./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/nla-digbench-scaling/ps2-ll_valuebound10.c --full-output --witness-type correctness_witness --validate ../results/automizer-verification-files/SV-COMP24_unreach-call/ps2-ll_valuebound10.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/ps2-ll_valuebound10.c ../results/automizer-verification-files/SV-COMP24_unreach-call/ps2-ll_valuebound10.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 20:52:17,593 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-11 20:52:17,675 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Default.epf [2024-09-11 20:52:17,681 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-11 20:52:17,682 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-11 20:52:17,722 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-11 20:52:17,722 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-11 20:52:17,723 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-11 20:52:17,723 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-11 20:52:17,723 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-11 20:52:17,724 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-11 20:52:17,726 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-11 20:52:17,726 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-11 20:52:17,727 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-11 20:52:17,727 INFO L153 SettingsManager]: * Use SBE=true [2024-09-11 20:52:17,728 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-11 20:52:17,728 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-11 20:52:17,728 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-11 20:52:17,729 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-09-11 20:52:17,729 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-11 20:52:17,729 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-11 20:52:17,730 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-11 20:52:17,730 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-11 20:52:17,730 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-11 20:52:17,731 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-11 20:52:17,731 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-11 20:52:17,731 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-11 20:52:17,731 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-11 20:52:17,732 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-11 20:52:17,732 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-11 20:52:17,732 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-11 20:52:17,733 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-11 20:52:17,733 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-11 20:52:17,733 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-11 20:52:17,734 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-11 20:52:17,734 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-11 20:52:17,734 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-09-11 20:52:17,735 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-09-11 20:52:17,735 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-11 20:52:17,735 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-11 20:52:17,736 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-11 20:52:17,736 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-11 20:52:17,736 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None [2024-09-11 20:52:17,998 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-11 20:52:18,023 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-11 20:52:18,027 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-11 20:52:18,028 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-11 20:52:18,029 INFO L274 PluginConnector]: CDTParser initialized [2024-09-11 20:52:18,030 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/nla-digbench-scaling/ps2-ll_valuebound10.c [2024-09-11 20:52:19,400 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-11 20:52:19,632 INFO L384 CDTParser]: Found 1 translation units. [2024-09-11 20:52:19,633 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench-scaling/ps2-ll_valuebound10.c [2024-09-11 20:52:19,644 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/f2c0af827/e56191e531db44e386b504fbf52223a3/FLAG3c4cc57da [2024-09-11 20:52:19,970 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/f2c0af827/e56191e531db44e386b504fbf52223a3 [2024-09-11 20:52:19,973 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-11 20:52:19,973 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-11 20:52:19,974 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/automizer-verification-files/SV-COMP24_unreach-call/ps2-ll_valuebound10.yml/witness-2.1.yml [2024-09-11 20:52:20,025 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-11 20:52:20,027 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-09-11 20:52:20,029 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-11 20:52:20,029 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-11 20:52:20,034 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-11 20:52:20,035 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.09 08:52:19" (1/2) ... [2024-09-11 20:52:20,037 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1cb03ee7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:52:20, skipping insertion in model container [2024-09-11 20:52:20,037 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.09 08:52:19" (1/2) ... [2024-09-11 20:52:20,039 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@f4edd43 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:52:20, skipping insertion in model container [2024-09-11 20:52:20,039 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 08:52:20" (2/2) ... [2024-09-11 20:52:20,039 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1cb03ee7 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 11.09 08:52:20, skipping insertion in model container [2024-09-11 20:52:20,040 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 08:52:20" (2/2) ... [2024-09-11 20:52:20,047 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-11 20:52:20,048 INFO L1541 ArrayList]: Loop invariant at [L27-L36] (((__int128) 2 * x) == (y + ((__int128) y * y))) [2024-09-11 20:52:20,049 INFO L1541 ArrayList]: Function contract at [L9]: requires (1 <= \old(cond)), ensures (1 <= \old(cond)) [2024-09-11 20:52:20,067 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-11 20:52:20,222 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/ps2-ll_valuebound10.c[454,467] [2024-09-11 20:52:20,236 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-11 20:52:20,244 INFO L200 MainTranslator]: Completed pre-run Start Parsing Global Start Parsing Global [2024-09-11 20:52:20,288 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/ps2-ll_valuebound10.c[454,467] Start Parsing Local [2024-09-11 20:52:20,297 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-11 20:52:20,313 INFO L204 MainTranslator]: Completed translation [2024-09-11 20:52:20,314 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 11.09 08:52:20 WrapperNode [2024-09-11 20:52:20,314 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-11 20:52:20,315 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-11 20:52:20,315 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-11 20:52:20,315 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-11 20:52:20,327 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 08:52:20" (1/1) ... [2024-09-11 20:52:20,328 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 08:52:20" (1/1) ... [2024-09-11 20:52:20,335 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 08:52:20" (1/1) ... [2024-09-11 20:52:20,348 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 20:52:20,350 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 08:52:20" (1/1) ... [2024-09-11 20:52:20,350 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 08:52:20" (1/1) ... [2024-09-11 20:52:20,354 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 08:52:20" (1/1) ... [2024-09-11 20:52:20,358 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 08:52:20" (1/1) ... [2024-09-11 20:52:20,359 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 08:52:20" (1/1) ... [2024-09-11 20:52:20,363 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 08:52:20" (1/1) ... [2024-09-11 20:52:20,364 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-11 20:52:20,365 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-11 20:52:20,365 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-11 20:52:20,365 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-11 20:52:20,366 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 08:52:20" (1/1) ... [2024-09-11 20:52:20,372 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-11 20:52:20,381 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-09-11 20:52:20,398 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 20:52:20,403 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 20:52:20,446 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-09-11 20:52:20,446 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-11 20:52:20,446 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-09-11 20:52:20,446 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-09-11 20:52:20,446 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-09-11 20:52:20,448 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-09-11 20:52:20,448 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-09-11 20:52:20,448 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-09-11 20:52:20,448 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-09-11 20:52:20,448 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-11 20:52:20,449 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2024-09-11 20:52:20,449 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-09-11 20:52:20,449 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-09-11 20:52:20,449 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-09-11 20:52:20,449 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-09-11 20:52:20,449 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-09-11 20:52:20,450 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-11 20:52:20,450 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-09-11 20:52:20,450 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-09-11 20:52:20,450 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-09-11 20:52:20,511 INFO L242 CfgBuilder]: Building ICFG [2024-09-11 20:52:20,513 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-11 20:52:20,638 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-11 20:52:20,683 INFO L? ?]: Removed 14 outVars from TransFormulas that were not future-live. [2024-09-11 20:52:20,684 INFO L291 CfgBuilder]: Performing block encoding [2024-09-11 20:52:20,706 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-11 20:52:20,707 INFO L318 CfgBuilder]: Removed 1 assume(true) statements. [2024-09-11 20:52:20,707 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.09 08:52:20 BoogieIcfgContainer [2024-09-11 20:52:20,707 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-11 20:52:20,708 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-09-11 20:52:20,708 INFO L270 PluginConnector]: Initializing Referee... [2024-09-11 20:52:20,709 INFO L274 PluginConnector]: Referee initialized [2024-09-11 20:52:20,709 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 11.09 08:52:19" (1/4) ... [2024-09-11 20:52:20,709 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@329581ef and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 11.09 08:52:20, skipping insertion in model container [2024-09-11 20:52:20,709 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 08:52:20" (2/4) ... [2024-09-11 20:52:20,710 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@329581ef and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 11.09 08:52:20, skipping insertion in model container [2024-09-11 20:52:20,710 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 08:52:20" (3/4) ... [2024-09-11 20:52:20,710 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@329581ef and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 11.09 08:52:20, skipping insertion in model container [2024-09-11 20:52:20,710 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 08:52:20" (4/4) ... [2024-09-11 20:52:20,711 INFO L79 RefereeObserver]: Analyzing ICFG ps2-ll_valuebound10.c [2024-09-11 20:52:20,717 INFO L112 InvariantChecker]: Found 1 loops. [2024-09-11 20:52:20,718 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 20:52:20,718 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 20:52:20,718 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 20:52:20,718 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 20:52:20,719 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 20:52:20,719 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 20:52:20,719 INFO L130 InvariantChecker]: Will check 2 loop-free subgraphs from procedure entry to error location, 1 loop-free subgraphs from loop head to loop head, 1 loop-free subgraphs from procedure entry to loop head, 2 loop-free subgraphs from loop head to error location [2024-09-11 20:52:20,774 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 7 edges [2024-09-11 20:52:20,775 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:52:20,776 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:52:20,776 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:52:20,777 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:52:20,778 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:52:20,799 INFO L101 BaseMinimizeStates]: Removed 12 edges and 4 locations by large block encoding [2024-09-11 20:52:20,800 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:52:20,800 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:52:20,800 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:52:20,801 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:52:20,805 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:52:20,818 INFO L514 InvariantChecker]: The annotation(s) from loop head L27-3 to error location mainErr2REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-11 20:52:20,828 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-11 20:52:20,828 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:52:20,828 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:52:20,828 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:52:20,829 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:52:20,829 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:52:20,832 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-11 20:52:20,832 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:52:20,832 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:52:20,832 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:52:20,832 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:52:20,832 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:52:20,834 INFO L514 InvariantChecker]: The annotation(s) from loop head L27-3 to error location mainErr1REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-11 20:52:20,844 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 4 edges [2024-09-11 20:52:20,844 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:52:20,844 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:52:20,845 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:52:20,845 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:52:20,845 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:52:20,852 INFO L101 BaseMinimizeStates]: Removed 6 edges and 3 locations by large block encoding [2024-09-11 20:52:20,852 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:52:20,853 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:52:20,853 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:52:20,853 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:52:20,853 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:52:20,859 INFO L514 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-11 20:52:20,875 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 5 edges [2024-09-11 20:52:20,875 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:52:20,876 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:52:20,876 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:52:20,876 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:52:20,876 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:52:20,892 INFO L101 BaseMinimizeStates]: Removed 8 edges and 4 locations by large block encoding [2024-09-11 20:52:20,892 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:52:20,892 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:52:20,892 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:52:20,892 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:52:20,893 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:52:20,897 INFO L514 InvariantChecker]: The annotation(s) from loop head L27-3 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-11 20:52:20,906 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 5 edges [2024-09-11 20:52:20,907 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:52:20,908 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:52:20,908 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:52:20,908 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:52:20,908 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:52:20,912 INFO L101 BaseMinimizeStates]: Removed 8 edges and 3 locations by large block encoding [2024-09-11 20:52:20,913 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:52:20,913 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:52:20,913 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:52:20,913 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:52:20,914 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:52:20,916 INFO L514 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-11 20:52:20,931 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-11 20:52:20,932 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:52:20,932 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:52:20,932 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:52:20,932 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:52:20,932 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:52:20,934 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-11 20:52:20,934 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:52:20,934 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:52:20,938 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:52:20,938 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:52:20,938 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:52:20,941 INFO L514 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION is inductive. [2024-09-11 20:52:20,945 INFO L58 RefereeStarter]: Annotation is a valid proof of correctness [2024-09-11 20:52:20,946 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@329581ef and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CFG 11.09 08:52:20, skipping insertion in model container [2024-09-11 20:52:20,946 INFO L131 PluginConnector]: ------------------------ END Referee---------------------------- [2024-09-11 20:52:20,948 INFO L158 Benchmark]: Toolchain (without parser) took 920.13ms. Allocated memory is still 157.3MB. Free memory was 122.6MB in the beginning and 77.1MB in the end (delta: 45.6MB). Peak memory consumption was 46.1MB. Max. memory is 16.1GB. [2024-09-11 20:52:20,948 INFO L158 Benchmark]: CDTParser took 0.20ms. Allocated memory is still 157.3MB. Free memory is still 122.0MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-11 20:52:20,948 INFO L158 Benchmark]: Witness Parser took 0.08ms. Allocated memory is still 157.3MB. Free memory is still 124.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-11 20:52:20,949 INFO L158 Benchmark]: CACSL2BoogieTranslator took 285.21ms. Allocated memory is still 157.3MB. Free memory was 122.6MB in the beginning and 109.0MB in the end (delta: 13.6MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-09-11 20:52:20,949 INFO L158 Benchmark]: Boogie Preprocessor took 49.58ms. Allocated memory is still 157.3MB. Free memory was 109.0MB in the beginning and 107.0MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-09-11 20:52:20,950 INFO L158 Benchmark]: RCFGBuilder took 342.13ms. Allocated memory is still 157.3MB. Free memory was 107.0MB in the beginning and 93.8MB in the end (delta: 13.2MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-09-11 20:52:20,952 INFO L158 Benchmark]: Referee took 238.17ms. Allocated memory is still 157.3MB. Free memory was 93.8MB in the beginning and 77.1MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-09-11 20:52:20,955 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 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 __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 entry of procedure main to loop head at line 27. Annotation is valid for all loop-free paths from loop head at line 27 to loop head at line 27. * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20ms. Allocated memory is still 157.3MB. Free memory is still 122.0MB. There was no memory consumed. Max. memory is 16.1GB. * Witness Parser took 0.08ms. Allocated memory is still 157.3MB. Free memory is still 124.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 285.21ms. Allocated memory is still 157.3MB. Free memory was 122.6MB in the beginning and 109.0MB in the end (delta: 13.6MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Preprocessor took 49.58ms. Allocated memory is still 157.3MB. Free memory was 109.0MB in the beginning and 107.0MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 342.13ms. Allocated memory is still 157.3MB. Free memory was 107.0MB in the beginning and 93.8MB in the end (delta: 13.2MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Referee took 238.17ms. Allocated memory is still 157.3MB. Free memory was 93.8MB in the beginning and 77.1MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-09-11 20:52:20,982 INFO L552 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/referee/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/certificate-witnesses-artifact/referee/data/config -Xmx15G -Xms4m -jar /storage/repos/certificate-witnesses-artifact/referee/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/certificate-witnesses-artifact/referee/data -tc /storage/repos/certificate-witnesses-artifact/referee/config/RefereeReachWitnessValidation.xml -i ../sv-benchmarks/c/nla-digbench-scaling/ps2-ll_valuebound10.c ../results/automizer-verification-files/SV-COMP24_unreach-call/ps2-ll_valuebound10.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 20:52:23,159 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-11 20:52:23,237 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Bitvector.epf [2024-09-11 20:52:23,242 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-11 20:52:23,243 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-11 20:52:23,270 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-11 20:52:23,270 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-11 20:52:23,271 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-11 20:52:23,271 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-11 20:52:23,272 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-11 20:52:23,272 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-11 20:52:23,272 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-11 20:52:23,273 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-11 20:52:23,273 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-11 20:52:23,274 INFO L153 SettingsManager]: * Use SBE=true [2024-09-11 20:52:23,277 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-11 20:52:23,277 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-11 20:52:23,277 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-11 20:52:23,277 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-11 20:52:23,278 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-11 20:52:23,278 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-11 20:52:23,279 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-11 20:52:23,279 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-11 20:52:23,279 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-09-11 20:52:23,279 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-09-11 20:52:23,280 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-11 20:52:23,280 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-09-11 20:52:23,280 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-11 20:52:23,281 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-11 20:52:23,281 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-11 20:52:23,281 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-11 20:52:23,281 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-11 20:52:23,282 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-11 20:52:23,282 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-11 20:52:23,282 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-11 20:52:23,283 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-11 20:52:23,283 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-11 20:52:23,283 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-11 20:52:23,284 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-09-11 20:52:23,284 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-09-11 20:52:23,284 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-11 20:52:23,285 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-11 20:52:23,285 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-11 20:52:23,285 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-11 20:52:23,285 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2024-09-11 20:52:23,286 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None [2024-09-11 20:52:23,589 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-11 20:52:23,609 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-11 20:52:23,612 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-11 20:52:23,613 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-11 20:52:23,614 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-11 20:52:23,615 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/automizer-verification-files/SV-COMP24_unreach-call/ps2-ll_valuebound10.yml/witness-2.1.yml [2024-09-11 20:52:23,665 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-11 20:52:23,666 INFO L274 PluginConnector]: CDTParser initialized [2024-09-11 20:52:23,666 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/nla-digbench-scaling/ps2-ll_valuebound10.c [2024-09-11 20:52:25,228 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-11 20:52:25,423 INFO L384 CDTParser]: Found 1 translation units. [2024-09-11 20:52:25,424 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench-scaling/ps2-ll_valuebound10.c [2024-09-11 20:52:25,431 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/1b17cf590/626462c0239b4e6290c4f468c78aa64f/FLAGa88482623 [2024-09-11 20:52:25,447 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/1b17cf590/626462c0239b4e6290c4f468c78aa64f [2024-09-11 20:52:25,447 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-11 20:52:25,448 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-09-11 20:52:25,449 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-11 20:52:25,449 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-11 20:52:25,453 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-11 20:52:25,454 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 08:52:23" (1/2) ... [2024-09-11 20:52:25,455 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4601ada1 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 11.09 08:52:25, skipping insertion in model container [2024-09-11 20:52:25,456 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 08:52:23" (1/2) ... [2024-09-11 20:52:25,457 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@37c290dc and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 11.09 08:52:25, skipping insertion in model container [2024-09-11 20:52:25,457 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.09 08:52:25" (2/2) ... [2024-09-11 20:52:25,457 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4601ada1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:52:25, skipping insertion in model container [2024-09-11 20:52:25,457 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.09 08:52:25" (2/2) ... [2024-09-11 20:52:25,465 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-11 20:52:25,466 INFO L1541 ArrayList]: Loop invariant at [L27-L36] (((__int128) 2 * x) == (y + ((__int128) y * y))) [2024-09-11 20:52:25,467 INFO L1541 ArrayList]: Function contract at [L9]: requires (1 <= \old(cond)), ensures (1 <= \old(cond)) [2024-09-11 20:52:25,485 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-11 20:52:25,656 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/ps2-ll_valuebound10.c[454,467] [2024-09-11 20:52:25,682 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-11 20:52:25,695 INFO L200 MainTranslator]: Completed pre-run Start Parsing Global Start Parsing Global [2024-09-11 20:52:25,736 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/ps2-ll_valuebound10.c[454,467] Start Parsing Local [2024-09-11 20:52:25,747 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-11 20:52:25,766 INFO L204 MainTranslator]: Completed translation [2024-09-11 20:52:25,767 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:52:25 WrapperNode [2024-09-11 20:52:25,767 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-11 20:52:25,768 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-11 20:52:25,768 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-11 20:52:25,768 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-11 20:52:25,780 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:52:25" (1/1) ... [2024-09-11 20:52:25,781 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:52:25" (1/1) ... [2024-09-11 20:52:25,789 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:52:25" (1/1) ... [2024-09-11 20:52:25,801 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 20:52:25,801 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:52:25" (1/1) ... [2024-09-11 20:52:25,801 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:52:25" (1/1) ... [2024-09-11 20:52:25,808 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:52:25" (1/1) ... [2024-09-11 20:52:25,813 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:52:25" (1/1) ... [2024-09-11 20:52:25,815 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:52:25" (1/1) ... [2024-09-11 20:52:25,816 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:52:25" (1/1) ... [2024-09-11 20:52:25,822 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-11 20:52:25,823 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-11 20:52:25,823 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-11 20:52:25,823 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-11 20:52:25,824 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:52:25" (1/1) ... [2024-09-11 20:52:25,830 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-11 20:52:25,839 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-09-11 20:52:25,854 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 20:52:25,858 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 20:52:25,904 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-09-11 20:52:25,904 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-11 20:52:25,906 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-09-11 20:52:25,906 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-09-11 20:52:25,906 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-09-11 20:52:25,906 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-09-11 20:52:25,907 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-09-11 20:52:25,907 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-09-11 20:52:25,907 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-09-11 20:52:25,907 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-11 20:52:25,907 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2024-09-11 20:52:25,907 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-09-11 20:52:25,907 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-09-11 20:52:25,908 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-09-11 20:52:25,908 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-09-11 20:52:25,908 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-09-11 20:52:25,908 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-11 20:52:25,908 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2024-09-11 20:52:25,908 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2024-09-11 20:52:25,909 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-09-11 20:52:25,987 INFO L242 CfgBuilder]: Building ICFG [2024-09-11 20:52:25,990 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-11 20:52:26,685 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-11 20:52:26,735 INFO L? ?]: Removed 14 outVars from TransFormulas that were not future-live. [2024-09-11 20:52:26,735 INFO L291 CfgBuilder]: Performing block encoding [2024-09-11 20:52:26,765 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-11 20:52:26,766 INFO L318 CfgBuilder]: Removed 1 assume(true) statements. [2024-09-11 20:52:26,766 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.09 08:52:26 BoogieIcfgContainer [2024-09-11 20:52:26,766 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-11 20:52:26,767 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-09-11 20:52:26,767 INFO L270 PluginConnector]: Initializing Referee... [2024-09-11 20:52:26,768 INFO L274 PluginConnector]: Referee initialized [2024-09-11 20:52:26,768 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 08:52:23" (1/4) ... [2024-09-11 20:52:26,768 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@103e154b and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 11.09 08:52:26, skipping insertion in model container [2024-09-11 20:52:26,768 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 11.09 08:52:25" (2/4) ... [2024-09-11 20:52:26,769 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@103e154b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 11.09 08:52:26, skipping insertion in model container [2024-09-11 20:52:26,769 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:52:25" (3/4) ... [2024-09-11 20:52:26,769 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@103e154b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 11.09 08:52:26, skipping insertion in model container [2024-09-11 20:52:26,769 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.09 08:52:26" (4/4) ... [2024-09-11 20:52:26,770 INFO L79 RefereeObserver]: Analyzing ICFG ps2-ll_valuebound10.c [2024-09-11 20:52:26,773 INFO L112 InvariantChecker]: Found 1 loops. [2024-09-11 20:52:26,774 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 20:52:26,774 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 20:52:26,775 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 20:52:26,775 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 20:52:26,775 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 20:52:26,775 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 20:52:26,775 INFO L130 InvariantChecker]: Will check 1 loop-free subgraphs from loop head to loop head, 2 loop-free subgraphs from loop head to error location, 1 loop-free subgraphs from procedure entry to loop head, 2 loop-free subgraphs from procedure entry to error location [2024-09-11 20:52:26,813 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 7 edges [2024-09-11 20:52:26,814 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:52:26,815 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:52:26,816 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:52:26,817 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:52:26,819 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:52:26,859 INFO L101 BaseMinimizeStates]: Removed 12 edges and 4 locations by large block encoding [2024-09-11 20:52:26,860 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:52:26,860 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:52:26,860 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:52:26,861 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:52:26,864 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:52:26,883 INFO L514 InvariantChecker]: The annotation(s) from loop head L27-3 to error location mainErr2REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-11 20:52:26,908 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-11 20:52:26,911 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:52:26,912 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:52:26,913 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:52:26,913 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:52:26,914 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:52:26,920 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-11 20:52:26,921 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:52:26,921 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:52:26,922 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:52:26,922 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:52:26,922 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:52:30,984 INFO L510 InvariantChecker]: unknown inductivity: todo good error message [2024-09-11 20:52:31,017 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 4 edges [2024-09-11 20:52:31,017 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:52:31,018 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:52:31,018 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:52:31,018 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:52:31,018 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:52:31,024 INFO L101 BaseMinimizeStates]: Removed 6 edges and 3 locations by large block encoding [2024-09-11 20:52:31,025 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:52:31,025 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:52:31,025 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:52:31,025 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:52:31,025 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:52:31,030 INFO L514 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-11 20:52:31,042 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 5 edges [2024-09-11 20:52:31,043 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:52:31,043 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:52:31,043 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:52:31,043 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:52:31,043 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:52:31,060 INFO L101 BaseMinimizeStates]: Removed 8 edges and 4 locations by large block encoding [2024-09-11 20:52:31,061 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:52:31,061 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:52:31,061 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:52:31,061 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:52:31,062 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:52:35,223 INFO L510 InvariantChecker]: unknown inductivity: todo good error message [2024-09-11 20:52:35,271 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 5 edges [2024-09-11 20:52:35,272 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:52:35,272 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:52:35,272 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:52:35,272 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:52:35,272 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:52:35,276 INFO L101 BaseMinimizeStates]: Removed 8 edges and 3 locations by large block encoding [2024-09-11 20:52:35,276 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:52:35,276 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:52:35,276 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:52:35,276 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:52:35,277 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:52:35,282 INFO L514 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-11 20:52:35,292 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-11 20:52:35,293 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:52:35,293 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:52:35,293 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:52:35,293 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:52:35,293 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:52:35,295 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-11 20:52:35,295 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:52:35,296 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:52:35,296 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:52:35,296 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:52:35,296 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:52:35,302 INFO L514 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION is inductive. [2024-09-11 20:52:35,305 INFO L58 RefereeStarter]: Insufficient resources for checking whether annotation is a valid proof of correctness [2024-09-11 20:52:35,305 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@103e154b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee CFG 11.09 08:52:35, skipping insertion in model container [2024-09-11 20:52:35,306 INFO L131 PluginConnector]: ------------------------ END Referee---------------------------- [2024-09-11 20:52:35,307 INFO L158 Benchmark]: Toolchain (without parser) took 9858.07ms. Allocated memory is still 81.8MB. Free memory was 56.9MB in the beginning and 30.9MB in the end (delta: 26.0MB). Peak memory consumption was 27.1MB. Max. memory is 16.1GB. [2024-09-11 20:52:35,308 INFO L158 Benchmark]: Witness Parser took 0.14ms. Allocated memory is still 56.6MB. Free memory was 33.7MB in the beginning and 33.6MB in the end (delta: 73.4kB). There was no memory consumed. Max. memory is 16.1GB. [2024-09-11 20:52:35,308 INFO L158 Benchmark]: CDTParser took 0.11ms. Allocated memory is still 56.6MB. Free memory is still 31.6MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-11 20:52:35,308 INFO L158 Benchmark]: CACSL2BoogieTranslator took 318.05ms. Allocated memory is still 81.8MB. Free memory was 56.7MB in the beginning and 43.0MB in the end (delta: 13.6MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-09-11 20:52:35,309 INFO L158 Benchmark]: Boogie Preprocessor took 54.41ms. Allocated memory is still 81.8MB. Free memory was 43.0MB in the beginning and 40.7MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-09-11 20:52:35,309 INFO L158 Benchmark]: RCFGBuilder took 943.52ms. Allocated memory is still 81.8MB. Free memory was 40.7MB in the beginning and 55.2MB in the end (delta: -14.5MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-09-11 20:52:35,310 INFO L158 Benchmark]: Referee took 8538.65ms. Allocated memory is still 81.8MB. Free memory was 55.2MB in the beginning and 30.9MB in the end (delta: 24.4MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-09-11 20:52:35,312 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 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 __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 entry of procedure main 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 27. * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Witness Parser took 0.14ms. Allocated memory is still 56.6MB. Free memory was 33.7MB in the beginning and 33.6MB in the end (delta: 73.4kB). There was no memory consumed. Max. memory is 16.1GB. * CDTParser took 0.11ms. Allocated memory is still 56.6MB. Free memory is still 31.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 318.05ms. Allocated memory is still 81.8MB. Free memory was 56.7MB in the beginning and 43.0MB in the end (delta: 13.6MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Preprocessor took 54.41ms. Allocated memory is still 81.8MB. Free memory was 43.0MB in the beginning and 40.7MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 943.52ms. Allocated memory is still 81.8MB. Free memory was 40.7MB in the beginning and 55.2MB in the end (delta: -14.5MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Referee took 8538.65ms. Allocated memory is still 81.8MB. Free memory was 55.2MB in the beginning and 30.9MB in the end (delta: 24.4MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-09-11 20:52:35,370 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