./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/nla-digbench/fermat2-ll.c --full-output --witness-type correctness_witness --validate ../results/automizer-verification-files/SV-COMP24_unreach-call/fermat2-ll.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/fermat2-ll.c ../results/automizer-verification-files/SV-COMP24_unreach-call/fermat2-ll.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 20:48:02,275 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-11 20:48:02,352 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Default.epf [2024-09-11 20:48:02,359 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-11 20:48:02,362 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-11 20:48:02,411 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-11 20:48:02,411 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-11 20:48:02,412 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-11 20:48:02,412 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-11 20:48:02,417 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-11 20:48:02,417 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-11 20:48:02,417 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-11 20:48:02,418 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-11 20:48:02,419 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-11 20:48:02,420 INFO L153 SettingsManager]: * Use SBE=true [2024-09-11 20:48:02,420 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-11 20:48:02,420 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-11 20:48:02,421 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-11 20:48:02,421 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-09-11 20:48:02,421 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-11 20:48:02,421 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-11 20:48:02,422 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-11 20:48:02,423 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-11 20:48:02,423 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-11 20:48:02,423 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-11 20:48:02,424 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-11 20:48:02,424 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-11 20:48:02,424 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-11 20:48:02,425 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-11 20:48:02,425 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-11 20:48:02,426 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-11 20:48:02,426 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-11 20:48:02,426 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-11 20:48:02,427 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-11 20:48:02,427 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-11 20:48:02,427 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-11 20:48:02,427 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-09-11 20:48:02,428 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-09-11 20:48:02,428 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-11 20:48:02,428 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-11 20:48:02,428 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-11 20:48:02,429 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-11 20:48:02,429 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None [2024-09-11 20:48:02,664 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-11 20:48:02,688 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-11 20:48:02,691 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-11 20:48:02,692 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-11 20:48:02,693 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-11 20:48:02,694 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/automizer-verification-files/SV-COMP24_unreach-call/fermat2-ll.yml/witness-2.1.yml [2024-09-11 20:48:02,760 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-11 20:48:02,761 INFO L274 PluginConnector]: CDTParser initialized [2024-09-11 20:48:02,761 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/nla-digbench/fermat2-ll.c [2024-09-11 20:48:04,141 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-11 20:48:04,319 INFO L384 CDTParser]: Found 1 translation units. [2024-09-11 20:48:04,320 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench/fermat2-ll.c [2024-09-11 20:48:04,325 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/3439bc11e/feb16bb1ac1c4be4b44e8338bec6c553/FLAGbdc1490cf [2024-09-11 20:48:04,344 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/3439bc11e/feb16bb1ac1c4be4b44e8338bec6c553 [2024-09-11 20:48:04,344 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-11 20:48:04,345 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-09-11 20:48:04,347 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-11 20:48:04,347 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-11 20:48:04,352 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-11 20:48:04,352 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 08:48:02" (1/2) ... [2024-09-11 20:48:04,353 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@af9881a and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 11.09 08:48:04, skipping insertion in model container [2024-09-11 20:48:04,353 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 08:48:02" (1/2) ... [2024-09-11 20:48:04,355 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@8b87216 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 11.09 08:48:04, skipping insertion in model container [2024-09-11 20:48:04,355 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.09 08:48:04" (2/2) ... [2024-09-11 20:48:04,355 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@af9881a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:48:04, skipping insertion in model container [2024-09-11 20:48:04,356 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.09 08:48:04" (2/2) ... [2024-09-11 20:48:04,366 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-11 20:48:04,367 INFO L1541 ArrayList]: Loop invariant at [L33-L44] ((((((long long) A * 4) + ((__int128) r * 4)) + ((__int128) v * v)) + ((__int128) 2 * u)) == (((__int128) 2 * v) + ((__int128) u * u))) [2024-09-11 20:48:04,367 INFO L1541 ArrayList]: Function contract at [L11]: requires (1 <= \old(cond)), ensures (1 <= \old(cond)) [2024-09-11 20:48:04,384 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-11 20:48:04,590 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/fermat2-ll.c[524,537] [2024-09-11 20:48:04,612 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-11 20:48:04,621 INFO L200 MainTranslator]: Completed pre-run Start Parsing Global Start Parsing Global [2024-09-11 20:48:04,658 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/fermat2-ll.c[524,537] Start Parsing Local [2024-09-11 20:48:04,672 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-11 20:48:04,699 INFO L204 MainTranslator]: Completed translation [2024-09-11 20:48:04,699 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:48:04 WrapperNode [2024-09-11 20:48:04,699 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-11 20:48:04,700 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-11 20:48:04,700 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-11 20:48:04,701 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-11 20:48:04,714 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:48:04" (1/1) ... [2024-09-11 20:48:04,714 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:48:04" (1/1) ... [2024-09-11 20:48:04,721 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:48:04" (1/1) ... [2024-09-11 20:48:04,735 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 20:48:04,735 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:48:04" (1/1) ... [2024-09-11 20:48:04,735 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:48:04" (1/1) ... [2024-09-11 20:48:04,740 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:48:04" (1/1) ... [2024-09-11 20:48:04,744 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:48:04" (1/1) ... [2024-09-11 20:48:04,745 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:48:04" (1/1) ... [2024-09-11 20:48:04,750 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:48:04" (1/1) ... [2024-09-11 20:48:04,751 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-11 20:48:04,752 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-11 20:48:04,752 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-11 20:48:04,752 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-11 20:48:04,753 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:48:04" (1/1) ... [2024-09-11 20:48:04,759 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-11 20:48:04,767 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-09-11 20:48:04,783 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 20:48:04,789 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 20:48:04,831 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-09-11 20:48:04,832 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-11 20:48:04,832 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-09-11 20:48:04,832 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-09-11 20:48:04,832 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-09-11 20:48:04,834 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-09-11 20:48:04,834 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-09-11 20:48:04,834 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-09-11 20:48:04,834 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-09-11 20:48:04,834 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-11 20:48:04,835 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2024-09-11 20:48:04,835 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-09-11 20:48:04,835 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-09-11 20:48:04,835 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-09-11 20:48:04,835 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-09-11 20:48:04,836 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-09-11 20:48:04,836 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-11 20:48:04,836 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-09-11 20:48:04,836 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-09-11 20:48:04,836 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-09-11 20:48:04,905 INFO L242 CfgBuilder]: Building ICFG [2024-09-11 20:48:04,910 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-11 20:48:05,062 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-11 20:48:05,100 INFO L? ?]: Removed 20 outVars from TransFormulas that were not future-live. [2024-09-11 20:48:05,100 INFO L291 CfgBuilder]: Performing block encoding [2024-09-11 20:48:05,122 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-11 20:48:05,123 INFO L318 CfgBuilder]: Removed 1 assume(true) statements. [2024-09-11 20:48:05,123 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.09 08:48:05 BoogieIcfgContainer [2024-09-11 20:48:05,124 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-11 20:48:05,125 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-09-11 20:48:05,125 INFO L270 PluginConnector]: Initializing Referee... [2024-09-11 20:48:05,126 INFO L274 PluginConnector]: Referee initialized [2024-09-11 20:48:05,126 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 08:48:02" (1/4) ... [2024-09-11 20:48:05,128 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@9739d8f and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 11.09 08:48:05, skipping insertion in model container [2024-09-11 20:48:05,128 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 11.09 08:48:04" (2/4) ... [2024-09-11 20:48:05,128 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@9739d8f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 11.09 08:48:05, skipping insertion in model container [2024-09-11 20:48:05,129 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:48:04" (3/4) ... [2024-09-11 20:48:05,129 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@9739d8f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 11.09 08:48:05, skipping insertion in model container [2024-09-11 20:48:05,129 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.09 08:48:05" (4/4) ... [2024-09-11 20:48:05,131 INFO L79 RefereeObserver]: Analyzing ICFG fermat2-ll.c [2024-09-11 20:48:05,136 INFO L112 InvariantChecker]: Found 1 loops. [2024-09-11 20:48:05,136 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L37-2 to ERROR_LOC mainErr2REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 7 edges. [2024-09-11 20:48:05,137 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L37-2 to ERROR_LOC mainErr1REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 3 edges. [2024-09-11 20:48:05,137 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 5 edges. [2024-09-11 20:48:05,137 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L37-2 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 7 edges. [2024-09-11 20:48:05,137 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 20:48:05,137 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 20:48:05,138 INFO L130 InvariantChecker]: Will check 1 loop-free subgraphs from procedure entry to loop head, 2 loop-free subgraphs from loop head to error location, 2 loop-free subgraphs from procedure entry to error location, 1 loop-free subgraphs from loop head to loop head [2024-09-11 20:48:05,187 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 7 edges [2024-09-11 20:48:05,190 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:48:05,191 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:48:05,192 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:48:05,193 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:48:05,195 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:48:05,232 INFO L101 BaseMinimizeStates]: Removed 12 edges and 4 locations by large block encoding [2024-09-11 20:48:05,233 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:48:05,233 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:48:05,235 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:48:05,235 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:48:05,248 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:48:05,272 INFO L514 InvariantChecker]: The annotation(s) from loop head L37-2 to error location mainErr2REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-11 20:48:05,298 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-11 20:48:05,298 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:48:05,298 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:48:05,298 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:48:05,299 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:48:05,299 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:48:05,303 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-11 20:48:05,306 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:48:05,306 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:48:05,307 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:48:05,307 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:48:05,307 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:48:05,310 INFO L514 InvariantChecker]: The annotation(s) from loop head L37-2 to error location mainErr1REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-11 20:48:05,329 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 5 edges [2024-09-11 20:48:05,329 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:48:05,329 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:48:05,330 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:48:05,330 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:48:05,330 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:48:05,353 INFO L101 BaseMinimizeStates]: Removed 8 edges and 4 locations by large block encoding [2024-09-11 20:48:05,353 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:48:05,353 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:48:05,354 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:48:05,354 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:48:05,355 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:48:05,360 INFO L514 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-11 20:48:05,376 INFO L314 BlockEncoder]: Initial Icfg 7 locations, 7 edges [2024-09-11 20:48:05,376 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:48:05,377 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:48:05,377 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:48:05,378 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:48:05,378 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:48:05,401 INFO L101 BaseMinimizeStates]: Removed 12 edges and 5 locations by large block encoding [2024-09-11 20:48:05,401 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:48:05,401 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:48:05,402 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:48:05,402 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:48:05,404 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:48:05,406 INFO L514 InvariantChecker]: The annotation(s) from loop head L37-2 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-11 20:48:05,422 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 5 edges [2024-09-11 20:48:05,422 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:48:05,422 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:48:05,423 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:48:05,423 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:48:05,423 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:48:05,426 INFO L101 BaseMinimizeStates]: Removed 8 edges and 3 locations by large block encoding [2024-09-11 20:48:05,427 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:48:05,427 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:48:05,428 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:48:05,428 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:48:05,429 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:48:05,432 INFO L514 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-11 20:48:05,445 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-11 20:48:05,446 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:48:05,446 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:48:05,446 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:48:05,446 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:48:05,447 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:48:05,449 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-11 20:48:05,449 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:48:05,450 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:48:05,450 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:48:05,450 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:48:05,450 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:48:05,452 INFO L514 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION is inductive. [2024-09-11 20:48:05,455 INFO L58 RefereeStarter]: Annotation is a valid proof of correctness [2024-09-11 20:48:05,455 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@9739d8f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee CFG 11.09 08:48:05, skipping insertion in model container [2024-09-11 20:48:05,455 INFO L131 PluginConnector]: ------------------------ END Referee---------------------------- [2024-09-11 20:48:05,457 INFO L158 Benchmark]: Toolchain (without parser) took 1111.37ms. Allocated memory was 134.2MB in the beginning and 188.7MB in the end (delta: 54.5MB). Free memory was 61.5MB in the beginning and 115.9MB in the end (delta: -54.3MB). Peak memory consumption was 2.9MB. Max. memory is 16.1GB. [2024-09-11 20:48:05,457 INFO L158 Benchmark]: Witness Parser took 0.65ms. Allocated memory is still 134.2MB. Free memory was 86.4MB in the beginning and 86.3MB in the end (delta: 134.3kB). There was no memory consumed. Max. memory is 16.1GB. [2024-09-11 20:48:05,458 INFO L158 Benchmark]: CDTParser took 0.16ms. Allocated memory is still 134.2MB. Free memory is still 106.5MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-11 20:48:05,458 INFO L158 Benchmark]: CACSL2BoogieTranslator took 353.14ms. Allocated memory was 134.2MB in the beginning and 188.7MB in the end (delta: 54.5MB). Free memory was 61.2MB in the beginning and 157.8MB in the end (delta: -96.6MB). Peak memory consumption was 14.1MB. Max. memory is 16.1GB. [2024-09-11 20:48:05,459 INFO L158 Benchmark]: Boogie Preprocessor took 51.16ms. Allocated memory is still 188.7MB. Free memory was 157.8MB in the beginning and 155.