./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/nla-digbench-scaling/divbin_unwindbound1.i --full-output --witness-type correctness_witness --validate ../results/automizer-verification-files/SV-COMP24_unreach-call/divbin_unwindbound1.yml/witness-2.1.yml --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version de325976 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/divbin_unwindbound1.i ../results/automizer-verification-files/SV-COMP24_unreach-call/divbin_unwindbound1.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-de32597-m [2024-09-17 19:40:17,563 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-17 19:40:17,655 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Default.epf [2024-09-17 19:40:17,663 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-17 19:40:17,664 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-17 19:40:17,702 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-17 19:40:17,706 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-17 19:40:17,707 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-17 19:40:17,707 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-17 19:40:17,707 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-17 19:40:17,707 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-17 19:40:17,708 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-17 19:40:17,709 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-17 19:40:17,715 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-17 19:40:17,715 INFO L153 SettingsManager]: * Use SBE=true [2024-09-17 19:40:17,716 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-17 19:40:17,716 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-17 19:40:17,716 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-17 19:40:17,716 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-09-17 19:40:17,716 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-17 19:40:17,716 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-17 19:40:17,718 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-17 19:40:17,718 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-17 19:40:17,718 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-17 19:40:17,718 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-17 19:40:17,718 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-17 19:40:17,719 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-17 19:40:17,719 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-17 19:40:17,719 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-17 19:40:17,723 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-17 19:40:17,723 INFO L153 SettingsManager]: * Future-live optimization=false [2024-09-17 19:40:17,723 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-17 19:40:17,724 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-17 19:40:17,724 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-17 19:40:17,724 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-17 19:40:17,724 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-17 19:40:17,724 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-17 19:40:17,724 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-09-17 19:40:17,724 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-09-17 19:40:17,725 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-17 19:40:17,725 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-17 19:40:17,726 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-17 19:40:17,726 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-17 19:40:17,726 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None [2024-09-17 19:40:18,091 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-17 19:40:18,112 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-17 19:40:18,115 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-17 19:40:18,116 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-17 19:40:18,120 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-17 19:40:18,122 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/automizer-verification-files/SV-COMP24_unreach-call/divbin_unwindbound1.yml/witness-2.1.yml [2024-09-17 19:40:18,206 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-17 19:40:18,210 INFO L274 PluginConnector]: CDTParser initialized [2024-09-17 19:40:18,210 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/nla-digbench-scaling/divbin_unwindbound1.i [2024-09-17 19:40:19,541 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-17 19:40:19,737 INFO L384 CDTParser]: Found 1 translation units. [2024-09-17 19:40:19,737 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench-scaling/divbin_unwindbound1.i [2024-09-17 19:40:19,744 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/8c0c5f725/9139f13e1bdb4898ad46e046d41b6bab/FLAG45d27f0ae [2024-09-17 19:40:20,105 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/8c0c5f725/9139f13e1bdb4898ad46e046d41b6bab [2024-09-17 19:40:20,105 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-17 19:40:20,106 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-09-17 19:40:20,112 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-17 19:40:20,112 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-17 19:40:20,116 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-17 19:40:20,116 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 17.09 07:40:18" (1/2) ... [2024-09-17 19:40:20,117 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7376af9c and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 17.09 07:40:20, skipping insertion in model container [2024-09-17 19:40:20,117 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 17.09 07:40:18" (1/2) ... [2024-09-17 19:40:20,118 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@3f974656 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 17.09 07:40:20, skipping insertion in model container [2024-09-17 19:40:20,119 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.09 07:40:20" (2/2) ... [2024-09-17 19:40:20,119 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7376af9c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 07:40:20, skipping insertion in model container [2024-09-17 19:40:20,119 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.09 07:40:20" (2/2) ... [2024-09-17 19:40:20,126 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-17 19:40:20,126 INFO L1541 ArrayList]: Loop invariant at [L36-L39] ((\old(counter) == 0) && ((((A == r) && (counter == 0)) && (q == 0)) || (((A == r) && (1 <= counter)) && (q == 0)))) [2024-09-17 19:40:20,126 INFO L1541 ArrayList]: Loop invariant at [L40-L49] ((((A == r) && (1 <= counter)) && (\old(counter) == 0)) && (q == 0)) [2024-09-17 19:40:20,126 INFO L1541 ArrayList]: Function contract at [L15]: requires (counter == 0), ensures (counter == 0) [2024-09-17 19:40:20,127 INFO L1541 ArrayList]: Function contract at [L18]: requires (1 <= \old(cond)), ensures (1 <= \old(cond)) [2024-09-17 19:40:20,127 INFO L1541 ArrayList]: Function contract at [L26]: requires (counter == 0), ensures (\old(counter) == 0) [2024-09-17 19:40:20,140 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-17 19:40:20,318 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-scaling/divbin_unwindbound1.i[950,963] [2024-09-17 19:40:20,337 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-17 19:40:20,345 INFO L200 MainTranslator]: Completed pre-run Start Parsing Global Start Parsing Global Start Parsing Global Start Parsing Global [2024-09-17 19:40:20,381 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-scaling/divbin_unwindbound1.i[950,963] Start Parsing Global Start Parsing Global Start Parsing Local Start Parsing Local [2024-09-17 19:40:20,393 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-17 19:40:20,406 INFO L204 MainTranslator]: Completed translation [2024-09-17 19:40:20,407 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 07:40:20 WrapperNode [2024-09-17 19:40:20,407 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-17 19:40:20,408 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-17 19:40:20,408 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-17 19:40:20,408 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-17 19:40:20,417 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 07:40:20" (1/1) ... [2024-09-17 19:40:20,417 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 07:40:20" (1/1) ... [2024-09-17 19:40:20,424 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 07:40:20" (1/1) ... [2024-09-17 19:40:20,435 WARN L109 MemorySlicer]: Omit memory slicing because it failed with the following exception: Unsupported: Procedure assume_abort_if_not is not part of the Ultimate memory model but has specification other that is not a ModifiesSpecification [2024-09-17 19:40:20,435 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 07:40:20" (1/1) ... [2024-09-17 19:40:20,435 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 07:40:20" (1/1) ... [2024-09-17 19:40:20,442 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 07:40:20" (1/1) ... [2024-09-17 19:40:20,449 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 07:40:20" (1/1) ... [2024-09-17 19:40:20,450 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 07:40:20" (1/1) ... [2024-09-17 19:40:20,450 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 07:40:20" (1/1) ... [2024-09-17 19:40:20,452 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-17 19:40:20,455 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-17 19:40:20,455 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-17 19:40:20,455 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-17 19:40:20,456 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 07:40:20" (1/1) ... [2024-09-17 19:40:20,461 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-17 19:40:20,467 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-09-17 19:40:20,481 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) [2024-09-17 19:40:20,483 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 [2024-09-17 19:40:20,519 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-09-17 19:40:20,519 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-17 19:40:20,519 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-09-17 19:40:20,519 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-09-17 19:40:20,519 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-09-17 19:40:20,519 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-09-17 19:40:20,520 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-09-17 19:40:20,520 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-09-17 19:40:20,520 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_perror_fail [2024-09-17 19:40:20,520 INFO L130 BoogieDeclarations]: Found specification of procedure __assert [2024-09-17 19:40:20,520 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-09-17 19:40:20,520 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-17 19:40:20,520 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2024-09-17 19:40:20,520 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-09-17 19:40:20,520 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-09-17 19:40:20,520 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-09-17 19:40:20,521 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-09-17 19:40:20,521 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-09-17 19:40:20,521 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-17 19:40:20,521 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-09-17 19:40:20,521 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-09-17 19:40:20,522 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-09-17 19:40:20,589 INFO L242 CfgBuilder]: Building ICFG [2024-09-17 19:40:20,591 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-17 19:40:20,613 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-17 19:40:20,638 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-17 19:40:20,726 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-17 19:40:20,738 INFO L291 CfgBuilder]: Performing block encoding [2024-09-17 19:40:20,755 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-17 19:40:20,755 INFO L318 CfgBuilder]: Removed 2 assume(true) statements. [2024-09-17 19:40:20,755 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.09 07:40:20 BoogieIcfgContainer [2024-09-17 19:40:20,755 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-17 19:40:20,756 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-09-17 19:40:20,756 INFO L270 PluginConnector]: Initializing Referee... [2024-09-17 19:40:20,756 INFO L274 PluginConnector]: Referee initialized [2024-09-17 19:40:20,757 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 17.09 07:40:18" (1/4) ... [2024-09-17 19:40:20,757 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@45b9e883 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 17.09 07:40:20, skipping insertion in model container [2024-09-17 19:40:20,757 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 17.09 07:40:20" (2/4) ... [2024-09-17 19:40:20,757 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@45b9e883 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 17.09 07:40:20, skipping insertion in model container [2024-09-17 19:40:20,758 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 07:40:20" (3/4) ... [2024-09-17 19:40:20,758 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@45b9e883 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 17.09 07:40:20, skipping insertion in model container [2024-09-17 19:40:20,758 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.09 07:40:20" (4/4) ... [2024-09-17 19:40:20,759 INFO L79 RefereeObserver]: Analyzing ICFG divbin_unwindbound1.i [2024-09-17 19:40:20,761 INFO L113 InvariantChecker]: Found 2 loops. [2024-09-17 19:40:20,762 INFO L373 InvariantChecker]: Will check inductivity from ENTRY assume_abort_if_notENTRY to ERROR_LOC assume_abort_if_notErr0ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 4 edges. [2024-09-17 19:40:20,762 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L45-2 to ERROR_LOC mainErr5REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 8 edges. [2024-09-17 19:40:20,762 INFO L373 InvariantChecker]: Will check inductivity from ENTRY mainENTRY to ERROR_LOC mainErr0REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 2 edges. [2024-09-17 19:40:20,762 INFO L373 InvariantChecker]: Will check inductivity from ENTRY mainENTRY to ERROR_LOC mainErr1REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 3 edges. [2024-09-17 19:40:20,763 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L45-2 to LOOP_INVARIANT_ERROR_LOC mainErr3ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 8 edges. [2024-09-17 19:40:20,763 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L36-4 to LOOP_INVARIANT_ERROR_LOC mainErr3ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 7 edges. [2024-09-17 19:40:20,763 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L45-2 to ERROR_LOC mainErr4REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 4 edges. [2024-09-17 19:40:20,763 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L45-2 to ERROR_LOC mainErr6ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 10 edges. [2024-09-17 19:40:20,763 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC ULTIMATE.startErr0REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 3 edges. [2024-09-17 19:40:20,763 INFO L373 InvariantChecker]: Will check inductivity from ENTRY mainENTRY to LOOP_INVARIANT_ERROR_LOC mainErr2ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 5 edges. [2024-09-17 19:40:20,763 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L36-4 to LOOP_INVARIANT_ERROR_LOC mainErr2ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 5 edges. [2024-09-17 19:40:20,764 INFO L373 InvariantChecker]: Will check inductivity from ENTRY __VERIFIER_assertENTRY to ERROR_LOC __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 5 edges. [2024-09-17 19:40:20,764 INFO L373 InvariantChecker]: Will check inductivity from ENTRY __VERIFIER_assertENTRY to ERROR_LOC __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 3 edges. [2024-09-17 19:40:20,764 INFO L131 InvariantChecker]: Will check 3 loop-free subgraphs from loop head to loop head, 6 loop-free subgraphs from procedure entry to error location, 3 loop-free subgraphs from loop head to error location, 1 loop-free subgraphs from procedure entry to loop head [2024-09-17 19:40:20,800 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 4 edges [2024-09-17 19:40:20,801 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-17 19:40:20,802 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-17 19:40:20,802 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-17 19:40:20,803 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-17 19:40:20,804 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-17 19:40:20,809 INFO L101 BaseMinimizeStates]: Removed 6 edges and 2 locations by large block encoding [2024-09-17 19:40:20,810 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-17 19:40:20,810 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-17 19:40:20,810 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-17 19:40:20,813 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-17 19:40:20,814 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-17 19:40:20,826 INFO L520 InvariantChecker]: The annotation(s) from entry assume_abort_if_notENTRY to error location assume_abort_if_notErr0ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-17 19:40:20,843 INFO L314 BlockEncoder]: Initial Icfg 7 locations, 8 edges [2024-09-17 19:40:20,843 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-17 19:40:20,843 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-17 19:40:20,843 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-17 19:40:20,844 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-17 19:40:20,844 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-17 19:40:20,863 INFO L101 BaseMinimizeStates]: Removed 14 edges and 5 locations by large block encoding [2024-09-17 19:40:20,863 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-17 19:40:20,863 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-17 19:40:20,864 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-17 19:40:20,864 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-17 19:40:20,868 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-17 19:40:24,872 INFO L516 InvariantChecker]: unknown inductivity: todo good error message [2024-09-17 19:40:24,889 INFO L314 BlockEncoder]: Initial Icfg 3 locations, 2 edges [2024-09-17 19:40:24,889 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-17 19:40:24,889 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-17 19:40:24,889 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-17 19:40:24,890 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-17 19:40:24,890 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-17 19:40:24,890 INFO L101 BaseMinimizeStates]: Removed 2 edges and 1 locations by large block encoding [2024-09-17 19:40:24,891 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-17 19:40:24,891 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-17 19:40:24,891 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-17 19:40:24,891 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-17 19:40:24,891 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-17 19:40:24,893 INFO L520 InvariantChecker]: The annotation(s) from entry mainENTRY to error location mainErr0REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-17 19:40:24,902 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-17 19:40:24,903 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-17 19:40:24,903 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-17 19:40:24,903 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-17 19:40:24,903 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-17 19:40:24,903 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-17 19:40:24,904 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-17 19:40:24,904 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-17 19:40:24,904 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-17 19:40:24,904 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-17 19:40:24,905 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-17 19:40:24,905 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-17 19:40:24,906 INFO L520 InvariantChecker]: The annotation(s) from entry mainENTRY to error location mainErr1REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-17 19:40:24,916 INFO L314 BlockEncoder]: Initial Icfg 8 locations, 8 edges [2024-09-17 19:40:24,917 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-17 19:40:24,917 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-17 19:40:24,917 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-17 19:40:24,917 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-17 19:40:24,917 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-17 19:40:24,935 INFO L101 BaseMinimizeStates]: Removed 14 edges and 6 locations by large block encoding [2024-09-17 19:40:24,936 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-17 19:40:24,936 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-17 19:40:24,936 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-17 19:40:24,936 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-17 19:40:24,941 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-17 19:40:24,945 INFO L520 InvariantChecker]: The annotation(s) from loop head L45-2 to loop head mainErr3ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-17 19:40:24,954 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 7 edges [2024-09-17 19:40:24,954 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-17 19:40:24,954 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-17 19:40:24,954 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-17 19:40:24,955 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-17 19:40:24,955 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-17 19:40:24,965 INFO L101 BaseMinimizeStates]: Removed 12 edges and 4 locations by large block encoding [2024-09-17 19:40:24,965 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-17 19:40:24,965 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-17 19:40:24,965 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-17 19:40:24,965 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-17 19:40:24,967 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-17 19:40:24,969 INFO L520 InvariantChecker]: The annotation(s) from loop head L36-4 to loop head mainErr3ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-17 19:40:24,977 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 4 edges [2024-09-17 19:40:24,978 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-17 19:40:24,978 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-17 19:40:24,978 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-17 19:40:24,978 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-17 19:40:24,978 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-17 19:40:24,983 INFO L101 BaseMinimizeStates]: Removed 6 edges and 3 locations by large block encoding [2024-09-17 19:40:24,983 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-17 19:40:24,983 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-17 19:40:24,983 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-17 19:40:24,983 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-17 19:40:24,983 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-17 19:40:24,986 INFO L520 InvariantChecker]: The annotation(s) from loop head L45-2 to error location mainErr4REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-17 19:40:24,995 INFO L314 BlockEncoder]: Initial Icfg 9 locations, 10 edges [2024-09-17 19:40:24,996 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-17 19:40:24,996 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-17 19:40:24,996 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-17 19:40:24,996 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-17 19:40:24,996 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-17 19:40:25,011 INFO L101 BaseMinimizeStates]: Removed 22 edges and 7 locations by large block encoding [2024-09-17 19:40:25,011 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-17 19:40:25,012 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-17 19:40:25,012 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-17 19:40:25,012 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-17 19:40:25,013 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-17 19:40:25,014 INFO L520 InvariantChecker]: The annotation(s) from loop head L45-2 to error location mainErr6ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-17 19:40:25,022 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-17 19:40:25,022 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-17 19:40:25,022 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-17 19:40:25,022 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-17 19:40:25,022 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-17 19:40:25,023 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-17 19:40:25,024 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-17 19:40:25,024 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-17 19:40:25,024 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-17 19:40:25,024 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-17 19:40:25,024 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-17 19:40:25,024 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-17 19:40:25,025 INFO L520 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to error location ULTIMATE.startErr0REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-17 19:40:25,034 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 5 edges [2024-09-17 19:40:25,034 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-17 19:40:25,034 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-17 19:40:25,034 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-17 19:40:25,034 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-17 19:40:25,034 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-17 19:40:25,037 INFO L101 BaseMinimizeStates]: Removed 8 edges and 4 locations by large block encoding [2024-09-17 19:40:25,037 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-17 19:40:25,037 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-17 19:40:25,037 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-17 19:40:25,037 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-17 19:40:25,038 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-17 19:40:25,039 INFO L520 InvariantChecker]: The annotation(s) from entry mainENTRY to loop head mainErr2ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-17 19:40:25,048 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 5 edges [2024-09-17 19:40:25,048 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-17 19:40:25,048 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-17 19:40:25,048 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-17 19:40:25,048 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-17 19:40:25,048 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-17 19:40:25,054 INFO L101 BaseMinimizeStates]: Removed 8 edges and 4 locations by large block encoding [2024-09-17 19:40:25,054 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-17 19:40:25,054 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-17 19:40:25,054 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-17 19:40:25,055 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-17 19:40:25,055 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-17 19:40:25,057 INFO L520 InvariantChecker]: The annotation(s) from loop head L36-4 to loop head mainErr2ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-17 19:40:25,064 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 5 edges [2024-09-17 19:40:25,064 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-17 19:40:25,064 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-17 19:40:25,065 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-17 19:40:25,065 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-17 19:40:25,065 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-17 19:40:25,067 INFO L101 BaseMinimizeStates]: Removed 8 edges and 3 locations by large block encoding [2024-09-17 19:40:25,067 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-17 19:40:25,067 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-17 19:40:25,067 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-17 19:40:25,067 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-17 19:40:25,068 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-17 19:40:25,069 INFO L520 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-17 19:40:25,076 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-17 19:40:25,077 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-17 19:40:25,077 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-17 19:40:25,077 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-17 19:40:25,077 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-17 19:40:25,078 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-17 19:40:25,079 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-17 19:40:25,079 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-17 19:40:25,079 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-17 19:40:25,079 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-17 19:40:25,079 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-17 19:40:25,080 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-17 19:40:25,081 INFO L520 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION is inductive. [2024-09-17 19:40:25,084 INFO L58 RefereeStarter]: Insufficient resources for checking whether annotation is a valid proof of correctness. [2024-09-17 19:40:25,085 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@45b9e883 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee CFG 17.09 07:40:25, skipping insertion in model container [2024-09-17 19:40:25,085 INFO L131 PluginConnector]: ------------------------ END Referee---------------------------- [2024-09-17 19:40:25,086 INFO L158 Benchmark]: Toolchain (without parser) took 4979.63ms. Allocated memory is still 192.9MB. Free memory was 118.7MB in the beginning and 78.3MB in the end (delta: 40.4MB). Peak memory consumption was 39.2MB. Max. memory is 16.1GB. [2024-09-17 19:40:25,087 INFO L158 Benchmark]: Witness Parser took 0.18ms. Allocated memory is still 192.9MB. Free memory is still 149.6MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-17 19:40:25,087 INFO L158 Benchmark]: CDTParser took 0.07ms. Allocated memory is still 192.9MB. Free memory is still 163.9MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-17 19:40:25,087 INFO L158 Benchmark]: CACSL2BoogieTranslator took 295.59ms. Allocated memory is still 192.9MB. Free memory was 118.5MB in the beginning and 155.9MB in the end (delta: -37.4MB). Peak memory consumption was 9.8MB. Max. memory is 16.1GB. [2024-09-17 19:40:25,088 INFO L158 Benchmark]: Boogie Preprocessor took 46.29ms. Allocated memory is still 192.9MB. Free memory was 155.9MB in the beginning and 153.9MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-09-17 19:40:25,088 INFO L158 Benchmark]: RCFGBuilder took 300.84ms. Allocated memory is still 192.9MB. Free memory was 153.8MB in the beginning and 138.2MB in the end (delta: 15.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-09-17 19:40:25,089 INFO L158 Benchmark]: Referee took 4329.11ms. Allocated memory is still 192.9MB. Free memory was 138.2MB in the beginning and 78.3MB in the end (delta: 59.8MB). Peak memory consumption was 58.7MB. Max. memory is 16.1GB. [2024-09-17 19:40:25,091 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 40 to check that procedure precondition always holds at line 40. Annotation is valid for all loop-free paths from loop head at line 40 to check that procedure precondition always holds at line 41. 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 36. Annotation is valid for all loop-free paths from loop head at line 36 to loop head at line 36. Annotation is valid for all loop-free paths from entry of procedure ULTIMATE.start to check that procedure precondition always holds at line -1. Annotation is valid for all loop-free paths from loop head at line 40 to exit of procedure main. 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 20. Annotation is valid for all loop-free paths from entry of procedure assume_abort_if_not to exit of procedure assume_abort_if_not. Annotation is valid for all loop-free paths from entry of procedure main to check that procedure precondition always holds at line 31. Annotation is valid for all loop-free paths from loop head at line 40 to loop head at line 40. Annotation is valid for all loop-free paths from entry of procedure main to check that procedure precondition always holds at line 31. Annotation is valid for all loop-free paths from loop head at line 36 to loop head at line 40. * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Witness Parser took 0.18ms. Allocated memory is still 192.9MB. Free memory is still 149.6MB. There was no memory consumed. Max. memory is 16.1GB. * CDTParser took 0.07ms. Allocated memory is still 192.9MB. Free memory is still 163.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 295.59ms. Allocated memory is still 192.9MB. Free memory was 118.5MB in the beginning and 155.9MB in the end (delta: -37.4MB). Peak memory consumption was 9.8MB. Max. memory is 16.1GB. * Boogie Preprocessor took 46.29ms. Allocated memory is still 192.9MB. Free memory was 155.9MB in the beginning and 153.9MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 300.84ms. Allocated memory is still 192.9MB. Free memory was 153.8MB in the beginning and 138.2MB in the end (delta: 15.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Referee took 4329.11ms. Allocated memory is still 192.9MB. Free memory was 138.2MB in the beginning and 78.3MB in the end (delta: 59.8MB). Peak memory consumption was 58.7MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-09-17 19:40:25,111 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/divbin_unwindbound1.i ../results/automizer-verification-files/SV-COMP24_unreach-call/divbin_unwindbound1.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-tmp.dk.referee-eval-de32597-m [2024-09-17 19:40:27,216 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-17 19:40:27,288 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Bitvector.epf [2024-09-17 19:40:27,293 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-17 19:40:27,294 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-17 19:40:27,318 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-17 19:40:27,319 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-17 19:40:27,319 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-17 19:40:27,320 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-17 19:40:27,320 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-17 19:40:27,320 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-17 19:40:27,320 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-17 19:40:27,321 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-17 19:40:27,321 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-17 19:40:27,321 INFO L153 SettingsManager]: * Use SBE=true [2024-09-17 19:40:27,322 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-17 19:40:27,322 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-17 19:40:27,322 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-17 19:40:27,322 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-17 19:40:27,323 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-17 19:40:27,323 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-17 19:40:27,329 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-17 19:40:27,329 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-17 19:40:27,329 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-09-17 19:40:27,329 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-09-17 19:40:27,330 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-17 19:40:27,330 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-09-17 19:40:27,330 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-17 19:40:27,330 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-17 19:40:27,330 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-17 19:40:27,331 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-17 19:40:27,331 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-17 19:40:27,331 INFO L153 SettingsManager]: * Future-live optimization=false [2024-09-17 19:40:27,331 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-17 19:40:27,331 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-17 19:40:27,332 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-17 19:40:27,332 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-17 19:40:27,335 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-17 19:40:27,335 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-17 19:40:27,335 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-09-17 19:40:27,336 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-09-17 19:40:27,337 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-17 19:40:27,337 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-17 19:40:27,337 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-17 19:40:27,337 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-17 19:40:27,339 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2024-09-17 19:40:27,339 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None [2024-09-17 19:40:27,610 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-17 19:40:27,625 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-17 19:40:27,627 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-17 19:40:27,628 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-17 19:40:27,628 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-17 19:40:27,629 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/automizer-verification-files/SV-COMP24_unreach-call/divbin_unwindbound1.yml/witness-2.1.yml [2024-09-17 19:40:27,670 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-17 19:40:27,671 INFO L274 PluginConnector]: CDTParser initialized [2024-09-17 19:40:27,671 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/nla-digbench-scaling/divbin_unwindbound1.i [2024-09-17 19:40:29,056 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-17 19:40:29,239 INFO L384 CDTParser]: Found 1 translation units. [2024-09-17 19:40:29,240 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench-scaling/divbin_unwindbound1.i [2024-09-17 19:40:29,247 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/207898cf9/8fda0eaad39a4d82b56b795a45f6ef83/FLAGd66bb7806 [2024-09-17 19:40:29,261 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/207898cf9/8fda0eaad39a4d82b56b795a45f6ef83 [2024-09-17 19:40:29,262 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-17 19:40:29,263 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-09-17 19:40:29,264 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-17 19:40:29,264 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-17 19:40:29,268 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-17 19:40:29,269 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 17.09 07:40:27" (1/2) ... [2024-09-17 19:40:29,271 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@bc98228 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 17.09 07:40:29, skipping insertion in model container [2024-09-17 19:40:29,271 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 17.09 07:40:27" (1/2) ... [2024-09-17 19:40:29,272 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@63662cf1 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 17.09 07:40:29, skipping insertion in model container [2024-09-17 19:40:29,274 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.09 07:40:29" (2/2) ... [2024-09-17 19:40:29,274 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@bc98228 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 07:40:29, skipping insertion in model container [2024-09-17 19:40:29,275 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.09 07:40:29" (2/2) ... [2024-09-17 19:40:29,286 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-17 19:40:29,286 INFO L1541 ArrayList]: Loop invariant at [L36-L39] ((\old(counter) == 0) && ((((A == r) && (counter == 0)) && (q == 0)) || (((A == r) && (1 <= counter)) && (q == 0)))) [2024-09-17 19:40:29,287 INFO L1541 ArrayList]: Loop invariant at [L40-L49] ((((A == r) && (1 <= counter)) && (\old(counter) == 0)) && (q == 0)) [2024-09-17 19:40:29,287 INFO L1541 ArrayList]: Function contract at [L26]: requires (counter == 0), ensures (\old(counter) == 0) [2024-09-17 19:40:29,287 INFO L1541 ArrayList]: Function contract at [L18]: requires (1 <= \old(cond)), ensures (1 <= \old(cond)) [2024-09-17 19:40:29,287 INFO L1541 ArrayList]: Function contract at [L15]: requires (counter == 0), ensures (counter == 0) [2024-09-17 19:40:29,301 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-17 19:40:29,433 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-scaling/divbin_unwindbound1.i[950,963] [2024-09-17 19:40:29,453 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-17 19:40:29,463 INFO L200 MainTranslator]: Completed pre-run Start Parsing Global Start Parsing Global Start Parsing Global Start Parsing Global [2024-09-17 19:40:29,493 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-scaling/divbin_unwindbound1.i[950,963] Start Parsing Global Start Parsing Global Start Parsing Local Start Parsing Local [2024-09-17 19:40:29,504 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-17 19:40:29,519 INFO L204 MainTranslator]: Completed translation [2024-09-17 19:40:29,520 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 07:40:29 WrapperNode [2024-09-17 19:40:29,520 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-17 19:40:29,521 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-17 19:40:29,521 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-17 19:40:29,521 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-17 19:40:29,531 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 07:40:29" (1/1) ... [2024-09-17 19:40:29,532 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 07:40:29" (1/1) ... [2024-09-17 19:40:29,537 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 07:40:29" (1/1) ... [2024-09-17 19:40:29,547 WARN L109 MemorySlicer]: Omit memory slicing because it failed with the following exception: Unsupported: Procedure assume_abort_if_not is not part of the Ultimate memory model but has specification other that is not a ModifiesSpecification [2024-09-17 19:40:29,547 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 07:40:29" (1/1) ... [2024-09-17 19:40:29,547 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 07:40:29" (1/1) ... [2024-09-17 19:40:29,557 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 07:40:29" (1/1) ... [2024-09-17 19:40:29,560 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 07:40:29" (1/1) ... [2024-09-17 19:40:29,561 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 07:40:29" (1/1) ... [2024-09-17 19:40:29,562 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 07:40:29" (1/1) ... [2024-09-17 19:40:29,565 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-17 19:40:29,568 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-17 19:40:29,568 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-17 19:40:29,568 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-17 19:40:29,569 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 07:40:29" (1/1) ... [2024-09-17 19:40:29,574 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-17 19:40:29,582 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-09-17 19:40:29,596 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) [2024-09-17 19:40:29,599 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 [2024-09-17 19:40:29,647 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-09-17 19:40:29,648 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-17 19:40:29,648 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-09-17 19:40:29,648 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-09-17 19:40:29,648 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-09-17 19:40:29,648 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-09-17 19:40:29,648 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-09-17 19:40:29,648 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-09-17 19:40:29,649 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_perror_fail [2024-09-17 19:40:29,649 INFO L130 BoogieDeclarations]: Found specification of procedure __assert [2024-09-17 19:40:29,649 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-09-17 19:40:29,649 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-17 19:40:29,649 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2024-09-17 19:40:29,650 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-09-17 19:40:29,650 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-09-17 19:40:29,650 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-09-17 19:40:29,650 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-09-17 19:40:29,650 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-09-17 19:40:29,650 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-17 19:40:29,651 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2024-09-17 19:40:29,651 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2024-09-17 19:40:29,652 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-09-17 19:40:29,721 INFO L242 CfgBuilder]: Building ICFG [2024-09-17 19:40:29,723 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-17 19:40:29,742 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-17 19:40:29,770 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-17 19:40:29,951 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-17 19:40:29,960 INFO L291 CfgBuilder]: Performing block encoding [2024-09-17 19:40:29,981 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-17 19:40:29,981 INFO L318 CfgBuilder]: Removed 2 assume(true) statements. [2024-09-17 19:40:29,982 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.09 07:40:29 BoogieIcfgContainer [2024-09-17 19:40:29,982 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-17 19:40:29,982 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-09-17 19:40:29,982 INFO L270 PluginConnector]: Initializing Referee... [2024-09-17 19:40:29,983 INFO L274 PluginConnector]: Referee initialized [2024-09-17 19:40:29,983 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 17.09 07:40:27" (1/4) ... [2024-09-17 19:40:29,984 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@378c1c18 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 17.09 07:40:29, skipping insertion in model container [2024-09-17 19:40:29,984 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 17.09 07:40:29" (2/4) ... [2024-09-17 19:40:29,984 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@378c1c18 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 17.09 07:40:29, skipping insertion in model container [2024-09-17 19:40:29,984 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 07:40:29" (3/4) ... [2024-09-17 19:40:29,984 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@378c1c18 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 17.09 07:40:29, skipping insertion in model container [2024-09-17 19:40:29,984 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.09 07:40:29" (4/4) ... [2024-09-17 19:40:29,985 INFO L79 RefereeObserver]: Analyzing ICFG divbin_unwindbound1.i [2024-09-17 19:40:29,992 INFO L113 InvariantChecker]: Found 2 loops. [2024-09-17 19:40:29,992 INFO L373 InvariantChecker]: Will check inductivity from ENTRY assume_abort_if_notENTRY to ERROR_LOC assume_abort_if_notErr0ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 4 edges. [2024-09-17 19:40:29,993 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L45-2 to ERROR_LOC mainErr5REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 8 edges. [2024-09-17 19:40:29,993 INFO L373 InvariantChecker]: Will check inductivity from ENTRY mainENTRY to ERROR_LOC mainErr0REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 2 edges. [2024-09-17 19:40:29,993 INFO L373 InvariantChecker]: Will check inductivity from ENTRY mainENTRY to ERROR_LOC mainErr1REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 3 edges. [2024-09-17 19:40:29,993 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L45-2 to LOOP_INVARIANT_ERROR_LOC mainErr3ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 8 edges. [2024-09-17 19:40:29,993 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L36-4 to LOOP_INVARIANT_ERROR_LOC mainErr3ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 7 edges. [2024-09-17 19:40:29,993 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L45-2 to ERROR_LOC mainErr4REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 4 edges. [2024-09-17 19:40:29,994 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L45-2 to ERROR_LOC mainErr6ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 10 edges. [2024-09-17 19:40:29,994 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC ULTIMATE.startErr0REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 3 edges. [2024-09-17 19:40:29,994 INFO L373 InvariantChecker]: Will check inductivity from ENTRY mainENTRY to LOOP_INVARIANT_ERROR_LOC mainErr2ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 5 edges. [2024-09-17 19:40:29,994 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L36-4 to LOOP_INVARIANT_ERROR_LOC mainErr2ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 5 edges. [2024-09-17 19:40:29,994 INFO L373 InvariantChecker]: Will check inductivity from ENTRY __VERIFIER_assertENTRY to ERROR_LOC __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 5 edges. [2024-09-17 19:40:29,994 INFO L373 InvariantChecker]: Will check inductivity from ENTRY __VERIFIER_assertENTRY to ERROR_LOC __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 3 edges. [2024-09-17 19:40:29,994 INFO L131 InvariantChecker]: Will check 6 loop-free subgraphs from procedure entry to error location, 1 loop-free subgraphs from procedure entry to loop head, 3 loop-free subgraphs from loop head to loop head, 3 loop-free subgraphs from loop head to error location [2024-09-17 19:40:30,033 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 4 edges [2024-09-17 19:40:30,034 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-17 19:40:30,034 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-17 19:40:30,035 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-17 19:40:30,035 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-17 19:40:30,037 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-17 19:40:30,044 INFO L101 BaseMinimizeStates]: Removed 6 edges and 2 locations by large block encoding [2024-09-17 19:40:30,045 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-17 19:40:30,045 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-17 19:40:30,045 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-17 19:40:30,045 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-17 19:40:30,051 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-17 19:40:30,068 INFO L520 InvariantChecker]: The annotation(s) from entry assume_abort_if_notENTRY to error location assume_abort_if_notErr0ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-17 19:40:30,084 INFO L314 BlockEncoder]: Initial Icfg 7 locations, 8 edges [2024-09-17 19:40:30,084 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-17 19:40:30,085 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-17 19:40:30,085 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-17 19:40:30,085 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-17 19:40:30,085 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-17 19:40:30,101 INFO L101 BaseMinimizeStates]: Removed 14 edges and 5 locations by large block encoding [2024-09-17 19:40:30,101 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-17 19:40:30,101 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-17 19:40:30,102 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-17 19:40:30,102 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-17 19:40:30,104 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-17 19:40:30,106 INFO L520 InvariantChecker]: The annotation(s) from loop head L45-2 to error location mainErr5REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-17 19:40:30,121 INFO L314 BlockEncoder]: Initial Icfg 3 locations, 2 edges [2024-09-17 19:40:30,122 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-17 19:40:30,122 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-17 19:40:30,122 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-17 19:40:30,122 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-17 19:40:30,122 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-17 19:40:30,123 INFO L101 BaseMinimizeStates]: Removed 2 edges and 1 locations by large block encoding [2024-09-17 19:40:30,123 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-17 19:40:30,124 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-17 19:40:30,124 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-17 19:40:30,124 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-17 19:40:30,124 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-17 19:40:30,126 INFO L520 InvariantChecker]: The annotation(s) from entry mainENTRY to error location mainErr0REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-17 19:40:30,148 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-17 19:40:30,151 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-17 19:40:30,151 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-17 19:40:30,151 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-17 19:40:30,152 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-17 19:40:30,152 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-17 19:40:30,153 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-17 19:40:30,153 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-17 19:40:30,153 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-17 19:40:30,153 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-17 19:40:30,153 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-17 19:40:30,154 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-17 19:40:30,157 INFO L520 InvariantChecker]: The annotation(s) from entry mainENTRY to error location mainErr1REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-17 19:40:30,184 INFO L314 BlockEncoder]: Initial Icfg 8 locations, 8 edges [2024-09-17 19:40:30,185 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-17 19:40:30,185 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-17 19:40:30,185 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-17 19:40:30,185 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-17 19:40:30,185 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-17 19:40:30,216 INFO L101 BaseMinimizeStates]: Removed 14 edges and 6 locations by large block encoding [2024-09-17 19:40:30,220 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-17 19:40:30,220 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-17 19:40:30,220 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-17 19:40:30,220 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-17 19:40:30,228 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-17 19:40:30,234 INFO L520 InvariantChecker]: The annotation(s) from loop head L45-2 to loop head mainErr3ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-17 19:40:30,252 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 7 edges [2024-09-17 19:40:30,252 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-17 19:40:30,252 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-17 19:40:30,252 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-17 19:40:30,252 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-17 19:40:30,252 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-17 19:40:30,282 INFO L101 BaseMinimizeStates]: Removed 12 edges and 4 locations by large block encoding [2024-09-17 19:40:30,283 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-17 19:40:30,283 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-17 19:40:30,283 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-17 19:40:30,283 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-17 19:40:30,292 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-17 19:40:30,316 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 4 edges [2024-09-17 19:40:30,316 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-17 19:40:30,316 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-17 19:40:30,316 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-17 19:40:30,316 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-17 19:40:30,316 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-17 19:40:30,320 INFO L101 BaseMinimizeStates]: Removed 6 edges and 3 locations by large block encoding [2024-09-17 19:40:30,321 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-17 19:40:30,321 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-17 19:40:30,321 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-17 19:40:30,321 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-17 19:40:30,321 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-17 19:40:30,323 INFO L520 InvariantChecker]: The annotation(s) from loop head L45-2 to error location mainErr4REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-17 19:40:30,330 INFO L314 BlockEncoder]: Initial Icfg 9 locations, 10 edges [2024-09-17 19:40:30,330 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-17 19:40:30,330 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-17 19:40:30,331 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-17 19:40:30,331 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-17 19:40:30,331 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-17 19:40:30,342 INFO L101 BaseMinimizeStates]: Removed 22 edges and 7 locations by large block encoding [2024-09-17 19:40:30,343 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-17 19:40:30,343 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-17 19:40:30,343 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-17 19:40:30,343 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-17 19:40:30,343 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-17 19:40:30,344 INFO L520 InvariantChecker]: The annotation(s) from loop head L45-2 to error location mainErr6ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-17 19:40:30,350 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-17 19:40:30,351 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-17 19:40:30,351 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-17 19:40:30,351 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-17 19:40:30,351 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-17 19:40:30,351 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-17 19:40:30,352 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-17 19:40:30,352 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-17 19:40:30,352 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-17 19:40:30,352 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-17 19:40:30,353 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-17 19:40:30,353 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-17 19:40:30,354 INFO L520 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to error location ULTIMATE.startErr0REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-17 19:40:30,361 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 5 edges [2024-09-17 19:40:30,361 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-17 19:40:30,361 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-17 19:40:30,361 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-17 19:40:30,361 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-17 19:40:30,361 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-17 19:40:30,363 INFO L101 BaseMinimizeStates]: Removed 8 edges and 4 locations by large block encoding [2024-09-17 19:40:30,364 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-17 19:40:30,364 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-17 19:40:30,364 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-17 19:40:30,364 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-17 19:40:30,364 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-17 19:40:30,366 INFO L520 InvariantChecker]: The annotation(s) from entry mainENTRY to loop head mainErr2ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-17 19:40:30,373 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 5 edges [2024-09-17 19:40:30,373 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-17 19:40:30,373 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-17 19:40:30,374 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-17 19:40:30,374 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-17 19:40:30,374 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-17 19:40:30,380 INFO L101 BaseMinimizeStates]: Removed 8 edges and 4 locations by large block encoding [2024-09-17 19:40:30,381 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-17 19:40:30,381 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-17 19:40:30,381 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-17 19:40:30,381 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-17 19:40:30,381 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-17 19:40:30,383 INFO L520 InvariantChecker]: The annotation(s) from loop head L36-4 to loop head mainErr2ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-17 19:40:30,389 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 5 edges [2024-09-17 19:40:30,390 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-17 19:40:30,390 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-17 19:40:30,390 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-17 19:40:30,390 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-17 19:40:30,390 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-17 19:40:30,392 INFO L101 BaseMinimizeStates]: Removed 8 edges and 3 locations by large block encoding [2024-09-17 19:40:30,392 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-17 19:40:30,392 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-17 19:40:30,392 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-17 19:40:30,392 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-17 19:40:30,393 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-17 19:40:30,394 INFO L520 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-17 19:40:30,400 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-17 19:40:30,400 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-17 19:40:30,401 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-17 19:40:30,401 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-17 19:40:30,401 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-17 19:40:30,401 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-17 19:40:30,402 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-17 19:40:30,403 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-17 19:40:30,403 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-17 19:40:30,403 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-17 19:40:30,403 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-17 19:40:30,403 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-17 19:40:30,404 INFO L520 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION is inductive. [2024-09-17 19:40:30,411 WARN L945 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #t~post3 [2024-09-17 19:40:30,413 INFO L58 RefereeStarter]: Annotation is not a valid proof of correctness. [2024-09-17 19:40:30,413 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@378c1c18 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee CFG 17.09 07:40:30, skipping insertion in model container [2024-09-17 19:40:30,414 INFO L131 PluginConnector]: ------------------------ END Referee---------------------------- [2024-09-17 19:40:30,415 INFO L158 Benchmark]: Toolchain (without parser) took 1152.03ms. Allocated memory is still 92.3MB. Free memory was 71.0MB in the beginning and 37.2MB in the end (delta: 33.8MB). Peak memory consumption was 37.1MB. Max. memory is 16.1GB. [2024-09-17 19:40:30,416 INFO L158 Benchmark]: Witness Parser took 0.18ms. Allocated memory is still 54.5MB. Free memory was 35.4MB in the beginning and 35.4MB in the end (delta: 73.4kB). There was no memory consumed. Max. memory is 16.1GB. [2024-09-17 19:40:30,416 INFO L158 Benchmark]: CDTParser took 0.12ms. Allocated memory is still 54.5MB. Free memory was 33.3MB in the beginning and 33.2MB in the end (delta: 73.5kB). There was no memory consumed. Max. memory is 16.1GB. [2024-09-17 19:40:30,417 INFO L158 Benchmark]: CACSL2BoogieTranslator took 256.35ms. Allocated memory is still 92.3MB. Free memory was 71.0MB in the beginning and 56.7MB in the end (delta: 14.3MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-09-17 19:40:30,417 INFO L158 Benchmark]: Boogie Preprocessor took 46.58ms. Allocated memory is still 92.3MB. Free memory was 56.7MB in the beginning and 54.3MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-09-17 19:40:30,417 INFO L158 Benchmark]: RCFGBuilder took 413.63ms. Allocated memory is still 92.3MB. Free memory was 54.3MB in the beginning and 67.6MB in the end (delta: -13.3MB). Peak memory consumption was 15.3MB. Max. memory is 16.1GB. [2024-09-17 19:40:30,418 INFO L158 Benchmark]: Referee took 431.38ms. Allocated memory is still 92.3MB. Free memory was 67.6MB in the beginning and 37.2MB in the end (delta: 30.4MB). Peak memory consumption was 34.4MB. Max. memory is 16.1GB. [2024-09-17 19:40:30,420 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.referee: - AnnotationCheckResult: Annotation is not a valid proof of correctness. [2024-09-17 19:40:30,423 WARN L945 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #t~post3 [2024-09-17 19:40:30,429 WARN L945 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #t~post3 Annotation is not a valid proof of correctness. Annotation is not valid for all loop-free paths from loop head at line 36 to loop head at line 40. One counterexample starts in \old(counter)=0, A=0, b=1, counter=2147483647, q=0, r=0 and ends in \old(counter)=0, A=0, b=1, counter=-2147483648, q=0, r=0. Annotation is valid for all loop-free paths from entry of procedure ULTIMATE.start to check that procedure precondition always holds at line -1. Annotation is valid for all loop-free paths from loop head at line 36 to loop head at line 36. Annotation is valid for all loop-free paths from entry of procedure main to check that procedure precondition always holds at line 31. Annotation is valid for all loop-free paths from entry of procedure assume_abort_if_not to exit of procedure assume_abort_if_not. Annotation is valid for all loop-free paths from loop head at line 40 to check that procedure precondition always holds at line 41. Annotation is valid for all loop-free paths from loop head at line 40 to check that procedure precondition always holds at line 40. Annotation is valid for all loop-free paths from entry of procedure main to loop head at line 36. 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 check that procedure precondition always holds at line 31. Annotation is valid for all loop-free paths from loop head at line 40 to exit of procedure main. 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 20. Annotation is valid for all loop-free paths from loop head at line 40 to loop head at line 40. * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Witness Parser took 0.18ms. Allocated memory is still 54.5MB. Free memory was 35.4MB in the beginning and 35.4MB in the end (delta: 73.4kB). There was no memory consumed. Max. memory is 16.1GB. * CDTParser took 0.12ms. Allocated memory is still 54.5MB. Free memory was 33.3MB in the beginning and 33.2MB in the end (delta: 73.5kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 256.35ms. Allocated memory is still 92.3MB. Free memory was 71.0MB in the beginning and 56.7MB in the end (delta: 14.3MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Preprocessor took 46.58ms. Allocated memory is still 92.3MB. Free memory was 56.7MB in the beginning and 54.3MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 413.63ms. Allocated memory is still 92.3MB. Free memory was 54.3MB in the beginning and 67.6MB in the end (delta: -13.3MB). Peak memory consumption was 15.3MB. Max. memory is 16.1GB. * Referee took 431.38ms. Allocated memory is still 92.3MB. Free memory was 67.6MB in the beginning and 37.2MB in the end (delta: 30.4MB). Peak memory consumption was 34.4MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #t~post3 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #t~post3 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #t~post3 RESULT: Ultimate proved your program to be incorrect! [2024-09-17 19:40:30,452 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 Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE