./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/loop-invariants/bin-suffix-5.c --full-output --witness-type correctness_witness --validate ../results/automizer-verification-files/SV-COMP24_unreach-call/bin-suffix-5.yml/witness-2.1.yml --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 5189fb62 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-invariants/bin-suffix-5.c ../results/automizer-verification-files/SV-COMP24_unreach-call/bin-suffix-5.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-5189fb6-m [2024-09-13 05:04:21,805 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-13 05:04:21,856 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Default.epf [2024-09-13 05:04:21,860 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-13 05:04:21,860 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-13 05:04:21,880 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-13 05:04:21,881 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-13 05:04:21,882 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-13 05:04:21,882 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-13 05:04:21,885 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-13 05:04:21,885 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-13 05:04:21,885 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-13 05:04:21,885 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-13 05:04:21,886 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-13 05:04:21,886 INFO L153 SettingsManager]: * Use SBE=true [2024-09-13 05:04:21,886 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-13 05:04:21,886 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-13 05:04:21,886 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-13 05:04:21,887 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-09-13 05:04:21,888 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-13 05:04:21,888 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-13 05:04:21,888 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-13 05:04:21,888 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-13 05:04:21,888 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-13 05:04:21,889 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-13 05:04:21,889 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-13 05:04:21,889 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-13 05:04:21,889 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-13 05:04:21,889 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-13 05:04:21,889 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-13 05:04:21,890 INFO L153 SettingsManager]: * Future-live optimization=false [2024-09-13 05:04:21,890 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-13 05:04:21,890 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-13 05:04:21,890 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-13 05:04:21,890 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-13 05:04:21,890 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-13 05:04:21,891 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-13 05:04:21,891 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-09-13 05:04:21,891 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-09-13 05:04:21,891 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-13 05:04:21,891 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-13 05:04:21,891 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-13 05:04:21,892 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-13 05:04:21,892 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None [2024-09-13 05:04:22,079 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-13 05:04:22,098 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-13 05:04:22,100 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-13 05:04:22,101 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-13 05:04:22,101 INFO L274 PluginConnector]: CDTParser initialized [2024-09-13 05:04:22,102 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/loop-invariants/bin-suffix-5.c [2024-09-13 05:04:23,299 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-13 05:04:23,425 INFO L384 CDTParser]: Found 1 translation units. [2024-09-13 05:04:23,425 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-invariants/bin-suffix-5.c [2024-09-13 05:04:23,430 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/f842f5875/f0ca6a5ed5b04b7991e76e35413dc103/FLAG30c9d2dd9 [2024-09-13 05:04:23,847 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/f842f5875/f0ca6a5ed5b04b7991e76e35413dc103 [2024-09-13 05:04:23,849 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-13 05:04:23,850 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-13 05:04:23,850 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/automizer-verification-files/SV-COMP24_unreach-call/bin-suffix-5.yml/witness-2.1.yml [2024-09-13 05:04:23,889 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-13 05:04:23,890 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-09-13 05:04:23,890 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-13 05:04:23,891 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-13 05:04:23,895 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-13 05:04:23,896 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.09 05:04:23" (1/2) ... [2024-09-13 05:04:23,896 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@18af28b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 05:04:23, skipping insertion in model container [2024-09-13 05:04:23,897 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.09 05:04:23" (1/2) ... [2024-09-13 05:04:23,898 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@1b26aac7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 