./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/loop-simple/nested_3.c --full-output --witness-type correctness_witness --validate ../results/automizer-verification-files/SV-COMP24_unreach-call/nested_3.yml/witness-2.1.yml --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 6908dde5 Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/bin/java -Dosgi.configuration.area=/storage/repos/certificate-witnesses-artifact/referee/data/config -Xmx15G -Xms4m -jar /storage/repos/certificate-witnesses-artifact/referee/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/certificate-witnesses-artifact/referee/data -tc /storage/repos/certificate-witnesses-artifact/referee/config/RefereeReachWitnessValidation.xml -i ../sv-benchmarks/c/loop-simple/nested_3.c ../results/automizer-verification-files/SV-COMP24_unreach-call/nested_3.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-6908dde-m [2024-09-25 00:27:55,484 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-25 00:27:55,544 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Default.epf [2024-09-25 00:27:55,548 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-25 00:27:55,550 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-25 00:27:55,579 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-25 00:27:55,580 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-25 00:27:55,580 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-25 00:27:55,581 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-25 00:27:55,582 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-25 00:27:55,582 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-25 00:27:55,583 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-25 00:27:55,584 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-25 00:27:55,584 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-25 00:27:55,586 INFO L153 SettingsManager]: * Use SBE=true [2024-09-25 00:27:55,587 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-25 00:27:55,587 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-25 00:27:55,587 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-25 00:27:55,587 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-09-25 00:27:55,588 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-25 00:27:55,592 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-25 00:27:55,592 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-25 00:27:55,593 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-25 00:27:55,593 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-25 00:27:55,593 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-25 00:27:55,593 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-25 00:27:55,594 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-25 00:27:55,594 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-25 00:27:55,594 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-25 00:27:55,594 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-25 00:27:55,595 INFO L153 SettingsManager]: * Future-live optimization=false [2024-09-25 00:27:55,595 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-25 00:27:55,595 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-25 00:27:55,595 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-25 00:27:55,596 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-25 00:27:55,596 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-25 00:27:55,596 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-25 00:27:55,596 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-09-25 00:27:55,597 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-09-25 00:27:55,597 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-25 00:27:55,597 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-25 00:27:55,598 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-25 00:27:55,598 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-25 00:27:55,598 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/certificate-witnesses-artifact/referee/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None [2024-09-25 00:27:55,869 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-25 00:27:55,892 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-25 00:27:55,898 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-25 00:27:55,903 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-25 00:27:55,904 INFO L274 PluginConnector]: CDTParser initialized [2024-09-25 00:27:55,906 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/loop-simple/nested_3.c [2024-09-25 00:27:57,419 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-25 00:27:57,612 INFO L384 CDTParser]: Found 1 translation units. [2024-09-25 00:27:57,612 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-simple/nested_3.c [2024-09-25 00:27:57,620 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/284f30387/438022315e25405dacbb348fb687b6e4/FLAG676d07d62 [2024-09-25 00:27:57,635 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/284f30387/438022315e25405dacbb348fb687b6e4 [2024-09-25 00:27:57,638 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-25 00:27:57,639 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-25 00:27:57,640 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/automizer-verification-files/SV-COMP24_unreach-call/nested_3.yml/witness-2.1.yml [2024-09-25 00:27:57,739 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-25 00:27:57,741 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-09-25 00:27:57,742 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-25 00:27:57,743 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-25 00:27:57,752 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-25 00:27:57,753 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 12:27:57" (1/2) ... [2024-09-25 00:27:57,754 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@54c844bc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:27:57, skipping insertion in model container [2024-09-25 00:27:57,754 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 12:27:57" (1/2) ... [2024-09-25 00:27:57,757 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@13123ab and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:27:57, skipping insertion in model container [2024-09-25 00:27:57,757 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 25.09 12:27:57" (2/2) ... [2024-09-25 00:27:57,758 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@54c844bc and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 25.09 12:27:57, skipping insertion in model container [2024-09-25 00:27:57,758 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 25.09 12:27:57" (2/2) ... [2024-09-25 00:27:57,770 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-25 00:27:57,771 INFO L1541 ArrayList]: Loop invariant at [L21-L27] (((b == 6) && (c == 6)) && (a <= 6)) [2024-09-25 00:27:57,772 INFO L1541 ArrayList]: Loop invariant at [L23-L25] (((((((((b <= 5) && (a <= 5)) && (c == 1)) || (((b <= 5) && (5 == c)) && (a <= 5))) || (((c == 6) && (b <= 5)) && (a <= 5))) || (((b <= 5) && (a <= 5)) && (c == 3))) || (((b <= 5) && (c == 0)) && (a <= 5))) || (((b <= 5) && (c == 2)) && (a <= 5))) || (((b <= 5) && (c == 4)) && (a <= 5))) [2024-09-25 00:27:57,772 INFO L1541 ArrayList]: Loop invariant at [L22-L26] (((c == 6) && (b <= 6)) && (a <= 5)) [2024-09-25 00:27:57,802 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-25 00:27:57,969 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-simple/nested_3.c[784,797] [2024-09-25 00:27:57,975 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-25 00:27:57,985 INFO L200 MainTranslator]: Completed pre-run Start Parsing Local Start Parsing Local Start Parsing Local [2024-09-25 00:27:58,044 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-simple/nested_3.c[784,797] [2024-09-25 00:27:58,045 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-25 00:27:58,063 INFO L204 MainTranslator]: Completed translation [2024-09-25 00:27:58,064 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 25.09 12:27:58 WrapperNode [2024-09-25 00:27:58,064 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-25 00:27:58,066 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-25 00:27:58,066 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-25 00:27:58,066 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-25 00:27:58,086 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 25.09 12:27:58" (1/1) ... [2024-09-25 00:27:58,087 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 25.09 12:27:58" (1/1) ... [2024-09-25 00:27:58,096 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 25.09 12:27:58" (1/1) ... [2024-09-25 00:27:58,117 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-09-25 00:27:58,121 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 25.09 12:27:58" (1/1) ... [2024-09-25 00:27:58,122 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 25.09 12:27:58" (1/1) ... [2024-09-25 00:27:58,125 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 25.09 12:27:58" (1/1) ... [2024-09-25 00:27:58,130 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 25.09 12:27:58" (1/1) ... [2024-09-25 00:27:58,132 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 25.09 12:27:58" (1/1) ... [2024-09-25 00:27:58,132 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 25.09 12:27:58" (1/1) ... [2024-09-25 00:27:58,138 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-25 00:27:58,139 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-25 00:27:58,143 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-25 00:27:58,143 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-25 00:27:58,144 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 25.09 12:27:58" (1/1) ... [2024-09-25 00:27:58,151 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-25 00:27:58,161 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-09-25 00:27:58,210 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/certificate-witnesses-artifact/referee/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-09-25 00:27:58,215 INFO L327 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/referee/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-09-25 00:27:58,263 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-09-25 00:27:58,263 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-25 00:27:58,263 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-09-25 00:27:58,264 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-09-25 00:27:58,264 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-09-25 00:27:58,264 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-09-25 00:27:58,264 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-25 00:27:58,264 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-09-25 00:27:58,264 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-09-25 00:27:58,264 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-09-25 00:27:58,264 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-25 00:27:58,265 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-09-25 00:27:58,265 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-09-25 00:27:58,265 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-09-25 00:27:58,332 INFO L241 CfgBuilder]: Building ICFG [2024-09-25 00:27:58,334 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-25 00:27:58,466 INFO L290 CfgBuilder]: Performing block encoding [2024-09-25 00:27:58,505 INFO L312 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-25 00:27:58,505 INFO L317 CfgBuilder]: Removed 3 assume(true) statements. [2024-09-25 00:27:58,506 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 12:27:58 BoogieIcfgContainer [2024-09-25 00:27:58,506 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-25 00:27:58,507 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-09-25 00:27:58,507 INFO L270 PluginConnector]: Initializing Referee... [2024-09-25 00:27:58,508 INFO L274 PluginConnector]: Referee initialized [2024-09-25 00:27:58,508 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 25.09 12:27:57" (1/4) ... [2024-09-25 00:27:58,509 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@6efc6245 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 25.09 12:27:58, skipping insertion in model container [2024-09-25 00:27:58,509 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 25.09 12:27:57" (2/4) ... [2024-09-25 00:27:58,509 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@6efc6245 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 25.09 12:27:58, skipping insertion in model container [2024-09-25 00:27:58,509 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 25.09 12:27:58" (3/4) ... [2024-09-25 00:27:58,510 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@6efc6245 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 25.09 12:27:58, skipping insertion in model container [2024-09-25 00:27:58,510 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 12:27:58" (4/4) ... [2024-09-25 00:27:58,512 INFO L79 RefereeObserver]: Analyzing ICFG nested_3.c [2024-09-25 00:27:58,516 INFO L113 InvariantChecker]: Found 3 loops. [2024-09-25 00:27:58,517 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L22-4 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 5 edges. [2024-09-25 00:27:58,517 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 2 edges. [2024-09-25 00:27:58,517 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L21-4 to LOOP_INVARIANT_ERROR_LOC mainErr1ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 3 edges. [2024-09-25 00:27:58,517 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L23-4 to LOOP_INVARIANT_ERROR_LOC mainErr1ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 5 edges. [2024-09-25 00:27:58,517 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L21-4 to ERROR_LOC mainErr3ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 5 edges. [2024-09-25 00:27:58,517 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L22-4 to LOOP_INVARIANT_ERROR_LOC mainErr2ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 3 edges. [2024-09-25 00:27:58,517 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L23-4 to LOOP_INVARIANT_ERROR_LOC mainErr2ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 3 edges. [2024-09-25 00:27:58,518 INFO L131 InvariantChecker]: Will check 1 loop-free subgraphs from loop head to error location, 5 loop-free subgraphs from loop head to loop head, 1 loop-free subgraphs from procedure entry to loop head [2024-09-25 00:27:58,568 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 5 edges [2024-09-25 00:27:58,569 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 00:27:58,570 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 00:27:58,572 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 00:27:58,573 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 00:27:58,575 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:27:58,587 INFO L101 BaseMinimizeStates]: Removed 9 edges and 3 locations by large block encoding [2024-09-25 00:27:58,589 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:27:58,589 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 00:27:58,589 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 00:27:58,590 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 00:27:58,600 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 00:27:58,627 INFO L520 InvariantChecker]: The annotation(s) from loop head L22-4 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-25 00:27:58,639 INFO L314 BlockEncoder]: Initial Icfg 3 locations, 2 edges [2024-09-25 00:27:58,646 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 00:27:58,647 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 00:27:58,647 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 00:27:58,647 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 00:27:58,647 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:27:58,650 INFO L101 BaseMinimizeStates]: Removed 2 edges and 1 locations by large block encoding [2024-09-25 00:27:58,652 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:27:58,652 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 00:27:58,653 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 00:27:58,653 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 00:27:58,653 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 00:27:58,659 INFO L520 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-25 00:27:58,668 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-25 00:27:58,669 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 00:27:58,669 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 00:27:58,669 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 00:27:58,669 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 00:27:58,669 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:27:58,676 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-25 00:27:58,677 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:27:58,677 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 00:27:58,677 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 00:27:58,677 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 00:27:58,677 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 00:27:58,680 INFO L520 InvariantChecker]: The annotation(s) from loop head L21-4 to loop head mainErr1ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-25 00:27:58,689 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 5 edges [2024-09-25 00:27:58,690 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 00:27:58,690 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 00:27:58,690 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 00:27:58,690 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 00:27:58,690 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:27:58,699 INFO L101 BaseMinimizeStates]: Removed 9 edges and 3 locations by large block encoding [2024-09-25 00:27:58,699 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:27:58,700 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 00:27:58,700 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 00:27:58,700 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 00:27:58,703 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 00:27:58,711 INFO L520 InvariantChecker]: The annotation(s) from loop head L23-4 to loop head mainErr1ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-25 00:27:58,721 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 5 edges [2024-09-25 00:27:58,721 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 00:27:58,722 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 00:27:58,722 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 00:27:58,722 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 00:27:58,722 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:27:58,727 INFO L101 BaseMinimizeStates]: Removed 9 edges and 3 locations by large block encoding [2024-09-25 00:27:58,727 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:27:58,728 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 00:27:58,728 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 00:27:58,728 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 00:27:58,730 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 00:27:58,737 INFO L520 InvariantChecker]: The annotation(s) from loop head L21-4 to error location mainErr3ASSERT_VIOLATIONERROR_FUNCTION is inductive. [2024-09-25 00:27:58,746 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-25 00:27:58,747 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 00:27:58,747 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 00:27:58,747 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 00:27:58,748 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 00:27:58,748 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:27:58,751 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-25 00:27:58,752 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:27:58,752 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 00:27:58,752 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 00:27:58,752 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 00:27:58,753 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 00:27:58,757 INFO L520 InvariantChecker]: The annotation(s) from loop head L22-4 to loop head mainErr2ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-25 00:27:58,770 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-25 00:27:58,770 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 00:27:58,770 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 00:27:58,771 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 00:27:58,771 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 00:27:58,771 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:27:58,777 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-25 00:27:58,777 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:27:58,777 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 00:27:58,778 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 00:27:58,778 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 00:27:58,778 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 00:27:58,788 INFO L520 InvariantChecker]: The annotation(s) from loop head L23-4 to loop head mainErr2ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-25 00:27:58,797 INFO L58 RefereeStarter]: Annotation is a valid proof of correctness. [2024-09-25 00:27:58,798 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@6efc6245 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CFG 25.09 12:27:58, skipping insertion in model container [2024-09-25 00:27:58,798 INFO L131 PluginConnector]: ------------------------ END Referee---------------------------- [2024-09-25 00:27:58,800 INFO L158 Benchmark]: Toolchain (without parser) took 1058.40ms. Allocated memory is still 169.9MB. Free memory was 140.5MB in the beginning and 92.5MB in the end (delta: 48.0MB). Peak memory consumption was 46.1MB. Max. memory is 16.1GB. [2024-09-25 00:27:58,800 INFO L158 Benchmark]: CDTParser took 0.20ms. Allocated memory is still 169.9MB. Free memory is still 143.4MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-25 00:27:58,801 INFO L158 Benchmark]: Witness Parser took 0.23ms. Allocated memory is still 169.9MB. Free memory is still 96.6MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-25 00:27:58,801 INFO L158 Benchmark]: CACSL2BoogieTranslator took 322.60ms. Allocated memory is still 169.9MB. Free memory was 140.5MB in the beginning and 126.6MB in the end (delta: 13.8MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-09-25 00:27:58,801 INFO L158 Benchmark]: Boogie Preprocessor took 72.13ms. Allocated memory is still 169.9MB. Free memory was 126.6MB in the beginning and 124.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-09-25 00:27:58,802 INFO L158 Benchmark]: RCFGBuilder took 367.07ms. Allocated memory is still 169.9MB. Free memory was 124.5MB in the beginning and 112.0MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-09-25 00:27:58,803 INFO L158 Benchmark]: Referee took 291.56ms. Allocated memory is still 169.9MB. Free memory was 112.0MB in the beginning and 92.5MB in the end (delta: 19.5MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2024-09-25 00:27:58,805 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 22 to loop head at line 21. Annotation is valid for all loop-free paths from loop head at line 23 to loop head at line 22. Annotation is valid for all loop-free paths from loop head at line 23 to loop head at line 23. Annotation is valid for all loop-free paths from loop head at line 21 to check that a call to reach_error is unreachable at line 29. Annotation is valid for all loop-free paths from entry of procedure main to loop head at line 21. Annotation is valid for all loop-free paths from loop head at line 22 to loop head at line 23. Annotation is valid for all loop-free paths from loop head at line 21 to loop head at line 22. * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20ms. Allocated memory is still 169.9MB. Free memory is still 143.4MB. There was no memory consumed. Max. memory is 16.1GB. * Witness Parser took 0.23ms. Allocated memory is still 169.9MB. Free memory is still 96.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 322.60ms. Allocated memory is still 169.9MB. Free memory was 140.5MB in the beginning and 126.6MB in the end (delta: 13.8MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Preprocessor took 72.13ms. Allocated memory is still 169.9MB. Free memory was 126.6MB in the beginning and 124.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 367.07ms. Allocated memory is still 169.9MB. Free memory was 124.5MB in the beginning and 112.0MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Referee took 291.56ms. Allocated memory is still 169.9MB. Free memory was 112.0MB in the beginning and 92.5MB in the end (delta: 19.5MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2024-09-25 00:27:58,829 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: TRUE