./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/loop-lit/ddlm2013.i --full-output --witness-type correctness_witness --cacsl2boogietranslator.check.absence.of.signed.integer.overflows true --validate ../results/automizer-verification-files/SV-COMP24_unreach-call/ddlm2013.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-lit/ddlm2013.i ../results/automizer-verification-files/SV-COMP24_unreach-call/ddlm2013.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 20:10:58,138 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-12 20:10:58,207 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Default.epf [2024-09-12 20:10:58,211 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-12 20:10:58,212 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-12 20:10:58,234 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-12 20:10:58,235 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-12 20:10:58,235 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-12 20:10:58,236 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-12 20:10:58,237 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-12 20:10:58,238 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-12 20:10:58,238 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-12 20:10:58,239 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-12 20:10:58,239 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-12 20:10:58,239 INFO L153 SettingsManager]: * Use SBE=true [2024-09-12 20:10:58,240 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-12 20:10:58,240 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-12 20:10:58,243 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-12 20:10:58,245 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-09-12 20:10:58,245 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-12 20:10:58,246 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-12 20:10:58,247 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-12 20:10:58,247 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-12 20:10:58,247 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-12 20:10:58,248 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-12 20:10:58,248 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-12 20:10:58,248 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-12 20:10:58,248 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-12 20:10:58,249 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-12 20:10:58,249 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-12 20:10:58,250 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-12 20:10:58,250 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-12 20:10:58,250 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-12 20:10:58,251 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-12 20:10:58,251 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-12 20:10:58,252 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-12 20:10:58,252 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-09-12 20:10:58,252 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-09-12 20:10:58,252 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-12 20:10:58,252 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-12 20:10:58,253 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-12 20:10:58,253 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-12 20:10:58,254 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check absence of signed integer overflows -> true [2024-09-12 20:10:58,505 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-12 20:10:58,527 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-12 20:10:58,531 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-12 20:10:58,532 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-12 20:10:58,532 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-12 20:10:58,533 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/automizer-verification-files/SV-COMP24_unreach-call/ddlm2013.yml/witness-2.1.yml [2024-09-12 20:10:58,615 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-12 20:10:58,615 INFO L274 PluginConnector]: CDTParser initialized [2024-09-12 20:10:58,616 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/loop-lit/ddlm2013.i [2024-09-12 20:11:00,013 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-12 20:11:00,227 INFO L384 CDTParser]: Found 1 translation units. [2024-09-12 20:11:00,227 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-lit/ddlm2013.i [2024-09-12 20:11:00,235 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/ed2182ad5/85f0afc6e19e4c1589ad2719fc7f8d4e/FLAG6c62ff19e [2024-09-12 20:11:00,249 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/ed2182ad5/85f0afc6e19e4c1589ad2719fc7f8d4e [2024-09-12 20:11:00,249 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-12 20:11:00,250 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-09-12 20:11:00,253 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-12 20:11:00,253 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-12 20:11:00,258 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-12 20:11:00,259 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 08:10:58" (1/2) ... [2024-09-12 20:11:00,260 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@263ab674 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 12.09 08:11:00, skipping insertion in model container [2024-09-12 20:11:00,260 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 08:10:58" (1/2) ... [2024-09-12 20:11:00,262 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@2e247652 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 12.09 08:11:00, skipping insertion in model container [2024-09-12 20:11:00,262 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.09 08:11:00" (2/2) ... [2024-09-12 20:11:00,263 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@263ab674 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.09 08:11:00, skipping insertion in model container [2024-09-12 20:11:00,263 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.09 08:11:00" (2/2) ... [2024-09-12 20:11:00,274 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-12 20:11:00,275 INFO L1541 ArrayList]: Loop invariant at [L35-L44] ((flag == 0) || (((0 == (i % 2)) && ((a % 4294967296) == (b % 4294967296))) && ((((long long) a + 1) % 4294967296) == (((b + j) + ((unsigned long long) i * 4294967295)) % 4294967296)))) [2024-09-12 20:11:00,275 INFO L1541 ArrayList]: Function contract at [L17]: requires (\old(cond) != 0), ensures (\old(cond) != 0) [2024-09-12 20:11:00,293 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-12 20:11:00,515 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-lit/ddlm2013.i[895,908] [2024-09-12 20:11:00,530 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-12 20:11:00,538 INFO L200 MainTranslator]: Completed pre-run Start Parsing Global Start Parsing Global [2024-09-12 20:11:00,568 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-lit/ddlm2013.i[895,908] Start Parsing Local [2024-09-12 20:11:00,577 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-12 20:11:00,596 INFO L204 MainTranslator]: Completed translation [2024-09-12 20:11:00,597 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.09 08:11:00 WrapperNode [2024-09-12 20:11:00,597 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-12 20:11:00,598 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-12 20:11:00,598 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-12 20:11:00,598 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-12 20:11:00,613 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.09 08:11:00" (1/1) ... [2024-09-12 20:11:00,613 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.09 08:11:00" (1/1) ... [2024-09-12 20:11:00,620 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.09 08:11:00" (1/1) ... [2024-09-12 20:11:00,633 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 20:11:00,633 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.09 08:11:00" (1/1) ... [2024-09-12 20:11:00,633 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.09 08:11:00" (1/1) ... [2024-09-12 20:11:00,637 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.09 08:11:00" (1/1) ... [2024-09-12 20:11:00,641 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.09 08:11:00" (1/1) ... [2024-09-12 20:11:00,643 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.09 08:11:00" (1/1) ... [2024-09-12 20:11:00,644 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.09 08:11:00" (1/1) ... [2024-09-12 20:11:00,646 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-12 20:11:00,650 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-12 20:11:00,650 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-12 20:11:00,651 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-12 20:11:00,652 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.09 08:11:00" (1/1) ... [2024-09-12 20:11:00,657 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-12 20:11:00,665 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-09-12 20:11:00,678 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 20:11:00,681 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 20:11:00,722 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-09-12 20:11:00,722 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-12 20:11:00,722 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-09-12 20:11:00,722 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-09-12 20:11:00,722 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-09-12 20:11:00,723 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-09-12 20:11:00,723 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-09-12 20:11:00,723 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-09-12 20:11:00,723 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_perror_fail [2024-09-12 20:11:00,723 INFO L130 BoogieDeclarations]: Found specification of procedure __assert [2024-09-12 20:11:00,723 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-09-12 20:11:00,724 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-12 20:11:00,724 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-09-12 20:11:00,724 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-09-12 20:11:00,724 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2024-09-12 20:11:00,724 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-09-12 20:11:00,725 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-09-12 20:11:00,725 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-09-12 20:11:00,725 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-12 20:11:00,725 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-09-12 20:11:00,725 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-09-12 20:11:00,725 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-09-12 20:11:00,786 INFO L242 CfgBuilder]: Building ICFG [2024-09-12 20:11:00,789 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-12 20:11:00,999 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-12 20:11:01,037 INFO L? ?]: Removed 20 outVars from TransFormulas that were not future-live. [2024-09-12 20:11:01,037 INFO L291 CfgBuilder]: Performing block encoding [2024-09-12 20:11:01,061 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-12 20:11:01,062 INFO L318 CfgBuilder]: Removed 1 assume(true) statements. [2024-09-12 20:11:01,062 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.09 08:11:01 BoogieIcfgContainer [2024-09-12 20:11:01,063 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-12 20:11:01,063 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-09-12 20:11:01,064 INFO L270 PluginConnector]: Initializing Referee... [2024-09-12 20:11:01,065 INFO L274 PluginConnector]: Referee initialized [2024-09-12 20:11:01,065 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 08:10:58" (1/4) ... [2024-09-12 20:11:01,066 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@57186f87 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 12.09 08:11:01, skipping insertion in model container [2024-09-12 20:11:01,067 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 12.09 08:11:00" (2/4) ... [2024-09-12 20:11:01,068 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@57186f87 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 12.09 08:11:01, skipping insertion in model container [2024-09-12 20:11:01,068 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.09 08:11:00" (3/4) ... [2024-09-12 20:11:01,068 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@57186f87 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 12.09 08:11:01, skipping insertion in model container [2024-09-12 20:11:01,068 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.09 08:11:01" (4/4) ... [2024-09-12 20:11:01,070 INFO L79 RefereeObserver]: Analyzing ICFG ddlm2013.i [2024-09-12 20:11:01,073 INFO L112 InvariantChecker]: Found 1 loops. [2024-09-12 20:11:01,074 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr2ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 6 edges. [2024-09-12 20:11:01,075 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr1ASSERT_VIOLATIONINTEGER_OVERFLOW. Corresponding subgraph has 5 edges. [2024-09-12 20:11:01,076 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L35-7 to ERROR_LOC mainErr5ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 7 edges. [2024-09-12 20:11:01,076 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L35-7 to ERROR_LOC mainErr4ASSERT_VIOLATIONINTEGER_OVERFLOW. Corresponding subgraph has 6 edges. [2024-09-12 20:11:01,076 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L35-7 to ERROR_LOC mainErr6REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 5 edges. [2024-09-12 20:11:01,077 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr0ASSERT_VIOLATIONINTEGER_OVERFLOW. Corresponding subgraph has 4 edges. [2024-09-12 20:11:01,077 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 20:11:01,077 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L35-7 to ERROR_LOC mainErr3ASSERT_VIOLATIONINTEGER_OVERFLOW. Corresponding subgraph has 5 edges. [2024-09-12 20:11:01,077 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 20:11:01,077 INFO L130 InvariantChecker]: Will check 4 loop-free subgraphs from loop head to error location, 5 loop-free subgraphs from procedure entry to error location [2024-09-12 20:11:01,127 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 6 edges [2024-09-12 20:11:01,129 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-12 20:11:01,129 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-12 20:11:01,130 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-12 20:11:01,132 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-12 20:11:01,134 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 20:11:01,164 INFO L101 BaseMinimizeStates]: Removed 12 edges and 4 locations by large block encoding [2024-09-12 20:11:01,165 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 20:11:01,166 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-12 20:11:01,166 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-12 20:11:01,170 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-12 20:11:01,174 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-12 20:11:01,195 INFO L514 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to loop head mainErr2ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-12 20:11:01,214 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 5 edges [2024-09-12 20:11:01,214 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-12 20:11:01,215 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-12 20:11:01,215 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-12 20:11:01,215 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-12 20:11:01,215 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 20:11:01,226 INFO L101 BaseMinimizeStates]: Removed 9 edges and 3 locations by large block encoding [2024-09-12 20:11:01,226 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 20:11:01,226 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-12 20:11:01,226 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-12 20:11:01,226 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-12 20:11:01,230 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-12 20:11:01,232 INFO L514 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to error location mainErr1ASSERT_VIOLATIONINTEGER_OVERFLOW is inductive. [2024-09-12 20:11:01,250 INFO L314 BlockEncoder]: Initial Icfg 7 locations, 7 edges [2024-09-12 20:11:01,250 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-12 20:11:01,250 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-12 20:11:01,254 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-12 20:11:01,254 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-12 20:11:01,254 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 20:11:01,291 INFO L101 BaseMinimizeStates]: Removed 14 edges and 5 locations by large block encoding [2024-09-12 20:11:01,291 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 20:11:01,291 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-12 20:11:01,292 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-12 20:11:01,292 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-12 20:11:01,301 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-12 20:11:01,327 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 6 edges [2024-09-12 20:11:01,327 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-12 20:11:01,327 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-12 20:11:01,327 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-12 20:11:01,327 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-12 20:11:01,327 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 20:11:01,340 INFO L101 BaseMinimizeStates]: Removed 11 edges and 4 locations by large block encoding [2024-09-12 20:11:01,343 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 20:11:01,343 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-12 20:11:01,343 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-12 20:11:01,343 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-12 20:11:01,344 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-12 20:11:01,346 INFO L514 InvariantChecker]: The annotation(s) from loop head L35-7 to error location mainErr4ASSERT_VIOLATIONINTEGER_OVERFLOW is inductive. [2024-09-12 20:11:01,357 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 5 edges [2024-09-12 20:11:01,358 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-12 20:11:01,358 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-12 20:11:01,359 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-12 20:11:01,359 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-12 20:11:01,359 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 20:11:01,362 INFO L101 BaseMinimizeStates]: Removed 8 edges and 3 locations by large block encoding [2024-09-12 20:11:01,362 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 20:11:01,362 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-12 20:11:01,363 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-12 20:11:01,363 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-12 20:11:01,363 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-12 20:11:01,378 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 4 edges [2024-09-12 20:11:01,379 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-12 20:11:01,379 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-12 20:11:01,379 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-12 20:11:01,379 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-12 20:11:01,379 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 20:11:01,383 INFO L101 BaseMinimizeStates]: Removed 6 edges and 2 locations by large block encoding [2024-09-12 20:11:01,383 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 20:11:01,383 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-12 20:11:01,383 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-12 20:11:01,383 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-12 20:11:01,384 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-12 20:11:01,386 INFO L514 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to error location mainErr0ASSERT_VIOLATIONINTEGER_OVERFLOW is inductive. [2024-09-12 20:11:01,396 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 5 edges [2024-09-12 20:11:01,396 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-12 20:11:01,397 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-12 20:11:01,397 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-12 20:11:01,397 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-12 20:11:01,397 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 20:11:01,399 INFO L101 BaseMinimizeStates]: Removed 8 edges and 3 locations by large block encoding [2024-09-12 20:11:01,399 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 20:11:01,400 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-12 20:11:01,400 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-12 20:11:01,400 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-12 20:11:01,401 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-12 20:11:01,402 INFO L514 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-12 20:11:01,413 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 5 edges [2024-09-12 20:11:01,413 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-12 20:11:01,413 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-12 20:11:01,413 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-12 20:11:01,413 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-12 20:11:01,414 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 20:11:01,423 INFO L101 BaseMinimizeStates]: Removed 8 edges and 3 locations by large block encoding [2024-09-12 20:11:01,423 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 20:11:01,423 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-12 20:11:01,424 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-12 20:11:01,424 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-12 20:11:01,425 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-12 20:11:01,427 INFO L514 InvariantChecker]: The annotation(s) from loop head L35-7 to error location mainErr3ASSERT_VIOLATIONINTEGER_OVERFLOW is inductive. [2024-09-12 20:11:01,437 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-12 20:11:01,438 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-12 20:11:01,439 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-12 20:11:01,439 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-12 20:11:01,439 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-12 20:11:01,439 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 20:11:01,441 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-12 20:11:01,442 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 20:11:01,442 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-12 20:11:01,442 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-12 20:11:01,442 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-12 20:11:01,442 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-12 20:11:01,448 INFO L514 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION is inductive. [2024-09-12 20:11:01,456 INFO L58 RefereeStarter]: Annotation is not a valid proof of correctness. [2024-09-12 20:11:01,457 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@57186f87 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee CFG 12.09 08:11:01, skipping insertion in model container [2024-09-12 20:11:01,457 INFO L131 PluginConnector]: ------------------------ END Referee---------------------------- [2024-09-12 20:11:01,459 INFO L158 Benchmark]: Toolchain (without parser) took 1207.61ms. Allocated memory is still 176.2MB. Free memory was 104.1MB in the beginning and 85.5MB in the end (delta: 18.7MB). Peak memory consumption was 18.7MB. Max. memory is 16.1GB. [2024-09-12 20:11:01,459 INFO L158 Benchmark]: Witness Parser took 0.19ms. Allocated memory is still 176.2MB. Free memory was 132.3MB in the beginning and 132.2MB in the end (delta: 160.8kB). There was no memory consumed. Max. memory is 16.1GB. [2024-09-12 20:11:01,459 INFO L158 Benchmark]: CDTParser took 0.09ms. Allocated memory is still 176.2MB. Free memory is still 149.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-12 20:11:01,460 INFO L158 Benchmark]: CACSL2BoogieTranslator took 344.20ms. Allocated memory is still 176.2MB. Free memory was 104.0MB in the beginning and 142.8MB in the end (delta: -38.8MB). Peak memory consumption was 12.4MB. Max. memory is 16.1GB. [2024-09-12 20:11:01,460 INFO L158 Benchmark]: Boogie Preprocessor took 48.24ms. Allocated memory is still 176.2MB. Free memory was 142.8MB in the beginning and 140.7MB in the end (delta: 2.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-09-12 20:11:01,461 INFO L158 Benchmark]: RCFGBuilder took 412.48ms. Allocated memory is still 176.2MB. Free memory was 140.0MB in the beginning and 122.6MB in the end (delta: 17.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-09-12 20:11:01,461 INFO L158 Benchmark]: Referee took 393.48ms. Allocated memory is still 176.2MB. Free memory was 122.6MB in the beginning and 85.5MB in the end (delta: 37.1MB). Peak memory consumption was 37.7MB. Max. memory is 16.1GB. [2024-09-12 20:11:01,464 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 35 to check that invariant of correctness witness holds at line 35. One counterexample starts in a=0, b=0, flag=3, i=1, j=0 and ends in . Annotation is not valid for all loop-free paths from loop head at line 35 to check that procedure precondition always holds at line 46. One counterexample starts in a=0, b=1, flag=2 and ends in . Annotation is valid for all loop-free paths from entry of procedure main to check that integer overflow can never occur at line 35. Annotation is valid for all loop-free paths from loop head at line 35 to check that integer overflow can never occur at line 35. 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 19. Annotation is valid for all loop-free paths from loop head at line 35 to check that integer overflow can never occur at line 39. Annotation is valid for all loop-free paths from entry of procedure main to check that invariant of correctness witness holds at line 35. Annotation is valid for all loop-free paths from entry of procedure main to check that integer overflow can never occur at line 30. 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: * Witness Parser took 0.19ms. Allocated memory is still 176.2MB. Free memory was 132.3MB in the beginning and 132.2MB in the end (delta: 160.8kB). There was no memory consumed. Max. memory is 16.1GB. * CDTParser took 0.09ms. Allocated memory is still 176.2MB. Free memory is still 149.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 344.20ms. Allocated memory is still 176.2MB. Free memory was 104.0MB in the beginning and 142.8MB in the end (delta: -38.8MB). Peak memory consumption was 12.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 48.24ms. Allocated memory is still 176.2MB. Free memory was 142.8MB in the beginning and 140.7MB in the end (delta: 2.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 412.48ms. Allocated memory is still 176.2MB. Free memory was 140.0MB in the beginning and 122.6MB in the end (delta: 17.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Referee took 393.48ms. Allocated memory is still 176.2MB. Free memory was 122.6MB in the beginning and 85.5MB in the end (delta: 37.1MB). Peak memory consumption was 37.7MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-09-12 20:11:01,499 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 Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE