./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/nla-digbench-scaling/ps3-ll_valuebound20.c --full-output --witness-type correctness_witness --validate ../results/automizer-verification-files/SV-COMP24_unreach-call/ps3-ll_valuebound20.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/ps3-ll_valuebound20.c ../results/automizer-verification-files/SV-COMP24_unreach-call/ps3-ll_valuebound20.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 20:52:42,171 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-11 20:52:42,227 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Default.epf [2024-09-11 20:52:42,232 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-11 20:52:42,234 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-11 20:52:42,258 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-11 20:52:42,260 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-11 20:52:42,260 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-11 20:52:42,261 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-11 20:52:42,262 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-11 20:52:42,263 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-11 20:52:42,263 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-11 20:52:42,263 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-11 20:52:42,265 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-11 20:52:42,265 INFO L153 SettingsManager]: * Use SBE=true [2024-09-11 20:52:42,265 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-11 20:52:42,266 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-11 20:52:42,267 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-11 20:52:42,267 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-09-11 20:52:42,267 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-11 20:52:42,268 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-11 20:52:42,268 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-11 20:52:42,269 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-11 20:52:42,269 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-11 20:52:42,269 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-11 20:52:42,269 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-11 20:52:42,269 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-11 20:52:42,269 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-11 20:52:42,270 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-11 20:52:42,270 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-11 20:52:42,270 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-11 20:52:42,270 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-11 20:52:42,270 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-11 20:52:42,271 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-11 20:52:42,271 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-11 20:52:42,271 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-11 20:52:42,271 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-09-11 20:52:42,271 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-09-11 20:52:42,271 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-11 20:52:42,272 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-11 20:52:42,272 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-11 20:52:42,275 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-11 20:52:42,275 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None [2024-09-11 20:52:42,480 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-11 20:52:42,514 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-11 20:52:42,520 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-11 20:52:42,521 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-11 20:52:42,525 INFO L274 PluginConnector]: CDTParser initialized [2024-09-11 20:52:42,526 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/nla-digbench-scaling/ps3-ll_valuebound20.c [2024-09-11 20:52:43,865 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-11 20:52:44,038 INFO L384 CDTParser]: Found 1 translation units. [2024-09-11 20:52:44,038 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench-scaling/ps3-ll_valuebound20.c [2024-09-11 20:52:44,048 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/427e4a5a6/443fc58a062d43b793af286cf8321fc9/FLAGdd9b7f509 [2024-09-11 20:52:44,459 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/427e4a5a6/443fc58a062d43b793af286cf8321fc9 [2024-09-11 20:52:44,461 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-11 20:52:44,461 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-11 20:52:44,462 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/automizer-verification-files/SV-COMP24_unreach-call/ps3-ll_valuebound20.yml/witness-2.1.yml [2024-09-11 20:52:44,498 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-11 20:52:44,499 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-09-11 20:52:44,501 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-11 20:52:44,501 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-11 20:52:44,504 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-11 20:52:44,506 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.09 08:52:44" (1/2) ... [2024-09-11 20:52:44,506 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4171974d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:52:44, skipping insertion in model container [2024-09-11 20:52:44,506 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.09 08:52:44" (1/2) ... [2024-09-11 20:52:44,508 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@57691279 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:52:44, skipping insertion in model container [2024-09-11 20:52:44,509 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 08:52:44" (2/2) ... [2024-09-11 20:52:44,509 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4171974d and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 11.09 08:52:44, skipping insertion in model container [2024-09-11 20:52:44,510 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 08:52:44" (2/2) ... [2024-09-11 20:52:44,515 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-11 20:52:44,518 INFO L1541 ArrayList]: Loop invariant at [L27-L36] (((__int128) 6 * x) == (((3 * ((__int128) y * y)) + ((((__int128) y * y) * y) * 2)) + y)) [2024-09-11 20:52:44,518 INFO L1541 ArrayList]: Function contract at [L9]: requires (1 <= \old(cond)), ensures (1 <= \old(cond)) [2024-09-11 20:52:44,532 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-11 20:52:44,647 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/ps3-ll_valuebound20.c[458,471] [2024-09-11 20:52:44,657 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-11 20:52:44,663 INFO L200 MainTranslator]: Completed pre-run Start Parsing Global Start Parsing Global [2024-09-11 20:52:44,689 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/ps3-ll_valuebound20.c[458,471] Start Parsing Local [2024-09-11 20:52:44,694 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-11 20:52:44,705 INFO L204 MainTranslator]: Completed translation [2024-09-11 20:52:44,705 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 11.09 08:52:44 WrapperNode [2024-09-11 20:52:44,706 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-11 20:52:44,706 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-11 20:52:44,706 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-11 20:52:44,707 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-11 20:52:44,715 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 08:52:44" (1/1) ... [2024-09-11 20:52:44,716 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 08:52:44" (1/1) ... [2024-09-11 20:52:44,720 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 08:52:44" (1/1) ... [2024-09-11 20:52:44,727 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 20:52:44,727 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 08:52:44" (1/1) ... [2024-09-11 20:52:44,727 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 08:52:44" (1/1) ... [2024-09-11 20:52:44,730 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 08:52:44" (1/1) ... [2024-09-11 20:52:44,732 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 11.09 08:52:44" (1/1) ... [2024-09-11 20:52:44,733 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 08:52:44" (1/1) ... [2024-09-11 20:52:44,733 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 08:52:44" (1/1) ... [2024-09-11 20:52:44,734 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-11 20:52:44,735 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-11 20:52:44,735 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-11 20:52:44,735 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-11 20:52:44,736 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 08:52:44" (1/1) ... [2024-09-11 20:52:44,741 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-11 20:52:44,747 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-09-11 20:52:44,759 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 20:52:44,761 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 20:52:44,795 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-09-11 20:52:44,796 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-11 20:52:44,796 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-09-11 20:52:44,796 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-09-11 20:52:44,796 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-09-11 20:52:44,797 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-09-11 20:52:44,797 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-09-11 20:52:44,797 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-09-11 20:52:44,798 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-09-11 20:52:44,798 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-11 20:52:44,798 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_short [2024-09-11 20:52:44,798 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-09-11 20:52:44,798 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-09-11 20:52:44,798 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-09-11 20:52:44,798 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-09-11 20:52:44,799 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-09-11 20:52:44,799 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-11 20:52:44,799 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-09-11 20:52:44,799 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-09-11 20:52:44,799 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-09-11 20:52:44,852 INFO L242 CfgBuilder]: Building ICFG [2024-09-11 20:52:44,853 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-11 20:52:44,929 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-11 20:52:44,959 INFO L? ?]: Removed 14 outVars from TransFormulas that were not future-live. [2024-09-11 20:52:44,960 INFO L291 CfgBuilder]: Performing block encoding [2024-09-11 20:52:45,021 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-11 20:52:45,021 INFO L318 CfgBuilder]: Removed 1 assume(true) statements. [2024-09-11 20:52:45,023 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.09 08:52:45 BoogieIcfgContainer [2024-09-11 20:52:45,023 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-11 20:52:45,030 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-09-11 20:52:45,030 INFO L270 PluginConnector]: Initializing Referee... [2024-09-11 20:52:45,031 INFO L274 PluginConnector]: Referee initialized [2024-09-11 20:52:45,035 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 11.09 08:52:44" (1/4) ... [2024-09-11 20:52:45,036 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@1229dbe and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 11.09 08:52:45, skipping insertion in model container [2024-09-11 20:52:45,036 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 08:52:44" (2/4) ... [2024-09-11 20:52:45,037 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@1229dbe and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 11.09 08:52:45, skipping insertion in model container [2024-09-11 20:52:45,037 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 08:52:44" (3/4) ... [2024-09-11 20:52:45,037 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@1229dbe and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 11.09 08:52:45, skipping insertion in model container [2024-09-11 20:52:45,037 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 08:52:45" (4/4) ... [2024-09-11 20:52:45,038 INFO L79 RefereeObserver]: Analyzing ICFG ps3-ll_valuebound20.c [2024-09-11 20:52:45,064 INFO L112 InvariantChecker]: Found 1 loops. [2024-09-11 20:52:45,065 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 20:52:45,066 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 20:52:45,066 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 20:52:45,066 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 20:52:45,066 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 20:52:45,066 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 20:52:45,066 INFO L130 InvariantChecker]: Will check 1 loop-free subgraphs from procedure entry to loop head, 2 loop-free subgraphs from loop head to error location, 1 loop-free subgraphs from loop head to loop head, 2 loop-free subgraphs from procedure entry to error location [2024-09-11 20:52:45,103 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 7 edges [2024-09-11 20:52:45,106 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:52:45,106 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:52:45,106 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:52:45,107 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:52:45,109 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:52:45,125 INFO L101 BaseMinimizeStates]: Removed 12 edges and 4 locations by large block encoding [2024-09-11 20:52:45,126 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:52:45,127 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:52:45,127 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:52:45,127 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:52:45,131 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:52:45,149 INFO L514 InvariantChecker]: The annotation(s) from loop head L27-3 to error location mainErr2REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-11 20:52:45,159 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-11 20:52:45,159 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:52:45,159 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:52:45,160 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:52:45,160 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:52:45,160 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:52:45,163 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-11 20:52:45,163 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:52:45,163 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:52:45,163 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:52:45,164 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:52:45,164 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:52:45,172 INFO L514 InvariantChecker]: The annotation(s) from loop head L27-3 to error location mainErr1REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-11 20:52:45,181 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 4 edges [2024-09-11 20:52:45,182 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:52:45,182 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:52:45,182 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:52:45,182 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:52:45,182 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:52:45,185 INFO L101 BaseMinimizeStates]: Removed 6 edges and 3 locations by large block encoding [2024-09-11 20:52:45,186 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:52:45,186 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:52:45,186 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:52:45,186 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:52:45,186 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:52:45,193 INFO L514 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-11 20:52:45,208 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 5 edges [2024-09-11 20:52:45,208 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:52:45,209 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:52:45,209 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:52:45,209 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:52:45,209 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:52:45,224 INFO L101 BaseMinimizeStates]: Removed 8 edges and 4 locations by large block encoding [2024-09-11 20:52:45,224 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:52:45,224 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:52:45,224 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:52:45,224 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:52:45,224 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:52:45,226 INFO L514 InvariantChecker]: The annotation(s) from loop head L27-3 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-11 20:52:45,239 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 5 edges [2024-09-11 20:52:45,239 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:52:45,239 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:52:45,239 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:52:45,239 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:52:45,239 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:52:45,246 INFO L101 BaseMinimizeStates]: Removed 8 edges and 3 locations by large block encoding [2024-09-11 20:52:45,250 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:52:45,250 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:52:45,250 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:52:45,250 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:52:45,251 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:52:45,253 INFO L514 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-11 20:52:45,262 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-11 20:52:45,264 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:52:45,264 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:52:45,265 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:52:45,265 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:52:45,265 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:52:45,267 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-11 20:52:45,267 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:52:45,267 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:52:45,267 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:52:45,267 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:52:45,268 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:52:45,269 INFO L514 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION is inductive. [2024-09-11 20:52:45,273 INFO L58 RefereeStarter]: Annotation is a valid proof of correctness [2024-09-11 20:52:45,274 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@1229dbe and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CFG 11.09 08:52:45, skipping insertion in model container [2024-09-11 20:52:45,274 INFO L131 PluginConnector]: ------------------------ END Referee---------------------------- [2024-09-11 20:52:45,275 INFO L158 Benchmark]: Toolchain (without parser) took 775.29ms. Allocated memory is still 192.9MB. Free memory was 119.4MB in the beginning and 140.2MB in the end (delta: -20.9MB). There was no memory consumed. Max. memory is 16.1GB. [2024-09-11 20:52:45,276 INFO L158 Benchmark]: CDTParser took 0.11ms. Allocated memory is still 192.9MB. Free memory is still 149.4MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-11 20:52:45,277 INFO L158 Benchmark]: Witness Parser took 0.12ms. Allocated memory is still 192.9MB. Free memory is still 121.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-11 20:52:45,277 INFO L158 Benchmark]: CACSL2BoogieTranslator took 205.08ms. Allocated memory is still 192.9MB. Free memory was 119.1MB in the beginning and 105.6MB in the end (delta: 13.4MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-09-11 20:52:45,278 INFO L158 Benchmark]: Boogie Preprocessor took 28.09ms. Allocated memory is still 192.9MB. Free memory was 105.6MB in the beginning and 103.6MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-09-11 20:52:45,278 INFO L158 Benchmark]: RCFGBuilder took 294.25ms. Allocated memory is still 192.9MB. Free memory was 103.6MB in the beginning and 160.6MB in the end (delta: -56.9MB). Peak memory consumption was 20.0MB. Max. memory is 16.1GB. [2024-09-11 20:52:45,279 INFO L158 Benchmark]: Referee took 243.85ms. Allocated memory is still 192.9MB. Free memory was 160.6MB in the beginning and 140.2MB in the end (delta: 20.3MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2024-09-11 20:52:45,281 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 28. Annotation is valid for all loop-free paths from loop head at line 27 to loop head at line 27. Annotation is valid for all loop-free paths from entry of procedure main to loop head at line 27. Annotation is valid for all loop-free paths from entry of procedure __VERIFIER_assert to check that a call to reach_error is unreachable at line 11. Annotation is valid for all loop-free paths from entry of procedure __VERIFIER_assert to exit of procedure __VERIFIER_assert. Annotation is valid for all loop-free paths from loop head at line 27 to check that procedure precondition always holds at line 27. * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11ms. Allocated memory is still 192.9MB. Free memory is still 149.4MB. There was no memory consumed. Max. memory is 16.1GB. * Witness Parser took 0.12ms. Allocated memory is still 192.9MB. Free memory is still 121.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 205.08ms. Allocated memory is still 192.9MB. Free memory was 119.1MB in the beginning and 105.6MB in the end (delta: 13.4MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Preprocessor took 28.09ms. Allocated memory is still 192.9MB. Free memory was 105.6MB in the beginning and 103.6MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 294.25ms. Allocated memory is still 192.9MB. Free memory was 103.6MB in the beginning and 160.6MB in the end (delta: -56.9MB). Peak memory consumption was 20.0MB. Max. memory is 16.1GB. * Referee took 243.85ms. Allocated memory is still 192.9MB. Free memory was 160.6MB in the beginning and 140.2MB in the end (delta: 20.3MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-09-11 20:52:45,303 INFO L540 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/referee/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/certificate-witnesses-artifact/referee/data/config -Xmx15G -Xms4m -jar /storage/repos/certificate-witnesses-artifact/referee/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/certificate-witnesses-artifact/referee/data -tc /storage/repos/certificate-witnesses-artifact/referee/config/RefereeReachWitnessValidation.xml -i ../sv-benchmarks/c/nla-digbench-scaling/ps3-ll_valuebound20.c ../results/automizer-verification-files/SV-COMP24_unreach-call/ps3-ll_valuebound20.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 20:52:47,163 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-11 20:52:47,225 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Bitvector.epf [2024-09-11 20:52:47,229 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-11 20:52:47,231 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-11 20:52:47,258 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-11 20:52:47,259 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-11 20:52:47,259 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-11 20:52:47,259 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-11 20:52:47,261 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-11 20:52:47,261 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-11 20:52:47,261 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-11 20:52:47,262 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-11 20:52:47,265 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-11 20:52:47,265 INFO L153 SettingsManager]: * Use SBE=true [2024-09-11 20:52:47,265 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-11 20:52:47,265 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-11 20:52:47,266 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-11 20:52:47,266 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-11 20:52:47,266 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-11 20:52:47,266 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-11 20:52:47,266 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-11 20:52:47,267 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-11 20:52:47,267 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-09-11 20:52:47,267 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-09-11 20:52:47,267 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-11 20:52:47,267 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-09-11 20:52:47,268 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-11 20:52:47,268 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-11 20:52:47,268 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-11 20:52:47,268 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-11 20:52:47,268 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-11 20:52:47,269 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-11 20:52:47,269 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-11 20:52:47,269 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-11 20:52:47,272 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-11 20:52:47,272 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-11 20:52:47,273 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-11 20:52:47,273 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-09-11 20:52:47,273 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-09-11 20:52:47,273 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-11 20:52:47,274 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-11 20:52:47,274 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-11 20:52:47,274 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-11 20:52:47,274 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2024-09-11 20:52:47,275 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None [2024-09-11 20:52:47,541 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-11 20:52:47,561 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-11 20:52:47,563 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-11 20:52:47,564 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-11 20:52:47,564 INFO L274 PluginConnector]: CDTParser initialized [2024-09-11 20:52:47,565 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/nla-digbench-scaling/ps3-ll_valuebound20.c [2024-09-11 20:52:48,977 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-11 20:52:49,174 INFO L384 CDTParser]: Found 1 translation units. [2024-09-11 20:52:49,176 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench-scaling/ps3-ll_valuebound20.c [2024-09-11 20:52:49,187 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/2012756be/76eda60699fe49bea3bc622a4ce750df/FLAG831ebfe24 [2024-09-11 20:52:49,561 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/2012756be/76eda60699fe49bea3bc622a4ce750df [2024-09-11 20:52:49,564 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-11 20:52:49,565 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-11 20:52:49,565 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/automizer-verification-files/SV-COMP24_unreach-call/ps3-ll_valuebound20.yml/witness-2.1.yml [2024-09-11 20:52:49,645 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-11 20:52:49,646 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-09-11 20:52:49,651 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-11 20:52:49,655 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-11 20:52:49,659 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-11 20:52:49,664 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.09 08:52:49" (1/2) ... [2024-09-11 20:52:49,664 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7569af5b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:52:49, skipping insertion in model container [2024-09-11 20:52:49,665 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.09 08:52:49" (1/2) ... [2024-09-11 20:52:49,666 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@7bbef6eb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:52:49, skipping insertion in model container [2024-09-11 20:52:49,666 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 08:52:49" (2/2) ... [2024-09-11 20:52:49,666 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7569af5b and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 11.09 08:52:49, skipping insertion in model container [2024-09-11 20:52:49,666 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 08:52:49" (2/2) ... [2024-09-11 20:52:49,683 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-11 20:52:49,684 INFO L1541 ArrayList]: Loop invariant at [L27-L36] (((__int128) 6 * x) == (((3 * ((__int128) y * y)) + ((((__int128) y * y) * y) * 2)) + y)) [2024-09-11 20:52:49,684 INFO L1541 ArrayList]: Function contract at [L9]: requires (1 <= \old(cond)), ensures (1 <= \old(cond)) [2024-09-11 20:52:49,720 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-11 20:52:49,843 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/ps3-ll_valuebound20.c[458,471] [2024-09-11 20:52:49,861 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-11 20:52:49,871 INFO L200 MainTranslator]: Completed pre-run Start Parsing Global Start Parsing Global [2024-09-11 20:52:49,900 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/ps3-ll_valuebound20.c[458,471] Start Parsing Local [2024-09-11 20:52:49,911 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-11 20:52:49,926 INFO L204 MainTranslator]: Completed translation [2024-09-11 20:52:49,927 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 11.09 08:52:49 WrapperNode [2024-09-11 20:52:49,928 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-11 20:52:49,929 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-11 20:52:49,929 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-11 20:52:49,929 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-11 20:52:49,938 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 08:52:49" (1/1) ... [2024-09-11 20:52:49,938 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 08:52:49" (1/1) ... [2024-09-11 20:52:49,945 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 08:52:49" (1/1) ... [2024-09-11 20:52:49,959 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 20:52:49,962 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 08:52:49" (1/1) ... [2024-09-11 20:52:49,962 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 08:52:49" (1/1) ... [2024-09-11 20:52:49,967 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 08:52:49" (1/1) ... [2024-09-11 20:52:49,979 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 08:52:49" (1/1) ... [2024-09-11 20:52:49,980 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 08:52:49" (1/1) ... [2024-09-11 20:52:49,981 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 08:52:49" (1/1) ... [2024-09-11 20:52:49,985 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-11 20:52:49,986 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-11 20:52:49,986 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-11 20:52:49,986 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-11 20:52:49,987 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 08:52:49" (1/1) ... [2024-09-11 20:52:50,000 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-11 20:52:50,016 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-09-11 20:52:50,033 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 20:52:50,036 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 20:52:50,115 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-09-11 20:52:50,115 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-11 20:52:50,120 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-09-11 20:52:50,120 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-09-11 20:52:50,120 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-09-11 20:52:50,120 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-09-11 20:52:50,121 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-09-11 20:52:50,121 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-09-11 20:52:50,121 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-09-11 20:52:50,121 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-11 20:52:50,121 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_short [2024-09-11 20:52:50,121 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-09-11 20:52:50,121 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-09-11 20:52:50,121 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-09-11 20:52:50,121 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-09-11 20:52:50,122 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-09-11 20:52:50,122 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-11 20:52:50,122 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2024-09-11 20:52:50,122 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2024-09-11 20:52:50,126 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-09-11 20:52:50,253 INFO L242 CfgBuilder]: Building ICFG [2024-09-11 20:52:50,255 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-11 20:52:51,858 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-11 20:52:51,923 INFO L? ?]: Removed 14 outVars from TransFormulas that were not future-live. [2024-09-11 20:52:51,923 INFO L291 CfgBuilder]: Performing block encoding [2024-09-11 20:52:51,953 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-11 20:52:51,953 INFO L318 CfgBuilder]: Removed 1 assume(true) statements. [2024-09-11 20:52:51,954 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.09 08:52:51 BoogieIcfgContainer [2024-09-11 20:52:51,954 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-11 20:52:51,954 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-09-11 20:52:51,954 INFO L270 PluginConnector]: Initializing Referee... [2024-09-11 20:52:51,955 INFO L274 PluginConnector]: Referee initialized [2024-09-11 20:52:51,955 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 11.09 08:52:49" (1/4) ... [2024-09-11 20:52:51,955 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@28cb747d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 11.09 08:52:51, skipping insertion in model container [2024-09-11 20:52:51,955 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 08:52:49" (2/4) ... [2024-09-11 20:52:51,955 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@28cb747d and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 11.09 08:52:51, skipping insertion in model container [2024-09-11 20:52:51,956 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 08:52:49" (3/4) ... [2024-09-11 20:52:51,959 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@28cb747d and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 11.09 08:52:51, skipping insertion in model container [2024-09-11 20:52:51,959 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 08:52:51" (4/4) ... [2024-09-11 20:52:51,960 INFO L79 RefereeObserver]: Analyzing ICFG ps3-ll_valuebound20.c [2024-09-11 20:52:51,962 INFO L112 InvariantChecker]: Found 1 loops. [2024-09-11 20:52:51,963 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 20:52:51,967 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 20:52:51,967 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 20:52:51,967 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 20:52:51,968 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 20:52:51,968 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 20:52:51,968 INFO L130 InvariantChecker]: Will check 1 loop-free subgraphs from procedure entry to loop head, 2 loop-free subgraphs from procedure entry to error location, 2 loop-free subgraphs from loop head to error location, 1 loop-free subgraphs from loop head to loop head [2024-09-11 20:52:52,011 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 7 edges [2024-09-11 20:52:52,012 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:52:52,012 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:52:52,013 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:52:52,014 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:52:52,015 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:52:52,046 INFO L101 BaseMinimizeStates]: Removed 12 edges and 4 locations by large block encoding [2024-09-11 20:52:52,047 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:52:52,048 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:52:52,048 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:52:52,049 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:52:52,051 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:52:52,063 INFO L514 InvariantChecker]: The annotation(s) from loop head L27-3 to error location mainErr2REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-11 20:52:52,075 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-11 20:52:52,075 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:52:52,075 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:52:52,075 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:52:52,076 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:52:52,076 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:52:52,080 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-11 20:52:52,080 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:52:52,080 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:52:52,080 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:52:52,080 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:52:52,081 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:52:56,268 INFO L510 InvariantChecker]: unknown inductivity: todo good error message [2024-09-11 20:52:56,322 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 4 edges [2024-09-11 20:52:56,323 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:52:56,323 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:52:56,323 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:52:56,323 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:52:56,323 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:52:56,329 INFO L101 BaseMinimizeStates]: Removed 6 edges and 3 locations by large block encoding [2024-09-11 20:52:56,329 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:52:56,329 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:52:56,329 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:52:56,330 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:52:56,330 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:52:56,333 INFO L514 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-11 20:52:56,342 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 5 edges [2024-09-11 20:52:56,342 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:52:56,343 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:52:56,343 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:52:56,343 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:52:56,343 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:52:56,360 INFO L101 BaseMinimizeStates]: Removed 8 edges and 4 locations by large block encoding [2024-09-11 20:52:56,360 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:52:56,360 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:52:56,360 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:52:56,360 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:52:56,361 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:53:00,719 INFO L510 InvariantChecker]: unknown inductivity: todo good error message [2024-09-11 20:53:00,832 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 5 edges [2024-09-11 20:53:00,833 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:53:00,833 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:53:00,833 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:53:00,834 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:53:00,834 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:53:00,838 INFO L101 BaseMinimizeStates]: Removed 8 edges and 3 locations by large block encoding [2024-09-11 20:53:00,841 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:53:00,842 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:53:00,842 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:53:00,842 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:53:00,843 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:53:00,844 INFO L514 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-11 20:53:00,871 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-11 20:53:00,873 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:53:00,873 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:53:00,873 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:53:00,874 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:53:00,874 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:53:00,876 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-11 20:53:00,876 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:53:00,876 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:53:00,877 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:53:00,877 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:53:00,877 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:53:00,878 INFO L514 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION is inductive. [2024-09-11 20:53:00,881 INFO L58 RefereeStarter]: Insufficient resources for checking whether annotation is a valid proof of correctness [2024-09-11 20:53:00,881 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@28cb747d and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CFG 11.09 08:53:00, skipping insertion in model container [2024-09-11 20:53:00,881 INFO L131 PluginConnector]: ------------------------ END Referee---------------------------- [2024-09-11 20:53:00,883 INFO L158 Benchmark]: Toolchain (without parser) took 11236.69ms. Allocated memory is still 107.0MB. Free memory was 77.7MB in the beginning and 82.7MB in the end (delta: -4.9MB). Peak memory consumption was 39.1MB. Max. memory is 16.1GB. [2024-09-11 20:53:00,883 INFO L158 Benchmark]: CDTParser took 0.76ms. Allocated memory is still 62.9MB. Free memory was 41.8MB in the beginning and 41.7MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. [2024-09-11 20:53:00,884 INFO L158 Benchmark]: Witness Parser took 0.10ms. Allocated memory is still 107.0MB. Free memory is still 79.5MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-11 20:53:00,884 INFO L158 Benchmark]: CACSL2BoogieTranslator took 277.12ms. Allocated memory is still 107.0MB. Free memory was 77.4MB in the beginning and 63.8MB in the end (delta: 13.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-09-11 20:53:00,885 INFO L158 Benchmark]: Boogie Preprocessor took 56.30ms. Allocated memory is still 107.0MB. Free memory was 63.6MB in the beginning and 61.5MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-09-11 20:53:00,886 INFO L158 Benchmark]: RCFGBuilder took 1968.00ms. Allocated memory is still 107.0MB. Free memory was 61.5MB in the beginning and 73.8MB in the end (delta: -12.3MB). Peak memory consumption was 9.1MB. Max. memory is 16.1GB. [2024-09-11 20:53:00,887 INFO L158 Benchmark]: Referee took 8927.48ms. Allocated memory is still 107.0MB. Free memory was 73.8MB in the beginning and 82.7MB in the end (delta: -8.9MB). Peak memory consumption was 34.2MB. Max. memory is 16.1GB. [2024-09-11 20:53:00,890 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 loop head at line 27. Insufficient resources for checking whether annotation is valid for all loop-free paths from loop head at line 27 to check that procedure precondition always holds at line 28. Annotation is valid for all loop-free paths from entry of procedure main to loop head at line 27. Annotation is valid for all loop-free paths from entry of procedure __VERIFIER_assert to exit of procedure __VERIFIER_assert. Annotation is valid for all loop-free paths from loop head at line 27 to check that procedure precondition always holds at line 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. * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.76ms. Allocated memory is still 62.9MB. Free memory was 41.8MB in the beginning and 41.7MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. * Witness Parser took 0.10ms. Allocated memory is still 107.0MB. Free memory is still 79.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 277.12ms. Allocated memory is still 107.0MB. Free memory was 77.4MB in the beginning and 63.8MB in the end (delta: 13.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Preprocessor took 56.30ms. Allocated memory is still 107.0MB. Free memory was 63.6MB in the beginning and 61.5MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1968.00ms. Allocated memory is still 107.0MB. Free memory was 61.5MB in the beginning and 73.8MB in the end (delta: -12.3MB). Peak memory consumption was 9.1MB. Max. memory is 16.1GB. * Referee took 8927.48ms. Allocated memory is still 107.0MB. Free memory was 73.8MB in the beginning and 82.7MB in the end (delta: -8.9MB). Peak memory consumption was 34.2MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-09-11 20:53:00,992 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