with the following exception: Unsupported: Procedure __VERIFIER_assert is not part of the Ultimate memory model but has specification other that is not a ModifiesSpecification [2024-09-11 20:49:37,331 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 11.09 08:49:37" (1/1) ... [2024-09-11 20:49:37,332 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 11.09 08:49:37" (1/1) ... [2024-09-11 20:49:37,335 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 11.09 08:49:37" (1/1) ... [2024-09-11 20:49:37,339 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 11.09 08:49:37" (1/1) ... [2024-09-11 20:49:37,344 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 11.09 08:49:37" (1/1) ... [2024-09-11 20:49:37,345 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 11.09 08:49:37" (1/1) ... [2024-09-11 20:49:37,347 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-11 20:49:37,348 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-11 20:49:37,348 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-11 20:49:37,348 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-11 20:49:37,351 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 11.09 08:49:37" (1/1) ... [2024-09-11 20:49:37,356 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-11 20:49:37,363 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-09-11 20:49:37,377 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/certificate-witnesses-artifact/referee/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-09-11 20:49:37,380 INFO L327 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/referee/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-09-11 20:49:37,421 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-09-11 20:49:37,421 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-11 20:49:37,422 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-09-11 20:49:37,422 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-09-11 20:49:37,422 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-09-11 20:49:37,422 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-09-11 20:49:37,422 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-09-11 20:49:37,422 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-09-11 20:49:37,422 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-09-11 20:49:37,423 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-11 20:49:37,423 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2024-09-11 20:49:37,423 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-09-11 20:49:37,423 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-09-11 20:49:37,423 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-09-11 20:49:37,423 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-09-11 20:49:37,424 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-09-11 20:49:37,424 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-11 20:49:37,424 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-09-11 20:49:37,426 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-09-11 20:49:37,426 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-09-11 20:49:37,487 INFO L242 CfgBuilder]: Building ICFG [2024-09-11 20:49:37,491 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-11 20:49:37,690 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-11 20:49:37,744 INFO L? ?]: Removed 36 outVars from TransFormulas that were not future-live. [2024-09-11 20:49:37,745 INFO L291 CfgBuilder]: Performing block encoding [2024-09-11 20:49:37,769 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-11 20:49:37,770 INFO L318 CfgBuilder]: Removed 3 assume(true) statements. [2024-09-11 20:49:37,770 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.09 08:49:37 BoogieIcfgContainer [2024-09-11 20:49:37,770 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-11 20:49:37,771 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-09-11 20:49:37,771 INFO L270 PluginConnector]: Initializing Referee... [2024-09-11 20:49:37,772 INFO L274 PluginConnector]: Referee initialized [2024-09-11 20:49:37,772 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 11.09 08:49:36" (1/4) ... [2024-09-11 20:49:37,772 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@61aa3bf2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 11.09 08:49:37, skipping insertion in model container [2024-09-11 20:49:37,772 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 11.09 08:49:37" (2/4) ... [2024-09-11 20:49:37,773 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@61aa3bf2 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 11.09 08:49:37, skipping insertion in model container [2024-09-11 20:49:37,773 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 11.09 08:49:37" (3/4) ... [2024-09-11 20:49:37,773 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@61aa3bf2 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 11.09 08:49:37, skipping insertion in model container [2024-09-11 20:49:37,773 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.09 08:49:37" (4/4) ... [2024-09-11 20:49:37,774 INFO L79 RefereeObserver]: Analyzing ICFG fermat1-ll_valuebound2.c [2024-09-11 20:49:37,779 INFO L112 InvariantChecker]: Found 3 loops. [2024-09-11 20:49:37,783 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 20:49:37,783 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 20:49:37,783 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 20:49:37,783 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 20:49:37,784 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 20:49:37,784 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 20:49:37,784 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 20:49:37,784 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 20:49:37,784 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 20:49:37,784 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 20:49:37,784 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 20:49:37,785 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 20:49:37,785 INFO L130 InvariantChecker]: Will check 2 loop-free subgraphs from procedure entry to error location, 4 loop-free subgraphs from loop head to error location, 1 loop-free subgraphs from procedure entry to loop head, 5 loop-free subgraphs from loop head to loop head [2024-09-11 20:49:37,844 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-11 20:49:37,846 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:49:37,846 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:49:37,847 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:49:37,848 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:49:37,849 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:49:37,865 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-11 20:49:37,866 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:49:37,867 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:49:37,867 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:49:37,867 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:49:37,868 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:49:37,887 INFO L514 InvariantChecker]: The annotation(s) from loop head L48-2 to error location mainErr5REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-11 20:49:37,918 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-11 20:49:37,919 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:49:37,920 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:49:37,920 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:49:37,920 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:49:37,921 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:49:37,927 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-11 20:49:37,927 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:49:37,928 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:49:37,928 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:49:37,928 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:49:37,929 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:49:37,932 INFO L514 InvariantChecker]: The annotation(s) from loop head L48-3 to error location mainErr1REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-11 20:49:37,960 INFO L314 BlockEncoder]: Initial Icfg 9 locations, 8 edges [2024-09-11 20:49:37,964 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:49:37,964 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:49:37,964 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:49:37,965 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:49:37,965 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:49:37,985 INFO L101 BaseMinimizeStates]: Removed 14 edges and 7 locations by large block encoding [2024-09-11 20:49:37,988 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:49:37,988 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:49:37,989 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:49:37,989 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:49:37,989 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:49:37,995 INFO L514 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-11 20:49:38,015 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 7 edges [2024-09-11 20:49:38,015 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:49:38,016 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:49:38,016 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:49:38,016 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:49:38,016 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:49:38,029 INFO L101 BaseMinimizeStates]: Removed 12 edges and 4 locations by large block encoding [2024-09-11 20:49:38,030 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:49:38,030 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:49:38,030 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:49:38,030 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:49:38,033 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:49:38,038 INFO L514 InvariantChecker]: The annotation(s) from loop head L48-2 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-11 20:49:38,056 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 5 edges [2024-09-11 20:49:38,057 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:49:38,057 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:49:38,057 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:49:38,058 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:49:38,058 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:49:38,063 INFO L101 BaseMinimizeStates]: Removed 8 edges and 4 locations by large block encoding [2024-09-11 20:49:38,064 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:49:38,064 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:49:38,065 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:49:38,065 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:49:38,065 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:49:38,067 INFO L514 InvariantChecker]: The annotation(s) from loop head L48-3 to loop head mainErr2ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-11 20:49:38,082 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 5 edges [2024-09-11 20:49:38,083 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:49:38,083 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:49:38,083 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:49:38,083 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:49:38,083 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:49:38,091 INFO L101 BaseMinimizeStates]: Removed 8 edges and 4 locations by large block encoding [2024-09-11 20:49:38,092 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:49:38,092 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:49:38,092 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:49:38,092 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:49:38,092 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:49:38,094 INFO L514 InvariantChecker]: The annotation(s) from loop head L40-3 to loop head mainErr2ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-11 20:49:38,112 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 7 edges [2024-09-11 20:49:38,112 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:49:38,112 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:49:38,112 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:49:38,112 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:49:38,113 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:49:38,122 INFO L101 BaseMinimizeStates]: Removed 12 edges and 4 locations by large block encoding [2024-09-11 20:49:38,123 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:49:38,123 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:49:38,123 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:49:38,124 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:49:38,125 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:49:38,130 INFO L514 InvariantChecker]: The annotation(s) from loop head L48-3 to error location mainErr6REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-11 20:49:38,142 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 7 edges [2024-09-11 20:49:38,142 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:49:38,142 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:49:38,143 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:49:38,143 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:49:38,143 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:49:38,151 INFO L101 BaseMinimizeStates]: Removed 12 edges and 4 locations by large block encoding [2024-09-11 20:49:38,155 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:49:38,155 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:49:38,155 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:49:38,155 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:49:38,156 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:49:38,158 INFO L514 InvariantChecker]: The annotation(s) from loop head L40-3 to loop head mainErr4ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-11 20:49:38,171 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 5 edges [2024-09-11 20:49:38,171 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:49:38,171 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:49:38,172 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:49:38,172 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:49:38,172 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:49:38,178 INFO L101 BaseMinimizeStates]: Removed 8 edges and 4 locations by large block encoding [2024-09-11 20:49:38,179 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:49:38,179 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:49:38,179 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:49:38,179 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:49:38,179 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:49:38,181 INFO L514 InvariantChecker]: The annotation(s) from loop head L48-2 to loop head mainErr4ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-11 20:49:38,193 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 5 edges [2024-09-11 20:49:38,193 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:49:38,194 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:49:38,194 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:49:38,194 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:49:38,194 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:49:38,196 INFO L101 BaseMinimizeStates]: Removed 8 edges and 3 locations by large block encoding [2024-09-11 20:49:38,196 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:49:38,196 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:49:38,196 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:49:38,196 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:49:38,197 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:49:38,199 INFO L514 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-11 20:49:38,209 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-11 20:49:38,209 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:49:38,209 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:49:38,209 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:49:38,210 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:49:38,210 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:49:38,212 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-11 20:49:38,212 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:49:38,212 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:49:38,212 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:49:38,212 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:49:38,213 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:49:38,214 INFO L514 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION is inductive. [2024-09-11 20:49:38,226 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-11 20:49:38,227 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:49:38,227 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:49:38,228 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:49:38,228 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:49:38,228 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:49:38,231 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-11 20:49:38,231 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:49:38,232 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:49:38,232 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:49:38,232 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:49:38,232 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:49:38,234 INFO L514 InvariantChecker]: The annotation(s) from loop head L40-3 to error location mainErr3REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-11 20:49:38,237 INFO L58 RefereeStarter]: Annotation is a valid proof of correctness [2024-09-11 20:49:38,238 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@61aa3bf2 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CFG 11.09 08:49:38, skipping insertion in model container [2024-09-11 20:49:38,238 INFO L131 PluginConnector]: ------------------------ END Referee---------------------------- [2024-09-11 20:49:38,240 INFO L158 Benchmark]: Toolchain (without parser) took 1223.23ms. Allocated memory is still 157.3MB. Free memory was 86.6MB in the beginning and 67.0MB in the end (delta: 19.6MB). Peak memory consumption was 21.3MB. Max. memory is 16.1GB. [2024-09-11 20:49:38,241 INFO L158 Benchmark]: CDTParser took 0.11ms. Allocated memory is still 117.4MB. Free memory was 80.0MB in the beginning and 79.9MB in the end (delta: 160.8kB). There was no memory consumed. Max. memory is 16.1GB. [2024-09-11 20:49:38,242 INFO L158 Benchmark]: Witness Parser took 0.13ms. Allocated memory is still 157.3MB. Free memory was 88.7MB in the beginning and 88.5MB in the end (delta: 258.7kB). There was no memory consumed. Max. memory is 16.1GB. [2024-09-11 20:49:38,242 INFO L158 Benchmark]: CACSL2BoogieTranslator took 286.08ms. Allocated memory is still 157.3MB. Free memory was 86.4MB in the beginning and 72.2MB in the end (delta: 14.1MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-09-11 20:49:38,242 INFO L158 Benchmark]: Boogie Preprocessor took 42.33ms. Allocated memory is still 157.3MB. Free memory was 72.2MB in the beginning and 70.3MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-09-11 20:49:38,243 INFO L158 Benchmark]: RCFGBuilder took 422.63ms. Allocated memory is still 157.3MB. Free memory was 70.3MB in the beginning and 125.0MB in the end (delta: -54.7MB). Peak memory consumption was 21.3MB. Max. memory is 16.1GB. [2024-09-11 20:49:38,243 INFO L158 Benchmark]: Referee took 467.83ms. Allocated memory is still 157.3MB. Free memory was 125.0MB in the beginning and 67.0MB in the end (delta: 58.0MB). Peak memory consumption was 58.7MB. Max. memory is 16.1GB. [2024-09-11 20:49:38,248 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 40 to loop head at line 40. Annotation is valid for all loop-free paths from loop head at line 48 to check that procedure precondition always holds at line 49. Annotation is valid for all loop-free paths from loop head at line 35 to loop head at line 40. Annotation is valid for all loop-free paths from entry of procedure main to loop head at line 35. Annotation is valid for all loop-free paths from loop head at line 48 to loop head at line 48. Annotation is valid for all loop-free paths from loop head at line 48 to loop head at line 35. Annotation is valid for all loop-free paths from loop head at line 35 to check that procedure precondition always holds at line 35. Annotation is valid for all loop-free paths from loop head at line 40 to loop head at line 48. Annotation is valid for all loop-free paths from loop head at line 35 to check that procedure precondition always holds at line 36. Annotation is valid for all loop-free paths from entry of procedure __VERIFIER_assert to check that a call to reach_error is unreachable at line 13. Annotation is valid for all loop-free paths from entry of procedure __VERIFIER_assert to exit of procedure __VERIFIER_assert. Annotation is valid for all loop-free paths from loop head at line 40 to check that procedure precondition always holds at line 41. * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11ms. Allocated memory is still 117.4MB. Free memory was 80.0MB in the beginning and 79.9MB in the end (delta: 160.8kB). There was no memory consumed. Max. memory is 16.1GB. * Witness Parser took 0.13ms. Allocated memory is still 157.3MB. Free memory was 88.7MB in the beginning and 88.5MB in the end (delta: 258.7kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 286.08ms. Allocated memory is still 157.3MB. Free memory was 86.4MB in the beginning and 72.2MB in the end (delta: 14.1MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Preprocessor took 42.33ms. Allocated memory is still 157.3MB. Free memory was 72.2MB in the beginning and 70.3MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 422.63ms. Allocated memory is still 157.3MB. Free memory was 70.3MB in the beginning and 125.0MB in the end (delta: -54.7MB). Peak memory consumption was 21.3MB. Max. memory is 16.1GB. * Referee took 467.83ms. Allocated memory is still 157.3MB. Free memory was 125.0MB in the beginning and 67.0MB in the end (delta: 58.0MB). 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 20:49:38,282 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_valuebound2.c ../results/automizer-verification-files/SV-COMP24_unreach-call/fermat1-ll_valuebound2.yml/witness-2.1.yml -s /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Bitvector.epf --cacsl2boogietranslator.entry.function main --traceabstraction.positions.where.we.compute.the.hoare.annotation None --- Real Ultimate output --- This is Ultimate 0.2.4-dev-a9b967e-m [2024-09-11 20:49:40,416 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-11 20:49:40,499 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Bitvector.epf [2024-09-11 20:49:40,505 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-11 20:49:40,507 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-11 20:49:40,542 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-11 20:49:40,542 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-11 20:49:40,543 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-11 20:49:40,544 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-11 20:49:40,546 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-11 20:49:40,546 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-11 20:49:40,546 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-11 20:49:40,547 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-11 20:49:40,551 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-11 20:49:40,551 INFO L153 SettingsManager]: * Use SBE=true [2024-09-11 20:49:40,552 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-11 20:49:40,552 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-11 20:49:40,552 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-11 20:49:40,552 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-11 20:49:40,553 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-11 20:49:40,553 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-11 20:49:40,554 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-11 20:49:40,554 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-11 20:49:40,554 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-09-11 20:49:40,554 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-09-11 20:49:40,555 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-11 20:49:40,555 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-09-11 20:49:40,555 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-11 20:49:40,555 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-11 20:49:40,556 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-11 20:49:40,556 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-11 20:49:40,556 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-11 20:49:40,556 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-11 20:49:40,557 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-11 20:49:40,557 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-11 20:49:40,561 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-11 20:49:40,562 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-11 20:49:40,562 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-11 20:49:40,562 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-09-11 20:49:40,562 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-09-11 20:49:40,562 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-11 20:49:40,563 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-11 20:49:40,563 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-11 20:49:40,563 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-11 20:49:40,563 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2024-09-11 20:49:40,564 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None [2024-09-11 20:49:40,887 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-11 20:49:40,907 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-11 20:49:40,911 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-11 20:49:40,912 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-11 20:49:40,913 INFO L274 PluginConnector]: CDTParser initialized [2024-09-11 20:49:40,915 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/nla-digbench-scaling/fermat1-ll_valuebound2.c [2024-09-11 20:49:42,449 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-11 20:49:42,684 INFO L384 CDTParser]: Found 1 translation units. [2024-09-11 20:49:42,685 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench-scaling/fermat1-ll_valuebound2.c [2024-09-11 20:49:42,693 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/e45f7c453/17c42fce3ab043fdb340f002ad166ee9/FLAGbecdbd710 [2024-09-11 20:49:43,046 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/e45f7c453/17c42fce3ab043fdb340f002ad166ee9 [2024-09-11 20:49:43,048 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-11 20:49:43,049 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-11 20:49:43,051 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/automizer-verification-files/SV-COMP24_unreach-call/fermat1-ll_valuebound2.yml/witness-2.1.yml [2024-09-11 20:49:43,110 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-11 20:49:43,112 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-09-11 20:49:43,114 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-11 20:49:43,115 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-11 20:49:43,119 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-11 20:49:43,120 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.09 08:49:43" (1/2) ... [2024-09-11 20:49:43,121 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7d1ecf10 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:49:43, skipping insertion in model container [2024-09-11 20:49:43,123 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.09 08:49:43" (1/2) ... [2024-09-11 20:49:43,125 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@7205775d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:49:43, skipping insertion in model container [2024-09-11 20:49:43,125 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 08:49:43" (2/2) ... [2024-09-11 20:49:43,125 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7d1ecf10 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 11.09 08:49:43, skipping insertion in model container [2024-09-11 20:49:43,126 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 08:49:43" (2/2) ... [2024-09-11 20:49:43,139 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-11 20:49:43,141 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 20:49:43,141 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 20:49:43,142 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 20:49:43,142 INFO L1541 ArrayList]: Function contract at [L11]: requires (1 <= \old(cond)), ensures (1 <= \old(cond)) [2024-09-11 20:49:43,161 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-11 20:49:43,327 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_valuebound2.c[535,548] [2024-09-11 20:49:43,361 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-11 20:49:43,377 INFO L200 MainTranslator]: Completed pre-run Start Parsing Global Start Parsing Global [2024-09-11 20:49:43,427 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_valuebound2.c[535,548] Start Parsing Local Start Parsing Local Start Parsing Local [2024-09-11 20:49:43,457 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-11 20:49:43,478 INFO L204 MainTranslator]: Completed translation [2024-09-11 20:49:43,479 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 11.09 08:49:43 WrapperNode [2024-09-11 20:49:43,479 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-11 20:49:43,481 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-11 20:49:43,481 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-11 20:49:43,481 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-11 20:49:43,493 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 11.09 08:49:43" (1/1) ... [2024-09-11 20:49:43,494 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 11.09 08:49:43" (1/1) ... [2024-09-11 20:49:43,506 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 11.09 08:49:43" (1/1) ... [2024-09-11 20:49:43,522 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 20:49:43,523 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 11.09 08:49:43" (1/1) ... [2024-09-11 20:49:43,524 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 11.09 08:49:43" (1/1) ... [2024-09-11 20:49:43,534 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 11.09 08:49:43" (1/1) ... [2024-09-11 20:49:43,539 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 11.09 08:49:43" (1/1) ... [2024-09-11 20:49:43,542 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 11.09 08:49:43" (1/1) ... [2024-09-11 20:49:43,546 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 11.09 08:49:43" (1/1) ... [2024-09-11 20:49:43,549 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-11 20:49:43,550 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-11 20:49:43,550 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-11 20:49:43,550 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-11 20:49:43,551 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 11.09 08:49:43" (1/1) ... [2024-09-11 20:49:43,557 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-11 20:49:43,567 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-09-11 20:49:43,585 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 20:49:43,588 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 20:49:43,638 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-09-11 20:49:43,638 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-11 20:49:43,638 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-09-11 20:49:43,638 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-09-11 20:49:43,639 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-09-11 20:49:43,639 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-09-11 20:49:43,639 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-09-11 20:49:43,639 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-09-11 20:49:43,639 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-09-11 20:49:43,639 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-11 20:49:43,640 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2024-09-11 20:49:43,640 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-09-11 20:49:43,640 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-09-11 20:49:43,640 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-09-11 20:49:43,640 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-09-11 