./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 fb1cb0b9 Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/bin/java -Dosgi.configuration.area=/storage/repos/certificate-witnesses-artifact/referee/data/config -Xmx15G -Xms4m -jar /storage/repos/certificate-witnesses-artifact/referee/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/certificate-witnesses-artifact/referee/data -tc /storage/repos/certificate-witnesses-artifact/referee/config/RefereeReachWitnessValidation.xml -i ../sv-benchmarks/c/nla-digbench-scaling/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-fb1cb0b-m [2024-09-25 11:47:17,791 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-25 11:47:17,863 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Default.epf [2024-09-25 11:47:17,867 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-25 11:47:17,868 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-25 11:47:17,901 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-25 11:47:17,902 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-25 11:47:17,902 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-25 11:47:17,905 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-25 11:47:17,905 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-25 11:47:17,905 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-25 11:47:17,906 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-25 11:47:17,906 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-25 11:47:17,907 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-25 11:47:17,908 INFO L153 SettingsManager]: * Use SBE=true [2024-09-25 11:47:17,909 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-25 11:47:17,909 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-25 11:47:17,909 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-25 11:47:17,910 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-09-25 11:47:17,910 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-25 11:47:17,910 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-25 11:47:17,914 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-25 11:47:17,914 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-25 11:47:17,915 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-25 11:47:17,915 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-25 11:47:17,915 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-25 11:47:17,915 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-25 11:47:17,916 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-25 11:47:17,916 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-25 11:47:17,916 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-25 11:47:17,916 INFO L153 SettingsManager]: * Future-live optimization=false [2024-09-25 11:47:17,916 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-25 11:47:17,917 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-25 11:47:17,917 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-25 11:47:17,917 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-25 11:47:17,917 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-25 11:47:17,918 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-25 11:47:17,918 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-09-25 11:47:17,920 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-09-25 11:47:17,920 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-25 11:47:17,920 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-25 11:47:17,921 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-25 11:47:17,921 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-25 11:47:17,921 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/certificate-witnesses-artifact/referee/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None [2024-09-25 11:47:18,180 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-25 11:47:18,203 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-25 11:47:18,206 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-25 11:47:18,207 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-25 11:47:18,207 INFO L274 PluginConnector]: CDTParser initialized [2024-09-25 11:47:18,208 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/nla-digbench-scaling/divbin2_unwindbound1.i [2024-09-25 11:47:19,577 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-25 11:47:19,789 INFO L384 CDTParser]: Found 1 translation units. [2024-09-25 11:47:19,790 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench-scaling/divbin2_unwindbound1.i [2024-09-25 11:47:19,797 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/5b1a255cf/d67ef83643f640d0b8c0e405688666cf/FLAG4b99f7cf3 [2024-09-25 11:47:19,809 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/5b1a255cf/d67ef83643f640d0b8c0e405688666cf [2024-09-25 11:47:19,811 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-25 11:47:19,812 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-25 11:47:19,812 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/automizer-verification-files/SV-COMP24_unreach-call/divbin2_unwindbound1.yml/witness-2.1.yml [2024-09-25 11:47:19,865 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-25 11:47:19,866 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-09-25 11:47:19,867 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-25 11:47:19,868 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-25 11:47:19,873 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-25 11:47:19,873 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 11:47:19" (1/2) ... [2024-09-25 11:47:19,876 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1f1882a1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 11:47:19, skipping insertion in model container [2024-09-25 11:47:19,876 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 11:47:19" (1/2) ... [2024-09-25 11:47:19,878 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@2a060bbf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 11:47:19, skipping insertion in model container [2024-09-25 11:47:19,878 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 25.09 11:47:19" (2/2) ... [2024-09-25 11:47:19,878 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1f1882a1 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 25.09 11:47:19, skipping insertion in model container [2024-09-25 11:47:19,878 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 25.09 11:47:19" (2/2) ... [2024-09-25 11:47:19,891 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-25 11:47:19,891 INFO L1541 ArrayList]: Loop invariant at [L34-L37] ((\old(counter) == 0) && ((((A == r) && (counter == 0)) && (q == 0)) || (((A == r) && (1 <= counter)) && (q == 0)))) [2024-09-25 11:47:19,892 INFO L1541 ArrayList]: Loop invariant at [L38-L47] ((((A == r) && (1 <= counter)) && (\old(counter) == 0)) && (q == 0)) [2024-09-25 11:47:19,892 INFO L1541 ArrayList]: Function contract at [L18]: requires ((1 <= counter) && (1 <= cond)), ensures (((counter == \old(counter)) && (1 <= counter)) && (1 <= cond)) [2024-09-25 11:47:19,892 INFO L1541 ArrayList]: Function contract at [L26]: requires (counter == 0), ensures (\old(counter) == 0) [2024-09-25 11:47:19,911 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-25 11:47:20,060 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] [2024-09-25 11:47:20,075 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-25 11:47:20,083 INFO L200 MainTranslator]: Completed pre-run Start Parsing Global Start Parsing Global [2024-09-25 11:47:20,115 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 [2024-09-25 11:47:20,123 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-25 11:47:20,137 INFO L204 MainTranslator]: Completed translation [2024-09-25 11:47:20,138 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 25.09 11:47:20 WrapperNode [2024-09-25 11:47:20,138 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-25 11:47:20,139 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-25 11:47:20,139 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-25 11:47:20,139 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-25 11:47:20,151 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 25.09 11:47:20" (1/1) ... [2024-09-25 11:47:20,152 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 25.09 11:47:20" (1/1) ... [2024-09-25 11:47:20,157 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 25.09 11:47:20" (1/1) ... [2024-09-25 11:47:20,166 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 [2024-09-25 11:47:20,166 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 25.09 11:47:20" (1/1) ... [2024-09-25 11:47:20,169 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 25.09 11:47:20" (1/1) ... [2024-09-25 11:47:20,175 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 25.09 11:47:20" (1/1) ... [2024-09-25 11:47:20,180 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 25.09 11:47:20" (1/1) ... [2024-09-25 11:47:20,186 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 25.09 11:47:20" (1/1) ... [2024-09-25 11:47:20,187 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 25.09 11:47:20" (1/1) ... [2024-09-25 11:47:20,189 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-25 11:47:20,190 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-25 11:47:20,190 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-25 11:47:20,190 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-25 11:47:20,191 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 25.09 11:47:20" (1/1) ... [2024-09-25 11:47:20,195 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-25 11:47:20,202 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-09-25 11:47:20,215 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/certificate-witnesses-artifact/referee/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-09-25 11:47:20,217 INFO L327 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/referee/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-09-25 11:47:20,256 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-09-25 11:47:20,256 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-25 11:47:20,256 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-09-25 11:47:20,256 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-09-25 11:47:20,256 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-09-25 11:47:20,256 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-09-25 11:47:20,257 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-09-25 11:47:20,257 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-09-25 11:47:20,257 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_perror_fail [2024-09-25 11:47:20,257 INFO L130 BoogieDeclarations]: Found specification of procedure __assert [2024-09-25 11:47:20,257 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-09-25 11:47:20,258 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-25 11:47:20,258 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2024-09-25 11:47:20,258 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-09-25 11:47:20,258 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-09-25 11:47:20,258 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-09-25 11:47:20,258 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-09-25 11:47:20,258 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-09-25 11:47:20,259 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-25 11:47:20,259 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-09-25 11:47:20,259 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-09-25 11:47:20,259 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-09-25 11:47:20,366 INFO L241 CfgBuilder]: Building ICFG [2024-09-25 11:47:20,368 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-25 11:47:20,492 WARN L782 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-25 11:47:20,626 WARN L782 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-25 11:47:20,641 INFO L290 CfgBuilder]: Performing block encoding [2024-09-25 11:47:20,666 INFO L312 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-25 11:47:20,667 INFO L317 CfgBuilder]: Removed 2 assume(true) statements. [2024-09-25 11:47:20,667 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 11:47:20 BoogieIcfgContainer [2024-09-25 11:47:20,668 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-25 11:47:20,669 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-09-25 11:47:20,669 INFO L270 PluginConnector]: Initializing Referee... [2024-09-25 11:47:20,670 INFO L274 PluginConnector]: Referee initialized [2024-09-25 11:47:20,670 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 25.09 11:47:19" (1/4) ... [2024-09-25 11:47:20,670 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@5e7eba30 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 25.09 11:47:20, skipping insertion in model container [2024-09-25 11:47:20,671 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 25.09 11:47:19" (2/4) ... [2024-09-25 11:47:20,671 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@5e7eba30 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 25.09 11:47:20, skipping insertion in model container [2024-09-25 11:47:20,671 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 25.09 11:47:20" (3/4) ... [2024-09-25 11:47:20,671 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@5e7eba30 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 25.09 11:47:20, skipping insertion in model container [2024-09-25 11:47:20,671 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 11:47:20" (4/4) ... [2024-09-25 11:47:20,672 INFO L79 RefereeObserver]: Analyzing ICFG divbin2_unwindbound1.i [2024-09-25 11:47:20,675 INFO L113 InvariantChecker]: Found 2 loops. [2024-09-25 11:47:20,675 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L43-2 to ERROR_LOC mainErr4ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 10 edges. [2024-09-25 11:47:20,675 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L43-2 to ERROR_LOC mainErr2REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 4 edges. [2024-09-25 11:47:20,676 INFO L373 InvariantChecker]: Will check inductivity from ENTRY mainENTRY to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 2 edges. [2024-09-25 11:47:20,676 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L34-4 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 5 edges. [2024-09-25 11:47:20,676 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC ULTIMATE.startErr0REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 3 edges. [2024-09-25 11:47:20,676 INFO L373 InvariantChecker]: Will check inductivity from ENTRY __VERIFIER_assertENTRY to ERROR_LOC __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 5 edges. [2024-09-25 11:47:20,676 INFO L373 InvariantChecker]: Will check inductivity from ENTRY __VERIFIER_assertENTRY to ERROR_LOC __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 3 edges. [2024-09-25 11:47:20,676 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L34-4 to LOOP_INVARIANT_ERROR_LOC mainErr1ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 7 edges. [2024-09-25 11:47:20,676 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L43-2 to LOOP_INVARIANT_ERROR_LOC mainErr1ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 8 edges. [2024-09-25 11:47:20,676 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L43-2 to ERROR_LOC mainErr3REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 8 edges. [2024-09-25 11:47:20,677 INFO L131 InvariantChecker]: Will check 3 loop-free subgraphs from loop head to error location, 3 loop-free subgraphs from procedure entry to error location, 3 loop-free subgraphs from loop head to loop head, 1 loop-free subgraphs from procedure entry to loop head [2024-09-25 11:47:20,724 INFO L314 BlockEncoder]: Initial Icfg 9 locations, 10 edges [2024-09-25 11:47:20,725 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 11:47:20,725 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 11:47:20,726 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 11:47:20,727 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 11:47:20,729 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:47:20,779 INFO L101 BaseMinimizeStates]: Removed 22 edges and 7 locations by large block encoding [2024-09-25 11:47:20,780 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:47:20,780 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 11:47:20,780 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 11:47:20,781 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 11:47:20,784 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 11:47:20,804 INFO L520 InvariantChecker]: The annotation(s) from loop head L43-2 to error location mainErr4ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-25 11:47:20,823 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 4 edges [2024-09-25 11:47:20,824 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 11:47:20,824 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 11:47:20,824 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 11:47:20,824 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 11:47:20,827 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:47:20,835 INFO L101 BaseMinimizeStates]: Removed 6 edges and 3 locations by large block encoding [2024-09-25 11:47:20,839 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:47:20,839 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 11:47:20,839 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 11:47:20,839 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 11:47:20,840 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 11:47:20,842 INFO L520 InvariantChecker]: The annotation(s) from loop head L43-2 to error location mainErr2REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-25 11:47:20,864 INFO L314 BlockEncoder]: Initial Icfg 3 locations, 2 edges [2024-09-25 11:47:20,864 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 11:47:20,864 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 11:47:20,864 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 11:47:20,864 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 11:47:20,864 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:47:20,866 INFO L101 BaseMinimizeStates]: Removed 2 edges and 1 locations by large block encoding [2024-09-25 11:47:20,868 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:47:20,868 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 11:47:20,869 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 11:47:20,869 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 11:47:20,869 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 11:47:20,875 INFO L520 InvariantChecker]: The annotation(s) from entry mainENTRY to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-25 11:47:20,897 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 5 edges [2024-09-25 11:47:20,897 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 11:47:20,897 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 11:47:20,900 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 11:47:20,900 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 11:47:20,900 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:47:20,911 INFO L101 BaseMinimizeStates]: Removed 8 edges and 4 locations by large block encoding [2024-09-25 11:47:20,912 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:47:20,912 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 11:47:20,912 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 11:47:20,912 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 11:47:20,912 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 11:47:20,919 INFO L520 InvariantChecker]: The annotation(s) from loop head L34-4 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-25 11:47:20,934 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-25 11:47:20,935 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 11:47:20,936 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 11:47:20,937 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 11:47:20,937 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 11:47:20,937 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:47:20,938 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-25 11:47:20,939 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:47:20,939 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 11:47:20,939 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 11:47:20,940 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 11:47:20,940 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 11:47:20,941 INFO L520 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to error location ULTIMATE.startErr0REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-25 11:47:20,953 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 5 edges [2024-09-25 11:47:20,954 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 11:47:20,954 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 11:47:20,955 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 11:47:20,955 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 11:47:20,955 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:47:20,958 INFO L101 BaseMinimizeStates]: Removed 8 edges and 3 locations by large block encoding [2024-09-25 11:47:20,959 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:47:20,960 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 11:47:20,960 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 11:47:20,960 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 11:47:20,962 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 11:47:20,964 INFO L520 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-25 11:47:20,976 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-25 11:47:20,977 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 11:47:20,977 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 11:47:20,978 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 11:47:20,978 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 11:47:20,978 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:47:20,979 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-25 11:47:20,979 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:47:20,980 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 11:47:20,980 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 11:47:20,980 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 11:47:20,980 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 11:47:20,982 INFO L520 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION is inductive. [2024-09-25 11:47:20,994 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 7 edges [2024-09-25 11:47:20,994 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 11:47:20,995 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 11:47:20,995 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 11:47:20,996 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 11:47:20,996 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:47:21,009 INFO L101 BaseMinimizeStates]: Removed 12 edges and 4 locations by large block encoding [2024-09-25 11:47:21,010 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:47:21,010 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 11:47:21,010 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 11:47:21,010 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 11:47:21,013 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 11:47:21,016 INFO L520 InvariantChecker]: The annotation(s) from loop head L34-4 to loop head mainErr1ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-25 11:47:21,033 INFO L314 BlockEncoder]: Initial Icfg 8 locations, 8 edges [2024-09-25 11:47:21,033 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 11:47:21,033 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 11:47:21,034 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 11:47:21,034 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 11:47:21,034 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:47:21,060 INFO L101 BaseMinimizeStates]: Removed 14 edges and 6 locations by large block encoding [2024-09-25 11:47:21,060 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:47:21,060 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 11:47:21,061 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 11:47:21,061 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 11:47:21,068 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 11:47:21,072 INFO L520 InvariantChecker]: The annotation(s) from loop head L43-2 to loop head mainErr1ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-25 11:47:21,085 INFO L314 BlockEncoder]: Initial Icfg 7 locations, 8 edges [2024-09-25 11:47:21,086 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 11:47:21,086 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 11:47:21,087 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 11:47:21,087 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 11:47:21,087 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:47:21,100 INFO L101 BaseMinimizeStates]: Removed 14 edges and 5 locations by large block encoding [2024-09-25 11:47:21,101 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:47:21,101 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 11:47:21,101 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 11:47:21,101 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 11:47:21,105 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 11:47:25,108 INFO L516 InvariantChecker]: unknown inductivity: todo good error message [2024-09-25 11:47:25,115 INFO L58 RefereeStarter]: Insufficient resources for checking whether annotation is a valid proof of correctness. [2024-09-25 11:47:25,115 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@5e7eba30 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CFG 25.09 11:47:25, skipping insertion in model container [2024-09-25 11:47:25,115 INFO L131 PluginConnector]: ------------------------ END Referee---------------------------- [2024-09-25 11:47:25,117 INFO L158 Benchmark]: Toolchain (without parser) took 5249.89ms. Allocated memory is still 157.3MB. Free memory was 124.0MB in the beginning and 68.4MB in the end (delta: 55.6MB). Peak memory consumption was 52.8MB. Max. memory is 16.1GB. [2024-09-25 11:47:25,117 INFO L158 Benchmark]: CDTParser took 0.18ms. Allocated memory is still 157.3MB. Free memory was 119.9MB in the beginning and 119.7MB in the end (delta: 167.9kB). There was no memory consumed. Max. memory is 16.1GB. [2024-09-25 11:47:25,118 INFO L158 Benchmark]: Witness Parser took 0.10ms. Allocated memory is still 157.3MB. Free memory is still 125.9MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-25 11:47:25,118 INFO L158 Benchmark]: CACSL2BoogieTranslator took 270.76ms. Allocated memory is still 157.3MB. Free memory was 123.3MB in the beginning and 110.0MB in the end (delta: 13.3MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-09-25 11:47:25,118 INFO L158 Benchmark]: Boogie Preprocessor took 50.03ms. Allocated memory is still 157.3MB. Free memory was 110.0MB in the beginning and 107.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-09-25 11:47:25,119 INFO L158 Benchmark]: RCFGBuilder took 478.78ms. Allocated memory is still 157.3MB. Free memory was 107.9MB in the beginning and 119.8MB in the end (delta: -12.0MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2024-09-25 11:47:25,119 INFO L158 Benchmark]: Referee took 4446.44ms. Allocated memory is still 157.3MB. Free memory was 119.8MB in the beginning and 68.4MB in the end (delta: 51.5MB). Peak memory consumption was 50.3MB. Max. memory is 16.1GB. [2024-09-25 11:47:25,122 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 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 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 loop head at line 34 to loop head at line 38. Annotation is valid for all loop-free paths from entry of procedure ULTIMATE.start to check that procedure precondition always holds at line -1. Annotation is valid for all loop-free paths from entry of procedure main 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. * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18ms. Allocated memory is still 157.3MB. Free memory was 119.9MB in the beginning and 119.7MB in the end (delta: 167.9kB). There was no memory consumed. Max. memory is 16.1GB. * Witness Parser took 0.10ms. Allocated memory is still 157.3MB. Free memory is still 125.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 270.76ms. Allocated memory is still 157.3MB. Free memory was 123.3MB in the beginning and 110.0MB in the end (delta: 13.3MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Preprocessor took 50.03ms. Allocated memory is still 157.3MB. Free memory was 110.0MB in the beginning and 107.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 478.78ms. Allocated memory is still 157.3MB. Free memory was 107.9MB in the beginning and 119.8MB in the end (delta: -12.0MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Referee took 4446.44ms. Allocated memory is still 157.3MB. Free memory was 119.8MB in the beginning and 68.4MB in the end (delta: 51.5MB). Peak memory consumption was 50.3MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-09-25 11:47:25,145 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 Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/bin/java -Dosgi.configuration.area=/storage/repos/certificate-witnesses-artifact/referee/data/config -Xmx15G -Xms4m -jar /storage/repos/certificate-witnesses-artifact/referee/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/certificate-witnesses-artifact/referee/data -tc /storage/repos/certificate-witnesses-artifact/referee/config/RefereeReachWitnessValidation.xml -i ../sv-benchmarks/c/nla-digbench-scaling/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-fb1cb0b-m [2024-09-25 11:47:27,142 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-25 11:47:27,225 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Bitvector.epf [2024-09-25 11:47:27,229 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-25 11:47:27,232 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-25 11:47:27,263 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-25 11:47:27,264 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-25 11:47:27,264 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-25 11:47:27,265 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-25 11:47:27,265 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-25 11:47:27,266 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-25 11:47:27,266 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-25 11:47:27,267 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-25 11:47:27,267 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-25 11:47:27,268 INFO L153 SettingsManager]: * Use SBE=true [2024-09-25 11:47:27,268 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-25 11:47:27,269 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-25 11:47:27,269 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-25 11:47:27,269 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-25 11:47:27,270 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-25 11:47:27,270 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-25 11:47:27,274 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-25 11:47:27,275 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-25 11:47:27,275 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-09-25 11:47:27,275 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-09-25 11:47:27,275 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-25 11:47:27,275 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-09-25 11:47:27,276 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-25 11:47:27,276 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-25 11:47:27,276 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-25 11:47:27,276 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-25 11:47:27,277 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-25 11:47:27,277 INFO L153 SettingsManager]: * Future-live optimization=false [2024-09-25 11:47:27,284 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-25 11:47:27,285 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-25 11:47:27,285 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-25 11:47:27,285 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-25 11:47:27,285 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-25 11:47:27,285 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-25 11:47:27,286 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-09-25 11:47:27,286 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-09-25 11:47:27,288 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-25 11:47:27,288 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-25 11:47:27,288 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-25 11:47:27,289 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-25 11:47:27,289 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2024-09-25 11:47:27,289 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/certificate-witnesses-artifact/referee/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None [2024-09-25 11:47:27,601 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-25 11:47:27,625 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-25 11:47:27,628 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-25 11:47:27,629 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-25 11:47:27,630 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-25 11:47:27,632 INFO L431 ainManager$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 [2024-09-25 11:47:27,708 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-25 11:47:27,709 INFO L274 PluginConnector]: CDTParser initialized [2024-09-25 11:47:27,709 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/nla-digbench-scaling/divbin2_unwindbound1.i [2024-09-25 11:47:29,173 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-25 11:47:29,355 INFO L384 CDTParser]: Found 1 translation units. [2024-09-25 11:47:29,359 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench-scaling/divbin2_unwindbound1.i [2024-09-25 11:47:29,367 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/bdaa9e92d/85b4031f401c4c9b9f22066b9756d6b0/FLAG5711f8c4b [2024-09-25 11:47:29,743 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/bdaa9e92d/85b4031f401c4c9b9f22066b9756d6b0 [2024-09-25 11:47:29,744 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-25 11:47:29,746 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-09-25 11:47:29,746 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-25 11:47:29,747 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-25 11:47:29,751 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-25 11:47:29,751 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 25.09 11:47:27" (1/2) ... [2024-09-25 11:47:29,752 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@168cfda4 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 25.09 11:47:29, skipping insertion in model container [2024-09-25 11:47:29,752 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 25.09 11:47:27" (1/2) ... [2024-09-25 11:47:29,753 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@756479c5 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 25.09 11:47:29, skipping insertion in model container [2024-09-25 11:47:29,754 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 11:47:29" (2/2) ... [2024-09-25 11:47:29,754 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@168cfda4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 11:47:29, skipping insertion in model container [2024-09-25 11:47:29,754 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 11:47:29" (2/2) ... [2024-09-25 11:47:29,770 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-25 11:47:29,772 INFO L1541 ArrayList]: Loop invariant at [L38-L47] ((((A == r) && (1 <= counter)) && (\old(counter) == 0)) && (q == 0)) [2024-09-25 11:47:29,772 INFO L1541 ArrayList]: Loop invariant at [L34-L37] ((\old(counter) == 0) && ((((A == r) && (counter == 0)) && (q == 0)) || (((A == r) && (1 <= counter)) && (q == 0)))) [2024-09-25 11:47:29,772 INFO L1541 ArrayList]: Function contract at [L26]: requires (counter == 0), ensures (\old(counter) == 0) [2024-09-25 11:47:29,772 INFO L1541 ArrayList]: Function contract at [L18]: requires ((1 <= counter) && (1 <= cond)), ensures (((counter == \old(counter)) && (1 <= counter)) && (1 <= cond)) [2024-09-25 11:47:29,788 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-25 11:47:29,928 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] [2024-09-25 11:47:29,943 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-25 11:47:29,956 INFO L200 MainTranslator]: Completed pre-run Start Parsing Global Start Parsing Global [2024-09-25 11:47:29,992 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 [2024-09-25 11:47:30,003 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-25 11:47:30,018 INFO L204 MainTranslator]: Completed translation [2024-09-25 11:47:30,019 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 11:47:30 WrapperNode [2024-09-25 11:47:30,019 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-25 11:47:30,020 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-25 11:47:30,020 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-25 11:47:30,020 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-25 11:47:30,032 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 11:47:30" (1/1) ... [2024-09-25 11:47:30,032 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 11:47:30" (1/1) ... [2024-09-25 11:47:30,041 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 11:47:30" (1/1) ... [2024-09-25 11:47:30,050 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 [2024-09-25 11:47:30,054 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 11:47:30" (1/1) ... [2024-09-25 11:47:30,054 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 11:47:30" (1/1) ... [2024-09-25 11:47:30,064 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 11:47:30" (1/1) ... [2024-09-25 11:47:30,067 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 11:47:30" (1/1) ... [2024-09-25 11:47:30,072 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 11:47:30" (1/1) ... [2024-09-25 11:47:30,073 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 11:47:30" (1/1) ... [2024-09-25 11:47:30,078 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-25 11:47:30,079 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-25 11:47:30,083 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-25 11:47:30,083 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-25 11:47:30,084 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 11:47:30" (1/1) ... [2024-09-25 11:47:30,092 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-25 11:47:30,101 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-09-25 11:47:30,119 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/certificate-witnesses-artifact/referee/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-09-25 11:47:30,122 INFO L327 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/referee/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-09-25 11:47:30,164 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-09-25 11:47:30,165 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-25 11:47:30,165 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-09-25 11:47:30,165 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-09-25 11:47:30,165 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-09-25 11:47:30,165 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-09-25 11:47:30,165 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-09-25 11:47:30,165 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-09-25 11:47:30,166 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_perror_fail [2024-09-25 11:47:30,166 INFO L130 BoogieDeclarations]: Found specification of procedure __assert [2024-09-25 11:47:30,166 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-09-25 11:47:30,166 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-25 11:47:30,166 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2024-09-25 11:47:30,166 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-09-25 11:47:30,167 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-09-25 11:47:30,167 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-09-25 11:47:30,167 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-09-25 11:47:30,167 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-09-25 11:47:30,167 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-25 11:47:30,167 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2024-09-25 11:47:30,167 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2024-09-25 11:47:30,167 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-09-25 11:47:30,263 INFO L241 CfgBuilder]: Building ICFG [2024-09-25 11:47:30,266 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-25 11:47:30,316 WARN L782 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-25 11:47:30,520 WARN L782 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-25 11:47:30,549 INFO L290 CfgBuilder]: Performing block encoding [2024-09-25 11:47:30,591 INFO L312 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-25 11:47:30,592 INFO L317 CfgBuilder]: Removed 2 assume(true) statements. [2024-09-25 11:47:30,592 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 11:47:30 BoogieIcfgContainer [2024-09-25 11:47:30,592 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-25 11:47:30,592 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-09-25 11:47:30,593 INFO L270 PluginConnector]: Initializing Referee... [2024-09-25 11:47:30,593 INFO L274 PluginConnector]: Referee initialized [2024-09-25 11:47:30,593 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 25.09 11:47:27" (1/4) ... [2024-09-25 11:47:30,594 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@43fbfdd8 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 25.09 11:47:30, skipping insertion in model container [2024-09-25 11:47:30,594 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 25.09 11:47:29" (2/4) ... [2024-09-25 11:47:30,594 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@43fbfdd8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 25.09 11:47:30, skipping insertion in model container [2024-09-25 11:47:30,594 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 11:47:30" (3/4) ... [2024-09-25 11:47:30,596 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@43fbfdd8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 25.09 11:47:30, skipping insertion in model container [2024-09-25 11:47:30,598 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 11:47:30" (4/4) ... [2024-09-25 11:47:30,599 INFO L79 RefereeObserver]: Analyzing ICFG divbin2_unwindbound1.i [2024-09-25 11:47:30,602 INFO L113 InvariantChecker]: Found 2 loops. [2024-09-25 11:47:30,603 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L43-2 to ERROR_LOC mainErr4ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 10 edges. [2024-09-25 11:47:30,603 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L43-2 to ERROR_LOC mainErr2REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 4 edges. [2024-09-25 11:47:30,603 INFO L373 InvariantChecker]: Will check inductivity from ENTRY mainENTRY to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 2 edges. [2024-09-25 11:47:30,604 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L34-4 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 5 edges. [2024-09-25 11:47:30,604 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC ULTIMATE.startErr0REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 3 edges. [2024-09-25 11:47:30,604 INFO L373 InvariantChecker]: Will check inductivity from ENTRY __VERIFIER_assertENTRY to ERROR_LOC __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 5 edges. [2024-09-25 11:47:30,604 INFO L373 InvariantChecker]: Will check inductivity from ENTRY __VERIFIER_assertENTRY to ERROR_LOC __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 3 edges. [2024-09-25 11:47:30,604 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L34-4 to LOOP_INVARIANT_ERROR_LOC mainErr1ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 7 edges. [2024-09-25 11:47:30,604 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L43-2 to LOOP_INVARIANT_ERROR_LOC mainErr1ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 8 edges. [2024-09-25 11:47:30,604 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L43-2 to ERROR_LOC mainErr3REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 8 edges. [2024-09-25 11:47:30,605 INFO L131 InvariantChecker]: Will check 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, 3 loop-free subgraphs from loop head to loop head [2024-09-25 11:47:30,659 INFO L314 BlockEncoder]: Initial Icfg 9 locations, 10 edges [2024-09-25 11:47:30,660 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 11:47:30,661 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 11:47:30,661 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 11:47:30,662 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 11:47:30,664 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:47:30,744 INFO L101 BaseMinimizeStates]: Removed 22 edges and 7 locations by large block encoding [2024-09-25 11:47:30,745 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:47:30,746 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 11:47:30,746 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 11:47:30,747 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 11:47:30,750 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 11:47:30,764 INFO L520 InvariantChecker]: The annotation(s) from loop head L43-2 to error location mainErr4ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-25 11:47:30,789 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 4 edges [2024-09-25 11:47:30,790 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 11:47:30,790 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 11:47:30,790 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 11:47:30,791 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 11:47:30,792 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:47:30,800 INFO L101 BaseMinimizeStates]: Removed 6 edges and 3 locations by large block encoding [2024-09-25 11:47:30,801 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:47:30,801 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 11:47:30,801 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 11:47:30,801 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 11:47:30,802 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 11:47:30,810 INFO L520 InvariantChecker]: The annotation(s) from loop head L43-2 to error location mainErr2REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-25 11:47:30,830 INFO L314 BlockEncoder]: Initial Icfg 3 locations, 2 edges [2024-09-25 11:47:30,831 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 11:47:30,831 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 11:47:30,832 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 11:47:30,832 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 11:47:30,833 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:47:30,835 INFO L101 BaseMinimizeStates]: Removed 2 edges and 1 locations by large block encoding [2024-09-25 11:47:30,835 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:47:30,835 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 11:47:30,836 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 11:47:30,836 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 11:47:30,837 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 11:47:30,845 INFO L520 InvariantChecker]: The annotation(s) from entry mainENTRY to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-25 11:47:30,862 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 5 edges [2024-09-25 11:47:30,863 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 11:47:30,863 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 11:47:30,863 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 11:47:30,863 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 11:47:30,864 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:47:30,876 INFO L101 BaseMinimizeStates]: Removed 8 edges and 4 locations by large block encoding [2024-09-25 11:47:30,876 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:47:30,876 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 11:47:30,876 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 11:47:30,877 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 11:47:30,877 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 11:47:30,881 INFO L520 InvariantChecker]: The annotation(s) from loop head L34-4 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-25 11:47:30,897 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-25 11:47:30,897 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 11:47:30,898 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 11:47:30,898 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 11:47:30,898 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 11:47:30,898 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:47:30,899 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-25 11:47:30,899 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:47:30,899 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 11:47:30,900 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 11:47:30,900 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 11:47:30,900 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 11:47:30,901 INFO L520 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to error location ULTIMATE.startErr0REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-25 11:47:30,909 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 5 edges [2024-09-25 11:47:30,909 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 11:47:30,909 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 11:47:30,909 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 11:47:30,921 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 11:47:30,921 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:47:30,924 INFO L101 BaseMinimizeStates]: Removed 8 edges and 3 locations by large block encoding [2024-09-25 11:47:30,925 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:47:30,925 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 11:47:30,925 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 11:47:30,925 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 11:47:30,926 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 11:47:30,928 INFO L520 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-25 11:47:30,939 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-25 11:47:30,939 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 11:47:30,939 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 11:47:30,940 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 11:47:30,940 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 11:47:30,940 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:47:30,942 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-25 11:47:30,942 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:47:30,944 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 11:47:30,944 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 11:47:30,944 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 11:47:30,944 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 11:47:30,945 INFO L520 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION is inductive. [2024-09-25 11:47:30,953 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 7 edges [2024-09-25 11:47:30,954 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 11:47:30,954 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 11:47:30,954 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 11:47:30,954 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 11:47:30,954 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:47:30,964 INFO L101 BaseMinimizeStates]: Removed 12 edges and 4 locations by large block encoding [2024-09-25 11:47:30,964 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:47:30,964 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 11:47:30,964 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 11:47:30,965 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 11:47:30,966 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 11:47:30,986 INFO L314 BlockEncoder]: Initial Icfg 8 locations, 8 edges [2024-09-25 11:47:30,986 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 11:47:30,986 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 11:47:30,986 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 11:47:30,986 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 11:47:30,987 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:47:31,001 INFO L101 BaseMinimizeStates]: Removed 14 edges and 6 locations by large block encoding [2024-09-25 11:47:31,001 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:47:31,001 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 11:47:31,001 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 11:47:31,001 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 11:47:31,005 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 11:47:31,007 INFO L520 InvariantChecker]: The annotation(s) from loop head L43-2 to loop head mainErr1ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-25 11:47:31,014 INFO L314 BlockEncoder]: Initial Icfg 7 locations, 8 edges [2024-09-25 11:47:31,015 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 11:47:31,015 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 11:47:31,015 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 11:47:31,015 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 11:47:31,015 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:47:31,023 INFO L101 BaseMinimizeStates]: Removed 14 edges and 5 locations by large block encoding [2024-09-25 11:47:31,023 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:47:31,024 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 11:47:31,024 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 11:47:31,024 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 11:47:31,026 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 11:47:31,046 INFO L58 RefereeStarter]: Annotation is not a valid proof of correctness. [2024-09-25 11:47:31,047 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@43fbfdd8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee CFG 25.09 11:47:31, skipping insertion in model container [2024-09-25 11:47:31,047 INFO L131 PluginConnector]: ------------------------ END Referee---------------------------- [2024-09-25 11:47:31,049 INFO L158 Benchmark]: Toolchain (without parser) took 1302.28ms. Allocated memory was 62.9MB in the beginning and 79.7MB in the end (delta: 16.8MB). Free memory was 28.4MB in the beginning and 56.7MB in the end (delta: -28.3MB). Peak memory consumption was 16.2MB. Max. memory is 16.1GB. [2024-09-25 11:47:31,049 INFO L158 Benchmark]: Witness Parser took 0.33ms. Allocated memory is still 48.2MB. Free memory was 23.3MB in the beginning and 23.2MB in the end (delta: 52.5kB). There was no memory consumed. Max. memory is 16.1GB. [2024-09-25 11:47:31,049 INFO L158 Benchmark]: CDTParser took 0.14ms. Allocated memory is still 48.2MB. Free memory was 31.2MB in the beginning and 31.2MB in the end (delta: 41.5kB). There was no memory consumed. Max. memory is 16.1GB. [2024-09-25 11:47:31,050 INFO L158 Benchmark]: CACSL2BoogieTranslator took 272.83ms. Allocated memory is still 62.9MB. Free memory was 28.2MB in the beginning and 29.8MB in the end (delta: -1.6MB). Peak memory consumption was 3.0MB. Max. memory is 16.1GB. [2024-09-25 11:47:31,050 INFO L158 Benchmark]: Boogie Preprocessor took 58.39ms. Allocated memory is still 62.9MB. Free memory was 29.8MB in the beginning and 27.6MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-09-25 11:47:31,051 INFO L158 Benchmark]: RCFGBuilder took 513.09ms. Allocated memory is still 62.9MB. Free memory was 27.6MB in the beginning and 28.5MB in the end (delta: -913.1kB). Peak memory consumption was 3.1MB. Max. memory is 16.1GB. [2024-09-25 11:47:31,051 INFO L158 Benchmark]: Referee took 454.40ms. Allocated memory was 62.9MB in the beginning and 79.7MB in the end (delta: 16.8MB). Free memory was 28.5MB in the beginning and 56.7MB in the end (delta: -28.2MB). Peak memory consumption was 16.3MB. Max. memory is 16.1GB. [2024-09-25 11:47:31,054 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 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 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, counter=2147483647, q=0, r=0 and ends in \old(counter)=0, A=0, b=0, counter=-2147483648, q=0, r=0. 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 __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 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 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: * Witness Parser took 0.33ms. Allocated memory is still 48.2MB. Free memory was 23.3MB in the beginning and 23.2MB in the end (delta: 52.5kB). There was no memory consumed. Max. memory is 16.1GB. * CDTParser took 0.14ms. Allocated memory is still 48.2MB. Free memory was 31.2MB in the beginning and 31.2MB in the end (delta: 41.5kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 272.83ms. Allocated memory is still 62.9MB. Free memory was 28.2MB in the beginning and 29.8MB in the end (delta: -1.6MB). Peak memory consumption was 3.0MB. Max. memory is 16.1GB. * Boogie Preprocessor took 58.39ms. Allocated memory is still 62.9MB. Free memory was 29.8MB in the beginning and 27.6MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 513.09ms. Allocated memory is still 62.9MB. Free memory was 27.6MB in the beginning and 28.5MB in the end (delta: -913.1kB). Peak memory consumption was 3.1MB. Max. memory is 16.1GB. * Referee took 454.40ms. Allocated memory was 62.9MB in the beginning and 79.7MB in the end (delta: 16.8MB). Free memory was 28.5MB in the beginning and 56.7MB in the end (delta: -28.2MB). Peak memory consumption was 16.3MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be incorrect! [2024-09-25 11:47:31,092 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