./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/nla-digbench-scaling/divbin2_unwindbound2.i --full-output --witness-type correctness_witness --validate ../results/automizer-verification-files/SV-COMP24_unreach-call/divbin2_unwindbound2.yml/witness-2.1.yml --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version f1d7dc9d Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/certificate-witnesses-artifact/referee/data/config -Xmx15G -Xms4m -jar /storage/repos/certificate-witnesses-artifact/referee/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/certificate-witnesses-artifact/referee/data -tc /storage/repos/certificate-witnesses-artifact/referee/config/RefereeReachWitnessValidation.xml -i ../sv-benchmarks/c/nla-digbench-scaling/divbin2_unwindbound2.i ../results/automizer-verification-files/SV-COMP24_unreach-call/divbin2_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-f1d7dc9-m [2024-09-20 13:27:09,088 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-20 13:27:09,175 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Default.epf [2024-09-20 13:27:09,181 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-20 13:27:09,183 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-20 13:27:09,214 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-20 13:27:09,215 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-20 13:27:09,215 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-20 13:27:09,216 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-20 13:27:09,218 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-20 13:27:09,218 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-20 13:27:09,218 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-20 13:27:09,219 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-20 13:27:09,219 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-20 13:27:09,221 INFO L153 SettingsManager]: * Use SBE=true [2024-09-20 13:27:09,221 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-20 13:27:09,222 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-20 13:27:09,222 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-20 13:27:09,222 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-09-20 13:27:09,223 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-20 13:27:09,223 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-20 13:27:09,225 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-20 13:27:09,226 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-20 13:27:09,226 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-20 13:27:09,226 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-20 13:27:09,226 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-20 13:27:09,227 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-20 13:27:09,227 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-20 13:27:09,227 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-20 13:27:09,227 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-20 13:27:09,228 INFO L153 SettingsManager]: * Future-live optimization=false [2024-09-20 13:27:09,228 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-20 13:27:09,228 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-20 13:27:09,228 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-20 13:27:09,229 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-20 13:27:09,229 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-20 13:27:09,230 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-20 13:27:09,230 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-09-20 13:27:09,230 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-09-20 13:27:09,231 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-20 13:27:09,231 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-20 13:27:09,231 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-20 13:27:09,231 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-20 13:27:09,232 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None [2024-09-20 13:27:09,480 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-20 13:27:09,504 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-20 13:27:09,507 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-20 13:27:09,508 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-20 13:27:09,509 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-20 13:27:09,510 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/automizer-verification-files/SV-COMP24_unreach-call/divbin2_unwindbound2.yml/witness-2.1.yml [2024-09-20 13:27:09,591 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-20 13:27:09,592 INFO L274 PluginConnector]: CDTParser initialized [2024-09-20 13:27:09,592 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/nla-digbench-scaling/divbin2_unwindbound2.i [2024-09-20 13:27:11,002 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-20 13:27:11,175 INFO L384 CDTParser]: Found 1 translation units. [2024-09-20 13:27:11,176 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench-scaling/divbin2_unwindbound2.i [2024-09-20 13:27:11,184 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/004d04663/868cccff8eff45daa4413d9c52dbae4e/FLAG669348488 [2024-09-20 13:27:11,197 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/004d04663/868cccff8eff45daa4413d9c52dbae4e [2024-09-20 13:27:11,197 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-20 13:27:11,199 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-09-20 13:27:11,202 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-20 13:27:11,202 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-20 13:27:11,206 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-20 13:27:11,207 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 20.09 01:27:09" (1/2) ... [2024-09-20 13:27:11,207 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4066acfe and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 20.09 01:27:11, skipping insertion in model container [2024-09-20 13:27:11,208 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 20.09 01:27:09" (1/2) ... [2024-09-20 13:27:11,209 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@c15da2f and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 20.09 01:27:11, skipping insertion in model container [2024-09-20 13:27:11,209 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 01:27:11" (2/2) ... [2024-09-20 13:27:11,209 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4066acfe and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:27:11, skipping insertion in model container [2024-09-20 13:27:11,209 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 01:27:11" (2/2) ... [2024-09-20 13:27:11,220 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-20 13:27:11,220 INFO L1541 ArrayList]: Loop invariant at [L34-L37] ((\old(counter) == 0) && (((((A == r) && (counter == 0)) && (B == b)) && (q == 0)) || (((A == r) && (1 <= counter)) && (q == 0)))) [2024-09-20 13:27:11,221 INFO L1541 ArrayList]: Loop invariant at [L38-L47] ((\old(counter) == 0) && ((((2 <= counter) && (A == r)) && (q == 0)) || ((((A == r) && (1 <= counter)) && (B == b)) && (q == 0)))) [2024-09-20 13:27:11,221 INFO L1541 ArrayList]: Function contract at [L18]: requires (1 <= \old(cond)), ensures (1 <= \old(cond)) [2024-09-20 13:27:11,221 INFO L1541 ArrayList]: Function contract at [L26]: requires (counter == 0), ensures (\old(counter) == 0) [2024-09-20 13:27:11,241 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-20 13:27:11,376 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/divbin2_unwindbound2.i[951,964] [2024-09-20 13:27:11,391 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-20 13:27:11,400 INFO L200 MainTranslator]: Completed pre-run Start Parsing Global Start Parsing Global [2024-09-20 13:27:11,441 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/divbin2_unwindbound2.i[951,964] Start Parsing Global Start Parsing Global Start Parsing Local Start Parsing Local [2024-09-20 13:27:11,458 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-20 13:27:11,476 INFO L204 MainTranslator]: Completed translation [2024-09-20 13:27:11,476 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:27:11 WrapperNode [2024-09-20 13:27:11,477 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-20 13:27:11,478 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-20 13:27:11,478 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-20 13:27:11,478 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-20 13:27:11,492 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:27:11" (1/1) ... [2024-09-20 13:27:11,493 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:27:11" (1/1) ... [2024-09-20 13:27:11,505 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:27:11" (1/1) ... [2024-09-20 13:27:11,522 WARN L109 MemorySlicer]: Omit memory slicing because it failed with the following exception: Unsupported: Procedure __VERIFIER_assert is not part of the Ultimate memory model but has specification other that is not a ModifiesSpecification [2024-09-20 13:27:11,522 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:27:11" (1/1) ... [2024-09-20 13:27:11,525 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:27:11" (1/1) ... [2024-09-20 13:27:11,529 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:27:11" (1/1) ... [2024-09-20 13:27:11,534 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:27:11" (1/1) ... [2024-09-20 13:27:11,540 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:27:11" (1/1) ... [2024-09-20 13:27:11,540 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:27:11" (1/1) ... [2024-09-20 13:27:11,545 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-20 13:27:11,546 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-20 13:27:11,546 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-20 13:27:11,546 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-20 13:27:11,547 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:27:11" (1/1) ... [2024-09-20 13:27:11,553 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-20 13:27:11,561 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-09-20 13:27:11,577 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) [2024-09-20 13:27:11,582 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 [2024-09-20 13:27:11,623 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-09-20 13:27:11,624 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-20 13:27:11,624 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-09-20 13:27:11,625 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-09-20 13:27:11,626 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-09-20 13:27:11,626 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-09-20 13:27:11,626 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-09-20 13:27:11,626 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-09-20 13:27:11,626 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_perror_fail [2024-09-20 13:27:11,626 INFO L130 BoogieDeclarations]: Found specification of procedure __assert [2024-09-20 13:27:11,627 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-09-20 13:27:11,627 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-20 13:27:11,627 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2024-09-20 13:27:11,627 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-09-20 13:27:11,627 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-09-20 13:27:11,627 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-09-20 13:27:11,628 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-09-20 13:27:11,628 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-09-20 13:27:11,628 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-20 13:27:11,628 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-09-20 13:27:11,628 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-09-20 13:27:11,629 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-09-20 13:27:11,705 INFO L242 CfgBuilder]: Building ICFG [2024-09-20 13:27:11,707 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-20 13:27:11,744 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-20 13:27:11,867 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-20 13:27:11,878 INFO L291 CfgBuilder]: Performing block encoding [2024-09-20 13:27:11,912 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-20 13:27:11,912 INFO L318 CfgBuilder]: Removed 2 assume(true) statements. [2024-09-20 13:27:11,912 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 01:27:11 BoogieIcfgContainer [2024-09-20 13:27:11,913 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-20 13:27:11,913 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-09-20 13:27:11,913 INFO L270 PluginConnector]: Initializing Referee... [2024-09-20 13:27:11,914 INFO L274 PluginConnector]: Referee initialized [2024-09-20 13:27:11,914 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 20.09 01:27:09" (1/4) ... [2024-09-20 13:27:11,919 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@5ecfb96d and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 20.09 01:27:11, skipping insertion in model container [2024-09-20 13:27:11,919 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 20.09 01:27:11" (2/4) ... [2024-09-20 13:27:11,920 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@5ecfb96d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 20.09 01:27:11, skipping insertion in model container [2024-09-20 13:27:11,920 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:27:11" (3/4) ... [2024-09-20 13:27:11,920 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@5ecfb96d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 20.09 01:27:11, skipping insertion in model container [2024-09-20 13:27:11,920 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 01:27:11" (4/4) ... [2024-09-20 13:27:11,922 INFO L79 RefereeObserver]: Analyzing ICFG divbin2_unwindbound2.i [2024-09-20 13:27:11,925 INFO L113 InvariantChecker]: Found 2 loops. [2024-09-20 13:27:11,926 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L43-2 to ERROR_LOC mainErr4ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 10 edges. [2024-09-20 13:27:11,926 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L43-2 to ERROR_LOC mainErr2REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 4 edges. [2024-09-20 13:27:11,926 INFO L373 InvariantChecker]: Will check inductivity from ENTRY mainENTRY to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 2 edges. [2024-09-20 13:27:11,927 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L34-4 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 5 edges. [2024-09-20 13:27:11,927 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC ULTIMATE.startErr0REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 3 edges. [2024-09-20 13:27:11,927 INFO L373 InvariantChecker]: Will check inductivity from ENTRY __VERIFIER_assertENTRY to ERROR_LOC __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 5 edges. [2024-09-20 13:27:11,927 INFO L373 InvariantChecker]: Will check inductivity from ENTRY __VERIFIER_assertENTRY to ERROR_LOC __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 3 edges. [2024-09-20 13:27:11,928 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L34-4 to LOOP_INVARIANT_ERROR_LOC mainErr1ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 7 edges. [2024-09-20 13:27:11,928 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L43-2 to LOOP_INVARIANT_ERROR_LOC mainErr1ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 8 edges. [2024-09-20 13:27:11,929 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L43-2 to ERROR_LOC mainErr3REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 8 edges. [2024-09-20 13:27:11,929 INFO L131 InvariantChecker]: Will check 3 loop-free subgraphs from loop head to loop head, 3 loop-free subgraphs from procedure entry to error location, 3 loop-free subgraphs from loop head to error location, 1 loop-free subgraphs from procedure entry to loop head [2024-09-20 13:27:11,994 INFO L314 BlockEncoder]: Initial Icfg 9 locations, 10 edges [2024-09-20 13:27:11,995 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 13:27:11,995 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 13:27:11,996 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 13:27:11,997 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 13:27:11,998 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:27:12,049 INFO L101 BaseMinimizeStates]: Removed 22 edges and 7 locations by large block encoding [2024-09-20 13:27:12,050 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:27:12,050 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 13:27:12,050 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 13:27:12,051 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 13:27:12,054 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 13:27:12,097 INFO L520 InvariantChecker]: The annotation(s) from loop head L43-2 to error location mainErr4ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-20 13:27:12,154 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 4 edges [2024-09-20 13:27:12,155 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 13:27:12,156 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 13:27:12,156 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 13:27:12,157 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 13:27:12,157 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:27:12,171 INFO L101 BaseMinimizeStates]: Removed 6 edges and 3 locations by large block encoding [2024-09-20 13:27:12,171 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:27:12,171 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 13:27:12,172 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 13:27:12,172 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 13:27:12,172 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 13:27:16,176 INFO L516 InvariantChecker]: unknown inductivity: todo good error message [2024-09-20 13:27:16,191 INFO L314 BlockEncoder]: Initial Icfg 3 locations, 2 edges [2024-09-20 13:27:16,191 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 13:27:16,191 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 13:27:16,191 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 13:27:16,191 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 13:27:16,192 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:27:16,194 INFO L101 BaseMinimizeStates]: Removed 2 edges and 1 locations by large block encoding [2024-09-20 13:27:16,194 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:27:16,194 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 13:27:16,194 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 13:27:16,194 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 13:27:16,194 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 13:27:16,200 INFO L520 InvariantChecker]: The annotation(s) from entry mainENTRY to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-20 13:27:16,215 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 5 edges [2024-09-20 13:27:16,215 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 13:27:16,215 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 13:27:16,215 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 13:27:16,215 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 13:27:16,216 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:27:16,223 INFO L101 BaseMinimizeStates]: Removed 8 edges and 4 locations by large block encoding [2024-09-20 13:27:16,224 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:27:16,224 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 13:27:16,224 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 13:27:16,224 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 13:27:16,224 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 13:27:16,228 INFO L520 InvariantChecker]: The annotation(s) from loop head L34-4 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-20 13:27:16,247 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-20 13:27:16,247 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 13:27:16,247 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 13:27:16,247 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 13:27:16,248 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 13:27:16,248 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:27:16,249 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-20 13:27:16,250 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:27:16,250 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 13:27:16,250 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 13:27:16,250 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 13:27:16,250 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 13:27:16,252 INFO L520 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to error location ULTIMATE.startErr0REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-20 13:27:16,262 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 5 edges [2024-09-20 13:27:16,263 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 13:27:16,263 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 13:27:16,263 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 13:27:16,263 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 13:27:16,263 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:27:16,265 INFO L101 BaseMinimizeStates]: Removed 8 edges and 3 locations by large block encoding [2024-09-20 13:27:16,265 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:27:16,265 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 13:27:16,266 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 13:27:16,266 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 13:27:16,267 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 13:27:16,269 INFO L520 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-20 13:27:16,282 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-20 13:27:16,282 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 13:27:16,282 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 13:27:16,282 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 13:27:16,283 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 13:27:16,283 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:27:16,284 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-20 13:27:16,284 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:27:16,284 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 13:27:16,285 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 13:27:16,285 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 13:27:16,285 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 13:27:16,286 INFO L520 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION is inductive. [2024-09-20 13:27:16,296 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 7 edges [2024-09-20 13:27:16,296 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 13:27:16,297 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 13:27:16,297 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 13:27:16,297 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 13:27:16,297 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:27:16,309 INFO L101 BaseMinimizeStates]: Removed 12 edges and 4 locations by large block encoding [2024-09-20 13:27:16,310 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:27:16,310 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 13:27:16,311 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 13:27:16,311 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 13:27:16,315 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 13:27:16,321 INFO L520 InvariantChecker]: The annotation(s) from loop head L34-4 to loop head mainErr1ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-20 13:27:16,334 INFO L314 BlockEncoder]: Initial Icfg 8 locations, 8 edges [2024-09-20 13:27:16,335 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 13:27:16,335 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 13:27:16,335 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 13:27:16,335 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 13:27:16,335 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:27:16,357 INFO L101 BaseMinimizeStates]: Removed 14 edges and 6 locations by large block encoding [2024-09-20 13:27:16,358 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:27:16,358 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 13:27:16,358 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 13:27:16,358 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 13:27:16,364 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 13:27:16,368 INFO L520 InvariantChecker]: The annotation(s) from loop head L43-2 to loop head mainErr1ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-20 13:27:16,376 INFO L314 BlockEncoder]: Initial Icfg 7 locations, 8 edges [2024-09-20 13:27:16,376 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 13:27:16,377 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 13:27:16,377 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 13:27:16,377 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 13:27:16,377 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:27:16,388 INFO L101 BaseMinimizeStates]: Removed 14 edges and 5 locations by large block encoding [2024-09-20 13:27:16,388 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:27:16,388 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 13:27:16,388 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 13:27:16,389 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 13:27:16,391 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 13:27:20,394 INFO L516 InvariantChecker]: unknown inductivity: todo good error message [2024-09-20 13:27:20,399 INFO L58 RefereeStarter]: Insufficient resources for checking whether annotation is a valid proof of correctness. [2024-09-20 13:27:20,399 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@5ecfb96d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee CFG 20.09 01:27:20, skipping insertion in model container [2024-09-20 13:27:20,399 INFO L131 PluginConnector]: ------------------------ END Referee---------------------------- [2024-09-20 13:27:20,400 INFO L158 Benchmark]: Toolchain (without parser) took 9201.41ms. Allocated memory is still 180.4MB. Free memory was 107.5MB in the beginning and 104.7MB in the end (delta: 2.8MB). Peak memory consumption was 48.2MB. Max. memory is 16.1GB. [2024-09-20 13:27:20,401 INFO L158 Benchmark]: Witness Parser took 0.18ms. Allocated memory is still 117.4MB. Free memory was 81.1MB in the beginning and 81.0MB in the end (delta: 139.9kB). There was no memory consumed. Max. memory is 16.1GB. [2024-09-20 13:27:20,401 INFO L158 Benchmark]: CDTParser took 0.16ms. Allocated memory is still 180.4MB. Free memory is still 153.9MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-20 13:27:20,402 INFO L158 Benchmark]: CACSL2BoogieTranslator took 274.98ms. Allocated memory is still 180.4MB. Free memory was 107.5MB in the beginning and 93.7MB in the end (delta: 13.8MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-09-20 13:27:20,403 INFO L158 Benchmark]: Boogie Preprocessor took 67.39ms. Allocated memory is still 180.4MB. Free memory was 93.7MB in the beginning and 91.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-09-20 13:27:20,403 INFO L158 Benchmark]: RCFGBuilder took 366.86ms. Allocated memory is still 180.4MB. Free memory was 91.3MB in the beginning and 76.0MB in the end (delta: 15.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-09-20 13:27:20,404 INFO L158 Benchmark]: Referee took 8486.15ms. Allocated memory is still 180.4MB. Free memory was 76.0MB in the beginning and 104.7MB in the end (delta: -28.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-09-20 13:27:20,406 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 38 to check that procedure precondition always holds at line 39. Insufficient resources for checking whether annotation is valid for all loop-free paths from loop head at line 38 to check that procedure precondition always holds at line 38. Annotation is valid for all loop-free paths from loop head at line 38 to exit of procedure main. Annotation is valid for all loop-free paths from entry of procedure main to loop head at line 34. Annotation is valid for all loop-free paths from loop head at line 34 to loop head at line 38. Annotation is valid for all loop-free paths from loop head at line 38 to loop head at line 38. Annotation is valid for all loop-free paths from entry of procedure ULTIMATE.start to check that procedure precondition always holds at line -1. Annotation is valid for all loop-free paths from entry of procedure __VERIFIER_assert to exit of procedure __VERIFIER_assert. Annotation is valid for all loop-free paths from loop head at line 34 to loop head at line 34. 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: * Witness Parser took 0.18ms. Allocated memory is still 117.4MB. Free memory was 81.1MB in the beginning and 81.0MB in the end (delta: 139.9kB). There was no memory consumed. Max. memory is 16.1GB. * CDTParser took 0.16ms. Allocated memory is still 180.4MB. Free memory is still 153.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 274.98ms. Allocated memory is still 180.4MB. Free memory was 107.5MB in the beginning and 93.7MB in the end (delta: 13.8MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Preprocessor took 67.39ms. Allocated memory is still 180.4MB. Free memory was 93.7MB in the beginning and 91.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 366.86ms. Allocated memory is still 180.4MB. Free memory was 91.3MB in the beginning and 76.0MB in the end (delta: 15.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Referee took 8486.15ms. Allocated memory is still 180.4MB. Free memory was 76.0MB in the beginning and 104.7MB in the end (delta: -28.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-09-20 13:27:20,427 INFO L552 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/referee/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/certificate-witnesses-artifact/referee/data/config -Xmx15G -Xms4m -jar /storage/repos/certificate-witnesses-artifact/referee/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/certificate-witnesses-artifact/referee/data -tc /storage/repos/certificate-witnesses-artifact/referee/config/RefereeReachWitnessValidation.xml -i ../sv-benchmarks/c/nla-digbench-scaling/divbin2_unwindbound2.i ../results/automizer-verification-files/SV-COMP24_unreach-call/divbin2_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-f1d7dc9-m [2024-09-20 13:27:22,718 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-20 13:27:22,799 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Bitvector.epf [2024-09-20 13:27:22,806 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-20 13:27:22,807 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-20 13:27:22,830 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-20 13:27:22,831 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-20 13:27:22,831 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-20 13:27:22,832 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-20 13:27:22,832 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-20 13:27:22,833 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-20 13:27:22,833 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-20 13:27:22,834 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-20 13:27:22,834 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-20 13:27:22,834 INFO L153 SettingsManager]: * Use SBE=true [2024-09-20 13:27:22,834 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-20 13:27:22,835 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-20 13:27:22,835 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-20 13:27:22,835 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-20 13:27:22,835 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-20 13:27:22,836 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-20 13:27:22,837 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-20 13:27:22,837 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-20 13:27:22,837 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-09-20 13:27:22,838 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-09-20 13:27:22,838 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-20 13:27:22,839 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-09-20 13:27:22,839 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-20 13:27:22,839 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-20 13:27:22,840 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-20 13:27:22,840 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-20 13:27:22,840 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-20 13:27:22,841 INFO L153 SettingsManager]: * Future-live optimization=false [2024-09-20 13:27:22,841 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-20 13:27:22,842 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-20 13:27:22,842 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-20 13:27:22,842 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-20 13:27:22,843 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-20 13:27:22,843 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-20 13:27:22,843 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-09-20 13:27:22,844 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-09-20 13:27:22,846 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-20 13:27:22,847 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-20 13:27:22,847 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-20 13:27:22,847 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-20 13:27:22,848 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2024-09-20 13:27:22,848 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None [2024-09-20 13:27:23,158 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-20 13:27:23,201 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-20 13:27:23,204 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-20 13:27:23,205 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-20 13:27:23,212 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-20 13:27:23,214 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/automizer-verification-files/SV-COMP24_unreach-call/divbin2_unwindbound2.yml/witness-2.1.yml [2024-09-20 13:27:23,274 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-20 13:27:23,275 INFO L274 PluginConnector]: CDTParser initialized [2024-09-20 13:27:23,275 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/nla-digbench-scaling/divbin2_unwindbound2.i [2024-09-20 13:27:24,935 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-20 13:27:25,144 INFO L384 CDTParser]: Found 1 translation units. [2024-09-20 13:27:25,145 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench-scaling/divbin2_unwindbound2.i [2024-09-20 13:27:25,152 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/60d19c709/cdd5b290cd624e4abd9d06b8dfe9d54c/FLAGae7ed7c51 [2024-09-20 13:27:25,169 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/60d19c709/cdd5b290cd624e4abd9d06b8dfe9d54c [2024-09-20 13:27:25,170 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-20 13:27:25,172 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-09-20 13:27:25,174 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-20 13:27:25,174 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-20 13:27:25,179 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-20 13:27:25,180 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 20.09 01:27:23" (1/2) ... [2024-09-20 13:27:25,183 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@47025242 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 20.09 01:27:25, skipping insertion in model container [2024-09-20 13:27:25,183 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 20.09 01:27:23" (1/2) ... [2024-09-20 13:27:25,185 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@4f866b94 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 20.09 01:27:25, skipping insertion in model container [2024-09-20 13:27:25,185 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 01:27:25" (2/2) ... [2024-09-20 13:27:25,185 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@47025242 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:27:25, skipping insertion in model container [2024-09-20 13:27:25,185 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 01:27:25" (2/2) ... [2024-09-20 13:27:25,209 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-20 13:27:25,209 INFO L1541 ArrayList]: Loop invariant at [L34-L37] ((\old(counter) == 0) && (((((A == r) && (counter == 0)) && (B == b)) && (q == 0)) || (((A == r) && (1 <= counter)) && (q == 0)))) [2024-09-20 13:27:25,210 INFO L1541 ArrayList]: Loop invariant at [L38-L47] ((\old(counter) == 0) && ((((2 <= counter) && (A == r)) && (q == 0)) || ((((A == r) && (1 <= counter)) && (B == b)) && (q == 0)))) [2024-09-20 13:27:25,210 INFO L1541 ArrayList]: Function contract at [L18]: requires (1 <= \old(cond)), ensures (1 <= \old(cond)) [2024-09-20 13:27:25,210 INFO L1541 ArrayList]: Function contract at [L26]: requires (counter == 0), ensures (\old(counter) == 0) [2024-09-20 13:27:25,252 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-20 13:27:25,443 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/divbin2_unwindbound2.i[951,964] [2024-09-20 13:27:25,465 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-20 13:27:25,480 INFO L200 MainTranslator]: Completed pre-run Start Parsing Global Start Parsing Global [2024-09-20 13:27:25,518 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/divbin2_unwindbound2.i[951,964] Start Parsing Global Start Parsing Global Start Parsing Local Start Parsing Local [2024-09-20 13:27:25,531 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-20 13:27:25,549 INFO L204 MainTranslator]: Completed translation [2024-09-20 13:27:25,550 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:27:25 WrapperNode [2024-09-20 13:27:25,550 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-20 13:27:25,552 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-20 13:27:25,552 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-20 13:27:25,552 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-20 13:27:25,563 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:27:25" (1/1) ... [2024-09-20 13:27:25,564 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:27:25" (1/1) ... [2024-09-20 13:27:25,572 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:27:25" (1/1) ... [2024-09-20 13:27:25,586 WARN L109 MemorySlicer]: Omit memory slicing because it failed with the following exception: Unsupported: Procedure __VERIFIER_assert is not part of the Ultimate memory model but has specification other that is not a ModifiesSpecification [2024-09-20 13:27:25,587 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:27:25" (1/1) ... [2024-09-20 13:27:25,587 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:27:25" (1/1) ... [2024-09-20 13:27:25,599 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:27:25" (1/1) ... [2024-09-20 13:27:25,602 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:27:25" (1/1) ... [2024-09-20 13:27:25,608 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:27:25" (1/1) ... [2024-09-20 13:27:25,609 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:27:25" (1/1) ... [2024-09-20 13:27:25,611 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-20 13:27:25,614 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-20 13:27:25,614 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-20 13:27:25,615 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-20 13:27:25,615 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:27:25" (1/1) ... [2024-09-20 13:27:25,621 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-20 13:27:25,629 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-09-20 13:27:25,645 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) [2024-09-20 13:27:25,653 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 [2024-09-20 13:27:25,695 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-09-20 13:27:25,695 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-20 13:27:25,695 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-09-20 13:27:25,696 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-09-20 13:27:25,696 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-09-20 13:27:25,696 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-09-20 13:27:25,696 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-09-20 13:27:25,696 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-09-20 13:27:25,697 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_perror_fail [2024-09-20 13:27:25,697 INFO L130 BoogieDeclarations]: Found specification of procedure __assert [2024-09-20 13:27:25,697 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-09-20 13:27:25,697 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-20 13:27:25,697 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2024-09-20 13:27:25,697 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-09-20 13:27:25,698 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-09-20 13:27:25,698 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-09-20 13:27:25,698 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-09-20 13:27:25,698 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-09-20 13:27:25,698 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-20 13:27:25,699 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2024-09-20 13:27:25,699 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2024-09-20 13:27:25,699 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-09-20 13:27:25,785 INFO L242 CfgBuilder]: Building ICFG [2024-09-20 13:27:25,788 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-20 13:27:25,835 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-20 13:27:26,061 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-20 13:27:26,078 INFO L291 CfgBuilder]: Performing block encoding [2024-09-20 13:27:26,113 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-20 13:27:26,114 INFO L318 CfgBuilder]: Removed 2 assume(true) statements. [2024-09-20 13:27:26,116 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 01:27:26 BoogieIcfgContainer [2024-09-20 13:27:26,117 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-20 13:27:26,118 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-09-20 13:27:26,118 INFO L270 PluginConnector]: Initializing Referee... [2024-09-20 13:27:26,119 INFO L274 PluginConnector]: Referee initialized [2024-09-20 13:27:26,119 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 20.09 01:27:23" (1/4) ... [2024-09-20 13:27:26,119 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@4e19a52e and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 20.09 01:27:26, skipping insertion in model container [2024-09-20 13:27:26,120 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 20.09 01:27:25" (2/4) ... [2024-09-20 13:27:26,120 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@4e19a52e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 20.09 01:27:26, skipping insertion in model container [2024-09-20 13:27:26,120 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:27:25" (3/4) ... [2024-09-20 13:27:26,121 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@4e19a52e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 20.09 01:27:26, skipping insertion in model container [2024-09-20 13:27:26,121 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 01:27:26" (4/4) ... [2024-09-20 13:27:26,122 INFO L79 RefereeObserver]: Analyzing ICFG divbin2_unwindbound2.i [2024-09-20 13:27:26,126 INFO L113 InvariantChecker]: Found 2 loops. [2024-09-20 13:27:26,127 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L43-2 to ERROR_LOC mainErr4ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 10 edges. [2024-09-20 13:27:26,127 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L43-2 to ERROR_LOC mainErr2REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 4 edges. [2024-09-20 13:27:26,127 INFO L373 InvariantChecker]: Will check inductivity from ENTRY mainENTRY to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 2 edges. [2024-09-20 13:27:26,127 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L34-4 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 5 edges. [2024-09-20 13:27:26,127 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC ULTIMATE.startErr0REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 3 edges. [2024-09-20 13:27:26,128 INFO L373 InvariantChecker]: Will check inductivity from ENTRY __VERIFIER_assertENTRY to ERROR_LOC __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 5 edges. [2024-09-20 13:27:26,128 INFO L373 InvariantChecker]: Will check inductivity from ENTRY __VERIFIER_assertENTRY to ERROR_LOC __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 3 edges. [2024-09-20 13:27:26,128 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L34-4 to LOOP_INVARIANT_ERROR_LOC mainErr1ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 7 edges. [2024-09-20 13:27:26,128 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L43-2 to LOOP_INVARIANT_ERROR_LOC mainErr1ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 8 edges. [2024-09-20 13:27:26,128 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L43-2 to ERROR_LOC mainErr3REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 8 edges. [2024-09-20 13:27:26,129 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, 3 loop-free subgraphs from procedure entry to error location, 1 loop-free subgraphs from procedure entry to loop head [2024-09-20 13:27:26,189 INFO L314 BlockEncoder]: Initial Icfg 9 locations, 10 edges [2024-09-20 13:27:26,190 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 13:27:26,191 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 13:27:26,191 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 13:27:26,193 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 13:27:26,195 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:27:26,260 INFO L101 BaseMinimizeStates]: Removed 22 edges and 7 locations by large block encoding [2024-09-20 13:27:26,262 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:27:26,262 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 13:27:26,263 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 13:27:26,263 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 13:27:26,268 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 13:27:26,286 INFO L520 InvariantChecker]: The annotation(s) from loop head L43-2 to error location mainErr4ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-20 13:27:26,302 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 4 edges [2024-09-20 13:27:26,303 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 13:27:26,303 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 13:27:26,303 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 13:27:26,303 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 13:27:26,303 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:27:26,310 INFO L101 BaseMinimizeStates]: Removed 6 edges and 3 locations by large block encoding [2024-09-20 13:27:26,311 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:27:26,311 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 13:27:26,311 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 13:27:26,311 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 13:27:26,312 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 13:27:26,328 INFO L520 InvariantChecker]: The annotation(s) from loop head L43-2 to error location mainErr2REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-20 13:27:26,351 INFO L314 BlockEncoder]: Initial Icfg 3 locations, 2 edges [2024-09-20 13:27:26,353 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 13:27:26,354 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 13:27:26,354 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 13:27:26,354 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 13:27:26,354 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:27:26,356 INFO L101 BaseMinimizeStates]: Removed 2 edges and 1 locations by large block encoding [2024-09-20 13:27:26,358 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:27:26,359 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 13:27:26,359 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 13:27:26,359 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 13:27:26,359 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 13:27:26,366 INFO L520 InvariantChecker]: The annotation(s) from entry mainENTRY to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-20 13:27:26,385 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 5 edges [2024-09-20 13:27:26,386 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 13:27:26,386 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 13:27:26,386 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 13:27:26,386 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 13:27:26,386 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:27:26,399 INFO L101 BaseMinimizeStates]: Removed 8 edges and 4 locations by large block encoding [2024-09-20 13:27:26,399 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:27:26,399 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 13:27:26,400 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 13:27:26,400 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 13:27:26,400 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 13:27:26,405 INFO L520 InvariantChecker]: The annotation(s) from loop head L34-4 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-20 13:27:26,420 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-20 13:27:26,420 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 13:27:26,420 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 13:27:26,420 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 13:27:26,421 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 13:27:26,421 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:27:26,421 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-20 13:27:26,422 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:27:26,422 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 13:27:26,422 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 13:27:26,422 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 13:27:26,423 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 13:27:26,426 INFO L520 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to error location ULTIMATE.startErr0REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-20 13:27:26,441 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 5 edges [2024-09-20 13:27:26,441 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 13:27:26,441 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 13:27:26,441 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 13:27:26,441 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 13:27:26,441 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:27:26,445 INFO L101 BaseMinimizeStates]: Removed 8 edges and 3 locations by large block encoding [2024-09-20 13:27:26,446 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:27:26,446 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 13:27:26,447 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 13:27:26,447 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 13:27:26,447 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 13:27:26,449 INFO L520 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-20 13:27:26,476 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-20 13:27:26,476 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 13:27:26,476 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 13:27:26,476 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 13:27:26,476 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 13:27:26,476 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:27:26,477 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-20 13:27:26,478 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:27:26,478 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 13:27:26,478 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 13:27:26,478 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 13:27:26,479 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 13:27:26,481 INFO L520 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION is inductive. [2024-09-20 13:27:26,492 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 7 edges [2024-09-20 13:27:26,492 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 13:27:26,493 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 13:27:26,493 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 13:27:26,493 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 13:27:26,493 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:27:26,505 INFO L101 BaseMinimizeStates]: Removed 12 edges and 4 locations by large block encoding [2024-09-20 13:27:26,506 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:27:26,506 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 13:27:26,506 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 13:27:26,506 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 13:27:26,509 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 13:27:26,531 INFO L314 BlockEncoder]: Initial Icfg 8 locations, 8 edges [2024-09-20 13:27:26,531 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 13:27:26,531 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 13:27:26,531 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 13:27:26,532 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 13:27:26,532 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:27:26,553 INFO L101 BaseMinimizeStates]: Removed 14 edges and 6 locations by large block encoding [2024-09-20 13:27:26,553 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:27:26,554 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 13:27:26,554 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 13:27:26,554 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 13:27:26,562 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 13:27:26,571 INFO L520 InvariantChecker]: The annotation(s) from loop head L43-2 to loop head mainErr1ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-20 13:27:26,584 INFO L314 BlockEncoder]: Initial Icfg 7 locations, 8 edges [2024-09-20 13:27:26,585 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 13:27:26,585 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 13:27:26,585 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 13:27:26,585 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 13:27:26,585 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:27:26,594 INFO L101 BaseMinimizeStates]: Removed 14 edges and 5 locations by large block encoding [2024-09-20 13:27:26,594 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:27:26,594 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 13:27:26,595 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 13:27:26,595 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 13:27:26,597 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 13:27:26,615 INFO L520 InvariantChecker]: The annotation(s) from loop head L43-2 to error location mainErr3REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-20 13:27:26,626 INFO L58 RefereeStarter]: Annotation is not a valid proof of correctness. [2024-09-20 13:27:26,626 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@4e19a52e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee CFG 20.09 01:27:26, skipping insertion in model container [2024-09-20 13:27:26,626 INFO L131 PluginConnector]: ------------------------ END Referee---------------------------- [2024-09-20 13:27:26,628 INFO L158 Benchmark]: Toolchain (without parser) took 1455.40ms. Allocated memory was 75.5MB in the beginning and 104.9MB in the end (delta: 29.4MB). Free memory was 36.5MB in the beginning and 58.7MB in the end (delta: -22.2MB). Peak memory consumption was 20.4MB. Max. memory is 16.1GB. [2024-09-20 13:27:26,628 INFO L158 Benchmark]: Witness Parser took 0.16ms. Allocated memory is still 75.5MB. Free memory is still 52.1MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-20 13:27:26,630 INFO L158 Benchmark]: CDTParser took 0.20ms. Allocated memory is still 75.5MB. Free memory is still 49.9MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-20 13:27:26,631 INFO L158 Benchmark]: CACSL2BoogieTranslator took 377.01ms. Allocated memory is still 75.5MB. Free memory was 36.3MB in the beginning and 44.2MB in the end (delta: -7.9MB). Peak memory consumption was 7.2MB. Max. memory is 16.1GB. [2024-09-20 13:27:26,632 INFO L158 Benchmark]: Boogie Preprocessor took 60.76ms. Allocated memory is still 75.5MB. Free memory was 44.2MB in the beginning and 42.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-09-20 13:27:26,633 INFO L158 Benchmark]: RCFGBuilder took 503.52ms. Allocated memory was 75.5MB in the beginning and 104.9MB in the end (delta: 29.4MB). Free memory was 41.8MB in the beginning and 78.9MB in the end (delta: -37.1MB). Peak memory consumption was 12.8MB. Max. memory is 16.1GB. [2024-09-20 13:27:26,633 INFO L158 Benchmark]: Referee took 508.42ms. Allocated memory is still 104.9MB. Free memory was 78.9MB in the beginning and 58.7MB in the end (delta: 20.2MB). Peak memory consumption was 31.9MB. Max. memory is 16.1GB. [2024-09-20 13:27:26,638 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 34 to loop head at line 38. One counterexample starts in \old(counter)=0, A=0, B=0, b=0, counter=2147483647, q=0, r=0 and ends in \old(counter)=0, A=0, B=0, b=0, counter=-2147483648, q=0, r=0. Annotation is valid for all loop-free paths from loop head at line 38 to loop head at line 38. Annotation is valid for all loop-free paths from loop head at line 34 to loop head at line 34. Annotation is valid for all loop-free paths from entry of procedure ULTIMATE.start to check that procedure precondition always holds at line -1. Annotation is valid for all loop-free paths from entry of procedure __VERIFIER_assert to exit of procedure __VERIFIER_assert. Annotation is valid for all loop-free paths from loop head at line 38 to exit of procedure main. Annotation is valid for all loop-free paths from entry of procedure main to loop head at line 34. Annotation is valid for all loop-free paths from loop head at line 38 to check that procedure precondition always holds at line 39. 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 38 to check that procedure precondition always holds at line 38. * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Witness Parser took 0.16ms. Allocated memory is still 75.5MB. Free memory is still 52.1MB. There was no memory consumed. Max. memory is 16.1GB. * CDTParser took 0.20ms. Allocated memory is still 75.5MB. Free memory is still 49.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 377.01ms. Allocated memory is still 75.5MB. Free memory was 36.3MB in the beginning and 44.2MB in the end (delta: -7.9MB). Peak memory consumption was 7.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 60.76ms. Allocated memory is still 75.5MB. Free memory was 44.2MB in the beginning and 42.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 503.52ms. Allocated memory was 75.5MB in the beginning and 104.9MB in the end (delta: 29.4MB). Free memory was 41.8MB in the beginning and 78.9MB in the end (delta: -37.1MB). Peak memory consumption was 12.8MB. Max. memory is 16.1GB. * Referee took 508.42ms. Allocated memory is still 104.9MB. Free memory was 78.9MB in the beginning and 58.7MB in the end (delta: 20.2MB). Peak memory consumption was 31.9MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be incorrect! [2024-09-20 13:27:26,673 INFO L540 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/referee/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, 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