20:49:43,640 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-09-11 20:49:43,641 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-11 20:49:43,641 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2024-09-11 20:49:43,641 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2024-09-11 20:49:43,641 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-09-11 20:49:43,723 INFO L242 CfgBuilder]: Building ICFG [2024-09-11 20:49:43,726 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-11 20:49:59,925 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-11 20:50:00,006 INFO L? ?]: Removed 36 outVars from TransFormulas that were not future-live. [2024-09-11 20:50:00,007 INFO L291 CfgBuilder]: Performing block encoding [2024-09-11 20:50:00,034 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-11 20:50:00,034 INFO L318 CfgBuilder]: Removed 3 assume(true) statements. [2024-09-11 20:50:00,034 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.09 08:50:00 BoogieIcfgContainer [2024-09-11 20:50:00,037 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-11 20:50:00,038 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-09-11 20:50:00,038 INFO L270 PluginConnector]: Initializing Referee... [2024-09-11 20:50:00,039 INFO L274 PluginConnector]: Referee initialized [2024-09-11 20:50:00,039 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 11.09 08:49:43" (1/4) ... [2024-09-11 20:50:00,039 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@11752c08 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 11.09 08:50:00, skipping insertion in model container [2024-09-11 20:50:00,039 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 08:49:43" (2/4) ... [2024-09-11 20:50:00,039 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@11752c08 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 11.09 08:50:00, skipping insertion in model container [2024-09-11 20:50:00,039 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 11.09 08:49:43" (3/4) ... [2024-09-11 20:50:00,040 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@11752c08 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 11.09 08:50:00, skipping insertion in model container [2024-09-11 20:50:00,040 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.09 08:50:00" (4/4) ... [2024-09-11 20:50:00,041 INFO L79 RefereeObserver]: Analyzing ICFG fermat1-ll_valuebound2.c [2024-09-11 20:50:00,044 INFO L112 InvariantChecker]: Found 3 loops. [2024-09-11 20:50:00,044 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 20:50:00,044 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 20:50:00,044 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 20:50:00,044 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 20:50:00,044 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 20:50:00,045 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 20:50:00,045 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 20:50:00,045 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 20:50:00,045 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 20:50:00,045 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 20:50:00,045 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 20:50:00,045 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 20:50:00,046 INFO L130 InvariantChecker]: Will check 1 loop-free subgraphs from procedure entry to loop head, 5 loop-free subgraphs from loop head to loop head, 4 loop-free subgraphs from loop head to error location, 2 loop-free subgraphs from procedure entry to error location [2024-09-11 20:50:00,092 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-11 20:50:00,093 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:50:00,093 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:50:00,093 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:50:00,094 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:50:00,096 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:50:00,118 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-11 20:50:00,120 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:50:00,120 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:50:00,120 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:50:00,121 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:50:00,122 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:50:04,277 INFO L510 InvariantChecker]: unknown inductivity: todo good error message [2024-09-11 20:50:04,358 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-11 20:50:04,358 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:50:04,358 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:50:04,358 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:50:04,359 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:50:04,359 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:50:04,366 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-11 20:50:04,368 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:50:04,368 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:50:04,369 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:50:04,369 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:50:04,369 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:50:08,517 INFO L510 InvariantChecker]: unknown inductivity: todo good error message [2024-09-11 20:50:08,583 INFO L314 BlockEncoder]: Initial Icfg 9 locations, 8 edges [2024-09-11 20:50:08,583 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:50:08,583 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:50:08,583 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:50:08,584 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:50:08,584 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:50:08,598 INFO L101 BaseMinimizeStates]: Removed 14 edges and 7 locations by large block encoding [2024-09-11 20:50:08,599 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:50:08,599 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:50:08,599 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:50:08,599 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:50:08,599 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:50:12,659 INFO L510 InvariantChecker]: unknown inductivity: todo good error message [2024-09-11 20:50:12,696 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 7 edges [2024-09-11 20:50:12,696 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:50:12,696 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:50:12,697 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:50:12,697 