./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/loops-crafted-1/sumt6.c --full-output --witness-type correctness_witness --cacsl2boogietranslator.check.absence.of.signed.integer.overflows true --validate ../results/automizer-verification-files/SV-COMP24_unreach-call/sumt6.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/loops-crafted-1/sumt6.c ../results/automizer-verification-files/SV-COMP24_unreach-call/sumt6.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 20:11:14,689 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-12 20:11:14,740 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Default.epf [2024-09-12 20:11:14,744 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-12 20:11:14,745 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-12 20:11:14,764 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-12 20:11:14,764 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-12 20:11:14,764 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-12 20:11:14,765 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-12 20:11:14,765 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-12 20:11:14,765 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-12 20:11:14,765 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-12 20:11:14,766 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-12 20:11:14,766 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-12 20:11:14,766 INFO L153 SettingsManager]: * Use SBE=true [2024-09-12 20:11:14,766 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-12 20:11:14,767 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-12 20:11:14,767 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-12 20:11:14,767 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-09-12 20:11:14,767 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-12 20:11:14,767 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-12 20:11:14,768 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-12 20:11:14,768 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-12 20:11:14,769 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-12 20:11:14,769 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-12 20:11:14,769 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-12 20:11:14,769 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-12 20:11:14,769 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-12 20:11:14,770 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-12 20:11:14,770 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-12 20:11:14,770 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-12 20:11:14,770 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-12 20:11:14,770 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-12 20:11:14,771 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-12 20:11:14,771 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-12 20:11:14,771 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-12 20:11:14,771 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-09-12 20:11:14,771 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-09-12 20:11:14,772 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-12 20:11:14,772 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-12 20:11:14,772 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-12 20:11:14,772 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-12 20:11:14,772 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check absence of signed integer overflows -> true [2024-09-12 20:11:14,947 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-12 20:11:14,967 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-12 20:11:14,969 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-12 20:11:14,970 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-12 20:11:14,970 INFO L274 PluginConnector]: CDTParser initialized [2024-09-12 20:11:14,971 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/loops-crafted-1/sumt6.c [2024-09-12 20:11:16,236 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-12 20:11:16,383 INFO L384 CDTParser]: Found 1 translation units. [2024-09-12 20:11:16,383 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loops-crafted-1/sumt6.c [2024-09-12 20:11:16,389 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/3574ddf3c/c40ad29b08d8480193c138154c2854d5/FLAGfe8f6d615 [2024-09-12 20:11:16,399 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/3574ddf3c/c40ad29b08d8480193c138154c2854d5 [2024-09-12 20:11:16,402 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-12 20:11:16,403 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-12 20:11:16,404 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/automizer-verification-files/SV-COMP24_unreach-call/sumt6.yml/witness-2.1.yml [2024-09-12 20:11:16,441 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-12 20:11:16,442 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-09-12 20:11:16,443 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-12 20:11:16,443 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-12 20:11:16,447 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-12 20:11:16,448 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.09 08:11:16" (1/2) ... [2024-09-12 20:11:16,450 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3410fb43 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.09 08:11:16, skipping insertion in model container [2024-09-12 20:11:16,450 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.09 08:11:16" (1/2) ... [2024-09-12 20:11:16,451 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@5f7d87be and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.09 08:11:16, skipping insertion in model container [2024-09-12 20:11:16,451 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 08:11:16" (2/2) ... [2024-09-12 20:11:16,451 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3410fb43 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 12.09 08:11:16, skipping insertion in model container [2024-09-12 20:11:16,452 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 08:11:16" (2/2) ... [2024-09-12 20:11:16,459 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-12 20:11:16,459 INFO L1541 ArrayList]: Loop invariant at [L21-L36] (((((((i + k) + j) + v3) + v2) + v4) % 4294967296) == (l % 4294967296)) [2024-09-12 20:11:16,460 INFO L1541 ArrayList]: Function contract at [L8]: requires (\old(cond) != 0), ensures (\old(cond) != 0) [2024-09-12 20:11:16,494 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-12 20:11:16,623 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/loops-crafted-1/sumt6.c[403,416] [2024-09-12 20:11:16,644 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-12 20:11:16,650 INFO L200 MainTranslator]: Completed pre-run Start Parsing Global Start Parsing Global [2024-09-12 20:11:16,679 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/loops-crafted-1/sumt6.c[403,416] Start Parsing Local [2024-09-12 20:11:16,686 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-12 20:11:16,698 INFO L204 MainTranslator]: Completed translation [2024-09-12 20:11:16,699 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 12.09 08:11:16 WrapperNode [2024-09-12 20:11:16,699 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-12 20:11:16,699 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-12 20:11:16,700 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-12 20:11:16,700 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-12 20:11:16,711 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 08:11:16" (1/1) ... [2024-09-12 20:11:16,711 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 08:11:16" (1/1) ... [2024-09-12 20:11:16,716 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 08:11:16" (1/1) ... [2024-09-12 20:11:16,728 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 20:11:16,728 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 08:11:16" (1/1) ... [2024-09-12 20:11:16,728 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 08:11:16" (1/1) ... [2024-09-12 20:11:16,733 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 08:11:16" (1/1) ... [2024-09-12 20:11:16,739 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 08:11:16" (1/1) ... [2024-09-12 20:11:16,740 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 08:11:16" (1/1) ... [2024-09-12 20:11:16,743 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 08:11:16" (1/1) ... [2024-09-12 20:11:16,744 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-12 20:11:16,745 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-12 20:11:16,745 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-12 20:11:16,745 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-12 20:11:16,746 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 08:11:16" (1/1) ... [2024-09-12 20:11:16,750 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-12 20:11:16,756 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-09-12 20:11:16,768 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 20:11:16,769 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 20:11:16,801 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-09-12 20:11:16,801 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-12 20:11:16,801 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-09-12 20:11:16,801 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-09-12 20:11:16,801 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-09-12 20:11:16,801 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-09-12 20:11:16,801 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-09-12 20:11:16,802 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-09-12 20:11:16,802 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-09-12 20:11:16,802 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-12 20:11:16,802 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-09-12 20:11:16,802 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-09-12 20:11:16,802 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2024-09-12 20:11:16,802 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-09-12 20:11:16,802 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-09-12 20:11:16,803 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-09-12 20:11:16,803 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-12 20:11:16,803 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-09-12 20:11:16,803 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-09-12 20:11:16,803 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-09-12 20:11:16,854 INFO L242 CfgBuilder]: Building ICFG [2024-09-12 20:11:16,856 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-12 20:11:17,008 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-12 20:11:17,045 INFO L? ?]: Removed 27 outVars from TransFormulas that were not future-live. [2024-09-12 20:11:17,045 INFO L291 CfgBuilder]: Performing block encoding [2024-09-12 20:11:17,068 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-12 20:11:17,068 INFO L318 CfgBuilder]: Removed 1 assume(true) statements. [2024-09-12 20:11:17,068 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.09 08:11:17 BoogieIcfgContainer [2024-09-12 20:11:17,069 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-12 20:11:17,069 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-09-12 20:11:17,069 INFO L270 PluginConnector]: Initializing Referee... [2024-09-12 20:11:17,070 INFO L274 PluginConnector]: Referee initialized [2024-09-12 20:11:17,070 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 12.09 08:11:16" (1/4) ... [2024-09-12 20:11:17,072 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@724a31eb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 12.09 08:11:17, skipping insertion in model container [2024-09-12 20:11:17,072 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 08:11:16" (2/4) ... [2024-09-12 20:11:17,073 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@724a31eb and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 12.09 08:11:17, skipping insertion in model container [2024-09-12 20:11:17,073 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 08:11:16" (3/4) ... [2024-09-12 20:11:17,073 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@724a31eb and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 12.09 08:11:17, skipping insertion in model container [2024-09-12 20:11:17,073 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 08:11:17" (4/4) ... [2024-09-12 20:11:17,074 INFO L79 RefereeObserver]: Analyzing ICFG sumt6.c [2024-09-12 20:11:17,077 INFO L112 InvariantChecker]: Found 1 loops. [2024-09-12 20:11:17,078 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L21-3 to ERROR_LOC mainErr1REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 4 edges. [2024-09-12 20:11:17,078 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 20:11:17,078 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L21-3 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 14 edges. [2024-09-12 20:11:17,078 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 20:11:17,078 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 20:11:17,078 INFO L130 InvariantChecker]: Will check 1 loop-free subgraphs from loop head to loop head, 1 loop-free subgraphs from procedure entry to loop head, 1 loop-free subgraphs from loop head to error location, 2 loop-free subgraphs from procedure entry to error location [2024-09-12 20:11:17,114 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 4 edges [2024-09-12 20:11:17,119 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-12 20:11:17,120 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-12 20:11:17,120 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-12 20:11:17,121 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-12 20:11:17,122 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 20:11:17,131 INFO L101 BaseMinimizeStates]: Removed 6 edges and 2 locations by large block encoding [2024-09-12 20:11:17,132 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 20:11:17,133 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-12 20:11:17,133 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-12 20:11:17,133 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-12 20:11:17,139 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-12 20:11:17,153 INFO L514 InvariantChecker]: The annotation(s) from loop head L21-3 to error location mainErr1REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-12 20:11:17,166 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-12 20:11:17,166 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-12 20:11:17,166 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-12 20:11:17,166 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-12 20:11:17,166 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-12 20:11:17,166 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 20:11:17,175 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-12 20:11:17,175 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 20:11:17,175 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-12 20:11:17,175 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-12 20:11:17,175 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-12 20:11:17,176 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-12 20:11:17,179 INFO L514 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-12 20:11:17,193 INFO L314 BlockEncoder]: Initial Icfg 10 locations, 14 edges [2024-09-12 20:11:17,197 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-12 20:11:17,197 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-12 20:11:17,197 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-12 20:11:17,197 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-12 20:11:17,197 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 20:11:17,240 INFO L101 BaseMinimizeStates]: Removed 32 edges and 8 locations by large block encoding [2024-09-12 20:11:17,240 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 20:11:17,240 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-12 20:11:17,241 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-12 20:11:17,241 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-12 20:11:17,246 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-12 20:11:17,258 INFO L514 InvariantChecker]: The annotation(s) from loop head L21-3 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-12 20:11:17,264 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 5 edges [2024-09-12 20:11:17,264 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-12 20:11:17,264 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-12 20:11:17,264 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-12 20:11:17,264 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-12 20:11:17,265 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 20:11:17,266 INFO L101 BaseMinimizeStates]: Removed 8 edges and 3 locations by large block encoding [2024-09-12 20:11:17,266 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 20:11:17,266 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-12 20:11:17,267 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-12 20:11:17,267 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-12 20:11:17,267 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-12 20:11:17,268 INFO L514 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-12 20:11:17,274 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-12 20:11:17,274 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-12 20:11:17,275 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-12 20:11:17,275 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-12 20:11:17,275 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-12 20:11:17,275 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 20:11:17,276 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-12 20:11:17,276 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 20:11:17,276 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-12 20:11:17,276 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-12 20:11:17,276 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-12 20:11:17,277 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-12 20:11:17,281 INFO L514 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION is inductive. [2024-09-12 20:11:17,284 INFO L58 RefereeStarter]: Annotation is a valid proof of correctness [2024-09-12 20:11:17,284 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@724a31eb and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CFG 12.09 08:11:17, skipping insertion in model container [2024-09-12 20:11:17,284 INFO L131 PluginConnector]: ------------------------ END Referee---------------------------- [2024-09-12 20:11:17,287 INFO L158 Benchmark]: Toolchain (without parser) took 842.87ms. Allocated memory was 123.7MB in the beginning and 159.4MB in the end (delta: 35.7MB). Free memory was 53.3MB in the beginning and 74.2MB in the end (delta: -20.9MB). Peak memory consumption was 15.2MB. Max. memory is 16.1GB. [2024-09-12 20:11:17,287 INFO L158 Benchmark]: CDTParser took 0.13ms. Allocated memory is still 123.7MB. Free memory is still 83.4MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-12 20:11:17,288 INFO L158 Benchmark]: Witness Parser took 0.28ms. Allocated memory is still 123.7MB. Free memory was 55.2MB in the beginning and 55.1MB in the end (delta: 160.8kB). There was no memory consumed. Max. memory is 16.1GB. [2024-09-12 20:11:17,289 INFO L158 Benchmark]: CACSL2BoogieTranslator took 255.87ms. Allocated memory was 123.7MB in the beginning and 159.4MB in the end (delta: 35.7MB). Free memory was 53.0MB in the beginning and 122.5MB in the end (delta: -69.5MB). Peak memory consumption was 11.0MB. Max. memory is 16.1GB. [2024-09-12 20:11:17,289 INFO L158 Benchmark]: Boogie Preprocessor took 44.46ms. Allocated memory is still 159.4MB. Free memory was 122.5MB in the beginning and 120.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-09-12 20:11:17,290 INFO L158 Benchmark]: RCFGBuilder took 324.08ms. Allocated memory is still 159.4MB. Free memory was 120.4MB in the beginning and 103.6MB in the end (delta: 16.8MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2024-09-12 20:11:17,290 INFO L158 Benchmark]: Referee took 215.16ms. Allocated memory is still 159.4MB. Free memory was 103.6MB in the beginning and 74.2MB in the end (delta: 29.4MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. [2024-09-12 20:11:17,293 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.referee: - AnnotationCheckResult: Annotation is a valid proof of correctness Annotation is a valid proof of correctness Annotation is valid for all loop-free paths from entry of procedure main to loop head at line 21. Annotation is valid for all loop-free paths from entry of procedure __VERIFIER_assert to exit of procedure __VERIFIER_assert. Annotation is valid for all loop-free paths from loop head at line 21 to check that procedure precondition always holds at line 21. Annotation is valid for all loop-free paths from loop head at line 21 to loop head at line 21. 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. * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13ms. Allocated memory is still 123.7MB. Free memory is still 83.4MB. There was no memory consumed. Max. memory is 16.1GB. * Witness Parser took 0.28ms. Allocated memory is still 123.7MB. Free memory was 55.2MB in the beginning and 55.1MB in the end (delta: 160.8kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 255.87ms. Allocated memory was 123.7MB in the beginning and 159.4MB in the end (delta: 35.7MB). Free memory was 53.0MB in the beginning and 122.5MB in the end (delta: -69.5MB). Peak memory consumption was 11.0MB. Max. memory is 16.1GB. * Boogie Preprocessor took 44.46ms. Allocated memory is still 159.4MB. Free memory was 122.5MB in the beginning and 120.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 324.08ms. Allocated memory is still 159.4MB. Free memory was 120.4MB in the beginning and 103.6MB in the end (delta: 16.8MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * Referee took 215.16ms. Allocated memory is still 159.4MB. Free memory was 103.6MB in the beginning and 74.2MB in the end (delta: 29.4MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-09-12 20:11:17,317 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 Result: TRUE