./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/nla-digbench-scaling/divbin_unwindbound1.i --full-output --witness-type correctness_witness --validate ../results/automizer-verification-files/SV-COMP24_unreach-call/divbin_unwindbound1.yml/witness-2.1.yml --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 6908dde5 Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/bin/java -Dosgi.configuration.area=/storage/repos/certificate-witnesses-artifact/referee/data/config -Xmx15G -Xms4m -jar /storage/repos/certificate-witnesses-artifact/referee/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/certificate-witnesses-artifact/referee/data -tc /storage/repos/certificate-witnesses-artifact/referee/config/RefereeReachWitnessValidation.xml -i ../sv-benchmarks/c/nla-digbench-scaling/divbin_unwindbound1.i ../results/automizer-verification-files/SV-COMP24_unreach-call/divbin_unwindbound1.yml/witness-2.1.yml -s /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Default.epf --cacsl2boogietranslator.entry.function main --traceabstraction.positions.where.we.compute.the.hoare.annotation None --- Real Ultimate output --- This is Ultimate 0.2.4-tmp.dk.referee-eval-6908dde-m [2024-09-25 00:28:43,355 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-25 00:28:43,419 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Default.epf [2024-09-25 00:28:43,423 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-25 00:28:43,424 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-25 00:28:43,448 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-25 00:28:43,449 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-25 00:28:43,449 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-25 00:28:43,450 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-25 00:28:43,450 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-25 00:28:43,450 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-25 00:28:43,451 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-25 00:28:43,451 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-25 00:28:43,451 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-25 00:28:43,452 INFO L153 SettingsManager]: * Use SBE=true [2024-09-25 00:28:43,452 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-25 00:28:43,452 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-25 00:28:43,453 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-25 00:28:43,453 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-09-25 00:28:43,453 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-25 00:28:43,453 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-25 00:28:43,455 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-25 00:28:43,455 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-25 00:28:43,455 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-25 00:28:43,456 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-25 00:28:43,456 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-25 00:28:43,456 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-25 00:28:43,456 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-25 00:28:43,457 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-25 00:28:43,457 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-25 00:28:43,457 INFO L153 SettingsManager]: * Future-live optimization=false [2024-09-25 00:28:43,458 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-25 00:28:43,458 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-25 00:28:43,458 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-25 00:28:43,458 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-25 00:28:43,458 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-25 00:28:43,459 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-25 00:28:43,459 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-09-25 00:28:43,459 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-09-25 00:28:43,459 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-25 00:28:43,460 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-25 00:28:43,461 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-25 00:28:43,461 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-25 00:28:43,461 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/certificate-witnesses-artifact/referee/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None [2024-09-25 00:28:43,722 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-25 00:28:43,752 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-25 00:28:43,754 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-25 00:28:43,756 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-25 00:28:43,756 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-25 00:28:43,757 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/automizer-verification-files/SV-COMP24_unreach-call/divbin_unwindbound1.yml/witness-2.1.yml [2024-09-25 00:28:43,818 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-25 00:28:43,819 INFO L274 PluginConnector]: CDTParser initialized [2024-09-25 00:28:43,819 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/nla-digbench-scaling/divbin_unwindbound1.i [2024-09-25 00:28:45,229 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-25 00:28:45,429 INFO L384 CDTParser]: Found 1 translation units. [2024-09-25 00:28:45,429 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench-scaling/divbin_unwindbound1.i [2024-09-25 00:28:45,436 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/fd385baf2/18846c6571b0480b8fdb81ed2320833a/FLAG6da47e376 [2024-09-25 00:28:45,802 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/fd385baf2/18846c6571b0480b8fdb81ed2320833a [2024-09-25 00:28:45,803 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-25 00:28:45,804 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-09-25 00:28:45,805 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-25 00:28:45,805 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-25 00:28:45,811 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-25 00:28:45,812 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 25.09 12:28:43" (1/2) ... [2024-09-25 00:28:45,813 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7b4ffbb and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 25.09 12:28:45, skipping insertion in model container [2024-09-25 00:28:45,813 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 25.09 12:28:43" (1/2) ... [2024-09-25 00:28:45,814 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@c3ceb70 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 25.09 12:28:45, skipping insertion in model container [2024-09-25 00:28:45,814 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 12:28:45" (2/2) ... [2024-09-25 00:28:45,815 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7b4ffbb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:28:45, skipping insertion in model container [2024-09-25 00:28:45,815 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 12:28:45" (2/2) ... [2024-09-25 00:28:45,825 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-25 00:28:45,825 INFO L1541 ArrayList]: Loop invariant at [L36-L39] ((\old(counter) == 0) && ((((A == r) && (counter == 0)) && (q == 0)) || (((A == r) && (1 <= counter)) && (q == 0)))) [2024-09-25 00:28:45,826 INFO L1541 ArrayList]: Loop invariant at [L40-L49] ((((A == r) && (1 <= counter)) && (\old(counter) == 0)) && (q == 0)) [2024-09-25 00:28:45,826 INFO L1541 ArrayList]: Function contract at [L26]: requires (counter == 0), ensures (\old(counter) == 0) [2024-09-25 00:28:45,826 INFO L1541 ArrayList]: Function contract at [L18]: requires (1 <= cond), ensures (1 <= cond) [2024-09-25 00:28:45,826 INFO L1541 ArrayList]: Function contract at [L15]: requires (counter == 0), ensures (counter == 0) [2024-09-25 00:28:45,855 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-25 00:28:46,002 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench-scaling/divbin_unwindbound1.i[950,963] [2024-09-25 00:28:46,027 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-25 00:28:46,036 INFO L200 MainTranslator]: Completed pre-run Start Parsing Global Start Parsing Global Start Parsing Global Start Parsing Global [2024-09-25 00:28:46,067 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench-scaling/divbin_unwindbound1.i[950,963] Start Parsing Global Start Parsing Global Start Parsing Local Start Parsing Local [2024-09-25 00:28:46,077 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-25 00:28:46,092 INFO L204 MainTranslator]: Completed translation [2024-09-25 00:28:46,093 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:28:46 WrapperNode [2024-09-25 00:28:46,093 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-25 00:28:46,094 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-25 00:28:46,094 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-25 00:28:46,095 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-25 00:28:46,108 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:28:46" (1/1) ... [2024-09-25 00:28:46,108 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:28:46" (1/1) ... [2024-09-25 00:28:46,115 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:28:46" (1/1) ... [2024-09-25 00:28:46,125 WARN L109 MemorySlicer]: Omit memory slicing because it failed with the following exception: Unsupported: Procedure assume_abort_if_not is not part of the Ultimate memory model but has specification other that is not a ModifiesSpecification [2024-09-25 00:28:46,125 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:28:46" (1/1) ... [2024-09-25 00:28:46,125 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:28:46" (1/1) ... [2024-09-25 00:28:46,129 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:28:46" (1/1) ... [2024-09-25 00:28:46,136 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:28:46" (1/1) ... [2024-09-25 00:28:46,139 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:28:46" (1/1) ... [2024-09-25 00:28:46,140 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:28:46" (1/1) ... [2024-09-25 00:28:46,142 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-25 00:28:46,143 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-25 00:28:46,143 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-25 00:28:46,147 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-25 00:28:46,148 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:28:46" (1/1) ... [2024-09-25 00:28:46,157 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-25 00:28:46,168 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-09-25 00:28:46,188 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/certificate-witnesses-artifact/referee/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-09-25 00:28:46,194 INFO L327 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/referee/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-09-25 00:28:46,241 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-09-25 00:28:46,241 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-25 00:28:46,243 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-09-25 00:28:46,243 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-09-25 00:28:46,244 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-09-25 00:28:46,244 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-09-25 00:28:46,244 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-09-25 00:28:46,244 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-09-25 00:28:46,244 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_perror_fail [2024-09-25 00:28:46,244 INFO L130 BoogieDeclarations]: Found specification of procedure __assert [2024-09-25 00:28:46,244 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-09-25 00:28:46,245 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-25 00:28:46,245 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2024-09-25 00:28:46,245 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-09-25 00:28:46,245 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-09-25 00:28:46,245 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-09-25 00:28:46,245 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-09-25 00:28:46,246 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-09-25 00:28:46,246 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-25 00:28:46,246 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-09-25 00:28:46,246 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-09-25 00:28:46,246 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-09-25 00:28:46,328 INFO L241 CfgBuilder]: Building ICFG [2024-09-25 00:28:46,330 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-25 00:28:46,354 WARN L782 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-25 00:28:46,391 WARN L782 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-25 00:28:46,512 WARN L782 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-25 00:28:46,524 INFO L290 CfgBuilder]: Performing block encoding [2024-09-25 00:28:46,545 INFO L312 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-25 00:28:46,546 INFO L317 CfgBuilder]: Removed 2 assume(true) statements. [2024-09-25 00:28:46,546 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 12:28:46 BoogieIcfgContainer [2024-09-25 00:28:46,546 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-25 00:28:46,547 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-09-25 00:28:46,547 INFO L270 PluginConnector]: Initializing Referee... [2024-09-25 00:28:46,548 INFO L274 PluginConnector]: Referee initialized [2024-09-25 00:28:46,548 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 25.09 12:28:43" (1/4) ... [2024-09-25 00:28:46,549 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@51c2ec41 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 25.09 12:28:46, skipping insertion in model container [2024-09-25 00:28:46,549 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 25.09 12:28:45" (2/4) ... [2024-09-25 00:28:46,549 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@51c2ec41 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 25.09 12:28:46, skipping insertion in model container [2024-09-25 00:28:46,549 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:28:46" (3/4) ... [2024-09-25 00:28:46,550 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@51c2ec41 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 25.09 12:28:46, skipping insertion in model container [2024-09-25 00:28:46,550 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 12:28:46" (4/4) ... [2024-09-25 00:28:46,551 INFO L79 RefereeObserver]: Analyzing ICFG divbin_unwindbound1.i [2024-09-25 00:28:46,554 INFO L113 InvariantChecker]: Found 2 loops. [2024-09-25 00:28:46,555 INFO L373 InvariantChecker]: Will check inductivity from ENTRY assume_abort_if_notENTRY to ERROR_LOC assume_abort_if_notErr0ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 4 edges. [2024-09-25 00:28:46,555 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L45-2 to ERROR_LOC mainErr5REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 8 edges. [2024-09-25 00:28:46,555 INFO L373 InvariantChecker]: Will check inductivity from ENTRY mainENTRY to ERROR_LOC mainErr0REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 2 edges. [2024-09-25 00:28:46,555 INFO L373 InvariantChecker]: Will check inductivity from ENTRY mainENTRY to ERROR_LOC mainErr1REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 3 edges. [2024-09-25 00:28:46,555 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L45-2 to LOOP_INVARIANT_ERROR_LOC mainErr3ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 8 edges. [2024-09-25 00:28:46,555 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L36-4 to LOOP_INVARIANT_ERROR_LOC mainErr3ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 7 edges. [2024-09-25 00:28:46,555 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L45-2 to ERROR_LOC mainErr4REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 4 edges. [2024-09-25 00:28:46,556 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L45-2 to ERROR_LOC mainErr6ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 10 edges. [2024-09-25 00:28:46,556 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC ULTIMATE.startErr0REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 3 edges. [2024-09-25 00:28:46,556 INFO L373 InvariantChecker]: Will check inductivity from ENTRY mainENTRY to LOOP_INVARIANT_ERROR_LOC mainErr2ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 5 edges. [2024-09-25 00:28:46,556 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L36-4 to LOOP_INVARIANT_ERROR_LOC mainErr2ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 5 edges. [2024-09-25 00:28:46,556 INFO L373 InvariantChecker]: Will check inductivity from ENTRY __VERIFIER_assertENTRY to ERROR_LOC __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 5 edges. [2024-09-25 00:28:46,556 INFO L373 InvariantChecker]: Will check inductivity from ENTRY __VERIFIER_assertENTRY to ERROR_LOC __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 3 edges. [2024-09-25 00:28:46,557 INFO L131 InvariantChecker]: Will check 1 loop-free subgraphs from procedure entry to loop head, 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 [2024-09-25 00:28:46,610 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 4 edges [2024-09-25 00:28:46,612 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 00:28:46,612 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 00:28:46,613 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 00:28:46,614 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 00:28:46,616 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:28:46,626 INFO L101 BaseMinimizeStates]: Removed 6 edges and 2 locations by large block encoding [2024-09-25 00:28:46,627 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:28:46,628 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 00:28:46,628 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 00:28:46,628 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 00:28:46,630 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 00:28:46,646 INFO L520 InvariantChecker]: The annotation(s) from entry assume_abort_if_notENTRY to error location assume_abort_if_notErr0ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-25 00:28:46,683 INFO L314 BlockEncoder]: Initial Icfg 7 locations, 8 edges [2024-09-25 00:28:46,683 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 00:28:46,683 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 00:28:46,683 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 00:28:46,684 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 00:28:46,684 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:28:46,709 INFO L101 BaseMinimizeStates]: Removed 14 edges and 5 locations by large block encoding [2024-09-25 00:28:46,709 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:28:46,709 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 00:28:46,709 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 00:28:46,709 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 00:28:46,714 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 00:28:50,722 INFO L516 InvariantChecker]: unknown inductivity: todo good error message [2024-09-25 00:28:50,740 INFO L314 BlockEncoder]: Initial Icfg 3 locations, 2 edges [2024-09-25 00:28:50,740 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 00:28:50,740 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 00:28:50,740 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 00:28:50,741 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 00:28:50,741 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:28:50,742 INFO L101 BaseMinimizeStates]: Removed 2 edges and 1 locations by large block encoding [2024-09-25 00:28:50,742 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:28:50,742 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 00:28:50,742 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 00:28:50,742 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 00:28:50,742 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 00:28:50,744 INFO L520 InvariantChecker]: The annotation(s) from entry mainENTRY to error location mainErr0REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-25 00:28:50,758 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-25 00:28:50,758 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 00:28:50,759 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 00:28:50,759 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 00:28:50,759 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 00:28:50,759 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:28:50,761 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-25 00:28:50,761 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:28:50,761 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 00:28:50,761 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 00:28:50,762 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 00:28:50,762 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 00:28:50,763 INFO L520 InvariantChecker]: The annotation(s) from entry mainENTRY to error location mainErr1REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-25 00:28:50,783 INFO L314 BlockEncoder]: Initial Icfg 8 locations, 8 edges [2024-09-25 00:28:50,783 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 00:28:50,784 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 00:28:50,784 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 00:28:50,784 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 00:28:50,784 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:28:50,823 INFO L101 BaseMinimizeStates]: Removed 14 edges and 6 locations by large block encoding [2024-09-25 00:28:50,826 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:28:50,826 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 00:28:50,826 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 00:28:50,826 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 00:28:50,835 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 00:28:50,841 INFO L520 InvariantChecker]: The annotation(s) from loop head L45-2 to loop head mainErr3ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-25 00:28:50,860 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 7 edges [2024-09-25 00:28:50,862 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 00:28:50,862 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 00:28:50,862 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 00:28:50,863 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 00:28:50,863 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:28:50,876 INFO L101 BaseMinimizeStates]: Removed 12 edges and 4 locations by large block encoding [2024-09-25 00:28:50,877 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:28:50,878 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 00:28:50,878 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 00:28:50,878 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 00:28:50,880 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 00:28:50,885 INFO L520 InvariantChecker]: The annotation(s) from loop head L36-4 to loop head mainErr3ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-25 00:28:50,898 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 4 edges [2024-09-25 00:28:50,899 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 00:28:50,900 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 00:28:50,900 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 00:28:50,900 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 00:28:50,900 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:28:50,907 INFO L101 BaseMinimizeStates]: Removed 6 edges and 3 locations by large block encoding [2024-09-25 00:28:50,908 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:28:50,908 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 00:28:50,908 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 00:28:50,909 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 00:28:50,910 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 00:28:50,919 INFO L520 InvariantChecker]: The annotation(s) from loop head L45-2 to error location mainErr4REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-25 00:28:50,941 INFO L314 BlockEncoder]: Initial Icfg 9 locations, 10 edges [2024-09-25 00:28:50,942 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 00:28:50,943 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 00:28:50,943 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 00:28:50,943 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 00:28:50,944 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:28:50,968 INFO L101 BaseMinimizeStates]: Removed 22 edges and 7 locations by large block encoding [2024-09-25 00:28:50,968 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:28:50,969 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 00:28:50,969 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 00:28:50,969 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 00:28:50,970 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 00:28:50,972 INFO L520 InvariantChecker]: The annotation(s) from loop head L45-2 to error location mainErr6ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-25 00:28:50,984 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-25 00:28:50,986 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 00:28:50,986 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 00:28:50,986 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 00:28:50,987 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 00:28:50,987 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:28:50,987 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-25 00:28:50,988 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:28:50,988 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 00:28:50,988 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 00:28:50,988 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 00:28:50,988 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 00:28:50,990 INFO L520 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to error location ULTIMATE.startErr0REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-25 00:28:51,006 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 5 edges [2024-09-25 00:28:51,007 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 00:28:51,008 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 00:28:51,008 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 00:28:51,008 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 00:28:51,008 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:28:51,011 INFO L101 BaseMinimizeStates]: Removed 8 edges and 4 locations by large block encoding [2024-09-25 00:28:51,012 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:28:51,012 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 00:28:51,012 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 00:28:51,012 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 00:28:51,013 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 00:28:51,016 INFO L520 InvariantChecker]: The annotation(s) from entry mainENTRY to loop head mainErr2ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-25 00:28:51,026 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 5 edges [2024-09-25 00:28:51,026 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 00:28:51,026 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 00:28:51,027 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 00:28:51,027 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 00:28:51,027 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:28:51,037 INFO L101 BaseMinimizeStates]: Removed 8 edges and 4 locations by large block encoding [2024-09-25 00:28:51,037 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:28:51,037 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 00:28:51,038 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 00:28:51,038 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 00:28:51,038 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 00:28:51,041 INFO L520 InvariantChecker]: The annotation(s) from loop head L36-4 to loop head mainErr2ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-25 00:28:51,055 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 5 edges [2024-09-25 00:28:51,059 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 00:28:51,059 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 00:28:51,059 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 00:28:51,060 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 00:28:51,060 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:28:51,062 INFO L101 BaseMinimizeStates]: Removed 8 edges and 3 locations by large block encoding [2024-09-25 00:28:51,063 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:28:51,063 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 00:28:51,063 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 00:28:51,063 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 00:28:51,064 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 00:28:51,066 INFO L520 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-25 00:28:51,077 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-25 00:28:51,077 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 00:28:51,078 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 00:28:51,078 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 00:28:51,078 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 00:28:51,078 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:28:51,080 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-25 00:28:51,080 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:28:51,080 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 00:28:51,080 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 00:28:51,080 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 00:28:51,080 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 00:28:51,082 INFO L520 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION is inductive. [2024-09-25 00:28:51,085 INFO L58 RefereeStarter]: Insufficient resources for checking whether annotation is a valid proof of correctness. [2024-09-25 00:28:51,086 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@51c2ec41 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee CFG 25.09 12:28:51, skipping insertion in model container [2024-09-25 00:28:51,086 INFO L131 PluginConnector]: ------------------------ END Referee---------------------------- [2024-09-25 00:28:51,088 INFO L158 Benchmark]: Toolchain (without parser) took 5283.01ms. Allocated memory is still 163.6MB. Free memory was 130.5MB in the beginning and 65.6MB in the end (delta: 64.9MB). Peak memory consumption was 62.9MB. Max. memory is 16.1GB. [2024-09-25 00:28:51,088 INFO L158 Benchmark]: Witness Parser took 0.18ms. Allocated memory is still 104.9MB. Free memory was 76.2MB in the beginning and 76.1MB in the end (delta: 167.8kB). There was no memory consumed. Max. memory is 16.1GB. [2024-09-25 00:28:51,089 INFO L158 Benchmark]: CDTParser took 0.12ms. Allocated memory is still 104.9MB. Free memory was 74.1MB in the beginning and 73.9MB in the end (delta: 167.8kB). There was no memory consumed. Max. memory is 16.1GB. [2024-09-25 00:28:51,090 INFO L158 Benchmark]: CACSL2BoogieTranslator took 288.32ms. Allocated memory is still 163.6MB. Free memory was 130.5MB in the beginning and 116.0MB in the end (delta: 14.6MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-09-25 00:28:51,091 INFO L158 Benchmark]: Boogie Preprocessor took 47.91ms. Allocated memory is still 163.6MB. Free memory was 116.0MB in the beginning and 113.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-09-25 00:28:51,092 INFO L158 Benchmark]: RCFGBuilder took 403.65ms. Allocated memory is still 163.6MB. Free memory was 113.9MB in the beginning and 126.4MB in the end (delta: -12.6MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2024-09-25 00:28:51,093 INFO L158 Benchmark]: Referee took 4539.23ms. Allocated memory is still 163.6MB. Free memory was 126.4MB in the beginning and 65.6MB in the end (delta: 60.8MB). Peak memory consumption was 60.8MB. Max. memory is 16.1GB. [2024-09-25 00:28:51,097 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.referee: - AnnotationCheckResult: Insufficient resources for checking whether annotation is a valid proof of correctness. Insufficient resources for checking whether annotation is a valid proof of correctness. Insufficient resources for checking whether annotation is valid for all loop-free paths from loop head at line 40 to check that procedure precondition always holds at line 40. Annotation is valid for all loop-free paths from 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 check that procedure precondition always holds at line 41. 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 entry of procedure __VERIFIER_assert to exit of procedure __VERIFIER_assert. Annotation is valid for all loop-free paths from loop head at line 40 to exit of procedure main. Annotation is valid for all loop-free paths from entry of procedure ULTIMATE.start to check that procedure precondition always holds at line -1. Annotation is valid for all loop-free paths from entry of procedure __VERIFIER_assert to check that a call to reach_error is unreachable at line 20. Annotation is valid for all loop-free paths from entry of procedure main to check that procedure precondition always holds at line 31. Annotation is valid for all loop-free paths from entry of procedure main to check that procedure precondition always holds at line 31. Annotation is valid for all loop-free paths from loop head at line 36 to loop head at line 40. Annotation is valid for all loop-free paths from loop head at line 36 to loop head at line 36. * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Witness Parser took 0.18ms. Allocated memory is still 104.9MB. Free memory was 76.2MB in the beginning and 76.1MB in the end (delta: 167.8kB). There was no memory consumed. Max. memory is 16.1GB. * CDTParser took 0.12ms. Allocated memory is still 104.9MB. Free memory was 74.1MB in the beginning and 73.9MB in the end (delta: 167.8kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 288.32ms. Allocated memory is still 163.6MB. Free memory was 130.5MB in the beginning and 116.0MB in the end (delta: 14.6MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Preprocessor took 47.91ms. Allocated memory is still 163.6MB. Free memory was 116.0MB in the beginning and 113.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 403.65ms. Allocated memory is still 163.6MB. Free memory was 113.9MB in the beginning and 126.4MB in the end (delta: -12.6MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Referee took 4539.23ms. Allocated memory is still 163.6MB. Free memory was 126.4MB in the beginning and 65.6MB in the end (delta: 60.8MB). Peak memory consumption was 60.8MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-09-25 00:28:51,121 INFO L552 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/referee/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/bin/java -Dosgi.configuration.area=/storage/repos/certificate-witnesses-artifact/referee/data/config -Xmx15G -Xms4m -jar /storage/repos/certificate-witnesses-artifact/referee/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/certificate-witnesses-artifact/referee/data -tc /storage/repos/certificate-witnesses-artifact/referee/config/RefereeReachWitnessValidation.xml -i ../sv-benchmarks/c/nla-digbench-scaling/divbin_unwindbound1.i ../results/automizer-verification-files/SV-COMP24_unreach-call/divbin_unwindbound1.yml/witness-2.1.yml -s /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Bitvector.epf --cacsl2boogietranslator.entry.function main --traceabstraction.positions.where.we.compute.the.hoare.annotation None --- Real Ultimate output --- This is Ultimate 0.2.4-tmp.dk.referee-eval-6908dde-m [2024-09-25 00:28:53,325 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-25 00:28:53,388 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Bitvector.epf [2024-09-25 00:28:53,393 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-25 00:28:53,393 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-25 00:28:53,421 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-25 00:28:53,422 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-25 00:28:53,422 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-25 00:28:53,423 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-25 00:28:53,424 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-25 00:28:53,425 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-25 00:28:53,426 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-25 00:28:53,428 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-25 00:28:53,429 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-25 00:28:53,429 INFO L153 SettingsManager]: * Use SBE=true [2024-09-25 00:28:53,429 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-25 00:28:53,429 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-25 00:28:53,430 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-25 00:28:53,430 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-25 00:28:53,430 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-25 00:28:53,431 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-25 00:28:53,434 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-25 00:28:53,434 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-25 00:28:53,435 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-09-25 00:28:53,435 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-09-25 00:28:53,435 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-25 00:28:53,437 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-09-25 00:28:53,437 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-25 00:28:53,437 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-25 00:28:53,438 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-25 00:28:53,438 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-25 00:28:53,438 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-25 00:28:53,439 INFO L153 SettingsManager]: * Future-live optimization=false [2024-09-25 00:28:53,439 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-25 00:28:53,439 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-25 00:28:53,440 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-25 00:28:53,440 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-25 00:28:53,441 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-25 00:28:53,441 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-25 00:28:53,441 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-09-25 00:28:53,442 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-09-25 00:28:53,442 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-25 00:28:53,442 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-25 00:28:53,442 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-25 00:28:53,443 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-25 00:28:53,443 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2024-09-25 00:28:53,443 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/certificate-witnesses-artifact/referee/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None [2024-09-25 00:28:53,750 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-25 00:28:53,775 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-25 00:28:53,779 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-25 00:28:53,781 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-25 00:28:53,781 INFO L274 PluginConnector]: CDTParser initialized [2024-09-25 00:28:53,782 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/nla-digbench-scaling/divbin_unwindbound1.i [2024-09-25 00:28:55,405 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-25 00:28:55,591 INFO L384 CDTParser]: Found 1 translation units. [2024-09-25 00:28:55,592 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench-scaling/divbin_unwindbound1.i [2024-09-25 00:28:55,599 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/5cf4ed651/8b82f3fa8a33456fa3b6150d6c3b1e64/FLAGba092589e [2024-09-25 00:28:55,976 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/5cf4ed651/8b82f3fa8a33456fa3b6150d6c3b1e64 [2024-09-25 00:28:55,979 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-25 00:28:55,980 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-25 00:28:55,980 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/automizer-verification-files/SV-COMP24_unreach-call/divbin_unwindbound1.yml/witness-2.1.yml [2024-09-25 00:28:56,044 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-25 00:28:56,045 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-09-25 00:28:56,048 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-25 00:28:56,049 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-25 00:28:56,053 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-25 00:28:56,057 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 12:28:55" (1/2) ... [2024-09-25 00:28:56,060 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@25999b0c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:28:56, skipping insertion in model container [2024-09-25 00:28:56,061 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 12:28:55" (1/2) ... [2024-09-25 00:28:56,062 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@113877cd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:28:56, skipping insertion in model container [2024-09-25 00:28:56,062 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 25.09 12:28:56" (2/2) ... [2024-09-25 00:28:56,063 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@25999b0c and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 25.09 12:28:56, skipping insertion in model container [2024-09-25 00:28:56,063 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 25.09 12:28:56" (2/2) ... [2024-09-25 00:28:56,076 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-25 00:28:56,080 INFO L1541 ArrayList]: Loop invariant at [L40-L49] ((((A == r) && (1 <= counter)) && (\old(counter) == 0)) && (q == 0)) [2024-09-25 00:28:56,081 INFO L1541 ArrayList]: Loop invariant at [L36-L39] ((\old(counter) == 0) && ((((A == r) && (counter == 0)) && (q == 0)) || (((A == r) && (1 <= counter)) && (q == 0)))) [2024-09-25 00:28:56,082 INFO L1541 ArrayList]: Function contract at [L15]: requires (counter == 0), ensures (counter == 0) [2024-09-25 00:28:56,082 INFO L1541 ArrayList]: Function contract at [L18]: requires (1 <= cond), ensures (1 <= cond) [2024-09-25 00:28:56,082 INFO L1541 ArrayList]: Function contract at [L26]: requires (counter == 0), ensures (\old(counter) == 0) [2024-09-25 00:28:56,102 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-25 00:28:56,279 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench-scaling/divbin_unwindbound1.i[950,963] [2024-09-25 00:28:56,305 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-25 00:28:56,318 INFO L200 MainTranslator]: Completed pre-run Start Parsing Global Start Parsing Global Start Parsing Global Start Parsing Global [2024-09-25 00:28:56,373 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench-scaling/divbin_unwindbound1.i[950,963] Start Parsing Global Start Parsing Global Start Parsing Local Start Parsing Local [2024-09-25 00:28:56,389 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-25 00:28:56,409 INFO L204 MainTranslator]: Completed translation [2024-09-25 00:28:56,410 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 25.09 12:28:56 WrapperNode [2024-09-25 00:28:56,410 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-25 00:28:56,411 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-25 00:28:56,411 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-25 00:28:56,412 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-25 00:28:56,424 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 25.09 12:28:56" (1/1) ... [2024-09-25 00:28:56,425 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 25.09 12:28:56" (1/1) ... [2024-09-25 00:28:56,432 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 25.09 12:28:56" (1/1) ... [2024-09-25 00:28:56,445 WARN L109 MemorySlicer]: Omit memory slicing because it failed with the following exception: Unsupported: Procedure assume_abort_if_not is not part of the Ultimate memory model but has specification other that is not a ModifiesSpecification [2024-09-25 00:28:56,445 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 25.09 12:28:56" (1/1) ... [2024-09-25 00:28:56,447 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 25.09 12:28:56" (1/1) ... [2024-09-25 00:28:56,456 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 25.09 12:28:56" (1/1) ... [2024-09-25 00:28:56,462 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 25.09 12:28:56" (1/1) ... [2024-09-25 00:28:56,464 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 25.09 12:28:56" (1/1) ... [2024-09-25 00:28:56,469 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 25.09 12:28:56" (1/1) ... [2024-09-25 00:28:56,471 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-25 00:28:56,472 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-25 00:28:56,472 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-25 00:28:56,472 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-25 00:28:56,473 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 25.09 12:28:56" (1/1) ... [2024-09-25 00:28:56,481 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-25 00:28:56,490 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-09-25 00:28:56,507 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/certificate-witnesses-artifact/referee/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-09-25 00:28:56,513 INFO L327 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/referee/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-09-25 00:28:56,558 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-09-25 00:28:56,558 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-25 00:28:56,558 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-09-25 00:28:56,558 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-09-25 00:28:56,559 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-09-25 00:28:56,559 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-09-25 00:28:56,559 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-09-25 00:28:56,559 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-09-25 00:28:56,559 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_perror_fail [2024-09-25 00:28:56,559 INFO L130 BoogieDeclarations]: Found specification of procedure __assert [2024-09-25 00:28:56,559 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-09-25 00:28:56,559 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-25 00:28:56,560 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2024-09-25 00:28:56,560 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-09-25 00:28:56,560 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-09-25 00:28:56,560 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-09-25 00:28:56,560 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-09-25 00:28:56,561 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-09-25 00:28:56,561 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-25 00:28:56,561 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2024-09-25 00:28:56,562 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2024-09-25 00:28:56,562 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-09-25 00:28:56,647 INFO L241 CfgBuilder]: Building ICFG [2024-09-25 00:28:56,650 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-25 00:28:56,677 WARN L782 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-25 00:28:56,712 WARN L782 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-25 00:28:56,907 WARN L782 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-25 00:28:56,922 INFO L290 CfgBuilder]: Performing block encoding [2024-09-25 00:28:56,956 INFO L312 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-25 00:28:56,957 INFO L317 CfgBuilder]: Removed 2 assume(true) statements. [2024-09-25 00:28:56,957 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 12:28:56 BoogieIcfgContainer [2024-09-25 00:28:56,957 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-25 00:28:56,958 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-09-25 00:28:56,958 INFO L270 PluginConnector]: Initializing Referee... [2024-09-25 00:28:56,959 INFO L274 PluginConnector]: Referee initialized [2024-09-25 00:28:56,959 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 25.09 12:28:55" (1/4) ... [2024-09-25 00:28:56,960 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@5984117a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 25.09 12:28:56, skipping insertion in model container [2024-09-25 00:28:56,960 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 25.09 12:28:56" (2/4) ... [2024-09-25 00:28:56,960 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@5984117a and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 25.09 12:28:56, skipping insertion in model container [2024-09-25 00:28:56,961 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 25.09 12:28:56" (3/4) ... [2024-09-25 00:28:56,961 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@5984117a and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 25.09 12:28:56, skipping insertion in model container [2024-09-25 00:28:56,961 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 12:28:56" (4/4) ... [2024-09-25 00:28:56,962 INFO L79 RefereeObserver]: Analyzing ICFG divbin_unwindbound1.i [2024-09-25 00:28:56,966 INFO L113 InvariantChecker]: Found 2 loops. [2024-09-25 00:28:56,967 INFO L373 InvariantChecker]: Will check inductivity from ENTRY assume_abort_if_notENTRY to ERROR_LOC assume_abort_if_notErr0ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 4 edges. [2024-09-25 00:28:56,967 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L45-2 to ERROR_LOC mainErr5REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 8 edges. [2024-09-25 00:28:56,968 INFO L373 InvariantChecker]: Will check inductivity from ENTRY mainENTRY to ERROR_LOC mainErr0REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 2 edges. [2024-09-25 00:28:56,968 INFO L373 InvariantChecker]: Will check inductivity from ENTRY mainENTRY to ERROR_LOC mainErr1REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 3 edges. [2024-09-25 00:28:56,968 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L45-2 to LOOP_INVARIANT_ERROR_LOC mainErr3ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 8 edges. [2024-09-25 00:28:56,968 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L36-4 to LOOP_INVARIANT_ERROR_LOC mainErr3ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 7 edges. [2024-09-25 00:28:56,968 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L45-2 to ERROR_LOC mainErr4REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 4 edges. [2024-09-25 00:28:56,969 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L45-2 to ERROR_LOC mainErr6ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 10 edges. [2024-09-25 00:28:56,969 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC ULTIMATE.startErr0REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 3 edges. [2024-09-25 00:28:56,969 INFO L373 InvariantChecker]: Will check inductivity from ENTRY mainENTRY to LOOP_INVARIANT_ERROR_LOC mainErr2ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 5 edges. [2024-09-25 00:28:56,969 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L36-4 to LOOP_INVARIANT_ERROR_LOC mainErr2ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 5 edges. [2024-09-25 00:28:56,969 INFO L373 InvariantChecker]: Will check inductivity from ENTRY __VERIFIER_assertENTRY to ERROR_LOC __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 5 edges. [2024-09-25 00:28:56,970 INFO L373 InvariantChecker]: Will check inductivity from ENTRY __VERIFIER_assertENTRY to ERROR_LOC __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 3 edges. [2024-09-25 00:28:56,970 INFO L131 InvariantChecker]: Will check 3 loop-free subgraphs from loop head to error location, 1 loop-free subgraphs from procedure entry to loop head, 6 loop-free subgraphs from procedure entry to error location, 3 loop-free subgraphs from loop head to loop head [2024-09-25 00:28:57,028 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 4 edges [2024-09-25 00:28:57,029 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 00:28:57,030 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 00:28:57,030 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 00:28:57,032 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 00:28:57,034 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:28:57,047 INFO L101 BaseMinimizeStates]: Removed 6 edges and 2 locations by large block encoding [2024-09-25 00:28:57,049 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:28:57,049 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 00:28:57,050 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 00:28:57,051 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 00:28:57,053 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 00:28:57,070 INFO L520 InvariantChecker]: The annotation(s) from entry assume_abort_if_notENTRY to error location assume_abort_if_notErr0ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-25 00:28:57,099 INFO L314 BlockEncoder]: Initial Icfg 7 locations, 8 edges [2024-09-25 00:28:57,102 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 00:28:57,102 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 00:28:57,103 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 00:28:57,103 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 00:28:57,103 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:28:57,133 INFO L101 BaseMinimizeStates]: Removed 14 edges and 5 locations by large block encoding [2024-09-25 00:28:57,133 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:28:57,133 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 00:28:57,133 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 00:28:57,134 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 00:28:57,153 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 00:28:57,156 INFO L520 InvariantChecker]: The annotation(s) from loop head L45-2 to error location mainErr5REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-25 00:28:57,176 INFO L314 BlockEncoder]: Initial Icfg 3 locations, 2 edges [2024-09-25 00:28:57,176 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 00:28:57,177 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 00:28:57,177 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 00:28:57,177 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 00:28:57,177 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:28:57,178 INFO L101 BaseMinimizeStates]: Removed 2 edges and 1 locations by large block encoding [2024-09-25 00:28:57,178 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:28:57,178 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 00:28:57,178 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 00:28:57,178 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 00:28:57,178 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 00:28:57,181 INFO L520 InvariantChecker]: The annotation(s) from entry mainENTRY to error location mainErr0REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-25 00:28:57,201 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-25 00:28:57,204 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 00:28:57,204 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 00:28:57,204 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 00:28:57,204 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 00:28:57,205 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:28:57,206 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-25 00:28:57,206 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:28:57,206 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 00:28:57,206 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 00:28:57,206 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 00:28:57,206 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 00:28:57,210 INFO L520 InvariantChecker]: The annotation(s) from entry mainENTRY to error location mainErr1REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-25 00:28:57,225 INFO L314 BlockEncoder]: Initial Icfg 8 locations, 8 edges [2024-09-25 00:28:57,225 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 00:28:57,225 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 00:28:57,225 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 00:28:57,225 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 00:28:57,225 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:28:57,247 INFO L101 BaseMinimizeStates]: Removed 14 edges and 6 locations by large block encoding [2024-09-25 00:28:57,247 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:28:57,247 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 00:28:57,247 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 00:28:57,247 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 00:28:57,252 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 00:28:57,254 INFO L520 InvariantChecker]: The annotation(s) from loop head L45-2 to loop head mainErr3ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-25 00:28:57,264 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 7 edges [2024-09-25 00:28:57,264 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 00:28:57,264 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 00:28:57,264 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 00:28:57,264 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 00:28:57,264 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:28:57,273 INFO L101 BaseMinimizeStates]: Removed 12 edges and 4 locations by large block encoding [2024-09-25 00:28:57,274 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:28:57,274 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 00:28:57,274 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 00:28:57,274 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 00:28:57,276 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 00:28:57,297 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 4 edges [2024-09-25 00:28:57,297 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 00:28:57,298 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 00:28:57,298 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 00:28:57,298 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 00:28:57,298 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:28:57,303 INFO L101 BaseMinimizeStates]: Removed 6 edges and 3 locations by large block encoding [2024-09-25 00:28:57,303 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:28:57,303 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 00:28:57,304 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 00:28:57,304 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 00:28:57,304 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 00:28:57,306 INFO L520 InvariantChecker]: The annotation(s) from loop head L45-2 to error location mainErr4REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-25 00:28:57,322 INFO L314 BlockEncoder]: Initial Icfg 9 locations, 10 edges [2024-09-25 00:28:57,322 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 00:28:57,322 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 00:28:57,323 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 00:28:57,323 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 00:28:57,323 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:28:57,355 INFO L101 BaseMinimizeStates]: Removed 22 edges and 7 locations by large block encoding [2024-09-25 00:28:57,357 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:28:57,357 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 00:28:57,358 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 00:28:57,358 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 00:28:57,358 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 00:28:57,360 INFO L520 InvariantChecker]: The annotation(s) from loop head L45-2 to error location mainErr6ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-25 00:28:57,370 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-25 00:28:57,370 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 00:28:57,370 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 00:28:57,371 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 00:28:57,371 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 00:28:57,371 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:28:57,374 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-25 00:28:57,375 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:28:57,375 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 00:28:57,375 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 00:28:57,375 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 00:28:57,375 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 00:28:57,376 INFO L520 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to error location ULTIMATE.startErr0REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-25 00:28:57,389 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 5 edges [2024-09-25 00:28:57,389 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 00:28:57,390 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 00:28:57,390 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 00:28:57,390 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 00:28:57,390 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:28:57,393 INFO L101 BaseMinimizeStates]: Removed 8 edges and 4 locations by large block encoding [2024-09-25 00:28:57,393 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:28:57,393 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 00:28:57,393 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 00:28:57,393 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 00:28:57,394 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 00:28:57,397 INFO L520 InvariantChecker]: The annotation(s) from entry mainENTRY to loop head mainErr2ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-25 00:28:57,405 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 5 edges [2024-09-25 00:28:57,405 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 00:28:57,405 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 00:28:57,406 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 00:28:57,406 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 00:28:57,406 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:28:57,417 INFO L101 BaseMinimizeStates]: Removed 8 edges and 4 locations by large block encoding [2024-09-25 00:28:57,417 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:28:57,417 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 00:28:57,418 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 00:28:57,418 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 00:28:57,418 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 00:28:57,425 INFO L520 InvariantChecker]: The annotation(s) from loop head L36-4 to loop head mainErr2ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-25 00:28:57,432 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 5 edges [2024-09-25 00:28:57,432 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 00:28:57,432 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 00:28:57,432 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 00:28:57,432 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 00:28:57,432 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:28:57,436 INFO L101 BaseMinimizeStates]: Removed 8 edges and 3 locations by large block encoding [2024-09-25 00:28:57,436 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:28:57,436 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 00:28:57,436 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 00:28:57,436 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 00:28:57,438 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 00:28:57,440 INFO L520 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-25 00:28:57,451 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-25 00:28:57,451 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 00:28:57,451 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 00:28:57,451 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 00:28:57,451 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 00:28:57,451 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:28:57,452 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-25 00:28:57,453 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:28:57,453 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 00:28:57,453 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 00:28:57,453 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 00:28:57,453 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 00:28:57,455 INFO L520 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION is inductive. [2024-09-25 00:28:57,463 INFO L58 RefereeStarter]: Annotation is not a valid proof of correctness. [2024-09-25 00:28:57,463 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@5984117a and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CFG 25.09 12:28:57, skipping insertion in model container [2024-09-25 00:28:57,463 INFO L131 PluginConnector]: ------------------------ END Referee---------------------------- [2024-09-25 00:28:57,465 INFO L158 Benchmark]: Toolchain (without parser) took 1418.90ms. Allocated memory is still 86.0MB. Free memory was 55.2MB in the beginning and 43.3MB in the end (delta: 11.9MB). Peak memory consumption was 26.2MB. Max. memory is 16.1GB. [2024-09-25 00:28:57,465 INFO L158 Benchmark]: CDTParser took 1.01ms. Allocated memory is still 60.8MB. Free memory was 43.3MB in the beginning and 43.2MB in the end (delta: 92.1kB). There was no memory consumed. Max. memory is 16.1GB. [2024-09-25 00:28:57,465 INFO L158 Benchmark]: Witness Parser took 0.26ms. Allocated memory is still 86.0MB. Free memory is still 57.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-25 00:28:57,466 INFO L158 Benchmark]: CACSL2BoogieTranslator took 362.00ms. Allocated memory is still 86.0MB. Free memory was 55.0MB in the beginning and 62.7MB in the end (delta: -7.7MB). Peak memory consumption was 13.3MB. Max. memory is 16.1GB. [2024-09-25 00:28:57,467 INFO L158 Benchmark]: Boogie Preprocessor took 59.87ms. Allocated memory is still 86.0MB. Free memory was 62.7MB in the beginning and 60.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-09-25 00:28:57,468 INFO L158 Benchmark]: RCFGBuilder took 485.38ms. Allocated memory is still 86.0MB. Free memory was 60.2MB in the beginning and 45.1MB in the end (delta: 15.1MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-09-25 00:28:57,469 INFO L158 Benchmark]: Referee took 505.67ms. Allocated memory is still 86.0MB. Free memory was 45.1MB in the beginning and 43.3MB in the end (delta: 1.8MB). Peak memory consumption was 17.0MB. Max. memory is 16.1GB. [2024-09-25 00:28:57,471 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, counter=2147483647, q=0, r=0 and ends in \old(counter)=0, A=0, b=1, counter=-2147483648, q=0, r=0. Annotation is valid for all loop-free paths from 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 check that a call to reach_error is unreachable at line 20. Annotation is valid for all loop-free paths from loop head at line 36 to loop head at line 36. Annotation is valid for all loop-free paths from loop head at line 40 to loop head 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 40 to check that procedure precondition always holds at line 41. Annotation is valid for all loop-free paths from entry of procedure main to check that procedure precondition always holds at line 31. Annotation is valid for all loop-free paths from entry of procedure ULTIMATE.start to check that procedure precondition always holds at line -1. Annotation is valid for all loop-free paths from entry of procedure __VERIFIER_assert to exit of procedure __VERIFIER_assert. Annotation is valid for all loop-free paths from loop head at line 40 to exit of procedure main. Annotation is valid for all loop-free paths from entry of procedure main to loop head at line 36. Annotation is valid for all loop-free paths from entry of procedure main to check that procedure precondition always holds at line 31. * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.01ms. Allocated memory is still 60.8MB. Free memory was 43.3MB in the beginning and 43.2MB in the end (delta: 92.1kB). There was no memory consumed. Max. memory is 16.1GB. * Witness Parser took 0.26ms. Allocated memory is still 86.0MB. Free memory is still 57.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 362.00ms. Allocated memory is still 86.0MB. Free memory was 55.0MB in the beginning and 62.7MB in the end (delta: -7.7MB). Peak memory consumption was 13.3MB. Max. memory is 16.1GB. * Boogie Preprocessor took 59.87ms. Allocated memory is still 86.0MB. Free memory was 62.7MB in the beginning and 60.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 485.38ms. Allocated memory is still 86.0MB. Free memory was 60.2MB in the beginning and 45.1MB in the end (delta: 15.1MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Referee took 505.67ms. Allocated memory is still 86.0MB. Free memory was 45.1MB in the beginning and 43.3MB in the end (delta: 1.8MB). Peak memory consumption was 17.0MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be incorrect! [2024-09-25 00:28:57,509 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