./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/nla-digbench-scaling/fermat2-ll_valuebound1.c --full-output --witness-type correctness_witness --validate ../results/automizer-verification-files/SV-COMP24_unreach-call/fermat2-ll_valuebound1.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/fermat2-ll_valuebound1.c ../results/automizer-verification-files/SV-COMP24_unreach-call/fermat2-ll_valuebound1.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 20:49:49,312 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-11 20:49:49,374 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Default.epf [2024-09-11 20:49:49,380 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-11 20:49:49,381 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-11 20:49:49,404 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-11 20:49:49,405 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-11 20:49:49,405 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-11 20:49:49,406 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-11 20:49:49,409 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-11 20:49:49,409 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-11 20:49:49,409 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-11 20:49:49,409 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-11 20:49:49,410 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-11 20:49:49,410 INFO L153 SettingsManager]: * Use SBE=true [2024-09-11 20:49:49,410 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-11 20:49:49,410 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-11 20:49:49,410 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-11 20:49:49,411 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-09-11 20:49:49,411 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-11 20:49:49,411 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-11 20:49:49,413 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-11 20:49:49,413 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-11 20:49:49,414 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-11 20:49:49,414 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-11 20:49:49,414 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-11 20:49:49,414 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-11 20:49:49,414 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-11 20:49:49,415 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-11 20:49:49,415 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-11 20:49:49,415 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-11 20:49:49,415 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-11 20:49:49,415 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-11 20:49:49,415 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-11 20:49:49,416 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-11 20:49:49,416 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-11 20:49:49,416 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-09-11 20:49:49,416 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-09-11 20:49:49,416 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-11 20:49:49,416 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-11 20:49:49,416 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-11 20:49:49,418 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-11 20:49:49,418 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None [2024-09-11 20:49:49,602 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-11 20:49:49,622 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-11 20:49:49,625 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-11 20:49:49,626 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-11 20:49:49,627 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-11 20:49:49,629 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/automizer-verification-files/SV-COMP24_unreach-call/fermat2-ll_valuebound1.yml/witness-2.1.yml [2024-09-11 20:49:49,692 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-11 20:49:49,693 INFO L274 PluginConnector]: CDTParser initialized [2024-09-11 20:49:49,693 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/nla-digbench-scaling/fermat2-ll_valuebound1.c [2024-09-11 20:49:51,018 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-11 20:49:51,170 INFO L384 CDTParser]: Found 1 translation units. [2024-09-11 20:49:51,171 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench-scaling/fermat2-ll_valuebound1.c [2024-09-11 20:49:51,177 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/df9295285/1273dc6686e04c41b1bcab325ecfdaf7/FLAG6776d0089 [2024-09-11 20:49:51,581 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/df9295285/1273dc6686e04c41b1bcab325ecfdaf7 [2024-09-11 20:49:51,582 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-11 20:49:51,583 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-09-11 20:49:51,584 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-11 20:49:51,584 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-11 20:49:51,588 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-11 20:49:51,589 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 08:49:49" (1/2) ... [2024-09-11 20:49:51,590 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@619f1e7c and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 11.09 08:49:51, skipping insertion in model container [2024-09-11 20:49:51,590 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 08:49:49" (1/2) ... [2024-09-11 20:49:51,591 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@5a9a9fae and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 11.09 08:49:51, skipping insertion in model container [2024-09-11 20:49:51,591 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.09 08:49:51" (2/2) ... [2024-09-11 20:49:51,591 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@619f1e7c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:49:51, skipping insertion in model container [2024-09-11 20:49:51,591 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.09 08:49:51" (2/2) ... [2024-09-11 20:49:51,600 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-11 20:49:51,601 INFO L1541 ArrayList]: Loop invariant at [L35-L46] ((((((long long) A * 4) + ((__int128) r * 4)) + ((__int128) v * v)) + ((__int128) 2 * u)) == (((__int128) 2 * v) + ((__int128) u * u))) [2024-09-11 20:49:51,601 INFO L1541 ArrayList]: Function contract at [L11]: requires (1 <= \old(cond)), ensures (1 <= \old(cond)) [2024-09-11 20:49:51,615 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-11 20:49:51,748 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/fermat2-ll_valuebound1.c[524,537] [2024-09-11 20:49:51,773 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-11 20:49:51,807 INFO L200 MainTranslator]: Completed pre-run Start Parsing Global Start Parsing Global [2024-09-11 20:49:51,884 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/fermat2-ll_valuebound1.c[524,537] Start Parsing Local [2024-09-11 20:49:51,896 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-11 20:49:51,911 INFO L204 MainTranslator]: Completed translation [2024-09-11 20:49:51,911 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:49:51 WrapperNode [2024-09-11 20:49:51,911 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-11 20:49:51,912 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-11 20:49:51,912 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-11 20:49:51,912 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-11 20:49:51,923 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:49:51" (1/1) ... [2024-09-11 20:49:51,924 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:49:51" (1/1) ... [2024-09-11 20:49:51,928 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:49:51" (1/1) ... [2024-09-11 20:49:51,936 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 20:49:51,936 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:49:51" (1/1) ... [2024-09-11 20:49:51,936 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:49:51" (1/1) ... [2024-09-11 20:49:51,939 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:49:51" (1/1) ... [2024-09-11 20:49:51,947 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:49:51" (1/1) ... [2024-09-11 20:49:51,948 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:49:51" (1/1) ... [2024-09-11 20:49:51,949 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:49:51" (1/1) ... [2024-09-11 20:49:51,950 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-11 20:49:51,951 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-11 20:49:51,951 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-11 20:49:51,951 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-11 20:49:51,952 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:49:51" (1/1) ... [2024-09-11 20:49:51,956 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-11 20:49:51,962 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-09-11 20:49:51,975 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 20:49:51,977 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 20:49:52,008 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-09-11 20:49:52,009 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-11 20:49:52,009 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-09-11 20:49:52,009 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-09-11 20:49:52,009 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-09-11 20:49:52,009 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-09-11 20:49:52,009 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-09-11 20:49:52,009 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-09-11 20:49:52,009 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-09-11 20:49:52,009 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-11 20:49:52,010 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2024-09-11 20:49:52,010 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-09-11 20:49:52,010 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-09-11 20:49:52,010 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-09-11 20:49:52,010 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-09-11 20:49:52,010 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-09-11 20:49:52,010 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-11 20:49:52,010 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-09-11 20:49:52,010 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-09-11 20:49:52,011 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-09-11 20:49:52,064 INFO L242 CfgBuilder]: Building ICFG [2024-09-11 20:49:52,069 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-11 20:49:52,200 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-11 20:49:52,254 INFO L? ?]: Removed 20 outVars from TransFormulas that were not future-live. [2024-09-11 20:49:52,255 INFO L291 CfgBuilder]: Performing block encoding [2024-09-11 20:49:52,280 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-11 20:49:52,280 INFO L318 CfgBuilder]: Removed 1 assume(true) statements. [2024-09-11 20:49:52,280 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.09 08:49:52 BoogieIcfgContainer [2024-09-11 20:49:52,280 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-11 20:49:52,281 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-09-11 20:49:52,281 INFO L270 PluginConnector]: Initializing Referee... [2024-09-11 20:49:52,281 INFO L274 PluginConnector]: Referee initialized [2024-09-11 20:49:52,281 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 08:49:49" (1/4) ... [2024-09-11 20:49:52,282 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@256f996d and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 11.09 08:49:52, skipping insertion in model container [2024-09-11 20:49:52,282 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 11.09 08:49:51" (2/4) ... [2024-09-11 20:49:52,282 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@256f996d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 11.09 08:49:52, skipping insertion in model container [2024-09-11 20:49:52,282 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:49:51" (3/4) ... [2024-09-11 20:49:52,284 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@256f996d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 11.09 08:49:52, skipping insertion in model container [2024-09-11 20:49:52,285 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.09 08:49:52" (4/4) ... [2024-09-11 20:49:52,286 INFO L79 RefereeObserver]: Analyzing ICFG fermat2-ll_valuebound1.c [2024-09-11 20:49:52,289 INFO L112 InvariantChecker]: Found 1 loops. [2024-09-11 20:49:52,290 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L39-2 to ERROR_LOC mainErr2REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 7 edges. [2024-09-11 20:49:52,290 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L39-2 to ERROR_LOC mainErr1REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 3 edges. [2024-09-11 20:49:52,290 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 20:49:52,290 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L39-2 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 7 edges. [2024-09-11 20:49:52,291 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 20:49:52,291 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 20:49:52,291 INFO L130 InvariantChecker]: Will check 1 loop-free subgraphs from loop head to loop head, 2 loop-free subgraphs from loop head to error location, 1 loop-free subgraphs from procedure entry to loop head, 2 loop-free subgraphs from procedure entry to error location [2024-09-11 20:49:52,334 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 7 edges [2024-09-11 20:49:52,336 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:49:52,337 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:49:52,337 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:49:52,338 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:49:52,339 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:49:52,364 INFO L101 BaseMinimizeStates]: Removed 12 edges and 4 locations by large block encoding [2024-09-11 20:49:52,365 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:49:52,365 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:49:52,365 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:49:52,365 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:49:52,375 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:49:52,389 INFO L514 InvariantChecker]: The annotation(s) from loop head L39-2 to error location mainErr2REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-11 20:49:52,404 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-11 20:49:52,406 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:49:52,406 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:49:52,406 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:49:52,406 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:49:52,407 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:49:52,410 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-11 20:49:52,411 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:49:52,412 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:49:52,412 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:49:52,412 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:49:52,412 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:49:52,417 INFO L514 InvariantChecker]: The annotation(s) from loop head L39-2 to error location mainErr1REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-11 20:49:52,433 INFO L314 BlockEncoder]: Initial Icfg 9 locations, 8 edges [2024-09-11 20:49:52,434 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:49:52,434 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:49:52,434 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:49:52,434 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:49:52,434 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:49:52,451 INFO L101 BaseMinimizeStates]: Removed 14 edges and 7 locations by large block encoding [2024-09-11 20:49:52,451 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:49:52,451 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:49:52,451 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:49:52,452 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:49:52,452 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:49:52,456 INFO L514 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-11 20:49:52,469 INFO L314 BlockEncoder]: Initial Icfg 7 locations, 7 edges [2024-09-11 20:49:52,471 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:49:52,471 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:49:52,471 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:49:52,471 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:49:52,472 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:49:52,484 INFO L101 BaseMinimizeStates]: Removed 12 edges and 5 locations by large block encoding [2024-09-11 20:49:52,485 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:49:52,485 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:49:52,485 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:49:52,485 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:49:52,486 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:49:52,489 INFO L514 InvariantChecker]: The annotation(s) from loop head L39-2 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-11 20:49:52,497 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 5 edges [2024-09-11 20:49:52,498 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:49:52,498 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:49:52,499 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:49:52,499 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:49:52,499 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:49:52,501 INFO L101 BaseMinimizeStates]: Removed 8 edges and 3 locations by large block encoding [2024-09-11 20:49:52,503 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:49:52,504 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:49:52,504 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:49:52,504 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:49:52,504 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:49:52,510 INFO L514 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-11 20:49:52,515 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-11 20:49:52,515 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:49:52,515 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:49:52,515 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:49:52,515 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:49:52,515 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:49:52,516 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-11 20:49:52,517 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:49:52,517 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:49:52,517 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:49:52,517 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:49:52,517 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:49:52,518 INFO L514 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION is inductive. [2024-09-11 20:49:52,520 INFO L58 RefereeStarter]: Annotation is a valid proof of correctness [2024-09-11 20:49:52,524 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@256f996d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee CFG 11.09 08:49:52, skipping insertion in model container [2024-09-11 20:49:52,524 INFO L131 PluginConnector]: ------------------------ END Referee---------------------------- [2024-09-11 20:49:52,526 INFO L158 Benchmark]: Toolchain (without parser) took 942.17ms. Allocated memory is still 169.9MB. Free memory was 97.7MB in the beginning and 95.5MB in the end (delta: 2.2MB). Peak memory consumption was 1.8MB. Max. memory is 16.1GB. [2024-09-11 20:49:52,526 INFO L158 Benchmark]: Witness Parser took 0.16ms. Allocated memory is still 169.9MB. Free memory is still 128.1MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-11 20:49:52,526 INFO L158 Benchmark]: CDTParser took 1.27ms. Allocated memory is still 169.9MB. Free memory is still 142.4MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-11 20:49:52,527 INFO L158 Benchmark]: CACSL2BoogieTranslator took 327.50ms. Allocated memory is still 169.9MB. Free memory was 97.5MB in the beginning and 138.3MB in the end (delta: -40.8MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-09-11 20:49:52,527 INFO L158 Benchmark]: Boogie Preprocessor took 37.91ms. Allocated memory is still 169.9MB. Free memory was 138.3MB in the beginning and 136.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-09-11 20:49:52,527 INFO L158 Benchmark]: RCFGBuilder took 329.54ms. Allocated memory is still 169.9MB. Free memory was 136.2MB in the beginning and 121.5MB in the end (delta: 14.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-09-11 20:49:52,528 INFO L158 Benchmark]: Referee took 243.74ms. Allocated memory is still 169.9MB. Free memory was 121.5MB in the beginning and 95.5MB in the end (delta: 26.0MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-09-11 20:49:52,533 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 __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 36. Annotation is valid for all loop-free paths from loop head at line 35 to check that procedure precondition always holds at line 35. Annotation is valid for all loop-free paths from entry of procedure __VERIFIER_assert to exit of procedure __VERIFIER_assert. Annotation is valid for all loop-free paths from entry of procedure main to loop head at line 35. Annotation is valid for all loop-free paths from loop head at line 35 to loop head at line 35. * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Witness Parser took 0.16ms. Allocated memory is still 169.9MB. Free memory is still 128.1MB. There was no memory consumed. Max. memory is 16.1GB. * CDTParser took 1.27ms. Allocated memory is still 169.9MB. Free memory is still 142.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 327.50ms. Allocated memory is still 169.9MB. Free memory was 97.5MB in the beginning and 138.3MB in the end (delta: -40.8MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Preprocessor took 37.91ms. Allocated memory is still 169.9MB. Free memory was 138.3MB in the beginning and 136.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 329.54ms. Allocated memory is still 169.9MB. Free memory was 136.2MB in the beginning and 121.5MB in the end (delta: 14.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Referee took 243.74ms. Allocated memory is still 169.9MB. Free memory was 121.5MB in the beginning and 95.5MB in the end (delta: 26.0MB). 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 20:49:52,556 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/fermat2-ll_valuebound1.c ../results/automizer-verification-files/SV-COMP24_unreach-call/fermat2-ll_valuebound1.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 20:49:54,477 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-11 20:49:54,535 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Bitvector.epf [2024-09-11 20:49:54,539 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-11 20:49:54,540 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-11 20:49:54,567 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-11 20:49:54,568 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-11 20:49:54,568 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-11 20:49:54,569 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-11 20:49:54,569 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-11 20:49:54,570 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-11 20:49:54,570 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-11 20:49:54,570 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-11 20:49:54,573 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-11 20:49:54,573 INFO L153 SettingsManager]: * Use SBE=true [2024-09-11 20:49:54,573 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-11 20:49:54,574 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-11 20:49:54,574 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-11 20:49:54,574 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-11 20:49:54,574 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-11 20:49:54,574 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-11 20:49:54,578 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-11 20:49:54,578 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-11 20:49:54,578 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-09-11 20:49:54,578 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-09-11 20:49:54,578 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-11 20:49:54,578 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-09-11 20:49:54,579 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-11 20:49:54,579 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-11 20:49:54,579 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-11 20:49:54,579 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-11 20:49:54,579 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-11 20:49:54,579 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-11 20:49:54,579 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-11 20:49:54,579 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-11 20:49:54,580 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-11 20:49:54,580 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-11 20:49:54,580 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-11 20:49:54,580 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-09-11 20:49:54,580 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-09-11 20:49:54,580 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-11 20:49:54,582 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-11 20:49:54,582 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-11 20:49:54,582 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-11 20:49:54,582 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2024-09-11 20:49:54,582 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None [2024-09-11 20:49:54,812 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-11 20:49:54,830 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-11 20:49:54,833 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-11 20:49:54,834 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-11 20:49:54,835 INFO L274 PluginConnector]: CDTParser initialized [2024-09-11 20:49:54,836 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/nla-digbench-scaling/fermat2-ll_valuebound1.c [2024-09-11 20:49:56,105 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-11 20:49:56,245 INFO L384 CDTParser]: Found 1 translation units. [2024-09-11 20:49:56,246 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench-scaling/fermat2-ll_valuebound1.c [2024-09-11 20:49:56,256 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/2da44cde1/9b619c7ecd2c469a89939e1a2e864574/FLAGcd9fcb3ef [2024-09-11 20:49:56,269 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/2da44cde1/9b619c7ecd2c469a89939e1a2e864574 [2024-09-11 20:49:56,270 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-11 20:49:56,271 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-11 20:49:56,271 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/automizer-verification-files/SV-COMP24_unreach-call/fermat2-ll_valuebound1.yml/witness-2.1.yml [2024-09-11 20:49:56,310 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-11 20:49:56,311 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-09-11 20:49:56,313 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-11 20:49:56,313 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-11 20:49:56,316 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-11 20:49:56,316 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.09 08:49:56" (1/2) ... [2024-09-11 20:49:56,317 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@72bf92c9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:49:56, skipping insertion in model container [2024-09-11 20:49:56,317 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.09 08:49:56" (1/2) ... [2024-09-11 20:49:56,320 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@a86833a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:49:56, skipping insertion in model container [2024-09-11 20:49:56,320 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 08:49:56" (2/2) ... [2024-09-11 20:49:56,320 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@72bf92c9 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 11.09 08:49:56, skipping insertion in model container [2024-09-11 20:49:56,320 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 08:49:56" (2/2) ... [2024-09-11 20:49:56,328 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-11 20:49:56,328 INFO L1541 ArrayList]: Loop invariant at [L35-L46] ((((((long long) A * 4) + ((__int128) r * 4)) + ((__int128) v * v)) + ((__int128) 2 * u)) == (((__int128) 2 * v) + ((__int128) u * u))) [2024-09-11 20:49:56,329 INFO L1541 ArrayList]: Function contract at [L11]: requires (1 <= \old(cond)), ensures (1 <= \old(cond)) [2024-09-11 20:49:56,342 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-11 20:49:56,476 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/fermat2-ll_valuebound1.c[524,537] [2024-09-11 20:49:56,491 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-11 20:49:56,501 INFO L200 MainTranslator]: Completed pre-run Start Parsing Global Start Parsing Global [2024-09-11 20:49:56,535 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/fermat2-ll_valuebound1.c[524,537] Start Parsing Local [2024-09-11 20:49:56,550 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-11 20:49:56,562 INFO L204 MainTranslator]: Completed translation [2024-09-11 20:49:56,563 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 11.09 08:49:56 WrapperNode [2024-09-11 20:49:56,563 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-11 20:49:56,564 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-11 20:49:56,564 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-11 20:49:56,564 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-11 20:49:56,574 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 08:49:56" (1/1) ... [2024-09-11 20:49:56,575 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 08:49:56" (1/1) ... [2024-09-11 20:49:56,584 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 08:49:56" (1/1) ... [2024-09-11 20:49:56,597 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 20:49:56,597 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 08:49:56" (1/1) ... [2024-09-11 20:49:56,598 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 08:49:56" (1/1) ... [2024-09-11 20:49:56,604 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 08:49:56" (1/1) ... [2024-09-11 20:49:56,607 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 08:49:56" (1/1) ... [2024-09-11 20:49:56,609 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 08:49:56" (1/1) ... [2024-09-11 20:49:56,613 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 08:49:56" (1/1) ... [2024-09-11 20:49:56,615 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-11 20:49:56,620 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-11 20:49:56,620 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-11 20:49:56,620 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-11 20:49:56,620 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 08:49:56" (1/1) ... [2024-09-11 20:49:56,625 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-11 20:49:56,640 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-09-11 20:49:56,654 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 20:49:56,656 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 20:49:56,727 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-09-11 20:49:56,728 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-11 20:49:56,728 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-09-11 20:49:56,728 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-09-11 20:49:56,728 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-09-11 20:49:56,728 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-09-11 20:49:56,728 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-09-11 20:49:56,728 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-09-11 20:49:56,728 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-09-11 20:49:56,729 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-11 20:49:56,729 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2024-09-11 20:49:56,729 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-09-11 20:49:56,729 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-09-11 20:49:56,729 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-09-11 20:49:56,729 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-09-11 20:49:56,729 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-09-11 20:49:56,729 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-11 20:49:56,729 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2024-09-11 20:49:56,730 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2024-09-11 20:49:56,730 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-09-11 20:49:56,789 INFO L242 CfgBuilder]: Building ICFG [2024-09-11 20:49:56,791 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-11 20:50:02,562 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-11 20:50:02,621 INFO L? ?]: Removed 20 outVars from TransFormulas that were not future-live. [2024-09-11 20:50:02,622 INFO L291 CfgBuilder]: Performing block encoding [2024-09-11 20:50:02,638 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-11 20:50:02,638 INFO L318 CfgBuilder]: Removed 1 assume(true) statements. [2024-09-11 20:50:02,639 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.09 08:50:02 BoogieIcfgContainer [2024-09-11 20:50:02,639 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-11 20:50:02,640 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-09-11 20:50:02,641 INFO L270 PluginConnector]: Initializing Referee... [2024-09-11 20:50:02,642 INFO L274 PluginConnector]: Referee initialized [2024-09-11 20:50:02,642 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 11.09 08:49:56" (1/4) ... [2024-09-11 20:50:02,643 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@48b3d9d1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 11.09 08:50:02, skipping insertion in model container [2024-09-11 20:50:02,643 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 08:49:56" (2/4) ... [2024-09-11 20:50:02,643 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@48b3d9d1 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 11.09 08:50:02, skipping insertion in model container [2024-09-11 20:50:02,643 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 08:49:56" (3/4) ... [2024-09-11 20:50:02,643 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@48b3d9d1 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 11.09 08:50:02, skipping insertion in model container [2024-09-11 20:50:02,643 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 08:50:02" (4/4) ... [2024-09-11 20:50:02,644 INFO L79 RefereeObserver]: Analyzing ICFG fermat2-ll_valuebound1.c [2024-09-11 20:50:02,647 INFO L112 InvariantChecker]: Found 1 loops. [2024-09-11 20:50:02,647 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L39-2 to ERROR_LOC mainErr2REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 7 edges. [2024-09-11 20:50:02,647 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L39-2 to ERROR_LOC mainErr1REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 3 edges. [2024-09-11 20:50:02,648 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 8 edges. [2024-09-11 20:50:02,648 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L39-2 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 7 edges. [2024-09-11 20:50:02,648 INFO L367 InvariantChecker]: Will check inductivity from ENTRY __VERIFIER_assertENTRY to ERROR_LOC __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 5 edges. [2024-09-11 20:50:02,648 INFO L367 InvariantChecker]: Will check inductivity from ENTRY __VERIFIER_assertENTRY to ERROR_LOC __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 3 edges. [2024-09-11 20:50:02,648 INFO L130 InvariantChecker]: Will check 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 procedure entry to loop head, 1 loop-free subgraphs from loop head to loop head [2024-09-11 20:50:02,682 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 7 edges [2024-09-11 20:50:02,683 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:50:02,683 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:50:02,684 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:50:02,684 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:50:02,686 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:50:02,705 INFO L101 BaseMinimizeStates]: Removed 12 edges and 4 locations by large block encoding [2024-09-11 20:50:02,706 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:50:02,706 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:50:02,706 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:50:02,707 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:50:02,713 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:50:02,833 INFO L514 InvariantChecker]: The annotation(s) from loop head L39-2 to error location mainErr2REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-11 20:50:02,883 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-11 20:50:02,883 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:50:02,883 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:50:02,898 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:50:02,898 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:50:02,898 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:50:02,904 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-11 20:50:02,904 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:50:02,904 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:50:02,904 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:50:02,905 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:50:02,905 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:50:07,013 INFO L510 InvariantChecker]: unknown inductivity: todo good error message [2024-09-11 20:50:07,060 INFO L314 BlockEncoder]: Initial Icfg 9 locations, 8 edges [2024-09-11 20:50:07,061 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:50:07,061 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:50:07,061 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:50:07,061 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:50:07,061 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:50:07,075 INFO L101 BaseMinimizeStates]: Removed 14 edges and 7 locations by large block encoding [2024-09-11 20:50:07,076 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:50:07,077 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:50:07,077 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:50:07,077 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:50:07,077 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:50:11,126 INFO L510 InvariantChecker]: unknown inductivity: todo good error message [2024-09-11 20:50:11,157 INFO L314 BlockEncoder]: Initial Icfg 7 locations, 7 edges [2024-09-11 20:50:11,157 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:50:11,157 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:50:11,157 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:50:11,157 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:50:11,158 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:50:11,177 INFO L101 BaseMinimizeStates]: Removed 12 edges and 5 locations by large block encoding [2024-09-11 20:50:11,177 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:50:11,177 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:50:11,177 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:50:11,177 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:50:11,182 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:50:15,484 INFO L510 InvariantChecker]: unknown inductivity: todo good error message [2024-09-11 20:50:15,583 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 5 edges [2024-09-11 20:50:15,583 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:50:15,583 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:50:15,584 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:50:15,584 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:50:15,584 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:50:15,586 INFO L101 BaseMinimizeStates]: Removed 8 edges and 3 locations by large block encoding [2024-09-11 20:50:15,586 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:50:15,586 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:50:15,586 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:50:15,586 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:50:15,587 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:50:15,588 INFO L514 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-11 20:50:15,593 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-11 20:50:15,594 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:50:15,594 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:50:15,594 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:50:15,594 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:50:15,594 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:50:15,595 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-11 20:50:15,595 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:50:15,595 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:50:15,596 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:50:15,596 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:50:15,596 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:50:15,597 INFO L514 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION is inductive. [2024-09-11 20:50:15,599 INFO L58 RefereeStarter]: Insufficient resources for checking whether annotation is a valid proof of correctness [2024-09-11 20:50:15,600 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@48b3d9d1 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CFG 11.09 08:50:15, skipping insertion in model container [2024-09-11 20:50:15,600 INFO L131 PluginConnector]: ------------------------ END Referee---------------------------- [2024-09-11 20:50:15,601 INFO L158 Benchmark]: Toolchain (without parser) took 19289.76ms. Allocated memory is still 96.5MB. Free memory was 54.7MB in the beginning and 42.0MB in the end (delta: 12.7MB). Peak memory consumption was 22.4MB. Max. memory is 16.1GB. [2024-09-11 20:50:15,601 INFO L158 Benchmark]: CDTParser took 0.16ms. Allocated memory is still 62.9MB. Free memory is still 30.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-11 20:50:15,602 INFO L158 Benchmark]: Witness Parser took 1.53ms. Allocated memory is still 96.5MB. Free memory is still 56.7MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-11 20:50:15,602 INFO L158 Benchmark]: CACSL2BoogieTranslator took 250.61ms. Allocated memory is still 96.5MB. Free memory was 54.5MB in the beginning and 72.4MB in the end (delta: -17.9MB). Peak memory consumption was 11.9MB. Max. memory is 16.1GB. [2024-09-11 20:50:15,602 INFO L158 Benchmark]: Boogie Preprocessor took 55.17ms. Allocated memory is still 96.5MB. Free memory was 72.4MB in the beginning and 69.9MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-09-11 20:50:15,603 INFO L158 Benchmark]: RCFGBuilder took 6019.74ms. Allocated memory is still 96.5MB. Free memory was 69.9MB in the beginning and 52.3MB in the end (delta: 17.6MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2024-09-11 20:50:15,603 INFO L158 Benchmark]: Referee took 12960.12ms. Allocated memory is still 96.5MB. Free memory was 52.3MB in the beginning and 42.5MB in the end (delta: 9.7MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2024-09-11 20:50:15,605 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 loop head at line 35. Insufficient resources for checking whether annotation is valid for all loop-free paths from entry of procedure main to loop head at line 35. Insufficient resources for checking whether annotation is valid for all loop-free paths from loop head at line 35 to check that procedure precondition always holds at line 36. Annotation is valid for all loop-free paths from entry of procedure __VERIFIER_assert to exit of procedure __VERIFIER_assert. Annotation is valid for all loop-free paths from loop head at line 35 to check that procedure precondition always holds at line 35. Annotation is valid for all loop-free paths from entry of procedure __VERIFIER_assert to check that a call to reach_error is unreachable at line 13. * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16ms. Allocated memory is still 62.9MB. Free memory is still 30.3MB. There was no memory consumed. Max. memory is 16.1GB. * Witness Parser took 1.53ms. Allocated memory is still 96.5MB. Free memory is still 56.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 250.61ms. Allocated memory is still 96.5MB. Free memory was 54.5MB in the beginning and 72.4MB in the end (delta: -17.9MB). Peak memory consumption was 11.9MB. Max. memory is 16.1GB. * Boogie Preprocessor took 55.17ms. Allocated memory is still 96.5MB. Free memory was 72.4MB in the beginning and 69.9MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 6019.74ms. Allocated memory is still 96.5MB. Free memory was 69.9MB in the beginning and 52.3MB in the end (delta: 17.6MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * Referee took 12960.12ms. Allocated memory is still 96.5MB. Free memory was 52.3MB in the beginning and 42.5MB in the end (delta: 9.7MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-09-11 20:50:15,680 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