./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 --procedureinliner.inline.calls.to.implemented.procedures NEVER --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 e378df2c 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 --procedureinliner.inline.calls.to.implemented.procedures NEVER --- Real Ultimate output --- This is Ultimate 0.2.5-wip.dk.contract-modifies-e378df2-m [2024-10-15 15:31:35,500 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-15 15:31:35,561 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Default.epf [2024-10-15 15:31:35,566 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-15 15:31:35,566 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-15 15:31:35,586 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-15 15:31:35,586 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-15 15:31:35,586 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-15 15:31:35,587 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-15 15:31:35,587 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-15 15:31:35,587 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-15 15:31:35,588 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-15 15:31:35,588 INFO L153 SettingsManager]: * Use SBE=true [2024-10-15 15:31:35,588 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-15 15:31:35,588 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-15 15:31:35,589 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-15 15:31:35,589 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-15 15:31:35,589 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-15 15:31:35,589 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-15 15:31:35,590 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-15 15:31:35,590 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-15 15:31:35,594 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-15 15:31:35,594 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-15 15:31:35,595 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-15 15:31:35,595 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-15 15:31:35,595 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-15 15:31:35,595 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-15 15:31:35,595 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-15 15:31:35,595 INFO L153 SettingsManager]: * Future-live optimization=false [2024-10-15 15:31:35,596 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-15 15:31:35,596 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-15 15:31:35,596 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None Applying setting for plugin de.uni_freiburg.informatik.ultimate.boogie.procedureinliner: Inline calls to implemented procedures -> NEVER [2024-10-15 15:31:35,843 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-15 15:31:35,859 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-15 15:31:35,861 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-15 15:31:35,863 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-15 15:31:35,863 INFO L274 PluginConnector]: CDTParser initialized [2024-10-15 15:31:35,864 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/loop-simple/nested_3.c [2024-10-15 15:31:37,144 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-15 15:31:37,304 INFO L384 CDTParser]: Found 1 translation units. [2024-10-15 15:31:37,305 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-simple/nested_3.c [2024-10-15 15:31:37,313 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/125fb3e3f/1210824fdd344a8e9e3a222ae63df118/FLAG0d62432e2 [2024-10-15 15:31:37,326 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/125fb3e3f/1210824fdd344a8e9e3a222ae63df118 [2024-10-15 15:31:37,330 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-10-15 15:31:37,331 INFO L274 PluginConnector]: Witness Parser initialized [2024-10-15 15:31:37,331 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/automizer-verification-files/SV-COMP24_unreach-call/nested_3.yml/witness-2.1.yml [2024-10-15 15:31:37,377 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-15 15:31:37,378 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-10-15 15:31:37,380 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-15 15:31:37,380 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-15 15:31:37,385 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-15 15:31:37,390 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 03:31:37" (1/2) ... [2024-10-15 15:31:37,394 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@63bdf5b4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:31:37, skipping insertion in model container [2024-10-15 15:31:37,394 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 03:31:37" (1/2) ... [2024-10-15 15:31:37,396 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@17baff3b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:31:37, skipping insertion in model container [2024-10-15 15:31:37,397 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 15.10 03:31:37" (2/2) ... [2024-10-15 15:31:37,397 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@63bdf5b4 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 15.10 03:31:37, skipping insertion in model container [2024-10-15 15:31:37,398 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 15.10 03:31:37" (2/2) ... [2024-10-15 15:31:37,403 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-10-15 15:31:37,403 INFO L1541 ArrayList]: Loop invariant at [L22-L26] (((c == 6) && (b <= 6)) && (a <= 5)) [2024-10-15 15:31:37,403 INFO L1541 ArrayList]: Loop invariant at [L21-L27] (((b == 6) && (c == 6)) && (a <= 6)) [2024-10-15 15:31:37,404 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))) [2024-10-15 15:31:37,417 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-15 15:31:37,569 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] [2024-10-15 15:31:37,573 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-15 15:31:37,579 INFO L200 MainTranslator]: Completed pre-run Start Parsing Local Start Parsing Local Start Parsing Local [2024-10-15 15:31:37,617 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] [2024-10-15 15:31:37,617 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-15 15:31:37,633 INFO L204 MainTranslator]: Completed translation [2024-10-15 15:31:37,634 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 15.10 03:31:37 WrapperNode [2024-10-15 15:31:37,634 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-15 15:31:37,635 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-15 15:31:37,635 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-15 15:31:37,635 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-15 15:31:37,640 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 15.10 03:31:37" (1/1) ... [2024-10-15 15:31:37,645 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 15.10 03:31:37" (1/1) ... [2024-10-15 15:31:37,650 INFO L138 Inliner]: procedures = 10, calls = 7, calls flagged for inlining = 0, calls inlined = 0, statements flattened = 0 [2024-10-15 15:31:37,651 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-15 15:31:37,651 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-15 15:31:37,652 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-15 15:31:37,652 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-15 15:31:37,659 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 15.10 03:31:37" (1/1) ... [2024-10-15 15:31:37,660 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 15.10 03:31:37" (1/1) ... [2024-10-15 15:31:37,661 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 15.10 03:31:37" (1/1) ... [2024-10-15 15:31:37,679 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]. [2024-10-15 15:31:37,679 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 15.10 03:31:37" (1/1) ... [2024-10-15 15:31:37,679 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 15.10 03:31:37" (1/1) ... [2024-10-15 15:31:37,682 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 15.10 03:31:37" (1/1) ... [2024-10-15 15:31:37,685 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 15.10 03:31:37" (1/1) ... [2024-10-15 15:31:37,686 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 15.10 03:31:37" (1/1) ... [2024-10-15 15:31:37,687 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 15.10 03:31:37" (1/1) ... [2024-10-15 15:31:37,691 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-15 15:31:37,691 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-15 15:31:37,691 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-15 15:31:37,691 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-15 15:31:37,692 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 15.10 03:31:37" (1/1) ... [2024-10-15 15:31:37,698 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-15 15:31:37,705 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-10-15 15:31:37,719 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) [2024-10-15 15:31:37,721 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 [2024-10-15 15:31:37,760 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-15 15:31:37,761 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-10-15 15:31:37,761 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-10-15 15:31:37,761 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-15 15:31:37,762 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-15 15:31:37,762 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-10-15 15:31:37,762 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-10-15 15:31:37,762 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-10-15 15:31:37,817 INFO L238 CfgBuilder]: Building ICFG [2024-10-15 15:31:37,818 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-15 15:31:37,937 INFO L287 CfgBuilder]: Performing block encoding [2024-10-15 15:31:37,960 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-15 15:31:37,961 INFO L314 CfgBuilder]: Removed 3 assume(true) statements. [2024-10-15 15:31:37,961 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 03:31:37 BoogieIcfgContainer [2024-10-15 15:31:37,962 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-15 15:31:37,962 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-10-15 15:31:37,962 INFO L270 PluginConnector]: Initializing Referee... [2024-10-15 15:31:37,963 INFO L274 PluginConnector]: Referee initialized [2024-10-15 15:31:37,963 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 15.10 03:31:37" (1/4) ... [2024-10-15 15:31:37,964 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@1557cf6c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 15.10 03:31:37, skipping insertion in model container [2024-10-15 15:31:37,964 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 15.10 03:31:37" (2/4) ... [2024-10-15 15:31:37,964 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@1557cf6c and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 15.10 03:31:37, skipping insertion in model container [2024-10-15 15:31:37,964 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 15.10 03:31:37" (3/4) ... [2024-10-15 15:31:37,964 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@1557cf6c and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 15.10 03:31:37, skipping insertion in model container [2024-10-15 15:31:37,965 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 03:31:37" (4/4) ... [2024-10-15 15:31:37,966 INFO L79 RefereeObserver]: Analyzing ICFG nested_3.c [2024-10-15 15:31:37,969 INFO L113 InvariantChecker]: Found 3 loops. [2024-10-15 15:31:37,970 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L22-4 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 5 edges. [2024-10-15 15:31:37,970 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 2 edges. [2024-10-15 15:31:37,971 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L21-4 to LOOP_INVARIANT_ERROR_LOC mainErr1ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 3 edges. [2024-10-15 15:31:37,971 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L23-4 to LOOP_INVARIANT_ERROR_LOC mainErr1ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 5 edges. [2024-10-15 15:31:37,971 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L21-4 to ERROR_LOC mainErr3ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 5 edges. [2024-10-15 15:31:37,971 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L22-4 to LOOP_INVARIANT_ERROR_LOC mainErr2ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 3 edges. [2024-10-15 15:31:37,971 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L23-4 to LOOP_INVARIANT_ERROR_LOC mainErr2ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 3 edges. [2024-10-15 15:31:37,972 INFO L131 InvariantChecker]: Will check 5 loop-free subgraphs from loop head to loop head, 1 loop-free subgraphs from loop head to error location, 1 loop-free subgraphs from procedure entry to loop head [2024-10-15 15:31:38,005 INFO L309 BlockEncoder]: Initial Icfg 5 locations, 5 edges [2024-10-15 15:31:38,006 INFO L259 BlockEncoder]: Using Maximize final states [2024-10-15 15:31:38,006 INFO L266 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-10-15 15:31:38,007 INFO L272 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-10-15 15:31:38,008 INFO L167 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-10-15 15:31:38,009 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:31:38,022 INFO L101 BaseMinimizeStates]: Removed 9 edges and 3 locations by large block encoding [2024-10-15 15:31:38,027 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:31:38,028 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-10-15 15:31:38,028 INFO L233 BlockEncoder]: Using Create parallel compositions if possible [2024-10-15 15:31:38,029 INFO L68 ParallelComposer]: Creating parallel compositions [2024-10-15 15:31:38,035 INFO L309 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-10-15 15:31:38,048 INFO L520 InvariantChecker]: The annotation(s) from loop head L22-4 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-10-15 15:31:38,056 INFO L309 BlockEncoder]: Initial Icfg 3 locations, 2 edges [2024-10-15 15:31:38,057 INFO L259 BlockEncoder]: Using Maximize final states [2024-10-15 15:31:38,057 INFO L266 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-10-15 15:31:38,057 INFO L272 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-10-15 15:31:38,057 INFO L167 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-10-15 15:31:38,058 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:31:38,059 INFO L101 BaseMinimizeStates]: Removed 2 edges and 1 locations by large block encoding [2024-10-15 15:31:38,059 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:31:38,059 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-10-15 15:31:38,059 INFO L233 BlockEncoder]: Using Create parallel compositions if possible [2024-10-15 15:31:38,060 INFO L68 ParallelComposer]: Creating parallel compositions [2024-10-15 15:31:38,060 INFO L309 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-10-15 15:31:38,064 INFO L520 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-10-15 15:31:38,076 INFO L309 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-10-15 15:31:38,080 INFO L259 BlockEncoder]: Using Maximize final states [2024-10-15 15:31:38,080 INFO L266 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-10-15 15:31:38,080 INFO L272 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-10-15 15:31:38,080 INFO L167 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-10-15 15:31:38,080 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:31:38,083 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-10-15 15:31:38,083 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:31:38,083 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-10-15 15:31:38,083 INFO L233 BlockEncoder]: Using Create parallel compositions if possible [2024-10-15 15:31:38,086 INFO L68 ParallelComposer]: Creating parallel compositions [2024-10-15 15:31:38,086 INFO L309 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-10-15 15:31:38,088 INFO L520 InvariantChecker]: The annotation(s) from loop head L21-4 to loop head mainErr1ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-10-15 15:31:38,100 INFO L309 BlockEncoder]: Initial Icfg 5 locations, 5 edges [2024-10-15 15:31:38,100 INFO L259 BlockEncoder]: Using Maximize final states [2024-10-15 15:31:38,100 INFO L266 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-10-15 15:31:38,101 INFO L272 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-10-15 15:31:38,101 INFO L167 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-10-15 15:31:38,101 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:31:38,109 INFO L101 BaseMinimizeStates]: Removed 9 edges and 3 locations by large block encoding [2024-10-15 15:31:38,111 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:31:38,111 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-10-15 15:31:38,111 INFO L233 BlockEncoder]: Using Create parallel compositions if possible [2024-10-15 15:31:38,111 INFO L68 ParallelComposer]: Creating parallel compositions [2024-10-15 15:31:38,113 INFO L309 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-10-15 15:31:38,118 INFO L520 InvariantChecker]: The annotation(s) from loop head L23-4 to loop head mainErr1ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-10-15 15:31:38,127 INFO L309 BlockEncoder]: Initial Icfg 5 locations, 5 edges [2024-10-15 15:31:38,129 INFO L259 BlockEncoder]: Using Maximize final states [2024-10-15 15:31:38,129 INFO L266 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-10-15 15:31:38,129 INFO L272 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-10-15 15:31:38,129 INFO L167 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-10-15 15:31:38,129 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:31:38,132 INFO L101 BaseMinimizeStates]: Removed 9 edges and 3 locations by large block encoding [2024-10-15 15:31:38,133 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:31:38,133 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-10-15 15:31:38,134 INFO L233 BlockEncoder]: Using Create parallel compositions if possible [2024-10-15 15:31:38,134 INFO L68 ParallelComposer]: Creating parallel compositions [2024-10-15 15:31:38,135 INFO L309 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-10-15 15:31:38,140 INFO L520 InvariantChecker]: The annotation(s) from loop head L21-4 to error location mainErr3ASSERT_VIOLATIONERROR_FUNCTION is inductive. [2024-10-15 15:31:38,146 INFO L309 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-10-15 15:31:38,146 INFO L259 BlockEncoder]: Using Maximize final states [2024-10-15 15:31:38,146 INFO L266 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-10-15 15:31:38,146 INFO L272 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-10-15 15:31:38,147 INFO L167 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-10-15 15:31:38,147 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:31:38,148 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-10-15 15:31:38,150 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:31:38,150 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-10-15 15:31:38,150 INFO L233 BlockEncoder]: Using Create parallel compositions if possible [2024-10-15 15:31:38,150 INFO L68 ParallelComposer]: Creating parallel compositions [2024-10-15 15:31:38,150 INFO L309 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-10-15 15:31:38,153 INFO L520 InvariantChecker]: The annotation(s) from loop head L22-4 to loop head mainErr2ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-10-15 15:31:38,164 INFO L309 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-10-15 15:31:38,165 INFO L259 BlockEncoder]: Using Maximize final states [2024-10-15 15:31:38,165 INFO L266 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-10-15 15:31:38,165 INFO L272 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-10-15 15:31:38,165 INFO L167 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-10-15 15:31:38,165 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:31:38,172 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-10-15 15:31:38,176 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:31:38,176 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-10-15 15:31:38,176 INFO L233 BlockEncoder]: Using Create parallel compositions if possible [2024-10-15 15:31:38,177 INFO L68 ParallelComposer]: Creating parallel compositions [2024-10-15 15:31:38,177 INFO L309 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-10-15 15:31:38,179 INFO L520 InvariantChecker]: The annotation(s) from loop head L23-4 to loop head mainErr2ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-10-15 15:31:38,183 INFO L58 RefereeStarter]: Annotation is a valid proof of correctness. [2024-10-15 15:31:38,185 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@1557cf6c and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CFG 15.10 03:31:38, skipping insertion in model container [2024-10-15 15:31:38,185 INFO L131 PluginConnector]: ------------------------ END Referee---------------------------- [2024-10-15 15:31:38,187 INFO L158 Benchmark]: Toolchain (without parser) took 807.89ms. Allocated memory is still 77.6MB. Free memory was 40.8MB in the beginning and 33.5MB in the end (delta: 7.3MB). Peak memory consumption was 7.2MB. Max. memory is 16.1GB. [2024-10-15 15:31:38,187 INFO L158 Benchmark]: CDTParser took 0.15ms. Allocated memory is still 52.4MB. Free memory is still 30.5MB. There was no memory consumed. Max. memory is 16.1GB. [2024-10-15 15:31:38,188 INFO L158 Benchmark]: Witness Parser took 0.08ms. Allocated memory is still 77.6MB. Free memory is still 42.6MB. There was no memory consumed. Max. memory is 16.1GB. [2024-10-15 15:31:38,188 INFO L158 Benchmark]: CACSL2BoogieTranslator took 253.79ms. Allocated memory is still 77.6MB. Free memory was 40.6MB in the beginning and 44.4MB in the end (delta: -3.8MB). Peak memory consumption was 3.0MB. Max. memory is 16.1GB. [2024-10-15 15:31:38,189 INFO L158 Benchmark]: Boogie Procedure Inliner took 16.21ms. Allocated memory is still 77.6MB. Free memory was 44.4MB in the beginning and 43.3MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-10-15 15:31:38,189 INFO L158 Benchmark]: Boogie Preprocessor took 39.23ms. Allocated memory is still 77.6MB. Free memory was 43.3MB in the beginning and 41.7MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. [2024-10-15 15:31:38,190 INFO L158 Benchmark]: RCFGBuilder took 270.36ms. Allocated memory is still 77.6MB. Free memory was 41.7MB in the beginning and 53.2MB in the end (delta: -11.5MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-10-15 15:31:38,191 INFO L158 Benchmark]: Referee took 222.92ms. Allocated memory is still 77.6MB. Free memory was 53.2MB in the beginning and 33.5MB in the end (delta: 19.7MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2024-10-15 15:31:38,193 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.referee: - AnnotationCheckResult: Annotation is a valid proof of correctness. Annotation is a valid proof of correctness. Annotation is valid for all loop-free paths from entry of procedure main 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 22 to loop head at line 23. 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 loop head at line 22. 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 loop head at line 22 to loop head at line 21. * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15ms. Allocated memory is still 52.4MB. Free memory is still 30.5MB. There was no memory consumed. Max. memory is 16.1GB. * Witness Parser took 0.08ms. Allocated memory is still 77.6MB. Free memory is still 42.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 253.79ms. Allocated memory is still 77.6MB. Free memory was 40.6MB in the beginning and 44.4MB in the end (delta: -3.8MB). Peak memory consumption was 3.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 16.21ms. Allocated memory is still 77.6MB. Free memory was 44.4MB in the beginning and 43.3MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 39.23ms. Allocated memory is still 77.6MB. Free memory was 43.3MB in the beginning and 41.7MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 270.36ms. Allocated memory is still 77.6MB. Free memory was 41.7MB in the beginning and 53.2MB in the end (delta: -11.5MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Referee took 222.92ms. Allocated memory is still 77.6MB. Free memory was 53.2MB in the beginning and 33.5MB in the end (delta: 19.7MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2024-10-15 15:31:38,217 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