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:50:12,697 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:50:12,713 INFO L101 BaseMinimizeStates]: Removed 12 edges and 4 locations by large block encoding [2024-09-11 20:50:12,713 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:50:12,713 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:50:12,713 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:50:12,713 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:50:12,716 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:50:12,728 INFO L514 InvariantChecker]: The annotation(s) from loop head L48-2 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-11 20:50:12,746 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 5 edges [2024-09-11 20:50:12,747 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:50:12,747 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:50:12,747 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:50:12,747 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:50:12,747 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:50:12,759 INFO L101 BaseMinimizeStates]: Removed 8 edges and 4 locations by large block encoding [2024-09-11 20:50:12,760 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:50:12,760 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:50:12,760 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:50:12,761 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:50:12,761 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:50:12,763 INFO L514 InvariantChecker]: The annotation(s) from loop head L48-3 to loop head mainErr2ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-11 20:50:12,781 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 5 edges [2024-09-11 20:50:12,782 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:50:12,782 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:50:12,782 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:50:12,782 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:50:12,782 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:50:12,795 INFO L101 BaseMinimizeStates]: Removed 8 edges and 4 locations by large block encoding [2024-09-11 20:50:12,796 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:50:12,796 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:50:12,797 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:50:12,797 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:50:12,797 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:50:17,099 INFO L510 InvariantChecker]: unknown inductivity: todo good error message [2024-09-11 20:50:17,183 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 7 edges [2024-09-11 20:50:17,183 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:50:17,184 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:50:17,184 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:50:17,184 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:50:17,184 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:50:17,194 INFO L101 BaseMinimizeStates]: Removed 12 edges and 4 locations by large block encoding [2024-09-11 20:50:17,195 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:50:17,195 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:50:17,195 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:50:17,196 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:50:17,199 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:50:17,346 INFO L514 InvariantChecker]: The annotation(s) from loop head L48-3 to error location mainErr6REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-11 20:50:17,394 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 7 edges [2024-09-11 20:50:17,394 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:50:17,394 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:50:17,394 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:50:17,394 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:50:17,394 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:50:17,402 INFO L101 BaseMinimizeStates]: Removed 12 edges and 4 locations by large block encoding [2024-09-11 20:50:17,402 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:50:17,402 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:50:17,403 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:50:17,403 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:50:17,403 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:50:17,407 INFO L514 InvariantChecker]: The annotation(s) from loop head L40-3 to loop head mainErr4ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-11 20:50:17,418 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 5 edges [2024-09-11 20:50:17,419 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:50:17,419 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:50:17,419 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:50:17,419 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:50:17,419 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:50:17,428 INFO L101 BaseMinimizeStates]: Removed 8 edges and 4 locations by large block encoding [2024-09-11 20:50:17,429 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:50:17,429 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:50:17,429 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:50:17,429 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:50:17,429 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:50:21,630 INFO L510 InvariantChecker]: unknown inductivity: todo good error message [2024-09-11 20:50:21,714 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 5 edges [2024-09-11 20:50:21,714 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:50:21,714 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:50:21,715 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:50:21,715 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:50:21,715 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:50:21,717 INFO L101 BaseMinimizeStates]: Removed 8 edges and 3 locations by large block encoding [2024-09-11 20:50:21,718 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:50:21,719 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:50:21,719 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:50:21,719 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:50:21,720 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:50:21,725 INFO L514 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-11 20:50:21,735 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-11 20:50:21,735 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:50:21,736 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:50:21,736 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:50:21,736 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:50:21,736 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:50:21,737 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-11 20:50:21,738 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:50:21,738 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:50:21,738 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:50:21,738 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:50:21,738 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:50:21,741 INFO L514 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION is inductive. [2024-09-11 20:50:21,753 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-11 20:50:21,754 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:50:21,754 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:50:21,754 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:50:21,754 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:50:21,754 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:50:21,758 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-11 20:50:21,758 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:50:21,758 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:50:21,759 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:50:21,759 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:50:21,759 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:50:25,907 INFO L510 InvariantChecker]: unknown inductivity: todo good error message [2024-09-11 20:50:25,964 INFO L58 RefereeStarter]: Insufficient resources for checking whether annotation is a valid proof of correctness [2024-09-11 20:50:25,965 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@11752c08 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CFG 11.09 08:50:25, skipping insertion in model container [2024-09-11 20:50:25,965 INFO L131 PluginConnector]: ------------------------ END Referee---------------------------- [2024-09-11 20:50:25,966 INFO L158 Benchmark]: Toolchain (without parser) took 42853.94ms. Allocated memory is still 77.6MB. Free memory was 49.1MB in the beginning and 34.2MB in the end (delta: 14.9MB). Peak memory consumption was 28.5MB. Max. memory is 16.1GB. [2024-09-11 20:50:25,967 INFO L158 Benchmark]: CDTParser took 0.94ms. Allocated memory is still 58.7MB. Free memory was 39.5MB in the beginning and 39.4MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. [2024-09-11 20:50:25,967 INFO L158 Benchmark]: Witness Parser took 0.24ms. Allocated memory is still 77.6MB. Free memory is still 51.1MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-11 20:50:25,967 INFO L158 Benchmark]: CACSL2BoogieTranslator took 365.42ms. Allocated memory is still 77.6MB. Free memory was 48.9MB in the beginning and 53.7MB in the end (delta: -4.8MB). Peak memory consumption was 15.8MB. Max. memory is 16.1GB. [2024-09-11 20:50:25,968 INFO L158 Benchmark]: Boogie Preprocessor took 68.04ms. Allocated memory is still 77.6MB. Free memory was 53.7MB in the beginning and 51.4MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-09-11 20:50:25,968 INFO L158 Benchmark]: RCFGBuilder took 16487.88ms. Allocated memory is still 77.6MB. Free memory was 51.4MB in the beginning and 48.8MB in the end (delta: 2.6MB). Peak memory consumption was 18.3MB. Max. memory is 16.1GB. [2024-09-11 20:50:25,969 INFO L158 Benchmark]: Referee took 25926.90ms. Allocated memory is still 77.6MB. Free memory was 48.8MB in the beginning and 34.2MB in the end (delta: 14.6MB). Peak memory consumption was 25.9MB. Max. memory is 16.1GB. [2024-09-11 20:50:25,972 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.referee: - AnnotationCheckResult: Insufficient resources for checking whether annotation is a valid proof of correctness Insufficient resources for checking whether annotation is a valid proof of correctness Insufficient resources for checking whether annotation is valid for all loop-free paths from loop head at line 35 to check that procedure precondition always holds at line 36. Insufficient resources for checking whether annotation is valid for all loop-free paths from loop head at line 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 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 entry of procedure main to loop head at line 35. Insufficient resources for checking whether annotation is valid for all loop-free paths from loop head at line 40 to loop head at line 40. Insufficient resources for checking whether annotation is valid for all loop-free paths from loop head at line 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 loop head at line 40. Annotation is valid for all loop-free paths from entry of procedure __VERIFIER_assert to exit of procedure __VERIFIER_assert. Annotation is valid for all loop-free paths from loop head at line 48 to loop head at line 35. Annotation is valid for all loop-free paths from entry of procedure __VERIFIER_assert to check that a call to reach_error is unreachable at line 13. Annotation is valid for all loop-free paths from loop head at line 35 to check that procedure precondition always holds at line 35. Annotation is valid for all loop-free paths from loop head at line 40 to loop head at line 48. * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.94ms. Allocated memory is still 58.7MB. Free memory was 39.5MB in the beginning and 39.4MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. * Witness Parser took 0.24ms. Allocated memory is still 77.6MB. Free memory is still 51.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 365.42ms. Allocated memory is still 77.6MB. Free memory was 48.9MB in the beginning and 53.7MB in the end (delta: -4.8MB). Peak memory consumption was 15.8MB. Max. memory is 16.1GB. * Boogie Preprocessor took 68.04ms. Allocated memory is still 77.6MB. Free memory was 53.7MB in the beginning and 51.4MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 16487.88ms. Allocated memory is still 77.6MB. Free memory was 51.4MB in the beginning and 48.8MB in the end (delta: 2.6MB). Peak memory consumption was 18.3MB. Max. memory is 16.1GB. * Referee took 25926.90ms. Allocated memory is still 77.6MB. Free memory was 48.8MB in the beginning and 34.2MB in the end (delta: 14.6MB). Peak memory consumption was 25.9MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-09-11 20:50:26,038 INFO L540 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/referee/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN