./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/nla-digbench-scaling/ps2-ll_valuebound20.c --full-output --witness-type correctness_witness --validate ../results/automizer-verification-files/SV-COMP24_unreach-call/ps2-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/ps2-ll_valuebound20.c ../results/automizer-verification-files/SV-COMP24_unreach-call/ps2-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 20:52:20,417 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-11 20:52:20,490 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Default.epf [2024-09-11 20:52:20,495 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-11 20:52:20,495 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-11 20:52:20,510 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-11 20:52:20,510 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-11 20:52:20,511 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-11 20:52:20,511 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-11 20:52:20,511 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-11 20:52:20,511 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-11 20:52:20,512 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-11 20:52:20,512 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-11 20:52:20,512 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-11 20:52:20,512 INFO L153 SettingsManager]: * Use SBE=true [2024-09-11 20:52:20,513 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-11 20:52:20,513 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-11 20:52:20,516 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-11 20:52:20,516 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-09-11 20:52:20,516 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-11 20:52:20,517 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-11 20:52:20,517 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-11 20:52:20,517 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-11 20:52:20,517 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-11 20:52:20,518 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-11 20:52:20,518 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-11 20:52:20,518 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-11 20:52:20,518 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-11 20:52:20,518 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-11 20:52:20,519 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-11 20:52:20,519 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-11 20:52:20,519 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-11 20:52:20,519 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-11 20:52:20,520 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-11 20:52:20,520 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-11 20:52:20,520 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-11 20:52:20,521 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-09-11 20:52:20,521 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-09-11 20:52:20,521 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-11 20:52:20,521 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-11 20:52:20,521 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-11 20:52:20,522 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-11 20:52:20,522 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None [2024-09-11 20:52:20,691 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-11 20:52:20,714 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-11 20:52:20,717 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-11 20:52:20,718 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-11 20:52:20,718 INFO L274 PluginConnector]: CDTParser initialized [2024-09-11 20:52:20,719 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/nla-digbench-scaling/ps2-ll_valuebound20.c [2024-09-11 20:52:21,910 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-11 20:52:22,061 INFO L384 CDTParser]: Found 1 translation units. [2024-09-11 20:52:22,061 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench-scaling/ps2-ll_valuebound20.c [2024-09-11 20:52:22,067 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/fd2107654/c719dff6143f45acb5eb8b41c32e8c7b/FLAG46a5ea2f7 [2024-09-11 20:52:22,083 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/fd2107654/c719dff6143f45acb5eb8b41c32e8c7b [2024-09-11 20:52:22,087 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-11 20:52:22,088 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-11 20:52:22,089 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/automizer-verification-files/SV-COMP24_unreach-call/ps2-ll_valuebound20.yml/witness-2.1.yml [2024-09-11 20:52:22,138 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-11 20:52:22,140 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-09-11 20:52:22,141 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-11 20:52:22,141 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-11 20:52:22,146 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-11 20:52:22,148 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.09 08:52:22" (1/2) ... [2024-09-11 20:52:22,149 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@314c7c94 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:52:22, skipping insertion in model container [2024-09-11 20:52:22,149 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.09 08:52:22" (1/2) ... [2024-09-11 20:52:22,150 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@260b92a5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:52:22, skipping insertion in model container [2024-09-11 20:52:22,151 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 08:52:22" (2/2) ... [2024-09-11 20:52:22,151 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@314c7c94 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 11.09 08:52:22, skipping insertion in model container [2024-09-11 20:52:22,151 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 08:52:22" (2/2) ... [2024-09-11 20:52:22,156 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-11 20:52:22,157 INFO L1541 ArrayList]: Loop invariant at [L27-L36] (((__int128) 2 * x) == (y + ((__int128) y * y))) [2024-09-11 20:52:22,157 INFO L1541 ArrayList]: Function contract at [L9]: requires (1 <= \old(cond)), ensures (1 <= \old(cond)) [2024-09-11 20:52:22,173 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-11 20:52:22,292 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_valuebound20.c[454,467] [2024-09-11 20:52:22,310 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-11 20:52:22,318 INFO L200 MainTranslator]: Completed pre-run Start Parsing Global Start Parsing Global [2024-09-11 20:52:22,348 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_valuebound20.c[454,467] Start Parsing Local [2024-09-11 20:52:22,354 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-11 20:52:22,365 INFO L204 MainTranslator]: Completed translation [2024-09-11 20:52:22,365 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 11.09 08:52:22 WrapperNode [2024-09-11 20:52:22,366 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-11 20:52:22,366 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-11 20:52:22,367 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-11 20:52:22,367 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-11 20:52:22,376 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 08:52:22" (1/1) ... [2024-09-11 20:52:22,376 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 08:52:22" (1/1) ... [2024-09-11 20:52:22,380 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 08:52:22" (1/1) ... [2024-09-11 20:52:22,390 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 20:52:22,390 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 08:52:22" (1/1) ... [2024-09-11 20:52:22,391 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 08:52:22" (1/1) ... [2024-09-11 20:52:22,393 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 08:52:22" (1/1) ... [2024-09-11 20:52:22,395 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 08:52:22" (1/1) ... [2024-09-11 20:52:22,397 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 08:52:22" (1/1) ... [2024-09-11 20:52:22,398 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 08:52:22" (1/1) ... [2024-09-11 20:52:22,399 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-11 20:52:22,399 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-11 20:52:22,399 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-11 20:52:22,399 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-11 20:52:22,400 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 08:52:22" (1/1) ... [2024-09-11 20:52:22,406 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-11 20:52:22,412 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-09-11 20:52:22,425 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 20:52:22,427 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 20:52:22,461 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-09-11 20:52:22,461 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-11 20:52:22,461 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-09-11 20:52:22,461 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-09-11 20:52:22,461 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-09-11 20:52:22,461 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-09-11 20:52:22,461 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-09-11 20:52:22,462 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-09-11 20:52:22,462 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-09-11 20:52:22,462 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-11 20:52:22,462 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2024-09-11 20:52:22,462 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-09-11 20:52:22,462 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-09-11 20:52:22,462 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-09-11 20:52:22,462 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-09-11 20:52:22,462 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-09-11 20:52:22,462 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-11 20:52:22,463 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-09-11 20:52:22,463 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-09-11 20:52:22,463 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-09-11 20:52:22,517 INFO L242 CfgBuilder]: Building ICFG [2024-09-11 20:52:22,518 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-11 20:52:22,604 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-11 20:52:22,633 INFO L? ?]: Removed 14 outVars from TransFormulas that were not future-live. [2024-09-11 20:52:22,633 INFO L291 CfgBuilder]: Performing block encoding [2024-09-11 20:52:22,650 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-11 20:52:22,651 INFO L318 CfgBuilder]: Removed 1 assume(true) statements. [2024-09-11 20:52:22,651 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.09 08:52:22 BoogieIcfgContainer [2024-09-11 20:52:22,652 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-11 20:52:22,652 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-09-11 20:52:22,652 INFO L270 PluginConnector]: Initializing Referee... [2024-09-11 20:52:22,653 INFO L274 PluginConnector]: Referee initialized [2024-09-11 20:52:22,653 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 11.09 08:52:22" (1/4) ... [2024-09-11 20:52:22,653 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@5870b9d8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 11.09 08:52:22, skipping insertion in model container [2024-09-11 20:52:22,653 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 08:52:22" (2/4) ... [2024-09-11 20:52:22,654 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@5870b9d8 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 11.09 08:52:22, skipping insertion in model container [2024-09-11 20:52:22,654 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 08:52:22" (3/4) ... [2024-09-11 20:52:22,654 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@5870b9d8 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 11.09 08:52:22, skipping insertion in model container [2024-09-11 20:52:22,654 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 08:52:22" (4/4) ... [2024-09-11 20:52:22,655 INFO L79 RefereeObserver]: Analyzing ICFG ps2-ll_valuebound20.c [2024-09-11 20:52:22,673 INFO L112 InvariantChecker]: Found 1 loops. [2024-09-11 20:52:22,675 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 20:52:22,675 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 20:52:22,675 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 20:52:22,675 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 20:52:22,675 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 20:52:22,675 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 20:52:22,676 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 20:52:22,717 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 7 edges [2024-09-11 20:52:22,718 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:52:22,719 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:52:22,719 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:52:22,720 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:52:22,721 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:52:22,742 INFO L101 BaseMinimizeStates]: Removed 12 edges and 4 locations by large block encoding [2024-09-11 20:52:22,744 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:52:22,744 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:52:22,744 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:52:22,745 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:52:22,749 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:52:22,764 INFO L514 InvariantChecker]: The annotation(s) from loop head L27-3 to error location mainErr2REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-11 20:52:22,773 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-11 20:52:22,773 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:52:22,773 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:52:22,773 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:52:22,773 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:52:22,774 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:52:22,780 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-11 20:52:22,780 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:52:22,781 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:52:22,781 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:52:22,782 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:52:22,782 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:52:22,784 INFO L514 InvariantChecker]: The annotation(s) from loop head L27-3 to error location mainErr1REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-11 20:52:22,797 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 4 edges [2024-09-11 20:52:22,801 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:52:22,801 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:52:22,801 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:52:22,802 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:52:22,802 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:52:22,805 INFO L101 BaseMinimizeStates]: Removed 6 edges and 3 locations by large block encoding [2024-09-11 20:52:22,805 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:52:22,805 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:52:22,806 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:52:22,806 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:52:22,806 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:52:22,810 INFO L514 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-11 20:52:22,820 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 5 edges [2024-09-11 20:52:22,820 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:52:22,820 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:52:22,821 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:52:22,821 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:52:22,821 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:52:22,830 INFO L101 BaseMinimizeStates]: Removed 8 edges and 4 locations by large block encoding [2024-09-11 20:52:22,830 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:52:22,830 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:52:22,831 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:52:22,831 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:52:22,831 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:52:22,832 INFO L514 InvariantChecker]: The annotation(s) from loop head L27-3 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-11 20:52:22,842 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 5 edges [2024-09-11 20:52:22,842 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:52:22,842 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:52:22,842 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:52:22,842 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:52:22,842 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:52:22,845 INFO L101 BaseMinimizeStates]: Removed 8 edges and 3 locations by large block encoding [2024-09-11 20:52:22,845 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:52:22,845 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:52:22,845 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:52:22,845 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:52:22,846 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:52:22,847 INFO L514 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-11 20:52:22,861 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-11 20:52:22,861 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:52:22,861 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:52:22,862 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:52:22,862 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:52:22,862 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:52:22,867 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-11 20:52:22,868 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:52:22,868 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:52:22,868 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:52:22,868 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:52:22,869 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:52:22,870 INFO L514 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION is inductive. [2024-09-11 20:52:22,872 INFO L58 RefereeStarter]: Annotation is a valid proof of correctness [2024-09-11 20:52:22,873 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@5870b9d8 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CFG 11.09 08:52:22, skipping insertion in model container [2024-09-11 20:52:22,873 INFO L131 PluginConnector]: ------------------------ END Referee---------------------------- [2024-09-11 20:52:22,875 INFO L158 Benchmark]: Toolchain (without parser) took 733.71ms. Allocated memory was 159.4MB in the beginning and 222.3MB in the end (delta: 62.9MB). Free memory was 84.2MB in the beginning and 176.3MB in the end (delta: -92.1MB). Peak memory consumption was 44.9MB. Max. memory is 16.1GB. [2024-09-11 20:52:22,875 INFO L158 Benchmark]: CDTParser took 0.17ms. Allocated memory is still 159.4MB. Free memory is still 110.8MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-11 20:52:22,875 INFO L158 Benchmark]: Witness Parser took 1.32ms. Allocated memory is still 159.4MB. Free memory is still 86.0MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-11 20:52:22,876 INFO L158 Benchmark]: CACSL2BoogieTranslator took 224.81ms. Allocated memory is still 159.4MB. Free memory was 84.0MB in the beginning and 70.7MB in the end (delta: 13.3MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-09-11 20:52:22,876 INFO L158 Benchmark]: Boogie Preprocessor took 32.25ms. Allocated memory is still 159.4MB. Free memory was 70.7MB in the beginning and 68.8MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-09-11 20:52:22,877 INFO L158 Benchmark]: RCFGBuilder took 252.69ms. Allocated memory is still 159.4MB. Free memory was 68.5MB in the beginning and 54.8MB in the end (delta: 13.7MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-09-11 20:52:22,878 INFO L158 Benchmark]: Referee took 220.71ms. Allocated memory was 159.4MB in the beginning and 222.3MB in the end (delta: 62.9MB). Free memory was 54.8MB in the beginning and 176.3MB in the end (delta: -121.5MB). Peak memory consumption was 15.5MB. Max. memory is 16.1GB. [2024-09-11 20:52:22,879 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 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 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: * CDTParser took 0.17ms. Allocated memory is still 159.4MB. Free memory is still 110.8MB. There was no memory consumed. Max. memory is 16.1GB. * Witness Parser took 1.32ms. Allocated memory is still 159.4MB. Free memory is still 86.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 224.81ms. Allocated memory is still 159.4MB. Free memory was 84.0MB in the beginning and 70.7MB in the end (delta: 13.3MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Preprocessor took 32.25ms. Allocated memory is still 159.4MB. Free memory was 70.7MB in the beginning and 68.8MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 252.69ms. Allocated memory is still 159.4MB. Free memory was 68.5MB in the beginning and 54.8MB in the end (delta: 13.7MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Referee took 220.71ms. Allocated memory was 159.4MB in the beginning and 222.3MB in the end (delta: 62.9MB). Free memory was 54.8MB in the beginning and 176.3MB in the end (delta: -121.5MB). Peak memory consumption was 15.5MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-09-11 20:52:22,903 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_valuebound20.c ../results/automizer-verification-files/SV-COMP24_unreach-call/ps2-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 20:52:24,698 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-11 20:52:24,765 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Bitvector.epf [2024-09-11 20:52:24,771 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-11 20:52:24,771 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-11 20:52:24,796 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-11 20:52:24,796 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-11 20:52:24,797 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-11 20:52:24,797 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-11 20:52:24,798 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-11 20:52:24,799 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-11 20:52:24,799 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-11 20:52:24,799 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-11 20:52:24,800 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-11 20:52:24,803 INFO L153 SettingsManager]: * Use SBE=true [2024-09-11 20:52:24,803 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-11 20:52:24,803 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-11 20:52:24,804 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-11 20:52:24,804 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-11 20:52:24,804 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-11 20:52:24,804 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-11 20:52:24,805 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-11 20:52:24,805 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-11 20:52:24,805 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-09-11 20:52:24,805 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-09-11 20:52:24,805 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-11 20:52:24,805 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-09-11 20:52:24,806 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-11 20:52:24,806 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-11 20:52:24,806 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-11 20:52:24,806 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-11 20:52:24,806 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-11 20:52:24,806 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-11 20:52:24,807 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-11 20:52:24,807 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-11 20:52:24,807 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-11 20:52:24,807 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-11 20:52:24,807 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-11 20:52:24,808 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-09-11 20:52:24,808 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-09-11 20:52:24,808 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-11 20:52:24,811 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-11 20:52:24,811 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-11 20:52:24,811 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-11 20:52:24,811 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2024-09-11 20:52:24,811 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None [2024-09-11 20:52:25,060 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-11 20:52:25,077 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-11 20:52:25,080 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-11 20:52:25,080 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-11 20:52:25,081 INFO L274 PluginConnector]: CDTParser initialized [2024-09-11 20:52:25,082 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/nla-digbench-scaling/ps2-ll_valuebound20.c [2024-09-11 20:52:26,338 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-11 20:52:26,488 INFO L384 CDTParser]: Found 1 translation units. [2024-09-11 20:52:26,489 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench-scaling/ps2-ll_valuebound20.c [2024-09-11 20:52:26,496 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/c6be86915/8e3eacf0e41f4fb8b7014cf317048801/FLAGe3c13a4f1 [2024-09-11 20:52:26,510 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/c6be86915/8e3eacf0e41f4fb8b7014cf317048801 [2024-09-11 20:52:26,513 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-11 20:52:26,514 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-11 20:52:26,515 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/automizer-verification-files/SV-COMP24_unreach-call/ps2-ll_valuebound20.yml/witness-2.1.yml [2024-09-11 20:52:26,555 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-11 20:52:26,557 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-09-11 20:52:26,558 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-11 20:52:26,558 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-11 20:52:26,561 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-11 20:52:26,562 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.09 08:52:26" (1/2) ... [2024-09-11 20:52:26,562 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4ab34cf3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:52:26, skipping insertion in model container [2024-09-11 20:52:26,563 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.09 08:52:26" (1/2) ... [2024-09-11 20:52:26,563 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@772a1534 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:52:26, skipping insertion in model container [2024-09-11 20:52:26,564 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 08:52:26" (2/2) ... [2024-09-11 20:52:26,564 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4ab34cf3 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 11.09 08:52:26, skipping insertion in model container [2024-09-11 20:52:26,564 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 08:52:26" (2/2) ... [2024-09-11 20:52:26,569 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-11 20:52:26,570 INFO L1541 ArrayList]: Loop invariant at [L27-L36] (((__int128) 2 * x) == (y + ((__int128) y * y))) [2024-09-11 20:52:26,573 INFO L1541 ArrayList]: Function contract at [L9]: requires (1 <= \old(cond)), ensures (1 <= \old(cond)) [2024-09-11 20:52:26,588 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-11 20:52:26,710 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_valuebound20.c[454,467] [2024-09-11 20:52:26,722 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-11 20:52:26,730 INFO L200 MainTranslator]: Completed pre-run Start Parsing Global Start Parsing Global [2024-09-11 20:52:26,755 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_valuebound20.c[454,467] Start Parsing Local [2024-09-11 20:52:26,761 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-11 20:52:26,773 INFO L204 MainTranslator]: Completed translation [2024-09-11 20:52:26,773 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 11.09 08:52:26 WrapperNode [2024-09-11 20:52:26,773 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-11 20:52:26,774 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-11 20:52:26,774 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-11 20:52:26,774 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-11 20:52:26,783 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 08:52:26" (1/1) ... [2024-09-11 20:52:26,783 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 08:52:26" (1/1) ... [2024-09-11 20:52:26,789 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 08:52:26" (1/1) ... [2024-09-11 20:52:26,796 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 20:52:26,796 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 08:52:26" (1/1) ... [2024-09-11 20:52:26,796 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 08:52:26" (1/1) ... [2024-09-11 20:52:26,800 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 08:52:26" (1/1) ... [2024-09-11 20:52:26,805 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 08:52:26" (1/1) ... [2024-09-11 20:52:26,806 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 08:52:26" (1/1) ... [2024-09-11 20:52:26,807 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 08:52:26" (1/1) ... [2024-09-11 20:52:26,809 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-11 20:52:26,810 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-11 20:52:26,810 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-11 20:52:26,810 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-11 20:52:26,810 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 08:52:26" (1/1) ... [2024-09-11 20:52:26,815 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-11 20:52:26,821 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-09-11 20:52:26,832 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 20:52:26,833 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 20:52:26,864 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-09-11 20:52:26,864 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-11 20:52:26,864 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-09-11 20:52:26,864 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-09-11 20:52:26,865 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-09-11 20:52:26,865 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-09-11 20:52:26,865 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-09-11 20:52:26,865 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-09-11 20:52:26,865 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-09-11 20:52:26,865 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-11 20:52:26,865 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2024-09-11 20:52:26,865 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-09-11 20:52:26,865 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-09-11 20:52:26,866 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-09-11 20:52:26,866 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-09-11 20:52:26,866 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-09-11 20:52:26,866 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-11 20:52:26,866 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2024-09-11 20:52:26,866 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2024-09-11 20:52:26,866 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-09-11 20:52:26,928 INFO L242 CfgBuilder]: Building ICFG [2024-09-11 20:52:26,930 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-11 20:52:27,630 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-11 20:52:27,664 INFO L? ?]: Removed 14 outVars from TransFormulas that were not future-live. [2024-09-11 20:52:27,664 INFO L291 CfgBuilder]: Performing block encoding [2024-09-11 20:52:27,679 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-11 20:52:27,680 INFO L318 CfgBuilder]: Removed 1 assume(true) statements. [2024-09-11 20:52:27,680 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.09 08:52:27 BoogieIcfgContainer [2024-09-11 20:52:27,680 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-11 20:52:27,681 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-09-11 20:52:27,681 INFO L270 PluginConnector]: Initializing Referee... [2024-09-11 20:52:27,681 INFO L274 PluginConnector]: Referee initialized [2024-09-11 20:52:27,681 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 11.09 08:52:26" (1/4) ... [2024-09-11 20:52:27,682 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@26a1e737 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 11.09 08:52:27, skipping insertion in model container [2024-09-11 20:52:27,682 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 08:52:26" (2/4) ... [2024-09-11 20:52:27,682 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@26a1e737 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 11.09 08:52:27, skipping insertion in model container [2024-09-11 20:52:27,682 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 08:52:26" (3/4) ... [2024-09-11 20:52:27,682 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@26a1e737 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 11.09 08:52:27, skipping insertion in model container [2024-09-11 20:52:27,682 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 08:52:27" (4/4) ... [2024-09-11 20:52:27,683 INFO L79 RefereeObserver]: Analyzing ICFG ps2-ll_valuebound20.c [2024-09-11 20:52:27,686 INFO L112 InvariantChecker]: Found 1 loops. [2024-09-11 20:52:27,686 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 20:52:27,686 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 20:52:27,687 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 20:52:27,687 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 20:52:27,687 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 20:52:27,687 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 20:52:27,687 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 20:52:27,723 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 7 edges [2024-09-11 20:52:27,724 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:52:27,724 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:52:27,725 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:52:27,725 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:52:27,727 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:52:27,743 INFO L101 BaseMinimizeStates]: Removed 12 edges and 4 locations by large block encoding [2024-09-11 20:52:27,744 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:52:27,744 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:52:27,744 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:52:27,745 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:52:27,750 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:52:27,761 INFO L514 InvariantChecker]: The annotation(s) from loop head L27-3 to error location mainErr2REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-11 20:52:27,775 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-11 20:52:27,775 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:52:27,776 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:52:27,776 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:52:27,776 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:52:27,776 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:52:27,779 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-11 20:52:27,779 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:52:27,779 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:52:27,779 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:52:27,780 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:52:27,780 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:52:31,837 INFO L510 InvariantChecker]: unknown inductivity: todo good error message [2024-09-11 20:52:31,864 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 4 edges [2024-09-11 20:52:31,864 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:52:31,864 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:52:31,865 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:52:31,865 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:52:31,865 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:52:31,872 INFO L101 BaseMinimizeStates]: Removed 6 edges and 3 locations by large block encoding [2024-09-11 20:52:31,872 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:52:31,872 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:52:31,872 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:52:31,872 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:52:31,872 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:52:31,884 INFO L514 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-11 20:52:31,898 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 5 edges [2024-09-11 20:52:31,898 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:52:31,898 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:52:31,898 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:52:31,898 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:52:31,899 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:52:31,914 INFO L101 BaseMinimizeStates]: Removed 8 edges and 4 locations by large block encoding [2024-09-11 20:52:31,915 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:52:31,915 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:52:31,915 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:52:31,915 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:52:31,915 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:52:36,051 INFO L510 InvariantChecker]: unknown inductivity: todo good error message [2024-09-11 20:52:36,105 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 5 edges [2024-09-11 20:52:36,105 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:52:36,105 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:52:36,105 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:52:36,106 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:52:36,106 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:52:36,110 INFO L101 BaseMinimizeStates]: Removed 8 edges and 3 locations by large block encoding [2024-09-11 20:52:36,111 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:52:36,111 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:52:36,111 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:52:36,111 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:52:36,111 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:52:36,114 INFO L514 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-11 20:52:36,123 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-11 20:52:36,124 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:52:36,126 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:52:36,126 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:52:36,126 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:52:36,127 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:52:36,128 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-11 20:52:36,128 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:52:36,129 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:52:36,129 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:52:36,129 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:52:36,129 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:52:36,132 INFO L514 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION is inductive. [2024-09-11 20:52:36,134 INFO L58 RefereeStarter]: Insufficient resources for checking whether annotation is a valid proof of correctness [2024-09-11 20:52:36,135 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@26a1e737 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CFG 11.09 08:52:36, skipping insertion in model container [2024-09-11 20:52:36,135 INFO L131 PluginConnector]: ------------------------ END Referee---------------------------- [2024-09-11 20:52:36,136 INFO L158 Benchmark]: Toolchain (without parser) took 9578.69ms. Allocated memory was 67.1MB in the beginning and 81.8MB in the end (delta: 14.7MB). Free memory was 34.8MB in the beginning and 49.3MB in the end (delta: -14.5MB). Peak memory consumption was 11.7MB. Max. memory is 16.1GB. [2024-09-11 20:52:36,139 INFO L158 Benchmark]: CDTParser took 0.66ms. Allocated memory is still 48.2MB. Free memory was 29.0MB in the beginning and 28.9MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. [2024-09-11 20:52:36,140 INFO L158 Benchmark]: Witness Parser took 0.14ms. Allocated memory is still 67.1MB. Free memory is still 36.8MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-11 20:52:36,141 INFO L158 Benchmark]: CACSL2BoogieTranslator took 215.77ms. Allocated memory is still 67.1MB. Free memory was 34.6MB in the beginning and 38.5MB in the end (delta: -3.9MB). Peak memory consumption was 9.4MB. Max. memory is 16.1GB. [2024-09-11 20:52:36,142 INFO L158 Benchmark]: Boogie Preprocessor took 35.12ms. Allocated memory is still 67.1MB. Free memory was 38.5MB in the beginning and 36.5MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-09-11 20:52:36,142 INFO L158 Benchmark]: RCFGBuilder took 870.60ms. Allocated memory is still 67.1MB. Free memory was 36.5MB in the beginning and 40.6MB in the end (delta: -4.1MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-09-11 20:52:36,143 INFO L158 Benchmark]: Referee took 8454.15ms. Allocated memory was 67.1MB in the beginning and 81.8MB in the end (delta: 14.7MB). Free memory was 40.6MB in the beginning and 49.3MB in the end (delta: -8.7MB). Peak memory consumption was 17.2MB. Max. memory is 16.1GB. [2024-09-11 20:52:36,146 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 __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: * CDTParser took 0.66ms. Allocated memory is still 48.2MB. Free memory was 29.0MB in the beginning and 28.9MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. * Witness Parser took 0.14ms. Allocated memory is still 67.1MB. Free memory is still 36.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 215.77ms. Allocated memory is still 67.1MB. Free memory was 34.6MB in the beginning and 38.5MB in the end (delta: -3.9MB). Peak memory consumption was 9.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 35.12ms. Allocated memory is still 67.1MB. Free memory was 38.5MB in the beginning and 36.5MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 870.60ms. Allocated memory is still 67.1MB. Free memory was 36.5MB in the beginning and 40.6MB in the end (delta: -4.1MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Referee took 8454.15ms. Allocated memory was 67.1MB in the beginning and 81.8MB in the end (delta: 14.7MB). Free memory was 40.6MB in the beginning and 49.3MB in the end (delta: -8.7MB). Peak memory consumption was 17.2MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-09-11 20:52:36,192 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