./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/loop-crafted/simple_vardep_2.c --full-output --witness-type correctness_witness --validate ../results/automizer-verification-files/SV-COMP24_unreach-call/simple_vardep_2.yml/witness-2.1.yml --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version f1d7dc9d 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-crafted/simple_vardep_2.c ../results/automizer-verification-files/SV-COMP24_unreach-call/simple_vardep_2.yml/witness-2.1.yml -s /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Default.epf --cacsl2boogietranslator.entry.function main --traceabstraction.positions.where.we.compute.the.hoare.annotation None --- Real Ultimate output --- This is Ultimate 0.2.4-tmp.dk.referee-eval-f1d7dc9-m [2024-09-20 13:25:24,664 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-20 13:25:24,719 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Default.epf [2024-09-20 13:25:24,723 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-20 13:25:24,723 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-20 13:25:24,743 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-20 13:25:24,744 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-20 13:25:24,744 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-20 13:25:24,745 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-20 13:25:24,745 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-20 13:25:24,747 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-20 13:25:24,748 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-20 13:25:24,748 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-20 13:25:24,750 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-20 13:25:24,750 INFO L153 SettingsManager]: * Use SBE=true [2024-09-20 13:25:24,751 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-20 13:25:24,751 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-20 13:25:24,751 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-20 13:25:24,754 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-09-20 13:25:24,754 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-20 13:25:24,754 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-20 13:25:24,755 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-20 13:25:24,755 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-20 13:25:24,755 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-20 13:25:24,755 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-20 13:25:24,756 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-20 13:25:24,756 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-20 13:25:24,756 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-20 13:25:24,756 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-20 13:25:24,757 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-20 13:25:24,757 INFO L153 SettingsManager]: * Future-live optimization=false [2024-09-20 13:25:24,757 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-20 13:25:24,757 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-20 13:25:24,758 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-20 13:25:24,761 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-20 13:25:24,761 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-20 13:25:24,762 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-20 13:25:24,762 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-09-20 13:25:24,762 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-09-20 13:25:24,762 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-20 13:25:24,763 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-20 13:25:24,763 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-20 13:25:24,763 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-20 13:25:24,763 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/certificate-witnesses-artifact/referee/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None [2024-09-20 13:25:25,006 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-20 13:25:25,033 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-20 13:25:25,035 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-20 13:25:25,037 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-20 13:25:25,037 INFO L274 PluginConnector]: CDTParser initialized [2024-09-20 13:25:25,038 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/loop-crafted/simple_vardep_2.c [2024-09-20 13:25:26,450 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-20 13:25:26,629 INFO L384 CDTParser]: Found 1 translation units. [2024-09-20 13:25:26,629 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-crafted/simple_vardep_2.c [2024-09-20 13:25:26,636 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/9c0990b6f/4715e62875044c4e9588a3f1ae5e3b4c/FLAGc8e0a7d82 [2024-09-20 13:25:26,653 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/9c0990b6f/4715e62875044c4e9588a3f1ae5e3b4c [2024-09-20 13:25:26,657 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-20 13:25:26,658 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-20 13:25:26,659 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/automizer-verification-files/SV-COMP24_unreach-call/simple_vardep_2.yml/witness-2.1.yml [2024-09-20 13:25:26,709 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-20 13:25:26,710 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-09-20 13:25:26,712 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-20 13:25:26,712 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-20 13:25:26,717 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-20 13:25:26,719 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 01:25:26" (1/2) ... [2024-09-20 13:25:26,720 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@25c7750e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:25:26, skipping insertion in model container [2024-09-20 13:25:26,721 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 01:25:26" (1/2) ... [2024-09-20 13:25:26,722 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@2fda096a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:25:26, skipping insertion in model container [2024-09-20 13:25:26,723 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 20.09 01:25:26" (2/2) ... [2024-09-20 13:25:26,724 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@25c7750e and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 20.09 01:25:26, skipping insertion in model container [2024-09-20 13:25:26,724 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 20.09 01:25:26" (2/2) ... [2024-09-20 13:25:26,733 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-20 13:25:26,734 INFO L1541 ArrayList]: Loop invariant at [L21-L26] ((((k == (((long long) i * 3) % 4294967296)) && ((j + ((i / 2147483648) * 4294967296)) == ((long long) i * 2))) && (((long long) i * 3) <= k)) && (((long long) i * 2) <= j)) [2024-09-20 13:25:26,734 INFO L1541 ArrayList]: Function contract at [L7]: requires (\old(cond) != 0), ensures (\old(cond) != 0) [2024-09-20 13:25:26,751 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-20 13:25:26,879 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-crafted/simple_vardep_2.c[584,597] [2024-09-20 13:25:26,891 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-20 13:25:26,901 INFO L200 MainTranslator]: Completed pre-run Start Parsing Global Start Parsing Global [2024-09-20 13:25:26,937 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-crafted/simple_vardep_2.c[584,597] Start Parsing Local [2024-09-20 13:25:26,945 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-20 13:25:26,965 INFO L204 MainTranslator]: Completed translation [2024-09-20 13:25:26,967 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 20.09 01:25:26 WrapperNode [2024-09-20 13:25:26,967 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-20 13:25:26,968 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-20 13:25:26,968 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-20 13:25:26,968 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-20 13:25:26,981 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 20.09 01:25:26" (1/1) ... [2024-09-20 13:25:26,981 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 20.09 01:25:26" (1/1) ... [2024-09-20 13:25:26,987 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 20.09 01:25:26" (1/1) ... [2024-09-20 13:25:27,001 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 [2024-09-20 13:25:27,001 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 20.09 01:25:26" (1/1) ... [2024-09-20 13:25:27,001 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 20.09 01:25:26" (1/1) ... [2024-09-20 13:25:27,005 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 20.09 01:25:26" (1/1) ... [2024-09-20 13:25:27,009 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 20.09 01:25:26" (1/1) ... [2024-09-20 13:25:27,009 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 20.09 01:25:26" (1/1) ... [2024-09-20 13:25:27,010 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 20.09 01:25:26" (1/1) ... [2024-09-20 13:25:27,012 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-20 13:25:27,013 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-20 13:25:27,013 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-20 13:25:27,013 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-20 13:25:27,015 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 20.09 01:25:26" (1/1) ... [2024-09-20 13:25:27,021 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-20 13:25:27,028 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-09-20 13:25:27,042 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) [2024-09-20 13:25:27,046 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 [2024-09-20 13:25:27,103 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-09-20 13:25:27,104 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-20 13:25:27,104 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-09-20 13:25:27,104 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-09-20 13:25:27,104 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-09-20 13:25:27,104 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-09-20 13:25:27,104 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-09-20 13:25:27,104 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-09-20 13:25:27,104 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-20 13:25:27,105 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-09-20 13:25:27,105 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-09-20 13:25:27,105 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-09-20 13:25:27,105 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-09-20 13:25:27,105 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-20 13:25:27,105 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-09-20 13:25:27,106 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-09-20 13:25:27,106 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-09-20 13:25:27,164 INFO L242 CfgBuilder]: Building ICFG [2024-09-20 13:25:27,166 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-20 13:25:27,298 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-20 13:25:27,308 INFO L291 CfgBuilder]: Performing block encoding [2024-09-20 13:25:27,340 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-20 13:25:27,340 INFO L318 CfgBuilder]: Removed 1 assume(true) statements. [2024-09-20 13:25:27,341 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 01:25:27 BoogieIcfgContainer [2024-09-20 13:25:27,341 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-20 13:25:27,342 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-09-20 13:25:27,342 INFO L270 PluginConnector]: Initializing Referee... [2024-09-20 13:25:27,343 INFO L274 PluginConnector]: Referee initialized [2024-09-20 13:25:27,343 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 20.09 01:25:26" (1/4) ... [2024-09-20 13:25:27,343 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@44ca6ad7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 20.09 01:25:27, skipping insertion in model container [2024-09-20 13:25:27,344 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 20.09 01:25:26" (2/4) ... [2024-09-20 13:25:27,344 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@44ca6ad7 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 20.09 01:25:27, skipping insertion in model container [2024-09-20 13:25:27,344 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 20.09 01:25:26" (3/4) ... [2024-09-20 13:25:27,345 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@44ca6ad7 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 20.09 01:25:27, skipping insertion in model container [2024-09-20 13:25:27,345 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 01:25:27" (4/4) ... [2024-09-20 13:25:27,346 INFO L79 RefereeObserver]: Analyzing ICFG simple_vardep_2.c [2024-09-20 13:25:27,350 INFO L113 InvariantChecker]: Found 1 loops. [2024-09-20 13:25:27,351 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L25-1 to ERROR_LOC mainErr1REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 3 edges. [2024-09-20 13:25:27,351 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 2 edges. [2024-09-20 13:25:27,352 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L25-1 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 4 edges. [2024-09-20 13:25:27,352 INFO L373 InvariantChecker]: Will check inductivity from ENTRY __VERIFIER_assertENTRY to ERROR_LOC __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 5 edges. [2024-09-20 13:25:27,352 INFO L373 InvariantChecker]: Will check inductivity from ENTRY __VERIFIER_assertENTRY to ERROR_LOC __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 3 edges. [2024-09-20 13:25:27,352 INFO L131 InvariantChecker]: Will check 1 loop-free subgraphs from loop head to loop head, 1 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 [2024-09-20 13:25:27,417 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-20 13:25:27,418 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 13:25:27,419 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 13:25:27,419 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 13:25:27,421 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 13:25:27,422 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:25:27,448 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-20 13:25:27,452 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:25:27,452 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 13:25:27,452 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 13:25:27,453 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 13:25:27,454 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 13:25:27,507 INFO L520 InvariantChecker]: The annotation(s) from loop head L25-1 to error location mainErr1REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-20 13:25:27,519 INFO L314 BlockEncoder]: Initial Icfg 3 locations, 2 edges [2024-09-20 13:25:27,519 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 13:25:27,519 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 13:25:27,519 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 13:25:27,520 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 13:25:27,520 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:25:27,524 INFO L101 BaseMinimizeStates]: Removed 2 edges and 1 locations by large block encoding [2024-09-20 13:25:27,524 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:25:27,524 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 13:25:27,524 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 13:25:27,525 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 13:25:27,525 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 13:25:27,531 INFO L520 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-20 13:25:27,551 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 4 edges [2024-09-20 13:25:27,551 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 13:25:27,551 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 13:25:27,551 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 13:25:27,551 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 13:25:27,552 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:25:27,575 INFO L101 BaseMinimizeStates]: Removed 6 edges and 3 locations by large block encoding [2024-09-20 13:25:27,576 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:25:27,576 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 13:25:27,576 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 13:25:27,576 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 13:25:27,577 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 13:25:27,665 INFO L520 InvariantChecker]: The annotation(s) from loop head L25-1 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-20 13:25:27,677 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 5 edges [2024-09-20 13:25:27,677 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 13:25:27,677 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 13:25:27,677 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 13:25:27,677 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 13:25:27,678 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:25:27,683 INFO L101 BaseMinimizeStates]: Removed 8 edges and 3 locations by large block encoding [2024-09-20 13:25:27,683 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:25:27,683 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 13:25:27,683 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 13:25:27,683 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 13:25:27,686 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 13:25:27,689 INFO L520 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-20 13:25:27,701 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-20 13:25:27,701 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 13:25:27,702 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 13:25:27,702 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 13:25:27,702 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 13:25:27,703 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:25:27,704 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-20 13:25:27,704 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:25:27,704 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 13:25:27,705 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 13:25:27,705 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 13:25:27,705 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 13:25:27,711 INFO L520 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION is inductive. [2024-09-20 13:25:27,714 INFO L58 RefereeStarter]: Annotation is a valid proof of correctness. [2024-09-20 13:25:27,715 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@44ca6ad7 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CFG 20.09 01:25:27, skipping insertion in model container [2024-09-20 13:25:27,716 INFO L131 PluginConnector]: ------------------------ END Referee---------------------------- [2024-09-20 13:25:27,718 INFO L158 Benchmark]: Toolchain (without parser) took 1006.38ms. Allocated memory was 136.3MB in the beginning and 176.2MB in the end (delta: 39.8MB). Free memory was 79.7MB in the beginning and 120.9MB in the end (delta: -41.2MB). There was no memory consumed. Max. memory is 16.1GB. [2024-09-20 13:25:27,719 INFO L158 Benchmark]: CDTParser took 0.17ms. Allocated memory is still 136.3MB. Free memory is still 109.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-20 13:25:27,719 INFO L158 Benchmark]: Witness Parser took 0.19ms. Allocated memory is still 136.3MB. Free memory is still 81.5MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-20 13:25:27,720 INFO L158 Benchmark]: CACSL2BoogieTranslator took 255.16ms. Allocated memory is still 136.3MB. Free memory was 79.5MB in the beginning and 66.0MB in the end (delta: 13.5MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-09-20 13:25:27,721 INFO L158 Benchmark]: Boogie Preprocessor took 43.98ms. Allocated memory is still 136.3MB. Free memory was 65.8MB in the beginning and 64.0MB in the end (delta: 1.8MB). There was no memory consumed. Max. memory is 16.1GB. [2024-09-20 13:25:27,722 INFO L158 Benchmark]: RCFGBuilder took 328.47ms. Allocated memory was 136.3MB in the beginning and 176.2MB in the end (delta: 39.8MB). Free memory was 63.9MB in the beginning and 138.7MB in the end (delta: -74.8MB). Peak memory consumption was 12.3MB. Max. memory is 16.1GB. [2024-09-20 13:25:27,723 INFO L158 Benchmark]: Referee took 374.25ms. Allocated memory is still 176.2MB. Free memory was 138.7MB in the beginning and 120.9MB in the end (delta: 17.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-09-20 13:25:27,725 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.referee: - AnnotationCheckResult: Annotation is a valid proof of correctness. Annotation is a valid proof of correctness. Annotation is valid for all loop-free paths from entry of procedure main to loop head at line 21. Annotation is valid for all loop-free paths from loop head at line 21 to check that procedure precondition always holds at line 25. 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 exit of procedure __VERIFIER_assert. 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 0.17ms. Allocated memory is still 136.3MB. Free memory is still 109.2MB. There was no memory consumed. Max. memory is 16.1GB. * Witness Parser took 0.19ms. Allocated memory is still 136.3MB. Free memory is still 81.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 255.16ms. Allocated memory is still 136.3MB. Free memory was 79.5MB in the beginning and 66.0MB in the end (delta: 13.5MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Preprocessor took 43.98ms. Allocated memory is still 136.3MB. Free memory was 65.8MB in the beginning and 64.0MB in the end (delta: 1.8MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 328.47ms. Allocated memory was 136.3MB in the beginning and 176.2MB in the end (delta: 39.8MB). Free memory was 63.9MB in the beginning and 138.7MB in the end (delta: -74.8MB). Peak memory consumption was 12.3MB. Max. memory is 16.1GB. * Referee took 374.25ms. Allocated memory is still 176.2MB. Free memory was 138.7MB in the beginning and 120.9MB in the end (delta: 17.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2024-09-20 13:25:27,747 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