05:04:23, skipping insertion in model container [2024-09-13 05:04:23,900 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 13.09 05:04:23" (2/2) ... [2024-09-13 05:04:23,900 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@18af28b and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 13.09 05:04:23, skipping insertion in model container [2024-09-13 05:04:23,900 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 13.09 05:04:23" (2/2) ... [2024-09-13 05:04:23,904 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-13 05:04:23,905 INFO L1541 ArrayList]: Loop invariant at [L20-L22] (5 == (5 & x)) [2024-09-13 05:04:23,906 INFO L1541 ArrayList]: Function contract at [L12]: requires (0 != \old(cond)), ensures (0 != \old(cond)) [2024-09-13 05:04:23,918 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-13 05:04:24,046 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-invariants/bin-suffix-5.c[588,601] [2024-09-13 05:04:24,066 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-13 05:04:24,072 INFO L200 MainTranslator]: Completed pre-run Start Parsing Global Start Parsing Global [2024-09-13 05:04:24,095 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-invariants/bin-suffix-5.c[588,601] Start Parsing Local [2024-09-13 05:04:24,097 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-13 05:04:24,107 INFO L204 MainTranslator]: Completed translation [2024-09-13 05:04:24,107 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 13.09 05:04:24 WrapperNode [2024-09-13 05:04:24,108 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-13 05:04:24,108 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-13 05:04:24,109 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-13 05:04:24,109 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-13 05:04:24,117 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 13.09 05:04:24" (1/1) ... [2024-09-13 05:04:24,117 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 13.09 05:04:24" (1/1) ... [2024-09-13 05:04:24,121 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 13.09 05:04:24" (1/1) ... [2024-09-13 05:04:24,127 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 [2024-09-13 05:04:24,127 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 13.09 05:04:24" (1/1) ... [2024-09-13 05:04:24,128 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 13.09 05:04:24" (1/1) ... [2024-09-13 05:04:24,130 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 13.09 05:04:24" (1/1) ... [2024-09-13 05:04:24,132 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 13.09 05:04:24" (1/1) ... [2024-09-13 05:04:24,133 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 13.09 05:04:24" (1/1) ... [2024-09-13 05:04:24,134 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 13.09 05:04:24" (1/1) ... [2024-09-13 05:04:24,135 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-13 05:04:24,135 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-13 05:04:24,135 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-13 05:04:24,135 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-13 05:04:24,136 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 13.09 05:04:24" (1/1) ... [2024-09-13 05:04:24,141 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-13 05:04:24,147 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-09-13 05:04:24,161 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) [2024-09-13 05:04:24,163 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 [2024-09-13 05:04:24,196 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-09-13 05:04:24,196 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-13 05:04:24,197 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-09-13 05:04:24,197 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-09-13 05:04:24,198 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-09-13 05:04:24,198 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-09-13 05:04:24,198 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-09-13 05:04:24,198 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-09-13 05:04:24,198 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-13 05:04:24,198 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2024-09-13 05:04:24,198 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-09-13 05:04:24,198 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-09-13 05:04:24,198 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-09-13 05:04:24,199 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-09-13 05:04:24,199 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-13 05:04:24,199 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-09-13 05:04:24,199 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-09-13 05:04:24,199 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-09-13 05:04:24,251 INFO L242 CfgBuilder]: Building ICFG [2024-09-13 05:04:24,254 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-13 05:04:24,362 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-13 05:04:24,372 INFO L291 CfgBuilder]: Performing block encoding [2024-09-13 05:04:24,395 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-13 05:04:24,395 INFO L318 CfgBuilder]: Removed 1 assume(true) statements. [2024-09-13 05:04:24,396 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.09 05:04:24 BoogieIcfgContainer [2024-09-13 05:04:24,397 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-13 05:04:24,397 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-09-13 05:04:24,397 INFO L270 PluginConnector]: Initializing Referee... [2024-09-13 05:04:24,398 INFO L274 PluginConnector]: Referee initialized [2024-09-13 05:04:24,398 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 13.09 05:04:23" (1/4) ... [2024-09-13 05:04:24,399 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@ece8c5f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 13.09 05:04:24, skipping insertion in model container [2024-09-13 05:04:24,399 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 13.09 05:04:23" (2/4) ... [2024-09-13 05:04:24,399 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@ece8c5f and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 13.09 05:04:24, skipping insertion in model container [2024-09-13 05:04:24,400 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 13.09 05:04:24" (3/4) ... [2024-09-13 05:04:24,400 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@ece8c5f and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 13.09 05:04:24, skipping insertion in model container [2024-09-13 05:04:24,401 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.09 05:04:24" (4/4) ... [2024-09-13 05:04:24,402 INFO L79 RefereeObserver]: Analyzing ICFG bin-suffix-5.c [2024-09-13 05:04:24,405 INFO L112 InvariantChecker]: Found 1 loops. [2024-09-13 05:04:24,406 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L20-15 to ERROR_LOC mainErr2REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 9 edges. [2024-09-13 05:04:24,407 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 7 edges. [2024-09-13 05:04:24,408 INFO L367 InvariantChecker]: Will check inductivity from ENTRY __VERIFIER_assertENTRY to ERROR_LOC __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 5 edges. [2024-09-13 05:04:24,408 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L20-15 to ERROR_LOC mainErr1ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 8 edges. [2024-09-13 05:04:24,408 INFO L367 InvariantChecker]: Will check inductivity from ENTRY __VERIFIER_assertENTRY to ERROR_LOC __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 3 edges. [2024-09-13 05:04:24,408 INFO L130 InvariantChecker]: Will check 2 loop-free subgraphs from loop head to error location, 3 loop-free subgraphs from procedure entry to error location [2024-09-13 05:04:24,449 INFO L314 BlockEncoder]: Initial Icfg 7 locations, 9 edges [2024-09-13 05:04:24,449 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 05:04:24,450 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 05:04:24,451 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 05:04:24,451 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 05:04:24,453 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:04:24,484 INFO L101 BaseMinimizeStates]: Removed 18 edges and 5 locations by large block encoding [2024-09-13 05:04:24,485 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:04:24,485 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 05:04:24,486 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 05:04:24,486 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 05:04:24,494 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 05:04:24,527 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 7 edges [2024-09-13 05:04:24,528 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 05:04:24,528 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 05:04:24,528 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 05:04:24,528 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 05:04:24,528 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:04:24,536 INFO L101 BaseMinimizeStates]: Removed 12 edges and 4 locations by large block encoding [2024-09-13 05:04:24,536 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:04:24,536 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 05:04:24,536 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 05:04:24,537 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 05:04:24,543 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 05:04:24,548 INFO L514 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-13 05:04:24,553 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 5 edges [2024-09-13 05:04:24,554 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 05:04:24,554 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 05:04:24,554 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 05:04:24,554 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 05:04:24,554 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:04:24,556 INFO L101 BaseMinimizeStates]: Removed 8 edges and 3 locations by large block encoding [2024-09-13 05:04:24,556 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:04:24,556 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 05:04:24,556 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 05:04:24,556 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 05:04:24,557 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 05:04:24,558 INFO L514 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-13 05:04:24,565 INFO L314 BlockEncoder]: Initial Icfg 7 locations, 8 edges [2024-09-13 05:04:24,565 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 05:04:24,565 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 05:04:24,565 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 05:04:24,567 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 05:04:24,567 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:04:24,578 INFO L101 BaseMinimizeStates]: Removed 14 edges and 5 locations by large block encoding [2024-09-13 05:04:24,579 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:04:24,579 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 05:04:24,579 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 05:04:24,579 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 05:04:24,582 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 05:04:24,596 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-13 05:04:24,596 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 05:04:24,596 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 05:04:24,596 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 05:04:24,598 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 05:04:24,598 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:04:24,598 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-13 05:04:24,599 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:04:24,599 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 05:04:24,599 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 05:04:24,599 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 05:04:24,600 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 05:04:24,601 INFO L514 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION is inductive. [2024-09-13 05:04:24,608 WARN L945 BoogieBacktranslator]: Unfinished Backtranslation: Expression #t~bitwise5 has an ACSLNode, but we do not support it yet [2024-09-13 05:04:24,609 INFO L58 RefereeStarter]: Annotation is not a valid proof of correctness. [2024-09-13 05:04:24,609 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@ece8c5f and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CFG 13.09 05:04:24, skipping insertion in model container [2024-09-13 05:04:24,610 INFO L131 PluginConnector]: ------------------------ END Referee---------------------------- [2024-09-13 05:04:24,611 INFO L158 Benchmark]: Toolchain (without parser) took 720.67ms. Allocated memory is still 186.6MB. Free memory was 109.5MB in the beginning and 119.0MB in the end (delta: -9.5MB). There was no memory consumed. Max. memory is 16.1GB. [2024-09-13 05:04:24,611 INFO L158 Benchmark]: CDTParser took 0.10ms. Allocated memory is still 109.1MB. Free memory is still 64.5MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-13 05:04:24,612 INFO L158 Benchmark]: Witness Parser took 0.16ms. Allocated memory is still 186.6MB. Free memory is still 111.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-13 05:04:24,613 INFO L158 Benchmark]: CACSL2BoogieTranslator took 217.37ms. Allocated memory is still 186.6MB. Free memory was 109.3MB in the beginning and 154.7MB in the end (delta: -45.3MB). Peak memory consumption was 12.5MB. Max. memory is 16.1GB. [2024-09-13 05:04:24,614 INFO L158 Benchmark]: Boogie Preprocessor took 26.27ms. Allocated memory is still 186.6MB. Free memory was 154.7MB in the beginning and 152.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-09-13 05:04:24,614 INFO L158 Benchmark]: RCFGBuilder took 261.51ms. Allocated memory is still 186.6MB. Free memory was 152.6MB in the beginning and 138.9MB in the end (delta: 13.6MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-09-13 05:04:24,615 INFO L158 Benchmark]: Referee took 212.48ms. Allocated memory is still 186.6MB. Free memory was 138.9MB in the beginning and 119.0MB in the end (delta: 19.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2024-09-13 05:04:24,617 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.referee: - AnnotationCheckResult: Annotation is not a valid proof of correctness. [2024-09-13 05:04:24,619 WARN L945 BoogieBacktranslator]: Unfinished Backtranslation: Expression #t~bitwise5 has an ACSLNode, but we do not support it yet [2024-09-13 05:04:24,620 WARN L945 BoogieBacktranslator]: Unfinished Backtranslation: Expression #t~bitwise5 has an ACSLNode, but we do not support it yet Annotation is not a valid proof of correctness. Annotation is not valid for all loop-free paths from loop head at line 20 to check that invariant of correctness witness holds at line 20. One counterexample starts in x=-7 and ends in x=1. Annotation is not valid for all loop-free paths from loop head at line 20 to check that procedure precondition always holds at line 23. One counterexample starts in x=1 and ends in x=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 14. 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 entry of procedure main to check that invariant of correctness witness holds at line 20. * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.10ms. Allocated memory is still 109.1MB. Free memory is still 64.5MB. There was no memory consumed. Max. memory is 16.1GB. * Witness Parser took 0.16ms. Allocated memory is still 186.6MB. Free memory is still 111.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 217.37ms. Allocated memory is still 186.6MB. Free memory was 109.3MB in the beginning and 154.7MB in the end (delta: -45.3MB). Peak memory consumption was 12.5MB. Max. memory is 16.1GB. * Boogie Preprocessor took 26.27ms. Allocated memory is still 186.6MB. Free memory was 154.7MB in the beginning and 152.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 261.51ms. Allocated memory is still 186.6MB. Free memory was 152.6MB in the beginning and 138.9MB in the end (delta: 13.6MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Referee took 212.48ms. Allocated memory is still 186.6MB. Free memory was 138.9MB in the beginning and 119.0MB in the end (delta: 19.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression #t~bitwise5 has an ACSLNode, but we do not support it yet - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression #t~bitwise5 has an ACSLNode, but we do not support it yet - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression #t~bitwise5 has an ACSLNode, but we do not support it yet RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-09-13 05:04:24,639 INFO L552 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/referee/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE