This is Ultimate 0.2.4-dev-1d5fa63-m [2024-09-13 10:10:56,199 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-13 10:10:56,281 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Default.epf [2024-09-13 10:10:56,288 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-13 10:10:56,290 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-13 10:10:56,319 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-13 10:10:56,320 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-13 10:10:56,321 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-13 10:10:56,321 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-13 10:10:56,322 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-13 10:10:56,323 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-13 10:10:56,324 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-13 10:10:56,324 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-13 10:10:56,325 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-13 10:10:56,326 INFO L153 SettingsManager]: * Use SBE=true [2024-09-13 10:10:56,327 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-13 10:10:56,327 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-13 10:10:56,327 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-13 10:10:56,327 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-09-13 10:10:56,328 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-13 10:10:56,328 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-13 10:10:56,328 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-13 10:10:56,329 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-13 10:10:56,332 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-13 10:10:56,333 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-13 10:10:56,333 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-13 10:10:56,333 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-13 10:10:56,333 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-13 10:10:56,334 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-13 10:10:56,334 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-13 10:10:56,334 INFO L153 SettingsManager]: * Future-live optimization=false [2024-09-13 10:10:56,334 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-13 10:10:56,334 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-13 10:10:56,334 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-13 10:10:56,335 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-13 10:10:56,335 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-13 10:10:56,335 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-13 10:10:56,335 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-09-13 10:10:56,336 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-09-13 10:10:56,336 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-13 10:10:56,336 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-13 10:10:56,337 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-13 10:10:56,338 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-13 10:10:56,338 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None [2024-09-13 10:10:56,579 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-13 10:10:56,601 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-13 10:10:56,603 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-13 10:10:56,604 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-13 10:10:56,605 INFO L274 PluginConnector]: CDTParser initialized [2024-09-13 10:10:56,606 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/nla-digbench-scaling/ps5-ll_valuebound20.c [2024-09-13 10:10:58,087 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-13 10:10:58,276 INFO L384 CDTParser]: Found 1 translation units. [2024-09-13 10:10:58,276 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench-scaling/ps5-ll_valuebound20.c [2024-09-13 10:10:58,287 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/b6169d31d/b05357299062433f98ca0bb70d5ebf1e/FLAGfc522a6fa [2024-09-13 10:10:58,300 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/b6169d31d/b05357299062433f98ca0bb70d5ebf1e [2024-09-13 10:10:58,303 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-13 10:10:58,303 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-13 10:10:58,305 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/automizer-verification-files/SV-COMP24_unreach-call/ps5-ll_valuebound20.yml/witness-2.1.yml [2024-09-13 10:10:58,355 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-13 10:10:58,356 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-09-13 10:10:58,358 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-13 10:10:58,358 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-13 10:10:58,363 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-13 10:10:58,363 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.09 10:10:58" (1/2) ... [2024-09-13 10:10:58,364 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@53993d75 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 10:10:58,367 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.09 10:10:58" (1/2) ... [2024-09-13 10:10:58,368 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@427ef3c0 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 10:10:58,368 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 10:10:58" (2/2) ... [2024-09-13 10:10:58,369 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@53993d75 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 10:10:58,369 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 10:10:58" (2/2) ... [2024-09-13 10:10:58,378 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-13 10:10:58,379 INFO L1541 ArrayList]: Loop invariant at [L28-L37] (((((c + ((__int128) c * y)) == (y + ((__int128) y * y))) && ((((__int128) c * 2) + ((__int128) c * y)) == (((__int128) y * 2) + ((__int128) y * y)))) && ((y + ((__int128) 30 * x)) == (((((((__int128) y * y) * y) * y) * 15) + (6 * (((((__int128) y * y) * y) * y) * y))) + ((((__int128) y * y) * y) * 10)))) && ((c < k) || (((__int128) y * y) == ((__int128) k * y)))) [2024-09-13 10:10:58,380 INFO L1541 ArrayList]: Function contract at [L9]: requires (1 <= \old(cond)), ensures (1 <= \old(cond)) [2024-09-13 10:10:58,398 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-13 10:10:58,575 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/ps5-ll_valuebound20.c[458,471] [2024-09-13 10:10:58,602 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-13 10:10:58,610 INFO L200 MainTranslator]: Completed pre-run Start Parsing Global Start Parsing Global [2024-09-13 10:10:58,644 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/ps5-ll_valuebound20.c[458,471] Start Parsing Local [2024-09-13 10:10:58,657 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-13 10:10:58,673 INFO L204 MainTranslator]: Completed translation [2024-09-13 10:10:58,674 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 13.09 10:10:58 WrapperNode [2024-09-13 10:10:58,675 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-13 10:10:58,676 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-13 10:10:58,676 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-13 10:10:58,676 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-13 10:10:58,688 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 13.09 10:10:58" (1/1) ... [2024-09-13 10:10:58,689 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 13.09 10:10:58" (1/1) ... [2024-09-13 10:10:58,699 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 13.09 10:10:58" (1/1) ... [2024-09-13 10:10:58,717 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 [2024-09-13 10:10:58,721 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 13.09 10:10:58" (1/1) ... [2024-09-13 10:10:58,722 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 13.09 10:10:58" (1/1) ... [2024-09-13 10:10:58,725 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 13.09 10:10:58" (1/1) ... [2024-09-13 10:10:58,732 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 13.09 10:10:58" (1/1) ... [2024-09-13 10:10:58,738 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 13.09 10:10:58" (1/1) ... [2024-09-13 10:10:58,740 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 13.09 10:10:58" (1/1) ... [2024-09-13 10:10:58,742 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-13 10:10:58,743 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-13 10:10:58,745 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-13 10:10:58,745 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-13 10:10:58,746 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 13.09 10:10:58" (1/1) ... [2024-09-13 10:10:58,751 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-13 10:10:58,760 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-09-13 10:10:58,787 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 10:10:58,794 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 10:10:58,835 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-09-13 10:10:58,835 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-13 10:10:58,835 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-09-13 10:10:58,835 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-09-13 10:10:58,835 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-09-13 10:10:58,835 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-09-13 10:10:58,835 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-09-13 10:10:58,836 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-09-13 10:10:58,836 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-09-13 10:10:58,836 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-13 10:10:58,836 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_short [2024-09-13 10:10:58,836 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-09-13 10:10:58,836 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-09-13 10:10:58,836 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-09-13 10:10:58,837 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-09-13 10:10:58,837 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-09-13 10:10:58,837 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-13 10:10:58,837 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-09-13 10:10:58,837 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-09-13 10:10:58,837 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-09-13 10:10:58,899 INFO L242 CfgBuilder]: Building ICFG [2024-09-13 10:10:58,901 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-13 10:10:59,036 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-13 10:10:59,052 INFO L291 CfgBuilder]: Performing block encoding [2024-09-13 10:10:59,085 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-13 10:10:59,089 INFO L318 CfgBuilder]: Removed 1 assume(true) statements. [2024-09-13 10:10:59,090 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.09 10:10:59 BoogieIcfgContainer [2024-09-13 10:10:59,090 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-13 10:10:59,091 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-09-13 10:10:59,091 INFO L270 PluginConnector]: Initializing Referee... [2024-09-13 10:10:59,092 INFO L274 PluginConnector]: Referee initialized [2024-09-13 10:10:59,092 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 13.09 10:10:58" (1/4) ... [2024-09-13 10:10:59,092 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@5ed5cd6b 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 10:10:59,093 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 10:10:58" (2/4) ... [2024-09-13 10:10:59,093 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@5ed5cd6b 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 10:10:59,093 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 13.09 10:10:58" (3/4) ... [2024-09-13 10:10:59,093 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@5ed5cd6b 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 10:10:59,093 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.09 10:10:59" (4/4) ... [2024-09-13 10:10:59,095 INFO L79 RefereeObserver]: Analyzing ICFG ps5-ll_valuebound20.c [2024-09-13 10:10:59,098 INFO L112 InvariantChecker]: Found 1 loops. [2024-09-13 10:10:59,102 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 10:10:59,103 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 10:10:59,103 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 10:10:59,103 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 10:10:59,103 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 10:10:59,103 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 10:10:59,103 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 10:10:59,104 INFO L130 InvariantChecker]: Will check 1 loop-free subgraphs from loop head to loop head, 2 loop-free subgraphs from procedure entry to error location, 1 loop-free subgraphs from procedure entry to loop head, 3 loop-free subgraphs from loop head to error location [2024-09-13 10:10:59,167 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 7 edges [2024-09-13 10:10:59,169 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 10:10:59,170 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 10:10:59,171 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 10:10:59,172 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 10:10:59,174 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:10:59,208 INFO L101 BaseMinimizeStates]: Removed 12 edges and 4 locations by large block encoding [2024-09-13 10:10:59,210 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:10:59,210 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 10:10:59,225 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 10:10:59,244 INFO L514 InvariantChecker]: The annotation(s) from loop head L28-3 to error location mainErr2REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-13 10:10:59,268 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 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 10:10:59,270 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 10:10:59,280 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-13 10:10:59,280 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:10:59,280 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 10:10:59,280 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 10:10:59,281 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 10:10:59,281 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 10:10:59,285 INFO L514 InvariantChecker]: The annotation(s) from loop head L28-3 to error location mainErr1REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-13 10:10:59,308 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 5 edges [2024-09-13 10:10:59,309 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 10:10:59,311 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 10:10:59,312 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 10:10:59,312 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 10:10:59,312 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:10:59,318 INFO L101 BaseMinimizeStates]: Removed 8 edges and 4 locations by large block encoding [2024-09-13 10:10:59,319 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 10:10:59,320 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 10:10:59,328 INFO L514 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-13 10:10:59,347 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 5 edges [2024-09-13 10:10:59,347 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 10:10:59,348 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 10:10:59,348 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 10:10:59,349 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 10:10:59,349 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:10:59,369 INFO L101 BaseMinimizeStates]: Removed 8 edges and 4 locations by large block encoding [2024-09-13 10:10:59,370 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:10:59,370 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 10:10:59,370 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 10:10:59,370 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 10:10:59,370 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 10:10:59,454 INFO L514 InvariantChecker]: The annotation(s) from loop head L28-3 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-13 10:10:59,468 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 5 edges [2024-09-13 10:10:59,468 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 10:10:59,468 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 10:10:59,468 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 10:10:59,469 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 10:10:59,469 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:10:59,473 INFO L101 BaseMinimizeStates]: Removed 8 edges and 3 locations by large block encoding [2024-09-13 10:10:59,475 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:10:59,475 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 10:10:59,475 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 10:10:59,475 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 10:10:59,477 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 10:10:59,479 INFO L514 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-13 10:10:59,497 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-13 10:10:59,501 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 10:10:59,502 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 10:10:59,502 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 10:10:59,502 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 10:10:59,502 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:10:59,503 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-13 10:10:59,507 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:10:59,507 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 10:10:59,508 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 10:10:59,508 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 10:10:59,508 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 10:10:59,510 INFO L514 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION is inductive. [2024-09-13 10:10:59,523 INFO L314 BlockEncoder]: Initial Icfg 7 locations, 8 edges [2024-09-13 10:10:59,524 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 10:10:59,524 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 10:10:59,524 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 10:10:59,525 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 10:10:59,525 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:10:59,551 INFO L101 BaseMinimizeStates]: Removed 16 edges and 5 locations by large block encoding [2024-09-13 10:10:59,551 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:10:59,552 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 10:10:59,552 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 10:10:59,552 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 10:10:59,556 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 10:10:59,561 INFO L514 InvariantChecker]: The annotation(s) from loop head L28-3 to error location mainErr3REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-13 10:10:59,564 INFO L58 RefereeStarter]: Annotation is a valid proof of correctness. [2024-09-13 10:10:59,565 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@5ed5cd6b and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CFG 13.09 10:10:59, skipping insertion in model container [2024-09-13 10:10:59,565 INFO L131 PluginConnector]: ------------------------ END Referee---------------------------- [2024-09-13 10:10:59,567 INFO L158 Benchmark]: Toolchain (without parser) took 1209.73ms. Allocated memory is still 155.2MB. Free memory was 85.6MB in the beginning and 64.1MB in the end (delta: 21.5MB). Peak memory consumption was 23.5MB. Max. memory is 16.1GB. [2024-09-13 10:10:59,568 INFO L158 Benchmark]: CDTParser took 0.18ms. Allocated memory is still 113.2MB. Free memory is still 77.4MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-13 10:10:59,569 INFO L158 Benchmark]: Witness Parser took 0.17ms. Allocated memory is still 155.2MB. Free memory is still 87.6MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-13 10:10:59,569 INFO L158 Benchmark]: CACSL2BoogieTranslator took 317.37ms. Allocated memory is still 155.2MB. Free memory was 85.5MB in the beginning and 121.4MB in the end (delta: -35.9MB). Peak memory consumption was 13.0MB. Max. memory is 16.1GB. [2024-09-13 10:10:59,570 INFO L158 Benchmark]: Boogie Preprocessor took 66.76ms. Allocated memory is still 155.2MB. Free memory was 121.4MB in the beginning and 118.6MB in the end (delta: 2.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-09-13 10:10:59,571 INFO L158 Benchmark]: RCFGBuilder took 347.03ms. Allocated memory is still 155.2MB. Free memory was 118.6MB in the beginning and 104.0MB in the end (delta: 14.6MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-09-13 10:10:59,571 INFO L158 Benchmark]: Referee took 474.24ms. Allocated memory is still 155.2MB. Free memory was 104.0MB in the beginning and 64.1MB in the end (delta: 39.8MB). Peak memory consumption was 39.8MB. Max. memory is 16.1GB. [2024-09-13 10:10:59,574 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 28 to check that procedure precondition always holds at line 29. 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 __VERIFIER_assert to check that a call to reach_error is unreachable at line 11. 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 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. * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18ms. Allocated memory is still 113.2MB. Free memory is still 77.4MB. There was no memory consumed. Max. memory is 16.1GB. * Witness Parser took 0.17ms. Allocated memory is still 155.2MB. Free memory is still 87.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 317.37ms. Allocated memory is still 155.2MB. Free memory was 85.5MB in the beginning and 121.4MB in the end (delta: -35.9MB). Peak memory consumption was 13.0MB. Max. memory is 16.1GB. * Boogie Preprocessor took 66.76ms. Allocated memory is still 155.2MB. Free memory was 121.4MB in the beginning and 118.6MB in the end (delta: 2.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 347.03ms. Allocated memory is still 155.2MB. Free memory was 118.6MB in the beginning and 104.0MB in the end (delta: 14.6MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Referee took 474.24ms. Allocated memory is still 155.2MB. Free memory was 104.0MB in the beginning and 64.1MB in the end (delta: 39.8MB). Peak memory consumption was 39.8MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-09-13 10:10:59,595 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...