./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/nla-digbench-scaling/divbin_unwindbound2.i --full-output --witness-type correctness_witness --validate ../results/automizer-verification-files/SV-COMP24_unreach-call/divbin_unwindbound2.yml/witness-2.1.yml --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version fb1cb0b9 Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/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_unwindbound2.i ../results/automizer-verification-files/SV-COMP24_unreach-call/divbin_unwindbound2.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-fb1cb0b-m [2024-09-25 11:47:19,416 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-25 11:47:19,486 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Default.epf [2024-09-25 11:47:19,490 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-25 11:47:19,491 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-25 11:47:19,522 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-25 11:47:19,523 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-25 11:47:19,524 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-25 11:47:19,524 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-25 11:47:19,525 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-25 11:47:19,525 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-25 11:47:19,525 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-25 11:47:19,526 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-25 11:47:19,526 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-25 11:47:19,527 INFO L153 SettingsManager]: * Use SBE=true [2024-09-25 11:47:19,527 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-25 11:47:19,528 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-25 11:47:19,528 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-25 11:47:19,528 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-09-25 11:47:19,529 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-25 11:47:19,529 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-25 11:47:19,530 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-25 11:47:19,530 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-25 11:47:19,530 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-25 11:47:19,531 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-25 11:47:19,531 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-25 11:47:19,532 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-25 11:47:19,532 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-25 11:47:19,532 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-25 11:47:19,533 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-25 11:47:19,533 INFO L153 SettingsManager]: * Future-live optimization=false [2024-09-25 11:47:19,533 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-25 11:47:19,533 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-25 11:47:19,534 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-25 11:47:19,534 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-25 11:47:19,534 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-25 11:47:19,535 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-25 11:47:19,535 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-09-25 11:47:19,535 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-09-25 11:47:19,536 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-25 11:47:19,536 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-25 11:47:19,536 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-25 11:47:19,537 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-25 11:47:19,537 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None [2024-09-25 11:47:19,762 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-25 11:47:19,785 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-25 11:47:19,788 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-25 11:47:19,789 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-25 11:47:19,789 INFO L274 PluginConnector]: CDTParser initialized [2024-09-25 11:47:19,790 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/nla-digbench-scaling/divbin_unwindbound2.i [2024-09-25 11:47:21,241 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-25 11:47:21,409 INFO L384 CDTParser]: Found 1 translation units. [2024-09-25 11:47:21,409 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench-scaling/divbin_unwindbound2.i [2024-09-25 11:47:21,420 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/2b29326f9/f83d16348fd14fd2ad4ee217bbad82ec/FLAG77b741d59 [2024-09-25 11:47:21,437 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/2b29326f9/f83d16348fd14fd2ad4ee217bbad82ec [2024-09-25 11:47:21,440 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-25 11:47:21,442 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-25 11:47:21,443 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/automizer-verification-files/SV-COMP24_unreach-call/divbin_unwindbound2.yml/witness-2.1.yml [2024-09-25 11:47:21,496 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-25 11:47:21,497 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-09-25 11:47:21,499 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-25 11:47:21,499 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-25 11:47:21,504 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-25 11:47:21,504 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 11:47:21" (1/2) ... [2024-09-25 11:47:21,505 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6a67b723 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 11:47:21, skipping insertion in model container [2024-09-25 11:47:21,507 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 11:47:21" (1/2) ... [2024-09-25 11:47:21,508 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@300544a0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 11:47:21, skipping insertion in model container [2024-09-25 11:47:21,509 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 25.09 11:47:21" (2/2) ... [2024-09-25 11:47:21,509 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6a67b723 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 25.09 11:47:21, skipping insertion in model container [2024-09-25 11:47:21,509 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 25.09 11:47:21" (2/2) ... [2024-09-25 11:47:21,521 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-25 11:47:21,524 INFO L1541 ArrayList]: Loop invariant at [L40-L49] (((((2 <= counter) && (A == r)) && (q == 0)) || (((A == r) && (B == b)) && (q == 0))) && (\old(counter) == 0)) [2024-09-25 11:47:21,525 INFO L1541 ArrayList]: Loop invariant at [L36-L39] ((\old(counter) == 0) && (((((2 <= counter) && (A == r)) && (q == 0)) || ((((A == r) && (counter == 0)) && (B == b)) && (q == 0))) || (((A == r) && (q == 0)) && (counter == 1)))) [2024-09-25 11:47:21,525 INFO L1541 ArrayList]: Function contract at [L15]: requires (counter == 0), ensures ((counter == \old(counter)) && (counter == 0)) [2024-09-25 11:47:21,525 INFO L1541 ArrayList]: Function contract at [L18]: requires (1 <= cond), ensures ((counter == \old(counter)) && (1 <= cond)) [2024-09-25 11:47:21,525 INFO L1541 ArrayList]: Function contract at [L26]: requires (counter == 0), ensures (\old(counter) == 0) [2024-09-25 11:47:21,544 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-25 11:47:21,693 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_unwindbound2.i[950,963] [2024-09-25 11:47:21,714 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-25 11:47:21,721 INFO L200 MainTranslator]: Completed pre-run Start Parsing Global Start Parsing Global Start Parsing Global Start Parsing Global [2024-09-25 11:47:21,751 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_unwindbound2.i[950,963] Start Parsing Global Start Parsing Global Start Parsing Local Start Parsing Local [2024-09-25 11:47:21,765 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-25 11:47:21,780 INFO L204 MainTranslator]: Completed translation [2024-09-25 11:47:21,781 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 25.09 11:47:21 WrapperNode [2024-09-25 11:47:21,781 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-25 11:47:21,782 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-25 11:47:21,782 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-25 11:47:21,782 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-25 11:47:21,795 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 25.09 11:47:21" (1/1) ... [2024-09-25 11:47:21,796 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 25.09 11:47:21" (1/1) ... [2024-09-25 11:47:21,802 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 25.09 11:47:21" (1/1) ... [2024-09-25 11:47:21,812 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 [2024-09-25 11:47:21,812 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 25.09 11:47:21" (1/1) ... [2024-09-25 11:47:21,812 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 25.09 11:47:21" (1/1) ... [2024-09-25 11:47:21,816 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 25.09 11:47:21" (1/1) ... [2024-09-25 11:47:21,823 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 25.09 11:47:21" (1/1) ... [2024-09-25 11:47:21,824 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 25.09 11:47:21" (1/1) ... [2024-09-25 11:47:21,825 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 25.09 11:47:21" (1/1) ... [2024-09-25 11:47:21,831 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-25 11:47:21,832 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-25 11:47:21,832 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-25 11:47:21,832 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-25 11:47:21,833 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 25.09 11:47:21" (1/1) ... [2024-09-25 11:47:21,843 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-25 11:47:21,852 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-09-25 11:47:21,876 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) [2024-09-25 11:47:21,879 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 [2024-09-25 11:47:21,924 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-09-25 11:47:21,925 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-25 11:47:21,926 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-09-25 11:47:21,926 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-09-25 11:47:21,926 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-09-25 11:47:21,927 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-09-25 11:47:21,927 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-09-25 11:47:21,927 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-09-25 11:47:21,927 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_perror_fail [2024-09-25 11:47:21,927 INFO L130 BoogieDeclarations]: Found specification of procedure __assert [2024-09-25 11:47:21,928 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-09-25 11:47:21,928 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-25 11:47:21,928 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2024-09-25 11:47:21,928 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-09-25 11:47:21,928 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-09-25 11:47:21,928 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-09-25 11:47:21,929 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-09-25 11:47:21,929 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-09-25 11:47:21,929 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-25 11:47:21,929 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-09-25 11:47:21,930 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-09-25 11:47:21,930 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-09-25 11:47:22,034 INFO L241 CfgBuilder]: Building ICFG [2024-09-25 11:47:22,037 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-25 11:47:22,062 WARN L782 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-25 11:47:22,107 WARN L782 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-25 11:47:22,248 WARN L782 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-25 11:47:22,262 INFO L290 CfgBuilder]: Performing block encoding [2024-09-25 11:47:22,282 INFO L312 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-25 11:47:22,282 INFO L317 CfgBuilder]: Removed 2 assume(true) statements. [2024-09-25 11:47:22,283 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 11:47:22 BoogieIcfgContainer [2024-09-25 11:47:22,283 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-25 11:47:22,283 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-09-25 11:47:22,283 INFO L270 PluginConnector]: Initializing Referee... [2024-09-25 11:47:22,284 INFO L274 PluginConnector]: Referee initialized [2024-09-25 11:47:22,284 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 25.09 11:47:21" (1/4) ... [2024-09-25 11:47:22,285 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@7925f54d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 25.09 11:47:22, skipping insertion in model container [2024-09-25 11:47:22,285 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 25.09 11:47:21" (2/4) ... [2024-09-25 11:47:22,285 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@7925f54d and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 25.09 11:47:22, skipping insertion in model container [2024-09-25 11:47:22,285 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 25.09 11:47:21" (3/4) ... [2024-09-25 11:47:22,285 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@7925f54d and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 25.09 11:47:22, skipping insertion in model container [2024-09-25 11:47:22,285 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 11:47:22" (4/4) ... [2024-09-25 11:47:22,287 INFO L79 RefereeObserver]: Analyzing ICFG divbin_unwindbound2.i [2024-09-25 11:47:22,291 INFO L113 InvariantChecker]: Found 2 loops. [2024-09-25 11:47:22,292 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. [2024-09-25 11:47:22,292 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L45-2 to ERROR_LOC mainErr5REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 8 edges. [2024-09-25 11:47:22,293 INFO L373 InvariantChecker]: Will check inductivity from ENTRY mainENTRY to ERROR_LOC mainErr0REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 2 edges. [2024-09-25 11:47:22,293 INFO L373 InvariantChecker]: Will check inductivity from ENTRY mainENTRY to ERROR_LOC mainErr1REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 3 edges. [2024-09-25 11:47:22,294 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L45-2 to LOOP_INVARIANT_ERROR_LOC mainErr3ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 8 edges. [2024-09-25 11:47:22,294 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L36-4 to LOOP_INVARIANT_ERROR_LOC mainErr3ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 7 edges. [2024-09-25 11:47:22,294 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L45-2 to ERROR_LOC mainErr4REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 4 edges. [2024-09-25 11:47:22,295 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L45-2 to ERROR_LOC mainErr6ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 10 edges. [2024-09-25 11:47:22,297 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC ULTIMATE.startErr0REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 3 edges. [2024-09-25 11:47:22,297 INFO L373 InvariantChecker]: Will check inductivity from ENTRY mainENTRY to LOOP_INVARIANT_ERROR_LOC mainErr2ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 5 edges. [2024-09-25 11:47:22,297 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L36-4 to LOOP_INVARIANT_ERROR_LOC mainErr2ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 5 edges. [2024-09-25 11:47:22,297 INFO L373 InvariantChecker]: Will check inductivity from ENTRY __VERIFIER_assertENTRY to ERROR_LOC __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 5 edges. [2024-09-25 11:47:22,297 INFO L373 InvariantChecker]: Will check inductivity from ENTRY __VERIFIER_assertENTRY to ERROR_LOC __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 3 edges. [2024-09-25 11:47:22,298 INFO L131 InvariantChecker]: Will check 1 loop-free subgraphs from procedure entry to loop head, 3 loop-free subgraphs from loop head to error location, 3 loop-free subgraphs from loop head to loop head, 6 loop-free subgraphs from procedure entry to error location [2024-09-25 11:47:22,352 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 4 edges [2024-09-25 11:47:22,353 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 11:47:22,355 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 11:47:22,355 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 11:47:22,356 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 11:47:22,358 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:47:22,366 INFO L101 BaseMinimizeStates]: Removed 6 edges and 2 locations by large block encoding [2024-09-25 11:47:22,367 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:47:22,367 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 11:47:22,367 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 11:47:22,368 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 11:47:22,370 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 11:47:22,387 INFO L520 InvariantChecker]: The annotation(s) from entry assume_abort_if_notENTRY to error location assume_abort_if_notErr0ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-25 11:47:22,429 INFO L314 BlockEncoder]: Initial Icfg 7 locations, 8 edges [2024-09-25 11:47:22,430 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 11:47:22,430 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 11:47:22,430 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 11:47:22,434 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 11:47:22,434 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:47:22,471 INFO L101 BaseMinimizeStates]: Removed 14 edges and 5 locations by large block encoding [2024-09-25 11:47:22,472 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:47:22,472 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 11:47:22,472 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 11:47:22,473 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 11:47:22,479 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 11:47:26,531 INFO L516 InvariantChecker]: unknown inductivity: todo good error message [2024-09-25 11:47:26,551 INFO L314 BlockEncoder]: Initial Icfg 3 locations, 2 edges [2024-09-25 11:47:26,552 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 11:47:26,552 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 11:47:26,552 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 11:47:26,552 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 11:47:26,552 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:47:26,553 INFO L101 BaseMinimizeStates]: Removed 2 edges and 1 locations by large block encoding [2024-09-25 11:47:26,553 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:47:26,553 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 11:47:26,554 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 11:47:26,554 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 11:47:26,554 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 11:47:26,559 INFO L520 InvariantChecker]: The annotation(s) from entry mainENTRY to error location mainErr0REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-25 11:47:26,585 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-25 11:47:26,585 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 11:47:26,586 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 11:47:26,587 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 11:47:26,587 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 11:47:26,587 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:47:26,588 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-25 11:47:26,589 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:47:26,589 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 11:47:26,589 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 11:47:26,589 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 11:47:26,589 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 11:47:26,591 INFO L520 InvariantChecker]: The annotation(s) from entry mainENTRY to error location mainErr1REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-25 11:47:26,607 INFO L314 BlockEncoder]: Initial Icfg 8 locations, 8 edges [2024-09-25 11:47:26,607 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 11:47:26,607 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 11:47:26,607 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 11:47:26,608 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 11:47:26,608 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:47:26,637 INFO L101 BaseMinimizeStates]: Removed 14 edges and 6 locations by large block encoding [2024-09-25 11:47:26,637 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:47:26,638 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 11:47:26,638 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 11:47:26,638 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 11:47:26,646 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 11:47:26,654 INFO L520 InvariantChecker]: The annotation(s) from loop head L45-2 to loop head mainErr3ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-25 11:47:26,667 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 7 edges [2024-09-25 11:47:26,668 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 11:47:26,668 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 11:47:26,668 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 11:47:26,668 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 11:47:26,668 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:47:26,683 INFO L101 BaseMinimizeStates]: Removed 12 edges and 4 locations by large block encoding [2024-09-25 11:47:26,684 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:47:26,684 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 11:47:26,684 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 11:47:26,684 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 11:47:26,687 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 11:47:26,691 INFO L520 InvariantChecker]: The annotation(s) from loop head L36-4 to loop head mainErr3ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-25 11:47:26,702 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 4 edges [2024-09-25 11:47:26,703 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 11:47:26,703 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 11:47:26,703 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 11:47:26,703 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 11:47:26,703 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:47:26,709 INFO L101 BaseMinimizeStates]: Removed 6 edges and 3 locations by large block encoding [2024-09-25 11:47:26,710 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:47:26,710 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 11:47:26,710 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 11:47:26,710 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 11:47:26,711 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 11:47:30,729 INFO L516 InvariantChecker]: unknown inductivity: todo good error message [2024-09-25 11:47:30,750 INFO L314 BlockEncoder]: Initial Icfg 9 locations, 10 edges [2024-09-25 11:47:30,751 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 11:47:30,751 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 11:47:30,751 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 11:47:30,751 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 11:47:30,752 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:47:30,769 INFO L101 BaseMinimizeStates]: Removed 22 edges and 7 locations by large block encoding [2024-09-25 11:47:30,770 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:47:30,770 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 11:47:30,770 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 11:47:30,770 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 11:47:30,771 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 11:47:30,777 INFO L520 InvariantChecker]: The annotation(s) from loop head L45-2 to error location mainErr6ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-25 11:47:30,786 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-25 11:47:30,786 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 11:47:30,786 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 11:47:30,787 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 11:47:30,787 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 11:47:30,787 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:47:30,788 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-25 11:47:30,788 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:47:30,788 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 11:47:30,789 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 11:47:30,789 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 11:47:30,789 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 11:47:30,790 INFO L520 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to error location ULTIMATE.startErr0REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-25 11:47:30,802 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 5 edges [2024-09-25 11:47:30,803 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 11:47:30,803 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 11:47:30,803 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 11:47:30,803 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 11:47:30,803 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:47:30,810 INFO L101 BaseMinimizeStates]: Removed 8 edges and 4 locations by large block encoding [2024-09-25 11:47:30,810 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:47:30,810 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 11:47:30,810 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 11:47:30,810 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 11:47:30,810 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 11:47:30,817 INFO L520 InvariantChecker]: The annotation(s) from entry mainENTRY to loop head mainErr2ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-25 11:47:30,825 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 5 edges [2024-09-25 11:47:30,826 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 11:47:30,826 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 11:47:30,826 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 11:47:30,826 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 11:47:30,826 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:47:30,833 INFO L101 BaseMinimizeStates]: Removed 8 edges and 4 locations by large block encoding [2024-09-25 11:47:30,833 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:47:30,833 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 11:47:30,833 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 11:47:30,834 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 11:47:30,834 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 11:47:30,836 INFO L520 InvariantChecker]: The annotation(s) from loop head L36-4 to loop head mainErr2ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-25 11:47:30,843 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 5 edges [2024-09-25 11:47:30,844 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 11:47:30,844 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 11:47:30,844 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 11:47:30,844 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 11:47:30,844 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:47:30,846 INFO L101 BaseMinimizeStates]: Removed 8 edges and 3 locations by large block encoding [2024-09-25 11:47:30,846 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:47:30,846 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 11:47:30,846 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 11:47:30,846 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 11:47:30,847 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 11:47:30,848 INFO L520 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-25 11:47:30,856 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-25 11:47:30,856 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 11:47:30,856 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 11:47:30,857 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 11:47:30,857 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 11:47:30,857 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:47:30,858 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-25 11:47:30,858 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:47:30,858 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 11:47:30,858 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 11:47:30,858 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 11:47:30,858 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 11:47:30,860 INFO L520 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION is inductive. [2024-09-25 11:47:30,863 INFO L58 RefereeStarter]: Insufficient resources for checking whether annotation is a valid proof of correctness. [2024-09-25 11:47:30,863 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@7925f54d and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CFG 25.09 11:47:30, skipping insertion in model container [2024-09-25 11:47:30,863 INFO L131 PluginConnector]: ------------------------ END Referee---------------------------- [2024-09-25 11:47:30,865 INFO L158 Benchmark]: Toolchain (without parser) took 9367.09ms. Allocated memory was 146.8MB in the beginning and 190.8MB in the end (delta: 44.0MB). Free memory was 88.0MB in the beginning and 89.9MB in the end (delta: -1.9MB). Peak memory consumption was 42.8MB. Max. memory is 16.1GB. [2024-09-25 11:47:30,865 INFO L158 Benchmark]: CDTParser took 0.18ms. Allocated memory is still 146.8MB. Free memory is still 107.0MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-25 11:47:30,865 INFO L158 Benchmark]: Witness Parser took 0.10ms. Allocated memory is still 146.8MB. Free memory is still 90.0MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-25 11:47:30,866 INFO L158 Benchmark]: CACSL2BoogieTranslator took 282.82ms. Allocated memory is still 146.8MB. Free memory was 88.0MB in the beginning and 74.0MB in the end (delta: 14.0MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-09-25 11:47:30,866 INFO L158 Benchmark]: Boogie Preprocessor took 49.10ms. Allocated memory is still 146.8MB. Free memory was 74.0MB in the beginning and 71.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-09-25 11:47:30,867 INFO L158 Benchmark]: RCFGBuilder took 451.03ms. Allocated memory was 146.8MB in the beginning and 190.8MB in the end (delta: 44.0MB). Free memory was 71.8MB in the beginning and 155.9MB in the end (delta: -84.1MB). Peak memory consumption was 13.4MB. Max. memory is 16.1GB. [2024-09-25 11:47:30,867 INFO L158 Benchmark]: Referee took 8580.06ms. Allocated memory is still 190.8MB. Free memory was 155.9MB in the beginning and 89.9MB in the end (delta: 66.1MB). Peak memory consumption was 65.0MB. Max. memory is 16.1GB. [2024-09-25 11:47:30,870 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. 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 41. 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 __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 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 __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 40 to exit of procedure main. 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 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 36 to loop head at line 40. Annotation is valid for all loop-free paths from loop head at line 36 to loop head at line 36. * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18ms. Allocated memory is still 146.8MB. Free memory is still 107.0MB. There was no memory consumed. Max. memory is 16.1GB. * Witness Parser took 0.10ms. Allocated memory is still 146.8MB. Free memory is still 90.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 282.82ms. Allocated memory is still 146.8MB. Free memory was 88.0MB in the beginning and 74.0MB in the end (delta: 14.0MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Preprocessor took 49.10ms. Allocated memory is still 146.8MB. Free memory was 74.0MB in the beginning and 71.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 451.03ms. Allocated memory was 146.8MB in the beginning and 190.8MB in the end (delta: 44.0MB). Free memory was 71.8MB in the beginning and 155.9MB in the end (delta: -84.1MB). Peak memory consumption was 13.4MB. Max. memory is 16.1GB. * Referee took 8580.06ms. Allocated memory is still 190.8MB. Free memory was 155.9MB in the beginning and 89.9MB in the end (delta: 66.1MB). Peak memory consumption was 65.0MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-09-25 11:47:30,896 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/11.0.12-open/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_unwindbound2.i ../results/automizer-verification-files/SV-COMP24_unreach-call/divbin_unwindbound2.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-fb1cb0b-m [2024-09-25 11:47:33,066 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-25 11:47:33,148 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Bitvector.epf [2024-09-25 11:47:33,154 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-25 11:47:33,156 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-25 11:47:33,186 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-25 11:47:33,187 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-25 11:47:33,189 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-25 11:47:33,190 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-25 11:47:33,190 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-25 11:47:33,191 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-25 11:47:33,191 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-25 11:47:33,192 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-25 11:47:33,195 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-25 11:47:33,196 INFO L153 SettingsManager]: * Use SBE=true [2024-09-25 11:47:33,196 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-25 11:47:33,196 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-25 11:47:33,197 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-25 11:47:33,197 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-25 11:47:33,197 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-25 11:47:33,198 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-25 11:47:33,201 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-25 11:47:33,202 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-25 11:47:33,202 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-09-25 11:47:33,202 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-09-25 11:47:33,202 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-25 11:47:33,203 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-09-25 11:47:33,203 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-25 11:47:33,203 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-25 11:47:33,203 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-25 11:47:33,203 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-25 11:47:33,204 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-25 11:47:33,204 INFO L153 SettingsManager]: * Future-live optimization=false [2024-09-25 11:47:33,204 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-25 11:47:33,204 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-25 11:47:33,205 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-25 11:47:33,205 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-25 11:47:33,206 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-25 11:47:33,207 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-25 11:47:33,207 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-09-25 11:47:33,208 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-09-25 11:47:33,208 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-25 11:47:33,208 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-25 11:47:33,208 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-25 11:47:33,209 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-25 11:47:33,209 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2024-09-25 11:47:33,209 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None [2024-09-25 11:47:33,534 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-25 11:47:33,551 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-25 11:47:33,554 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-25 11:47:33,555 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-25 11:47:33,556 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-25 11:47:33,558 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/automizer-verification-files/SV-COMP24_unreach-call/divbin_unwindbound2.yml/witness-2.1.yml [2024-09-25 11:47:33,610 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-25 11:47:33,611 INFO L274 PluginConnector]: CDTParser initialized [2024-09-25 11:47:33,611 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/nla-digbench-scaling/divbin_unwindbound2.i [2024-09-25 11:47:35,273 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-25 11:47:35,475 INFO L384 CDTParser]: Found 1 translation units. [2024-09-25 11:47:35,477 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench-scaling/divbin_unwindbound2.i [2024-09-25 11:47:35,484 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/ab40bdf01/6c5dd58fc226432095dac14058cd217f/FLAG0d66a36c2 [2024-09-25 11:47:35,507 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/ab40bdf01/6c5dd58fc226432095dac14058cd217f [2024-09-25 11:47:35,508 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-25 11:47:35,509 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-09-25 11:47:35,510 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-25 11:47:35,510 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-25 11:47:35,517 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-25 11:47:35,518 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 25.09 11:47:33" (1/2) ... [2024-09-25 11:47:35,521 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@43eeedd0 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 25.09 11:47:35, skipping insertion in model container [2024-09-25 11:47:35,521 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 25.09 11:47:33" (1/2) ... [2024-09-25 11:47:35,522 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@29ae520b and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 25.09 11:47:35, skipping insertion in model container [2024-09-25 11:47:35,522 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 11:47:35" (2/2) ... [2024-09-25 11:47:35,523 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@43eeedd0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 11:47:35, skipping insertion in model container [2024-09-25 11:47:35,523 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 11:47:35" (2/2) ... [2024-09-25 11:47:35,538 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-25 11:47:35,539 INFO L1541 ArrayList]: Loop invariant at [L40-L49] (((((2 <= counter) && (A == r)) && (q == 0)) || (((A == r) && (B == b)) && (q == 0))) && (\old(counter) == 0)) [2024-09-25 11:47:35,539 INFO L1541 ArrayList]: Loop invariant at [L36-L39] ((\old(counter) == 0) && (((((2 <= counter) && (A == r)) && (q == 0)) || ((((A == r) && (counter == 0)) && (B == b)) && (q == 0))) || (((A == r) && (q == 0)) && (counter == 1)))) [2024-09-25 11:47:35,539 INFO L1541 ArrayList]: Function contract at [L26]: requires (counter == 0), ensures (\old(counter) == 0) [2024-09-25 11:47:35,539 INFO L1541 ArrayList]: Function contract at [L18]: requires (1 <= cond), ensures ((counter == \old(counter)) && (1 <= cond)) [2024-09-25 11:47:35,539 INFO L1541 ArrayList]: Function contract at [L15]: requires (counter == 0), ensures ((counter == \old(counter)) && (counter == 0)) [2024-09-25 11:47:35,560 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-25 11:47:35,723 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_unwindbound2.i[950,963] [2024-09-25 11:47:35,740 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-25 11:47:35,751 INFO L200 MainTranslator]: Completed pre-run Start Parsing Global Start Parsing Global Start Parsing Global Start Parsing Global [2024-09-25 11:47:35,790 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_unwindbound2.i[950,963] Start Parsing Global Start Parsing Global Start Parsing Local Start Parsing Local [2024-09-25 11:47:35,808 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-25 11:47:35,830 INFO L204 MainTranslator]: Completed translation [2024-09-25 11:47:35,831 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 11:47:35 WrapperNode [2024-09-25 11:47:35,831 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-25 11:47:35,832 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-25 11:47:35,832 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-25 11:47:35,833 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-25 11:47:35,844 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 11:47:35" (1/1) ... [2024-09-25 11:47:35,844 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 11:47:35" (1/1) ... [2024-09-25 11:47:35,856 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 11:47:35" (1/1) ... [2024-09-25 11:47:35,869 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 [2024-09-25 11:47:35,872 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 11:47:35" (1/1) ... [2024-09-25 11:47:35,872 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 11:47:35" (1/1) ... [2024-09-25 11:47:35,879 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 11:47:35" (1/1) ... [2024-09-25 11:47:35,886 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 11:47:35" (1/1) ... [2024-09-25 11:47:35,888 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 11:47:35" (1/1) ... [2024-09-25 11:47:35,892 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 11:47:35" (1/1) ... [2024-09-25 11:47:35,894 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-25 11:47:35,895 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-25 11:47:35,895 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-25 11:47:35,897 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-25 11:47:35,898 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 11:47:35" (1/1) ... [2024-09-25 11:47:35,903 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-25 11:47:35,910 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-09-25 11:47:35,923 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) [2024-09-25 11:47:35,925 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 [2024-09-25 11:47:35,971 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-09-25 11:47:35,971 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-25 11:47:35,971 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-09-25 11:47:35,971 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-09-25 11:47:35,971 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-09-25 11:47:35,971 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-09-25 11:47:35,972 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-09-25 11:47:35,972 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-09-25 11:47:35,972 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_perror_fail [2024-09-25 11:47:35,972 INFO L130 BoogieDeclarations]: Found specification of procedure __assert [2024-09-25 11:47:35,972 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-09-25 11:47:35,972 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-25 11:47:35,973 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2024-09-25 11:47:35,973 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-09-25 11:47:35,973 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-09-25 11:47:35,974 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-09-25 11:47:35,974 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-09-25 11:47:35,974 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-09-25 11:47:35,975 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-25 11:47:35,975 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2024-09-25 11:47:35,976 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2024-09-25 11:47:35,976 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-09-25 11:47:36,069 INFO L241 CfgBuilder]: Building ICFG [2024-09-25 11:47:36,071 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-25 11:47:36,097 WARN L782 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-25 11:47:36,129 WARN L782 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-25 11:47:36,343 WARN L782 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-25 11:47:36,358 INFO L290 CfgBuilder]: Performing block encoding [2024-09-25 11:47:36,399 INFO L312 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-25 11:47:36,399 INFO L317 CfgBuilder]: Removed 2 assume(true) statements. [2024-09-25 11:47:36,400 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 11:47:36 BoogieIcfgContainer [2024-09-25 11:47:36,400 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-25 11:47:36,400 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-09-25 11:47:36,400 INFO L270 PluginConnector]: Initializing Referee... [2024-09-25 11:47:36,401 INFO L274 PluginConnector]: Referee initialized [2024-09-25 11:47:36,403 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 25.09 11:47:33" (1/4) ... [2024-09-25 11:47:36,404 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@643bbd93 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 25.09 11:47:36, skipping insertion in model container [2024-09-25 11:47:36,404 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 25.09 11:47:35" (2/4) ... [2024-09-25 11:47:36,405 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@643bbd93 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 25.09 11:47:36, skipping insertion in model container [2024-09-25 11:47:36,405 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 11:47:35" (3/4) ... [2024-09-25 11:47:36,405 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@643bbd93 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 25.09 11:47:36, skipping insertion in model container [2024-09-25 11:47:36,406 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 11:47:36" (4/4) ... [2024-09-25 11:47:36,407 INFO L79 RefereeObserver]: Analyzing ICFG divbin_unwindbound2.i [2024-09-25 11:47:36,410 INFO L113 InvariantChecker]: Found 2 loops. [2024-09-25 11:47:36,411 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. [2024-09-25 11:47:36,412 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L45-2 to ERROR_LOC mainErr5REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 8 edges. [2024-09-25 11:47:36,412 INFO L373 InvariantChecker]: Will check inductivity from ENTRY mainENTRY to ERROR_LOC mainErr0REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 2 edges. [2024-09-25 11:47:36,412 INFO L373 InvariantChecker]: Will check inductivity from ENTRY mainENTRY to ERROR_LOC mainErr1REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 3 edges. [2024-09-25 11:47:36,413 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L45-2 to LOOP_INVARIANT_ERROR_LOC mainErr3ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 8 edges. [2024-09-25 11:47:36,413 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L36-4 to LOOP_INVARIANT_ERROR_LOC mainErr3ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 7 edges. [2024-09-25 11:47:36,413 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L45-2 to ERROR_LOC mainErr4REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 4 edges. [2024-09-25 11:47:36,413 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L45-2 to ERROR_LOC mainErr6ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 10 edges. [2024-09-25 11:47:36,414 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC ULTIMATE.startErr0REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 3 edges. [2024-09-25 11:47:36,414 INFO L373 InvariantChecker]: Will check inductivity from ENTRY mainENTRY to LOOP_INVARIANT_ERROR_LOC mainErr2ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 5 edges. [2024-09-25 11:47:36,414 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L36-4 to LOOP_INVARIANT_ERROR_LOC mainErr2ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 5 edges. [2024-09-25 11:47:36,414 INFO L373 InvariantChecker]: Will check inductivity from ENTRY __VERIFIER_assertENTRY to ERROR_LOC __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 5 edges. [2024-09-25 11:47:36,414 INFO L373 InvariantChecker]: Will check inductivity from ENTRY __VERIFIER_assertENTRY to ERROR_LOC __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 3 edges. [2024-09-25 11:47:36,415 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 [2024-09-25 11:47:36,464 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 4 edges [2024-09-25 11:47:36,465 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 11:47:36,466 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 11:47:36,466 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 11:47:36,467 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 11:47:36,469 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:47:36,477 INFO L101 BaseMinimizeStates]: Removed 6 edges and 2 locations by large block encoding [2024-09-25 11:47:36,479 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:47:36,479 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 11:47:36,479 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 11:47:36,480 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 11:47:36,482 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 11:47:36,499 INFO L520 InvariantChecker]: The annotation(s) from entry assume_abort_if_notENTRY to error location assume_abort_if_notErr0ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-25 11:47:36,536 INFO L314 BlockEncoder]: Initial Icfg 7 locations, 8 edges [2024-09-25 11:47:36,536 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 11:47:36,536 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 11:47:36,537 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 11:47:36,540 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 11:47:36,540 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:47:36,563 INFO L101 BaseMinimizeStates]: Removed 14 edges and 5 locations by large block encoding [2024-09-25 11:47:36,564 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:47:36,564 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 11:47:36,564 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 11:47:36,564 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 11:47:36,568 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 11:47:36,587 INFO L520 InvariantChecker]: The annotation(s) from loop head L45-2 to error location mainErr5REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-25 11:47:36,613 INFO L314 BlockEncoder]: Initial Icfg 3 locations, 2 edges [2024-09-25 11:47:36,613 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 11:47:36,613 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 11:47:36,613 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 11:47:36,614 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 11:47:36,614 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:47:36,615 INFO L101 BaseMinimizeStates]: Removed 2 edges and 1 locations by large block encoding [2024-09-25 11:47:36,615 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:47:36,615 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 11:47:36,615 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 11:47:36,615 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 11:47:36,616 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 11:47:36,617 INFO L520 InvariantChecker]: The annotation(s) from entry mainENTRY to error location mainErr0REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-25 11:47:36,643 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-25 11:47:36,644 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 11:47:36,644 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 11:47:36,644 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 11:47:36,644 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 11:47:36,644 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:47:36,651 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-25 11:47:36,651 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:47:36,651 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 11:47:36,651 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 11:47:36,651 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 11:47:36,651 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 11:47:36,653 INFO L520 InvariantChecker]: The annotation(s) from entry mainENTRY to error location mainErr1REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-25 11:47:36,673 INFO L314 BlockEncoder]: Initial Icfg 8 locations, 8 edges [2024-09-25 11:47:36,673 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 11:47:36,673 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 11:47:36,673 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 11:47:36,673 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 11:47:36,673 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:47:36,699 INFO L101 BaseMinimizeStates]: Removed 14 edges and 6 locations by large block encoding [2024-09-25 11:47:36,700 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:47:36,700 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 11:47:36,700 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 11:47:36,700 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 11:47:36,710 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 11:47:36,732 INFO L520 InvariantChecker]: The annotation(s) from loop head L45-2 to loop head mainErr3ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-25 11:47:36,748 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 7 edges [2024-09-25 11:47:36,749 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 11:47:36,749 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 11:47:36,749 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 11:47:36,749 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 11:47:36,749 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:47:36,760 INFO L101 BaseMinimizeStates]: Removed 12 edges and 4 locations by large block encoding [2024-09-25 11:47:36,760 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:47:36,760 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 11:47:36,760 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 11:47:36,761 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 11:47:36,763 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 11:47:36,783 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 4 edges [2024-09-25 11:47:36,784 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 11:47:36,784 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 11:47:36,784 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 11:47:36,785 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 11:47:36,785 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:47:36,795 INFO L101 BaseMinimizeStates]: Removed 6 edges and 3 locations by large block encoding [2024-09-25 11:47:36,795 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:47:36,795 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 11:47:36,795 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 11:47:36,796 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 11:47:36,796 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 11:47:36,812 INFO L520 InvariantChecker]: The annotation(s) from loop head L45-2 to error location mainErr4REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-25 11:47:36,827 INFO L314 BlockEncoder]: Initial Icfg 9 locations, 10 edges [2024-09-25 11:47:36,827 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 11:47:36,827 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 11:47:36,828 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 11:47:36,828 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 11:47:36,828 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:47:36,849 INFO L101 BaseMinimizeStates]: Removed 22 edges and 7 locations by large block encoding [2024-09-25 11:47:36,850 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:47:36,850 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 11:47:36,850 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 11:47:36,850 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 11:47:36,851 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 11:47:36,852 INFO L520 InvariantChecker]: The annotation(s) from loop head L45-2 to error location mainErr6ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-25 11:47:36,862 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-25 11:47:36,863 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 11:47:36,863 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 11:47:36,863 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 11:47:36,863 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 11:47:36,863 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:47:36,864 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-25 11:47:36,865 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:47:36,865 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 11:47:36,865 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 11:47:36,865 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 11:47:36,865 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 11:47:36,867 INFO L520 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to error location ULTIMATE.startErr0REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-25 11:47:36,877 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 5 edges [2024-09-25 11:47:36,877 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 11:47:36,878 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 11:47:36,878 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 11:47:36,878 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 11:47:36,878 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:47:36,882 INFO L101 BaseMinimizeStates]: Removed 8 edges and 4 locations by large block encoding [2024-09-25 11:47:36,882 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:47:36,882 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 11:47:36,882 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 11:47:36,882 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 11:47:36,883 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 11:47:36,885 INFO L520 InvariantChecker]: The annotation(s) from entry mainENTRY to loop head mainErr2ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-25 11:47:36,893 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 5 edges [2024-09-25 11:47:36,893 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 11:47:36,893 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 11:47:36,894 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 11:47:36,894 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 11:47:36,894 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:47:36,908 INFO L101 BaseMinimizeStates]: Removed 8 edges and 4 locations by large block encoding [2024-09-25 11:47:36,908 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:47:36,909 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 11:47:36,909 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 11:47:36,909 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 11:47:36,909 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 11:47:36,914 INFO L520 InvariantChecker]: The annotation(s) from loop head L36-4 to loop head mainErr2ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-25 11:47:36,921 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 5 edges [2024-09-25 11:47:36,922 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 11:47:36,922 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 11:47:36,922 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 11:47:36,922 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 11:47:36,922 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:47:36,924 INFO L101 BaseMinimizeStates]: Removed 8 edges and 3 locations by large block encoding [2024-09-25 11:47:36,924 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:47:36,924 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 11:47:36,924 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 11:47:36,924 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 11:47:36,925 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 11:47:36,926 INFO L520 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-25 11:47:36,933 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-25 11:47:36,933 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 11:47:36,933 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 11:47:36,933 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 11:47:36,933 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 11:47:36,933 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:47:36,934 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-25 11:47:36,935 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:47:36,935 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 11:47:36,935 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 11:47:36,935 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 11:47:36,935 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 11:47:36,936 INFO L520 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION is inductive. [2024-09-25 11:47:36,944 INFO L58 RefereeStarter]: Annotation is not a valid proof of correctness. [2024-09-25 11:47:36,945 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@643bbd93 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee CFG 25.09 11:47:36, skipping insertion in model container [2024-09-25 11:47:36,945 INFO L131 PluginConnector]: ------------------------ END Referee---------------------------- [2024-09-25 11:47:36,946 INFO L158 Benchmark]: Toolchain (without parser) took 1436.59ms. Allocated memory was 77.6MB in the beginning and 94.4MB in the end (delta: 16.8MB). Free memory was 57.9MB in the beginning and 43.8MB in the end (delta: 14.1MB). Peak memory consumption was 32.2MB. Max. memory is 16.1GB. [2024-09-25 11:47:36,947 INFO L158 Benchmark]: Witness Parser took 0.34ms. Allocated memory is still 52.4MB. Free memory is still 29.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-25 11:47:36,947 INFO L158 Benchmark]: CDTParser took 0.15ms. Allocated memory is still 52.4MB. Free memory was 27.1MB in the beginning and 27.1MB in the end (delta: 63.1kB). There was no memory consumed. Max. memory is 16.1GB. [2024-09-25 11:47:36,948 INFO L158 Benchmark]: CACSL2BoogieTranslator took 321.64ms. Allocated memory is still 77.6MB. Free memory was 57.6MB in the beginning and 43.3MB in the end (delta: 14.4MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-09-25 11:47:36,948 INFO L158 Benchmark]: Boogie Preprocessor took 62.28ms. Allocated memory is still 77.6MB. Free memory was 43.3MB in the beginning and 40.9MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-09-25 11:47:36,949 INFO L158 Benchmark]: RCFGBuilder took 504.45ms. Allocated memory is still 77.6MB. Free memory was 40.9MB in the beginning and 46.3MB in the end (delta: -5.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-09-25 11:47:36,949 INFO L158 Benchmark]: Referee took 544.55ms. Allocated memory was 77.6MB in the beginning and 94.4MB in the end (delta: 16.8MB). Free memory was 46.3MB in the beginning and 43.8MB in the end (delta: 2.4MB). Peak memory consumption was 21.7MB. Max. memory is 16.1GB. [2024-09-25 11:47:36,951 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. 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=0, b=16, counter=2147483647, q=0, r=0 and ends in \old(counter)=0, A=0, B=0, b=16, counter=-2147483648, q=0, r=0. 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 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 loop head at line 40 to loop head at line 40. 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 ULTIMATE.start to check that procedure precondition always holds at line -1. 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 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 36 to loop head at line 36. Annotation is valid for all loop-free paths from entry of procedure assume_abort_if_not to exit of procedure assume_abort_if_not. * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Witness Parser took 0.34ms. Allocated memory is still 52.4MB. Free memory is still 29.2MB. There was no memory consumed. Max. memory is 16.1GB. * CDTParser took 0.15ms. Allocated memory is still 52.4MB. Free memory was 27.1MB in the beginning and 27.1MB in the end (delta: 63.1kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 321.64ms. Allocated memory is still 77.6MB. Free memory was 57.6MB in the beginning and 43.3MB in the end (delta: 14.4MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Preprocessor took 62.28ms. Allocated memory is still 77.6MB. Free memory was 43.3MB in the beginning and 40.9MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 504.45ms. Allocated memory is still 77.6MB. Free memory was 40.9MB in the beginning and 46.3MB in the end (delta: -5.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Referee took 544.55ms. Allocated memory was 77.6MB in the beginning and 94.4MB in the end (delta: 16.8MB). Free memory was 46.3MB in the beginning and 43.8MB in the end (delta: 2.4MB). Peak memory consumption was 21.7MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be incorrect! [2024-09-25 11:47:36,979 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