./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/loop-zilu/benchmark37_conjunctive.i --full-output --witness-type correctness_witness --cacsl2boogietranslator.check.absence.of.signed.integer.overflows true --validate ../results/automizer-verification-files/SV-COMP24_unreach-call/benchmark37_conjunctive.yml/witness-2.1.yml --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version a9b967e5 Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/certificate-witnesses-artifact/referee/data/config -Xmx15G -Xms4m -jar /storage/repos/certificate-witnesses-artifact/referee/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/certificate-witnesses-artifact/referee/data -tc /storage/repos/certificate-witnesses-artifact/referee/config/RefereeReachWitnessValidation.xml -i ../sv-benchmarks/c/loop-zilu/benchmark37_conjunctive.i ../results/automizer-verification-files/SV-COMP24_unreach-call/benchmark37_conjunctive.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 --cacsl2boogietranslator.check.absence.of.signed.integer.overflows true --- Real Ultimate output --- This is Ultimate 0.2.4-dev-a9b967e-m [2024-09-12 20:11:34,941 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-12 20:11:35,004 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Default.epf [2024-09-12 20:11:35,010 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-12 20:11:35,011 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-12 20:11:35,050 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-12 20:11:35,051 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-12 20:11:35,051 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-12 20:11:35,052 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-12 20:11:35,053 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-12 20:11:35,053 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-12 20:11:35,053 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-12 20:11:35,054 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-12 20:11:35,054 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-12 20:11:35,054 INFO L153 SettingsManager]: * Use SBE=true [2024-09-12 20:11:35,055 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-12 20:11:35,055 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-12 20:11:35,056 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-12 20:11:35,056 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-09-12 20:11:35,058 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-12 20:11:35,059 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-12 20:11:35,059 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-12 20:11:35,060 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-12 20:11:35,060 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-12 20:11:35,060 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-12 20:11:35,060 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-12 20:11:35,061 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-12 20:11:35,061 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-12 20:11:35,061 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-12 20:11:35,061 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-12 20:11:35,062 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-12 20:11:35,062 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-12 20:11:35,062 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-12 20:11:35,062 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-12 20:11:35,063 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-12 20:11:35,063 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-12 20:11:35,066 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-09-12 20:11:35,066 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-09-12 20:11:35,067 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-12 20:11:35,067 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-12 20:11:35,068 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-12 20:11:35,068 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-12 20:11:35,074 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check absence of signed integer overflows -> true [2024-09-12 20:11:35,304 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-12 20:11:35,331 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-12 20:11:35,334 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-12 20:11:35,335 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-12 20:11:35,335 INFO L274 PluginConnector]: CDTParser initialized [2024-09-12 20:11:35,336 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/loop-zilu/benchmark37_conjunctive.i [2024-09-12 20:11:36,784 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-12 20:11:36,972 INFO L384 CDTParser]: Found 1 translation units. [2024-09-12 20:11:36,973 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-zilu/benchmark37_conjunctive.i [2024-09-12 20:11:36,987 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/a62a3cdd8/e34f06eadbab45a58287de37701e8e58/FLAG6cb2eca1b [2024-09-12 20:11:37,003 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/a62a3cdd8/e34f06eadbab45a58287de37701e8e58 [2024-09-12 20:11:37,006 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-12 20:11:37,006 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-12 20:11:37,007 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/automizer-verification-files/SV-COMP24_unreach-call/benchmark37_conjunctive.yml/witness-2.1.yml [2024-09-12 20:11:37,057 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-12 20:11:37,058 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-09-12 20:11:37,060 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-12 20:11:37,061 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-12 20:11:37,066 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-12 20:11:37,068 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.09 08:11:37" (1/2) ... [2024-09-12 20:11:37,069 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6d2049ab and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.09 08:11:37, skipping insertion in model container [2024-09-12 20:11:37,069 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.09 08:11:37" (1/2) ... [2024-09-12 20:11:37,070 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@504022ca and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.09 08:11:37, skipping insertion in model container [2024-09-12 20:11:37,071 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 12.09 08:11:37" (2/2) ... [2024-09-12 20:11:37,071 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6d2049ab and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 12.09 08:11:37, skipping insertion in model container [2024-09-12 20:11:37,071 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 12.09 08:11:37" (2/2) ... [2024-09-12 20:11:37,083 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-12 20:11:37,085 INFO L1541 ArrayList]: Loop invariant at [L23-L26] (((0 <= y) && (x <= y)) && (y <= 2147483647)) [2024-09-12 20:11:37,086 INFO L1541 ArrayList]: Function contract at [L14]: requires (\old(cond) != 0), ensures (\old(cond) != 0) [2024-09-12 20:11:37,104 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-12 20:11:37,265 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-zilu/benchmark37_conjunctive.i[873,886] [2024-09-12 20:11:37,282 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-12 20:11:37,290 INFO L200 MainTranslator]: Completed pre-run Start Parsing Global Start Parsing Global [2024-09-12 20:11:37,330 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-zilu/benchmark37_conjunctive.i[873,886] Start Parsing Local [2024-09-12 20:11:37,335 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-12 20:11:37,350 INFO L204 MainTranslator]: Completed translation [2024-09-12 20:11:37,351 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 12.09 08:11:37 WrapperNode [2024-09-12 20:11:37,351 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-12 20:11:37,352 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-12 20:11:37,352 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-12 20:11:37,353 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-12 20:11:37,365 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 12.09 08:11:37" (1/1) ... [2024-09-12 20:11:37,365 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 12.09 08:11:37" (1/1) ... [2024-09-12 20:11:37,372 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 12.09 08:11:37" (1/1) ... [2024-09-12 20:11:37,383 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 [2024-09-12 20:11:37,385 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 12.09 08:11:37" (1/1) ... [2024-09-12 20:11:37,385 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 12.09 08:11:37" (1/1) ... [2024-09-12 20:11:37,389 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 12.09 08:11:37" (1/1) ... [2024-09-12 20:11:37,392 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 12.09 08:11:37" (1/1) ... [2024-09-12 20:11:37,394 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 12.09 08:11:37" (1/1) ... [2024-09-12 20:11:37,395 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 12.09 08:11:37" (1/1) ... [2024-09-12 20:11:37,399 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-12 20:11:37,400 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-12 20:11:37,400 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-12 20:11:37,400 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-12 20:11:37,401 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 12.09 08:11:37" (1/1) ... [2024-09-12 20:11:37,407 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-12 20:11:37,415 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-09-12 20:11:37,437 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) [2024-09-12 20:11:37,443 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 [2024-09-12 20:11:37,485 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-09-12 20:11:37,486 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-12 20:11:37,486 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-09-12 20:11:37,486 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-09-12 20:11:37,486 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-09-12 20:11:37,486 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-09-12 20:11:37,487 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_perror_fail [2024-09-12 20:11:37,487 INFO L130 BoogieDeclarations]: Found specification of procedure __assert [2024-09-12 20:11:37,487 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-09-12 20:11:37,487 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-12 20:11:37,487 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2024-09-12 20:11:37,487 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_bool [2024-09-12 20:11:37,488 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-09-12 20:11:37,488 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-09-12 20:11:37,488 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-09-12 20:11:37,488 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-09-12 20:11:37,488 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-12 20:11:37,489 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-09-12 20:11:37,489 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-09-12 20:11:37,489 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-09-12 