./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/nla-digbench-scaling/divbin2_unwindbound1.i --full-output --witness-type correctness_witness --validate ../results/automizer-verification-files/SV-COMP24_unreach-call/divbin2_unwindbound1.yml/witness-2.1.yml --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version ca4ee3dd 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_unwindbound1.i ../results/automizer-verification-files/SV-COMP24_unreach-call/divbin2_unwindbound1.yml/witness-2.1.yml -s /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Default.epf --cacsl2boogietranslator.entry.function main --traceabstraction.positions.where.we.compute.the.hoare.annotation None --- Real Ultimate output --- This is Ultimate 0.2.4-tmp.dk.referee-eval-ca4ee3d-m [2024-09-20 20:10:28,091 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-20 20:10:28,150 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Default.epf [2024-09-20 20:10:28,161 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-20 20:10:28,161 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-20 20:10:28,180 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-20 20:10:28,181 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-20 20:10:28,181 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-20 20:10:28,182 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-20 20:10:28,182 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-20 20:10:28,182 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-20 20:10:28,182 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-20 20:10:28,183 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-20 20:10:28,185 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-20 20:10:28,185 INFO L153 SettingsManager]: * Use SBE=true [2024-09-20 20:10:28,185 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-20 20:10:28,185 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-20 20:10:28,186 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-20 20:10:28,186 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-09-20 20:10:28,186 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-20 20:10:28,186 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-20 20:10:28,189 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-20 20:10:28,189 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-20 20:10:28,189 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-20 20:10:28,190 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-20 20:10:28,190 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-20 20:10:28,190 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-20 20:10:28,190 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-20 20:10:28,190 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-20 20:10:28,190 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-20 20:10:28,190 INFO L153 SettingsManager]: * Future-live optimization=false [2024-09-20 20:10:28,190 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-20 20:10:28,191 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-20 20:10:28,191 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-20 20:10:28,191 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-20 20:10:28,191 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-20 20:10:28,191 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-20 20:10:28,191 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-09-20 20:10:28,191 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-09-20 20:10:28,191 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-20 20:10:28,192 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-20 20:10:28,193 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-20 20:10:28,193 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-20 20:10:28,194 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/certificate-witnesses-artifact/referee/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None [2024-09-20 20:10:28,405 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-20 20:10:28,427 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-20 20:10:28,430 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-20 20:10:28,431 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-20 20:10:28,432 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-20 20:10:28,433 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/automizer-verification-files/SV-COMP24_unreach-call/divbin2_unwindbound1.yml/witness-2.1.yml [2024-09-20 20:10:28,495 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-20 20:10:28,495 INFO L274 PluginConnector]: CDTParser initialized [2024-09-20 20:10:28,496 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/nla-digbench-scaling/divbin2_unwindbound1.i [2024-09-20 20:10:29,867 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-20 20:10:30,067 INFO L384 CDTParser]: Found 1 translation units. [2024-09-20 20:10:30,067 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench-scaling/divbin2_unwindbound1.i [2024-09-20 20:10:30,073 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/783657f22/3c7c5063e3ca4f1a977ff70b3b19006c/FLAGe8e4a11c6 [2024-09-20 20:10:30,483 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/783657f22/3c7c5063e3ca4f1a977ff70b3b19006c [2024-09-20 20:10:30,483 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-20 20:10:30,484 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-09-20 20:10:30,485 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-20 20:10:30,485 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-20 20:10:30,490 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-20 20:10:30,490 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 20.09 08:10:28" (1/2) ... [2024-09-20 20:10:30,491 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@38c929cc and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 20.09 08:10:30, skipping insertion in model container [2024-09-20 20:10:30,491 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 20.09 08:10:28" (1/2) ... [2024-09-20 20:10:30,492 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@19ae87d0 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 20.09 08:10:30, skipping insertion in model container [2024-09-20 20:10:30,493 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 08:10:30" (2/2) ... [2024-09-20 20:10:30,493 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@38c929cc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 08:10:30, skipping insertion in model container [2024-09-20 20:10:30,493 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 08:10:30" (2/2) ... [2024-09-20 20:10:30,508 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-20 20:10:30,509 INFO L1541 ArrayList]: Loop invariant at [L38-L47] ((((A == r) && (1 <= counter)) && (\old(counter) == 0)) && (q == 0)) [2024-09-20 20:10:30,509 INFO L1541 ArrayList]: Loop invariant at [L34-L37] ((\old(counter) == 0) && ((((A == r) && (counter == 0)) && (q == 0)) || (((A == r) && (1 <= counter)) && (q == 0)))) [2024-09-20 20:10:30,509 INFO L1541 ArrayList]: Function contract at [L26]: requires (counter == 0), ensures (\old(counter) == 0) [2024-09-20 20:10:30,509 INFO L1541 ArrayList]: Function contract at [L18]: requires ((1 <= counter) && (1 <= \old(cond))), ensures ((1 <= counter) && (1 <= \old(cond))) [2024-09-20 20:10:30,539 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-20 20:10:30,744 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_unwindbound1.i[951,964] [2024-09-20 20:10:30,769 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-20 20:10:30,780 INFO L200 MainTranslator]: Completed pre-run Start Parsing Global Start Parsing Global [2024-09-20 20:10:30,822 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_unwindbound1.i[951,964] Start Parsing Global Start Parsing Global Start Parsing Local Start Parsing Local [2024-09-20 20:10:30,839 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-20 20:10:30,857 INFO L204 MainTranslator]: Completed translation [2024-09-20 20:10:30,858 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 08:10:30 WrapperNode [2024-09-20 20:10:30,858 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-20 20:10:30,859 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-20 20:10:30,860 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-20 20:10:30,860 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-20 20:10:30,876 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 08:10:30" (1/1) ... [2024-09-20 20:10:30,877 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 08:10:30" (1/1) ... [2024-09-20 20:10:30,890 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 08:10:30" (1/1) ... [2024-09-20 20:10:30,906 WARN L109 MemorySlicer]: Omit memory slicing because it failed with the following exception: Unsupported: Procedure __VERIFIER_assert is not part of the Ultimate memory model but has specification other that is not a ModifiesSpecification [2024-09-20 20:10:30,910 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 08:10:30" (1/1) ... [2024-09-20 20:10:30,910 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 08:10:30" (1/1) ... [2024-09-20 20:10:30,923 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 08:10:30" (1/1) ... [2024-09-20 20:10:30,930 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 08:10:30" (1/1) ... [2024-09-20 20:10:30,931 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 08:10:30" (1/1) ... [2024-09-20 20:10:30,933 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 08:10:30" (1/1) ... [2024-09-20 20:10:30,942 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-20 20:10:30,943 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-20 20:10:30,943 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-20 20:10:30,943 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-20 20:10:30,944 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 08:10:30" (1/1) ... [2024-09-20 20:10:30,953 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-20 20:10:30,960 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-09-20 20:10:30,973 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/certificate-witnesses-artifact/referee/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-09-20 20:10:30,975 INFO L327 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/referee/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-09-20 20:10:31,012 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-09-20 20:10:31,012 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-20 20:10:31,012 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-09-20 20:10:31,012 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-09-20 20:10:31,012 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-09-20 20:10:31,012 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-09-20 20:10:31,013 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-09-20 20:10:31,013 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-09-20 20:10:31,013 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_perror_fail [2024-09-20 20:10:31,013 INFO L130 BoogieDeclarations]: Found specification of procedure __assert [2024-09-20 20:10:31,013 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-09-20 20:10:31,013 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-20 20:10:31,014 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2024-09-20 20:10:31,014 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-09-20 20:10:31,014 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-09-20 20:10:31,014 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-09-20 20:10:31,014 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-09-20 20:10:31,014 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-09-20 20:10:31,014 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-20 20:10:31,015 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-09-20 20:10:31,015 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-09-20 20:10:31,015 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-09-20 20:10:31,070 INFO L242 CfgBuilder]: Building ICFG [2024-09-20 20:10:31,072 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-20 20:10:31,120 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-20 20:10:31,240 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-20 20:10:31,252 INFO L291 CfgBuilder]: Performing block encoding [2024-09-20 20:10:31,270 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-20 20:10:31,270 INFO L318 CfgBuilder]: Removed 2 assume(true) statements. [2024-09-20 20:10:31,271 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 08:10:31 BoogieIcfgContainer [2024-09-20 20:10:31,271 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-20 20:10:31,272 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-09-20 20:10:31,272 INFO L270 PluginConnector]: Initializing Referee... [2024-09-20 20:10:31,272 INFO L274 PluginConnector]: Referee initialized [2024-09-20 20:10:31,272 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 20.09 08:10:28" (1/4) ... [2024-09-20 20:10:31,273 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@1c0dea7d and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 20.09 08:10:31, skipping insertion in model container [2024-09-20 20:10:31,273 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 20.09 08:10:30" (2/4) ... [2024-09-20 20:10:31,273 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@1c0dea7d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 20.09 08:10:31, skipping insertion in model container [2024-09-20 20:10:31,273 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 08:10:30" (3/4) ... [2024-09-20 20:10:31,274 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@1c0dea7d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 20.09 08:10:31, skipping insertion in model container [2024-09-20 20:10:31,274 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 08:10:31" (4/4) ... [2024-09-20 20:10:31,274 INFO L79 RefereeObserver]: Analyzing ICFG divbin2_unwindbound1.i [2024-09-20 20:10:31,277 INFO L113 InvariantChecker]: Found 2 loops. [2024-09-20 20:10:31,278 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L43-2 to ERROR_LOC mainErr4ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 10 edges. [2024-09-20 20:10:31,278 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L43-2 to ERROR_LOC mainErr2REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 4 edges. [2024-09-20 20:10:31,278 INFO L373 InvariantChecker]: Will check inductivity from ENTRY mainENTRY to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 2 edges. [2024-09-20 20:10:31,279 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L34-4 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 5 edges. [2024-09-20 20:10:31,279 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC ULTIMATE.startErr0REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 3 edges. [2024-09-20 20:10:31,279 INFO L373 InvariantChecker]: Will check inductivity from ENTRY __VERIFIER_assertENTRY to ERROR_LOC __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 5 edges. [2024-09-20 20:10:31,279 INFO L373 InvariantChecker]: Will check inductivity from ENTRY __VERIFIER_assertENTRY to ERROR_LOC __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 3 edges. [2024-09-20 20:10:31,279 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L34-4 to LOOP_INVARIANT_ERROR_LOC mainErr1ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 7 edges. [2024-09-20 20:10:31,279 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L43-2 to LOOP_INVARIANT_ERROR_LOC mainErr1ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 8 edges. [2024-09-20 20:10:31,280 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L43-2 to ERROR_LOC mainErr3REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 8 edges. [2024-09-20 20:10:31,280 INFO L131 InvariantChecker]: Will check 3 loop-free subgraphs from loop head to loop head, 1 loop-free subgraphs from procedure entry to loop head, 3 loop-free subgraphs from procedure entry to error location, 3 loop-free subgraphs from loop head to error location [2024-09-20 20:10:31,317 INFO L314 BlockEncoder]: Initial Icfg 9 locations, 10 edges [2024-09-20 20:10:31,318 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 20:10:31,318 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 20:10:31,319 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 20:10:31,320 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 20:10:31,321 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:10:31,361 INFO L101 BaseMinimizeStates]: Removed 22 edges and 7 locations by large block encoding [2024-09-20 20:10:31,362 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:10:31,362 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 20:10:31,363 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 20:10:31,363 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 20:10:31,366 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 20:10:31,380 INFO L520 InvariantChecker]: The annotation(s) from loop head L43-2 to error location mainErr4ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-20 20:10:31,408 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 4 edges [2024-09-20 20:10:31,409 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 20:10:31,409 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 20:10:31,409 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 20:10:31,409 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 20:10:31,410 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:10:31,421 INFO L101 BaseMinimizeStates]: Removed 6 edges and 3 locations by large block encoding [2024-09-20 20:10:31,422 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:10:31,422 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 20:10:31,422 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 20:10:31,422 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 20:10:31,422 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 20:10:31,427 INFO L520 InvariantChecker]: The annotation(s) from loop head L43-2 to error location mainErr2REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-20 20:10:31,447 INFO L314 BlockEncoder]: Initial Icfg 3 locations, 2 edges [2024-09-20 20:10:31,447 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 20:10:31,447 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 20:10:31,447 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 20:10:31,447 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 20:10:31,447 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:10:31,451 INFO L101 BaseMinimizeStates]: Removed 2 edges and 1 locations by large block encoding [2024-09-20 20:10:31,451 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:10:31,451 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 20:10:31,451 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 20:10:31,451 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 20:10:31,451 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 20:10:31,458 INFO L520 InvariantChecker]: The annotation(s) from entry mainENTRY to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-20 20:10:31,470 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 5 edges [2024-09-20 20:10:31,470 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 20:10:31,470 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 20:10:31,470 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 20:10:31,471 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 20:10:31,471 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:10:31,479 INFO L101 BaseMinimizeStates]: Removed 8 edges and 4 locations by large block encoding [2024-09-20 20:10:31,479 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:10:31,479 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 20:10:31,480 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 20:10:31,480 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 20:10:31,480 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 20:10:31,484 INFO L520 InvariantChecker]: The annotation(s) from loop head L34-4 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-20 20:10:31,498 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-20 20:10:31,498 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 20:10:31,499 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 20:10:31,499 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 20:10:31,499 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 20:10:31,499 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:10:31,500 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-20 20:10:31,500 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:10:31,500 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 20:10:31,500 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 20:10:31,500 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 20:10:31,500 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 20:10:31,502 INFO L520 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to error location ULTIMATE.startErr0REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-20 20:10:31,518 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 5 edges [2024-09-20 20:10:31,518 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 20:10:31,518 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 20:10:31,518 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 20:10:31,518 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 20:10:31,518 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:10:31,520 INFO L101 BaseMinimizeStates]: Removed 8 edges and 3 locations by large block encoding [2024-09-20 20:10:31,520 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:10:31,520 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 20:10:31,521 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 20:10:31,521 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 20:10:31,525 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 20:10:31,527 INFO L520 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-20 20:10:31,536 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-20 20:10:31,536 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 20:10:31,536 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 20:10:31,537 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 20:10:31,537 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 20:10:31,537 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:10:31,539 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-20 20:10:31,539 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:10:31,539 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 20:10:31,539 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 20:10:31,539 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 20:10:31,540 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 20:10:31,541 INFO L520 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION is inductive. [2024-09-20 20:10:31,549 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 7 edges [2024-09-20 20:10:31,549 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 20:10:31,549 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 20:10:31,550 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 20:10:31,550 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 20:10:31,550 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:10:31,560 INFO L101 BaseMinimizeStates]: Removed 12 edges and 4 locations by large block encoding [2024-09-20 20:10:31,560 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:10:31,561 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 20:10:31,561 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 20:10:31,561 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 20:10:31,563 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 20:10:31,567 INFO L520 InvariantChecker]: The annotation(s) from loop head L34-4 to loop head mainErr1ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-20 20:10:31,574 INFO L314 BlockEncoder]: Initial Icfg 8 locations, 8 edges [2024-09-20 20:10:31,575 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 20:10:31,575 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 20:10:31,575 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 20:10:31,575 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 20:10:31,575 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:10:31,592 INFO L101 BaseMinimizeStates]: Removed 14 edges and 6 locations by large block encoding [2024-09-20 20:10:31,593 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:10:31,593 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 20:10:31,593 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 20:10:31,593 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 20:10:31,598 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 20:10:31,603 INFO L520 InvariantChecker]: The annotation(s) from loop head L43-2 to loop head mainErr1ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-20 20:10:31,613 INFO L314 BlockEncoder]: Initial Icfg 7 locations, 8 edges [2024-09-20 20:10:31,613 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 20:10:31,614 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 20:10:31,614 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 20:10:31,614 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 20:10:31,614 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:10:31,625 INFO L101 BaseMinimizeStates]: Removed 14 edges and 5 locations by large block encoding [2024-09-20 20:10:31,625 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:10:31,625 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 20:10:31,626 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 20:10:31,626 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 20:10:31,628 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 20:10:35,643 INFO L516 InvariantChecker]: unknown inductivity: todo good error message [2024-09-20 20:10:35,648 INFO L58 RefereeStarter]: Insufficient resources for checking whether annotation is a valid proof of correctness. [2024-09-20 20:10:35,648 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@1c0dea7d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee CFG 20.09 08:10:35, skipping insertion in model container [2024-09-20 20:10:35,648 INFO L131 PluginConnector]: ------------------------ END Referee---------------------------- [2024-09-20 20:10:35,650 INFO L158 Benchmark]: Toolchain (without parser) took 5164.88ms. Allocated memory is still 163.6MB. Free memory was 129.2MB in the beginning and 47.0MB in the end (delta: 82.2MB). Peak memory consumption was 83.9MB. Max. memory is 16.1GB. [2024-09-20 20:10:35,650 INFO L158 Benchmark]: Witness Parser took 0.14ms. Allocated memory is still 121.6MB. Free memory was 82.9MB in the beginning and 82.7MB in the end (delta: 118.9kB). There was no memory consumed. Max. memory is 16.1GB. [2024-09-20 20:10:35,650 INFO L158 Benchmark]: CDTParser took 0.35ms. Allocated memory is still 121.6MB. Free memory is still 97.1MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-20 20:10:35,651 INFO L158 Benchmark]: CACSL2BoogieTranslator took 373.42ms. Allocated memory is still 163.6MB. Free memory was 129.2MB in the beginning and 115.0MB in the end (delta: 14.2MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-09-20 20:10:35,651 INFO L158 Benchmark]: Boogie Preprocessor took 83.30ms. Allocated memory is still 163.6MB. Free memory was 115.0MB in the beginning and 112.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-09-20 20:10:35,652 INFO L158 Benchmark]: RCFGBuilder took 328.09ms. Allocated memory is still 163.6MB. Free memory was 112.9MB in the beginning and 98.2MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-09-20 20:10:35,652 INFO L158 Benchmark]: Referee took 4376.98ms. Allocated memory is still 163.6MB. Free memory was 98.2MB in the beginning and 47.0MB in the end (delta: 51.2MB). Peak memory consumption was 52.4MB. Max. memory is 16.1GB. [2024-09-20 20:10:35,654 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. 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 entry of procedure ULTIMATE.start to check that procedure precondition always holds at line -1. Annotation is valid for all loop-free paths from entry of procedure __VERIFIER_assert to exit of procedure __VERIFIER_assert. Annotation is valid for all loop-free paths from loop head at line 38 to check that procedure precondition always holds at line 39. 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 __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 34 to loop head at line 38. * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Witness Parser took 0.14ms. Allocated memory is still 121.6MB. Free memory was 82.9MB in the beginning and 82.7MB in the end (delta: 118.9kB). There was no memory consumed. Max. memory is 16.1GB. * CDTParser took 0.35ms. Allocated memory is still 121.6MB. Free memory is still 97.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 373.42ms. Allocated memory is still 163.6MB. Free memory was 129.2MB in the beginning and 115.0MB in the end (delta: 14.2MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Preprocessor took 83.30ms. Allocated memory is still 163.6MB. Free memory was 115.0MB in the beginning and 112.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 328.09ms. Allocated memory is still 163.6MB. Free memory was 112.9MB in the beginning and 98.2MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Referee took 4376.98ms. Allocated memory is still 163.6MB. Free memory was 98.2MB in the beginning and 47.0MB in the end (delta: 51.2MB). Peak memory consumption was 52.4MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-09-20 20:10:35,670 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_unwindbound1.i ../results/automizer-verification-files/SV-COMP24_unreach-call/divbin2_unwindbound1.yml/witness-2.1.yml -s /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Bitvector.epf --cacsl2boogietranslator.entry.function main --traceabstraction.positions.where.we.compute.the.hoare.annotation None --- Real Ultimate output --- This is Ultimate 0.2.4-tmp.dk.referee-eval-ca4ee3d-m [2024-09-20 20:10:37,548 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-20 20:10:37,636 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Bitvector.epf [2024-09-20 20:10:37,640 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-20 20:10:37,641 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-20 20:10:37,663 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-20 20:10:37,664 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-20 20:10:37,664 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-20 20:10:37,665 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-20 20:10:37,667 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-20 20:10:37,668 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-20 20:10:37,668 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-20 20:10:37,668 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-20 20:10:37,668 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-20 20:10:37,669 INFO L153 SettingsManager]: * Use SBE=true [2024-09-20 20:10:37,669 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-20 20:10:37,669 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-20 20:10:37,669 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-20 20:10:37,669 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-20 20:10:37,669 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-20 20:10:37,670 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-20 20:10:37,673 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-20 20:10:37,673 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-20 20:10:37,673 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-09-20 20:10:37,673 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-09-20 20:10:37,673 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-20 20:10:37,674 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-09-20 20:10:37,674 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-20 20:10:37,674 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-20 20:10:37,674 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-20 20:10:37,674 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-20 20:10:37,674 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-20 20:10:37,674 INFO L153 SettingsManager]: * Future-live optimization=false [2024-09-20 20:10:37,675 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-20 20:10:37,675 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-20 20:10:37,675 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-20 20:10:37,675 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-20 20:10:37,675 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-20 20:10:37,675 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-20 20:10:37,676 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-09-20 20:10:37,676 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-09-20 20:10:37,677 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-20 20:10:37,678 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-20 20:10:37,678 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-20 20:10:37,678 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-20 20:10:37,678 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2024-09-20 20:10:37,678 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/certificate-witnesses-artifact/referee/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None [2024-09-20 20:10:37,942 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-20 20:10:37,967 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-20 20:10:37,970 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-20 20:10:37,971 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-20 20:10:37,971 INFO L274 PluginConnector]: CDTParser initialized [2024-09-20 20:10:37,973 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/nla-digbench-scaling/divbin2_unwindbound1.i [2024-09-20 20:10:39,552 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-20 20:10:39,721 INFO L384 CDTParser]: Found 1 translation units. [2024-09-20 20:10:39,721 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench-scaling/divbin2_unwindbound1.i [2024-09-20 20:10:39,727 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/58681d14d/9894c46feef4485b8ae602b5dc24df8e/FLAG155e74528 [2024-09-20 20:10:40,125 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/58681d14d/9894c46feef4485b8ae602b5dc24df8e [2024-09-20 20:10:40,127 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-20 20:10:40,128 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-20 20:10:40,128 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/automizer-verification-files/SV-COMP24_unreach-call/divbin2_unwindbound1.yml/witness-2.1.yml [2024-09-20 20:10:40,164 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-20 20:10:40,166 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-09-20 20:10:40,166 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-20 20:10:40,166 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-20 20:10:40,170 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-20 20:10:40,171 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 08:10:40" (1/2) ... [2024-09-20 20:10:40,171 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2209ed4f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 08:10:40, skipping insertion in model container [2024-09-20 20:10:40,171 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 08:10:40" (1/2) ... [2024-09-20 20:10:40,173 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@61ef7a5c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 08:10:40, skipping insertion in model container [2024-09-20 20:10:40,173 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 20.09 08:10:40" (2/2) ... [2024-09-20 20:10:40,173 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2209ed4f and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 20.09 08:10:40, skipping insertion in model container [2024-09-20 20:10:40,173 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 20.09 08:10:40" (2/2) ... [2024-09-20 20:10:40,180 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-20 20:10:40,180 INFO L1541 ArrayList]: Loop invariant at [L38-L47] ((((A == r) && (1 <= counter)) && (\old(counter) == 0)) && (q == 0)) [2024-09-20 20:10:40,180 INFO L1541 ArrayList]: Loop invariant at [L34-L37] ((\old(counter) == 0) && ((((A == r) && (counter == 0)) && (q == 0)) || (((A == r) && (1 <= counter)) && (q == 0)))) [2024-09-20 20:10:40,181 INFO L1541 ArrayList]: Function contract at [L18]: requires ((1 <= counter) && (1 <= \old(cond))), ensures ((1 <= counter) && (1 <= \old(cond))) [2024-09-20 20:10:40,181 INFO L1541 ArrayList]: Function contract at [L26]: requires (counter == 0), ensures (\old(counter) == 0) [2024-09-20 20:10:40,196 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-20 20:10:40,326 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_unwindbound1.i[951,964] [2024-09-20 20:10:40,345 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-20 20:10:40,361 INFO L200 MainTranslator]: Completed pre-run Start Parsing Global Start Parsing Global [2024-09-20 20:10:40,413 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_unwindbound1.i[951,964] Start Parsing Global Start Parsing Global Start Parsing Local Start Parsing Local [2024-09-20 20:10:40,422 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-20 20:10:40,449 INFO L204 MainTranslator]: Completed translation [2024-09-20 20:10:40,450 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 20.09 08:10:40 WrapperNode [2024-09-20 20:10:40,450 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-20 20:10:40,455 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-20 20:10:40,455 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-20 20:10:40,455 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-20 20:10:40,474 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 20.09 08:10:40" (1/1) ... [2024-09-20 20:10:40,474 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 20.09 08:10:40" (1/1) ... [2024-09-20 20:10:40,482 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 20.09 08:10:40" (1/1) ... [2024-09-20 20:10:40,493 WARN L109 MemorySlicer]: Omit memory slicing because it failed with the following exception: Unsupported: Procedure __VERIFIER_assert is not part of the Ultimate memory model but has specification other that is not a ModifiesSpecification [2024-09-20 20:10:40,493 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 20.09 08:10:40" (1/1) ... [2024-09-20 20:10:40,493 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 20.09 08:10:40" (1/1) ... [2024-09-20 20:10:40,498 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 20.09 08:10:40" (1/1) ... [2024-09-20 20:10:40,503 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 20.09 08:10:40" (1/1) ... [2024-09-20 20:10:40,506 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 20.09 08:10:40" (1/1) ... [2024-09-20 20:10:40,507 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 20.09 08:10:40" (1/1) ... [2024-09-20 20:10:40,508 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-20 20:10:40,510 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-20 20:10:40,511 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-20 20:10:40,511 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-20 20:10:40,511 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 20.09 08:10:40" (1/1) ... [2024-09-20 20:10:40,515 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-20 20:10:40,523 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-09-20 20:10:40,540 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/certificate-witnesses-artifact/referee/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-09-20 20:10:40,549 INFO L327 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/referee/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-09-20 20:10:40,586 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-09-20 20:10:40,586 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-20 20:10:40,586 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-09-20 20:10:40,586 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-09-20 20:10:40,587 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-09-20 20:10:40,587 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-09-20 20:10:40,587 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-09-20 20:10:40,587 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-09-20 20:10:40,587 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_perror_fail [2024-09-20 20:10:40,587 INFO L130 BoogieDeclarations]: Found specification of procedure __assert [2024-09-20 20:10:40,587 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-09-20 20:10:40,587 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-20 20:10:40,588 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2024-09-20 20:10:40,588 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-09-20 20:10:40,588 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-09-20 20:10:40,588 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-09-20 20:10:40,588 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-09-20 20:10:40,588 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-09-20 20:10:40,588 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-20 20:10:40,588 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2024-09-20 20:10:40,589 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2024-09-20 20:10:40,589 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-09-20 20:10:40,658 INFO L242 CfgBuilder]: Building ICFG [2024-09-20 20:10:40,659 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-20 20:10:40,697 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-20 20:10:40,816 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-20 20:10:40,825 INFO L291 CfgBuilder]: Performing block encoding [2024-09-20 20:10:40,846 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-20 20:10:40,847 INFO L318 CfgBuilder]: Removed 2 assume(true) statements. [2024-09-20 20:10:40,847 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 08:10:40 BoogieIcfgContainer [2024-09-20 20:10:40,847 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-20 20:10:40,848 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-09-20 20:10:40,848 INFO L270 PluginConnector]: Initializing Referee... [2024-09-20 20:10:40,848 INFO L274 PluginConnector]: Referee initialized [2024-09-20 20:10:40,849 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 20.09 08:10:40" (1/4) ... [2024-09-20 20:10:40,849 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@11303ea1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 20.09 08:10:40, skipping insertion in model container [2024-09-20 20:10:40,849 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 20.09 08:10:40" (2/4) ... [2024-09-20 20:10:40,849 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@11303ea1 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 20.09 08:10:40, skipping insertion in model container [2024-09-20 20:10:40,849 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 20.09 08:10:40" (3/4) ... [2024-09-20 20:10:40,850 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@11303ea1 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 20.09 08:10:40, skipping insertion in model container [2024-09-20 20:10:40,850 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 08:10:40" (4/4) ... [2024-09-20 20:10:40,851 INFO L79 RefereeObserver]: Analyzing ICFG divbin2_unwindbound1.i [2024-09-20 20:10:40,853 INFO L113 InvariantChecker]: Found 2 loops. [2024-09-20 20:10:40,854 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L43-2 to ERROR_LOC mainErr4ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 10 edges. [2024-09-20 20:10:40,854 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L43-2 to ERROR_LOC mainErr2REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 4 edges. [2024-09-20 20:10:40,854 INFO L373 InvariantChecker]: Will check inductivity from ENTRY mainENTRY to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 2 edges. [2024-09-20 20:10:40,855 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L34-4 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 5 edges. [2024-09-20 20:10:40,855 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC ULTIMATE.startErr0REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 3 edges. [2024-09-20 20:10:40,855 INFO L373 InvariantChecker]: Will check inductivity from ENTRY __VERIFIER_assertENTRY to ERROR_LOC __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 5 edges. [2024-09-20 20:10:40,855 INFO L373 InvariantChecker]: Will check inductivity from ENTRY __VERIFIER_assertENTRY to ERROR_LOC __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 3 edges. [2024-09-20 20:10:40,855 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L34-4 to LOOP_INVARIANT_ERROR_LOC mainErr1ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 7 edges. [2024-09-20 20:10:40,856 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L43-2 to LOOP_INVARIANT_ERROR_LOC mainErr1ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 8 edges. [2024-09-20 20:10:40,856 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L43-2 to ERROR_LOC mainErr3REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 8 edges. [2024-09-20 20:10:40,856 INFO L131 InvariantChecker]: Will check 3 loop-free subgraphs from loop head to error location, 3 loop-free subgraphs from loop head to loop head, 3 loop-free subgraphs from procedure entry to error location, 1 loop-free subgraphs from procedure entry to loop head [2024-09-20 20:10:40,903 INFO L314 BlockEncoder]: Initial Icfg 9 locations, 10 edges [2024-09-20 20:10:40,904 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 20:10:40,904 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 20:10:40,905 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 20:10:40,906 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 20:10:40,907 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:10:40,954 INFO L101 BaseMinimizeStates]: Removed 22 edges and 7 locations by large block encoding [2024-09-20 20:10:40,956 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:10:40,956 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 20:10:40,956 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 20:10:40,956 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 20:10:40,959 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 20:10:40,970 INFO L520 InvariantChecker]: The annotation(s) from loop head L43-2 to error location mainErr4ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-20 20:10:40,984 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 4 edges [2024-09-20 20:10:40,984 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 20:10:40,984 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 20:10:40,984 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 20:10:40,984 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 20:10:40,985 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:10:40,989 INFO L101 BaseMinimizeStates]: Removed 6 edges and 3 locations by large block encoding [2024-09-20 20:10:40,990 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:10:40,990 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 20:10:40,990 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 20:10:40,990 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 20:10:40,990 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 20:10:40,993 INFO L520 InvariantChecker]: The annotation(s) from loop head L43-2 to error location mainErr2REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-20 20:10:41,004 INFO L314 BlockEncoder]: Initial Icfg 3 locations, 2 edges [2024-09-20 20:10:41,004 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 20:10:41,004 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 20:10:41,005 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 20:10:41,005 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 20:10:41,005 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:10:41,006 INFO L101 BaseMinimizeStates]: Removed 2 edges and 1 locations by large block encoding [2024-09-20 20:10:41,006 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:10:41,009 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 20:10:41,009 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 20:10:41,009 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 20:10:41,009 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 20:10:41,015 INFO L520 InvariantChecker]: The annotation(s) from entry mainENTRY to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-20 20:10:41,032 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 5 edges [2024-09-20 20:10:41,032 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 20:10:41,032 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 20:10:41,036 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 20:10:41,036 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 20:10:41,036 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:10:41,046 INFO L101 BaseMinimizeStates]: Removed 8 edges and 4 locations by large block encoding [2024-09-20 20:10:41,049 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:10:41,049 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 20:10:41,050 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 20:10:41,050 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 20:10:41,050 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 20:10:41,056 INFO L520 InvariantChecker]: The annotation(s) from loop head L34-4 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-20 20:10:41,069 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-20 20:10:41,073 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 20:10:41,073 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 20:10:41,073 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 20:10:41,073 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 20:10:41,073 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:10:41,074 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-20 20:10:41,074 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:10:41,075 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 20:10:41,075 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 20:10:41,075 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 20:10:41,075 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 20:10:41,076 INFO L520 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to error location ULTIMATE.startErr0REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-20 20:10:41,087 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 5 edges [2024-09-20 20:10:41,088 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 20:10:41,088 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 20:10:41,088 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 20:10:41,088 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 20:10:41,088 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:10:41,091 INFO L101 BaseMinimizeStates]: Removed 8 edges and 3 locations by large block encoding [2024-09-20 20:10:41,091 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:10:41,091 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 20:10:41,091 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 20:10:41,091 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 20:10:41,092 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 20:10:41,100 INFO L520 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-20 20:10:41,109 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-20 20:10:41,109 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 20:10:41,110 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 20:10:41,110 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 20:10:41,110 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 20:10:41,110 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:10:41,111 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-20 20:10:41,111 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:10:41,112 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 20:10:41,112 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 20:10:41,112 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 20:10:41,112 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 20:10:41,113 INFO L520 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION is inductive. [2024-09-20 20:10:41,124 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 7 edges [2024-09-20 20:10:41,124 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 20:10:41,125 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 20:10:41,125 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 20:10:41,125 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 20:10:41,125 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:10:41,132 INFO L101 BaseMinimizeStates]: Removed 12 edges and 4 locations by large block encoding [2024-09-20 20:10:41,132 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:10:41,132 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 20:10:41,132 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 20:10:41,133 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 20:10:41,134 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 20:10:41,148 INFO L314 BlockEncoder]: Initial Icfg 8 locations, 8 edges [2024-09-20 20:10:41,148 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 20:10:41,148 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 20:10:41,148 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 20:10:41,148 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 20:10:41,148 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:10:41,176 INFO L101 BaseMinimizeStates]: Removed 14 edges and 6 locations by large block encoding [2024-09-20 20:10:41,177 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:10:41,177 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 20:10:41,177 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 20:10:41,177 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 20:10:41,180 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 20:10:41,181 INFO L520 InvariantChecker]: The annotation(s) from loop head L43-2 to loop head mainErr1ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-20 20:10:41,187 INFO L314 BlockEncoder]: Initial Icfg 7 locations, 8 edges [2024-09-20 20:10:41,187 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 20:10:41,187 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 20:10:41,187 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 20:10:41,188 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 20:10:41,188 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:10:41,194 INFO L101 BaseMinimizeStates]: Removed 14 edges and 5 locations by large block encoding [2024-09-20 20:10:41,194 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:10:41,194 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 20:10:41,194 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 20:10:41,194 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 20:10:41,196 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 20:10:41,210 INFO L58 RefereeStarter]: Annotation is not a valid proof of correctness. [2024-09-20 20:10:41,212 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@11303ea1 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CFG 20.09 08:10:41, skipping insertion in model container [2024-09-20 20:10:41,212 INFO L131 PluginConnector]: ------------------------ END Referee---------------------------- [2024-09-20 20:10:41,214 INFO L158 Benchmark]: Toolchain (without parser) took 1047.39ms. Allocated memory was 81.8MB in the beginning and 109.1MB in the end (delta: 27.3MB). Free memory was 45.7MB in the beginning and 78.4MB in the end (delta: -32.7MB). Peak memory consumption was 25.0MB. Max. memory is 16.1GB. [2024-09-20 20:10:41,215 INFO L158 Benchmark]: CDTParser took 0.14ms. Allocated memory is still 81.8MB. Free memory is still 58.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-20 20:10:41,215 INFO L158 Benchmark]: Witness Parser took 0.11ms. Allocated memory is still 81.8MB. Free memory was 47.7MB in the beginning and 47.4MB in the end (delta: 233.3kB). There was no memory consumed. Max. memory is 16.1GB. [2024-09-20 20:10:41,216 INFO L158 Benchmark]: CACSL2BoogieTranslator took 283.82ms. Allocated memory is still 81.8MB. Free memory was 45.4MB in the beginning and 58.7MB in the end (delta: -13.2MB). Peak memory consumption was 18.5MB. Max. memory is 16.1GB. [2024-09-20 20:10:41,216 INFO L158 Benchmark]: Boogie Preprocessor took 54.95ms. Allocated memory is still 81.8MB. Free memory was 58.7MB in the beginning and 56.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-09-20 20:10:41,218 INFO L158 Benchmark]: RCFGBuilder took 337.22ms. Allocated memory is still 81.8MB. Free memory was 56.6MB in the beginning and 41.5MB in the end (delta: 15.1MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-09-20 20:10:41,218 INFO L158 Benchmark]: Referee took 364.48ms. Allocated memory was 81.8MB in the beginning and 109.1MB in the end (delta: 27.3MB). Free memory was 41.5MB in the beginning and 78.4MB in the end (delta: -36.9MB). Peak memory consumption was 19.1MB. Max. memory is 16.1GB. [2024-09-20 20:10:41,221 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=1, counter=2147483647, q=0, r=0 and ends in \old(counter)=0, A=0, b=1, counter=-2147483648, q=0, r=0. Annotation is not valid for all loop-free paths from loop head at line 38 to check that procedure precondition always holds 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 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 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 main to loop head at line 34. Annotation is valid for all loop-free paths from loop head at line 38 to check that procedure precondition always holds at line 39. * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14ms. Allocated memory is still 81.8MB. Free memory is still 58.3MB. There was no memory consumed. Max. memory is 16.1GB. * Witness Parser took 0.11ms. Allocated memory is still 81.8MB. Free memory was 47.7MB in the beginning and 47.4MB in the end (delta: 233.3kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 283.82ms. Allocated memory is still 81.8MB. Free memory was 45.4MB in the beginning and 58.7MB in the end (delta: -13.2MB). Peak memory consumption was 18.5MB. Max. memory is 16.1GB. * Boogie Preprocessor took 54.95ms. Allocated memory is still 81.8MB. Free memory was 58.7MB in the beginning and 56.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 337.22ms. Allocated memory is still 81.8MB. Free memory was 56.6MB in the beginning and 41.5MB in the end (delta: 15.1MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Referee took 364.48ms. Allocated memory was 81.8MB in the beginning and 109.1MB in the end (delta: 27.3MB). Free memory was 41.5MB in the beginning and 78.4MB in the end (delta: -36.9MB). Peak memory consumption was 19.1MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be incorrect! [2024-09-20 20:10:41,248 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