./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 a9b967e5 Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/certificate-witnesses-artifact/referee/data/config -Xmx15G -Xms4m -jar /storage/repos/certificate-witnesses-artifact/referee/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/certificate-witnesses-artifact/referee/data -tc /storage/repos/certificate-witnesses-artifact/referee/config/RefereeReachWitnessValidation.xml -i ../sv-benchmarks/c/nla-digbench-scaling/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-dev-a9b967e-m [2024-09-12 16:49:46,821 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-12 16:49:46,887 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Default.epf [2024-09-12 16:49:46,893 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-12 16:49:46,894 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-12 16:49:46,915 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-12 16:49:46,916 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-12 16:49:46,916 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-12 16:49:46,917 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-12 16:49:46,917 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-12 16:49:46,918 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-12 16:49:46,918 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-12 16:49:46,919 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-12 16:49:46,919 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-12 16:49:46,920 INFO L153 SettingsManager]: * Use SBE=true [2024-09-12 16:49:46,920 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-12 16:49:46,921 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-12 16:49:46,922 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-12 16:49:46,924 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-09-12 16:49:46,925 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-12 16:49:46,925 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-12 16:49:46,925 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-12 16:49:46,926 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-12 16:49:46,926 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-12 16:49:46,926 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-12 16:49:46,926 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-12 16:49:46,926 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-12 16:49:46,927 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-12 16:49:46,927 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-12 16:49:46,927 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-12 16:49:46,927 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-12 16:49:46,928 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-12 16:49:46,928 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-12 16:49:46,928 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-12 16:49:46,928 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-12 16:49:46,929 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-12 16:49:46,929 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-09-12 16:49:46,932 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-09-12 16:49:46,932 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-12 16:49:46,932 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-12 16:49:46,932 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-12 16:49:46,933 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-12 16:49:46,933 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None [2024-09-12 16:49:47,180 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-12 16:49:47,200 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-12 16:49:47,204 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-12 16:49:47,205 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-12 16:49:47,205 INFO L274 PluginConnector]: CDTParser initialized [2024-09-12 16:49:47,207 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/nla-digbench-scaling/divbin_unwindbound2.i [2024-09-12 16:49:48,639 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-12 16:49:48,822 INFO L384 CDTParser]: Found 1 translation units. [2024-09-12 16:49:48,822 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench-scaling/divbin_unwindbound2.i [2024-09-12 16:49:48,829 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/4f673428f/5752d6b7c7054211b21e22837f0a7c42/FLAG3aeb2a19d [2024-09-12 16:49:48,840 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/4f673428f/5752d6b7c7054211b21e22837f0a7c42 [2024-09-12 16:49:48,842 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-12 16:49:48,843 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-12 16:49:48,843 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/automizer-verification-files/SV-COMP24_unreach-call/divbin_unwindbound2.yml/witness-2.1.yml [2024-09-12 16:49:48,895 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-12 16:49:48,896 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-09-12 16:49:48,899 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-12 16:49:48,899 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-12 16:49:48,903 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-12 16:49:48,904 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.09 04:49:48" (1/2) ... [2024-09-12 16:49:48,906 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@77804a1d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.09 04:49:48, skipping insertion in model container [2024-09-12 16:49:48,906 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.09 04:49:48" (1/2) ... [2024-09-12 16:49:48,908 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@40b8ed14 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.09 04:49:48, skipping insertion in model container [2024-09-12 16:49:48,908 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 12.09 04:49:48" (2/2) ... [2024-09-12 16:49:48,909 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@77804a1d and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 12.09 04:49:48, skipping insertion in model container [2024-09-12 16:49:48,909 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 12.09 04:49:48" (2/2) ... [2024-09-12 16:49:48,919 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-12 16:49:48,920 INFO L1541 ArrayList]: Loop invariant at [L36-L39] ((((((2 <= counter) && (A == r)) && (q == 0)) || (((((b + ((B / 4294967296) * 4294967296)) == (B + ((b / 4294967296) * 4294967296))) && (A == r)) && (counter == 0)) && (q == 0))) || (((A == r) && (q == 0)) && (counter == 1))) && (\old(counter) == 0)) [2024-09-12 16:49:48,920 INFO L1541 ArrayList]: Loop invariant at [L40-L49] (((((2 <= counter) && (A == r)) && (q == 0)) || ((((b + ((B / 4294967296) * 4294967296)) == (B + ((b / 4294967296) * 4294967296))) && (A == r)) && (q == 0))) && (\old(counter) == 0)) [2024-09-12 16:49:48,920 INFO L1541 ArrayList]: Function contract at [L18]: requires (1 <= \old(cond)), ensures (1 <= \old(cond)) [2024-09-12 16:49:48,921 INFO L1541 ArrayList]: Function contract at [L15]: requires (counter == 0), ensures (counter == 0) [2024-09-12 16:49:48,921 INFO L1541 ArrayList]: Function contract at [L26]: requires (counter == 0), ensures (\old(counter) == 0) [2024-09-12 16:49:48,939 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-12 16:49:49,111 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench-scaling/divbin_unwindbound2.i[950,963] [2024-09-12 16:49:49,141 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-12 16:49:49,154 INFO L200 MainTranslator]: Completed pre-run Start Parsing Global Start Parsing Global Start Parsing Global Start Parsing Global [2024-09-12 16:49:49,198 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench-scaling/divbin_unwindbound2.i[950,963] Start Parsing Global Start Parsing Global Start Parsing Local Start Parsing Local [2024-09-12 16:49:49,219 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-12 16:49:49,240 INFO L204 MainTranslator]: Completed translation [2024-09-12 16:49:49,241 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 12.09 04:49:49 WrapperNode [2024-09-12 16:49:49,241 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-12 16:49:49,242 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-12 16:49:49,242 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-12 16:49:49,243 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-12 16:49:49,255 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 12.09 04:49:49" (1/1) ... [2024-09-12 16:49:49,256 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 12.09 04:49:49" (1/1) ... [2024-09-12 16:49:49,263 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 12.09 04:49:49" (1/1) ... [2024-09-12 16:49:49,275 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 [2024-09-12 16:49:49,276 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 12.09 04:49:49" (1/1) ... [2024-09-12 16:49:49,276 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 12.09 04:49:49" (1/1) ... [2024-09-12 16:49:49,281 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 12.09 04:49:49" (1/1) ... [2024-09-12 16:49:49,285 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 12.09 04:49:49" (1/1) ... [2024-09-12 16:49:49,286 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 12.09 04:49:49" (1/1) ... [2024-09-12 16:49:49,291 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 12.09 04:49:49" (1/1) ... [2024-09-12 16:49:49,293 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-12 16:49:49,294 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-12 16:49:49,294 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-12 16:49:49,294 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-12 16:49:49,297 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 12.09 04:49:49" (1/1) ... [2024-09-12 16:49:49,303 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-12 16:49:49,311 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-09-12 16:49:49,325 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) [2024-09-12 16:49:49,327 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 [2024-09-12 16:49:49,362 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-09-12 16:49:49,363 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-12 16:49:49,363 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-09-12 16:49:49,363 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-09-12 16:49:49,363 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-09-12 16:49:49,363 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-09-12 16:49:49,364 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-09-12 16:49:49,364 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-09-12 16:49:49,364 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_perror_fail [2024-09-12 16:49:49,364 INFO L130 BoogieDeclarations]: Found specification of procedure __assert [2024-09-12 16:49:49,364 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-09-12 16:49:49,364 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-12 16:49:49,365 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2024-09-12 16:49:49,365 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-09-12 16:49:49,365 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-09-12 16:49:49,365 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-09-12 16:49:49,365 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-09-12 16:49:49,365 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-09-12 16:49:49,365 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-12 16:49:49,366 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-09-12 16:49:49,366 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-09-12 16:49:49,366 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-09-12 16:49:49,431 INFO L242 CfgBuilder]: Building ICFG [2024-09-12 16:49:49,436 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-12 16:49:49,457 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-12 16:49:49,481 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-12 16:49:49,642 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-12 16:49:49,685 INFO L? ?]: Removed 27 outVars from TransFormulas that were not future-live. [2024-09-12 16:49:49,685 INFO L291 CfgBuilder]: Performing block encoding [2024-09-12 16:49:49,710 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-12 16:49:49,710 INFO L318 CfgBuilder]: Removed 2 assume(true) statements. [2024-09-12 16:49:49,711 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.09 04:49:49 BoogieIcfgContainer [2024-09-12 16:49:49,711 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-12 16:49:49,712 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-09-12 16:49:49,712 INFO L270 PluginConnector]: Initializing Referee... [2024-09-12 16:49:49,713 INFO L274 PluginConnector]: Referee initialized [2024-09-12 16:49:49,713 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 12.09 04:49:48" (1/4) ... [2024-09-12 16:49:49,713 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@cf56feb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 12.09 04:49:49, skipping insertion in model container [2024-09-12 16:49:49,714 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 12.09 04:49:48" (2/4) ... [2024-09-12 16:49:49,714 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@cf56feb and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 12.09 04:49:49, skipping insertion in model container [2024-09-12 16:49:49,714 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 12.09 04:49:49" (3/4) ... [2024-09-12 16:49:49,714 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@cf56feb and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 12.09 04:49:49, skipping insertion in model container [2024-09-12 16:49:49,714 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.09 04:49:49" (4/4) ... [2024-09-12 16:49:49,716 INFO L79 RefereeObserver]: Analyzing ICFG divbin_unwindbound2.i [2024-09-12 16:49:49,719 INFO L112 InvariantChecker]: Found 2 loops. [2024-09-12 16:49:49,720 INFO L367 InvariantChecker]: Will check inductivity from ENTRY assume_abort_if_notENTRY to ERROR_LOC assume_abort_if_notErr0ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 4 edges. [2024-09-12 16:49:49,720 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L45-2 to ERROR_LOC mainErr5REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 8 edges. [2024-09-12 16:49:49,720 INFO L367 InvariantChecker]: Will check inductivity from ENTRY mainENTRY to ERROR_LOC mainErr0REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 2 edges. [2024-09-12 16:49:49,720 INFO L367 InvariantChecker]: Will check inductivity from ENTRY mainENTRY to ERROR_LOC mainErr1REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 3 edges. [2024-09-12 16:49:49,721 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L45-2 to LOOP_INVARIANT_ERROR_LOC mainErr3ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 8 edges. [2024-09-12 16:49:49,721 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L36-4 to LOOP_INVARIANT_ERROR_LOC mainErr3ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 7 edges. [2024-09-12 16:49:49,721 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L45-2 to ERROR_LOC mainErr4REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 4 edges. [2024-09-12 16:49:49,721 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L45-2 to ERROR_LOC mainErr6ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 10 edges. [2024-09-12 16:49:49,721 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC ULTIMATE.startErr0REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 3 edges. [2024-09-12 16:49:49,721 INFO L367 InvariantChecker]: Will check inductivity from ENTRY mainENTRY to LOOP_INVARIANT_ERROR_LOC mainErr2ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 5 edges. [2024-09-12 16:49:49,722 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L36-4 to LOOP_INVARIANT_ERROR_LOC mainErr2ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 5 edges. [2024-09-12 16:49:49,722 INFO L367 InvariantChecker]: Will check inductivity from ENTRY __VERIFIER_assertENTRY to ERROR_LOC __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 5 edges. [2024-09-12 16:49:49,722 INFO L367 InvariantChecker]: Will check inductivity from ENTRY __VERIFIER_assertENTRY to ERROR_LOC __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 3 edges. [2024-09-12 16:49:49,722 INFO L130 InvariantChecker]: Will check 6 loop-free subgraphs from procedure entry to error location, 3 loop-free subgraphs from loop head to error location, 3 loop-free subgraphs from loop head to loop head, 1 loop-free subgraphs from procedure entry to loop head [2024-09-12 16:49:49,769 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 4 edges [2024-09-12 16:49:49,770 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-12 16:49:49,771 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-12 16:49:49,772 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-12 16:49:49,773 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-12 16:49:49,775 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 16:49:49,786 INFO L101 BaseMinimizeStates]: Removed 6 edges and 2 locations by large block encoding [2024-09-12 16:49:49,788 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 16:49:49,788 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-12 16:49:49,788 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-12 16:49:49,789 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-12 16:49:49,791 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-12 16:49:49,811 INFO L514 InvariantChecker]: The annotation(s) from entry assume_abort_if_notENTRY to error location assume_abort_if_notErr0ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-12 16:49:49,852 INFO L314 BlockEncoder]: Initial Icfg 7 locations, 8 edges [2024-09-12 16:49:49,853 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-12 16:49:49,854 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-12 16:49:49,854 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-12 16:49:49,854 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-12 16:49:49,855 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 16:49:49,900 INFO L101 BaseMinimizeStates]: Removed 14 edges and 5 locations by large block encoding [2024-09-12 16:49:49,901 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 16:49:49,901 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-12 16:49:49,902 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-12 16:49:49,902 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-12 16:49:49,911 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-12 16:49:53,915 INFO L510 InvariantChecker]: unknown inductivity: todo good error message [2024-09-12 16:49:53,941 INFO L314 BlockEncoder]: Initial Icfg 3 locations, 2 edges [2024-09-12 16:49:53,942 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-12 16:49:53,942 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-12 16:49:53,942 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-12 16:49:53,942 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-12 16:49:53,942 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 16:49:53,943 INFO L101 BaseMinimizeStates]: Removed 2 edges and 1 locations by large block encoding [2024-09-12 16:49:53,943 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 16:49:53,943 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-12 16:49:53,944 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-12 16:49:53,944 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-12 16:49:53,944 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-12 16:49:53,948 INFO L514 InvariantChecker]: The annotation(s) from entry mainENTRY to error location mainErr0REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-12 16:49:53,969 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-12 16:49:53,970 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-12 16:49:53,971 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-12 16:49:53,971 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-12 16:49:53,971 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-12 16:49:53,971 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 16:49:53,973 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-12 16:49:53,973 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 16:49:53,974 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-12 16:49:53,974 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-12 16:49:53,974 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-12 16:49:53,975 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-12 16:49:53,976 INFO L514 InvariantChecker]: The annotation(s) from entry mainENTRY to error location mainErr1REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-12 16:49:53,995 INFO L314 BlockEncoder]: Initial Icfg 8 locations, 8 edges [2024-09-12 16:49:53,995 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-12 16:49:53,996 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-12 16:49:53,996 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-12 16:49:53,996 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-12 16:49:53,996 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 16:49:54,035 INFO L101 BaseMinimizeStates]: Removed 14 edges and 6 locations by large block encoding [2024-09-12 16:49:54,035 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 16:49:54,035 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-12 16:49:54,036 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-12 16:49:54,036 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-12 16:49:54,045 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-12 16:49:54,054 INFO L514 InvariantChecker]: The annotation(s) from loop head L45-2 to loop head mainErr3ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-12 16:49:54,070 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 7 edges [2024-09-12 16:49:54,070 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-12 16:49:54,070 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-12 16:49:54,071 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-12 16:49:54,071 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-12 16:49:54,071 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 16:49:54,087 INFO L101 BaseMinimizeStates]: Removed 12 edges and 4 locations by large block encoding [2024-09-12 16:49:54,088 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 16:49:54,088 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-12 16:49:54,088 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-12 16:49:54,088 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-12 16:49:54,092 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-12 16:49:54,095 INFO L514 InvariantChecker]: The annotation(s) from loop head L36-4 to loop head mainErr3ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-12 16:49:54,105 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 4 edges [2024-09-12 16:49:54,105 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-12 16:49:54,106 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-12 16:49:54,106 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-12 16:49:54,106 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-12 16:49:54,106 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 16:49:54,112 INFO L101 BaseMinimizeStates]: Removed 6 edges and 3 locations by large block encoding [2024-09-12 16:49:54,112 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 16:49:54,113 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-12 16:49:54,113 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-12 16:49:54,113 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-12 16:49:54,113 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-12 16:49:58,119 INFO L510 InvariantChecker]: unknown inductivity: todo good error message [2024-09-12 16:49:58,139 INFO L314 BlockEncoder]: Initial Icfg 9 locations, 10 edges [2024-09-12 16:49:58,142 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-12 16:49:58,142 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-12 16:49:58,142 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-12 16:49:58,142 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-12 16:49:58,142 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 16:49:58,169 INFO L101 BaseMinimizeStates]: Removed 22 edges and 7 locations by large block encoding [2024-09-12 16:49:58,170 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 16:49:58,170 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-12 16:49:58,170 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-12 16:49:58,171 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-12 16:49:58,172 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-12 16:49:58,179 INFO L514 InvariantChecker]: The annotation(s) from loop head L45-2 to error location mainErr6ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-12 16:49:58,190 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-12 16:49:58,190 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-12 16:49:58,190 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-12 16:49:58,191 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-12 16:49:58,191 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-12 16:49:58,191 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 16:49:58,192 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-12 16:49:58,192 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 16:49:58,192 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-12 16:49:58,193 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-12 16:49:58,193 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-12 16:49:58,193 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-12 16:49:58,194 INFO L514 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to error location ULTIMATE.startErr0REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-12 16:49:58,206 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 5 edges [2024-09-12 16:49:58,207 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-12 16:49:58,207 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-12 16:49:58,207 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-12 16:49:58,207 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-12 16:49:58,208 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 16:49:58,211 INFO L101 BaseMinimizeStates]: Removed 8 edges and 4 locations by large block encoding [2024-09-12 16:49:58,211 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 16:49:58,212 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-12 16:49:58,212 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-12 16:49:58,212 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-12 16:49:58,212 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-12 16:49:58,214 INFO L514 InvariantChecker]: The annotation(s) from entry mainENTRY to loop head mainErr2ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-12 16:49:58,223 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 5 edges [2024-09-12 16:49:58,224 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-12 16:49:58,224 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-12 16:49:58,224 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-12 16:49:58,224 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-12 16:49:58,224 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 16:49:58,238 INFO L101 BaseMinimizeStates]: Removed 8 edges and 4 locations by large block encoding [2024-09-12 16:49:58,239 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 16:49:58,239 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-12 16:49:58,239 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-12 16:49:58,239 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-12 16:49:58,240 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-12 16:49:58,243 INFO L514 InvariantChecker]: The annotation(s) from loop head L36-4 to loop head mainErr2ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-12 16:49:58,252 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 5 edges [2024-09-12 16:49:58,252 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-12 16:49:58,252 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-12 16:49:58,252 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-12 16:49:58,252 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-12 16:49:58,253 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 16:49:58,255 INFO L101 BaseMinimizeStates]: Removed 8 edges and 3 locations by large block encoding [2024-09-12 16:49:58,255 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 16:49:58,255 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-12 16:49:58,256 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-12 16:49:58,256 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-12 16:49:58,256 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-12 16:49:58,258 INFO L514 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-12 16:49:58,268 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-12 16:49:58,268 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-12 16:49:58,268 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-12 16:49:58,268 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-12 16:49:58,268 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-12 16:49:58,268 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 16:49:58,270 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-12 16:49:58,270 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 16:49:58,270 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-12 16:49:58,270 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-12 16:49:58,271 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-12 16:49:58,271 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-12 16:49:58,274 INFO L514 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION is inductive. [2024-09-12 16:49:58,277 INFO L58 RefereeStarter]: Insufficient resources for checking whether annotation is a valid proof of correctness [2024-09-12 16:49:58,277 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@cf56feb and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CFG 12.09 04:49:58, skipping insertion in model container [2024-09-12 16:49:58,277 INFO L131 PluginConnector]: ------------------------ END Referee---------------------------- [2024-09-12 16:49:58,279 INFO L158 Benchmark]: Toolchain (without parser) took 9382.13ms. Allocated memory was 130.0MB in the beginning and 192.9MB in the end (delta: 62.9MB). Free memory was 57.7MB in the beginning and 60.9MB in the end (delta: -3.2MB). Peak memory consumption was 61.4MB. Max. memory is 16.1GB. [2024-09-12 16:49:58,279 INFO L158 Benchmark]: CDTParser took 0.22ms. Allocated memory is still 130.0MB. Free memory is still 83.5MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-12 16:49:58,280 INFO L158 Benchmark]: Witness Parser took 0.15ms. Allocated memory is still 130.0MB. Free memory is still 59.8MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-12 16:49:58,280 INFO L158 Benchmark]: CACSL2BoogieTranslator took 343.09ms. Allocated memory was 130.0MB in the beginning and 192.9MB in the end (delta: 62.9MB). Free memory was 57.5MB in the beginning and 161.5MB in the end (delta: -104.0MB). Peak memory consumption was 15.2MB. Max. memory is 16.1GB. [2024-09-12 16:49:58,281 INFO L158 Benchmark]: Boogie Preprocessor took 50.86ms. Allocated memory is still 192.9MB. Free memory was 161.5MB in the beginning and 159.5MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-09-12 16:49:58,281 INFO L158 Benchmark]: RCFGBuilder took 417.51ms. Allocated memory is still 192.9MB. Free memory was 159.5MB in the beginning and 140.6MB in the end (delta: 18.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2024-09-12 16:49:58,282 INFO L158 Benchmark]: Referee took 8565.73ms. Allocated memory is still 192.9MB. Free memory was 140.6MB in the beginning and 60.9MB in the end (delta: 79.7MB). Peak memory consumption was 79.7MB. Max. memory is 16.1GB. [2024-09-12 16:49:58,284 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 41. Insufficient resources for checking whether annotation is valid for all loop-free paths from loop head at line 40 to check that procedure precondition always holds at line 40. Annotation is valid for all loop-free paths from 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 36. 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 loop head at line 40. 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 40. 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 check that procedure precondition always holds at line 31. Annotation is valid for all loop-free paths from loop head at line 40 to exit of procedure main. Annotation is valid for all loop-free paths from entry of procedure 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 exit of procedure __VERIFIER_assert. * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22ms. Allocated memory is still 130.0MB. Free memory is still 83.5MB. There was no memory consumed. Max. memory is 16.1GB. * Witness Parser took 0.15ms. Allocated memory is still 130.0MB. Free memory is still 59.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 343.09ms. Allocated memory was 130.0MB in the beginning and 192.9MB in the end (delta: 62.9MB). Free memory was 57.5MB in the beginning and 161.5MB in the end (delta: -104.0MB). Peak memory consumption was 15.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 50.86ms. Allocated memory is still 192.9MB. Free memory was 161.5MB in the beginning and 159.5MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 417.51ms. Allocated memory is still 192.9MB. Free memory was 159.5MB in the beginning and 140.6MB in the end (delta: 18.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * Referee took 8565.73ms. Allocated memory is still 192.9MB. Free memory was 140.6MB in the beginning and 60.9MB in the end (delta: 79.7MB). Peak memory consumption was 79.7MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-09-12 16:49:58,306 INFO L552 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/referee/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/certificate-witnesses-artifact/referee/data/config -Xmx15G -Xms4m -jar /storage/repos/certificate-witnesses-artifact/referee/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/certificate-witnesses-artifact/referee/data -tc /storage/repos/certificate-witnesses-artifact/referee/config/RefereeReachWitnessValidation.xml -i ../sv-benchmarks/c/nla-digbench-scaling/divbin_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-dev-a9b967e-m [2024-09-12 16:50:00,528 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-12 16:50:00,610 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Bitvector.epf [2024-09-12 16:50:00,617 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-12 16:50:00,617 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-12 16:50:00,644 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-12 16:50:00,645 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-12 16:50:00,645 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-12 16:50:00,646 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-12 16:50:00,650 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-12 16:50:00,650 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-12 16:50:00,650 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-12 16:50:00,651 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-12 16:50:00,651 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-12 16:50:00,651 INFO L153 SettingsManager]: * Use SBE=true [2024-09-12 16:50:00,652 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-12 16:50:00,652 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-12 16:50:00,652 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-12 16:50:00,652 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-12 16:50:00,653 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-12 16:50:00,653 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-12 16:50:00,657 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-12 16:50:00,657 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-12 16:50:00,657 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-09-12 16:50:00,657 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-09-12 16:50:00,657 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-12 16:50:00,658 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-09-12 16:50:00,658 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-12 16:50:00,658 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-12 16:50:00,658 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-12 16:50:00,659 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-12 16:50:00,659 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-12 16:50:00,659 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-12 16:50:00,659 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-12 16:50:00,660 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-12 16:50:00,661 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-12 16:50:00,662 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-12 16:50:00,662 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-12 16:50:00,663 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-09-12 16:50:00,663 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-09-12 16:50:00,663 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-12 16:50:00,663 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-12 16:50:00,664 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-12 16:50:00,664 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-12 16:50:00,664 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2024-09-12 16:50:00,664 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None [2024-09-12 16:50:00,974 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-12 16:50:00,994 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-12 16:50:00,997 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-12 16:50:00,998 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-12 16:50:00,999 INFO L274 PluginConnector]: CDTParser initialized [2024-09-12 16:50:01,000 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/nla-digbench-scaling/divbin_unwindbound2.i [2024-09-12 16:50:02,531 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-12 16:50:02,730 INFO L384 CDTParser]: Found 1 translation units. [2024-09-12 16:50:02,731 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench-scaling/divbin_unwindbound2.i [2024-09-12 16:50:02,741 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/621254432/556e0529824b45929baab89e1247e6f2/FLAGdd5227518 [2024-09-12 16:50:02,764 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/621254432/556e0529824b45929baab89e1247e6f2 [2024-09-12 16:50:02,767 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-12 16:50:02,768 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-12 16:50:02,770 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/automizer-verification-files/SV-COMP24_unreach-call/divbin_unwindbound2.yml/witness-2.1.yml [2024-09-12 16:50:02,830 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-12 16:50:02,832 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-09-12 16:50:02,833 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-12 16:50:02,833 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-12 16:50:02,838 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-12 16:50:02,840 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.09 04:50:02" (1/2) ... [2024-09-12 16:50:02,841 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@d6ea3d1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.09 04:50:02, skipping insertion in model container [2024-09-12 16:50:02,841 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.09 04:50:02" (1/2) ... [2024-09-12 16:50:02,843 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@44dd33f0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.09 04:50:02, skipping insertion in model container [2024-09-12 16:50:02,846 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 12.09 04:50:02" (2/2) ... [2024-09-12 16:50:02,846 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@d6ea3d1 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 12.09 04:50:02, skipping insertion in model container [2024-09-12 16:50:02,846 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 12.09 04:50:02" (2/2) ... [2024-09-12 16:50:02,858 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-12 16:50:02,862 INFO L1541 ArrayList]: Loop invariant at [L40-L49] (((((2 <= counter) && (A == r)) && (q == 0)) || ((((b + ((B / 4294967296) * 4294967296)) == (B + ((b / 4294967296) * 4294967296))) && (A == r)) && (q == 0))) && (\old(counter) == 0)) [2024-09-12 16:50:02,862 INFO L1541 ArrayList]: Loop invariant at [L36-L39] ((((((2 <= counter) && (A == r)) && (q == 0)) || (((((b + ((B / 4294967296) * 4294967296)) == (B + ((b / 4294967296) * 4294967296))) && (A == r)) && (counter == 0)) && (q == 0))) || (((A == r) && (q == 0)) && (counter == 1))) && (\old(counter) == 0)) [2024-09-12 16:50:02,863 INFO L1541 ArrayList]: Function contract at [L15]: requires (counter == 0), ensures (counter == 0) [2024-09-12 16:50:02,863 INFO L1541 ArrayList]: Function contract at [L26]: requires (counter == 0), ensures (\old(counter) == 0) [2024-09-12 16:50:02,863 INFO L1541 ArrayList]: Function contract at [L18]: requires (1 <= \old(cond)), ensures (1 <= \old(cond)) [2024-09-12 16:50:02,882 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-12 16:50:03,065 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench-scaling/divbin_unwindbound2.i[950,963] [2024-09-12 16:50:03,087 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-12 16:50:03,100 INFO L200 MainTranslator]: Completed pre-run Start Parsing Global Start Parsing Global Start Parsing Global Start Parsing Global [2024-09-12 16:50:03,138 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench-scaling/divbin_unwindbound2.i[950,963] Start Parsing Global Start Parsing Global Start Parsing Local Start Parsing Local [2024-09-12 16:50:03,154 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-12 16:50:03,172 INFO L204 MainTranslator]: Completed translation [2024-09-12 16:50:03,173 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 12.09 04:50:03 WrapperNode [2024-09-12 16:50:03,173 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-12 16:50:03,175 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-12 16:50:03,175 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-12 16:50:03,175 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-12 16:50:03,186 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 12.09 04:50:03" (1/1) ... [2024-09-12 16:50:03,187 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 12.09 04:50:03" (1/1) ... [2024-09-12 16:50:03,200 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 12.09 04:50:03" (1/1) ... [2024-09-12 16:50:03,215 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 [2024-09-12 16:50:03,219 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 12.09 04:50:03" (1/1) ... [2024-09-12 16:50:03,219 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 12.09 04:50:03" (1/1) ... [2024-09-12 16:50:03,231 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 12.09 04:50:03" (1/1) ... [2024-09-12 16:50:03,236 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 12.09 04:50:03" (1/1) ... [2024-09-12 16:50:03,237 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 12.09 04:50:03" (1/1) ... [2024-09-12 16:50:03,238 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 12.09 04:50:03" (1/1) ... [2024-09-12 16:50:03,240 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-12 16:50:03,244 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-12 16:50:03,244 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-12 16:50:03,244 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-12 16:50:03,245 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 12.09 04:50:03" (1/1) ... [2024-09-12 16:50:03,253 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-12 16:50:03,262 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-09-12 16:50:03,277 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) [2024-09-12 16:50:03,287 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 [2024-09-12 16:50:03,333 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-09-12 16:50:03,333 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-12 16:50:03,334 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-09-12 16:50:03,334 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-09-12 16:50:03,334 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-09-12 16:50:03,334 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-09-12 16:50:03,334 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-09-12 16:50:03,334 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-09-12 16:50:03,334 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_perror_fail [2024-09-12 16:50:03,334 INFO L130 BoogieDeclarations]: Found specification of procedure __assert [2024-09-12 16:50:03,334 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-09-12 16:50:03,334 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-12 16:50:03,335 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2024-09-12 16:50:03,335 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-09-12 16:50:03,335 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-09-12 16:50:03,335 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-09-12 16:50:03,335 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-09-12 16:50:03,335 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-09-12 16:50:03,336 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-12 16:50:03,337 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2024-09-12 16:50:03,337 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2024-09-12 16:50:03,337 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-09-12 16:50:03,436 INFO L242 CfgBuilder]: Building ICFG [2024-09-12 16:50:03,439 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-12 16:50:03,466 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-12 16:50:03,501 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-12 16:50:03,758 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-12 16:50:03,808 INFO L? ?]: Removed 27 outVars from TransFormulas that were not future-live. [2024-09-12 16:50:03,808 INFO L291 CfgBuilder]: Performing block encoding [2024-09-12 16:50:03,842 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-12 16:50:03,842 INFO L318 CfgBuilder]: Removed 2 assume(true) statements. [2024-09-12 16:50:03,843 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.09 04:50:03 BoogieIcfgContainer [2024-09-12 16:50:03,843 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-12 16:50:03,846 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-09-12 16:50:03,847 INFO L270 PluginConnector]: Initializing Referee... [2024-09-12 16:50:03,848 INFO L274 PluginConnector]: Referee initialized [2024-09-12 16:50:03,848 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 12.09 04:50:02" (1/4) ... [2024-09-12 16:50:03,848 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@771de218 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 12.09 04:50:03, skipping insertion in model container [2024-09-12 16:50:03,848 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 12.09 04:50:02" (2/4) ... [2024-09-12 16:50:03,849 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@771de218 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 12.09 04:50:03, skipping insertion in model container [2024-09-12 16:50:03,849 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 12.09 04:50:03" (3/4) ... [2024-09-12 16:50:03,849 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@771de218 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 12.09 04:50:03, skipping insertion in model container [2024-09-12 16:50:03,849 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.09 04:50:03" (4/4) ... [2024-09-12 16:50:03,850 INFO L79 RefereeObserver]: Analyzing ICFG divbin_unwindbound2.i [2024-09-12 16:50:03,855 INFO L112 InvariantChecker]: Found 2 loops. [2024-09-12 16:50:03,856 INFO L367 InvariantChecker]: Will check inductivity from ENTRY assume_abort_if_notENTRY to ERROR_LOC assume_abort_if_notErr0ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 4 edges. [2024-09-12 16:50:03,856 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L45-2 to ERROR_LOC mainErr5REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 8 edges. [2024-09-12 16:50:03,857 INFO L367 InvariantChecker]: Will check inductivity from ENTRY mainENTRY to ERROR_LOC mainErr0REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 2 edges. [2024-09-12 16:50:03,857 INFO L367 InvariantChecker]: Will check inductivity from ENTRY mainENTRY to ERROR_LOC mainErr1REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 3 edges. [2024-09-12 16:50:03,857 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L45-2 to LOOP_INVARIANT_ERROR_LOC mainErr3ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 8 edges. [2024-09-12 16:50:03,857 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L36-4 to LOOP_INVARIANT_ERROR_LOC mainErr3ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 7 edges. [2024-09-12 16:50:03,857 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L45-2 to ERROR_LOC mainErr4REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 4 edges. [2024-09-12 16:50:03,858 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L45-2 to ERROR_LOC mainErr6ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 10 edges. [2024-09-12 16:50:03,858 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC ULTIMATE.startErr0REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 3 edges. [2024-09-12 16:50:03,858 INFO L367 InvariantChecker]: Will check inductivity from ENTRY mainENTRY to LOOP_INVARIANT_ERROR_LOC mainErr2ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 5 edges. [2024-09-12 16:50:03,858 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L36-4 to LOOP_INVARIANT_ERROR_LOC mainErr2ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 5 edges. [2024-09-12 16:50:03,859 INFO L367 InvariantChecker]: Will check inductivity from ENTRY __VERIFIER_assertENTRY to ERROR_LOC __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 5 edges. [2024-09-12 16:50:03,859 INFO L367 InvariantChecker]: Will check inductivity from ENTRY __VERIFIER_assertENTRY to ERROR_LOC __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 3 edges. [2024-09-12 16:50:03,859 INFO L130 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 [2024-09-12 16:50:03,932 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 4 edges [2024-09-12 16:50:03,934 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-12 16:50:03,934 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-12 16:50:03,935 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-12 16:50:03,936 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-12 16:50:03,938 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 16:50:03,951 INFO L101 BaseMinimizeStates]: Removed 6 edges and 2 locations by large block encoding [2024-09-12 16:50:03,956 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 16:50:03,956 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-12 16:50:03,957 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-12 16:50:03,957 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-12 16:50:03,960 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-12 16:50:03,976 INFO L514 InvariantChecker]: The annotation(s) from entry assume_abort_if_notENTRY to error location assume_abort_if_notErr0ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-12 16:50:04,006 INFO L314 BlockEncoder]: Initial Icfg 7 locations, 8 edges [2024-09-12 16:50:04,007 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-12 16:50:04,007 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-12 16:50:04,008 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-12 16:50:04,008 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-12 16:50:04,008 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 16:50:04,036 INFO L101 BaseMinimizeStates]: Removed 14 edges and 5 locations by large block encoding [2024-09-12 16:50:04,037 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 16:50:04,037 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-12 16:50:04,037 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-12 16:50:04,037 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-12 16:50:04,044 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-12 16:50:04,072 INFO L514 InvariantChecker]: The annotation(s) from loop head L45-2 to error location mainErr5REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-12 16:50:04,090 INFO L314 BlockEncoder]: Initial Icfg 3 locations, 2 edges [2024-09-12 16:50:04,091 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-12 16:50:04,091 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-12 16:50:04,091 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-12 16:50:04,091 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-12 16:50:04,091 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 16:50:04,092 INFO L101 BaseMinimizeStates]: Removed 2 edges and 1 locations by large block encoding [2024-09-12 16:50:04,093 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 16:50:04,093 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-12 16:50:04,093 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-12 16:50:04,093 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-12 16:50:04,093 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-12 16:50:04,095 INFO L514 InvariantChecker]: The annotation(s) from entry mainENTRY to error location mainErr0REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-12 16:50:04,106 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-12 16:50:04,106 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-12 16:50:04,106 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-12 16:50:04,106 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-12 16:50:04,106 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-12 16:50:04,107 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 16:50:04,110 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-12 16:50:04,111 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 16:50:04,111 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-12 16:50:04,111 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-12 16:50:04,111 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-12 16:50:04,112 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-12 16:50:04,116 INFO L514 InvariantChecker]: The annotation(s) from entry mainENTRY to error location mainErr1REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-12 16:50:04,131 INFO L314 BlockEncoder]: Initial Icfg 8 locations, 8 edges [2024-09-12 16:50:04,132 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-12 16:50:04,132 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-12 16:50:04,132 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-12 16:50:04,132 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-12 16:50:04,132 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 16:50:04,162 INFO L101 BaseMinimizeStates]: Removed 14 edges and 6 locations by large block encoding [2024-09-12 16:50:04,163 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 16:50:04,163 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-12 16:50:04,163 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-12 16:50:04,163 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-12 16:50:04,169 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-12 16:50:04,193 INFO L514 InvariantChecker]: The annotation(s) from loop head L45-2 to loop head mainErr3ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-12 16:50:04,204 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 7 edges [2024-09-12 16:50:04,204 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-12 16:50:04,204 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-12 16:50:04,204 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-12 16:50:04,205 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-12 16:50:04,205 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 16:50:04,222 INFO L101 BaseMinimizeStates]: Removed 12 edges and 4 locations by large block encoding [2024-09-12 16:50:04,223 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 16:50:04,223 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-12 16:50:04,223 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-12 16:50:04,223 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-12 16:50:04,227 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-12 16:50:04,256 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 4 edges [2024-09-12 16:50:04,256 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-12 16:50:04,259 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-12 16:50:04,259 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-12 16:50:04,259 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-12 16:50:04,260 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 16:50:04,273 INFO L101 BaseMinimizeStates]: Removed 6 edges and 3 locations by large block encoding [2024-09-12 16:50:04,273 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 16:50:04,273 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-12 16:50:04,274 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-12 16:50:04,274 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-12 16:50:04,274 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-12 16:50:04,307 INFO L514 InvariantChecker]: The annotation(s) from loop head L45-2 to error location mainErr4REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-12 16:50:04,326 INFO L314 BlockEncoder]: Initial Icfg 9 locations, 10 edges [2024-09-12 16:50:04,327 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-12 16:50:04,327 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-12 16:50:04,328 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-12 16:50:04,328 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-12 16:50:04,329 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 16:50:04,370 INFO L101 BaseMinimizeStates]: Removed 22 edges and 7 locations by large block encoding [2024-09-12 16:50:04,371 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 16:50:04,371 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-12 16:50:04,372 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-12 16:50:04,372 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-12 16:50:04,373 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-12 16:50:04,376 INFO L514 InvariantChecker]: The annotation(s) from loop head L45-2 to error location mainErr6ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-12 16:50:04,389 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-12 16:50:04,390 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-12 16:50:04,390 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-12 16:50:04,390 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-12 16:50:04,390 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-12 16:50:04,390 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 16:50:04,391 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-12 16:50:04,391 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 16:50:04,391 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-12 16:50:04,392 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-12 16:50:04,392 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-12 16:50:04,392 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-12 16:50:04,395 INFO L514 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to error location ULTIMATE.startErr0REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-12 16:50:04,416 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 5 edges [2024-09-12 16:50:04,416 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-12 16:50:04,416 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-12 16:50:04,417 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-12 16:50:04,417 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-12 16:50:04,417 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 16:50:04,423 INFO L101 BaseMinimizeStates]: Removed 8 edges and 4 locations by large block encoding [2024-09-12 16:50:04,424 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 16:50:04,424 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-12 16:50:04,424 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-12 16:50:04,424 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-12 16:50:04,425 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-12 16:50:04,427 INFO L514 InvariantChecker]: The annotation(s) from entry mainENTRY to loop head mainErr2ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-12 16:50:04,437 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 5 edges [2024-09-12 16:50:04,437 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-12 16:50:04,438 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-12 16:50:04,438 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-12 16:50:04,438 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-12 16:50:04,438 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 16:50:04,450 INFO L101 BaseMinimizeStates]: Removed 8 edges and 4 locations by large block encoding [2024-09-12 16:50:04,451 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 16:50:04,451 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-12 16:50:04,451 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-12 16:50:04,451 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-12 16:50:04,451 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-12 16:50:04,460 INFO L514 InvariantChecker]: The annotation(s) from loop head L36-4 to loop head mainErr2ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-12 16:50:04,469 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 5 edges [2024-09-12 16:50:04,469 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-12 16:50:04,469 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-12 16:50:04,469 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-12 16:50:04,469 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-12 16:50:04,469 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 16:50:04,471 INFO L101 BaseMinimizeStates]: Removed 8 edges and 3 locations by large block encoding [2024-09-12 16:50:04,471 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 16:50:04,474 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-12 16:50:04,475 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-12 16:50:04,475 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-12 16:50:04,475 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-12 16:50:04,477 INFO L514 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-12 16:50:04,488 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-12 16:50:04,488 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-12 16:50:04,488 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-12 16:50:04,488 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-12 16:50:04,489 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-12 16:50:04,489 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 16:50:04,495 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-12 16:50:04,495 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 16:50:04,495 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-12 16:50:04,495 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-12 16:50:04,495 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-12 16:50:04,495 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-12 16:50:04,500 INFO L514 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION is inductive. [2024-09-12 16:50:04,510 INFO L58 RefereeStarter]: Annotation is not a valid proof of correctness. [2024-09-12 16:50:04,511 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@771de218 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CFG 12.09 04:50:04, skipping insertion in model container [2024-09-12 16:50:04,511 INFO L131 PluginConnector]: ------------------------ END Referee---------------------------- [2024-09-12 16:50:04,513 INFO L158 Benchmark]: Toolchain (without parser) took 1680.68ms. Allocated memory was 73.4MB in the beginning and 90.2MB in the end (delta: 16.8MB). Free memory was 41.8MB in the beginning and 35.9MB in the end (delta: 5.9MB). Peak memory consumption was 26.5MB. Max. memory is 16.1GB. [2024-09-12 16:50:04,514 INFO L158 Benchmark]: CDTParser took 1.05ms. Allocated memory is still 54.5MB. Free memory was 33.5MB in the beginning and 33.4MB in the end (delta: 73.4kB). There was no memory consumed. Max. memory is 16.1GB. [2024-09-12 16:50:04,514 INFO L158 Benchmark]: Witness Parser took 0.21ms. Allocated memory is still 73.4MB. Free memory is still 43.8MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-12 16:50:04,515 INFO L158 Benchmark]: CACSL2BoogieTranslator took 340.54ms. Allocated memory is still 73.4MB. Free memory was 41.6MB in the beginning and 45.4MB in the end (delta: -3.7MB). Peak memory consumption was 10.7MB. Max. memory is 16.1GB. [2024-09-12 16:50:04,517 INFO L158 Benchmark]: Boogie Preprocessor took 68.49ms. Allocated memory is still 73.4MB. Free memory was 45.4MB in the beginning and 43.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-09-12 16:50:04,517 INFO L158 Benchmark]: RCFGBuilder took 599.08ms. Allocated memory is still 73.4MB. Free memory was 42.8MB in the beginning and 24.8MB in the end (delta: 18.0MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2024-09-12 16:50:04,518 INFO L158 Benchmark]: Referee took 665.01ms. Allocated memory was 73.4MB in the beginning and 90.2MB in the end (delta: 16.8MB). Free memory was 24.8MB in the beginning and 35.9MB in the end (delta: -11.1MB). Peak memory consumption was 9.5MB. Max. memory is 16.1GB. [2024-09-12 16:50:04,520 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=1, B=0, counter=2147483647, q=0, r=0 and ends in \old(counter)=0, counter=-2147483648. 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 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 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 40 to check that procedure precondition always holds 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 assume_abort_if_not to exit of procedure assume_abort_if_not. Annotation is valid for all loop-free paths from loop head at line 40 to 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 loop head at line 36 to loop head at line 36. Annotation is valid for all loop-free paths from entry of procedure main to loop head at line 36. * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.05ms. Allocated memory is still 54.5MB. Free memory was 33.5MB in the beginning and 33.4MB in the end (delta: 73.4kB). There was no memory consumed. Max. memory is 16.1GB. * Witness Parser took 0.21ms. Allocated memory is still 73.4MB. Free memory is still 43.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 340.54ms. Allocated memory is still 73.4MB. Free memory was 41.6MB in the beginning and 45.4MB in the end (delta: -3.7MB). Peak memory consumption was 10.7MB. Max. memory is 16.1GB. * Boogie Preprocessor took 68.49ms. Allocated memory is still 73.4MB. Free memory was 45.4MB in the beginning and 43.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 599.08ms. Allocated memory is still 73.4MB. Free memory was 42.8MB in the beginning and 24.8MB in the end (delta: 18.0MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * Referee took 665.01ms. Allocated memory was 73.4MB in the beginning and 90.2MB in the end (delta: 16.8MB). Free memory was 24.8MB in the beginning and 35.9MB in the end (delta: -11.1MB). Peak memory consumption was 9.5MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-09-12 16:50:04,552 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