./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/nla-digbench-scaling/divbin_unwindbound2.i --full-output --witness-type correctness_witness --validate ../results/automizer-verification-files/SV-COMP24_unreach-call/divbin_unwindbound2.yml/witness-2.1.yml --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 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_unwindbound2.i ../results/automizer-verification-files/SV-COMP24_unreach-call/divbin_unwindbound2.yml/witness-2.1.yml -s /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Default.epf --cacsl2boogietranslator.entry.function main --traceabstraction.positions.where.we.compute.the.hoare.annotation None --- Real Ultimate output --- This is Ultimate 0.2.4-tmp.dk.referee-eval-6908dde-m [2024-09-25 00:28:43,522 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-25 00:28:43,607 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Default.epf [2024-09-25 00:28:43,611 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-25 00:28:43,612 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-25 00:28:43,647 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-25 00:28:43,648 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-25 00:28:43,648 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-25 00:28:43,649 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-25 00:28:43,651 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-25 00:28:43,652 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-25 00:28:43,652 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-25 00:28:43,653 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-25 00:28:43,655 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-25 00:28:43,655 INFO L153 SettingsManager]: * Use SBE=true [2024-09-25 00:28:43,656 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-25 00:28:43,656 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-25 00:28:43,656 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-25 00:28:43,657 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-09-25 00:28:43,657 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-25 00:28:43,657 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-25 00:28:43,658 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-25 00:28:43,661 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-25 00:28:43,662 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-25 00:28:43,662 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-25 00:28:43,663 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-25 00:28:43,663 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-25 00:28:43,663 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-25 00:28:43,663 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-25 00:28:43,664 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-25 00:28:43,664 INFO L153 SettingsManager]: * Future-live optimization=false [2024-09-25 00:28:43,664 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-25 00:28:43,664 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-25 00:28:43,664 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-25 00:28:43,665 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-25 00:28:43,665 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-25 00:28:43,666 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-25 00:28:43,666 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-09-25 00:28:43,666 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-09-25 00:28:43,666 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-25 00:28:43,667 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-25 00:28:43,668 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-25 00:28:43,668 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-25 00:28:43,668 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None [2024-09-25 00:28:43,923 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-25 00:28:43,949 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-25 00:28:43,952 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-25 00:28:43,954 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-25 00:28:43,955 INFO L274 PluginConnector]: CDTParser initialized [2024-09-25 00:28:43,956 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/nla-digbench-scaling/divbin_unwindbound2.i [2024-09-25 00:28:45,467 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-25 00:28:45,656 INFO L384 CDTParser]: Found 1 translation units. [2024-09-25 00:28:45,657 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench-scaling/divbin_unwindbound2.i [2024-09-25 00:28:45,663 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/c0a3149fc/83c41c49d7b0420db8539127735dff27/FLAG2cd52ddd5 [2024-09-25 00:28:46,045 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/c0a3149fc/83c41c49d7b0420db8539127735dff27 [2024-09-25 00:28:46,047 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-25 00:28:46,048 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-25 00:28:46,048 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/automizer-verification-files/SV-COMP24_unreach-call/divbin_unwindbound2.yml/witness-2.1.yml [2024-09-25 00:28:46,111 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-25 00:28:46,112 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-09-25 00:28:46,114 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-25 00:28:46,115 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-25 00:28:46,119 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-25 00:28:46,120 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 12:28:46" (1/2) ... [2024-09-25 00:28:46,123 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2553df98 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:28:46, skipping insertion in model container [2024-09-25 00:28:46,124 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 12:28:46" (1/2) ... [2024-09-25 00:28:46,125 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@4d7dca8d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:28:46, skipping insertion in model container [2024-09-25 00:28:46,125 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 12:28:46" (2/2) ... [2024-09-25 00:28:46,126 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2553df98 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 25.09 12:28:46, skipping insertion in model container [2024-09-25 00:28:46,126 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 12:28:46" (2/2) ... [2024-09-25 00:28:46,139 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-25 00:28:46,141 INFO L1541 ArrayList]: Loop invariant at [L36-L39] ((\old(counter) == 0) && (((((2 <= counter) && (A == r)) && (q == 0)) || ((((A == r) && (counter == 0)) && (B == b)) && (q == 0))) || (((A == r) && (q == 0)) && (counter == 1)))) [2024-09-25 00:28:46,141 INFO L1541 ArrayList]: Loop invariant at [L40-L49] (((((2 <= counter) && (A == r)) && (q == 0)) || (((A == r) && (B == b)) && (q == 0))) && (\old(counter) == 0)) [2024-09-25 00:28:46,142 INFO L1541 ArrayList]: Function contract at [L15]: requires (counter == 0), ensures (counter == 0) [2024-09-25 00:28:46,142 INFO L1541 ArrayList]: Function contract at [L26]: requires (counter == 0), ensures (\old(counter) == 0) [2024-09-25 00:28:46,142 INFO L1541 ArrayList]: Function contract at [L18]: requires (1 <= cond), ensures (1 <= cond) [2024-09-25 00:28:46,162 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-25 00:28:46,323 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench-scaling/divbin_unwindbound2.i[950,963] [2024-09-25 00:28:46,343 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-25 00:28:46,353 INFO L200 MainTranslator]: Completed pre-run Start Parsing Global Start Parsing Global Start Parsing Global Start Parsing Global [2024-09-25 00:28:46,403 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench-scaling/divbin_unwindbound2.i[950,963] Start Parsing Global Start Parsing Global Start Parsing Local Start Parsing Local [2024-09-25 00:28:46,421 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-25 00:28:46,439 INFO L204 MainTranslator]: Completed translation [2024-09-25 00:28:46,440 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 25.09 12:28:46 WrapperNode [2024-09-25 00:28:46,440 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-25 00:28:46,441 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-25 00:28:46,442 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-25 00:28:46,442 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-25 00:28:46,455 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 12:28:46" (1/1) ... [2024-09-25 00:28:46,455 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 12:28:46" (1/1) ... [2024-09-25 00:28:46,462 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 12:28:46" (1/1) ... [2024-09-25 00:28:46,472 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 00:28:46,476 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 12:28:46" (1/1) ... [2024-09-25 00:28:46,476 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 12:28:46" (1/1) ... [2024-09-25 00:28:46,480 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 12:28:46" (1/1) ... [2024-09-25 00:28:46,488 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 12:28:46" (1/1) ... [2024-09-25 00:28:46,489 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 12:28:46" (1/1) ... [2024-09-25 00:28:46,489 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 12:28:46" (1/1) ... [2024-09-25 00:28:46,491 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-25 00:28:46,492 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-25 00:28:46,492 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-25 00:28:46,492 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-25 00:28:46,493 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 12:28:46" (1/1) ... [2024-09-25 00:28:46,498 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-25 00:28:46,508 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-09-25 00:28:46,522 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 00:28:46,524 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 00:28:46,568 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-09-25 00:28:46,568 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-25 00:28:46,569 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-09-25 00:28:46,569 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-09-25 00:28:46,569 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-09-25 00:28:46,569 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-09-25 00:28:46,569 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-09-25 00:28:46,569 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-09-25 00:28:46,569 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_perror_fail [2024-09-25 00:28:46,569 INFO L130 BoogieDeclarations]: Found specification of procedure __assert [2024-09-25 00:28:46,570 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-09-25 00:28:46,570 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-25 00:28:46,570 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2024-09-25 00:28:46,570 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-09-25 00:28:46,570 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-09-25 00:28:46,570 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-09-25 00:28:46,570 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-09-25 00:28:46,570 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-09-25 00:28:46,571 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-25 00:28:46,571 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-09-25 00:28:46,571 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-09-25 00:28:46,571 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-09-25 00:28:46,636 INFO L241 CfgBuilder]: Building ICFG [2024-09-25 00:28:46,640 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-25 00:28:46,664 WARN L782 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-25 00:28:46,684 WARN L782 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-25 00:28:46,817 WARN L782 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-25 00:28:46,831 INFO L290 CfgBuilder]: Performing block encoding [2024-09-25 00:28:46,867 INFO L312 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-25 00:28:46,868 INFO L317 CfgBuilder]: Removed 2 assume(true) statements. [2024-09-25 00:28:46,868 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 12:28:46 BoogieIcfgContainer [2024-09-25 00:28:46,868 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-25 00:28:46,869 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-09-25 00:28:46,870 INFO L270 PluginConnector]: Initializing Referee... [2024-09-25 00:28:46,871 INFO L274 PluginConnector]: Referee initialized [2024-09-25 00:28:46,871 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 25.09 12:28:46" (1/4) ... [2024-09-25 00:28:46,874 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@761c0f72 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 00:28:46,874 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 12:28:46" (2/4) ... [2024-09-25 00:28:46,875 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@761c0f72 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 00:28:46,875 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 12:28:46" (3/4) ... [2024-09-25 00:28:46,875 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@761c0f72 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 00:28:46,875 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 12:28:46" (4/4) ... [2024-09-25 00:28:46,877 INFO L79 RefereeObserver]: Analyzing ICFG divbin_unwindbound2.i [2024-09-25 00:28:46,881 INFO L113 InvariantChecker]: Found 2 loops. [2024-09-25 00:28:46,882 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 00:28:46,883 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 00:28:46,883 INFO L373 InvariantChecker]: Will check inductivity from ENTRY mainENTRY to ERROR_LOC mainErr0REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 2 edges. [2024-09-25 00:28:46,883 INFO L373 InvariantChecker]: Will check inductivity from ENTRY mainENTRY to ERROR_LOC mainErr1REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 3 edges. [2024-09-25 00:28:46,884 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 00:28:46,884 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 00:28:46,885 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 00:28:46,885 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 00:28:46,885 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 00:28:46,886 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 00:28:46,886 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 00:28:46,886 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 00:28:46,886 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 00:28:46,887 INFO L131 InvariantChecker]: Will check 3 loop-free subgraphs from loop head to loop head, 3 loop-free subgraphs from loop head to error location, 6 loop-free subgraphs from procedure entry to error location, 1 loop-free subgraphs from procedure entry to loop head [2024-09-25 00:28:46,953 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 4 edges [2024-09-25 00:28:46,955 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 00:28:46,956 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 00:28:46,956 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 00:28:46,958 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 00:28:46,960 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:28:46,971 INFO L101 BaseMinimizeStates]: Removed 6 edges and 2 locations by large block encoding [2024-09-25 00:28:46,976 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:28:46,977 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 00:28:46,977 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 00:28:46,977 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 00:28:46,982 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 00:28:46,999 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 00:28:47,061 INFO L314 BlockEncoder]: Initial Icfg 7 locations, 8 edges [2024-09-25 00:28:47,065 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 00:28:47,065 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 00:28:47,065 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 00:28:47,066 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 00:28:47,066 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:28:47,094 INFO L101 BaseMinimizeStates]: Removed 14 edges and 5 locations by large block encoding [2024-09-25 00:28:47,094 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:28:47,094 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 00:28:47,095 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 00:28:47,095 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 00:28:47,100 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 00:28:51,104 INFO L516 InvariantChecker]: unknown inductivity: todo good error message [2024-09-25 00:28:51,122 INFO L314 BlockEncoder]: Initial Icfg 3 locations, 2 edges [2024-09-25 00:28:51,123 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 00:28:51,123 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 00:28:51,123 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 00:28:51,124 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 00:28:51,124 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:28:51,125 INFO L101 BaseMinimizeStates]: Removed 2 edges and 1 locations by large block encoding [2024-09-25 00:28:51,125 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:28:51,125 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 00:28:51,125 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 00:28:51,125 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 00:28:51,126 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 00:28:51,127 INFO L520 InvariantChecker]: The annotation(s) from entry mainENTRY to error location mainErr0REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-25 00:28:51,156 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-25 00:28:51,156 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 00:28:51,156 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 00:28:51,156 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 00:28:51,157 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 00:28:51,157 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:28:51,160 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-25 00:28:51,162 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:28:51,162 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 00:28:51,163 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 00:28:51,163 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 00:28:51,163 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 00:28:51,169 INFO L520 InvariantChecker]: The annotation(s) from entry mainENTRY to error location mainErr1REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-25 00:28:51,192 INFO L314 BlockEncoder]: Initial Icfg 8 locations, 8 edges [2024-09-25 00:28:51,193 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 00:28:51,193 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 00:28:51,193 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 00:28:51,193 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 00:28:51,193 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:28:51,224 INFO L101 BaseMinimizeStates]: Removed 14 edges and 6 locations by large block encoding [2024-09-25 00:28:51,224 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:28:51,224 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 00:28:51,225 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 00:28:51,225 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 00:28:51,232 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 00:28:51,243 INFO L520 InvariantChecker]: The annotation(s) from loop head L45-2 to loop head mainErr3ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-25 00:28:51,264 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 7 edges [2024-09-25 00:28:51,264 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 00:28:51,264 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 00:28:51,264 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 00:28:51,265 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 00:28:51,265 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:28:51,278 INFO L101 BaseMinimizeStates]: Removed 12 edges and 4 locations by large block encoding [2024-09-25 00:28:51,279 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:28:51,279 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 00:28:51,279 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 00:28:51,279 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 00:28:51,284 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 00:28:51,287 INFO L520 InvariantChecker]: The annotation(s) from loop head L36-4 to loop head mainErr3ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-25 00:28:51,298 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 4 edges [2024-09-25 00:28:51,299 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 00:28:51,299 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 00:28:51,299 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 00:28:51,300 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 00:28:51,300 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:28:51,306 INFO L101 BaseMinimizeStates]: Removed 6 edges and 3 locations by large block encoding [2024-09-25 00:28:51,307 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:28:51,307 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 00:28:51,307 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 00:28:51,307 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 00:28:51,307 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 00:28:55,313 INFO L516 InvariantChecker]: unknown inductivity: todo good error message [2024-09-25 00:28:55,335 INFO L314 BlockEncoder]: Initial Icfg 9 locations, 10 edges [2024-09-25 00:28:55,338 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 00:28:55,338 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 00:28:55,338 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 00:28:55,338 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 00:28:55,338 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:28:55,358 INFO L101 BaseMinimizeStates]: Removed 22 edges and 7 locations by large block encoding [2024-09-25 00:28:55,359 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:28:55,359 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 00:28:55,360 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 00:28:55,360 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 00:28:55,361 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 00:28:55,364 INFO L520 InvariantChecker]: The annotation(s) from loop head L45-2 to error location mainErr6ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-25 00:28:55,374 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-25 00:28:55,374 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 00:28:55,375 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 00:28:55,375 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 00:28:55,375 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 00:28:55,375 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:28:55,376 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-25 00:28:55,376 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:28:55,377 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 00:28:55,377 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 00:28:55,377 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 00:28:55,377 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 00:28:55,379 INFO L520 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to error location ULTIMATE.startErr0REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-25 00:28:55,389 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 5 edges [2024-09-25 00:28:55,389 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 00:28:55,390 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 00:28:55,390 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 00:28:55,390 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 00:28:55,390 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:28:55,393 INFO L101 BaseMinimizeStates]: Removed 8 edges and 4 locations by large block encoding [2024-09-25 00:28:55,393 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:28:55,394 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 00:28:55,394 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 00:28:55,394 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 00:28:55,394 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 00:28:55,398 INFO L520 InvariantChecker]: The annotation(s) from entry mainENTRY to loop head mainErr2ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-25 00:28:55,407 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 5 edges [2024-09-25 00:28:55,407 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 00:28:55,407 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 00:28:55,407 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 00:28:55,407 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 00:28:55,407 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:28:55,415 INFO L101 BaseMinimizeStates]: Removed 8 edges and 4 locations by large block encoding [2024-09-25 00:28:55,416 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:28:55,416 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 00:28:55,416 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 00:28:55,416 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 00:28:55,416 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 00:28:55,419 INFO L520 InvariantChecker]: The annotation(s) from loop head L36-4 to loop head mainErr2ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-25 00:28:55,427 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 5 edges [2024-09-25 00:28:55,428 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 00:28:55,428 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 00:28:55,428 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 00:28:55,428 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 00:28:55,429 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:28:55,430 INFO L101 BaseMinimizeStates]: Removed 8 edges and 3 locations by large block encoding [2024-09-25 00:28:55,431 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:28:55,431 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 00:28:55,431 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 00:28:55,431 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 00:28:55,432 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 00:28:55,433 INFO L520 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-25 00:28:55,441 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-25 00:28:55,441 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 00:28:55,441 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 00:28:55,441 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 00:28:55,442 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 00:28:55,442 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:28:55,443 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-25 00:28:55,443 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:28:55,443 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 00:28:55,443 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 00:28:55,444 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 00:28:55,444 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 00:28:55,445 INFO L520 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION is inductive. [2024-09-25 00:28:55,449 INFO L58 RefereeStarter]: Insufficient resources for checking whether annotation is a valid proof of correctness. [2024-09-25 00:28:55,449 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@761c0f72 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CFG 25.09 12:28:55, skipping insertion in model container [2024-09-25 00:28:55,450 INFO L131 PluginConnector]: ------------------------ END Referee---------------------------- [2024-09-25 00:28:55,451 INFO L158 Benchmark]: Toolchain (without parser) took 9338.79ms. Allocated memory was 159.4MB in the beginning and 205.5MB in the end (delta: 46.1MB). Free memory was 102.3MB in the beginning and 117.7MB in the end (delta: -15.4MB). Peak memory consumption was 49.3MB. Max. memory is 16.1GB. [2024-09-25 00:28:55,452 INFO L158 Benchmark]: CDTParser took 0.19ms. Allocated memory is still 159.4MB. Free memory is still 120.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-25 00:28:55,453 INFO L158 Benchmark]: Witness Parser took 0.11ms. Allocated memory is still 159.4MB. Free memory is still 104.4MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-25 00:28:55,453 INFO L158 Benchmark]: CACSL2BoogieTranslator took 326.30ms. Allocated memory is still 159.4MB. Free memory was 102.3MB in the beginning and 88.1MB in the end (delta: 14.2MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-09-25 00:28:55,453 INFO L158 Benchmark]: Boogie Preprocessor took 50.17ms. Allocated memory is still 159.4MB. Free memory was 88.1MB in the beginning and 86.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-09-25 00:28:55,454 INFO L158 Benchmark]: RCFGBuilder took 376.23ms. Allocated memory is still 159.4MB. Free memory was 86.0MB in the beginning and 70.9MB in the end (delta: 15.1MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-09-25 00:28:55,454 INFO L158 Benchmark]: Referee took 8580.79ms. Allocated memory was 159.4MB in the beginning and 205.5MB in the end (delta: 46.1MB). Free memory was 70.9MB in the beginning and 117.7MB in the end (delta: -46.8MB). Peak memory consumption was 17.8MB. Max. memory is 16.1GB. [2024-09-25 00:28:55,459 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.referee: - AnnotationCheckResult: Insufficient resources for checking whether annotation is a valid proof of correctness. Insufficient resources for checking whether annotation is a valid proof of correctness. Insufficient resources for checking whether annotation is valid for all loop-free paths from loop head at line 40 to check that procedure precondition always holds at line 41. Insufficient resources for checking whether annotation is valid for all loop-free paths from loop head at line 40 to check that procedure precondition always holds at line 40. Annotation is valid for all loop-free paths from loop head at line 40 to loop head at line 40. Annotation is valid for all loop-free paths from loop head at line 40 to exit of procedure main. Annotation is valid for all loop-free paths from entry of procedure ULTIMATE.start to check that procedure precondition always holds at line -1. Annotation is valid for all loop-free paths from loop head at line 36 to loop head at line 36. Annotation is valid for all loop-free paths from entry of procedure __VERIFIER_assert to exit of procedure __VERIFIER_assert. Annotation is valid for all loop-free paths from entry of procedure main to check that procedure precondition always holds at line 31. Annotation is valid for all loop-free paths from entry of procedure assume_abort_if_not to exit of procedure assume_abort_if_not. Annotation is valid for all loop-free paths from entry of procedure main to check that procedure precondition always holds at line 31. Annotation is valid for all loop-free paths from loop head at line 36 to loop head at line 40. Annotation is valid for all loop-free paths from entry of procedure main to loop head at line 36. Annotation is valid for all loop-free paths from entry of procedure __VERIFIER_assert to check that a call to reach_error is unreachable at line 20. * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19ms. Allocated memory is still 159.4MB. Free memory is still 120.2MB. There was no memory consumed. Max. memory is 16.1GB. * Witness Parser took 0.11ms. Allocated memory is still 159.4MB. Free memory is still 104.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 326.30ms. Allocated memory is still 159.4MB. Free memory was 102.3MB in the beginning and 88.1MB in the end (delta: 14.2MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Preprocessor took 50.17ms. Allocated memory is still 159.4MB. Free memory was 88.1MB in the beginning and 86.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 376.23ms. Allocated memory is still 159.4MB. Free memory was 86.0MB in the beginning and 70.9MB in the end (delta: 15.1MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Referee took 8580.79ms. Allocated memory was 159.4MB in the beginning and 205.5MB in the end (delta: 46.1MB). Free memory was 70.9MB in the beginning and 117.7MB in the end (delta: -46.8MB). Peak memory consumption was 17.8MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-09-25 00:28:55,491 INFO L552 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/referee/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/bin/java -Dosgi.configuration.area=/storage/repos/certificate-witnesses-artifact/referee/data/config -Xmx15G -Xms4m -jar /storage/repos/certificate-witnesses-artifact/referee/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/certificate-witnesses-artifact/referee/data -tc /storage/repos/certificate-witnesses-artifact/referee/config/RefereeReachWitnessValidation.xml -i ../sv-benchmarks/c/nla-digbench-scaling/divbin_unwindbound2.i ../results/automizer-verification-files/SV-COMP24_unreach-call/divbin_unwindbound2.yml/witness-2.1.yml -s /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Bitvector.epf --cacsl2boogietranslator.entry.function main --traceabstraction.positions.where.we.compute.the.hoare.annotation None --- Real Ultimate output --- This is Ultimate 0.2.4-tmp.dk.referee-eval-6908dde-m [2024-09-25 00:28:57,793 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-25 00:28:57,871 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Bitvector.epf [2024-09-25 00:28:57,878 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-25 00:28:57,879 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-25 00:28:57,915 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-25 00:28:57,918 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-25 00:28:57,919 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-25 00:28:57,919 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-25 00:28:57,920 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-25 00:28:57,921 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-25 00:28:57,921 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-25 00:28:57,924 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-25 00:28:57,925 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-25 00:28:57,925 INFO L153 SettingsManager]: * Use SBE=true [2024-09-25 00:28:57,925 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-25 00:28:57,926 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-25 00:28:57,926 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-25 00:28:57,926 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-25 00:28:57,927 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-25 00:28:57,929 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-25 00:28:57,930 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-25 00:28:57,930 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-25 00:28:57,934 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-09-25 00:28:57,934 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-09-25 00:28:57,934 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-25 00:28:57,935 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-09-25 00:28:57,935 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-25 00:28:57,935 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-25 00:28:57,936 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-25 00:28:57,936 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-25 00:28:57,936 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-25 00:28:57,936 INFO L153 SettingsManager]: * Future-live optimization=false [2024-09-25 00:28:57,937 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-25 00:28:57,937 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-25 00:28:57,937 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-25 00:28:57,938 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-25 00:28:57,938 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-25 00:28:57,938 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-25 00:28:57,938 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-09-25 00:28:57,939 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-09-25 00:28:57,940 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-25 00:28:57,940 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-25 00:28:57,941 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-25 00:28:57,941 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-25 00:28:57,942 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2024-09-25 00:28:57,942 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None [2024-09-25 00:28:58,260 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-25 00:28:58,284 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-25 00:28:58,288 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-25 00:28:58,289 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-25 00:28:58,289 INFO L274 PluginConnector]: CDTParser initialized [2024-09-25 00:28:58,292 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/nla-digbench-scaling/divbin_unwindbound2.i [2024-09-25 00:28:59,825 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-25 00:29:00,031 INFO L384 CDTParser]: Found 1 translation units. [2024-09-25 00:29:00,032 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench-scaling/divbin_unwindbound2.i [2024-09-25 00:29:00,041 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/3f3c8a5fe/0013c49006a842e7ab0e9b24bbf2c97f/FLAGc7ed77e7f [2024-09-25 00:29:00,061 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/3f3c8a5fe/0013c49006a842e7ab0e9b24bbf2c97f [2024-09-25 00:29:00,065 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-25 00:29:00,066 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-25 00:29:00,067 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/automizer-verification-files/SV-COMP24_unreach-call/divbin_unwindbound2.yml/witness-2.1.yml [2024-09-25 00:29:00,129 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-25 00:29:00,131 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-09-25 00:29:00,133 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-25 00:29:00,133 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-25 00:29:00,138 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-25 00:29:00,139 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 12:29:00" (1/2) ... [2024-09-25 00:29:00,143 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@38148fa6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:29:00, skipping insertion in model container [2024-09-25 00:29:00,143 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 12:29:00" (1/2) ... [2024-09-25 00:29:00,145 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@75e20e48 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:29:00, skipping insertion in model container [2024-09-25 00:29:00,145 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 12:29:00" (2/2) ... [2024-09-25 00:29:00,146 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@38148fa6 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 25.09 12:29:00, skipping insertion in model container [2024-09-25 00:29:00,146 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 12:29:00" (2/2) ... [2024-09-25 00:29:00,160 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-25 00:29:00,164 INFO L1541 ArrayList]: Loop invariant at [L40-L49] (((((2 <= counter) && (A == r)) && (q == 0)) || (((A == r) && (B == b)) && (q == 0))) && (\old(counter) == 0)) [2024-09-25 00:29:00,165 INFO L1541 ArrayList]: Loop invariant at [L36-L39] ((\old(counter) == 0) && (((((2 <= counter) && (A == r)) && (q == 0)) || ((((A == r) && (counter == 0)) && (B == b)) && (q == 0))) || (((A == r) && (q == 0)) && (counter == 1)))) [2024-09-25 00:29:00,165 INFO L1541 ArrayList]: Function contract at [L15]: requires (counter == 0), ensures (counter == 0) [2024-09-25 00:29:00,165 INFO L1541 ArrayList]: Function contract at [L26]: requires (counter == 0), ensures (\old(counter) == 0) [2024-09-25 00:29:00,165 INFO L1541 ArrayList]: Function contract at [L18]: requires (1 <= cond), ensures (1 <= cond) [2024-09-25 00:29:00,188 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-25 00:29:00,370 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench-scaling/divbin_unwindbound2.i[950,963] [2024-09-25 00:29:00,397 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-25 00:29:00,409 INFO L200 MainTranslator]: Completed pre-run Start Parsing Global Start Parsing Global Start Parsing Global Start Parsing Global [2024-09-25 00:29:00,451 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench-scaling/divbin_unwindbound2.i[950,963] Start Parsing Global Start Parsing Global Start Parsing Local Start Parsing Local [2024-09-25 00:29:00,470 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-25 00:29:00,488 INFO L204 MainTranslator]: Completed translation [2024-09-25 00:29:00,489 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 25.09 12:29:00 WrapperNode [2024-09-25 00:29:00,489 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-25 00:29:00,490 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-25 00:29:00,490 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-25 00:29:00,490 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-25 00:29:00,503 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 12:29:00" (1/1) ... [2024-09-25 00:29:00,503 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 12:29:00" (1/1) ... [2024-09-25 00:29:00,517 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 12:29:00" (1/1) ... [2024-09-25 00:29:00,530 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 00:29:00,534 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 12:29:00" (1/1) ... [2024-09-25 00:29:00,534 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 12:29:00" (1/1) ... [2024-09-25 00:29:00,543 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 12:29:00" (1/1) ... [2024-09-25 00:29:00,548 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 12:29:00" (1/1) ... [2024-09-25 00:29:00,550 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 12:29:00" (1/1) ... [2024-09-25 00:29:00,554 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 12:29:00" (1/1) ... [2024-09-25 00:29:00,557 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-25 00:29:00,558 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-25 00:29:00,558 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-25 00:29:00,558 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-25 00:29:00,559 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 12:29:00" (1/1) ... [2024-09-25 00:29:00,565 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-25 00:29:00,574 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-09-25 00:29:00,592 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 00:29:00,595 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 00:29:00,643 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-09-25 00:29:00,644 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-25 00:29:00,644 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-09-25 00:29:00,644 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-09-25 00:29:00,644 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-09-25 00:29:00,644 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-09-25 00:29:00,644 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-09-25 00:29:00,645 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-09-25 00:29:00,645 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_perror_fail [2024-09-25 00:29:00,645 INFO L130 BoogieDeclarations]: Found specification of procedure __assert [2024-09-25 00:29:00,645 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-09-25 00:29:00,645 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-25 00:29:00,646 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2024-09-25 00:29:00,646 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-09-25 00:29:00,646 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-09-25 00:29:00,646 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-09-25 00:29:00,646 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-09-25 00:29:00,646 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-09-25 00:29:00,647 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-25 00:29:00,648 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2024-09-25 00:29:00,648 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2024-09-25 00:29:00,648 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-09-25 00:29:00,753 INFO L241 CfgBuilder]: Building ICFG [2024-09-25 00:29:00,756 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-25 00:29:00,786 WARN L782 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-25 00:29:00,823 WARN L782 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-25 00:29:01,037 WARN L782 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-25 00:29:01,051 INFO L290 CfgBuilder]: Performing block encoding [2024-09-25 00:29:01,084 INFO L312 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-25 00:29:01,085 INFO L317 CfgBuilder]: Removed 2 assume(true) statements. [2024-09-25 00:29:01,085 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 12:29:01 BoogieIcfgContainer [2024-09-25 00:29:01,085 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-25 00:29:01,086 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-09-25 00:29:01,087 INFO L270 PluginConnector]: Initializing Referee... [2024-09-25 00:29:01,088 INFO L274 PluginConnector]: Referee initialized [2024-09-25 00:29:01,088 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 25.09 12:29:00" (1/4) ... [2024-09-25 00:29:01,089 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@1d3e231d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 25.09 12:29:01, skipping insertion in model container [2024-09-25 00:29:01,089 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 12:29:00" (2/4) ... [2024-09-25 00:29:01,089 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@1d3e231d and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 25.09 12:29:01, skipping insertion in model container [2024-09-25 00:29:01,090 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 12:29:00" (3/4) ... [2024-09-25 00:29:01,090 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@1d3e231d and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 25.09 12:29:01, skipping insertion in model container [2024-09-25 00:29:01,090 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 12:29:01" (4/4) ... [2024-09-25 00:29:01,091 INFO L79 RefereeObserver]: Analyzing ICFG divbin_unwindbound2.i [2024-09-25 00:29:01,097 INFO L113 InvariantChecker]: Found 2 loops. [2024-09-25 00:29:01,098 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 00:29:01,098 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 00:29:01,099 INFO L373 InvariantChecker]: Will check inductivity from ENTRY mainENTRY to ERROR_LOC mainErr0REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 2 edges. [2024-09-25 00:29:01,099 INFO L373 InvariantChecker]: Will check inductivity from ENTRY mainENTRY to ERROR_LOC mainErr1REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 3 edges. [2024-09-25 00:29:01,099 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 00:29:01,099 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 00:29:01,099 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 00:29:01,100 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 00:29:01,100 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 00:29:01,100 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 00:29:01,100 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 00:29:01,100 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 00:29:01,101 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 00:29:01,101 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, 3 loop-free subgraphs from loop head to loop head, 6 loop-free subgraphs from procedure entry to error location [2024-09-25 00:29:01,177 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 4 edges [2024-09-25 00:29:01,178 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 00:29:01,178 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 00:29:01,178 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 00:29:01,179 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 00:29:01,182 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:29:01,196 INFO L101 BaseMinimizeStates]: Removed 6 edges and 2 locations by large block encoding [2024-09-25 00:29:01,199 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:29:01,199 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 00:29:01,199 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 00:29:01,199 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 00:29:01,204 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 00:29:01,220 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 00:29:01,244 INFO L314 BlockEncoder]: Initial Icfg 7 locations, 8 edges [2024-09-25 00:29:01,244 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 00:29:01,245 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 00:29:01,245 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 00:29:01,245 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 00:29:01,245 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:29:01,269 INFO L101 BaseMinimizeStates]: Removed 14 edges and 5 locations by large block encoding [2024-09-25 00:29:01,273 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:29:01,273 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 00:29:01,274 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 00:29:01,274 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 00:29:01,277 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 00:29:01,307 INFO L520 InvariantChecker]: The annotation(s) from loop head L45-2 to error location mainErr5REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-25 00:29:01,334 INFO L314 BlockEncoder]: Initial Icfg 3 locations, 2 edges [2024-09-25 00:29:01,337 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 00:29:01,337 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 00:29:01,338 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 00:29:01,338 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 00:29:01,338 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:29:01,339 INFO L101 BaseMinimizeStates]: Removed 2 edges and 1 locations by large block encoding [2024-09-25 00:29:01,339 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:29:01,339 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 00:29:01,339 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 00:29:01,339 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 00:29:01,340 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 00:29:01,342 INFO L520 InvariantChecker]: The annotation(s) from entry mainENTRY to error location mainErr0REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-25 00:29:01,362 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-25 00:29:01,363 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 00:29:01,363 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 00:29:01,363 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 00:29:01,363 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 00:29:01,363 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:29:01,365 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-25 00:29:01,365 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:29:01,365 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 00:29:01,365 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 00:29:01,365 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 00:29:01,365 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 00:29:01,369 INFO L520 InvariantChecker]: The annotation(s) from entry mainENTRY to error location mainErr1REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-25 00:29:01,397 INFO L314 BlockEncoder]: Initial Icfg 8 locations, 8 edges [2024-09-25 00:29:01,400 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 00:29:01,400 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 00:29:01,401 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 00:29:01,401 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 00:29:01,401 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:29:01,445 INFO L101 BaseMinimizeStates]: Removed 14 edges and 6 locations by large block encoding [2024-09-25 00:29:01,449 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:29:01,449 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 00:29:01,449 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 00:29:01,449 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 00:29:01,460 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 00:29:01,475 INFO L520 InvariantChecker]: The annotation(s) from loop head L45-2 to loop head mainErr3ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-25 00:29:01,503 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 7 edges [2024-09-25 00:29:01,503 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 00:29:01,504 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 00:29:01,505 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 00:29:01,506 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 00:29:01,506 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:29:01,522 INFO L101 BaseMinimizeStates]: Removed 12 edges and 4 locations by large block encoding [2024-09-25 00:29:01,522 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:29:01,522 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 00:29:01,523 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 00:29:01,523 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 00:29:01,525 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 00:29:01,557 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 4 edges [2024-09-25 00:29:01,559 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 00:29:01,559 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 00:29:01,559 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 00:29:01,560 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 00:29:01,560 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:29:01,567 INFO L101 BaseMinimizeStates]: Removed 6 edges and 3 locations by large block encoding [2024-09-25 00:29:01,567 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:29:01,568 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 00:29:01,569 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 00:29:01,570 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 00:29:01,570 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 00:29:01,591 INFO L520 InvariantChecker]: The annotation(s) from loop head L45-2 to error location mainErr4REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-25 00:29:01,613 INFO L314 BlockEncoder]: Initial Icfg 9 locations, 10 edges [2024-09-25 00:29:01,613 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 00:29:01,614 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 00:29:01,614 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 00:29:01,614 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 00:29:01,614 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:29:01,633 INFO L101 BaseMinimizeStates]: Removed 22 edges and 7 locations by large block encoding [2024-09-25 00:29:01,634 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:29:01,634 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 00:29:01,634 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 00:29:01,634 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 00:29:01,635 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 00:29:01,637 INFO L520 InvariantChecker]: The annotation(s) from loop head L45-2 to error location mainErr6ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-25 00:29:01,645 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-25 00:29:01,646 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 00:29:01,646 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 00:29:01,646 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 00:29:01,646 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 00:29:01,647 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:29:01,647 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-25 00:29:01,648 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:29:01,648 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 00:29:01,648 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 00:29:01,648 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 00:29:01,648 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 00:29:01,650 INFO L520 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to error location ULTIMATE.startErr0REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-25 00:29:01,658 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 5 edges [2024-09-25 00:29:01,658 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 00:29:01,658 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 00:29:01,659 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 00:29:01,659 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 00:29:01,659 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:29:01,662 INFO L101 BaseMinimizeStates]: Removed 8 edges and 4 locations by large block encoding [2024-09-25 00:29:01,662 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:29:01,662 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 00:29:01,662 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 00:29:01,662 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 00:29:01,663 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 00:29:01,665 INFO L520 InvariantChecker]: The annotation(s) from entry mainENTRY to loop head mainErr2ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-25 00:29:01,684 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 5 edges [2024-09-25 00:29:01,684 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 00:29:01,684 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 00:29:01,684 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 00:29:01,685 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 00:29:01,685 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:29:01,700 INFO L101 BaseMinimizeStates]: Removed 8 edges and 4 locations by large block encoding [2024-09-25 00:29:01,700 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:29:01,700 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 00:29:01,701 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 00:29:01,701 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 00:29:01,701 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 00:29:01,709 INFO L520 InvariantChecker]: The annotation(s) from loop head L36-4 to loop head mainErr2ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-25 00:29:01,725 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 5 edges [2024-09-25 00:29:01,726 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 00:29:01,726 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 00:29:01,726 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 00:29:01,726 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 00:29:01,727 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:29:01,729 INFO L101 BaseMinimizeStates]: Removed 8 edges and 3 locations by large block encoding [2024-09-25 00:29:01,731 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:29:01,731 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 00:29:01,732 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 00:29:01,732 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 00:29:01,734 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 00:29:01,735 INFO L520 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-25 00:29:01,749 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-25 00:29:01,749 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 00:29:01,749 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 00:29:01,750 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 00:29:01,750 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 00:29:01,750 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:29:01,751 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-25 00:29:01,752 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:29:01,752 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 00:29:01,752 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 00:29:01,752 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 00:29:01,752 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 00:29:01,755 INFO L520 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION is inductive. [2024-09-25 00:29:01,765 INFO L58 RefereeStarter]: Annotation is not a valid proof of correctness. [2024-09-25 00:29:01,768 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@1d3e231d and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CFG 25.09 12:29:01, skipping insertion in model container [2024-09-25 00:29:01,769 INFO L131 PluginConnector]: ------------------------ END Referee---------------------------- [2024-09-25 00:29:01,770 INFO L158 Benchmark]: Toolchain (without parser) took 1639.01ms. Allocated memory was 77.6MB in the beginning and 98.6MB in the end (delta: 21.0MB). Free memory was 46.7MB in the beginning and 65.1MB in the end (delta: -18.5MB). Peak memory consumption was 22.2MB. Max. memory is 16.1GB. [2024-09-25 00:29:01,771 INFO L158 Benchmark]: CDTParser took 0.23ms. Allocated memory is still 58.7MB. Free memory was 41.1MB in the beginning and 41.0MB in the end (delta: 92.1kB). There was no memory consumed. Max. memory is 16.1GB. [2024-09-25 00:29:01,772 INFO L158 Benchmark]: Witness Parser took 0.22ms. Allocated memory is still 77.6MB. Free memory is still 48.7MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-25 00:29:01,772 INFO L158 Benchmark]: CACSL2BoogieTranslator took 356.08ms. Allocated memory is still 77.6MB. Free memory was 46.5MB in the beginning and 52.2MB in the end (delta: -5.7MB). Peak memory consumption was 11.1MB. Max. memory is 16.1GB. [2024-09-25 00:29:01,773 INFO L158 Benchmark]: Boogie Preprocessor took 66.80ms. Allocated memory is still 77.6MB. Free memory was 52.2MB in the beginning and 49.9MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-09-25 00:29:01,773 INFO L158 Benchmark]: RCFGBuilder took 528.00ms. Allocated memory is still 77.6MB. Free memory was 49.9MB in the beginning and 34.2MB in the end (delta: 15.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-09-25 00:29:01,774 INFO L158 Benchmark]: Referee took 682.58ms. Allocated memory was 77.6MB in the beginning and 98.6MB in the end (delta: 21.0MB). Free memory was 34.2MB in the beginning and 65.1MB in the end (delta: -30.9MB). Peak memory consumption was 9.0MB. Max. memory is 16.1GB. [2024-09-25 00:29:01,777 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.referee: - AnnotationCheckResult: Annotation is not a valid proof of correctness. Annotation is not a valid proof of correctness. Annotation is not valid for all loop-free paths from loop head at line 36 to loop head at line 40. One counterexample starts in \old(counter)=0, A=0, B=0, b=1, counter=2147483647, q=0, r=0 and ends in \old(counter)=0, A=0, b=1, B=0, 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 40 to exit of procedure main. Annotation is valid for all loop-free paths from loop head at line 36 to loop head at line 36. Annotation is valid for all loop-free paths from entry of procedure 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 __VERIFIER_assert to exit of procedure __VERIFIER_assert. Annotation is valid for all loop-free paths from entry of procedure main to check that procedure precondition always holds at line 31. Annotation is valid for all loop-free paths from loop head at line 40 to loop head at line 40. Annotation is valid for all loop-free paths from entry of procedure ULTIMATE.start to check that procedure precondition always holds at line -1. Annotation is valid for all loop-free paths from entry of procedure main to 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 0.23ms. Allocated memory is still 58.7MB. Free memory was 41.1MB in the beginning and 41.0MB in the end (delta: 92.1kB). There was no memory consumed. Max. memory is 16.1GB. * Witness Parser took 0.22ms. Allocated memory is still 77.6MB. Free memory is still 48.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 356.08ms. Allocated memory is still 77.6MB. Free memory was 46.5MB in the beginning and 52.2MB in the end (delta: -5.7MB). Peak memory consumption was 11.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 66.80ms. Allocated memory is still 77.6MB. Free memory was 52.2MB in the beginning and 49.9MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 528.00ms. Allocated memory is still 77.6MB. Free memory was 49.9MB in the beginning and 34.2MB in the end (delta: 15.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Referee took 682.58ms. Allocated memory was 77.6MB in the beginning and 98.6MB in the end (delta: 21.0MB). Free memory was 34.2MB in the beginning and 65.1MB in the end (delta: -30.9MB). Peak memory consumption was 9.0MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be incorrect! [2024-09-25 00:29:01,814 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