./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/loop-lit/mine2017-ex4.7.i --full-output --witness-type correctness_witness --validate ../results/automizer-verification-files/SV-COMP24_unreach-call/mine2017-ex4.7.yml/witness-2.1.yml --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version a9b967e5 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/loop-lit/mine2017-ex4.7.i ../results/automizer-verification-files/SV-COMP24_unreach-call/mine2017-ex4.7.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-dev-a9b967e-m [2024-09-11 20:47:17,802 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-11 20:47:17,854 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Default.epf [2024-09-11 20:47:17,859 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-11 20:47:17,859 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-11 20:47:17,883 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-11 20:47:17,883 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-11 20:47:17,884 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-11 20:47:17,884 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-11 20:47:17,887 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-11 20:47:17,887 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-11 20:47:17,887 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-11 20:47:17,887 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-11 20:47:17,888 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-11 20:47:17,888 INFO L153 SettingsManager]: * Use SBE=true [2024-09-11 20:47:17,888 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-11 20:47:17,888 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-11 20:47:17,888 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-11 20:47:17,889 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-09-11 20:47:17,889 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-11 20:47:17,889 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-11 20:47:17,891 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-11 20:47:17,891 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-11 20:47:17,891 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-11 20:47:17,891 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-11 20:47:17,891 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-11 20:47:17,892 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-11 20:47:17,892 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-11 20:47:17,892 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-11 20:47:17,892 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-11 20:47:17,892 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-11 20:47:17,893 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-11 20:47:17,893 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-11 20:47:17,893 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-11 20:47:17,893 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-11 20:47:17,893 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-11 20:47:17,893 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-09-11 20:47:17,893 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-09-11 20:47:17,894 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-11 20:47:17,894 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-11 20:47:17,894 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-11 20:47:17,895 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-11 20:47:17,895 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None [2024-09-11 20:47:18,131 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-11 20:47:18,156 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-11 20:47:18,158 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-11 20:47:18,159 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-11 20:47:18,159 INFO L274 PluginConnector]: CDTParser initialized [2024-09-11 20:47:18,160 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/loop-lit/mine2017-ex4.7.i [2024-09-11 20:47:19,418 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-11 20:47:19,565 INFO L384 CDTParser]: Found 1 translation units. [2024-09-11 20:47:19,565 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-lit/mine2017-ex4.7.i [2024-09-11 20:47:19,573 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/69b5ae063/e792073adf6b493e909cbffbdf3ee023/FLAG9d31ccf3c [2024-09-11 20:47:19,589 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/69b5ae063/e792073adf6b493e909cbffbdf3ee023 [2024-09-11 20:47:19,591 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-11 20:47:19,592 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-11 20:47:19,593 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/automizer-verification-files/SV-COMP24_unreach-call/mine2017-ex4.7.yml/witness-2.1.yml [2024-09-11 20:47:19,635 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-11 20:47:19,636 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-09-11 20:47:19,638 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-11 20:47:19,638 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-11 20:47:19,642 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-11 20:47:19,642 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.09 08:47:19" (1/2) ... [2024-09-11 20:47:19,644 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@60cc5649 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:47:19, skipping insertion in model container [2024-09-11 20:47:19,644 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.09 08:47:19" (1/2) ... [2024-09-11 20:47:19,645 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@e8fdd5e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:47:19, skipping insertion in model container [2024-09-11 20:47:19,645 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 11.09 08:47:19" (2/2) ... [2024-09-11 20:47:19,645 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@60cc5649 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 11.09 08:47:19, skipping insertion in model container [2024-09-11 20:47:19,645 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 11.09 08:47:19" (2/2) ... [2024-09-11 20:47:19,653 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-11 20:47:19,655 INFO L1541 ArrayList]: Location invariant before [L17-L25] (0 < ((long long) x + 1)) [2024-09-11 20:47:19,655 INFO L1541 ArrayList]: Loop invariant at [L17-L25] ((0 <= x) && (x <= 40)) [2024-09-11 20:47:19,655 INFO L1541 ArrayList]: Function contract at [L13]: requires (\old(cond) != 0), ensures (\old(cond) != 0) [2024-09-11 20:47:19,670 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-11 20:47:19,794 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-lit/mine2017-ex4.7.i[812,825] [2024-09-11 20:47:19,811 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-11 20:47:19,820 INFO L200 MainTranslator]: Completed pre-run Start Parsing Global Start Parsing Global [2024-09-11 20:47:19,852 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-lit/mine2017-ex4.7.i[812,825] Start Parsing Local Start Parsing Local [2024-09-11 20:47:19,861 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-11 20:47:19,873 INFO L204 MainTranslator]: Completed translation [2024-09-11 20:47:19,874 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 11.09 08:47:19 WrapperNode [2024-09-11 20:47:19,874 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-11 20:47:19,875 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-11 20:47:19,875 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-11 20:47:19,875 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-11 20:47:19,884 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 11.09 08:47:19" (1/1) ... [2024-09-11 20:47:19,884 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 11.09 08:47:19" (1/1) ... [2024-09-11 20:47:19,888 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 11.09 08:47:19" (1/1) ... [2024-09-11 20:47:19,898 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 [2024-09-11 20:47:19,900 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 11.09 08:47:19" (1/1) ... [2024-09-11 20:47:19,900 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 11.09 08:47:19" (1/1) ... [2024-09-11 20:47:19,908 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 11.09 08:47:19" (1/1) ... [2024-09-11 20:47:19,910 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 11.09 08:47:19" (1/1) ... [2024-09-11 20:47:19,911 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 11.09 08:47:19" (1/1) ... [2024-09-11 20:47:19,915 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 11.09 08:47:19" (1/1) ... [2024-09-11 20:47:19,916 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-11 20:47:19,917 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-11 20:47:19,917 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-11 20:47:19,917 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-11 20:47:19,918 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 11.09 08:47:19" (1/1) ... [2024-09-11 20:47:19,922 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-11 20:47:19,928 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-09-11 20:47:19,941 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) [2024-09-11 20:47:19,943 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 [2024-09-11 20:47:19,974 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-09-11 20:47:19,974 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-11 20:47:19,974 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-09-11 20:47:19,974 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-09-11 20:47:19,975 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-09-11 20:47:19,975 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-09-11 20:47:19,975 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_perror_fail [2024-09-11 20:47:19,975 INFO L130 BoogieDeclarations]: Found specification of procedure __assert [2024-09-11 20:47:19,975 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-09-11 20:47:19,975 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-09-11 20:47:19,975 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-11 20:47:19,975 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-09-11 20:47:19,975 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_bool [2024-09-11 20:47:19,975 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-09-11 20:47:19,976 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-09-11 20:47:19,976 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-09-11 20:47:19,976 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-11 20:47:19,976 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-09-11 20:47:19,976 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-09-11 20:47:19,976 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-09-11 20:47:20,034 INFO L242 CfgBuilder]: Building ICFG [2024-09-11 20:47:20,037 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-11 20:47:20,150 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-11 20:47:20,178 INFO L? ?]: Removed 7 outVars from TransFormulas that were not future-live. [2024-09-11 20:47:20,178 INFO L291 CfgBuilder]: Performing block encoding [2024-09-11 20:47:20,192 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-11 20:47:20,192 INFO L318 CfgBuilder]: Removed 1 assume(true) statements. [2024-09-11 20:47:20,192 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.09 08:47:20 BoogieIcfgContainer [2024-09-11 20:47:20,192 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-11 20:47:20,192 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-09-11 20:47:20,192 INFO L270 PluginConnector]: Initializing Referee... [2024-09-11 20:47:20,193 INFO L274 PluginConnector]: Referee initialized [2024-09-11 20:47:20,193 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 11.09 08:47:19" (1/4) ... [2024-09-11 20:47:20,194 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@5a1e5c09 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 11.09 08:47:20, skipping insertion in model container [2024-09-11 20:47:20,194 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 11.09 08:47:19" (2/4) ... [2024-09-11 20:47:20,194 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@5a1e5c09 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 11.09 08:47:20, skipping insertion in model container [2024-09-11 20:47:20,194 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 11.09 08:47:19" (3/4) ... [2024-09-11 20:47:20,194 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@5a1e5c09 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 11.09 08:47:20, skipping insertion in model container [2024-09-11 20:47:20,194 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.09 08:47:20" (4/4) ... [2024-09-11 20:47:20,195 INFO L79 RefereeObserver]: Analyzing ICFG mine2017-ex4.7.i [2024-09-11 20:47:20,199 INFO L112 InvariantChecker]: Found 1 loops. [2024-09-11 20:47:20,200 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L20-1 to ERROR_LOC mainErr2REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 4 edges. [2024-09-11 20:47:20,200 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 2 edges. [2024-09-11 20:47:20,200 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to LOOP_INVARIANT_ERROR_LOC mainErr1ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 3 edges. [2024-09-11 20:47:20,200 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L20-1 to LOOP_INVARIANT_ERROR_LOC mainErr1ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 11 edges. [2024-09-11 20:47:20,200 INFO L367 InvariantChecker]: Will check inductivity from ENTRY __VERIFIER_assertENTRY to ERROR_LOC __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 5 edges. [2024-09-11 20:47:20,200 INFO L367 InvariantChecker]: Will check inductivity from ENTRY __VERIFIER_assertENTRY to ERROR_LOC __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 3 edges. [2024-09-11 20:47:20,200 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L20-1 to ERROR_LOC mainErr3REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 5 edges. [2024-09-11 20:47:20,201 INFO L130 InvariantChecker]: Will check 1 loop-free subgraphs from procedure entry to loop head, 2 loop-free subgraphs from loop head to error location, 3 loop-free subgraphs from procedure entry to error location, 1 loop-free subgraphs from loop head to loop head [2024-09-11 20:47:20,230 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 4 edges [2024-09-11 20:47:20,230 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:47:20,231 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:47:20,231 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:47:20,232 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:47:20,233 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:47:20,243 INFO L101 BaseMinimizeStates]: Removed 6 edges and 3 locations by large block encoding [2024-09-11 20:47:20,243 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:47:20,243 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:47:20,243 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:47:20,244 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:47:20,244 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:47:20,254 INFO L514 InvariantChecker]: The annotation(s) from loop head L20-1 to error location mainErr2REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-11 20:47:20,261 INFO L314 BlockEncoder]: Initial Icfg 3 locations, 2 edges [2024-09-11 20:47:20,265 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:47:20,265 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:47:20,265 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:47:20,266 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:47:20,266 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:47:20,267 INFO L101 BaseMinimizeStates]: Removed 2 edges and 1 locations by large block encoding [2024-09-11 20:47:20,268 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:47:20,268 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:47:20,268 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:47:20,268 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:47:20,268 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:47:20,271 INFO L514 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-11 20:47:20,278 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-11 20:47:20,278 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:47:20,278 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:47:20,279 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:47:20,279 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:47:20,279 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:47:20,283 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-11 20:47:20,284 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:47:20,284 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:47:20,284 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:47:20,284 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:47:20,284 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:47:20,288 INFO L514 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to loop head mainErr1ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-11 20:47:20,293 INFO L314 BlockEncoder]: Initial Icfg 10 locations, 11 edges [2024-09-11 20:47:20,293 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:47:20,294 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:47:20,294 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:47:20,294 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:47:20,294 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:47:20,317 INFO L101 BaseMinimizeStates]: Removed 20 edges and 8 locations by large block encoding [2024-09-11 20:47:20,317 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:47:20,317 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:47:20,317 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:47:20,318 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:47:20,323 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:47:20,325 INFO L514 InvariantChecker]: The annotation(s) from loop head L20-1 to loop head mainErr1ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-11 20:47:20,330 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 5 edges [2024-09-11 20:47:20,330 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:47:20,330 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:47:20,330 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:47:20,330 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:47:20,330 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:47:20,332 INFO L101 BaseMinimizeStates]: Removed 8 edges and 3 locations by large block encoding [2024-09-11 20:47:20,332 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:47:20,332 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:47:20,332 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:47:20,332 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:47:20,333 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:47:20,334 INFO L514 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-11 20:47:20,338 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-11 20:47:20,338 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:47:20,338 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:47:20,338 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:47:20,338 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:47:20,338 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:47:20,339 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-11 20:47:20,339 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:47:20,339 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:47:20,339 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:47:20,339 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:47:20,340 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:47:20,340 INFO L514 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION is inductive. [2024-09-11 20:47:20,348 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 5 edges [2024-09-11 20:47:20,349 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:47:20,349 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:47:20,349 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:47:20,349 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:47:20,349 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:47:20,356 INFO L101 BaseMinimizeStates]: Removed 8 edges and 4 locations by large block encoding [2024-09-11 20:47:20,357 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:47:20,357 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:47:20,357 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:47:20,357 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:47:20,357 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:47:20,358 INFO L514 InvariantChecker]: The annotation(s) from loop head L20-1 to error location mainErr3REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-11 20:47:20,361 INFO L58 RefereeStarter]: Annotation is a valid proof of correctness [2024-09-11 20:47:20,362 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@5a1e5c09 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CFG 11.09 08:47:20, skipping insertion in model container [2024-09-11 20:47:20,362 INFO L131 PluginConnector]: ------------------------ END Referee---------------------------- [2024-09-11 20:47:20,363 INFO L158 Benchmark]: Toolchain (without parser) took 726.67ms. Allocated memory is still 157.3MB. Free memory was 120.7MB in the beginning and 102.1MB in the end (delta: 18.6MB). Peak memory consumption was 15.1MB. Max. memory is 16.1GB. [2024-09-11 20:47:20,364 INFO L158 Benchmark]: CDTParser took 0.16ms. Allocated memory is still 157.3MB. Free memory is still 126.7MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-11 20:47:20,364 INFO L158 Benchmark]: Witness Parser took 0.17ms. Allocated memory is still 157.3MB. Free memory is still 122.8MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-11 20:47:20,365 INFO L158 Benchmark]: CACSL2BoogieTranslator took 236.35ms. Allocated memory is still 157.3MB. Free memory was 120.3MB in the beginning and 106.8MB in the end (delta: 13.5MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-09-11 20:47:20,365 INFO L158 Benchmark]: Boogie Preprocessor took 41.74ms. Allocated memory is still 157.3MB. Free memory was 106.8MB in the beginning and 104.8MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-09-11 20:47:20,365 INFO L158 Benchmark]: RCFGBuilder took 275.26ms. Allocated memory is still 157.3MB. Free memory was 104.8MB in the beginning and 121.7MB in the end (delta: -16.8MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2024-09-11 20:47:20,366 INFO L158 Benchmark]: Referee took 169.75ms. Allocated memory is still 157.3MB. Free memory was 121.7MB in the beginning and 102.1MB in the end (delta: 19.6MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2024-09-11 20:47:20,368 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.referee: - AnnotationCheckResult: Annotation is a valid proof of correctness Annotation is a valid proof of correctness 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 13. Annotation is valid for all loop-free paths from loop head at line 17 to check that procedure precondition always holds at line 18. Annotation is valid for all loop-free paths from entry of procedure main to loop head at line 17. Annotation is valid for all loop-free paths from entry of procedure main to check that invariant of correctness witness holds at line 17. Annotation is valid for all loop-free paths from loop head at line 17 to loop head at line 17. Annotation is valid for all loop-free paths from loop head at line 17 to check that procedure precondition always holds at line 18. 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 0.16ms. Allocated memory is still 157.3MB. Free memory is still 126.7MB. There was no memory consumed. Max. memory is 16.1GB. * Witness Parser took 0.17ms. Allocated memory is still 157.3MB. Free memory is still 122.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 236.35ms. Allocated memory is still 157.3MB. Free memory was 120.3MB in the beginning and 106.8MB in the end (delta: 13.5MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Preprocessor took 41.74ms. Allocated memory is still 157.3MB. Free memory was 106.8MB in the beginning and 104.8MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 275.26ms. Allocated memory is still 157.3MB. Free memory was 104.8MB in the beginning and 121.7MB in the end (delta: -16.8MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Referee took 169.75ms. Allocated memory is still 157.3MB. Free memory was 121.7MB in the beginning and 102.1MB in the end (delta: 19.6MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-09-11 20:47:20,386 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/loop-lit/mine2017-ex4.7.i ../results/automizer-verification-files/SV-COMP24_unreach-call/mine2017-ex4.7.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-dev-a9b967e-m [2024-09-11 20:47:22,182 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-11 20:47:22,230 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Bitvector.epf [2024-09-11 20:47:22,233 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-11 20:47:22,233 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-11 20:47:22,272 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-11 20:47:22,272 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-11 20:47:22,273 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-11 20:47:22,273 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-11 20:47:22,273 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-11 20:47:22,273 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-11 20:47:22,274 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-11 20:47:22,274 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-11 20:47:22,274 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-11 20:47:22,275 INFO L153 SettingsManager]: * Use SBE=true [2024-09-11 20:47:22,275 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-11 20:47:22,275 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-11 20:47:22,276 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-11 20:47:22,276 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-11 20:47:22,276 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-11 20:47:22,276 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-11 20:47:22,277 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-11 20:47:22,277 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-11 20:47:22,277 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-09-11 20:47:22,278 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-09-11 20:47:22,278 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-11 20:47:22,278 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-09-11 20:47:22,278 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-11 20:47:22,279 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-11 20:47:22,279 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-11 20:47:22,279 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-11 20:47:22,279 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-11 20:47:22,280 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-11 20:47:22,280 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-11 20:47:22,281 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-11 20:47:22,281 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-11 20:47:22,281 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-11 20:47:22,281 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-11 20:47:22,281 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-09-11 20:47:22,282 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-09-11 20:47:22,282 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-11 20:47:22,285 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-11 20:47:22,285 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-11 20:47:22,285 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-11 20:47:22,285 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2024-09-11 20:47:22,285 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None [2024-09-11 20:47:22,519 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-11 20:47:22,538 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-11 20:47:22,540 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-11 20:47:22,541 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-11 20:47:22,542 INFO L274 PluginConnector]: CDTParser initialized [2024-09-11 20:47:22,543 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/loop-lit/mine2017-ex4.7.i [2024-09-11 20:47:23,820 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-11 20:47:23,964 INFO L384 CDTParser]: Found 1 translation units. [2024-09-11 20:47:23,964 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-lit/mine2017-ex4.7.i [2024-09-11 20:47:23,972 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/7b3a24a74/acd55560bbdb4b03bb6d9172a88757c2/FLAG24721e37d [2024-09-11 20:47:23,984 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/7b3a24a74/acd55560bbdb4b03bb6d9172a88757c2 [2024-09-11 20:47:23,987 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-11 20:47:23,988 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-11 20:47:23,988 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/automizer-verification-files/SV-COMP24_unreach-call/mine2017-ex4.7.yml/witness-2.1.yml [2024-09-11 20:47:24,031 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-11 20:47:24,032 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-09-11 20:47:24,035 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-11 20:47:24,035 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-11 20:47:24,039 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-11 20:47:24,039 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.09 08:47:23" (1/2) ... [2024-09-11 20:47:24,041 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@a22c55e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:47:24, skipping insertion in model container [2024-09-11 20:47:24,044 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.09 08:47:23" (1/2) ... [2024-09-11 20:47:24,045 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@78890200 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:47:24, skipping insertion in model container [2024-09-11 20:47:24,046 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 11.09 08:47:24" (2/2) ... [2024-09-11 20:47:24,046 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@a22c55e and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 11.09 08:47:24, skipping insertion in model container [2024-09-11 20:47:24,046 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 11.09 08:47:24" (2/2) ... [2024-09-11 20:47:24,055 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-11 20:47:24,056 INFO L1541 ArrayList]: Loop invariant at [L17-L25] ((0 <= x) && (x <= 40)) [2024-09-11 20:47:24,056 INFO L1541 ArrayList]: Location invariant before [L17-L25] (0 < ((long long) x + 1)) [2024-09-11 20:47:24,056 INFO L1541 ArrayList]: Function contract at [L13]: requires (\old(cond) != 0), ensures (\old(cond) != 0) [2024-09-11 20:47:24,070 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-11 20:47:24,206 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-lit/mine2017-ex4.7.i[812,825] [2024-09-11 20:47:24,222 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-11 20:47:24,237 INFO L200 MainTranslator]: Completed pre-run Start Parsing Global Start Parsing Global [2024-09-11 20:47:24,269 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-lit/mine2017-ex4.7.i[812,825] Start Parsing Local Start Parsing Local [2024-09-11 20:47:24,276 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-11 20:47:24,290 INFO L204 MainTranslator]: Completed translation [2024-09-11 20:47:24,291 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 11.09 08:47:24 WrapperNode [2024-09-11 20:47:24,291 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-11 20:47:24,292 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-11 20:47:24,292 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-11 20:47:24,293 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-11 20:47:24,301 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 11.09 08:47:24" (1/1) ... [2024-09-11 20:47:24,301 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 11.09 08:47:24" (1/1) ... [2024-09-11 20:47:24,307 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 11.09 08:47:24" (1/1) ... [2024-09-11 20:47:24,316 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 [2024-09-11 20:47:24,316 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 11.09 08:47:24" (1/1) ... [2024-09-11 20:47:24,316 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 11.09 08:47:24" (1/1) ... [2024-09-11 20:47:24,320 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 11.09 08:47:24" (1/1) ... [2024-09-11 20:47:24,323 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 11.09 08:47:24" (1/1) ... [2024-09-11 20:47:24,324 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 11.09 08:47:24" (1/1) ... [2024-09-11 20:47:24,325 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 11.09 08:47:24" (1/1) ... [2024-09-11 20:47:24,332 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-11 20:47:24,333 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-11 20:47:24,333 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-11 20:47:24,333 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-11 20:47:24,333 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 11.09 08:47:24" (1/1) ... [2024-09-11 20:47:24,338 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-11 20:47:24,344 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-09-11 20:47:24,357 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) [2024-09-11 20:47:24,359 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 [2024-09-11 20:47:24,388 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-09-11 20:47:24,388 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-11 20:47:24,388 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-09-11 20:47:24,390 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-09-11 20:47:24,390 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-09-11 20:47:24,390 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-09-11 20:47:24,390 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_perror_fail [2024-09-11 20:47:24,390 INFO L130 BoogieDeclarations]: Found specification of procedure __assert [2024-09-11 20:47:24,390 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-09-11 20:47:24,390 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-09-11 20:47:24,390 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-11 20:47:24,390 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-09-11 20:47:24,390 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_bool [2024-09-11 20:47:24,391 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-09-11 20:47:24,391 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-09-11 20:47:24,391 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-09-11 20:47:24,391 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-11 20:47:24,391 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2024-09-11 20:47:24,391 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2024-09-11 20:47:24,391 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-09-11 20:47:24,454 INFO L242 CfgBuilder]: Building ICFG [2024-09-11 20:47:24,456 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-11 20:47:24,570 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-11 20:47:24,601 INFO L? ?]: Removed 7 outVars from TransFormulas that were not future-live. [2024-09-11 20:47:24,601 INFO L291 CfgBuilder]: Performing block encoding [2024-09-11 20:47:24,627 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-11 20:47:24,628 INFO L318 CfgBuilder]: Removed 1 assume(true) statements. [2024-09-11 20:47:24,628 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.09 08:47:24 BoogieIcfgContainer [2024-09-11 20:47:24,629 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-11 20:47:24,629 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-09-11 20:47:24,630 INFO L270 PluginConnector]: Initializing Referee... [2024-09-11 20:47:24,630 INFO L274 PluginConnector]: Referee initialized [2024-09-11 20:47:24,630 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 11.09 08:47:23" (1/4) ... [2024-09-11 20:47:24,631 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@78163a7a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 11.09 08:47:24, skipping insertion in model container [2024-09-11 20:47:24,631 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 11.09 08:47:24" (2/4) ... [2024-09-11 20:47:24,631 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@78163a7a and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 11.09 08:47:24, skipping insertion in model container [2024-09-11 20:47:24,632 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 11.09 08:47:24" (3/4) ... [2024-09-11 20:47:24,632 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@78163a7a and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 11.09 08:47:24, skipping insertion in model container [2024-09-11 20:47:24,633 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.09 08:47:24" (4/4) ... [2024-09-11 20:47:24,634 INFO L79 RefereeObserver]: Analyzing ICFG mine2017-ex4.7.i [2024-09-11 20:47:24,637 INFO L112 InvariantChecker]: Found 1 loops. [2024-09-11 20:47:24,637 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L20-1 to ERROR_LOC mainErr2REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 4 edges. [2024-09-11 20:47:24,638 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 2 edges. [2024-09-11 20:47:24,638 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to LOOP_INVARIANT_ERROR_LOC mainErr1ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 3 edges. [2024-09-11 20:47:24,638 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L20-1 to LOOP_INVARIANT_ERROR_LOC mainErr1ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 11 edges. [2024-09-11 20:47:24,638 INFO L367 InvariantChecker]: Will check inductivity from ENTRY __VERIFIER_assertENTRY to ERROR_LOC __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 5 edges. [2024-09-11 20:47:24,638 INFO L367 InvariantChecker]: Will check inductivity from ENTRY __VERIFIER_assertENTRY to ERROR_LOC __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 3 edges. [2024-09-11 20:47:24,638 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L20-1 to ERROR_LOC mainErr3REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 5 edges. [2024-09-11 20:47:24,638 INFO L130 InvariantChecker]: Will check 3 loop-free subgraphs from procedure entry to error location, 2 loop-free subgraphs from loop head to error location, 1 loop-free subgraphs from loop head to loop head, 1 loop-free subgraphs from procedure entry to loop head [2024-09-11 20:47:24,673 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 4 edges [2024-09-11 20:47:24,674 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:47:24,675 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:47:24,675 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:47:24,676 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:47:24,677 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:47:24,690 INFO L101 BaseMinimizeStates]: Removed 6 edges and 3 locations by large block encoding [2024-09-11 20:47:24,691 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:47:24,691 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:47:24,691 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:47:24,691 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:47:24,692 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:47:24,701 INFO L514 InvariantChecker]: The annotation(s) from loop head L20-1 to error location mainErr2REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-11 20:47:24,708 INFO L314 BlockEncoder]: Initial Icfg 3 locations, 2 edges [2024-09-11 20:47:24,708 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:47:24,708 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:47:24,708 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:47:24,709 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:47:24,709 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:47:24,709 INFO L101 BaseMinimizeStates]: Removed 2 edges and 1 locations by large block encoding [2024-09-11 20:47:24,710 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:47:24,710 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:47:24,710 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:47:24,710 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:47:24,710 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:47:24,714 INFO L514 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-11 20:47:24,722 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-11 20:47:24,740 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:47:24,740 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:47:24,740 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:47:24,740 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:47:24,740 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:47:24,743 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-11 20:47:24,743 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:47:24,743 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:47:24,744 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:47:24,744 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:47:24,745 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:47:24,748 INFO L514 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to loop head mainErr1ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-11 20:47:24,762 INFO L314 BlockEncoder]: Initial Icfg 10 locations, 11 edges [2024-09-11 20:47:24,764 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:47:24,765 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:47:24,765 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:47:24,765 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:47:24,765 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:47:24,792 INFO L101 BaseMinimizeStates]: Removed 20 edges and 8 locations by large block encoding [2024-09-11 20:47:24,792 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:47:24,792 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:47:24,792 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:47:24,792 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:47:24,801 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:47:24,805 INFO L514 InvariantChecker]: The annotation(s) from loop head L20-1 to loop head mainErr1ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-11 20:47:24,812 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 5 edges [2024-09-11 20:47:24,814 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:47:24,815 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:47:24,815 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:47:24,815 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:47:24,815 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:47:24,817 INFO L101 BaseMinimizeStates]: Removed 8 edges and 3 locations by large block encoding [2024-09-11 20:47:24,818 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:47:24,818 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:47:24,818 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:47:24,819 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:47:24,819 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:47:24,821 INFO L514 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-11 20:47:24,825 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-11 20:47:24,827 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:47:24,827 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:47:24,827 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:47:24,827 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:47:24,828 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:47:24,829 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-11 20:47:24,829 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:47:24,829 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:47:24,829 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:47:24,830 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:47:24,830 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:47:24,831 INFO L514 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION is inductive. [2024-09-11 20:47:24,835 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 5 edges [2024-09-11 20:47:24,839 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:47:24,839 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:47:24,839 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:47:24,840 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:47:24,840 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:47:24,847 INFO L101 BaseMinimizeStates]: Removed 8 edges and 4 locations by large block encoding [2024-09-11 20:47:24,847 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:47:24,847 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:47:24,847 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:47:24,847 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:47:24,847 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:47:24,850 INFO L514 InvariantChecker]: The annotation(s) from loop head L20-1 to error location mainErr3REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-11 20:47:24,856 INFO L58 RefereeStarter]: Annotation is a valid proof of correctness [2024-09-11 20:47:24,857 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@78163a7a and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CFG 11.09 08:47:24, skipping insertion in model container [2024-09-11 20:47:24,857 INFO L131 PluginConnector]: ------------------------ END Referee---------------------------- [2024-09-11 20:47:24,858 INFO L158 Benchmark]: Toolchain (without parser) took 825.61ms. Allocated memory is still 79.7MB. Free memory was 36.4MB in the beginning and 42.0MB in the end (delta: -5.6MB). Peak memory consumption was 11.9MB. Max. memory is 16.1GB. [2024-09-11 20:47:24,858 INFO L158 Benchmark]: CDTParser took 0.64ms. Allocated memory is still 50.3MB. Free memory is still 23.5MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-11 20:47:24,858 INFO L158 Benchmark]: Witness Parser took 0.12ms. Allocated memory is still 79.7MB. Free memory is still 38.5MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-11 20:47:24,859 INFO L158 Benchmark]: CACSL2BoogieTranslator took 256.84ms. Allocated memory is still 79.7MB. Free memory was 36.2MB in the beginning and 52.6MB in the end (delta: -16.4MB). Peak memory consumption was 9.8MB. Max. memory is 16.1GB. [2024-09-11 20:47:24,859 INFO L158 Benchmark]: Boogie Preprocessor took 40.37ms. Allocated memory is still 79.7MB. Free memory was 52.6MB in the beginning and 50.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-09-11 20:47:24,860 INFO L158 Benchmark]: RCFGBuilder took 295.87ms. Allocated memory is still 79.7MB. Free memory was 50.5MB in the beginning and 36.3MB in the end (delta: 14.2MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-09-11 20:47:24,860 INFO L158 Benchmark]: Referee took 227.32ms. Allocated memory is still 79.7MB. Free memory was 36.3MB in the beginning and 42.0MB in the end (delta: -5.7MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-09-11 20:47:24,862 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.referee: - AnnotationCheckResult: Annotation is a valid proof of correctness Annotation is a valid proof of correctness Annotation is valid for all loop-free paths from loop head at line 17 to loop head at line 17. Annotation is valid for all loop-free paths from entry of procedure main to check that invariant of correctness witness holds at line 17. Annotation is valid for all loop-free paths from entry of procedure main to loop head at line 17. 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 17 to check that procedure precondition always holds at line 18. Annotation is valid for all loop-free paths from loop head at line 17 to check that procedure precondition always holds at line 18. 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 13. * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.64ms. Allocated memory is still 50.3MB. Free memory is still 23.5MB. There was no memory consumed. Max. memory is 16.1GB. * Witness Parser took 0.12ms. Allocated memory is still 79.7MB. Free memory is still 38.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 256.84ms. Allocated memory is still 79.7MB. Free memory was 36.2MB in the beginning and 52.6MB in the end (delta: -16.4MB). Peak memory consumption was 9.8MB. Max. memory is 16.1GB. * Boogie Preprocessor took 40.37ms. Allocated memory is still 79.7MB. Free memory was 52.6MB in the beginning and 50.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 295.87ms. Allocated memory is still 79.7MB. Free memory was 50.5MB in the beginning and 36.3MB in the end (delta: 14.2MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Referee took 227.32ms. Allocated memory is still 79.7MB. Free memory was 36.3MB in the beginning and 42.0MB in the end (delta: -5.7MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-09-11 20:47:24,887 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 Result: UNKNOWN