./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/loop-lit/mine2017-ex4.10.i --full-output --witness-type correctness_witness --validate ../results/automizer-verification-files/SV-COMP24_unreach-call/mine2017-ex4.10.yml/witness-2.1.yml --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 04d6fb36 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-ex4.10.i ../results/automizer-verification-files/SV-COMP24_unreach-call/mine2017-ex4.10.yml/witness-2.1.yml -s /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Default.epf --cacsl2boogietranslator.entry.function main --traceabstraction.positions.where.we.compute.the.hoare.annotation None --- Real Ultimate output --- This is Ultimate 0.2.4-tmp.dk.referee-eval-04d6fb3-m [2024-09-15 20:05:48,701 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-15 20:05:48,787 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Default.epf [2024-09-15 20:05:48,791 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-15 20:05:48,791 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-15 20:05:48,817 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-15 20:05:48,819 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-15 20:05:48,819 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-15 20:05:48,820 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-15 20:05:48,820 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-15 20:05:48,821 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-15 20:05:48,821 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-15 20:05:48,821 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-15 20:05:48,822 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-15 20:05:48,823 INFO L153 SettingsManager]: * Use SBE=true [2024-09-15 20:05:48,824 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-15 20:05:48,825 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-15 20:05:48,827 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-15 20:05:48,827 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-09-15 20:05:48,827 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-15 20:05:48,828 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-15 20:05:48,828 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-15 20:05:48,829 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-15 20:05:48,830 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-15 20:05:48,830 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-15 20:05:48,830 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-15 20:05:48,830 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-15 20:05:48,831 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-15 20:05:48,831 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-15 20:05:48,831 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-15 20:05:48,831 INFO L153 SettingsManager]: * Future-live optimization=false [2024-09-15 20:05:48,832 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-15 20:05:48,832 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-15 20:05:48,833 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-15 20:05:48,833 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-15 20:05:48,833 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-15 20:05:48,834 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-15 20:05:48,834 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-09-15 20:05:48,834 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-09-15 20:05:48,835 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-15 20:05:48,835 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-15 20:05:48,836 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-15 20:05:48,836 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-15 20:05:48,836 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None [2024-09-15 20:05:49,085 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-15 20:05:49,107 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-15 20:05:49,110 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-15 20:05:49,111 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-15 20:05:49,112 INFO L274 PluginConnector]: CDTParser initialized [2024-09-15 20:05:49,113 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/loop-lit/mine2017-ex4.10.i [2024-09-15 20:05:50,492 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-15 20:05:50,689 INFO L384 CDTParser]: Found 1 translation units. [2024-09-15 20:05:50,690 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-lit/mine2017-ex4.10.i [2024-09-15 20:05:50,697 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/517fc9c90/255238441db7480c9eb346f65b71cfbd/FLAGece414083 [2024-09-15 20:05:50,721 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/517fc9c90/255238441db7480c9eb346f65b71cfbd [2024-09-15 20:05:50,724 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-15 20:05:50,725 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-15 20:05:50,726 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/automizer-verification-files/SV-COMP24_unreach-call/mine2017-ex4.10.yml/witness-2.1.yml [2024-09-15 20:05:50,781 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-15 20:05:50,782 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-09-15 20:05:50,785 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-15 20:05:50,785 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-15 20:05:50,790 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-15 20:05:50,791 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.09 08:05:50" (1/2) ... [2024-09-15 20:05:50,792 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@28dae21d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 08:05:50, skipping insertion in model container [2024-09-15 20:05:50,792 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.09 08:05:50" (1/2) ... [2024-09-15 20:05:50,793 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@12fb2243 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 08:05:50, skipping insertion in model container [2024-09-15 20:05:50,794 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 15.09 08:05:50" (2/2) ... [2024-09-15 20:05:50,794 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@28dae21d and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 15.09 08:05:50, skipping insertion in model container [2024-09-15 20:05:50,794 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 15.09 08:05:50" (2/2) ... [2024-09-15 20:05:50,803 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-15 20:05:50,803 INFO L1541 ArrayList]: Loop invariant at [L16-L20] ((1 <= v) && (v <= 52)) [2024-09-15 20:05:50,804 INFO L1541 ArrayList]: Function contract at [L13]: requires (\old(cond) != 0), ensures (\old(cond) != 0) [2024-09-15 20:05:50,824 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-15 20:05:50,986 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-lit/mine2017-ex4.10.i[813,826] [2024-09-15 20:05:50,998 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-15 20:05:51,007 INFO L200 MainTranslator]: Completed pre-run Start Parsing Global Start Parsing Global [2024-09-15 20:05:51,054 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-lit/mine2017-ex4.10.i[813,826] Start Parsing Local [2024-09-15 20:05:51,066 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-15 20:05:51,084 INFO L204 MainTranslator]: Completed translation [2024-09-15 20:05:51,084 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 15.09 08:05:51 WrapperNode [2024-09-15 20:05:51,085 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-15 20:05:51,086 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-15 20:05:51,086 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-15 20:05:51,086 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-15 20:05:51,095 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 15.09 08:05:51" (1/1) ... [2024-09-15 20:05:51,095 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 15.09 08:05:51" (1/1) ... [2024-09-15 20:05:51,100 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 15.09 08:05:51" (1/1) ... [2024-09-15 20:05:51,110 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 [2024-09-15 20:05:51,110 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 15.09 08:05:51" (1/1) ... [2024-09-15 20:05:51,111 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 15.09 08:05:51" (1/1) ... [2024-09-15 20:05:51,118 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 15.09 08:05:51" (1/1) ... [2024-09-15 20:05:51,123 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 15.09 08:05:51" (1/1) ... [2024-09-15 20:05:51,124 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 15.09 08:05:51" (1/1) ... [2024-09-15 20:05:51,125 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 15.09 08:05:51" (1/1) ... [2024-09-15 20:05:51,126 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-15 20:05:51,127 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-15 20:05:51,127 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-15 20:05:51,127 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-15 20:05:51,128 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 15.09 08:05:51" (1/1) ... [2024-09-15 20:05:51,133 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-15 20:05:51,143 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-09-15 20:05:51,161 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) [2024-09-15 20:05:51,165 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 [2024-09-15 20:05:51,210 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-09-15 20:05:51,210 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-15 20:05:51,210 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-09-15 20:05:51,210 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-09-15 20:05:51,210 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-09-15 20:05:51,210 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-09-15 20:05:51,211 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_perror_fail [2024-09-15 20:05:51,211 INFO L130 BoogieDeclarations]: Found specification of procedure __assert [2024-09-15 20:05:51,211 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-09-15 20:05:51,211 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-09-15 20:05:51,211 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-15 20:05:51,212 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-09-15 20:05:51,212 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-09-15 20:05:51,212 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-09-15 20:05:51,212 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-09-15 20:05:51,212 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-15 20:05:51,212 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-09-15 20:05:51,213 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-09-15 20:05:51,213 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-09-15 20:05:51,284 INFO L242 CfgBuilder]: Building ICFG [2024-09-15 20:05:51,286 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-15 20:05:51,375 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-15 20:05:51,389 INFO L291 CfgBuilder]: Performing block encoding [2024-09-15 20:05:51,415 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-15 20:05:51,415 INFO L318 CfgBuilder]: Removed 1 assume(true) statements. [2024-09-15 20:05:51,416 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.09 08:05:51 BoogieIcfgContainer [2024-09-15 20:05:51,416 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-15 20:05:51,417 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-09-15 20:05:51,417 INFO L270 PluginConnector]: Initializing Referee... [2024-09-15 20:05:51,418 INFO L274 PluginConnector]: Referee initialized [2024-09-15 20:05:51,418 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 15.09 08:05:50" (1/4) ... [2024-09-15 20:05:51,419 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@4478bbf8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 15.09 08:05:51, skipping insertion in model container [2024-09-15 20:05:51,419 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 15.09 08:05:50" (2/4) ... [2024-09-15 20:05:51,419 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@4478bbf8 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 15.09 08:05:51, skipping insertion in model container [2024-09-15 20:05:51,419 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 15.09 08:05:51" (3/4) ... [2024-09-15 20:05:51,420 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@4478bbf8 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 15.09 08:05:51, skipping insertion in model container [2024-09-15 20:05:51,420 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.09 08:05:51" (4/4) ... [2024-09-15 20:05:51,421 INFO L79 RefereeObserver]: Analyzing ICFG mine2017-ex4.10.i [2024-09-15 20:05:51,424 INFO L112 InvariantChecker]: Found 1 loops. [2024-09-15 20:05:51,425 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L19-1 to ERROR_LOC mainErr2REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 5 edges. [2024-09-15 20:05:51,425 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L19-1 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 6 edges. [2024-09-15 20:05:51,425 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 2 edges. [2024-09-15 20:05:51,425 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L19-1 to ERROR_LOC mainErr1REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 3 edges. [2024-09-15 20:05:51,426 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L19-1 to ERROR_LOC mainErr4REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 5 edges. [2024-09-15 20:05:51,426 INFO L367 InvariantChecker]: Will check inductivity from ENTRY __VERIFIER_assertENTRY to ERROR_LOC __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 5 edges. [2024-09-15 20:05:51,426 INFO L367 InvariantChecker]: Will check inductivity from ENTRY __VERIFIER_assertENTRY to ERROR_LOC __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 3 edges. [2024-09-15 20:05:51,426 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L19-1 to ERROR_LOC mainErr3REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 4 edges. [2024-09-15 20:05:51,426 INFO L130 InvariantChecker]: Will check 1 loop-free subgraphs from procedure entry to loop head, 4 loop-free subgraphs from loop head to error location, 1 loop-free subgraphs from loop head to loop head, 2 loop-free subgraphs from procedure entry to error location [2024-09-15 20:05:51,461 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 5 edges [2024-09-15 20:05:51,463 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-15 20:05:51,463 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-15 20:05:51,464 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-15 20:05:51,465 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-15 20:05:51,467 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-15 20:05:51,480 INFO L101 BaseMinimizeStates]: Removed 8 edges and 4 locations by large block encoding [2024-09-15 20:05:51,481 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-15 20:05:51,485 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-15 20:05:51,485 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-15 20:05:51,486 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-15 20:05:51,487 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-15 20:05:51,507 INFO L514 InvariantChecker]: The annotation(s) from loop head L19-1 to error location mainErr2REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-15 20:05:51,518 INFO L314 BlockEncoder]: Initial Icfg 7 locations, 6 edges [2024-09-15 20:05:51,518 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-15 20:05:51,519 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-15 20:05:51,519 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-15 20:05:51,519 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-15 20:05:51,519 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-15 20:05:51,536 INFO L101 BaseMinimizeStates]: Removed 10 edges and 5 locations by large block encoding [2024-09-15 20:05:51,536 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-15 20:05:51,537 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-15 20:05:51,537 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-15 20:05:51,538 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-15 20:05:51,538 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-15 20:05:51,541 INFO L514 InvariantChecker]: The annotation(s) from loop head L19-1 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-15 20:05:51,550 INFO L314 BlockEncoder]: Initial Icfg 3 locations, 2 edges [2024-09-15 20:05:51,551 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-15 20:05:51,551 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-15 20:05:51,551 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-15 20:05:51,551 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-15 20:05:51,552 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-15 20:05:51,553 INFO L101 BaseMinimizeStates]: Removed 2 edges and 1 locations by large block encoding [2024-09-15 20:05:51,553 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-15 20:05:51,554 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-15 20:05:51,554 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-15 20:05:51,554 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-15 20:05:51,554 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-15 20:05:51,559 INFO L514 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-15 20:05:51,568 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-15 20:05:51,569 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-15 20:05:51,569 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-15 20:05:51,569 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-15 20:05:51,569 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-15 20:05:51,569 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-15 20:05:51,572 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-15 20:05:51,572 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-15 20:05:51,573 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-15 20:05:51,573 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-15 20:05:51,573 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-15 20:05:51,573 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-15 20:05:51,575 INFO L514 InvariantChecker]: The annotation(s) from loop head L19-1 to error location mainErr1REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-15 20:05:51,583 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 5 edges [2024-09-15 20:05:51,583 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-15 20:05:51,584 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-15 20:05:51,584 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-15 20:05:51,584 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-15 20:05:51,584 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-15 20:05:51,589 INFO L101 BaseMinimizeStates]: Removed 9 edges and 3 locations by large block encoding [2024-09-15 20:05:51,589 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-15 20:05:51,589 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-15 20:05:51,590 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-15 20:05:51,590 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-15 20:05:51,595 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-15 20:05:51,597 INFO L514 InvariantChecker]: The annotation(s) from loop head L19-1 to error location mainErr4REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-15 20:05:51,609 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 5 edges [2024-09-15 20:05:51,609 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-15 20:05:51,609 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-15 20:05:51,609 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-15 20:05:51,610 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-15 20:05:51,610 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-15 20:05:51,617 INFO L101 BaseMinimizeStates]: Removed 8 edges and 3 locations by large block encoding [2024-09-15 20:05:51,617 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-15 20:05:51,618 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-15 20:05:51,618 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-15 20:05:51,618 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-15 20:05:51,620 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-15 20:05:51,624 INFO L514 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-15 20:05:51,634 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-15 20:05:51,634 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-15 20:05:51,634 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-15 20:05:51,634 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-15 20:05:51,635 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-15 20:05:51,635 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-15 20:05:51,640 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-15 20:05:51,640 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-15 20:05:51,640 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-15 20:05:51,640 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-15 20:05:51,640 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-15 20:05:51,641 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-15 20:05:51,648 INFO L514 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION is inductive. [2024-09-15 20:05:51,656 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 4 edges [2024-09-15 20:05:51,656 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-15 20:05:51,656 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-15 20:05:51,657 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-15 20:05:51,657 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-15 20:05:51,657 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-15 20:05:51,661 INFO L101 BaseMinimizeStates]: Removed 6 edges and 2 locations by large block encoding [2024-09-15 20:05:51,665 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-15 20:05:51,665 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-15 20:05:51,665 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-15 20:05:51,665 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-15 20:05:51,667 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-15 20:05:51,672 INFO L514 InvariantChecker]: The annotation(s) from loop head L19-1 to error location mainErr3REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-15 20:05:51,676 INFO L58 RefereeStarter]: Annotation is a valid proof of correctness. [2024-09-15 20:05:51,676 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@4478bbf8 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CFG 15.09 08:05:51, skipping insertion in model container [2024-09-15 20:05:51,677 INFO L131 PluginConnector]: ------------------------ END Referee---------------------------- [2024-09-15 20:05:51,678 INFO L158 Benchmark]: Toolchain (without parser) took 895.59ms. Allocated memory was 134.2MB in the beginning and 184.5MB in the end (delta: 50.3MB). Free memory was 61.5MB in the beginning and 121.8MB in the end (delta: -60.3MB). There was no memory consumed. Max. memory is 16.1GB. [2024-09-15 20:05:51,680 INFO L158 Benchmark]: CDTParser took 0.21ms. Allocated memory is still 134.2MB. Free memory was 96.2MB in the beginning and 96.0MB in the end (delta: 160.8kB). There was no memory consumed. Max. memory is 16.1GB. [2024-09-15 20:05:51,680 INFO L158 Benchmark]: Witness Parser took 1.23ms. Allocated memory is still 134.2MB. Free memory is still 63.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-15 20:05:51,681 INFO L158 Benchmark]: CACSL2BoogieTranslator took 300.09ms. Allocated memory was 134.2MB in the beginning and 184.5MB in the end (delta: 50.3MB). Free memory was 61.3MB in the beginning and 153.2MB in the end (delta: -92.0MB). Peak memory consumption was 20.1MB. Max. memory is 16.1GB. [2024-09-15 20:05:51,682 INFO L158 Benchmark]: Boogie Preprocessor took 40.44ms. Allocated memory is still 184.5MB. Free memory was 153.2MB in the beginning and 152.1MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-09-15 20:05:51,684 INFO L158 Benchmark]: RCFGBuilder took 289.25ms. Allocated memory is still 184.5MB. Free memory was 151.1MB in the beginning and 139.5MB in the end (delta: 11.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-09-15 20:05:51,684 INFO L158 Benchmark]: Referee took 259.86ms. Allocated memory is still 184.5MB. Free memory was 139.5MB in the beginning and 121.8MB in the end (delta: 17.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-09-15 20:05:51,687 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 16 to check that procedure precondition always holds at line 21. 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 16 to loop head at line 16. Annotation is valid for all loop-free paths from loop head at line 16 to check that procedure precondition always holds at line 16. Annotation is valid for all loop-free paths from entry of procedure main to loop head at line 16. Annotation is valid for all loop-free paths from loop head at line 16 to check that procedure precondition always holds at line 19. Annotation is valid for all loop-free paths from loop head at line 16 to check that procedure precondition always holds at line 17. 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 0.21ms. Allocated memory is still 134.2MB. Free memory was 96.2MB in the beginning and 96.0MB in the end (delta: 160.8kB). There was no memory consumed. Max. memory is 16.1GB. * Witness Parser took 1.23ms. Allocated memory is still 134.2MB. Free memory is still 63.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 300.09ms. Allocated memory was 134.2MB in the beginning and 184.5MB in the end (delta: 50.3MB). Free memory was 61.3MB in the beginning and 153.2MB in the end (delta: -92.0MB). Peak memory consumption was 20.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 40.44ms. Allocated memory is still 184.5MB. Free memory was 153.2MB in the beginning and 152.1MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 289.25ms. Allocated memory is still 184.5MB. Free memory was 151.1MB in the beginning and 139.5MB in the end (delta: 11.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Referee took 259.86ms. Allocated memory is still 184.5MB. Free memory was 139.5MB in the beginning and 121.8MB in the end (delta: 17.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2024-09-15 20:05:51,718 INFO L540 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/referee/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE