./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 de325976 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-de32597-m [2024-09-17 19:40:16,261 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-17 19:40:16,311 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Default.epf [2024-09-17 19:40:16,315 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-17 19:40:16,315 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-17 19:40:16,348 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-17 19:40:16,348 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-17 19:40:16,349 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-17 19:40:16,349 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-17 19:40:16,349 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-17 19:40:16,350 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-17 19:40:16,350 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-17 19:40:16,351 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-17 19:40:16,351 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-17 19:40:16,352 INFO L153 SettingsManager]: * Use SBE=true [2024-09-17 19:40:16,353 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-17 19:40:16,355 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-17 19:40:16,356 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-17 19:40:16,356 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-09-17 19:40:16,356 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-17 19:40:16,357 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-17 19:40:16,357 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-17 19:40:16,358 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-17 19:40:16,358 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-17 19:40:16,358 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-17 19:40:16,358 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-17 19:40:16,359 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-17 19:40:16,359 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-17 19:40:16,359 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-17 19:40:16,360 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-17 19:40:16,360 INFO L153 SettingsManager]: * Future-live optimization=false [2024-09-17 19:40:16,360 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-17 19:40:16,360 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-17 19:40:16,361 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-17 19:40:16,361 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-17 19:40:16,361 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-17 19:40:16,362 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-17 19:40:16,362 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-09-17 19:40:16,362 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-09-17 19:40:16,363 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-17 19:40:16,363 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-17 19:40:16,363 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-17 19:40:16,363 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-17 19:40:16,364 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None [2024-09-17 19:40:16,641 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-17 19:40:16,660 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-17 19:40:16,663 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-17 19:40:16,665 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-17 19:40:16,666 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-17 19:40:16,667 INFO L431 ainManager$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 [2024-09-17 19:40:16,725 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-17 19:40:16,726 INFO L274 PluginConnector]: CDTParser initialized [2024-09-17 19:40:16,726 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/nla-digbench-scaling/divbin2_unwindbound2.i [2024-09-17 19:40:18,188 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-17 19:40:18,371 INFO L384 CDTParser]: Found 1 translation units. [2024-09-17 19:40:18,372 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench-scaling/divbin2_unwindbound2.i [2024-09-17 19:40:18,377 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/f4c8858c0/30241acf20ad4f43b208237226bcfe85/FLAGfe6b4fa41 [2024-09-17 19:40:18,763 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/f4c8858c0/30241acf20ad4f43b208237226bcfe85 [2024-09-17 19:40:18,764 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-17 19:40:18,765 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-09-17 19:40:18,767 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-17 19:40:18,767 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-17 19:40:18,771 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-17 19:40:18,772 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 17.09 07:40:16" (1/2) ... [2024-09-17 19:40:18,773 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@371ea21e and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 17.09 07:40:18, skipping insertion in model container [2024-09-17 19:40:18,773 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 17.09 07:40:16" (1/2) ... [2024-09-17 19:40:18,774 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@4c8cbd1c and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 17.09 07:40:18, skipping insertion in model container [2024-09-17 19:40:18,774 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.09 07:40:18" (2/2) ... [2024-09-17 19:40:18,775 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@371ea21e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 07:40:18, skipping insertion in model container [2024-09-17 19:40:18,775 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.09 07:40:18" (2/2) ... [2024-09-17 19:40:18,786 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-17 19:40:18,787 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)))) [2024-09-17 19:40:18,787 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)))) [2024-09-17 19:40:18,787 INFO L1541 ArrayList]: Function contract at [L18]: requires (1 <= \old(cond)), ensures (1 <= \old(cond)) [2024-09-17 19:40:18,787 INFO L1541 ArrayList]: Function contract at [L26]: requires (counter == 0), ensures (\old(counter) == 0) [2024-09-17 19:40:18,807 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-17 19:40:18,963 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] [2024-09-17 19:40:18,986 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-17 19:40:19,002 INFO L200 MainTranslator]: Completed pre-run Start Parsing Global Start Parsing Global [2024-09-17 19:40:19,041 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 [2024-09-17 19:40:19,052 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-17 19:40:19,065 INFO L204 MainTranslator]: Completed translation [2024-09-17 19:40:19,066 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 07:40:19 WrapperNode [2024-09-17 19:40:19,066 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-17 19:40:19,067 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-17 19:40:19,067 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-17 19:40:19,067 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-17 19:40:19,080 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 07:40:19" (1/1) ... [2024-09-17 19:40:19,081 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 07:40:19" (1/1) ... [2024-09-17 19:40:19,088 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 07:40:19" (1/1) ... [2024-09-17 19:40:19,102 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 [2024-09-17 19:40:19,103 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 07:40:19" (1/1) ... [2024-09-17 19:40:19,103 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 07:40:19" (1/1) ... [2024-09-17 19:40:19,111 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 07:40:19" (1/1) ... [2024-09-17 19:40:19,118 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 07:40:19" (1/1) ... [2024-09-17 19:40:19,119 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 07:40:19" (1/1) ... [2024-09-17 19:40:19,120 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 07:40:19" (1/1) ... [2024-09-17 19:40:19,126 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-17 19:40:19,127 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-17 19:40:19,127 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-17 19:40:19,127 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-17 19:40:19,128 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 07:40:19" (1/1) ... [2024-09-17 19:40:19,137 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-17 19:40:19,146 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-09-17 19:40:19,168 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) [2024-09-17 19:40:19,174 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 [2024-09-17 19:40:19,213 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-09-17 19:40:19,213 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-17 19:40:19,213 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-09-17 19:40:19,215 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-09-17 19:40:19,215 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-09-17 19:40:19,215 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-09-17 19:40:19,215 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-09-17 19:40:19,216 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-09-17 19:40:19,216 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_perror_fail [2024-09-17 19:40:19,216 INFO L130 BoogieDeclarations]: Found specification of procedure __assert [2024-09-17 19:40:19,216 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-09-17 19:40:19,216 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-17 19:40:19,217 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2024-09-17 19:40:19,217 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-09-17 19:40:19,217 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-09-17 19:40:19,217 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-09-17 19:40:19,218 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-09-17 19:40:19,218 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-09-17 19:40:19,218 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-17 19:40:19,218 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-09-17 19:40:19,218 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-09-17 19:40:19,218 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-09-17 19:40:19,294 INFO L242 CfgBuilder]: Building ICFG [2024-09-17 19:40:19,299 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-17 19:40:19,365 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-17 19:40:19,494 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-17 19:40:19,509 INFO L291 CfgBuilder]: Performing block encoding [2024-09-17 19:40:19,539 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-17 19:40:19,540 INFO L318 CfgBuilder]: Removed 2 assume(true) statements. [2024-09-17 19:40:19,540 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.09 07:40:19 BoogieIcfgContainer [2024-09-17 19:40:19,540 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-17 19:40:19,541 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-09-17 19:40:19,541 INFO L270 PluginConnector]: Initializing Referee... [2024-09-17 19:40:19,542 INFO L274 PluginConnector]: Referee initialized [2024-09-17 19:40:19,543 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 17.09 07:40:16" (1/4) ... [2024-09-17 19:40:19,543 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@16486d3c and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 17.09 07:40:19, skipping insertion in model container [2024-09-17 19:40:19,544 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 17.09 07:40:18" (2/4) ... [2024-09-17 19:40:19,545 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@16486d3c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 17.09 07:40:19, skipping insertion in model container [2024-09-17 19:40:19,545 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 07:40:19" (3/4) ... [2024-09-17 19:40:19,545 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@16486d3c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 17.09 07:40:19, skipping insertion in model container [2024-09-17 19:40:19,545 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.09 07:40:19" (4/4) ... [2024-09-17 19:40:19,546 INFO L79 RefereeObserver]: Analyzing ICFG divbin2_unwindbound2.i [2024-09-17 19:40:19,550 INFO L113 InvariantChecker]: Found 2 loops. [2024-09-17 19:40:19,554 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L43-2 to ERROR_LOC mainErr4ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 10 edges. [2024-09-17 19:40:19,554 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L43-2 to ERROR_LOC mainErr2REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 4 edges. [2024-09-17 19:40:19,555 INFO L373 InvariantChecker]: Will check inductivity from ENTRY mainENTRY to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 2 edges. [2024-09-17 19:40:19,555 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L34-4 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 5 edges. [2024-09-17 19:40:19,555 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC ULTIMATE.startErr0REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 3 edges. [2024-09-17 19:40:19,555 INFO L373 InvariantChecker]: Will check inductivity from ENTRY __VERIFIER_assertENTRY to ERROR_LOC __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 5 edges. [2024-09-17 19:40:19,555 INFO L373 InvariantChecker]: Will check inductivity from ENTRY __VERIFIER_assertENTRY to ERROR_LOC __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 3 edges. [2024-09-17 19:40:19,556 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L34-4 to LOOP_INVARIANT_ERROR_LOC mainErr1ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 7 edges. [2024-09-17 19:40:19,556 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L43-2 to LOOP_INVARIANT_ERROR_LOC mainErr1ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 8 edges. [2024-09-17 19:40:19,556 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L43-2 to ERROR_LOC mainErr3REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 8 edges. [2024-09-17 19:40:19,556 INFO L131 InvariantChecker]: Will check 3 loop-free subgraphs from loop head to error location, 1 loop-free subgraphs from procedure entry to loop head, 3 loop-free subgraphs from loop head to loop head, 3 loop-free subgraphs from procedure entry to error location [2024-09-17 19:40:19,611 INFO L314 BlockEncoder]: Initial Icfg 9 locations, 10 edges [2024-09-17 19:40:19,614 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-17 19:40:19,616 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-17 19:40:19,617 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-17 19:40:19,618 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-17 19:40:19,620 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-17 19:40:19,688 INFO L101 BaseMinimizeStates]: Removed 22 edges and 7 locations by large block encoding [2024-09-17 19:40:19,690 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-17 19:40:19,690 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-17 19:40:19,690 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-17 19:40:19,690 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-17 19:40:19,694 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-17 19:40:19,713 INFO L520 InvariantChecker]: The annotation(s) from loop head L43-2 to error location mainErr4ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-17 19:40:19,733 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 4 edges [2024-09-17 19:40:19,734 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-17 19:40:19,734 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-17 19:40:19,735 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-17 19:40:19,735 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-17 19:40:19,735 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-17 19:40:19,743 INFO L101 BaseMinimizeStates]: Removed 6 edges and 3 locations by large block encoding [2024-09-17 19:40:19,744 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-17 19:40:19,744 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-17 19:40:19,744 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-17 19:40:19,744 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-17 19:40:19,744 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-17 19:40:23,748 INFO L516 InvariantChecker]: unknown inductivity: todo good error message [2024-09-17 19:40:23,762 INFO L314 BlockEncoder]: Initial Icfg 3 locations, 2 edges [2024-09-17 19:40:23,762 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-17 19:40:23,762 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-17 19:40:23,762 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-17 19:40:23,762 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-17 19:40:23,762 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-17 19:40:23,765 INFO L101 BaseMinimizeStates]: Removed 2 edges and 1 locations by large block encoding [2024-09-17 19:40:23,765 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-17 19:40:23,765 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-17 19:40:23,766 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-17 19:40:23,766 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-17 19:40:23,766 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-17 19:40:23,772 INFO L520 InvariantChecker]: The annotation(s) from entry mainENTRY to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-17 19:40:23,785 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 5 edges [2024-09-17 19:40:23,785 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-17 19:40:23,785 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-17 19:40:23,786 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-17 19:40:23,786 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-17 19:40:23,786 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-17 19:40:23,810 INFO L101 BaseMinimizeStates]: Removed 8 edges and 4 locations by large block encoding [2024-09-17 19:40:23,813 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-17 19:40:23,813 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-17 19:40:23,813 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-17 19:40:23,813 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-17 19:40:23,813 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-17 19:40:23,817 INFO L520 InvariantChecker]: The annotation(s) from loop head L34-4 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-17 19:40:23,838 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-17 19:40:23,838 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-17 19:40:23,838 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-17 19:40:23,838 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-17 19:40:23,839 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-17 19:40:23,839 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-17 19:40:23,839 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-17 19:40:23,840 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-17 19:40:23,840 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-17 19:40:23,840 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-17 19:40:23,840 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-17 19:40:23,840 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-17 19:40:23,843 INFO L520 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to error location ULTIMATE.startErr0REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-17 19:40:23,856 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 5 edges [2024-09-17 19:40:23,856 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-17 19:40:23,856 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-17 19:40:23,857 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-17 19:40:23,857 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-17 19:40:23,857 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-17 19:40:23,860 INFO L101 BaseMinimizeStates]: Removed 8 edges and 3 locations by large block encoding [2024-09-17 19:40:23,860 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-17 19:40:23,860 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-17 19:40:23,861 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-17 19:40:23,861 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-17 19:40:23,862 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-17 19:40:23,864 INFO L520 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-17 19:40:23,879 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-17 19:40:23,879 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-17 19:40:23,879 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-17 19:40:23,879 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-17 19:40:23,879 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-17 19:40:23,880 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-17 19:40:23,881 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-17 19:40:23,881 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-17 19:40:23,881 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-17 19:40:23,881 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-17 19:40:23,881 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-17 19:40:23,881 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-17 19:40:23,884 INFO L520 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION is inductive. [2024-09-17 19:40:23,895 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 7 edges [2024-09-17 19:40:23,896 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-17 19:40:23,896 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-17 19:40:23,896 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-17 19:40:23,898 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-17 19:40:23,898 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-17 19:40:23,912 INFO L101 BaseMinimizeStates]: Removed 12 edges and 4 locations by large block encoding [2024-09-17 19:40:23,912 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-17 19:40:23,912 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-17 19:40:23,913 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-17 19:40:23,913 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-17 19:40:23,915 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-17 19:40:23,920 INFO L520 InvariantChecker]: The annotation(s) from loop head L34-4 to loop head mainErr1ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-17 19:40:23,931 INFO L314 BlockEncoder]: Initial Icfg 8 locations, 8 edges [2024-09-17 19:40:23,931 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-17 19:40:23,931 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-17 19:40:23,931 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-17 19:40:23,931 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-17 19:40:23,932 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-17 19:40:23,951 INFO L101 BaseMinimizeStates]: Removed 14 edges and 6 locations by large block encoding [2024-09-17 19:40:23,951 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-17 19:40:23,951 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-17 19:40:23,952 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-17 19:40:23,952 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-17 19:40:23,957 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-17 19:40:23,960 INFO L520 InvariantChecker]: The annotation(s) from loop head L43-2 to loop head mainErr1ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-17 19:40:23,969 INFO L314 BlockEncoder]: Initial Icfg 7 locations, 8 edges [2024-09-17 19:40:23,969 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-17 19:40:23,969 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-17 19:40:23,970 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-17 19:40:23,970 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-17 19:40:23,970 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-17 19:40:23,981 INFO L101 BaseMinimizeStates]: Removed 14 edges and 5 locations by large block encoding [2024-09-17 19:40:23,982 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-17 19:40:23,982 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-17 19:40:23,982 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-17 19:40:23,982 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-17 19:40:23,985 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-17 19:40:27,988 INFO L516 InvariantChecker]: unknown inductivity: todo good error message [2024-09-17 19:40:27,994 INFO L58 RefereeStarter]: Insufficient resources for checking whether annotation is a valid proof of correctness. [2024-09-17 19:40:27,997 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@16486d3c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee CFG 17.09 07:40:27, skipping insertion in model container [2024-09-17 19:40:27,997 INFO L131 PluginConnector]: ------------------------ END Referee---------------------------- [2024-09-17 19:40:27,999 INFO L158 Benchmark]: Toolchain (without parser) took 9233.06ms. Allocated memory is still 169.9MB. Free memory was 117.6MB in the beginning and 106.4MB in the end (delta: 11.2MB). Peak memory consumption was 60.4MB. Max. memory is 16.1GB. [2024-09-17 19:40:28,000 INFO L158 Benchmark]: Witness Parser took 0.21ms. Allocated memory is still 169.9MB. Free memory is still 140.0MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-17 19:40:28,000 INFO L158 Benchmark]: CDTParser took 0.12ms. Allocated memory is still 169.9MB. Free memory is still 138.0MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-17 19:40:28,001 INFO L158 Benchmark]: CACSL2BoogieTranslator took 299.20ms. Allocated memory is still 169.9MB. Free memory was 117.6MB in the beginning and 102.8MB in the end (delta: 14.8MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-09-17 19:40:28,002 INFO L158 Benchmark]: Boogie Preprocessor took 59.18ms. Allocated memory is still 169.9MB. Free memory was 102.8MB in the beginning and 100.5MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-09-17 19:40:28,002 INFO L158 Benchmark]: RCFGBuilder took 413.96ms. Allocated memory is still 169.9MB. Free memory was 100.5MB in the beginning and 85.5MB in the end (delta: 15.0MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-09-17 19:40:28,004 INFO L158 Benchmark]: Referee took 8456.28ms. Allocated memory is still 169.9MB. Free memory was 85.5MB in the beginning and 106.4MB in the end (delta: -20.9MB). Peak memory consumption was 29.0MB. Max. memory is 16.1GB. [2024-09-17 19:40:28,007 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 __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 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 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. * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Witness Parser took 0.21ms. Allocated memory is still 169.9MB. Free memory is still 140.0MB. There was no memory consumed. Max. memory is 16.1GB. * CDTParser took 0.12ms. Allocated memory is still 169.9MB. Free memory is still 138.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 299.20ms. Allocated memory is still 169.9MB. Free memory was 117.6MB in the beginning and 102.8MB in the end (delta: 14.8MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Preprocessor took 59.18ms. Allocated memory is still 169.9MB. Free memory was 102.8MB in the beginning and 100.5MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 413.96ms. Allocated memory is still 169.9MB. Free memory was 100.5MB in the beginning and 85.5MB in the end (delta: 15.0MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Referee took 8456.28ms. Allocated memory is still 169.9MB. Free memory was 85.5MB in the beginning and 106.4MB in the end (delta: -20.9MB). Peak memory consumption was 29.0MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-09-17 19:40:28,029 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-de32597-m [2024-09-17 19:40:30,133 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-17 19:40:30,208 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Bitvector.epf [2024-09-17 19:40:30,214 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-17 19:40:30,217 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-17 19:40:30,250 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-17 19:40:30,250 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-17 19:40:30,251 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-17 19:40:30,252 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-17 19:40:30,253 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-17 19:40:30,253 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-17 19:40:30,254 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-17 19:40:30,254 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-17 19:40:30,254 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-17 19:40:30,255 INFO L153 SettingsManager]: * Use SBE=true [2024-09-17 19:40:30,255 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-17 19:40:30,255 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-17 19:40:30,255 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-17 19:40:30,256 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-17 19:40:30,256 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-17 19:40:30,260 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-17 19:40:30,260 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-17 19:40:30,261 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-17 19:40:30,261 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-09-17 19:40:30,261 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-09-17 19:40:30,261 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-17 19:40:30,261 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-09-17 19:40:30,261 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-17 19:40:30,262 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-17 19:40:30,262 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-17 19:40:30,262 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-17 19:40:30,262 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-17 19:40:30,262 INFO L153 SettingsManager]: * Future-live optimization=false [2024-09-17 19:40:30,263 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-17 19:40:30,263 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-17 19:40:30,271 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-17 19:40:30,272 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-17 19:40:30,272 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-17 19:40:30,272 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-17 19:40:30,272 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-09-17 19:40:30,272 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-09-17 19:40:30,273 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-17 19:40:30,273 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-17 19:40:30,274 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-17 19:40:30,274 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-17 19:40:30,274 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2024-09-17 19:40:30,274 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None [2024-09-17 19:40:30,578 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-17 19:40:30,609 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-17 19:40:30,612 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-17 19:40:30,613 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-17 19:40:30,614 INFO L274 PluginConnector]: CDTParser initialized [2024-09-17 19:40:30,616 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/nla-digbench-scaling/divbin2_unwindbound2.i [2024-09-17 19:40:32,042 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-17 19:40:32,283 INFO L384 CDTParser]: Found 1 translation units. [2024-09-17 19:40:32,284 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench-scaling/divbin2_unwindbound2.i [2024-09-17 19:40:32,291 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/faf9fe3e4/8a16a1cf484c4dca9c33c1f882cbe41b/FLAG2df6ed42b [2024-09-17 19:40:32,626 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/faf9fe3e4/8a16a1cf484c4dca9c33c1f882cbe41b [2024-09-17 19:40:32,628 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-17 19:40:32,630 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-17 19:40:32,630 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/automizer-verification-files/SV-COMP24_unreach-call/divbin2_unwindbound2.yml/witness-2.1.yml [2024-09-17 19:40:32,691 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-17 19:40:32,692 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-09-17 19:40:32,694 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-17 19:40:32,695 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-17 19:40:32,699 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-17 19:40:32,700 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.09 07:40:32" (1/2) ... [2024-09-17 19:40:32,703 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@11a5c225 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 07:40:32, skipping insertion in model container [2024-09-17 19:40:32,703 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.09 07:40:32" (1/2) ... [2024-09-17 19:40:32,705 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@323a4e1d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 07:40:32, skipping insertion in model container [2024-09-17 19:40:32,705 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 17.09 07:40:32" (2/2) ... [2024-09-17 19:40:32,705 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@11a5c225 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 17.09 07:40:32, skipping insertion in model container [2024-09-17 19:40:32,705 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 17.09 07:40:32" (2/2) ... [2024-09-17 19:40:32,721 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-17 19:40:32,722 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)))) [2024-09-17 19:40:32,722 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)))) [2024-09-17 19:40:32,723 INFO L1541 ArrayList]: Function contract at [L18]: requires (1 <= \old(cond)), ensures (1 <= \old(cond)) [2024-09-17 19:40:32,723 INFO L1541 ArrayList]: Function contract at [L26]: requires (counter == 0), ensures (\old(counter) == 0) [2024-09-17 19:40:32,743 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-17 19:40:32,921 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] [2024-09-17 19:40:32,946 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-17 19:40:32,961 INFO L200 MainTranslator]: Completed pre-run Start Parsing Global Start Parsing Global [2024-09-17 19:40:33,003 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 [2024-09-17 19:40:33,019 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-17 19:40:33,040 INFO L204 MainTranslator]: Completed translation [2024-09-17 19:40:33,041 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 17.09 07:40:33 WrapperNode [2024-09-17 19:40:33,042 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-17 19:40:33,043 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-17 19:40:33,043 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-17 19:40:33,043 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-17 19:40:33,057 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 17.09 07:40:33" (1/1) ... [2024-09-17 19:40:33,057 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 17.09 07:40:33" (1/1) ... [2024-09-17 19:40:33,067 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 17.09 07:40:33" (1/1) ... [2024-09-17 19:40:33,094 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 [2024-09-17 19:40:33,094 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 17.09 07:40:33" (1/1) ... [2024-09-17 19:40:33,094 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 17.09 07:40:33" (1/1) ... [2024-09-17 19:40:33,111 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 17.09 07:40:33" (1/1) ... [2024-09-17 19:40:33,119 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 17.09 07:40:33" (1/1) ... [2024-09-17 19:40:33,128 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 17.09 07:40:33" (1/1) ... [2024-09-17 19:40:33,129 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 17.09 07:40:33" (1/1) ... [2024-09-17 19:40:33,133 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-17 19:40:33,134 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-17 19:40:33,134 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-17 19:40:33,135 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-17 19:40:33,135 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 17.09 07:40:33" (1/1) ... [2024-09-17 19:40:33,167 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-17 19:40:33,183 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-09-17 19:40:33,203 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) [2024-09-17 19:40:33,207 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 [2024-09-17 19:40:33,260 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-09-17 19:40:33,261 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-17 19:40:33,261 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-09-17 19:40:33,261 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-09-17 19:40:33,261 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-09-17 19:40:33,262 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-09-17 19:40:33,262 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-09-17 19:40:33,262 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-09-17 19:40:33,262 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_perror_fail [2024-09-17 19:40:33,262 INFO L130 BoogieDeclarations]: Found specification of procedure __assert [2024-09-17 19:40:33,262 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-09-17 19:40:33,262 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-17 19:40:33,263 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2024-09-17 19:40:33,263 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-09-17 19:40:33,263 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-09-17 19:40:33,263 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-09-17 19:40:33,264 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-09-17 19:40:33,264 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-09-17 19:40:33,264 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-17 19:40:33,264 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2024-09-17 19:40:33,264 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2024-09-17 19:40:33,264 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-09-17 19:40:33,348 INFO L242 CfgBuilder]: Building ICFG [2024-09-17 19:40:33,350 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-17 19:40:33,409 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-17 19:40:33,603 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-17 19:40:33,617 INFO L291 CfgBuilder]: Performing block encoding [2024-09-17 19:40:33,641 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-17 19:40:33,642 INFO L318 CfgBuilder]: Removed 2 assume(true) statements. [2024-09-17 19:40:33,642 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.09 07:40:33 BoogieIcfgContainer [2024-09-17 19:40:33,642 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-17 19:40:33,643 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-09-17 19:40:33,643 INFO L270 PluginConnector]: Initializing Referee... [2024-09-17 19:40:33,645 INFO L274 PluginConnector]: Referee initialized [2024-09-17 19:40:33,645 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 17.09 07:40:32" (1/4) ... [2024-09-17 19:40:33,645 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@22f905ca and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 17.09 07:40:33, skipping insertion in model container [2024-09-17 19:40:33,647 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 17.09 07:40:32" (2/4) ... [2024-09-17 19:40:33,647 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@22f905ca and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 17.09 07:40:33, skipping insertion in model container [2024-09-17 19:40:33,647 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 17.09 07:40:33" (3/4) ... [2024-09-17 19:40:33,647 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@22f905ca and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 17.09 07:40:33, skipping insertion in model container [2024-09-17 19:40:33,647 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.09 07:40:33" (4/4) ... [2024-09-17 19:40:33,648 INFO L79 RefereeObserver]: Analyzing ICFG divbin2_unwindbound2.i [2024-09-17 19:40:33,652 INFO L113 InvariantChecker]: Found 2 loops. [2024-09-17 19:40:33,653 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L43-2 to ERROR_LOC mainErr4ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 10 edges. [2024-09-17 19:40:33,654 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L43-2 to ERROR_LOC mainErr2REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 4 edges. [2024-09-17 19:40:33,654 INFO L373 InvariantChecker]: Will check inductivity from ENTRY mainENTRY to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 2 edges. [2024-09-17 19:40:33,655 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L34-4 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 5 edges. [2024-09-17 19:40:33,655 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC ULTIMATE.startErr0REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 3 edges. [2024-09-17 19:40:33,655 INFO L373 InvariantChecker]: Will check inductivity from ENTRY __VERIFIER_assertENTRY to ERROR_LOC __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 5 edges. [2024-09-17 19:40:33,655 INFO L373 InvariantChecker]: Will check inductivity from ENTRY __VERIFIER_assertENTRY to ERROR_LOC __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 3 edges. [2024-09-17 19:40:33,656 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L34-4 to LOOP_INVARIANT_ERROR_LOC mainErr1ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 7 edges. [2024-09-17 19:40:33,656 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L43-2 to LOOP_INVARIANT_ERROR_LOC mainErr1ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 8 edges. [2024-09-17 19:40:33,656 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L43-2 to ERROR_LOC mainErr3REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 8 edges. [2024-09-17 19:40:33,656 INFO L131 InvariantChecker]: Will check 3 loop-free subgraphs from procedure entry to error location, 3 loop-free subgraphs from loop head to loop head, 3 loop-free subgraphs from loop head to error location, 1 loop-free subgraphs from procedure entry to loop head [2024-09-17 19:40:33,718 INFO L314 BlockEncoder]: Initial Icfg 9 locations, 10 edges [2024-09-17 19:40:33,719 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-17 19:40:33,719 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-17 19:40:33,720 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-17 19:40:33,721 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-17 19:40:33,723 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-17 19:40:33,794 INFO L101 BaseMinimizeStates]: Removed 22 edges and 7 locations by large block encoding [2024-09-17 19:40:33,796 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-17 19:40:33,796 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-17 19:40:33,796 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-17 19:40:33,796 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-17 19:40:33,800 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-17 19:40:33,815 INFO L520 InvariantChecker]: The annotation(s) from loop head L43-2 to error location mainErr4ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-17 19:40:33,840 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 4 edges [2024-09-17 19:40:33,840 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-17 19:40:33,840 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-17 19:40:33,840 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-17 19:40:33,841 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-17 19:40:33,841 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-17 19:40:33,847 INFO L101 BaseMinimizeStates]: Removed 6 edges and 3 locations by large block encoding [2024-09-17 19:40:33,847 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-17 19:40:33,848 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-17 19:40:33,848 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-17 19:40:33,848 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-17 19:40:33,848 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-17 19:40:33,864 INFO L520 InvariantChecker]: The annotation(s) from loop head L43-2 to error location mainErr2REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-17 19:40:33,884 INFO L314 BlockEncoder]: Initial Icfg 3 locations, 2 edges [2024-09-17 19:40:33,884 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-17 19:40:33,885 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-17 19:40:33,885 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-17 19:40:33,885 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-17 19:40:33,885 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-17 19:40:33,887 INFO L101 BaseMinimizeStates]: Removed 2 edges and 1 locations by large block encoding [2024-09-17 19:40:33,887 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-17 19:40:33,887 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-17 19:40:33,888 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-17 19:40:33,888 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-17 19:40:33,888 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-17 19:40:33,894 INFO L520 InvariantChecker]: The annotation(s) from entry mainENTRY to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-17 19:40:33,905 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 5 edges [2024-09-17 19:40:33,906 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-17 19:40:33,906 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-17 19:40:33,906 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-17 19:40:33,906 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-17 19:40:33,906 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-17 19:40:33,915 INFO L101 BaseMinimizeStates]: Removed 8 edges and 4 locations by large block encoding [2024-09-17 19:40:33,915 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-17 19:40:33,915 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-17 19:40:33,915 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-17 19:40:33,916 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-17 19:40:33,916 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-17 19:40:33,920 INFO L520 InvariantChecker]: The annotation(s) from loop head L34-4 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-17 19:40:33,932 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-17 19:40:33,932 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-17 19:40:33,932 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-17 19:40:33,932 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-17 19:40:33,933 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-17 19:40:33,933 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-17 19:40:33,934 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-17 19:40:33,934 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-17 19:40:33,934 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-17 19:40:33,934 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-17 19:40:33,934 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-17 19:40:33,934 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-17 19:40:33,936 INFO L520 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to error location ULTIMATE.startErr0REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-17 19:40:33,945 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 5 edges [2024-09-17 19:40:33,945 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-17 19:40:33,945 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-17 19:40:33,945 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-17 19:40:33,946 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-17 19:40:33,946 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-17 19:40:33,948 INFO L101 BaseMinimizeStates]: Removed 8 edges and 3 locations by large block encoding [2024-09-17 19:40:33,949 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-17 19:40:33,949 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-17 19:40:33,949 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-17 19:40:33,949 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-17 19:40:33,950 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-17 19:40:33,951 INFO L520 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-17 19:40:33,965 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-17 19:40:33,965 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-17 19:40:33,965 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-17 19:40:33,965 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-17 19:40:33,966 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-17 19:40:33,966 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-17 19:40:33,967 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-17 19:40:33,967 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-17 19:40:33,967 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-17 19:40:33,967 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-17 19:40:33,967 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-17 19:40:33,967 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-17 19:40:33,971 INFO L520 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION is inductive. [2024-09-17 19:40:33,981 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 7 edges [2024-09-17 19:40:33,981 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-17 19:40:33,981 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-17 19:40:33,982 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-17 19:40:33,982 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-17 19:40:33,982 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-17 19:40:34,007 INFO L101 BaseMinimizeStates]: Removed 12 edges and 4 locations by large block encoding [2024-09-17 19:40:34,008 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-17 19:40:34,008 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-17 19:40:34,009 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-17 19:40:34,009 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-17 19:40:34,016 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-17 19:40:34,046 INFO L314 BlockEncoder]: Initial Icfg 8 locations, 8 edges [2024-09-17 19:40:34,047 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-17 19:40:34,047 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-17 19:40:34,048 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-17 19:40:34,048 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-17 19:40:34,048 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-17 19:40:34,071 INFO L101 BaseMinimizeStates]: Removed 14 edges and 6 locations by large block encoding [2024-09-17 19:40:34,072 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-17 19:40:34,072 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-17 19:40:34,072 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-17 19:40:34,072 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-17 19:40:34,077 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-17 19:40:34,087 INFO L520 InvariantChecker]: The annotation(s) from loop head L43-2 to loop head mainErr1ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-17 19:40:34,103 INFO L314 BlockEncoder]: Initial Icfg 7 locations, 8 edges [2024-09-17 19:40:34,103 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-17 19:40:34,103 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-17 19:40:34,104 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-17 19:40:34,104 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-17 19:40:34,104 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-17 19:40:34,115 INFO L101 BaseMinimizeStates]: Removed 14 edges and 5 locations by large block encoding [2024-09-17 19:40:34,115 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-17 19:40:34,116 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-17 19:40:34,116 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-17 19:40:34,116 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-17 19:40:34,118 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-17 19:40:34,139 INFO L520 InvariantChecker]: The annotation(s) from loop head L43-2 to error location mainErr3REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-17 19:40:34,151 WARN L945 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #t~post2 [2024-09-17 19:40:34,153 INFO L58 RefereeStarter]: Annotation is not a valid proof of correctness. [2024-09-17 19:40:34,154 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@22f905ca and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CFG 17.09 07:40:34, skipping insertion in model container [2024-09-17 19:40:34,154 INFO L131 PluginConnector]: ------------------------ END Referee---------------------------- [2024-09-17 19:40:34,156 INFO L158 Benchmark]: Toolchain (without parser) took 1462.81ms. Allocated memory is still 73.4MB. Free memory was 49.7MB in the beginning and 33.7MB in the end (delta: 16.0MB). Peak memory consumption was 32.7MB. Max. memory is 16.1GB. [2024-09-17 19:40:34,157 INFO L158 Benchmark]: CDTParser took 0.36ms. Allocated memory is still 56.6MB. Free memory was 31.7MB in the beginning and 31.7MB in the end (delta: 73.4kB). There was no memory consumed. Max. memory is 16.1GB. [2024-09-17 19:40:34,157 INFO L158 Benchmark]: Witness Parser took 1.22ms. Allocated memory is still 73.4MB. Free memory is still 51.7MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-17 19:40:34,158 INFO L158 Benchmark]: CACSL2BoogieTranslator took 347.61ms. Allocated memory is still 73.4MB. Free memory was 49.5MB in the beginning and 35.3MB in the end (delta: 14.2MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-09-17 19:40:34,158 INFO L158 Benchmark]: Boogie Preprocessor took 90.91ms. Allocated memory is still 73.4MB. Free memory was 35.3MB in the beginning and 52.7MB in the end (delta: -17.4MB). Peak memory consumption was 5.5MB. Max. memory is 16.1GB. [2024-09-17 19:40:34,159 INFO L158 Benchmark]: RCFGBuilder took 508.04ms. Allocated memory is still 73.4MB. Free memory was 52.4MB in the beginning and 37.4MB in the end (delta: 15.0MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-09-17 19:40:34,160 INFO L158 Benchmark]: Referee took 511.41ms. Allocated memory is still 73.4MB. Free memory was 37.4MB in the beginning and 33.7MB in the end (delta: 3.7MB). Peak memory consumption was 20.8MB. Max. memory is 16.1GB. [2024-09-17 19:40:34,163 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. [2024-09-17 19:40:34,168 WARN L945 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #t~post2 [2024-09-17 19:40:34,169 WARN L945 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #t~post2 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 exit of procedure main. Annotation is valid for all loop-free paths from entry of procedure ULTIMATE.start to check that procedure precondition always holds at line -1. Annotation is valid for all loop-free paths from entry of procedure 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 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 38. 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 loop head at line 38. * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.36ms. Allocated memory is still 56.6MB. Free memory was 31.7MB in the beginning and 31.7MB in the end (delta: 73.4kB). There was no memory consumed. Max. memory is 16.1GB. * Witness Parser took 1.22ms. Allocated memory is still 73.4MB. Free memory is still 51.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 347.61ms. Allocated memory is still 73.4MB. Free memory was 49.5MB in the beginning and 35.3MB in the end (delta: 14.2MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Preprocessor took 90.91ms. Allocated memory is still 73.4MB. Free memory was 35.3MB in the beginning and 52.7MB in the end (delta: -17.4MB). Peak memory consumption was 5.5MB. Max. memory is 16.1GB. * RCFGBuilder took 508.04ms. Allocated memory is still 73.4MB. Free memory was 52.4MB in the beginning and 37.4MB in the end (delta: 15.0MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Referee took 511.41ms. Allocated memory is still 73.4MB. Free memory was 37.4MB in the beginning and 33.7MB in the end (delta: 3.7MB). Peak memory consumption was 20.8MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #t~post2 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #t~post2 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #t~post2 RESULT: Ultimate proved your program to be incorrect! [2024-09-17 19:40:34,198 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