20:11:37,551 INFO L242 CfgBuilder]: Building ICFG [2024-09-12 20:11:37,555 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-12 20:11:37,640 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-12 20:11:37,677 INFO L? ?]: Removed 16 outVars from TransFormulas that were not future-live. [2024-09-12 20:11:37,678 INFO L291 CfgBuilder]: Performing block encoding [2024-09-12 20:11:37,698 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-12 20:11:37,698 INFO L318 CfgBuilder]: Removed 1 assume(true) statements. [2024-09-12 20:11:37,701 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.09 08:11:37 BoogieIcfgContainer [2024-09-12 20:11:37,701 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-12 20:11:37,702 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-09-12 20:11:37,702 INFO L270 PluginConnector]: Initializing Referee... [2024-09-12 20:11:37,703 INFO L274 PluginConnector]: Referee initialized [2024-09-12 20:11:37,703 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 12.09 08:11:37" (1/4) ... [2024-09-12 20:11:37,703 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@4cb59ec3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 12.09 08:11:37, skipping insertion in model container [2024-09-12 20:11:37,703 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 12.09 08:11:37" (2/4) ... [2024-09-12 20:11:37,704 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@4cb59ec3 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 12.09 08:11:37, skipping insertion in model container [2024-09-12 20:11:37,704 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 12.09 08:11:37" (3/4) ... [2024-09-12 20:11:37,704 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@4cb59ec3 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 12.09 08:11:37, skipping insertion in model container [2024-09-12 20:11:37,705 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.09 08:11:37" (4/4) ... [2024-09-12 20:11:37,706 INFO L79 RefereeObserver]: Analyzing ICFG benchmark37_conjunctive.i [2024-09-12 20:11:37,710 INFO L112 InvariantChecker]: Found 1 loops. [2024-09-12 20:11:37,711 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L23-3 to ERROR_LOC mainErr1ASSERT_VIOLATIONINTEGER_OVERFLOW. Corresponding subgraph has 3 edges. [2024-09-12 20:11:37,714 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L23-3 to ERROR_LOC mainErr5REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 4 edges. [2024-09-12 20:11:37,714 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L23-3 to ERROR_LOC mainErr2ASSERT_VIOLATIONINTEGER_OVERFLOW. Corresponding subgraph has 4 edges. [2024-09-12 20:11:37,714 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L23-3 to ERROR_LOC mainErr4ASSERT_VIOLATIONINTEGER_OVERFLOW. Corresponding subgraph has 6 edges. [2024-09-12 20:11:37,715 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 3 edges. [2024-09-12 20:11:37,715 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L23-3 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 7 edges. [2024-09-12 20:11:37,715 INFO L367 InvariantChecker]: Will check inductivity from ENTRY __VERIFIER_assertENTRY to ERROR_LOC __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 5 edges. [2024-09-12 20:11:37,715 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L23-3 to ERROR_LOC mainErr3ASSERT_VIOLATIONINTEGER_OVERFLOW. Corresponding subgraph has 5 edges. [2024-09-12 20:11:37,715 INFO L367 InvariantChecker]: Will check inductivity from ENTRY __VERIFIER_assertENTRY to ERROR_LOC __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 3 edges. [2024-09-12 20:11:37,716 INFO L130 InvariantChecker]: Will check 5 loop-free subgraphs from loop head to error location, 2 loop-free subgraphs from procedure entry to error location, 1 loop-free subgraphs from procedure entry to loop head, 1 loop-free subgraphs from loop head to loop head [2024-09-12 20:11:37,760 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-12 20:11:37,761 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-12 20:11:37,761 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-12 20:11:37,762 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-12 20:11:37,763 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-12 20:11:37,765 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 20:11:37,781 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-12 20:11:37,782 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 20:11:37,782 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-12 20:11:37,782 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-12 20:11:37,782 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-12 20:11:37,783 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-12 20:11:37,803 INFO L514 InvariantChecker]: The annotation(s) from loop head L23-3 to error location mainErr1ASSERT_VIOLATIONINTEGER_OVERFLOW is inductive. [2024-09-12 20:11:37,823 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 4 edges [2024-09-12 20:11:37,823 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-12 20:11:37,824 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-12 20:11:37,824 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-12 20:11:37,824 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-12 20:11:37,824 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 20:11:37,829 INFO L101 BaseMinimizeStates]: Removed 6 edges and 2 locations by large block encoding [2024-09-12 20:11:37,832 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 20:11:37,832 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-12 20:11:37,832 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-12 20:11:37,832 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-12 20:11:37,836 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-12 20:11:37,842 INFO L514 InvariantChecker]: The annotation(s) from loop head L23-3 to error location mainErr5REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-12 20:11:37,853 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 4 edges [2024-09-12 20:11:37,854 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-12 20:11:37,855 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-12 20:11:37,855 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-12 20:11:37,855 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-12 20:11:37,856 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 20:11:37,861 INFO L101 BaseMinimizeStates]: Removed 6 edges and 3 locations by large block encoding [2024-09-12 20:11:37,861 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 20:11:37,861 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-12 20:11:37,862 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-12 20:11:37,862 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-12 20:11:37,862 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-12 20:11:37,864 INFO L514 InvariantChecker]: The annotation(s) from loop head L23-3 to error location mainErr2ASSERT_VIOLATIONINTEGER_OVERFLOW is inductive. [2024-09-12 20:11:37,872 INFO L314 BlockEncoder]: Initial Icfg 7 locations, 6 edges [2024-09-12 20:11:37,873 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-12 20:11:37,873 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-12 20:11:37,873 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-12 20:11:37,873 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-12 20:11:37,873 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 20:11:37,882 INFO L101 BaseMinimizeStates]: Removed 10 edges and 5 locations by large block encoding [2024-09-12 20:11:37,882 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 20:11:37,882 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-12 20:11:37,883 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-12 20:11:37,883 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-12 20:11:37,883 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-12 20:11:37,885 INFO L514 InvariantChecker]: The annotation(s) from loop head L23-3 to error location mainErr4ASSERT_VIOLATIONINTEGER_OVERFLOW is inductive. [2024-09-12 20:11:37,895 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-12 20:11:37,895 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-12 20:11:37,895 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-12 20:11:37,895 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-12 20:11:37,895 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-12 20:11:37,895 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 20:11:37,903 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-12 20:11:37,903 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 20:11:37,903 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-12 20:11:37,904 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-12 20:11:37,904 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-12 20:11:37,904 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-12 20:11:37,910 INFO L514 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-12 20:11:37,924 INFO L314 BlockEncoder]: Initial Icfg 8 locations, 7 edges [2024-09-12 20:11:37,925 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-12 20:11:37,925 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-12 20:11:37,925 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-12 20:11:37,925 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-12 20:11:37,925 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 20:11:37,939 INFO L101 BaseMinimizeStates]: Removed 12 edges and 6 locations by large block encoding [2024-09-12 20:11:37,940 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 20:11:37,940 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-12 20:11:37,940 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-12 20:11:37,940 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-12 20:11:37,940 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-12 20:11:37,943 INFO L514 InvariantChecker]: The annotation(s) from loop head L23-3 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-12 20:11:37,950 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 5 edges [2024-09-12 20:11:37,950 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-12 20:11:37,950 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-12 20:11:37,950 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-12 20:11:37,951 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-12 20:11:37,951 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 20:11:37,953 INFO L101 BaseMinimizeStates]: Removed 8 edges and 3 locations by large block encoding [2024-09-12 20:11:37,953 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 20:11:37,953 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-12 20:11:37,954 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-12 20:11:37,954 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-12 20:11:37,954 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-12 20:11:37,956 INFO L514 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-12 20:11:37,967 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 5 edges [2024-09-12 20:11:37,967 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-12 20:11:37,967 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-12 20:11:37,967 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-12 20:11:37,967 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-12 20:11:37,967 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 20:11:37,974 INFO L101 BaseMinimizeStates]: Removed 8 edges and 4 locations by large block encoding [2024-09-12 20:11:37,975 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 20:11:37,976 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-12 20:11:37,977 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-12 20:11:37,977 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-12 20:11:37,977 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-12 20:11:37,981 INFO L514 InvariantChecker]: The annotation(s) from loop head L23-3 to error location mainErr3ASSERT_VIOLATIONINTEGER_OVERFLOW is inductive. [2024-09-12 20:11:37,990 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-12 20:11:37,990 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-12 20:11:37,991 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-12 20:11:37,991 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-12 20:11:37,993 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-12 20:11:37,993 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 20:11:37,995 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-12 20:11:37,995 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 20:11:37,995 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-12 20:11:37,995 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-12 20:11:37,995 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-12 20:11:37,995 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-12 20:11:37,999 INFO L514 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION is inductive. [2024-09-12 20:11:38,003 INFO L58 RefereeStarter]: Annotation is a valid proof of correctness [2024-09-12 20:11:38,003 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@4cb59ec3 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CFG 12.09 08:11:38, skipping insertion in model container [2024-09-12 20:11:38,003 INFO L131 PluginConnector]: ------------------------ END Referee---------------------------- [2024-09-12 20:11:38,005 INFO L158 Benchmark]: Toolchain (without parser) took 946.50ms. Allocated memory is still 151.0MB. Free memory was 101.2MB in the beginning and 48.1MB in the end (delta: 53.1MB). Peak memory consumption was 52.4MB. Max. memory is 16.1GB. [2024-09-12 20:11:38,006 INFO L158 Benchmark]: CDTParser took 0.19ms. Allocated memory is still 151.0MB. Free memory was 119.4MB in the beginning and 119.1MB in the end (delta: 243.4kB). There was no memory consumed. Max. memory is 16.1GB. [2024-09-12 20:11:38,006 INFO L158 Benchmark]: Witness Parser took 2.00ms. Allocated memory is still 151.0MB. Free memory is still 102.7MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-12 20:11:38,007 INFO L158 Benchmark]: CACSL2BoogieTranslator took 291.29ms. Allocated memory is still 151.0MB. Free memory was 100.6MB in the beginning and 87.8MB in the end (delta: 12.7MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-09-12 20:11:38,008 INFO L158 Benchmark]: Boogie Preprocessor took 47.17ms. Allocated memory is still 151.0MB. Free memory was 87.8MB in the beginning and 85.9MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-09-12 20:11:38,008 INFO L158 Benchmark]: RCFGBuilder took 301.46ms. Allocated memory is still 151.0MB. Free memory was 85.9MB in the beginning and 72.6MB in the end (delta: 13.2MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-09-12 20:11:38,009 INFO L158 Benchmark]: Referee took 301.61ms. Allocated memory is still 151.0MB. Free memory was 72.6MB in the beginning and 48.1MB in the end (delta: 24.5MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-09-12 20:11:38,014 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 23 to check that integer overflow can never occur at line 24. 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 16. 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 23 to check that integer overflow can never occur at line 25. Annotation is valid for all loop-free paths from loop head at line 23 to check that integer overflow can never occur at line 25. Annotation is valid for all loop-free paths from loop head at line 23 to check that integer overflow can never occur at line 24. Annotation is valid for all loop-free paths from entry of procedure main to loop head at line 23. Annotation is valid for all loop-free paths from loop head at line 23 to check that procedure precondition always holds at line 23. Annotation is valid for all loop-free paths from entry of procedure __VERIFIER_assert to exit of procedure __VERIFIER_assert. * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19ms. Allocated memory is still 151.0MB. Free memory was 119.4MB in the beginning and 119.1MB in the end (delta: 243.4kB). There was no memory consumed. Max. memory is 16.1GB. * Witness Parser took 2.00ms. Allocated memory is still 151.0MB. Free memory is still 102.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 291.29ms. Allocated memory is still 151.0MB. Free memory was 100.6MB in the beginning and 87.8MB in the end (delta: 12.7MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Preprocessor took 47.17ms. Allocated memory is still 151.0MB. Free memory was 87.8MB in the beginning and 85.9MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 301.46ms. Allocated memory is still 151.0MB. Free memory was 85.9MB in the beginning and 72.6MB in the end (delta: 13.2MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Referee took 301.61ms. Allocated memory is still 151.0MB. Free memory was 72.6MB in the beginning and 48.1MB in the end (delta: 24.5MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-09-12 20:11:38,040 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