./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/nla-digbench/hard2.c --full-output --witness-type correctness_witness --validate ../results/automizer-verification-files/SV-COMP24_unreach-call/hard2.yml/witness-2.1.yml --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 27b49876 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/hard2.c ../results/automizer-verification-files/SV-COMP24_unreach-call/hard2.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-tmp.dk.referee-eval-27b4987-m [2024-09-21 12:48:32,480 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-21 12:48:32,549 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Default.epf [2024-09-21 12:48:32,554 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-21 12:48:32,556 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-21 12:48:32,579 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-21 12:48:32,580 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-21 12:48:32,580 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-21 12:48:32,581 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-21 12:48:32,582 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-21 12:48:32,583 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-21 12:48:32,583 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-21 12:48:32,584 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-21 12:48:32,584 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-21 12:48:32,586 INFO L153 SettingsManager]: * Use SBE=true [2024-09-21 12:48:32,586 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-21 12:48:32,586 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-21 12:48:32,587 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-21 12:48:32,587 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-09-21 12:48:32,587 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-21 12:48:32,588 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-21 12:48:32,588 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-21 12:48:32,589 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-21 12:48:32,589 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-21 12:48:32,589 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-21 12:48:32,590 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-21 12:48:32,590 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-21 12:48:32,590 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-21 12:48:32,590 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-21 12:48:32,591 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-21 12:48:32,591 INFO L153 SettingsManager]: * Future-live optimization=false [2024-09-21 12:48:32,591 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-21 12:48:32,592 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-21 12:48:32,592 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-21 12:48:32,592 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-21 12:48:32,593 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-21 12:48:32,593 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-21 12:48:32,593 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-09-21 12:48:32,593 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-09-21 12:48:32,594 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-21 12:48:32,594 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-21 12:48:32,595 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-21 12:48:32,595 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-21 12:48:32,595 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None [2024-09-21 12:48:32,861 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-21 12:48:32,881 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-21 12:48:32,883 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-21 12:48:32,885 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-21 12:48:32,885 INFO L274 PluginConnector]: CDTParser initialized [2024-09-21 12:48:32,886 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/nla-digbench/hard2.c [2024-09-21 12:48:34,356 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-21 12:48:34,524 INFO L384 CDTParser]: Found 1 translation units. [2024-09-21 12:48:34,524 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench/hard2.c [2024-09-21 12:48:34,531 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/95b9c0d7b/0f8a19c49dbf4b82a74b06c1a8d9d2d1/FLAGe38932685 [2024-09-21 12:48:34,934 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/95b9c0d7b/0f8a19c49dbf4b82a74b06c1a8d9d2d1 [2024-09-21 12:48:34,937 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-21 12:48:34,938 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-21 12:48:34,939 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/automizer-verification-files/SV-COMP24_unreach-call/hard2.yml/witness-2.1.yml [2024-09-21 12:48:34,993 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-21 12:48:34,994 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-09-21 12:48:34,998 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-21 12:48:34,998 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-21 12:48:35,003 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-21 12:48:35,004 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 12:48:34" (1/2) ... [2024-09-21 12:48:35,007 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@9fdb1d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:48:35, skipping insertion in model container [2024-09-21 12:48:35,007 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 12:48:34" (1/2) ... [2024-09-21 12:48:35,008 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@664f1f6e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:48:35, skipping insertion in model container [2024-09-21 12:48:35,009 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 21.09 12:48:34" (2/2) ... [2024-09-21 12:48:35,009 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@9fdb1d and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 21.09 12:48:35, skipping insertion in model container [2024-09-21 12:48:35,009 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 21.09 12:48:34" (2/2) ... [2024-09-21 12:48:35,018 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-21 12:48:35,019 INFO L1541 ArrayList]: Loop invariant at [L43-L55] ((((A == ((long long) q + r)) && (d == p)) && (1 <= p)) && (B == 1)) [2024-09-21 12:48:35,020 INFO L1541 ArrayList]: Loop invariant at [L33-L41] ((((((((A == r) && (((long long) A + d) == ((long long) p + r))) && (8 <= p)) && (q == 0)) && (B == 1)) || ((((((A == r) && (p == 2)) && (1 <= r)) && (d == 2)) && (q == 0)) && (B == 1))) || ((((((A == r) && (d == 4)) && (2 <= r)) && (q == 0)) && (B == 1)) && (p == 4))) || (((((A == r) && (d == 1)) && (q == 0)) && (B == 1)) && (p == 1))) [2024-09-21 12:48:35,020 INFO L1541 ArrayList]: Function contract at [L14]: requires (cond != 0), ensures (cond != 0) [2024-09-21 12:48:35,039 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-21 12:48:35,206 WARN L248 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/hard2.c[526,539] [2024-09-21 12:48:35,230 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-21 12:48:35,244 INFO L200 MainTranslator]: Completed pre-run Start Parsing Global Start Parsing Global [2024-09-21 12:48:35,285 WARN L248 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/hard2.c[526,539] Start Parsing Local Start Parsing Local [2024-09-21 12:48:35,313 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-21 12:48:35,330 INFO L204 MainTranslator]: Completed translation [2024-09-21 12:48:35,331 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 21.09 12:48:35 WrapperNode [2024-09-21 12:48:35,331 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-21 12:48:35,332 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-21 12:48:35,333 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-21 12:48:35,333 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-21 12:48:35,346 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 21.09 12:48:35" (1/1) ... [2024-09-21 12:48:35,346 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 21.09 12:48:35" (1/1) ... [2024-09-21 12:48:35,354 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 21.09 12:48:35" (1/1) ... [2024-09-21 12:48:35,369 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 [2024-09-21 12:48:35,369 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 21.09 12:48:35" (1/1) ... [2024-09-21 12:48:35,369 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 21.09 12:48:35" (1/1) ... [2024-09-21 12:48:35,376 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 21.09 12:48:35" (1/1) ... [2024-09-21 12:48:35,379 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 21.09 12:48:35" (1/1) ... [2024-09-21 12:48:35,381 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 21.09 12:48:35" (1/1) ... [2024-09-21 12:48:35,381 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 21.09 12:48:35" (1/1) ... [2024-09-21 12:48:35,385 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-21 12:48:35,390 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-21 12:48:35,390 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-21 12:48:35,390 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-21 12:48:35,391 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 21.09 12:48:35" (1/1) ... [2024-09-21 12:48:35,398 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-21 12:48:35,407 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-09-21 12:48:35,429 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) [2024-09-21 12:48:35,435 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 [2024-09-21 12:48:35,492 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-09-21 12:48:35,492 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-21 12:48:35,492 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-09-21 12:48:35,493 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-09-21 12:48:35,493 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-09-21 12:48:35,494 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-09-21 12:48:35,495 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-09-21 12:48:35,495 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-09-21 12:48:35,495 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-09-21 12:48:35,495 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-21 12:48:35,495 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2024-09-21 12:48:35,495 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-09-21 12:48:35,496 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-09-21 12:48:35,496 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-09-21 12:48:35,496 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-09-21 12:48:35,496 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-09-21 12:48:35,496 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-21 12:48:35,496 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-09-21 12:48:35,497 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-09-21 12:48:35,497 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-09-21 12:48:35,583 INFO L242 CfgBuilder]: Building ICFG [2024-09-21 12:48:35,588 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-21 12:48:35,775 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-21 12:48:35,796 INFO L291 CfgBuilder]: Performing block encoding [2024-09-21 12:48:35,827 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-21 12:48:35,827 INFO L318 CfgBuilder]: Removed 2 assume(true) statements. [2024-09-21 12:48:35,828 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 12:48:35 BoogieIcfgContainer [2024-09-21 12:48:35,828 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-21 12:48:35,829 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-09-21 12:48:35,829 INFO L270 PluginConnector]: Initializing Referee... [2024-09-21 12:48:35,831 INFO L274 PluginConnector]: Referee initialized [2024-09-21 12:48:35,831 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 21.09 12:48:34" (1/4) ... [2024-09-21 12:48:35,832 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@30ec49e2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 21.09 12:48:35, skipping insertion in model container [2024-09-21 12:48:35,832 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 21.09 12:48:34" (2/4) ... [2024-09-21 12:48:35,832 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@30ec49e2 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 21.09 12:48:35, skipping insertion in model container [2024-09-21 12:48:35,832 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 21.09 12:48:35" (3/4) ... [2024-09-21 12:48:35,832 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@30ec49e2 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 21.09 12:48:35, skipping insertion in model container [2024-09-21 12:48:35,832 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 12:48:35" (4/4) ... [2024-09-21 12:48:35,834 INFO L79 RefereeObserver]: Analyzing ICFG hard2.c [2024-09-21 12:48:35,837 INFO L113 InvariantChecker]: Found 2 loops. [2024-09-21 12:48:35,837 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L51-2 to ERROR_LOC mainErr8REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 9 edges. [2024-09-21 12:48:35,838 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L33-3 to ERROR_LOC mainErr2REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 4 edges. [2024-09-21 12:48:35,838 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L51-2 to ERROR_LOC mainErr7REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 8 edges. [2024-09-21 12:48:35,838 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L33-3 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 7 edges. [2024-09-21 12:48:35,838 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 2 edges. [2024-09-21 12:48:35,838 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L51-2 to ERROR_LOC mainErr5REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 3 edges. [2024-09-21 12:48:35,838 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L33-3 to ERROR_LOC mainErr1REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 3 edges. [2024-09-21 12:48:35,839 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L51-2 to ERROR_LOC mainErr6REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 4 edges. [2024-09-21 12:48:35,839 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L33-3 to LOOP_INVARIANT_ERROR_LOC mainErr4ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 9 edges. [2024-09-21 12:48:35,839 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L51-2 to LOOP_INVARIANT_ERROR_LOC mainErr4ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 8 edges. [2024-09-21 12:48:35,839 INFO L373 InvariantChecker]: Will check inductivity from ENTRY __VERIFIER_assertENTRY to ERROR_LOC __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 5 edges. [2024-09-21 12:48:35,839 INFO L373 InvariantChecker]: Will check inductivity from ENTRY __VERIFIER_assertENTRY to ERROR_LOC __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 3 edges. [2024-09-21 12:48:35,839 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L33-3 to ERROR_LOC mainErr3REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 5 edges. [2024-09-21 12:48:35,840 INFO L131 InvariantChecker]: Will check 3 loop-free subgraphs from loop head to loop head, 2 loop-free subgraphs from procedure entry to error location, 1 loop-free subgraphs from procedure entry to loop head, 7 loop-free subgraphs from loop head to error location [2024-09-21 12:48:35,908 INFO L314 BlockEncoder]: Initial Icfg 8 locations, 9 edges [2024-09-21 12:48:35,913 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 12:48:35,913 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 12:48:35,914 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 12:48:35,915 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 12:48:35,917 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:48:35,946 INFO L101 BaseMinimizeStates]: Removed 18 edges and 6 locations by large block encoding [2024-09-21 12:48:35,948 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:48:35,948 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 12:48:35,948 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 12:48:35,949 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 12:48:35,959 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 12:48:35,977 INFO L520 InvariantChecker]: The annotation(s) from loop head L51-2 to error location mainErr8REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-21 12:48:36,006 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 4 edges [2024-09-21 12:48:36,010 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 12:48:36,010 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 12:48:36,010 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 12:48:36,011 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 12:48:36,011 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:48:36,018 INFO L101 BaseMinimizeStates]: Removed 6 edges and 3 locations by large block encoding [2024-09-21 12:48:36,018 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:48:36,018 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 12:48:36,018 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 12:48:36,018 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 12:48:36,019 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 12:48:36,024 INFO L520 InvariantChecker]: The annotation(s) from loop head L33-3 to error location mainErr2REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-21 12:48:36,040 INFO L314 BlockEncoder]: Initial Icfg 7 locations, 8 edges [2024-09-21 12:48:36,040 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 12:48:36,040 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 12:48:36,041 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 12:48:36,041 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 12:48:36,041 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:48:36,052 INFO L101 BaseMinimizeStates]: Removed 14 edges and 5 locations by large block encoding [2024-09-21 12:48:36,052 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:48:36,052 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 12:48:36,052 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 12:48:36,053 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 12:48:36,055 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 12:48:36,058 INFO L520 InvariantChecker]: The annotation(s) from loop head L51-2 to error location mainErr7REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-21 12:48:36,074 INFO L314 BlockEncoder]: Initial Icfg 8 locations, 7 edges [2024-09-21 12:48:36,074 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 12:48:36,075 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 12:48:36,075 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 12:48:36,075 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 12:48:36,075 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:48:36,094 INFO L101 BaseMinimizeStates]: Removed 12 edges and 6 locations by large block encoding [2024-09-21 12:48:36,095 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:48:36,095 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 12:48:36,095 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 12:48:36,096 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 12:48:36,096 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 12:48:36,100 INFO L520 InvariantChecker]: The annotation(s) from loop head L33-3 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-21 12:48:36,113 INFO L314 BlockEncoder]: Initial Icfg 3 locations, 2 edges [2024-09-21 12:48:36,114 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 12:48:36,114 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 12:48:36,114 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 12:48:36,114 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 12:48:36,114 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:48:36,121 INFO L101 BaseMinimizeStates]: Removed 2 edges and 1 locations by large block encoding [2024-09-21 12:48:36,121 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:48:36,122 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 12:48:36,122 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 12:48:36,122 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 12:48:36,122 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 12:48:36,128 INFO L520 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-21 12:48:36,150 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-21 12:48:36,151 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 12:48:36,151 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 12:48:36,151 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 12:48:36,152 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 12:48:36,152 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:48:36,155 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-21 12:48:36,156 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:48:36,156 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 12:48:36,157 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 12:48:36,157 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 12:48:36,157 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 12:48:36,159 INFO L520 InvariantChecker]: The annotation(s) from loop head L51-2 to error location mainErr5REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-21 12:48:36,174 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-21 12:48:36,175 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 12:48:36,175 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 12:48:36,175 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 12:48:36,175 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 12:48:36,176 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:48:36,181 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-21 12:48:36,182 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:48:36,182 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 12:48:36,183 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 12:48:36,183 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 12:48:36,183 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 12:48:36,190 INFO L520 InvariantChecker]: The annotation(s) from loop head L33-3 to error location mainErr1REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-21 12:48:36,205 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 4 edges [2024-09-21 12:48:36,205 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 12:48:36,206 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 12:48:36,206 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 12:48:36,207 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 12:48:36,207 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:48:36,213 INFO L101 BaseMinimizeStates]: Removed 6 edges and 3 locations by large block encoding [2024-09-21 12:48:36,213 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:48:36,214 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 12:48:36,214 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 12:48:36,214 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 12:48:36,214 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 12:48:36,216 INFO L520 InvariantChecker]: The annotation(s) from loop head L51-2 to error location mainErr6REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-21 12:48:36,228 INFO L314 BlockEncoder]: Initial Icfg 8 locations, 9 edges [2024-09-21 12:48:36,229 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 12:48:36,229 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 12:48:36,229 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 12:48:36,229 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 12:48:36,229 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:48:36,245 INFO L101 BaseMinimizeStates]: Removed 16 edges and 6 locations by large block encoding [2024-09-21 12:48:36,246 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:48:36,246 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 12:48:36,246 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 12:48:36,246 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 12:48:36,249 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 12:48:36,252 INFO L520 InvariantChecker]: The annotation(s) from loop head L33-3 to loop head mainErr4ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-21 12:48:36,265 INFO L314 BlockEncoder]: Initial Icfg 8 locations, 8 edges [2024-09-21 12:48:36,266 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 12:48:36,266 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 12:48:36,266 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 12:48:36,266 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 12:48:36,266 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:48:36,287 INFO L101 BaseMinimizeStates]: Removed 14 edges and 6 locations by large block encoding [2024-09-21 12:48:36,288 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:48:36,288 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 12:48:36,288 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 12:48:36,288 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 12:48:36,293 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 12:48:36,297 INFO L520 InvariantChecker]: The annotation(s) from loop head L51-2 to loop head mainErr4ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-21 12:48:36,308 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 5 edges [2024-09-21 12:48:36,308 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 12:48:36,308 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 12:48:36,308 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 12:48:36,309 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 12:48:36,309 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:48:36,311 INFO L101 BaseMinimizeStates]: Removed 8 edges and 3 locations by large block encoding [2024-09-21 12:48:36,312 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:48:36,312 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 12:48:36,312 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 12:48:36,312 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 12:48:36,313 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 12:48:36,315 INFO L520 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-21 12:48:36,323 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-21 12:48:36,324 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 12:48:36,324 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 12:48:36,324 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 12:48:36,325 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 12:48:36,325 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:48:36,326 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-21 12:48:36,327 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:48:36,327 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 12:48:36,327 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 12:48:36,327 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 12:48:36,328 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 12:48:36,330 INFO L520 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION is inductive. [2024-09-21 12:48:36,338 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 5 edges [2024-09-21 12:48:36,338 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 12:48:36,339 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 12:48:36,339 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 12:48:36,339 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 12:48:36,339 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:48:36,363 INFO L101 BaseMinimizeStates]: Removed 8 edges and 4 locations by large block encoding [2024-09-21 12:48:36,364 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:48:36,364 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 12:48:36,364 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 12:48:36,364 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 12:48:36,364 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 12:48:36,372 INFO L520 InvariantChecker]: The annotation(s) from loop head L33-3 to error location mainErr3REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-21 12:48:36,375 INFO L58 RefereeStarter]: Annotation is a valid proof of correctness. [2024-09-21 12:48:36,375 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@30ec49e2 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CFG 21.09 12:48:36, skipping insertion in model container [2024-09-21 12:48:36,375 INFO L131 PluginConnector]: ------------------------ END Referee---------------------------- [2024-09-21 12:48:36,383 INFO L158 Benchmark]: Toolchain (without parser) took 1382.14ms. Allocated memory was 142.6MB in the beginning and 199.2MB in the end (delta: 56.6MB). Free memory was 85.3MB in the beginning and 166.8MB in the end (delta: -81.6MB). Peak memory consumption was 44.6MB. Max. memory is 16.1GB. [2024-09-21 12:48:36,383 INFO L158 Benchmark]: CDTParser took 0.18ms. Allocated memory is still 142.6MB. Free memory is still 75.4MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-21 12:48:36,384 INFO L158 Benchmark]: Witness Parser took 0.17ms. Allocated memory is still 142.6MB. Free memory was 87.4MB in the beginning and 87.0MB in the end (delta: 385.2kB). There was no memory consumed. Max. memory is 16.1GB. [2024-09-21 12:48:36,384 INFO L158 Benchmark]: CACSL2BoogieTranslator took 333.96ms. Allocated memory is still 142.6MB. Free memory was 84.9MB in the beginning and 71.3MB in the end (delta: 13.5MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-09-21 12:48:36,384 INFO L158 Benchmark]: Boogie Preprocessor took 56.59ms. Allocated memory is still 142.6MB. Free memory was 71.3MB in the beginning and 68.5MB in the end (delta: 2.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-09-21 12:48:36,385 INFO L158 Benchmark]: RCFGBuilder took 438.35ms. Allocated memory was 142.6MB in the beginning and 199.2MB in the end (delta: 56.6MB). Free memory was 68.5MB in the beginning and 160.7MB in the end (delta: -92.3MB). Peak memory consumption was 7.8MB. Max. memory is 16.1GB. [2024-09-21 12:48:36,386 INFO L158 Benchmark]: Referee took 546.90ms. Allocated memory is still 199.2MB. Free memory was 160.7MB in the beginning and 166.8MB in the end (delta: -6.1MB). Peak memory consumption was 61.9MB. Max. memory is 16.1GB. [2024-09-21 12:48:36,391 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.referee: - AnnotationCheckResult: Annotation is a valid proof of correctness. Annotation is a valid proof of correctness. Annotation is valid for all loop-free paths from entry of procedure __VERIFIER_assert to exit of procedure __VERIFIER_assert. Annotation is valid for all loop-free paths from loop head at line 43 to check that procedure precondition always holds at line 57. Annotation is valid for all loop-free paths from entry of procedure main to loop head at line 33. 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 16. Annotation is valid for all loop-free paths from loop head at line 33 to check that procedure precondition always holds at line 35. Annotation is valid for all loop-free paths from loop head at line 33 to check that procedure precondition always holds at line 34. Annotation is valid for all loop-free paths from loop head at line 43 to check that procedure precondition always holds at line 43. Annotation is valid for all loop-free paths from loop head at line 43 to check that procedure precondition always holds at line 44. Annotation is valid for all loop-free paths from loop head at line 43 to loop head at line 43. Annotation is valid for all loop-free paths from loop head at line 33 to loop head at line 33. Annotation is valid for all loop-free paths from loop head at line 33 to loop head at line 43. Annotation is valid for all loop-free paths from loop head at line 33 to check that procedure precondition always holds at line 34. Annotation is valid for all loop-free paths from loop head at line 43 to check that procedure precondition always holds at line 44. * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18ms. Allocated memory is still 142.6MB. Free memory is still 75.4MB. There was no memory consumed. Max. memory is 16.1GB. * Witness Parser took 0.17ms. Allocated memory is still 142.6MB. Free memory was 87.4MB in the beginning and 87.0MB in the end (delta: 385.2kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 333.96ms. Allocated memory is still 142.6MB. Free memory was 84.9MB in the beginning and 71.3MB in the end (delta: 13.5MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Preprocessor took 56.59ms. Allocated memory is still 142.6MB. Free memory was 71.3MB in the beginning and 68.5MB in the end (delta: 2.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 438.35ms. Allocated memory was 142.6MB in the beginning and 199.2MB in the end (delta: 56.6MB). Free memory was 68.5MB in the beginning and 160.7MB in the end (delta: -92.3MB). Peak memory consumption was 7.8MB. Max. memory is 16.1GB. * Referee took 546.90ms. Allocated memory is still 199.2MB. Free memory was 160.7MB in the beginning and 166.8MB in the end (delta: -6.1MB). Peak memory consumption was 61.9MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2024-09-21 12:48:36,439 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 Writing output log to file Ultimate.log Result: TRUE