./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/nla-digbench-scaling/ps6-ll_valuebound1.c --full-output --witness-type correctness_witness --validate ../results/automizer-verification-files/SV-COMP24_unreach-call/ps6-ll_valuebound1.yml/witness-2.1.yml --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 1d5fa637 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/ps6-ll_valuebound1.c ../results/automizer-verification-files/SV-COMP24_unreach-call/ps6-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-1d5fa63-m [2024-09-13 10:10:56,426 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-13 10:10:56,480 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Default.epf [2024-09-13 10:10:56,485 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-13 10:10:56,486 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-13 10:10:56,509 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-13 10:10:56,511 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-13 10:10:56,511 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-13 10:10:56,511 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-13 10:10:56,512 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-13 10:10:56,512 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-13 10:10:56,512 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-13 10:10:56,513 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-13 10:10:56,514 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-13 10:10:56,515 INFO L153 SettingsManager]: * Use SBE=true [2024-09-13 10:10:56,515 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-13 10:10:56,515 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-13 10:10:56,516 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-13 10:10:56,516 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-09-13 10:10:56,516 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-13 10:10:56,516 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-13 10:10:56,520 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-13 10:10:56,520 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-13 10:10:56,520 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-13 10:10:56,520 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-13 10:10:56,520 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-13 10:10:56,521 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-13 10:10:56,521 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-13 10:10:56,521 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-13 10:10:56,521 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-13 10:10:56,521 INFO L153 SettingsManager]: * Future-live optimization=false [2024-09-13 10:10:56,521 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-13 10:10:56,522 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-13 10:10:56,522 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-13 10:10:56,522 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-13 10:10:56,522 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-13 10:10:56,522 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-13 10:10:56,522 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-09-13 10:10:56,523 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-09-13 10:10:56,523 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-13 10:10:56,523 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-13 10:10:56,524 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-13 10:10:56,524 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-13 10:10:56,524 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None [2024-09-13 10:10:56,709 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-13 10:10:56,728 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-13 10:10:56,731 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-13 10:10:56,732 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-13 10:10:56,733 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-13 10:10:56,734 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/automizer-verification-files/SV-COMP24_unreach-call/ps6-ll_valuebound1.yml/witness-2.1.yml [2024-09-13 10:10:56,810 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-13 10:10:56,810 INFO L274 PluginConnector]: CDTParser initialized [2024-09-13 10:10:56,811 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/nla-digbench-scaling/ps6-ll_valuebound1.c [2024-09-13 10:10:58,166 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-13 10:10:58,312 INFO L384 CDTParser]: Found 1 translation units. [2024-09-13 10:10:58,313 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench-scaling/ps6-ll_valuebound1.c [2024-09-13 10:10:58,319 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/fb7a67bd6/7f39a32af2f54f7a9d5c9ec766cb17ea/FLAG993d5a908 [2024-09-13 10:10:58,333 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/fb7a67bd6/7f39a32af2f54f7a9d5c9ec766cb17ea [2024-09-13 10:10:58,334 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-13 10:10:58,335 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-09-13 10:10:58,339 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-13 10:10:58,339 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-13 10:10:58,343 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-13 10:10:58,344 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 13.09 10:10:56" (1/2) ... [2024-09-13 10:10:58,345 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@68d9ae59 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 13.09 10:10:58, skipping insertion in model container [2024-09-13 10:10:58,346 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 13.09 10:10:56" (1/2) ... [2024-09-13 10:10:58,347 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@270cf02b and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 13.09 10:10:58, skipping insertion in model container [2024-09-13 10:10:58,348 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.09 10:10:58" (2/2) ... [2024-09-13 10:10:58,348 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@68d9ae59 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 10:10:58, skipping insertion in model container [2024-09-13 10:10:58,348 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.09 10:10:58" (2/2) ... [2024-09-13 10:10:58,354 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-13 10:10:58,356 INFO L1541 ArrayList]: Loop invariant at [L28-L37] (((((y == 1) && (x == 1)) && (k == 1)) && (c == 1)) || (((((x == 0) && (0 <= k)) && (k <= 1)) && (c == 0)) && (y == 0))) [2024-09-13 10:10:58,357 INFO L1541 ArrayList]: Function contract at [L6]: requires null, ensures (\old(cond) != 0) [2024-09-13 10:10:58,357 INFO L1541 ArrayList]: Function contract at [L9]: requires (1 <= \old(cond)), ensures (1 <= \old(cond)) [2024-09-13 10:10:58,371 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-13 10:10:58,488 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/ps6-ll_valuebound1.c[458,471] [2024-09-13 10:10:58,511 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-13 10:10:58,518 INFO L200 MainTranslator]: Completed pre-run Start Parsing Global Start Parsing Global Start Parsing Global [2024-09-13 10:10:58,563 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/ps6-ll_valuebound1.c[458,471] Start Parsing Local [2024-09-13 10:10:58,575 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-13 10:10:58,588 INFO L204 MainTranslator]: Completed translation [2024-09-13 10:10:58,590 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 10:10:58 WrapperNode [2024-09-13 10:10:58,591 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-13 10:10:58,591 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-13 10:10:58,603 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-13 10:10:58,603 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-13 10:10:58,613 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 10:10:58" (1/1) ... [2024-09-13 10:10:58,613 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 10:10:58" (1/1) ... [2024-09-13 10:10:58,619 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 10:10:58" (1/1) ... [2024-09-13 10:10:58,633 WARN L109 MemorySlicer]: Omit memory slicing because it failed with the following exception: Unsupported: Procedure assume_abort_if_not is not part of the Ultimate memory model but has specification other that is not a ModifiesSpecification [2024-09-13 10:10:58,637 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 10:10:58" (1/1) ... [2024-09-13 10:10:58,637 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 10:10:58" (1/1) ... [2024-09-13 10:10:58,640 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 10:10:58" (1/1) ... [2024-09-13 10:10:58,643 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 10:10:58" (1/1) ... [2024-09-13 10:10:58,643 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 10:10:58" (1/1) ... [2024-09-13 10:10:58,644 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 10:10:58" (1/1) ... [2024-09-13 10:10:58,649 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-13 10:10:58,650 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-13 10:10:58,650 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-13 10:10:58,650 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-13 10:10:58,651 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 10:10:58" (1/1) ... [2024-09-13 10:10:58,655 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-13 10:10:58,662 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-09-13 10:10:58,683 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) [2024-09-13 10:10:58,690 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 [2024-09-13 10:10:58,776 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-09-13 10:10:58,780 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-13 10:10:58,780 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-09-13 10:10:58,781 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-09-13 10:10:58,781 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-09-13 10:10:58,781 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-09-13 10:10:58,781 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-09-13 10:10:58,781 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-09-13 10:10:58,781 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-09-13 10:10:58,781 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-13 10:10:58,781 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_short [2024-09-13 10:10:58,781 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-09-13 10:10:58,782 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-09-13 10:10:58,782 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-09-13 10:10:58,782 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-09-13 10:10:58,782 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-09-13 10:10:58,782 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-13 10:10:58,782 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-09-13 10:10:58,782 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-09-13 10:10:58,782 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-09-13 10:10:58,894 INFO L242 CfgBuilder]: Building ICFG [2024-09-13 10:10:58,897 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-13 10:10:59,018 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-13 10:10:59,033 INFO L291 CfgBuilder]: Performing block encoding [2024-09-13 10:10:59,064 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-13 10:10:59,064 INFO L318 CfgBuilder]: Removed 1 assume(true) statements. [2024-09-13 10:10:59,065 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.09 10:10:59 BoogieIcfgContainer [2024-09-13 10:10:59,065 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-13 10:10:59,066 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-09-13 10:10:59,066 INFO L270 PluginConnector]: Initializing Referee... [2024-09-13 10:10:59,067 INFO L274 PluginConnector]: Referee initialized [2024-09-13 10:10:59,067 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 13.09 10:10:56" (1/4) ... [2024-09-13 10:10:59,067 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@31931d27 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 13.09 10:10:59, skipping insertion in model container [2024-09-13 10:10:59,067 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 13.09 10:10:58" (2/4) ... [2024-09-13 10:10:59,068 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@31931d27 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 13.09 10:10:59, skipping insertion in model container [2024-09-13 10:10:59,069 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 10:10:58" (3/4) ... [2024-09-13 10:10:59,069 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@31931d27 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 13.09 10:10:59, skipping insertion in model container [2024-09-13 10:10:59,069 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.09 10:10:59" (4/4) ... [2024-09-13 10:10:59,070 INFO L79 RefereeObserver]: Analyzing ICFG ps6-ll_valuebound1.c [2024-09-13 10:10:59,074 INFO L112 InvariantChecker]: Found 1 loops. [2024-09-13 10:10:59,074 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC assume_abort_if_notErr0ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 4 edges. [2024-09-13 10:10:59,075 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L28-3 to ERROR_LOC mainErr2REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 7 edges. [2024-09-13 10:10:59,075 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L28-3 to ERROR_LOC mainErr1REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 3 edges. [2024-09-13 10:10:59,075 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 5 edges. [2024-09-13 10:10:59,075 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L28-3 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 5 edges. [2024-09-13 10:10:59,076 INFO L367 InvariantChecker]: Will check inductivity from ENTRY __VERIFIER_assertENTRY to ERROR_LOC __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 5 edges. [2024-09-13 10:10:59,076 INFO L367 InvariantChecker]: Will check inductivity from ENTRY __VERIFIER_assertENTRY to ERROR_LOC __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 3 edges. [2024-09-13 10:10:59,076 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L28-3 to ERROR_LOC mainErr3REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 8 edges. [2024-09-13 10:10:59,077 INFO L130 InvariantChecker]: Will check 3 loop-free subgraphs from procedure entry to error location, 3 loop-free subgraphs from loop head to error location, 1 loop-free subgraphs from loop head to loop head, 1 loop-free subgraphs from procedure entry to loop head [2024-09-13 10:10:59,141 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 4 edges [2024-09-13 10:10:59,144 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 10:10:59,144 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 10:10:59,145 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 10:10:59,146 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 10:10:59,148 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:10:59,156 INFO L101 BaseMinimizeStates]: Removed 6 edges and 2 locations by large block encoding [2024-09-13 10:10:59,158 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:10:59,158 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 10:10:59,159 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 10:10:59,159 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 10:10:59,166 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 10:10:59,180 INFO L514 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to error location assume_abort_if_notErr0ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-13 10:10:59,198 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 7 edges [2024-09-13 10:10:59,199 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 10:10:59,199 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 10:10:59,199 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 10:10:59,199 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 10:10:59,199 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:10:59,211 INFO L101 BaseMinimizeStates]: Removed 12 edges and 4 locations by large block encoding [2024-09-13 10:10:59,211 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:10:59,211 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 10:10:59,211 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 10:10:59,212 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 10:10:59,214 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 10:10:59,216 INFO L514 InvariantChecker]: The annotation(s) from loop head L28-3 to error location mainErr2REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-13 10:10:59,226 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-13 10:10:59,227 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 10:10:59,227 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 10:10:59,227 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 10:10:59,227 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 10:10:59,227 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:10:59,230 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-13 10:10:59,230 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:10:59,230 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 10:10:59,230 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 10:10:59,231 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 10:10:59,231 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 10:10:59,233 INFO L514 InvariantChecker]: The annotation(s) from loop head L28-3 to error location mainErr1REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-13 10:10:59,242 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 5 edges [2024-09-13 10:10:59,242 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 10:10:59,242 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 10:10:59,242 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 10:10:59,242 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 10:10:59,243 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:10:59,247 INFO L101 BaseMinimizeStates]: Removed 8 edges and 4 locations by large block encoding [2024-09-13 10:10:59,247 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:10:59,248 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 10:10:59,248 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 10:10:59,248 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 10:10:59,248 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 10:10:59,251 INFO L514 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-13 10:10:59,267 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 5 edges [2024-09-13 10:10:59,270 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 10:10:59,270 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 10:10:59,270 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 10:10:59,271 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 10:10:59,271 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:10:59,288 INFO L101 BaseMinimizeStates]: Removed 8 edges and 4 locations by large block encoding [2024-09-13 10:10:59,289 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:10:59,289 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 10:10:59,289 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 10:10:59,289 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 10:10:59,289 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 10:10:59,293 INFO L514 InvariantChecker]: The annotation(s) from loop head L28-3 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-13 10:10:59,312 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 5 edges [2024-09-13 10:10:59,316 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 10:10:59,316 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 10:10:59,317 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 10:10:59,317 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 10:10:59,317 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:10:59,319 INFO L101 BaseMinimizeStates]: Removed 8 edges and 3 locations by large block encoding [2024-09-13 10:10:59,320 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:10:59,320 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 10:10:59,320 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 10:10:59,320 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 10:10:59,322 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 10:10:59,327 INFO L514 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-13 10:10:59,349 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-13 10:10:59,353 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 10:10:59,354 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 10:10:59,354 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 10:10:59,354 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 10:10:59,354 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:10:59,356 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-13 10:10:59,356 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:10:59,356 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 10:10:59,357 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 10:10:59,357 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 10:10:59,357 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 10:10:59,362 INFO L514 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION is inductive. [2024-09-13 10:10:59,387 INFO L314 BlockEncoder]: Initial Icfg 7 locations, 8 edges [2024-09-13 10:10:59,387 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 10:10:59,391 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 10:10:59,392 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 10:10:59,392 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 10:10:59,392 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:10:59,424 INFO L101 BaseMinimizeStates]: Removed 16 edges and 5 locations by large block encoding [2024-09-13 10:10:59,428 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:10:59,428 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 10:10:59,429 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 10:10:59,429 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 10:10:59,434 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 10:10:59,438 INFO L514 InvariantChecker]: The annotation(s) from loop head L28-3 to error location mainErr3REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-13 10:10:59,444 INFO L58 RefereeStarter]: Annotation is a valid proof of correctness. [2024-09-13 10:10:59,445 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@31931d27 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee CFG 13.09 10:10:59, skipping insertion in model container [2024-09-13 10:10:59,445 INFO L131 PluginConnector]: ------------------------ END Referee---------------------------- [2024-09-13 10:10:59,447 INFO L158 Benchmark]: Toolchain (without parser) took 1110.36ms. Allocated memory was 151.0MB in the beginning and 243.3MB in the end (delta: 92.3MB). Free memory was 77.2MB in the beginning and 160.1MB in the end (delta: -82.8MB). Peak memory consumption was 11.0MB. Max. memory is 16.1GB. [2024-09-13 10:10:59,448 INFO L158 Benchmark]: Witness Parser took 0.17ms. Allocated memory is still 151.0MB. Free memory was 103.3MB in the beginning and 103.1MB in the end (delta: 151.0kB). There was no memory consumed. Max. memory is 16.1GB. [2024-09-13 10:10:59,448 INFO L158 Benchmark]: CDTParser took 0.15ms. Allocated memory is still 151.0MB. Free memory is still 122.5MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-13 10:10:59,449 INFO L158 Benchmark]: CACSL2BoogieTranslator took 251.88ms. Allocated memory is still 151.0MB. Free memory was 77.1MB in the beginning and 119.8MB in the end (delta: -42.7MB). Peak memory consumption was 17.0MB. Max. memory is 16.1GB. [2024-09-13 10:10:59,450 INFO L158 Benchmark]: Boogie Preprocessor took 57.68ms. Allocated memory was 151.0MB in the beginning and 243.3MB in the end (delta: 92.3MB). Free memory was 119.8MB in the beginning and 213.8MB in the end (delta: -94.0MB). Peak memory consumption was 4.5MB. Max. memory is 16.1GB. [2024-09-13 10:10:59,450 INFO L158 Benchmark]: RCFGBuilder took 415.67ms. Allocated memory is still 243.3MB. Free memory was 213.8MB in the beginning and 198.1MB in the end (delta: 15.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-09-13 10:10:59,450 INFO L158 Benchmark]: Referee took 379.01ms. Allocated memory is still 243.3MB. Free memory was 198.1MB in the beginning and 160.1MB in the end (delta: 38.0MB). Peak memory consumption was 37.7MB. Max. memory is 16.1GB. [2024-09-13 10:10:59,452 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 exit of procedure __VERIFIER_assert. Annotation is valid for all loop-free paths from entry of procedure assume_abort_if_not to exit of procedure assume_abort_if_not. Annotation is valid for all loop-free paths from entry of procedure main to loop head at line 28. Annotation is valid for all loop-free paths from loop head at line 28 to check that procedure precondition always holds at line 39. Annotation is valid for all loop-free paths from loop head at line 28 to check that procedure precondition always holds at line 29. Annotation is valid for all loop-free paths from loop head at line 28 to loop head at line 28. Annotation is valid for all loop-free paths from loop head at line 28 to check that procedure precondition always holds at line 28. 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 0.17ms. Allocated memory is still 151.0MB. Free memory was 103.3MB in the beginning and 103.1MB in the end (delta: 151.0kB). There was no memory consumed. Max. memory is 16.1GB. * CDTParser took 0.15ms. Allocated memory is still 151.0MB. Free memory is still 122.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 251.88ms. Allocated memory is still 151.0MB. Free memory was 77.1MB in the beginning and 119.8MB in the end (delta: -42.7MB). Peak memory consumption was 17.0MB. Max. memory is 16.1GB. * Boogie Preprocessor took 57.68ms. Allocated memory was 151.0MB in the beginning and 243.3MB in the end (delta: 92.3MB). Free memory was 119.8MB in the beginning and 213.8MB in the end (delta: -94.0MB). Peak memory consumption was 4.5MB. Max. memory is 16.1GB. * RCFGBuilder took 415.67ms. Allocated memory is still 243.3MB. Free memory was 213.8MB in the beginning and 198.1MB in the end (delta: 15.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Referee took 379.01ms. Allocated memory is still 243.3MB. Free memory was 198.1MB in the beginning and 160.1MB in the end (delta: 38.0MB). Peak memory consumption was 37.7MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-09-13 10:10:59,476 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: TRUE