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-09-11 20:48:05,461 INFO L158 Benchmark]: RCFGBuilder took 372.14ms. Allocated memory is still 188.7MB. Free memory was 155.7MB in the beginning and 140.0MB in the end (delta: 15.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-09-11 20:48:05,462 INFO L158 Benchmark]: Referee took 330.76ms. Allocated memory is still 188.7MB. Free memory was 140.0MB in the beginning and 115.9MB in the end (delta: 24.1MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-09-11 20:48:05,467 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.referee: - AnnotationCheckResult: Annotation is a valid proof of correctness Annotation is a valid proof of correctness Annotation is valid for all loop-free paths from entry of procedure main to loop head at line 33. Annotation is valid for all loop-free paths from loop head at line 33 to check that procedure precondition always holds at line 33. 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 33 to check that procedure precondition always holds at line 34. 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 33 to loop head at line 33. * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Witness Parser took 0.65ms. Allocated memory is still 134.2MB. Free memory was 86.4MB in the beginning and 86.3MB in the end (delta: 134.3kB). There was no memory consumed. Max. memory is 16.1GB. * CDTParser took 0.16ms. Allocated memory is still 134.2MB. Free memory is still 106.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 353.14ms. Allocated memory was 134.2MB in the beginning and 188.7MB in the end (delta: 54.5MB). Free memory was 61.2MB in the beginning and 157.8MB in the end (delta: -96.6MB). Peak memory consumption was 14.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 51.16ms. Allocated memory is still 188.7MB. Free memory was 157.8MB in the beginning and 155.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 372.14ms. Allocated memory is still 188.7MB. Free memory was 155.7MB in the beginning and 140.0MB in the end (delta: 15.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Referee took 330.76ms. Allocated memory is still 188.7MB. Free memory was 140.0MB in the beginning and 115.9MB in the end (delta: 24.1MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-09-11 20:48:05,498 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/fermat2-ll.c ../results/automizer-verification-files/SV-COMP24_unreach-call/fermat2-ll.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 20:48:07,673 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-11 20:48:07,758 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Bitvector.epf [2024-09-11 20:48:07,763 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-11 20:48:07,764 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-11 20:48:07,797 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-11 20:48:07,798 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-11 20:48:07,798 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-11 20:48:07,799 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-11 20:48:07,799 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-11 20:48:07,799 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-11 20:48:07,799 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-11 20:48:07,800 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-11 20:48:07,803 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-11 20:48:07,804 INFO L153 SettingsManager]: * Use SBE=true [2024-09-11 20:48:07,804 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-11 20:48:07,804 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-11 20:48:07,805 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-11 20:48:07,807 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-11 20:48:07,807 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-11 20:48:07,807 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-11 20:48:07,808 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-11 20:48:07,811 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-11 20:48:07,812 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-09-11 20:48:07,812 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-09-11 20:48:07,812 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-11 20:48:07,812 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-09-11 20:48:07,813 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-11 20:48:07,813 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-11 20:48:07,813 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-11 20:48:07,813 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-11 20:48:07,814 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-11 20:48:07,814 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-11 20:48:07,814 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-11 20:48:07,814 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-11 20:48:07,815 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-11 20:48:07,815 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-11 20:48:07,815 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-11 20:48:07,815 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-09-11 20:48:07,815 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-09-11 20:48:07,816 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-11 20:48:07,818 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-11 20:48:07,818 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-11 20:48:07,818 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-11 20:48:07,818 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2024-09-11 20:48:07,819 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None [2024-09-11 20:48:08,157 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-11 20:48:08,181 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-11 20:48:08,185 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-11 20:48:08,186 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-11 20:48:08,188 INFO L274 PluginConnector]: CDTParser initialized [2024-09-11 20:48:08,189 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/nla-digbench/fermat2-ll.c [2024-09-11 20:48:09,729 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-11 20:48:09,943 INFO L384 CDTParser]: Found 1 translation units. [2024-09-11 20:48:09,944 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench/fermat2-ll.c [2024-09-11 20:48:09,956 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/0a70f9d22/e5fc0db9a2794ac3860196cd6aa1b952/FLAG0df3f556b [2024-09-11 20:48:10,303 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/0a70f9d22/e5fc0db9a2794ac3860196cd6aa1b952 [2024-09-11 20:48:10,305 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-11 20:48:10,305 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-11 20:48:10,306 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/automizer-verification-files/SV-COMP24_unreach-call/fermat2-ll.yml/witness-2.1.yml [2024-09-11 20:48:10,352 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-11 20:48:10,353 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-09-11 20:48:10,354 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-11 20:48:10,354 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-11 20:48:10,360 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-11 20:48:10,361 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.09 08:48:10" (1/2) ... [2024-09-11 20:48:10,362 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@427f5e55 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:48:10, skipping insertion in model container [2024-09-11 20:48:10,365 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.09 08:48:10" (1/2) ... [2024-09-11 20:48:10,366 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@11c28ef8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:48:10, skipping insertion in model container [2024-09-11 20:48:10,367 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 08:48:10" (2/2) ... [2024-09-11 20:48:10,367 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@427f5e55 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 11.09 08:48:10, skipping insertion in model container [2024-09-11 20:48:10,367 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 08:48:10" (2/2) ... [2024-09-11 20:48:10,375 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-11 20:48:10,376 INFO L1541 ArrayList]: Loop invariant at [L33-L44] ((((((long long) A * 4) + ((__int128) r * 4)) + ((__int128) v * v)) + ((__int128) 2 * u)) == (((__int128) 2 * v) + ((__int128) u * u))) [2024-09-11 20:48:10,376 INFO L1541 ArrayList]: Function contract at [L11]: requires (1 <= \old(cond)), ensures (1 <= \old(cond)) [2024-09-11 20:48:10,395 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-11 20:48:10,564 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/fermat2-ll.c[524,537] [2024-09-11 20:48:10,596 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-11 20:48:10,608 INFO L200 MainTranslator]: Completed pre-run Start Parsing Global Start Parsing Global [2024-09-11 20:48:10,645 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/fermat2-ll.c[524,537] Start Parsing Local [2024-09-11 20:48:10,663 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-11 20:48:10,682 INFO L204 MainTranslator]: Completed translation [2024-09-11 20:48:10,683 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 11.09 08:48:10 WrapperNode [2024-09-11 20:48:10,683 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-11 20:48:10,684 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-11 20:48:10,685 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-11 20:48:10,685 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-11 20:48:10,698 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 08:48:10" (1/1) ... [2024-09-11 20:48:10,698 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 08:48:10" (1/1) ... [2024-09-11 20:48:10,717 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 08:48:10" (1/1) ... [2024-09-11 20:48:10,731 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 20:48:10,731 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 08:48:10" (1/1) ... [2024-09-11 20:48:10,731 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 08:48:10" (1/1) ... [2024-09-11 20:48:10,744 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 08:48:10" (1/1) ... [2024-09-11 20:48:10,748 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 08:48:10" (1/1) ... [2024-09-11 20:48:10,749 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 08:48:10" (1/1) ... [2024-09-11 20:48:10,752 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 08:48:10" (1/1) ... [2024-09-11 20:48:10,754 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-11 20:48:10,754 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-11 20:48:10,755 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-11 20:48:10,755 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-11 20:48:10,759 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 08:48:10" (1/1) ... [2024-09-11 20:48:10,767 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-11 20:48:10,776 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-09-11 20:48:10,793 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 20:48:10,802 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 20:48:10,849 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-09-11 20:48:10,849 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-11 20:48:10,851 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-09-11 20:48:10,851 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-09-11 20:48:10,851 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-09-11 20:48:10,851 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-09-11 20:48:10,852 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-09-11 20:48:10,852 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-09-11 20:48:10,852 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-09-11 20:48:10,852 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-11 20:48:10,852 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2024-09-11 20:48:10,852 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-09-11 20:48:10,853 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-09-11 20:48:10,853 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-09-11 20:48:10,853 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-09-11 20:48:10,853 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-09-11 20:48:10,853 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-11 20:48:10,854 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2024-09-11 20:48:10,854 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2024-09-11 20:48:10,854 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-09-11 20:48:10,936 INFO L242 CfgBuilder]: Building ICFG [2024-09-11 20:48:10,939 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-11 20:48:16,495 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-11 20:48:16,583 INFO L? ?]: Removed 20 outVars from TransFormulas that were not future-live. [2024-09-11 20:48:16,584 INFO L291 CfgBuilder]: Performing block encoding [2024-09-11 20:48:16,610 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-11 20:48:16,610 INFO L318 CfgBuilder]: Removed 1 assume(true) statements. [2024-09-11 20:48:16,611 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.09 08:48:16 BoogieIcfgContainer [2024-09-11 20:48:16,611 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-11 20:48:16,612 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-09-11 20:48:16,612 INFO L270 PluginConnector]: Initializing Referee... [2024-09-11 20:48:16,613 INFO L274 PluginConnector]: Referee initialized [2024-09-11 20:48:16,613 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 11.09 08:48:10" (1/4) ... [2024-09-11 20:48:16,616 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@4b9eefbc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 11.09 08:48:16, skipping insertion in model container [2024-09-11 20:48:16,616 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 08:48:10" (2/4) ... [2024-09-11 20:48:16,617 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@4b9eefbc and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 11.09 08:48:16, skipping insertion in model container [2024-09-11 20:48:16,617 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 08:48:10" (3/4) ... [2024-09-11 20:48:16,617 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@4b9eefbc and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 11.09 08:48:16, skipping insertion in model container [2024-09-11 20:48:16,617 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 08:48:16" (4/4) ... [2024-09-11 20:48:16,619 INFO L79 RefereeObserver]: Analyzing ICFG fermat2-ll.c [2024-09-11 20:48:16,625 INFO L112 InvariantChecker]: Found 1 loops. [2024-09-11 20:48:16,626 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L37-2 to ERROR_LOC mainErr2REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 7 edges. [2024-09-11 20:48:16,626 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L37-2 to ERROR_LOC mainErr1REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 3 edges. [2024-09-11 20:48:16,626 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 5 edges. [2024-09-11 20:48:16,627 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L37-2 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 7 edges. [2024-09-11 20:48:16,627 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 20:48:16,627 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 20:48:16,628 INFO L130 InvariantChecker]: Will check 1 loop-free subgraphs from procedure entry to loop head, 2 loop-free subgraphs from procedure entry to error location, 1 loop-free subgraphs from loop head to loop head, 2 loop-free subgraphs from loop head to error location [2024-09-11 20:48:16,698 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 7 edges [2024-09-11 20:48:16,699 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:48:16,699 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:48:16,700 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:48:16,702 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:48:16,704 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:48:16,747 INFO L101 BaseMinimizeStates]: Removed 12 edges and 4 locations by large block encoding [2024-09-11 20:48:16,749 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:48:16,749 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:48:16,749 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:48:16,749 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:48:16,774 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:48:16,923 INFO L514 InvariantChecker]: The annotation(s) from loop head L37-2 to error location mainErr2REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-11 20:48:16,980 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-11 20:48:16,980 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:48:16,980 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:48:16,980 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:48:16,981 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:48:16,981 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:48:16,988 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-11 20:48:16,988 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:48:16,988 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:48:16,988 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:48:16,988 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:48:16,988 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:48:21,116 INFO L510 InvariantChecker]: unknown inductivity: todo good error message [2024-09-11 20:48:21,171 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 5 edges [2024-09-11 20:48:21,172 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:48:21,172 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:48:21,172 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:48:21,172 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:48:21,172 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:48:21,197 INFO L101 BaseMinimizeStates]: Removed 8 edges and 4 locations by large block encoding [2024-09-11 20:48:21,198 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:48:21,198 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:48:21,198 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:48:21,198 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:48:21,198 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:48:25,265 INFO L510 InvariantChecker]: unknown inductivity: todo good error message [2024-09-11 20:48:25,302 INFO L314 BlockEncoder]: Initial Icfg 7 locations, 7 edges [2024-09-11 20:48:25,302 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:48:25,302 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:48:25,302 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:48:25,303 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:48:25,303 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:48:25,346 INFO L101 BaseMinimizeStates]: Removed 12 edges and 5 locations by large block encoding [2024-09-11 20:48:25,346 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:48:25,346 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:48:25,347 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:48:25,347 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:48:25,354 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:48:29,736 INFO L510 InvariantChecker]: unknown inductivity: todo good error message [2024-09-11 20:48:29,834 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 5 edges [2024-09-11 20:48:29,834 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:48:29,835 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:48:29,835 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:48:29,835 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:48:29,835 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:48:29,845 INFO L101 BaseMinimizeStates]: Removed 8 edges and 3 locations by large block encoding [2024-09-11 20:48:29,845 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:48:29,845 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:48:29,846 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:48:29,846 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:48:29,846 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:48:29,848 INFO L514 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-11 20:48:29,856 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-11 20:48:29,857 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:48:29,857 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:48:29,857 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:48:29,857 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:48:29,857 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:48:29,858 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-11 20:48:29,859 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:48:29,859 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:48:29,859 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:48:29,859 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:48:29,859 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:48:29,861 INFO L514 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION is inductive. [2024-09-11 20:48:29,864 INFO L58 RefereeStarter]: Insufficient resources for checking whether annotation is a valid proof of correctness [2024-09-11 20:48:29,864 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@4b9eefbc and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CFG 11.09 08:48:29, skipping insertion in model container [2024-09-11 20:48:29,864 INFO L131 PluginConnector]: ------------------------ END Referee---------------------------- [2024-09-11 20:48:29,866 INFO L158 Benchmark]: Toolchain (without parser) took 19511.75ms. Allocated memory was 73.4MB in the beginning and 98.6MB in the end (delta: 25.2MB). Free memory was 49.1MB in the beginning and 72.3MB in the end (delta: -23.2MB). Peak memory consumption was 34.4MB. Max. memory is 16.1GB. [2024-09-11 20:48:29,866 INFO L158 Benchmark]: CDTParser took 0.86ms. Allocated memory is still 73.4MB. Free memory is still 52.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-11 20:48:29,867 INFO L158 Benchmark]: Witness Parser took 0.11ms. Allocated memory is still 73.4MB. Free memory is still 51.0MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-11 20:48:29,867 INFO L158 Benchmark]: CACSL2BoogieTranslator took 329.31ms. Allocated memory is still 73.4MB. Free memory was 48.9MB in the beginning and 34.9MB in the end (delta: 14.0MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-09-11 20:48:29,868 INFO L158 Benchmark]: Boogie Preprocessor took 69.59ms. Allocated memory was 73.4MB in the beginning and 98.6MB in the end (delta: 25.2MB). Free memory was 34.9MB in the beginning and 77.5MB in the end (delta: -42.7MB). Peak memory consumption was 3.0MB. Max. memory is 16.1GB. [2024-09-11 20:48:29,868 INFO L158 Benchmark]: RCFGBuilder took 5856.56ms. Allocated memory is still 98.6MB. Free memory was 77.5MB in the beginning and 60.4MB in the end (delta: 17.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-09-11 20:48:29,869 INFO L158 Benchmark]: Referee took 13252.84ms. Allocated memory is still 98.6MB. Free memory was 60.4MB in the beginning and 72.3MB in the end (delta: -11.9MB). Peak memory consumption was 20.9MB. Max. memory is 16.1GB. [2024-09-11 20:48:29,871 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.referee: - AnnotationCheckResult: Insufficient resources for checking whether annotation is a valid proof of correctness Insufficient resources for checking whether annotation is a valid proof of correctness Insufficient resources for checking whether annotation is valid for all loop-free paths from entry of procedure main to loop head at line 33. Insufficient resources for checking whether annotation is valid for all loop-free paths from loop head at line 33 to check that procedure precondition always holds at line 34. Insufficient resources for checking whether annotation is valid for all loop-free paths from loop head at line 33 to loop head at line 33. 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 33 to check that procedure precondition always holds at line 33. Annotation is valid for all loop-free paths from entry of procedure __VERIFIER_assert to exit of procedure __VERIFIER_assert. * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.86ms. Allocated memory is still 73.4MB. Free memory is still 52.2MB. There was no memory consumed. Max. memory is 16.1GB. * Witness Parser took 0.11ms. Allocated memory is still 73.4MB. Free memory is still 51.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 329.31ms. Allocated memory is still 73.4MB. Free memory was 48.9MB in the beginning and 34.9MB in the end (delta: 14.0MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Preprocessor took 69.59ms. Allocated memory was 73.4MB in the beginning and 98.6MB in the end (delta: 25.2MB). Free memory was 34.9MB in the beginning and 77.5MB in the end (delta: -42.7MB). Peak memory consumption was 3.0MB. Max. memory is 16.1GB. * RCFGBuilder took 5856.56ms. Allocated memory is still 98.6MB. Free memory was 77.5MB in the beginning and 60.4MB in the end (delta: 17.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Referee took 13252.84ms. Allocated memory is still 98.6MB. Free memory was 60.4MB in the beginning and 72.3MB in the end (delta: -11.9MB). Peak memory consumption was 20.9MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-09-11 20:48:29,972 INFO L552 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/referee/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN