./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/loops-crafted-1/sum_by_3.c --full-output --witness-type correctness_witness --validate ../results/automizer-verification-files/SV-COMP24_unreach-call/sum_by_3.yml/witness-2.1.yml --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version fb1cb0b9 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/loops-crafted-1/sum_by_3.c ../results/automizer-verification-files/SV-COMP24_unreach-call/sum_by_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-fb1cb0b-m [2024-09-25 11:46:24,463 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-25 11:46:24,516 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Default.epf [2024-09-25 11:46:24,521 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-25 11:46:24,521 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-25 11:46:24,543 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-25 11:46:24,544 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-25 11:46:24,544 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-25 11:46:24,545 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-25 11:46:24,546 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-25 11:46:24,546 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-25 11:46:24,547 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-25 11:46:24,547 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-25 11:46:24,547 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-25 11:46:24,550 INFO L153 SettingsManager]: * Use SBE=true [2024-09-25 11:46:24,550 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-25 11:46:24,550 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-25 11:46:24,550 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-25 11:46:24,550 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-09-25 11:46:24,550 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-25 11:46:24,551 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-25 11:46:24,551 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-25 11:46:24,551 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-25 11:46:24,551 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-25 11:46:24,551 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-25 11:46:24,552 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-25 11:46:24,552 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-25 11:46:24,552 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-25 11:46:24,552 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-25 11:46:24,552 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-25 11:46:24,552 INFO L153 SettingsManager]: * Future-live optimization=false [2024-09-25 11:46:24,552 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-25 11:46:24,552 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-25 11:46:24,553 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-25 11:46:24,553 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-25 11:46:24,553 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-25 11:46:24,553 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-25 11:46:24,553 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-09-25 11:46:24,554 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-09-25 11:46:24,555 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-25 11:46:24,555 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-25 11:46:24,555 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-25 11:46:24,555 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-25 11:46:24,555 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None [2024-09-25 11:46:24,785 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-25 11:46:24,802 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-25 11:46:24,805 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-25 11:46:24,806 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-25 11:46:24,807 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-25 11:46:24,808 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/automizer-verification-files/SV-COMP24_unreach-call/sum_by_3.yml/witness-2.1.yml [2024-09-25 11:46:24,857 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-25 11:46:24,858 INFO L274 PluginConnector]: CDTParser initialized [2024-09-25 11:46:24,859 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/loops-crafted-1/sum_by_3.c [2024-09-25 11:46:26,175 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-25 11:46:26,323 INFO L384 CDTParser]: Found 1 translation units. [2024-09-25 11:46:26,324 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loops-crafted-1/sum_by_3.c [2024-09-25 11:46:26,330 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/6b9a319c0/371af7d5579b4a9fab42ff4c2b52b0b4/FLAG40ea79251 [2024-09-25 11:46:26,341 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/6b9a319c0/371af7d5579b4a9fab42ff4c2b52b0b4 [2024-09-25 11:46:26,342 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-25 11:46:26,343 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-09-25 11:46:26,344 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-25 11:46:26,344 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-25 11:46:26,348 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-25 11:46:26,352 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 11:46:24" (1/2) ... [2024-09-25 11:46:26,353 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@140517ce and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 25.09 11:46:26, skipping insertion in model container [2024-09-25 11:46:26,353 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 11:46:24" (1/2) ... [2024-09-25 11:46:26,354 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@5b3788e5 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 25.09 11:46:26, skipping insertion in model container [2024-09-25 11:46:26,354 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 11:46:26" (2/2) ... [2024-09-25 11:46:26,355 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@140517ce and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 11:46:26, skipping insertion in model container [2024-09-25 11:46:26,355 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 11:46:26" (2/2) ... [2024-09-25 11:46:26,366 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-25 11:46:26,368 INFO L1541 ArrayList]: Loop invariant at [L29-L31] ((((((SIZE == 20000001) && (n <= k)) && ((((((long long) i + k) + j) % 4294967296) / 3) <= 20000001)) && (n <= (j % 4294967296))) && ((((((long long) j * 2) + i) % 4294967296) / 3) <= 20000001)) && (((((long long) i * 3) % 4294967296) / 3) <= 20000001)) [2024-09-25 11:46:26,369 INFO L1541 ArrayList]: Loop invariant at [L25-L27] (((((n <= i) && (SIZE == 20000001)) && (n <= (j % 4294967296))) && ((((((long long) j * 2) + i) % 4294967296) / 3) <= 20000001)) && (((((long long) i * 3) % 4294967296) / 3) <= 20000001)) [2024-09-25 11:46:26,369 INFO L1541 ArrayList]: Loop invariant at [L21-L23] ((((i == 0) && (n <= 20000001)) || (((((i + 4294967295) % 4294967296) + 1) <= n) && (n <= 20000001))) && (SIZE == 20000001)) [2024-09-25 11:46:26,369 INFO L1541 ArrayList]: Function contract at [L16]: requires (SIZE == 20000001), ensures ((\old(SIZE) == SIZE) && (SIZE == 20000001)) [2024-09-25 11:46:26,369 INFO L1541 ArrayList]: Function contract at [L8]: requires ((cond != 0) && (SIZE == 20000001)), ensures (((cond != 0) && (\old(SIZE) == SIZE)) && (SIZE == 20000001)) [2024-09-25 11:46:26,383 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-25 11:46:26,521 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/loops-crafted-1/sum_by_3.c[406,419] [2024-09-25 11:46:26,531 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-25 11:46:26,545 INFO L200 MainTranslator]: Completed pre-run Start Parsing Global Start Parsing Global [2024-09-25 11:46:26,595 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/loops-crafted-1/sum_by_3.c[406,419] Start Parsing Global Start Parsing Global Start Parsing Local Start Parsing Local Start Parsing Local [2024-09-25 11:46:26,637 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-25 11:46:26,653 INFO L204 MainTranslator]: Completed translation [2024-09-25 11:46:26,654 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 11:46:26 WrapperNode [2024-09-25 11:46:26,654 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-25 11:46:26,658 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-25 11:46:26,659 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-25 11:46:26,659 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-25 11:46:26,679 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 11:46:26" (1/1) ... [2024-09-25 11:46:26,683 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 11:46:26" (1/1) ... [2024-09-25 11:46:26,696 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 11:46:26" (1/1) ... [2024-09-25 11:46:26,723 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 [2024-09-25 11:46:26,730 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 11:46:26" (1/1) ... [2024-09-25 11:46:26,731 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 11:46:26" (1/1) ... [2024-09-25 11:46:26,734 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 11:46:26" (1/1) ... [2024-09-25 11:46:26,750 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 11:46:26" (1/1) ... [2024-09-25 11:46:26,757 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 11:46:26" (1/1) ... [2024-09-25 11:46:26,759 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 11:46:26" (1/1) ... [2024-09-25 11:46:26,760 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-25 11:46:26,761 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-25 11:46:26,761 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-25 11:46:26,761 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-25 11:46:26,766 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 11:46:26" (1/1) ... [2024-09-25 11:46:26,775 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-25 11:46:26,787 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-09-25 11:46:26,817 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 11:46:26,826 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 11:46:26,898 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-09-25 11:46:26,898 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-25 11:46:26,903 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-09-25 11:46:26,903 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-09-25 11:46:26,904 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-09-25 11:46:26,904 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-09-25 11:46:26,904 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-09-25 11:46:26,904 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-09-25 11:46:26,904 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-09-25 11:46:26,904 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-25 11:46:26,904 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-09-25 11:46:26,905 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-09-25 11:46:26,905 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2024-09-25 11:46:26,905 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-09-25 11:46:26,905 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-09-25 11:46:26,905 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-09-25 11:46:26,905 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-25 11:46:26,905 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-09-25 11:46:26,905 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-09-25 11:46:26,905 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-09-25 11:46:26,993 INFO L241 CfgBuilder]: Building ICFG [2024-09-25 11:46:27,002 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-25 11:46:27,087 WARN L782 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-25 11:46:27,357 WARN L782 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-25 11:46:27,364 INFO L290 CfgBuilder]: Performing block encoding [2024-09-25 11:46:27,387 INFO L312 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-25 11:46:27,387 INFO L317 CfgBuilder]: Removed 3 assume(true) statements. [2024-09-25 11:46:27,387 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 11:46:27 BoogieIcfgContainer [2024-09-25 11:46:27,387 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-25 11:46:27,388 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-09-25 11:46:27,388 INFO L270 PluginConnector]: Initializing Referee... [2024-09-25 11:46:27,388 INFO L274 PluginConnector]: Referee initialized [2024-09-25 11:46:27,389 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 11:46:24" (1/4) ... [2024-09-25 11:46:27,389 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@7a322cb and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 25.09 11:46:27, skipping insertion in model container [2024-09-25 11:46:27,389 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 25.09 11:46:26" (2/4) ... [2024-09-25 11:46:27,390 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@7a322cb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 25.09 11:46:27, skipping insertion in model container [2024-09-25 11:46:27,390 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 11:46:26" (3/4) ... [2024-09-25 11:46:27,390 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@7a322cb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 25.09 11:46:27, skipping insertion in model container [2024-09-25 11:46:27,391 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 11:46:27" (4/4) ... [2024-09-25 11:46:27,391 INFO L79 RefereeObserver]: Analyzing ICFG sum_by_3.c [2024-09-25 11:46:27,394 INFO L113 InvariantChecker]: Found 3 loops. [2024-09-25 11:46:27,394 INFO L373 InvariantChecker]: Will check inductivity from ENTRY mainENTRY to ERROR_LOC mainErr4ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 3 edges. [2024-09-25 11:46:27,395 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L29-3 to ERROR_LOC mainErr4ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 6 edges. [2024-09-25 11:46:27,395 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L25-3 to LOOP_INVARIANT_ERROR_LOC mainErr1ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 3 edges. [2024-09-25 11:46:27,395 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L21-3 to LOOP_INVARIANT_ERROR_LOC mainErr1ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 5 edges. [2024-09-25 11:46:27,396 INFO L373 InvariantChecker]: Will check inductivity from ENTRY mainENTRY to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 3 edges. [2024-09-25 11:46:27,396 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L21-3 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 3 edges. [2024-09-25 11:46:27,396 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L25-3 to LOOP_INVARIANT_ERROR_LOC mainErr2ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 5 edges. [2024-09-25 11:46:27,396 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L29-3 to LOOP_INVARIANT_ERROR_LOC mainErr2ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 3 edges. [2024-09-25 11:46:27,396 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC ULTIMATE.startErr0REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 3 edges. [2024-09-25 11:46:27,396 INFO L373 InvariantChecker]: Will check inductivity from ENTRY __VERIFIER_assertENTRY to ERROR_LOC __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 5 edges. [2024-09-25 11:46:27,396 INFO L373 InvariantChecker]: Will check inductivity from ENTRY __VERIFIER_assertENTRY to ERROR_LOC __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 3 edges. [2024-09-25 11:46:27,396 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L29-3 to ERROR_LOC mainErr3REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 4 edges. [2024-09-25 11:46:27,397 INFO L131 InvariantChecker]: Will check 2 loop-free subgraphs from loop head to error location, 1 loop-free subgraphs from procedure entry to loop head, 4 loop-free subgraphs from procedure entry to error location, 5 loop-free subgraphs from loop head to loop head [2024-09-25 11:46:27,435 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-25 11:46:27,436 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 11:46:27,437 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 11:46:27,437 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 11:46:27,438 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 11:46:27,440 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:46:27,446 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-25 11:46:27,447 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:46:27,448 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 11:46:27,448 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 11:46:27,448 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 11:46:27,448 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 11:46:27,460 INFO L520 InvariantChecker]: The annotation(s) from entry mainENTRY to error location mainErr4ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-25 11:46:27,482 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 6 edges [2024-09-25 11:46:27,484 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 11:46:27,484 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 11:46:27,484 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 11:46:27,484 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 11:46:27,484 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:46:27,500 INFO L101 BaseMinimizeStates]: Removed 12 edges and 4 locations by large block encoding [2024-09-25 11:46:27,500 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:46:27,500 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 11:46:27,500 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 11:46:27,500 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 11:46:27,502 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 11:46:27,504 INFO L520 InvariantChecker]: The annotation(s) from loop head L29-3 to error location mainErr4ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-25 11:46:27,513 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-25 11:46:27,513 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 11:46:27,514 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 11:46:27,514 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 11:46:27,514 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 11:46:27,514 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:46:27,520 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-25 11:46:27,520 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:46:27,520 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 11:46:27,520 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 11:46:27,520 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 11:46:27,520 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 11:46:27,523 INFO L520 InvariantChecker]: The annotation(s) from loop head L25-3 to loop head mainErr1ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-25 11:46:27,533 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 5 edges [2024-09-25 11:46:27,533 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 11:46:27,533 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 11:46:27,533 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 11:46:27,533 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 11:46:27,534 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:46:27,539 INFO L101 BaseMinimizeStates]: Removed 9 edges and 3 locations by large block encoding [2024-09-25 11:46:27,539 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:46:27,539 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 11:46:27,539 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 11:46:27,539 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 11:46:27,542 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 11:46:27,588 INFO L520 InvariantChecker]: The annotation(s) from loop head L21-3 to loop head mainErr1ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-25 11:46:27,600 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-25 11:46:27,600 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 11:46:27,600 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 11:46:27,600 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 11:46:27,601 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 11:46:27,601 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:46:27,603 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-25 11:46:27,603 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:46:27,603 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 11:46:27,604 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 11:46:27,604 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 11:46:27,604 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 11:46:27,610 INFO L520 InvariantChecker]: The annotation(s) from entry mainENTRY to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-25 11:46:27,622 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-25 11:46:27,623 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 11:46:27,624 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 11:46:27,624 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 11:46:27,624 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 11:46:27,624 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:46:27,627 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-25 11:46:27,627 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:46:27,628 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 11:46:27,628 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 11:46:27,628 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 11:46:27,628 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 11:46:27,633 INFO L520 InvariantChecker]: The annotation(s) from loop head L21-3 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-25 11:46:27,646 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 5 edges [2024-09-25 11:46:27,646 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 11:46:27,646 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 11:46:27,647 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 11:46:27,647 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 11:46:27,647 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:46:27,657 INFO L101 BaseMinimizeStates]: Removed 9 edges and 3 locations by large block encoding [2024-09-25 11:46:27,658 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:46:27,658 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 11:46:27,658 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 11:46:27,658 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 11:46:27,661 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 11:46:27,666 INFO L520 InvariantChecker]: The annotation(s) from loop head L25-3 to loop head mainErr2ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-25 11:46:27,677 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-25 11:46:27,678 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 11:46:27,679 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 11:46:27,679 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 11:46:27,679 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 11:46:27,679 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:46:27,687 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-25 11:46:27,687 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:46:27,688 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 11:46:27,688 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 11:46:27,689 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 11:46:27,689 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 11:46:27,693 INFO L520 InvariantChecker]: The annotation(s) from loop head L29-3 to loop head mainErr2ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-25 11:46:27,731 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-25 11:46:27,731 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 11:46:27,731 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 11:46:27,732 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 11:46:27,732 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 11:46:27,732 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:46:27,733 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-25 11:46:27,733 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:46:27,734 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 11:46:27,734 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 11:46:27,734 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 11:46:27,734 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 11:46:27,735 INFO L520 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to error location ULTIMATE.startErr0REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-25 11:46:27,745 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 5 edges [2024-09-25 11:46:27,745 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 11:46:27,746 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 11:46:27,746 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 11:46:27,746 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 11:46:27,746 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:46:27,747 INFO L101 BaseMinimizeStates]: Removed 8 edges and 3 locations by large block encoding [2024-09-25 11:46:27,748 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:46:27,748 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 11:46:27,748 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 11:46:27,748 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 11:46:27,748 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 11:46:27,752 INFO L520 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-25 11:46:27,759 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-25 11:46:27,759 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 11:46:27,760 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 11:46:27,760 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 11:46:27,760 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 11:46:27,760 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:46:27,761 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-25 11:46:27,761 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:46:27,761 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 11:46:27,761 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 11:46:27,762 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 11:46:27,762 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 11:46:27,764 INFO L520 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION is inductive. [2024-09-25 11:46:27,773 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 4 edges [2024-09-25 11:46:27,773 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 11:46:27,773 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 11:46:27,773 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 11:46:27,773 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 11:46:27,773 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:46:27,780 INFO L101 BaseMinimizeStates]: Removed 6 edges and 2 locations by large block encoding [2024-09-25 11:46:27,780 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:46:27,780 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 11:46:27,780 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 11:46:27,780 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 11:46:27,783 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 11:46:27,803 INFO L58 RefereeStarter]: Annotation is not a valid proof of correctness. [2024-09-25 11:46:27,804 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@7a322cb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee CFG 25.09 11:46:27, skipping insertion in model container [2024-09-25 11:46:27,804 INFO L131 PluginConnector]: ------------------------ END Referee---------------------------- [2024-09-25 11:46:27,805 INFO L158 Benchmark]: Toolchain (without parser) took 1461.79ms. Allocated memory is still 174.1MB. Free memory was 95.8MB in the beginning and 128.0MB in the end (delta: -32.2MB). Peak memory consumption was 42.2MB. Max. memory is 16.1GB. [2024-09-25 11:46:27,806 INFO L158 Benchmark]: Witness Parser took 0.45ms. Allocated memory is still 174.1MB. Free memory is still 144.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-25 11:46:27,806 INFO L158 Benchmark]: CDTParser took 0.63ms. Allocated memory is still 174.1MB. Free memory is still 142.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-25 11:46:27,806 INFO L158 Benchmark]: CACSL2BoogieTranslator took 310.40ms. Allocated memory is still 174.1MB. Free memory was 95.5MB in the beginning and 141.2MB in the end (delta: -45.7MB). Peak memory consumption was 16.9MB. Max. memory is 16.1GB. [2024-09-25 11:46:27,807 INFO L158 Benchmark]: Boogie Preprocessor took 101.74ms. Allocated memory is still 174.1MB. Free memory was 141.2MB in the beginning and 139.2MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-09-25 11:46:27,807 INFO L158 Benchmark]: RCFGBuilder took 626.96ms. Allocated memory is still 174.1MB. Free memory was 139.2MB in the beginning and 114.0MB in the end (delta: 25.2MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-09-25 11:46:27,807 INFO L158 Benchmark]: Referee took 415.91ms. Allocated memory is still 174.1MB. Free memory was 114.0MB in the beginning and 128.0MB in the end (delta: -14.0MB). Peak memory consumption was 60.9MB. Max. memory is 16.1GB. [2024-09-25 11:46:27,809 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.referee: - AnnotationCheckResult: Annotation is not a valid proof of correctness. Annotation is not a valid proof of correctness. Annotation is not valid for all loop-free paths from loop head at line 29 to check that procedure precondition always holds at line 29. One counterexample starts in i=1431655766, j=-4294967296, k=15748213415, n=0, SIZE=20000001 and ends in i=1431655766, j=-4294967296, k=15748213415, n=0, SIZE=20000001. Annotation is valid for all loop-free paths from loop head at line 25 to loop head at line 25. Annotation is valid for all loop-free paths from loop head at line 29 to exit of procedure main. 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 10. Annotation is valid for all loop-free paths from loop head at line 21 to loop head at line 25. Annotation is valid for all loop-free paths from entry of procedure __VERIFIER_assert to exit of procedure __VERIFIER_assert. Annotation is valid for all loop-free paths from loop head at line 29 to loop head 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 25 to loop head at line 29. Annotation is valid for all loop-free paths from entry of procedure ULTIMATE.start to check that procedure precondition always holds at line -1. Annotation is valid for all loop-free paths from entry of procedure main to exit of procedure main. Annotation is valid for all loop-free paths from loop head at line 21 to loop head at line 21. * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Witness Parser took 0.45ms. Allocated memory is still 174.1MB. Free memory is still 144.3MB. There was no memory consumed. Max. memory is 16.1GB. * CDTParser took 0.63ms. Allocated memory is still 174.1MB. Free memory is still 142.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 310.40ms. Allocated memory is still 174.1MB. Free memory was 95.5MB in the beginning and 141.2MB in the end (delta: -45.7MB). Peak memory consumption was 16.9MB. Max. memory is 16.1GB. * Boogie Preprocessor took 101.74ms. Allocated memory is still 174.1MB. Free memory was 141.2MB in the beginning and 139.2MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 626.96ms. Allocated memory is still 174.1MB. Free memory was 139.2MB in the beginning and 114.0MB in the end (delta: 25.2MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * Referee took 415.91ms. Allocated memory is still 174.1MB. Free memory was 114.0MB in the beginning and 128.0MB in the end (delta: -14.0MB). Peak memory consumption was 60.9MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be incorrect! [2024-09-25 11:46:27,831 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 Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE