./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/nla-digbench-scaling/ps4-ll_valuebound100.c --full-output --witness-type correctness_witness --validate ../results/automizer-verification-files/SV-COMP24_unreach-call/ps4-ll_valuebound100.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/ps4-ll_valuebound100.c ../results/automizer-verification-files/SV-COMP24_unreach-call/ps4-ll_valuebound100.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 20:52:55,044 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-11 20:52:55,126 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Default.epf [2024-09-11 20:52:55,129 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-11 20:52:55,132 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-11 20:52:55,162 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-11 20:52:55,163 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-11 20:52:55,163 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-11 20:52:55,164 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-11 20:52:55,165 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-11 20:52:55,165 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-11 20:52:55,165 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-11 20:52:55,166 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-11 20:52:55,167 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-11 20:52:55,168 INFO L153 SettingsManager]: * Use SBE=true [2024-09-11 20:52:55,168 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-11 20:52:55,168 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-11 20:52:55,171 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-11 20:52:55,171 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-09-11 20:52:55,171 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-11 20:52:55,171 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-11 20:52:55,173 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-11 20:52:55,173 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-11 20:52:55,174 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-11 20:52:55,174 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-11 20:52:55,174 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-11 20:52:55,174 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-11 20:52:55,175 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-11 20:52:55,175 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-11 20:52:55,175 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-11 20:52:55,175 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-11 20:52:55,176 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-11 20:52:55,176 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-11 20:52:55,176 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-11 20:52:55,176 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-11 20:52:55,176 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-11 20:52:55,176 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-09-11 20:52:55,177 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-09-11 20:52:55,177 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-11 20:52:55,178 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-11 20:52:55,178 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-11 20:52:55,179 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-11 20:52:55,179 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None [2024-09-11 20:52:55,409 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-11 20:52:55,436 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-11 20:52:55,439 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-11 20:52:55,440 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-11 20:52:55,440 INFO L274 PluginConnector]: CDTParser initialized [2024-09-11 20:52:55,442 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/nla-digbench-scaling/ps4-ll_valuebound100.c [2024-09-11 20:52:56,935 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-11 20:52:57,083 INFO L384 CDTParser]: Found 1 translation units. [2024-09-11 20:52:57,084 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench-scaling/ps4-ll_valuebound100.c [2024-09-11 20:52:57,091 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/252eeace3/acd436c1189348c9bacddc73ef895784/FLAG85e864bc3 [2024-09-11 20:52:57,107 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/252eeace3/acd436c1189348c9bacddc73ef895784 [2024-09-11 20:52:57,110 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-11 20:52:57,111 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-11 20:52:57,113 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/automizer-verification-files/SV-COMP24_unreach-call/ps4-ll_valuebound100.yml/witness-2.1.yml [2024-09-11 20:52:57,156 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-11 20:52:57,157 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-09-11 20:52:57,158 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-11 20:52:57,159 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-11 20:52:57,163 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-11 20:52:57,164 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.09 08:52:57" (1/2) ... [2024-09-11 20:52:57,164 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4513db7a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:52:57, skipping insertion in model container [2024-09-11 20:52:57,165 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.09 08:52:57" (1/2) ... [2024-09-11 20:52:57,166 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@160945e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:52:57, skipping insertion in model container [2024-09-11 20:52:57,166 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 08:52:57" (2/2) ... [2024-09-11 20:52:57,167 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4513db7a and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 11.09 08:52:57, skipping insertion in model container [2024-09-11 20:52:57,167 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 08:52:57" (2/2) ... [2024-09-11 20:52:57,173 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-11 20:52:57,174 INFO L1541 ArrayList]: Loop invariant at [L27-L36] (((((y + ((__int128) y * y)) == (c + ((__int128) c * y))) && ((((__int128) 2 * c) + ((__int128) c * y)) == (((__int128) 2 * y) + ((__int128) y * y)))) && ((((__int128) k * y) == ((__int128) y * y)) || (c < k))) && (((((((__int128) y * y) * y) * 2) + ((((__int128) y * y) * y) * y)) + ((__int128) y * y)) == ((__int128) x * 4))) [2024-09-11 20:52:57,174 INFO L1541 ArrayList]: Function contract at [L9]: requires (1 <= \old(cond)), ensures (1 <= \old(cond)) [2024-09-11 20:52:57,190 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-11 20:52:57,339 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/ps4-ll_valuebound100.c[458,471] [2024-09-11 20:52:57,353 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-11 20:52:57,366 INFO L200 MainTranslator]: Completed pre-run Start Parsing Global Start Parsing Global [2024-09-11 20:52:57,408 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/ps4-ll_valuebound100.c[458,471] Start Parsing Local [2024-09-11 20:52:57,426 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-11 20:52:57,450 INFO L204 MainTranslator]: Completed translation [2024-09-11 20:52:57,451 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 11.09 08:52:57 WrapperNode [2024-09-11 20:52:57,451 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-11 20:52:57,452 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-11 20:52:57,452 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-11 20:52:57,452 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-11 20:52:57,465 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 08:52:57" (1/1) ... [2024-09-11 20:52:57,469 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 08:52:57" (1/1) ... [2024-09-11 20:52:57,476 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 08:52:57" (1/1) ... [2024-09-11 20:52:57,490 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 20:52:57,490 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 08:52:57" (1/1) ... [2024-09-11 20:52:57,490 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 08:52:57" (1/1) ... [2024-09-11 20:52:57,496 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 08:52:57" (1/1) ... [2024-09-11 20:52:57,500 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 08:52:57" (1/1) ... [2024-09-11 20:52:57,501 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 08:52:57" (1/1) ... [2024-09-11 20:52:57,502 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 08:52:57" (1/1) ... [2024-09-11 20:52:57,504 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-11 20:52:57,505 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-11 20:52:57,505 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-11 20:52:57,506 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-11 20:52:57,507 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 08:52:57" (1/1) ... [2024-09-11 20:52:57,512 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-11 20:52:57,520 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-09-11 20:52:57,536 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 20:52:57,538 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 20:52:57,583 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-09-11 20:52:57,583 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-11 20:52:57,584 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-09-11 20:52:57,584 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-09-11 20:52:57,584 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-09-11 20:52:57,585 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-09-11 20:52:57,585 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-09-11 20:52:57,586 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-09-11 20:52:57,586 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-09-11 20:52:57,586 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-11 20:52:57,586 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_short [2024-09-11 20:52:57,586 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-09-11 20:52:57,587 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-09-11 20:52:57,587 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-09-11 20:52:57,587 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-09-11 20:52:57,587 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-09-11 20:52:57,587 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-11 20:52:57,588 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-09-11 20:52:57,588 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-09-11 20:52:57,588 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-09-11 20:52:57,645 INFO L242 CfgBuilder]: Building ICFG [2024-09-11 20:52:57,647 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-11 20:52:57,769 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-11 20:52:57,817 INFO L? ?]: Removed 18 outVars from TransFormulas that were not future-live. [2024-09-11 20:52:57,818 INFO L291 CfgBuilder]: Performing block encoding [2024-09-11 20:52:57,849 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-11 20:52:57,849 INFO L318 CfgBuilder]: Removed 1 assume(true) statements. [2024-09-11 20:52:57,850 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.09 08:52:57 BoogieIcfgContainer [2024-09-11 20:52:57,850 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-11 20:52:57,850 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-09-11 20:52:57,850 INFO L270 PluginConnector]: Initializing Referee... [2024-09-11 20:52:57,851 INFO L274 PluginConnector]: Referee initialized [2024-09-11 20:52:57,851 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 11.09 08:52:57" (1/4) ... [2024-09-11 20:52:57,852 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@19fc0f1b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 11.09 08:52:57, skipping insertion in model container [2024-09-11 20:52:57,852 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 08:52:57" (2/4) ... [2024-09-11 20:52:57,852 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@19fc0f1b and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 11.09 08:52:57, skipping insertion in model container [2024-09-11 20:52:57,852 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 08:52:57" (3/4) ... [2024-09-11 20:52:57,853 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@19fc0f1b and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 11.09 08:52:57, skipping insertion in model container [2024-09-11 20:52:57,853 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 08:52:57" (4/4) ... [2024-09-11 20:52:57,854 INFO L79 RefereeObserver]: Analyzing ICFG ps4-ll_valuebound100.c [2024-09-11 20:52:57,857 INFO L112 InvariantChecker]: Found 1 loops. [2024-09-11 20:52:57,858 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L27-3 to ERROR_LOC mainErr2REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 7 edges. [2024-09-11 20:52:57,858 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L27-3 to ERROR_LOC mainErr1REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 3 edges. [2024-09-11 20:52:57,858 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 4 edges. [2024-09-11 20:52:57,859 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L27-3 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 5 edges. [2024-09-11 20:52:57,859 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 20:52:57,859 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 20:52:57,859 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L27-3 to ERROR_LOC mainErr3REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 8 edges. [2024-09-11 20:52:57,859 INFO L130 InvariantChecker]: Will check 1 loop-free subgraphs from loop head to loop head, 3 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 20:52:57,915 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 7 edges [2024-09-11 20:52:57,916 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:52:57,916 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:52:57,917 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:52:57,918 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:52:57,920 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:52:57,973 INFO L101 BaseMinimizeStates]: Removed 12 edges and 4 locations by large block encoding [2024-09-11 20:52:57,975 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:52:57,975 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:52:57,975 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:52:57,975 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:52:57,992 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:52:58,012 INFO L514 InvariantChecker]: The annotation(s) from loop head L27-3 to error location mainErr2REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-11 20:52:58,038 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-11 20:52:58,038 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:52:58,038 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:52:58,038 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:52:58,039 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:52:58,039 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:52:58,051 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-11 20:52:58,052 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:52:58,052 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:52:58,052 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:52:58,052 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:52:58,052 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:52:58,058 INFO L514 InvariantChecker]: The annotation(s) from loop head L27-3 to error location mainErr1REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-11 20:52:58,077 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 4 edges [2024-09-11 20:52:58,078 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:52:58,079 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:52:58,079 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:52:58,079 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:52:58,079 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:52:58,085 INFO L101 BaseMinimizeStates]: Removed 6 edges and 3 locations by large block encoding [2024-09-11 20:52:58,085 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:52:58,085 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:52:58,085 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:52:58,085 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:52:58,086 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:52:58,091 INFO L514 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-11 20:52:58,108 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 5 edges [2024-09-11 20:52:58,109 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:52:58,110 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:52:58,110 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:52:58,110 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:52:58,110 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:52:58,135 INFO L101 BaseMinimizeStates]: Removed 8 edges and 4 locations by large block encoding [2024-09-11 20:52:58,136 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:52:58,137 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:52:58,137 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:52:58,137 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:52:58,137 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:52:58,146 INFO L514 InvariantChecker]: The annotation(s) from loop head L27-3 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-11 20:52:58,161 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 5 edges [2024-09-11 20:52:58,161 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:52:58,162 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:52:58,162 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:52:58,163 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:52:58,163 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:52:58,167 INFO L101 BaseMinimizeStates]: Removed 8 edges and 3 locations by large block encoding [2024-09-11 20:52:58,168 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:52:58,168 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:52:58,168 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:52:58,169 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:52:58,170 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:52:58,172 INFO L514 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-11 20:52:58,184 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-11 20:52:58,184 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:52:58,185 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:52:58,185 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:52:58,185 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:52:58,185 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:52:58,187 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-11 20:52:58,187 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:52:58,188 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:52:58,188 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:52:58,188 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:52:58,188 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:52:58,191 INFO L514 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION is inductive. [2024-09-11 20:52:58,210 INFO L314 BlockEncoder]: Initial Icfg 7 locations, 8 edges [2024-09-11 20:52:58,210 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:52:58,210 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:52:58,211 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:52:58,211 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:52:58,211 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:52:58,235 INFO L101 BaseMinimizeStates]: Removed 16 edges and 5 locations by large block encoding [2024-09-11 20:52:58,235 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:52:58,236 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:52:58,236 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:52:58,236 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:52:58,239 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:52:58,243 INFO L514 InvariantChecker]: The annotation(s) from loop head L27-3 to error location mainErr3REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-11 20:52:58,247 INFO L58 RefereeStarter]: Annotation is a valid proof of correctness [2024-09-11 20:52:58,247 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@19fc0f1b and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CFG 11.09 08:52:58, skipping insertion in model container [2024-09-11 20:52:58,248 INFO L131 PluginConnector]: ------------------------ END Referee---------------------------- [2024-09-11 20:52:58,250 INFO L158 Benchmark]: Toolchain (without parser) took 1092.06ms. Allocated memory is still 167.8MB. Free memory was 99.4MB in the beginning and 83.2MB in the end (delta: 16.1MB). Peak memory consumption was 19.2MB. Max. memory is 16.1GB. [2024-09-11 20:52:58,250 INFO L158 Benchmark]: CDTParser took 0.17ms. Allocated memory is still 109.1MB. Free memory is still 71.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-11 20:52:58,251 INFO L158 Benchmark]: Witness Parser took 0.19ms. Allocated memory is still 167.8MB. Free memory is still 101.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-11 20:52:58,252 INFO L158 Benchmark]: CACSL2BoogieTranslator took 292.54ms. Allocated memory is still 167.8MB. Free memory was 99.2MB in the beginning and 135.0MB in the end (delta: -35.8MB). Peak memory consumption was 12.9MB. Max. memory is 16.1GB. [2024-09-11 20:52:58,253 INFO L158 Benchmark]: Boogie Preprocessor took 52.45ms. Allocated memory is still 167.8MB. Free memory was 135.0MB in the beginning and 132.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-09-11 20:52:58,255 INFO L158 Benchmark]: RCFGBuilder took 344.61ms. Allocated memory is still 167.8MB. Free memory was 132.9MB in the beginning and 118.2MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-09-11 20:52:58,255 INFO L158 Benchmark]: Referee took 397.94ms. Allocated memory is still 167.8MB. Free memory was 118.2MB in the beginning and 83.2MB in the end (delta: 35.0MB). Peak memory consumption was 35.7MB. Max. memory is 16.1GB. [2024-09-11 20:52:58,259 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.referee: - AnnotationCheckResult: Annotation is a valid proof of correctness Annotation is a valid proof of correctness Annotation is valid for all loop-free paths from loop head at line 27 to check that procedure precondition always holds at line 27. 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 11. 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 27 to check that procedure precondition always holds at line 37. Annotation is valid for all loop-free paths from loop head at line 27 to loop head at line 27. Annotation is valid for all loop-free paths from loop head at line 27 to check that procedure precondition always holds at line 28. Annotation is valid for all loop-free paths from entry of procedure main to loop head at line 27. * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17ms. Allocated memory is still 109.1MB. Free memory is still 71.2MB. There was no memory consumed. Max. memory is 16.1GB. * Witness Parser took 0.19ms. Allocated memory is still 167.8MB. Free memory is still 101.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 292.54ms. Allocated memory is still 167.8MB. Free memory was 99.2MB in the beginning and 135.0MB in the end (delta: -35.8MB). Peak memory consumption was 12.9MB. Max. memory is 16.1GB. * Boogie Preprocessor took 52.45ms. Allocated memory is still 167.8MB. Free memory was 135.0MB in the beginning and 132.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 344.61ms. Allocated memory is still 167.8MB. Free memory was 132.9MB in the beginning and 118.2MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Referee took 397.94ms. Allocated memory is still 167.8MB. Free memory was 118.2MB in the beginning and 83.2MB in the end (delta: 35.0MB). Peak memory consumption was 35.7MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-09-11 20:52:58,288 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 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/ps4-ll_valuebound100.c ../results/automizer-verification-files/SV-COMP24_unreach-call/ps4-ll_valuebound100.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 20:53:00,584 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-11 20:53:00,659 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Bitvector.epf [2024-09-11 20:53:00,665 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-11 20:53:00,665 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-11 20:53:00,699 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-11 20:53:00,702 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-11 20:53:00,702 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-11 20:53:00,703 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-11 20:53:00,703 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-11 20:53:00,703 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-11 20:53:00,704 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-11 20:53:00,704 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-11 20:53:00,708 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-11 20:53:00,708 INFO L153 SettingsManager]: * Use SBE=true [2024-09-11 20:53:00,709 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-11 20:53:00,709 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-11 20:53:00,709 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-11 20:53:00,709 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-11 20:53:00,710 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-11 20:53:00,710 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-11 20:53:00,711 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-11 20:53:00,714 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-11 20:53:00,714 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-09-11 20:53:00,714 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-09-11 20:53:00,715 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-11 20:53:00,715 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-09-11 20:53:00,715 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-11 20:53:00,715 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-11 20:53:00,716 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-11 20:53:00,716 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-11 20:53:00,716 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-11 20:53:00,716 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-11 20:53:00,725 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-11 20:53:00,725 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-11 20:53:00,726 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-11 20:53:00,726 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-11 20:53:00,727 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-11 20:53:00,727 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-09-11 20:53:00,727 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-09-11 20:53:00,727 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-11 20:53:00,728 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-11 20:53:00,728 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-11 20:53:00,728 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-11 20:53:00,729 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2024-09-11 20:53:00,729 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None [2024-09-11 20:53:01,056 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-11 20:53:01,080 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-11 20:53:01,083 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-11 20:53:01,084 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-11 20:53:01,085 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-11 20:53:01,086 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/automizer-verification-files/SV-COMP24_unreach-call/ps4-ll_valuebound100.yml/witness-2.1.yml [2024-09-11 20:53:01,150 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-11 20:53:01,150 INFO L274 PluginConnector]: CDTParser initialized [2024-09-11 20:53:01,151 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/nla-digbench-scaling/ps4-ll_valuebound100.c [2024-09-11 20:53:02,800 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-11 20:53:03,005 INFO L384 CDTParser]: Found 1 translation units. [2024-09-11 20:53:03,006 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench-scaling/ps4-ll_valuebound100.c [2024-09-11 20:53:03,014 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/568b8a59d/32a0479b6c574dc4b40fa8fd372f32d7/FLAGaf35e3a27 [2024-09-11 20:53:03,036 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/568b8a59d/32a0479b6c574dc4b40fa8fd372f32d7 [2024-09-11 20:53:03,037 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-11 20:53:03,038 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-09-11 20:53:03,042 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-11 20:53:03,043 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-11 20:53:03,048 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-11 20:53:03,049 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 08:53:01" (1/2) ... [2024-09-11 20:53:03,050 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@58a313d2 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 11.09 08:53:03, skipping insertion in model container [2024-09-11 20:53:03,053 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 08:53:01" (1/2) ... [2024-09-11 20:53:03,055 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@5fdbd36e and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 11.09 08:53:03, skipping insertion in model container [2024-09-11 20:53:03,055 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.09 08:53:03" (2/2) ... [2024-09-11 20:53:03,056 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@58a313d2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:53:03, skipping insertion in model container [2024-09-11 20:53:03,056 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.09 08:53:03" (2/2) ... [2024-09-11 20:53:03,065 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-11 20:53:03,069 INFO L1541 ArrayList]: Loop invariant at [L27-L36] (((((y + ((__int128) y * y)) == (c + ((__int128) c * y))) && ((((__int128) 2 * c) + ((__int128) c * y)) == (((__int128) 2 * y) + ((__int128) y * y)))) && ((((__int128) k * y) == ((__int128) y * y)) || (c < k))) && (((((((__int128) y * y) * y) * 2) + ((((__int128) y * y) * y) * y)) + ((__int128) y * y)) == ((__int128) x * 4))) [2024-09-11 20:53:03,069 INFO L1541 ArrayList]: Function contract at [L9]: requires (1 <= \old(cond)), ensures (1 <= \old(cond)) [2024-09-11 20:53:03,088 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-11 20:53:03,262 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/ps4-ll_valuebound100.c[458,471] [2024-09-11 20:53:03,289 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-11 20:53:03,303 INFO L200 MainTranslator]: Completed pre-run Start Parsing Global Start Parsing Global [2024-09-11 20:53:03,343 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/ps4-ll_valuebound100.c[458,471] Start Parsing Local [2024-09-11 20:53:03,369 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-11 20:53:03,392 INFO L204 MainTranslator]: Completed translation [2024-09-11 20:53:03,393 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:53:03 WrapperNode [2024-09-11 20:53:03,393 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-11 20:53:03,394 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-11 20:53:03,394 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-11 20:53:03,394 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-11 20:53:03,407 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:53:03" (1/1) ... [2024-09-11 20:53:03,407 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:53:03" (1/1) ... [2024-09-11 20:53:03,416 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:53:03" (1/1) ... [2024-09-11 20:53:03,436 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 20:53:03,436 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:53:03" (1/1) ... [2024-09-11 20:53:03,437 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:53:03" (1/1) ... [2024-09-11 20:53:03,446 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:53:03" (1/1) ... [2024-09-11 20:53:03,452 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:53:03" (1/1) ... [2024-09-11 20:53:03,454 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:53:03" (1/1) ... [2024-09-11 20:53:03,459 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:53:03" (1/1) ... [2024-09-11 20:53:03,461 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-11 20:53:03,462 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-11 20:53:03,466 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-11 20:53:03,466 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-11 20:53:03,467 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:53:03" (1/1) ... [2024-09-11 20:53:03,473 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-11 20:53:03,482 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-09-11 20:53:03,498 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 20:53:03,504 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 20:53:03,555 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-09-11 20:53:03,556 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-11 20:53:03,557 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-09-11 20:53:03,557 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-09-11 20:53:03,558 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-09-11 20:53:03,558 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-09-11 20:53:03,558 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-09-11 20:53:03,558 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-09-11 20:53:03,571 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-09-11 20:53:03,572 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-11 20:53:03,573 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_short [2024-09-11 20:53:03,573 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-09-11 20:53:03,574 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-09-11 20:53:03,574 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-09-11 20:53:03,574 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-09-11 20:53:03,574 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-09-11 20:53:03,575 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-11 20:53:03,575 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2024-09-11 20:53:03,575 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2024-09-11 20:53:03,576 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-09-11 20:53:03,640 INFO L242 CfgBuilder]: Building ICFG [2024-09-11 20:53:03,642 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-11 20:53:12,667 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-11 20:53:12,815 INFO L? ?]: Removed 18 outVars from TransFormulas that were not future-live. [2024-09-11 20:53:12,816 INFO L291 CfgBuilder]: Performing block encoding [2024-09-11 20:53:12,848 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-11 20:53:12,848 INFO L318 CfgBuilder]: Removed 1 assume(true) statements. [2024-09-11 20:53:12,848 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.09 08:53:12 BoogieIcfgContainer [2024-09-11 20:53:12,848 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-11 20:53:12,849 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-09-11 20:53:12,849 INFO L270 PluginConnector]: Initializing Referee... [2024-09-11 20:53:12,850 INFO L274 PluginConnector]: Referee initialized [2024-09-11 20:53:12,850 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 08:53:01" (1/4) ... [2024-09-11 20:53:12,851 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@4a0fcecc and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 11.09 08:53:12, skipping insertion in model container [2024-09-11 20:53:12,851 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 11.09 08:53:03" (2/4) ... [2024-09-11 20:53:12,851 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@4a0fcecc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 11.09 08:53:12, skipping insertion in model container [2024-09-11 20:53:12,851 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:53:03" (3/4) ... [2024-09-11 20:53:12,851 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@4a0fcecc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 11.09 08:53:12, skipping insertion in model container [2024-09-11 20:53:12,852 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.09 08:53:12" (4/4) ... [2024-09-11 20:53:12,853 INFO L79 RefereeObserver]: Analyzing ICFG ps4-ll_valuebound100.c [2024-09-11 20:53:12,856 INFO L112 InvariantChecker]: Found 1 loops. [2024-09-11 20:53:12,856 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L27-3 to ERROR_LOC mainErr2REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 7 edges. [2024-09-11 20:53:12,857 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L27-3 to ERROR_LOC mainErr1REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 3 edges. [2024-09-11 20:53:12,857 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 4 edges. [2024-09-11 20:53:12,857 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L27-3 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 5 edges. [2024-09-11 20:53:12,857 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 20:53:12,857 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 20:53:12,857 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L27-3 to ERROR_LOC mainErr3REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 8 edges. [2024-09-11 20:53:12,857 INFO L130 InvariantChecker]: Will check 1 loop-free subgraphs from procedure entry to loop head, 3 loop-free subgraphs from loop head to error location, 1 loop-free subgraphs from loop head to loop head, 2 loop-free subgraphs from procedure entry to error location [2024-09-11 20:53:12,921 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 7 edges [2024-09-11 20:53:12,925 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:53:12,926 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:53:12,926 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:53:12,928 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:53:12,930 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:53:12,995 INFO L101 BaseMinimizeStates]: Removed 12 edges and 4 locations by large block encoding [2024-09-11 20:53:12,997 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:53:12,997 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:53:12,997 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:53:12,998 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:53:13,011 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:53:17,411 INFO L510 InvariantChecker]: unknown inductivity: todo good error message [2024-09-11 20:53:17,528 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-11 20:53:17,529 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:53:17,529 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:53:17,529 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:53:17,529 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:53:17,529 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:53:17,539 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-11 20:53:17,539 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:53:17,539 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:53:17,539 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:53:17,540 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:53:17,540 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:53:21,940 INFO L510 InvariantChecker]: unknown inductivity: todo good error message [2024-09-11 20:53:22,094 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 4 edges [2024-09-11 20:53:22,094 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:53:22,094 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:53:22,095 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:53:22,095 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:53:22,095 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:53:22,102 INFO L101 BaseMinimizeStates]: Removed 6 edges and 3 locations by large block encoding [2024-09-11 20:53:22,103 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:53:22,103 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:53:22,103 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:53:22,103 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:53:22,103 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:53:22,113 INFO L514 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-11 20:53:22,128 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 5 edges [2024-09-11 20:53:22,129 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:53:22,129 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:53:22,129 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:53:22,130 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:53:22,130 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:53:22,163 INFO L101 BaseMinimizeStates]: Removed 8 edges and 4 locations by large block encoding [2024-09-11 20:53:22,163 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:53:22,163 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:53:22,164 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:53:22,164 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:53:22,164 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:53:26,974 INFO L510 InvariantChecker]: unknown inductivity: todo good error message [2024-09-11 20:53:27,218 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 5 edges [2024-09-11 20:53:27,219 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:53:27,219 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:53:27,219 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:53:27,219 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:53:27,220 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:53:27,222 INFO L101 BaseMinimizeStates]: Removed 8 edges and 3 locations by large block encoding [2024-09-11 20:53:27,222 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:53:27,223 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:53:27,223 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:53:27,223 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:53:27,224 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:53:27,227 INFO L514 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-11 20:53:27,243 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-11 20:53:27,243 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:53:27,243 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:53:27,243 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:53:27,243 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:53:27,243 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:53:27,246 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-11 20:53:27,247 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:53:27,248 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:53:27,248 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:53:27,248 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:53:27,248 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:53:27,250 INFO L514 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION is inductive. [2024-09-11 20:53:27,261 INFO L314 BlockEncoder]: Initial Icfg 7 locations, 8 edges [2024-09-11 20:53:27,261 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:53:27,262 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:53:27,262 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:53:27,263 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:53:27,263 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:53:27,282 INFO L101 BaseMinimizeStates]: Removed 16 edges and 5 locations by large block encoding [2024-09-11 20:53:27,283 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:53:27,283 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:53:27,283 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:53:27,283 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:53:27,284 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:53:27,285 INFO L514 InvariantChecker]: The annotation(s) from loop head L27-3 to error location mainErr3REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-11 20:53:27,289 INFO L58 RefereeStarter]: Insufficient resources for checking whether annotation is a valid proof of correctness [2024-09-11 20:53:27,289 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@4a0fcecc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee CFG 11.09 08:53:27, skipping insertion in model container [2024-09-11 20:53:27,290 INFO L131 PluginConnector]: ------------------------ END Referee---------------------------- [2024-09-11 20:53:27,291 INFO L158 Benchmark]: Toolchain (without parser) took 24252.33ms. Allocated memory was 56.6MB in the beginning and 69.2MB in the end (delta: 12.6MB). Free memory was 27.1MB in the beginning and 34.3MB in the end (delta: -7.2MB). Peak memory consumption was 16.1MB. Max. memory is 16.1GB. [2024-09-11 20:53:27,292 INFO L158 Benchmark]: Witness Parser took 1.00ms. Allocated memory is still 41.9MB. Free memory was 17.2MB in the beginning and 17.1MB in the end (delta: 60.8kB). There was no memory consumed. Max. memory is 16.1GB. [2024-09-11 20:53:27,292 INFO L158 Benchmark]: CDTParser took 0.10ms. Allocated memory is still 41.9MB. Free memory was 25.7MB in the beginning and 25.6MB in the end (delta: 43.1kB). There was no memory consumed. Max. memory is 16.1GB. [2024-09-11 20:53:27,293 INFO L158 Benchmark]: CACSL2BoogieTranslator took 350.73ms. Allocated memory is still 56.6MB. Free memory was 26.8MB in the beginning and 26.5MB in the end (delta: 335.2kB). Peak memory consumption was 7.2MB. Max. memory is 16.1GB. [2024-09-11 20:53:27,293 INFO L158 Benchmark]: Boogie Preprocessor took 67.49ms. Allocated memory is still 56.6MB. Free memory was 26.5MB in the beginning and 24.2MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-09-11 20:53:27,294 INFO L158 Benchmark]: RCFGBuilder took 9386.60ms. Allocated memory was 56.6MB in the beginning and 69.2MB in the end (delta: 12.6MB). Free memory was 24.0MB in the beginning and 34.2MB in the end (delta: -10.2MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2024-09-11 20:53:27,294 INFO L158 Benchmark]: Referee took 14440.60ms. Allocated memory is still 69.2MB. Free memory was 34.2MB in the beginning and 34.3MB in the end (delta: -108.5kB). Peak memory consumption was 11.4MB. Max. memory is 16.1GB. [2024-09-11 20:53:27,297 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 27 to check that procedure precondition always holds at line 27. Insufficient resources for checking whether annotation is valid for all loop-free paths from loop head at line 27 to check that procedure precondition always holds at line 28. Insufficient resources for checking whether annotation is valid for all loop-free paths from loop head at line 27 to loop head at line 27. Annotation is valid for all loop-free paths from entry of procedure main to loop head at line 27. 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 27 to check that procedure precondition always holds at line 37. 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 11. * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Witness Parser took 1.00ms. Allocated memory is still 41.9MB. Free memory was 17.2MB in the beginning and 17.1MB in the end (delta: 60.8kB). There was no memory consumed. Max. memory is 16.1GB. * CDTParser took 0.10ms. Allocated memory is still 41.9MB. Free memory was 25.7MB in the beginning and 25.6MB in the end (delta: 43.1kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 350.73ms. Allocated memory is still 56.6MB. Free memory was 26.8MB in the beginning and 26.5MB in the end (delta: 335.2kB). Peak memory consumption was 7.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 67.49ms. Allocated memory is still 56.6MB. Free memory was 26.5MB in the beginning and 24.2MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 9386.60ms. Allocated memory was 56.6MB in the beginning and 69.2MB in the end (delta: 12.6MB). Free memory was 24.0MB in the beginning and 34.2MB in the end (delta: -10.2MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Referee took 14440.60ms. Allocated memory is still 69.2MB. Free memory was 34.2MB in the beginning and 34.3MB in the end (delta: -108.5kB). Peak memory consumption was 11.4MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-09-11 20:53:27,480 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