./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 04d6fb36 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-04d6fb3-m [2024-09-15 20:06:57,194 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-15 20:06:57,272 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Default.epf [2024-09-15 20:06:57,279 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-15 20:06:57,280 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-15 20:06:57,309 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-15 20:06:57,311 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-15 20:06:57,312 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-15 20:06:57,312 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-15 20:06:57,314 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-15 20:06:57,315 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-15 20:06:57,315 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-15 20:06:57,316 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-15 20:06:57,319 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-15 20:06:57,319 INFO L153 SettingsManager]: * Use SBE=true [2024-09-15 20:06:57,320 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-15 20:06:57,320 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-15 20:06:57,320 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-15 20:06:57,320 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-09-15 20:06:57,321 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-15 20:06:57,321 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-15 20:06:57,321 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-15 20:06:57,322 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-15 20:06:57,322 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-15 20:06:57,322 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-15 20:06:57,322 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-15 20:06:57,323 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-15 20:06:57,323 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-15 20:06:57,323 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-15 20:06:57,324 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-15 20:06:57,324 INFO L153 SettingsManager]: * Future-live optimization=false [2024-09-15 20:06:57,324 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-15 20:06:57,324 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-15 20:06:57,325 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-15 20:06:57,326 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-15 20:06:57,327 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-15 20:06:57,327 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-15 20:06:57,328 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-09-15 20:06:57,328 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-09-15 20:06:57,328 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-15 20:06:57,329 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-15 20:06:57,329 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-15 20:06:57,329 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-15 20:06:57,329 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None [2024-09-15 20:06:57,607 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-15 20:06:57,636 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-15 20:06:57,640 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-15 20:06:57,642 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-15 20:06:57,643 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-15 20:06:57,644 INFO L431 ainManager$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 [2024-09-15 20:06:57,723 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-15 20:06:57,724 INFO L274 PluginConnector]: CDTParser initialized [2024-09-15 20:06:57,725 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/nla-digbench-scaling/divbin2_unwindbound2.i [2024-09-15 20:06:59,231 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-15 20:06:59,447 INFO L384 CDTParser]: Found 1 translation units. [2024-09-15 20:06:59,448 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench-scaling/divbin2_unwindbound2.i [2024-09-15 20:06:59,456 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/b2fb092a8/eb907cdc132b4a31a15fc32fe2af6925/FLAGd224786e6 [2024-09-15 20:06:59,818 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/b2fb092a8/eb907cdc132b4a31a15fc32fe2af6925 [2024-09-15 20:06:59,818 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-15 20:06:59,819 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-09-15 20:06:59,822 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-15 20:06:59,822 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-15 20:06:59,828 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-15 20:06:59,828 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 15.09 08:06:57" (1/2) ... [2024-09-15 20:06:59,831 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@15504fe0 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 15.09 08:06:59, skipping insertion in model container [2024-09-15 20:06:59,832 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 15.09 08:06:57" (1/2) ... [2024-09-15 20:06:59,833 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@c488720 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 15.09 08:06:59, skipping insertion in model container [2024-09-15 20:06:59,833 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.09 08:06:59" (2/2) ... [2024-09-15 20:06:59,834 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@15504fe0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 08:06:59, skipping insertion in model container [2024-09-15 20:06:59,834 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.09 08:06:59" (2/2) ... [2024-09-15 20:06:59,848 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-15 20:06:59,849 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)))) [2024-09-15 20:06:59,849 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)))) [2024-09-15 20:06:59,849 INFO L1541 ArrayList]: Function contract at [L26]: requires (counter == 0), ensures (\old(counter) == 0) [2024-09-15 20:06:59,849 INFO L1541 ArrayList]: Function contract at [L18]: requires (1 <= \old(cond)), ensures (1 <= \old(cond)) [2024-09-15 20:06:59,870 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-15 20:07:00,065 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] [2024-09-15 20:07:00,096 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-15 20:07:00,103 INFO L200 MainTranslator]: Completed pre-run Start Parsing Global Start Parsing Global [2024-09-15 20:07:00,138 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 [2024-09-15 20:07:00,150 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-15 20:07:00,170 INFO L204 MainTranslator]: Completed translation [2024-09-15 20:07:00,171 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 08:07:00 WrapperNode [2024-09-15 20:07:00,171 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-15 20:07:00,172 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-15 20:07:00,172 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-15 20:07:00,173 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-15 20:07:00,189 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 08:07:00" (1/1) ... [2024-09-15 20:07:00,190 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 08:07:00" (1/1) ... [2024-09-15 20:07:00,201 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 08:07:00" (1/1) ... [2024-09-15 20:07:00,220 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 [2024-09-15 20:07:00,221 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 08:07:00" (1/1) ... [2024-09-15 20:07:00,221 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 08:07:00" (1/1) ... [2024-09-15 20:07:00,230 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 08:07:00" (1/1) ... [2024-09-15 20:07:00,236 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 08:07:00" (1/1) ... [2024-09-15 20:07:00,240 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 08:07:00" (1/1) ... [2024-09-15 20:07:00,241 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 08:07:00" (1/1) ... [2024-09-15 20:07:00,242 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-15 20:07:00,247 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-15 20:07:00,247 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-15 20:07:00,247 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-15 20:07:00,248 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 08:07:00" (1/1) ... [2024-09-15 20:07:00,254 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-15 20:07:00,263 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-09-15 20:07:00,289 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) [2024-09-15 20:07:00,295 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 [2024-09-15 20:07:00,341 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-09-15 20:07:00,341 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-15 20:07:00,342 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-09-15 20:07:00,343 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-09-15 20:07:00,343 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-09-15 20:07:00,344 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-09-15 20:07:00,344 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-09-15 20:07:00,344 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-09-15 20:07:00,344 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_perror_fail [2024-09-15 20:07:00,344 INFO L130 BoogieDeclarations]: Found specification of procedure __assert [2024-09-15 20:07:00,345 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-09-15 20:07:00,345 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-15 20:07:00,345 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2024-09-15 20:07:00,345 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-09-15 20:07:00,345 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-09-15 20:07:00,345 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-09-15 20:07:00,346 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-09-15 20:07:00,346 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-09-15 20:07:00,346 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-15 20:07:00,347 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-09-15 20:07:00,347 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-09-15 20:07:00,347 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-09-15 20:07:00,426 INFO L242 CfgBuilder]: Building ICFG [2024-09-15 20:07:00,428 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-15 20:07:00,488 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-15 20:07:00,640 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-15 20:07:00,655 INFO L291 CfgBuilder]: Performing block encoding [2024-09-15 20:07:00,678 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-15 20:07:00,678 INFO L318 CfgBuilder]: Removed 2 assume(true) statements. [2024-09-15 20:07:00,679 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.09 08:07:00 BoogieIcfgContainer [2024-09-15 20:07:00,679 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-15 20:07:00,680 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-09-15 20:07:00,680 INFO L270 PluginConnector]: Initializing Referee... [2024-09-15 20:07:00,680 INFO L274 PluginConnector]: Referee initialized [2024-09-15 20:07:00,681 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 15.09 08:06:57" (1/4) ... [2024-09-15 20:07:00,683 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@78911213 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 15.09 08:07:00, skipping insertion in model container [2024-09-15 20:07:00,683 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 15.09 08:06:59" (2/4) ... [2024-09-15 20:07:00,684 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@78911213 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 15.09 08:07:00, skipping insertion in model container [2024-09-15 20:07:00,684 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 08:07:00" (3/4) ... [2024-09-15 20:07:00,684 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@78911213 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 15.09 08:07:00, skipping insertion in model container [2024-09-15 20:07:00,684 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.09 08:07:00" (4/4) ... [2024-09-15 20:07:00,685 INFO L79 RefereeObserver]: Analyzing ICFG divbin2_unwindbound2.i [2024-09-15 20:07:00,689 INFO L112 InvariantChecker]: Found 2 loops. [2024-09-15 20:07:00,690 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L43-2 to ERROR_LOC mainErr4ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 10 edges. [2024-09-15 20:07:00,690 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L43-2 to ERROR_LOC mainErr2REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 4 edges. [2024-09-15 20:07:00,691 INFO L367 InvariantChecker]: Will check inductivity from ENTRY mainENTRY to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 2 edges. [2024-09-15 20:07:00,691 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L34-4 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 5 edges. [2024-09-15 20:07:00,691 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC ULTIMATE.startErr0REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 3 edges. [2024-09-15 20:07:00,691 INFO L367 InvariantChecker]: Will check inductivity from ENTRY __VERIFIER_assertENTRY to ERROR_LOC __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 5 edges. [2024-09-15 20:07:00,691 INFO L367 InvariantChecker]: Will check inductivity from ENTRY __VERIFIER_assertENTRY to ERROR_LOC __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 3 edges. [2024-09-15 20:07:00,691 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L34-4 to LOOP_INVARIANT_ERROR_LOC mainErr1ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 7 edges. [2024-09-15 20:07:00,692 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L43-2 to LOOP_INVARIANT_ERROR_LOC mainErr1ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 8 edges. [2024-09-15 20:07:00,692 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L43-2 to ERROR_LOC mainErr3REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 8 edges. [2024-09-15 20:07:00,692 INFO L130 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, 3 loop-free subgraphs from procedure entry to error location [2024-09-15 20:07:00,752 INFO L314 BlockEncoder]: Initial Icfg 9 locations, 10 edges [2024-09-15 20:07:00,753 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-15 20:07:00,753 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-15 20:07:00,755 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-15 20:07:00,756 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-15 20:07:00,758 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-15 20:07:00,817 INFO L101 BaseMinimizeStates]: Removed 22 edges and 7 locations by large block encoding [2024-09-15 20:07:00,818 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-15 20:07:00,818 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-15 20:07:00,818 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-15 20:07:00,819 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-15 20:07:00,826 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-15 20:07:00,842 INFO L514 InvariantChecker]: The annotation(s) from loop head L43-2 to error location mainErr4ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-15 20:07:00,869 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 4 edges [2024-09-15 20:07:00,870 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-15 20:07:00,870 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-15 20:07:00,870 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-15 20:07:00,870 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-15 20:07:00,870 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-15 20:07:00,882 INFO L101 BaseMinimizeStates]: Removed 6 edges and 3 locations by large block encoding [2024-09-15 20:07:00,882 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-15 20:07:00,882 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-15 20:07:00,882 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-15 20:07:00,883 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-15 20:07:00,883 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-15 20:07:04,888 INFO L510 InvariantChecker]: unknown inductivity: todo good error message [2024-09-15 20:07:04,905 INFO L314 BlockEncoder]: Initial Icfg 3 locations, 2 edges [2024-09-15 20:07:04,905 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-15 20:07:04,905 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-15 20:07:04,906 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-15 20:07:04,906 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-15 20:07:04,906 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-15 20:07:04,909 INFO L101 BaseMinimizeStates]: Removed 2 edges and 1 locations by large block encoding [2024-09-15 20:07:04,909 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-15 20:07:04,909 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-15 20:07:04,910 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-15 20:07:04,910 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-15 20:07:04,910 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-15 20:07:04,915 INFO L514 InvariantChecker]: The annotation(s) from entry mainENTRY to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-15 20:07:04,928 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 5 edges [2024-09-15 20:07:04,929 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-15 20:07:04,929 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-15 20:07:04,929 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-15 20:07:04,929 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-15 20:07:04,930 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-15 20:07:04,939 INFO L101 BaseMinimizeStates]: Removed 8 edges and 4 locations by large block encoding [2024-09-15 20:07:04,939 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-15 20:07:04,939 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-15 20:07:04,940 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-15 20:07:04,940 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-15 20:07:04,940 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-15 20:07:04,944 INFO L514 InvariantChecker]: The annotation(s) from loop head L34-4 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-15 20:07:04,956 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-15 20:07:04,956 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-15 20:07:04,956 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-15 20:07:04,956 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-15 20:07:04,957 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-15 20:07:04,957 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-15 20:07:04,958 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-15 20:07:04,958 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-15 20:07:04,958 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-15 20:07:04,958 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-15 20:07:04,958 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-15 20:07:04,958 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-15 20:07:04,960 INFO L514 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to error location ULTIMATE.startErr0REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-15 20:07:04,973 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 5 edges [2024-09-15 20:07:04,973 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-15 20:07:04,973 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-15 20:07:04,973 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-15 20:07:04,973 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-15 20:07:04,973 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-15 20:07:04,975 INFO L101 BaseMinimizeStates]: Removed 8 edges and 3 locations by large block encoding [2024-09-15 20:07:04,976 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-15 20:07:04,976 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-15 20:07:04,976 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-15 20:07:04,976 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-15 20:07:04,977 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-15 20:07:04,978 INFO L514 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-15 20:07:04,985 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-15 20:07:04,985 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-15 20:07:04,985 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-15 20:07:04,985 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-15 20:07:04,985 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-15 20:07:04,985 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-15 20:07:04,986 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-15 20:07:04,986 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-15 20:07:04,986 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-15 20:07:04,986 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-15 20:07:04,987 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-15 20:07:04,987 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-15 20:07:04,989 INFO L514 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION is inductive. [2024-09-15 20:07:05,005 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 7 edges [2024-09-15 20:07:05,005 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-15 20:07:05,006 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-15 20:07:05,006 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-15 20:07:05,007 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-15 20:07:05,007 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-15 20:07:05,022 INFO L101 BaseMinimizeStates]: Removed 12 edges and 4 locations by large block encoding [2024-09-15 20:07:05,022 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-15 20:07:05,022 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-15 20:07:05,023 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-15 20:07:05,023 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-15 20:07:05,026 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-15 20:07:05,034 INFO L514 InvariantChecker]: The annotation(s) from loop head L34-4 to loop head mainErr1ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-15 20:07:05,056 INFO L314 BlockEncoder]: Initial Icfg 8 locations, 8 edges [2024-09-15 20:07:05,056 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-15 20:07:05,057 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-15 20:07:05,057 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-15 20:07:05,057 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-15 20:07:05,057 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-15 20:07:05,080 INFO L101 BaseMinimizeStates]: Removed 14 edges and 6 locations by large block encoding [2024-09-15 20:07:05,080 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-15 20:07:05,080 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-15 20:07:05,080 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-15 20:07:05,080 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-15 20:07:05,085 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-15 20:07:05,089 INFO L514 InvariantChecker]: The annotation(s) from loop head L43-2 to loop head mainErr1ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-15 20:07:05,102 INFO L314 BlockEncoder]: Initial Icfg 7 locations, 8 edges [2024-09-15 20:07:05,102 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-15 20:07:05,102 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-15 20:07:05,102 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-15 20:07:05,102 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-15 20:07:05,102 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-15 20:07:05,120 INFO L101 BaseMinimizeStates]: Removed 14 edges and 5 locations by large block encoding [2024-09-15 20:07:05,121 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-15 20:07:05,121 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-15 20:07:05,121 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-15 20:07:05,121 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-15 20:07:05,126 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-15 20:07:09,130 INFO L510 InvariantChecker]: unknown inductivity: todo good error message [2024-09-15 20:07:09,135 INFO L58 RefereeStarter]: Insufficient resources for checking whether annotation is a valid proof of correctness. [2024-09-15 20:07:09,135 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@78911213 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee CFG 15.09 08:07:09, skipping insertion in model container [2024-09-15 20:07:09,135 INFO L131 PluginConnector]: ------------------------ END Referee---------------------------- [2024-09-15 20:07:09,137 INFO L158 Benchmark]: Toolchain (without parser) took 9316.95ms. Allocated memory was 140.5MB in the beginning and 192.9MB in the end (delta: 52.4MB). Free memory was 69.2MB in the beginning and 85.7MB in the end (delta: -16.4MB). Peak memory consumption was 38.4MB. Max. memory is 16.1GB. [2024-09-15 20:07:09,138 INFO L158 Benchmark]: Witness Parser took 0.30ms. Allocated memory is still 140.5MB. Free memory is still 90.6MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-15 20:07:09,138 INFO L158 Benchmark]: CDTParser took 0.17ms. Allocated memory is still 140.5MB. Free memory was 113.0MB in the beginning and 112.8MB in the end (delta: 138.3kB). There was no memory consumed. Max. memory is 16.1GB. [2024-09-15 20:07:09,139 INFO L158 Benchmark]: CACSL2BoogieTranslator took 349.53ms. Allocated memory was 140.5MB in the beginning and 192.9MB in the end (delta: 52.4MB). Free memory was 69.0MB in the beginning and 159.1MB in the end (delta: -90.1MB). Peak memory consumption was 10.0MB. Max. memory is 16.1GB. [2024-09-15 20:07:09,139 INFO L158 Benchmark]: Boogie Preprocessor took 73.84ms. Allocated memory is still 192.9MB. Free memory was 159.1MB in the beginning and 157.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-09-15 20:07:09,140 INFO L158 Benchmark]: RCFGBuilder took 432.28ms. Allocated memory is still 192.9MB. Free memory was 157.0MB in the beginning and 141.2MB in the end (delta: 15.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-09-15 20:07:09,140 INFO L158 Benchmark]: Referee took 8455.89ms. Allocated memory is still 192.9MB. Free memory was 141.2MB in the beginning and 85.7MB in the end (delta: 55.6MB). Peak memory consumption was 56.6MB. Max. memory is 16.1GB. [2024-09-15 20:07:09,143 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 38. 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. 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 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 loop head at line 38 to exit of procedure main. 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 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 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 0.30ms. Allocated memory is still 140.5MB. Free memory is still 90.6MB. There was no memory consumed. Max. memory is 16.1GB. * CDTParser took 0.17ms. Allocated memory is still 140.5MB. Free memory was 113.0MB in the beginning and 112.8MB in the end (delta: 138.3kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 349.53ms. Allocated memory was 140.5MB in the beginning and 192.9MB in the end (delta: 52.4MB). Free memory was 69.0MB in the beginning and 159.1MB in the end (delta: -90.1MB). Peak memory consumption was 10.0MB. Max. memory is 16.1GB. * Boogie Preprocessor took 73.84ms. Allocated memory is still 192.9MB. Free memory was 159.1MB in the beginning and 157.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 432.28ms. Allocated memory is still 192.9MB. Free memory was 157.0MB in the beginning and 141.2MB in the end (delta: 15.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Referee took 8455.89ms. Allocated memory is still 192.9MB. Free memory was 141.2MB in the beginning and 85.7MB in the end (delta: 55.6MB). Peak memory consumption was 56.6MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-09-15 20:07:09,164 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-04d6fb3-m [2024-09-15 20:07:11,372 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-15 20:07:11,464 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Bitvector.epf [2024-09-15 20:07:11,471 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-15 20:07:11,472 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-15 20:07:11,503 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-15 20:07:11,503 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-15 20:07:11,504 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-15 20:07:11,504 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-15 20:07:11,505 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-15 20:07:11,507 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-15 20:07:11,509 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-15 20:07:11,510 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-15 20:07:11,511 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-15 20:07:11,511 INFO L153 SettingsManager]: * Use SBE=true [2024-09-15 20:07:11,511 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-15 20:07:11,512 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-15 20:07:11,514 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-15 20:07:11,515 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-15 20:07:11,515 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-15 20:07:11,516 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-15 20:07:11,516 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-15 20:07:11,517 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-15 20:07:11,517 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-09-15 20:07:11,517 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-09-15 20:07:11,517 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-15 20:07:11,518 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-09-15 20:07:11,518 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-15 20:07:11,518 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-15 20:07:11,519 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-15 20:07:11,519 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-15 20:07:11,520 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-15 20:07:11,520 INFO L153 SettingsManager]: * Future-live optimization=false [2024-09-15 20:07:11,520 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-15 20:07:11,520 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-15 20:07:11,521 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-15 20:07:11,521 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-15 20:07:11,521 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-15 20:07:11,521 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-15 20:07:11,522 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-09-15 20:07:11,522 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-09-15 20:07:11,523 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-15 20:07:11,523 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-15 20:07:11,523 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-15 20:07:11,523 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-15 20:07:11,524 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2024-09-15 20:07:11,524 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None [2024-09-15 20:07:11,861 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-15 20:07:11,892 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-15 20:07:11,897 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-15 20:07:11,898 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-15 20:07:11,898 INFO L274 PluginConnector]: CDTParser initialized [2024-09-15 20:07:11,899 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/nla-digbench-scaling/divbin2_unwindbound2.i [2024-09-15 20:07:13,557 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-15 20:07:13,779 INFO L384 CDTParser]: Found 1 translation units. [2024-09-15 20:07:13,780 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench-scaling/divbin2_unwindbound2.i [2024-09-15 20:07:13,787 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/28aeac751/867c17665dd94c7ab752ebaec9b04ac0/FLAGd1a03c69e [2024-09-15 20:07:14,150 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/28aeac751/867c17665dd94c7ab752ebaec9b04ac0 [2024-09-15 20:07:14,152 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-15 20:07:14,153 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-15 20:07:14,153 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/automizer-verification-files/SV-COMP24_unreach-call/divbin2_unwindbound2.yml/witness-2.1.yml [2024-09-15 20:07:14,210 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-15 20:07:14,212 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-09-15 20:07:14,214 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-15 20:07:14,214 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-15 20:07:14,219 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-15 20:07:14,219 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.09 08:07:14" (1/2) ... [2024-09-15 20:07:14,223 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6a95265f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 08:07:14, skipping insertion in model container [2024-09-15 20:07:14,223 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.09 08:07:14" (1/2) ... [2024-09-15 20:07:14,225 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@6d8b8f7d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 08:07:14, skipping insertion in model container [2024-09-15 20:07:14,227 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 15.09 08:07:14" (2/2) ... [2024-09-15 20:07:14,228 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6a95265f and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 15.09 08:07:14, skipping insertion in model container [2024-09-15 20:07:14,228 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 15.09 08:07:14" (2/2) ... [2024-09-15 20:07:14,239 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-15 20:07:14,240 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)))) [2024-09-15 20:07:14,240 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)))) [2024-09-15 20:07:14,240 INFO L1541 ArrayList]: Function contract at [L18]: requires (1 <= \old(cond)), ensures (1 <= \old(cond)) [2024-09-15 20:07:14,240 INFO L1541 ArrayList]: Function contract at [L26]: requires (counter == 0), ensures (\old(counter) == 0) [2024-09-15 20:07:14,260 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-15 20:07:14,428 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] [2024-09-15 20:07:14,450 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-15 20:07:14,470 INFO L200 MainTranslator]: Completed pre-run Start Parsing Global Start Parsing Global [2024-09-15 20:07:14,511 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 [2024-09-15 20:07:14,529 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-15 20:07:14,546 INFO L204 MainTranslator]: Completed translation [2024-09-15 20:07:14,547 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 15.09 08:07:14 WrapperNode [2024-09-15 20:07:14,547 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-15 20:07:14,548 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-15 20:07:14,548 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-15 20:07:14,548 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-15 20:07:14,561 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 15.09 08:07:14" (1/1) ... [2024-09-15 20:07:14,562 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 15.09 08:07:14" (1/1) ... [2024-09-15 20:07:14,570 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 15.09 08:07:14" (1/1) ... [2024-09-15 20:07:14,583 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 [2024-09-15 20:07:14,583 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 15.09 08:07:14" (1/1) ... [2024-09-15 20:07:14,583 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 15.09 08:07:14" (1/1) ... [2024-09-15 20:07:14,593 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 15.09 08:07:14" (1/1) ... [2024-09-15 20:07:14,600 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 15.09 08:07:14" (1/1) ... [2024-09-15 20:07:14,602 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 15.09 08:07:14" (1/1) ... [2024-09-15 20:07:14,604 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 15.09 08:07:14" (1/1) ... [2024-09-15 20:07:14,606 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-15 20:07:14,607 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-15 20:07:14,607 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-15 20:07:14,607 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-15 20:07:14,608 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 15.09 08:07:14" (1/1) ... [2024-09-15 20:07:14,615 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-15 20:07:14,625 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-09-15 20:07:14,641 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) [2024-09-15 20:07:14,647 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 [2024-09-15 20:07:14,690 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-09-15 20:07:14,691 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-15 20:07:14,691 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-09-15 20:07:14,691 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-09-15 20:07:14,691 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-09-15 20:07:14,691 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-09-15 20:07:14,692 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-09-15 20:07:14,692 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-09-15 20:07:14,692 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_perror_fail [2024-09-15 20:07:14,692 INFO L130 BoogieDeclarations]: Found specification of procedure __assert [2024-09-15 20:07:14,692 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-09-15 20:07:14,692 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-15 20:07:14,692 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2024-09-15 20:07:14,693 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-09-15 20:07:14,693 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-09-15 20:07:14,693 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-09-15 20:07:14,693 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-09-15 20:07:14,694 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-09-15 20:07:14,694 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-15 20:07:14,694 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2024-09-15 20:07:14,694 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2024-09-15 20:07:14,696 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-09-15 20:07:14,775 INFO L242 CfgBuilder]: Building ICFG [2024-09-15 20:07:14,777 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-15 20:07:14,828 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-15 20:07:15,058 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-15 20:07:15,074 INFO L291 CfgBuilder]: Performing block encoding [2024-09-15 20:07:15,118 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-15 20:07:15,118 INFO L318 CfgBuilder]: Removed 2 assume(true) statements. [2024-09-15 20:07:15,119 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.09 08:07:15 BoogieIcfgContainer [2024-09-15 20:07:15,119 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-15 20:07:15,120 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-09-15 20:07:15,120 INFO L270 PluginConnector]: Initializing Referee... [2024-09-15 20:07:15,120 INFO L274 PluginConnector]: Referee initialized [2024-09-15 20:07:15,120 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 15.09 08:07:14" (1/4) ... [2024-09-15 20:07:15,121 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@67fb37f9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 15.09 08:07:15, skipping insertion in model container [2024-09-15 20:07:15,121 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 15.09 08:07:14" (2/4) ... [2024-09-15 20:07:15,121 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@67fb37f9 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 15.09 08:07:15, skipping insertion in model container [2024-09-15 20:07:15,121 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 15.09 08:07:14" (3/4) ... [2024-09-15 20:07:15,122 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@67fb37f9 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 15.09 08:07:15, skipping insertion in model container [2024-09-15 20:07:15,122 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.09 08:07:15" (4/4) ... [2024-09-15 20:07:15,124 INFO L79 RefereeObserver]: Analyzing ICFG divbin2_unwindbound2.i [2024-09-15 20:07:15,128 INFO L112 InvariantChecker]: Found 2 loops. [2024-09-15 20:07:15,129 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L43-2 to ERROR_LOC mainErr4ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 10 edges. [2024-09-15 20:07:15,130 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L43-2 to ERROR_LOC mainErr2REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 4 edges. [2024-09-15 20:07:15,130 INFO L367 InvariantChecker]: Will check inductivity from ENTRY mainENTRY to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 2 edges. [2024-09-15 20:07:15,130 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L34-4 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 5 edges. [2024-09-15 20:07:15,131 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC ULTIMATE.startErr0REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 3 edges. [2024-09-15 20:07:15,131 INFO L367 InvariantChecker]: Will check inductivity from ENTRY __VERIFIER_assertENTRY to ERROR_LOC __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 5 edges. [2024-09-15 20:07:15,131 INFO L367 InvariantChecker]: Will check inductivity from ENTRY __VERIFIER_assertENTRY to ERROR_LOC __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 3 edges. [2024-09-15 20:07:15,131 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L34-4 to LOOP_INVARIANT_ERROR_LOC mainErr1ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 7 edges. [2024-09-15 20:07:15,131 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L43-2 to LOOP_INVARIANT_ERROR_LOC mainErr1ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 8 edges. [2024-09-15 20:07:15,132 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L43-2 to ERROR_LOC mainErr3REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 8 edges. [2024-09-15 20:07:15,132 INFO L130 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 [2024-09-15 20:07:15,192 INFO L314 BlockEncoder]: Initial Icfg 9 locations, 10 edges [2024-09-15 20:07:15,195 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-15 20:07:15,196 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-15 20:07:15,196 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-15 20:07:15,197 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-15 20:07:15,199 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-15 20:07:15,259 INFO L101 BaseMinimizeStates]: Removed 22 edges and 7 locations by large block encoding [2024-09-15 20:07:15,261 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-15 20:07:15,261 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-15 20:07:15,261 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-15 20:07:15,261 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-15 20:07:15,267 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-15 20:07:15,282 INFO L514 InvariantChecker]: The annotation(s) from loop head L43-2 to error location mainErr4ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-15 20:07:15,307 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 4 edges [2024-09-15 20:07:15,311 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-15 20:07:15,311 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-15 20:07:15,311 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-15 20:07:15,311 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-15 20:07:15,312 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-15 20:07:15,319 INFO L101 BaseMinimizeStates]: Removed 6 edges and 3 locations by large block encoding [2024-09-15 20:07:15,320 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-15 20:07:15,320 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-15 20:07:15,320 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-15 20:07:15,320 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-15 20:07:15,320 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-15 20:07:15,338 INFO L514 InvariantChecker]: The annotation(s) from loop head L43-2 to error location mainErr2REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-15 20:07:15,363 INFO L314 BlockEncoder]: Initial Icfg 3 locations, 2 edges [2024-09-15 20:07:15,364 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-15 20:07:15,364 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-15 20:07:15,365 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-15 20:07:15,365 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-15 20:07:15,365 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-15 20:07:15,367 INFO L101 BaseMinimizeStates]: Removed 2 edges and 1 locations by large block encoding [2024-09-15 20:07:15,368 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-15 20:07:15,368 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-15 20:07:15,368 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-15 20:07:15,368 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-15 20:07:15,374 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-15 20:07:15,382 INFO L514 InvariantChecker]: The annotation(s) from entry mainENTRY to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-15 20:07:15,394 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 5 edges [2024-09-15 20:07:15,394 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-15 20:07:15,395 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-15 20:07:15,395 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-15 20:07:15,395 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-15 20:07:15,395 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-15 20:07:15,403 INFO L101 BaseMinimizeStates]: Removed 8 edges and 4 locations by large block encoding [2024-09-15 20:07:15,404 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-15 20:07:15,404 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-15 20:07:15,404 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-15 20:07:15,404 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-15 20:07:15,404 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-15 20:07:15,408 INFO L514 InvariantChecker]: The annotation(s) from loop head L34-4 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-15 20:07:15,419 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-15 20:07:15,420 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-15 20:07:15,420 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-15 20:07:15,420 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-15 20:07:15,420 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-15 20:07:15,420 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-15 20:07:15,421 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-15 20:07:15,422 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-15 20:07:15,422 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-15 20:07:15,422 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-15 20:07:15,422 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-15 20:07:15,422 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-15 20:07:15,424 INFO L514 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to error location ULTIMATE.startErr0REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-15 20:07:15,434 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 5 edges [2024-09-15 20:07:15,435 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-15 20:07:15,435 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-15 20:07:15,435 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-15 20:07:15,435 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-15 20:07:15,435 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-15 20:07:15,440 INFO L101 BaseMinimizeStates]: Removed 8 edges and 3 locations by large block encoding [2024-09-15 20:07:15,440 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-15 20:07:15,441 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-15 20:07:15,441 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-15 20:07:15,441 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-15 20:07:15,442 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-15 20:07:15,445 INFO L514 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-15 20:07:15,465 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-15 20:07:15,465 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-15 20:07:15,466 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-15 20:07:15,466 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-15 20:07:15,466 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-15 20:07:15,466 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-15 20:07:15,469 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-15 20:07:15,470 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-15 20:07:15,470 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-15 20:07:15,470 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-15 20:07:15,470 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-15 20:07:15,470 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-15 20:07:15,473 INFO L514 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION is inductive. [2024-09-15 20:07:15,487 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 7 edges [2024-09-15 20:07:15,487 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-15 20:07:15,487 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-15 20:07:15,490 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-15 20:07:15,490 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-15 20:07:15,490 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-15 20:07:15,509 INFO L101 BaseMinimizeStates]: Removed 12 edges and 4 locations by large block encoding [2024-09-15 20:07:15,510 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-15 20:07:15,510 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-15 20:07:15,510 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-15 20:07:15,510 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-15 20:07:15,515 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-15 20:07:15,544 INFO L314 BlockEncoder]: Initial Icfg 8 locations, 8 edges [2024-09-15 20:07:15,545 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-15 20:07:15,545 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-15 20:07:15,545 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-15 20:07:15,546 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-15 20:07:15,546 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-15 20:07:15,571 INFO L101 BaseMinimizeStates]: Removed 14 edges and 6 locations by large block encoding [2024-09-15 20:07:15,572 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-15 20:07:15,572 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-15 20:07:15,572 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-15 20:07:15,572 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-15 20:07:15,576 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-15 20:07:15,589 INFO L514 InvariantChecker]: The annotation(s) from loop head L43-2 to loop head mainErr1ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-15 20:07:15,605 INFO L314 BlockEncoder]: Initial Icfg 7 locations, 8 edges [2024-09-15 20:07:15,606 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-15 20:07:15,606 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-15 20:07:15,606 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-15 20:07:15,606 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-15 20:07:15,606 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-15 20:07:15,622 INFO L101 BaseMinimizeStates]: Removed 14 edges and 5 locations by large block encoding [2024-09-15 20:07:15,622 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-15 20:07:15,623 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-15 20:07:15,623 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-15 20:07:15,623 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-15 20:07:15,625 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-15 20:07:15,645 INFO L514 InvariantChecker]: The annotation(s) from loop head L43-2 to error location mainErr3REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-15 20:07:15,656 INFO L58 RefereeStarter]: Annotation is not a valid proof of correctness. [2024-09-15 20:07:15,656 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@67fb37f9 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CFG 15.09 08:07:15, skipping insertion in model container [2024-09-15 20:07:15,657 INFO L131 PluginConnector]: ------------------------ END Referee---------------------------- [2024-09-15 20:07:15,660 INFO L158 Benchmark]: Toolchain (without parser) took 1445.69ms. Allocated memory is still 81.8MB. Free memory was 51.9MB in the beginning and 36.9MB in the end (delta: 15.0MB). Peak memory consumption was 33.1MB. Max. memory is 16.1GB. [2024-09-15 20:07:15,661 INFO L158 Benchmark]: CDTParser took 0.20ms. Allocated memory is still 56.6MB. Free memory was 28.8MB in the beginning and 28.8MB in the end (delta: 73.4kB). There was no memory consumed. Max. memory is 16.1GB. [2024-09-15 20:07:15,661 INFO L158 Benchmark]: Witness Parser took 0.16ms. Allocated memory is still 81.8MB. Free memory is still 53.9MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-15 20:07:15,662 INFO L158 Benchmark]: CACSL2BoogieTranslator took 333.73ms. Allocated memory is still 81.8MB. Free memory was 51.7MB in the beginning and 37.5MB in the end (delta: 14.3MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-09-15 20:07:15,663 INFO L158 Benchmark]: Boogie Preprocessor took 57.96ms. Allocated memory is still 81.8MB. Free memory was 37.5MB in the beginning and 35.0MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-09-15 20:07:15,664 INFO L158 Benchmark]: RCFGBuilder took 512.20ms. Allocated memory is still 81.8MB. Free memory was 35.0MB in the beginning and 56.6MB in the end (delta: -21.5MB). Peak memory consumption was 15.7MB. Max. memory is 16.1GB. [2024-09-15 20:07:15,664 INFO L158 Benchmark]: Referee took 537.08ms. Allocated memory is still 81.8MB. Free memory was 56.6MB in the beginning and 36.9MB in the end (delta: 19.6MB). Peak memory consumption was 36.3MB. Max. memory is 16.1GB. [2024-09-15 20:07:15,669 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 entry of procedure __VERIFIER_assert to check that a call to reach_error is unreachable at line 20. Annotation is valid for all loop-free paths from entry of procedure __VERIFIER_assert to exit of procedure __VERIFIER_assert. 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 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 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 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. * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20ms. Allocated memory is still 56.6MB. Free memory was 28.8MB in the beginning and 28.8MB in the end (delta: 73.4kB). There was no memory consumed. Max. memory is 16.1GB. * Witness Parser took 0.16ms. Allocated memory is still 81.8MB. Free memory is still 53.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 333.73ms. Allocated memory is still 81.8MB. Free memory was 51.7MB in the beginning and 37.5MB in the end (delta: 14.3MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Preprocessor took 57.96ms. Allocated memory is still 81.8MB. Free memory was 37.5MB in the beginning and 35.0MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 512.20ms. Allocated memory is still 81.8MB. Free memory was 35.0MB in the beginning and 56.6MB in the end (delta: -21.5MB). Peak memory consumption was 15.7MB. Max. memory is 16.1GB. * Referee took 537.08ms. Allocated memory is still 81.8MB. Free memory was 56.6MB in the beginning and 36.9MB in the end (delta: 19.6MB). Peak memory consumption was 36.3MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be incorrect! [2024-09-15 20:07:15,707 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