./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/nla-digbench-scaling/prod4br-ll_valuebound20.c --full-output --witness-type correctness_witness --validate ../results/automizer-verification-files/SV-COMP24_unreach-call/prod4br-ll_valuebound20.yml/witness-2.1.yml --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version fb1cb0b9 Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/bin/java -Dosgi.configuration.area=/storage/repos/certificate-witnesses-artifact/referee/data/config -Xmx15G -Xms4m -jar /storage/repos/certificate-witnesses-artifact/referee/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/certificate-witnesses-artifact/referee/data -tc /storage/repos/certificate-witnesses-artifact/referee/config/RefereeReachWitnessValidation.xml -i ../sv-benchmarks/c/nla-digbench-scaling/prod4br-ll_valuebound20.c ../results/automizer-verification-files/SV-COMP24_unreach-call/prod4br-ll_valuebound20.yml/witness-2.1.yml -s /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Default.epf --cacsl2boogietranslator.entry.function main --traceabstraction.positions.where.we.compute.the.hoare.annotation None --- Real Ultimate output --- This is Ultimate 0.2.4-tmp.dk.referee-eval-fb1cb0b-m [2024-09-25 11:48:51,722 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-25 11:48:51,780 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Default.epf [2024-09-25 11:48:51,784 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-25 11:48:51,785 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-25 11:48:51,815 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-25 11:48:51,816 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-25 11:48:51,816 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-25 11:48:51,817 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-25 11:48:51,818 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-25 11:48:51,818 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-25 11:48:51,819 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-25 11:48:51,819 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-25 11:48:51,819 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-25 11:48:51,820 INFO L153 SettingsManager]: * Use SBE=true [2024-09-25 11:48:51,821 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-25 11:48:51,821 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-25 11:48:51,821 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-25 11:48:51,821 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-09-25 11:48:51,822 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-25 11:48:51,822 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-25 11:48:51,825 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-25 11:48:51,825 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-25 11:48:51,825 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-25 11:48:51,825 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-25 11:48:51,825 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-25 11:48:51,826 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-25 11:48:51,826 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-25 11:48:51,826 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-25 11:48:51,826 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-25 11:48:51,826 INFO L153 SettingsManager]: * Future-live optimization=false [2024-09-25 11:48:51,827 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-25 11:48:51,827 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-25 11:48:51,827 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-25 11:48:51,827 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-25 11:48:51,827 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-25 11:48:51,827 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-25 11:48:51,828 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-09-25 11:48:51,828 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-09-25 11:48:51,828 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-25 11:48:51,828 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-25 11:48:51,829 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-25 11:48:51,829 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-25 11:48:51,829 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/certificate-witnesses-artifact/referee/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None [2024-09-25 11:48:52,095 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-25 11:48:52,118 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-25 11:48:52,121 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-25 11:48:52,122 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-25 11:48:52,122 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-25 11:48:52,124 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/automizer-verification-files/SV-COMP24_unreach-call/prod4br-ll_valuebound20.yml/witness-2.1.yml [2024-09-25 11:48:52,172 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-25 11:48:52,172 INFO L274 PluginConnector]: CDTParser initialized [2024-09-25 11:48:52,174 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/nla-digbench-scaling/prod4br-ll_valuebound20.c [2024-09-25 11:48:53,696 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-25 11:48:53,862 INFO L384 CDTParser]: Found 1 translation units. [2024-09-25 11:48:53,862 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench-scaling/prod4br-ll_valuebound20.c [2024-09-25 11:48:53,871 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/17aa05468/3446bd376c614d7ca024241d3c0adfbd/FLAG6a1b48cfb [2024-09-25 11:48:53,886 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/17aa05468/3446bd376c614d7ca024241d3c0adfbd [2024-09-25 11:48:53,886 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-25 11:48:53,888 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-09-25 11:48:53,890 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-25 11:48:53,890 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-25 11:48:53,895 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-25 11:48:53,896 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 25.09 11:48:52" (1/2) ... [2024-09-25 11:48:53,896 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@479142a2 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 25.09 11:48:53, skipping insertion in model container [2024-09-25 11:48:53,898 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 25.09 11:48:52" (1/2) ... [2024-09-25 11:48:53,900 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@552aee15 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 25.09 11:48:53, skipping insertion in model container [2024-09-25 11:48:53,900 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 11:48:53" (2/2) ... [2024-09-25 11:48:53,900 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@479142a2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 11:48:53, skipping insertion in model container [2024-09-25 11:48:53,900 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 11:48:53" (2/2) ... [2024-09-25 11:48:53,906 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-25 11:48:53,906 INFO L1541 ArrayList]: Loop invariant at [L34-L55] (((q + (((__int128) b * a) * p)) == ((long long) y * x)) && (1 <= y)) [2024-09-25 11:48:53,906 INFO L1541 ArrayList]: Function contract at [L11]: requires (1 <= cond), ensures (1 <= cond) [2024-09-25 11:48:53,906 INFO L1541 ArrayList]: Function contract at [L8]: requires null, ensures (cond != 0) [2024-09-25 11:48:53,922 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-25 11:48:54,042 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/nla-digbench-scaling/prod4br-ll_valuebound20.c[524,537] [2024-09-25 11:48:54,057 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-25 11:48:54,065 INFO L200 MainTranslator]: Completed pre-run Start Parsing Global Start Parsing Global Start Parsing Global [2024-09-25 11:48:54,096 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/nla-digbench-scaling/prod4br-ll_valuebound20.c[524,537] Start Parsing Local [2024-09-25 11:48:54,110 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-25 11:48:54,132 INFO L204 MainTranslator]: Completed translation [2024-09-25 11:48:54,132 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 11:48:54 WrapperNode [2024-09-25 11:48:54,132 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-25 11:48:54,133 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-25 11:48:54,134 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-25 11:48:54,134 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-25 11:48:54,145 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 11:48:54" (1/1) ... [2024-09-25 11:48:54,145 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 11:48:54" (1/1) ... [2024-09-25 11:48:54,151 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 11:48:54" (1/1) ... [2024-09-25 11:48:54,164 WARN L109 MemorySlicer]: Omit memory slicing because it failed with the following exception: Unsupported: Procedure assume_abort_if_not is not part of the Ultimate memory model but has specification other that is not a ModifiesSpecification [2024-09-25 11:48:54,165 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 11:48:54" (1/1) ... [2024-09-25 11:48:54,165 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 11:48:54" (1/1) ... [2024-09-25 11:48:54,168 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 11:48:54" (1/1) ... [2024-09-25 11:48:54,171 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 11:48:54" (1/1) ... [2024-09-25 11:48:54,172 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 11:48:54" (1/1) ... [2024-09-25 11:48:54,173 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 11:48:54" (1/1) ... [2024-09-25 11:48:54,174 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-25 11:48:54,175 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-25 11:48:54,175 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-25 11:48:54,178 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-25 11:48:54,179 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 11:48:54" (1/1) ... [2024-09-25 11:48:54,187 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-25 11:48:54,196 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-09-25 11:48:54,211 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/certificate-witnesses-artifact/referee/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-09-25 11:48:54,220 INFO L327 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/referee/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-09-25 11:48:54,252 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-09-25 11:48:54,252 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-25 11:48:54,252 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-09-25 11:48:54,254 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-09-25 11:48:54,254 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-09-25 11:48:54,254 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-09-25 11:48:54,254 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-09-25 11:48:54,255 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-09-25 11:48:54,255 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-09-25 11:48:54,255 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-25 11:48:54,255 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2024-09-25 11:48:54,255 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-09-25 11:48:54,255 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-09-25 11:48:54,255 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-09-25 11:48:54,255 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-09-25 11:48:54,256 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-09-25 11:48:54,256 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-25 11:48:54,256 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-09-25 11:48:54,256 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-09-25 11:48:54,256 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-09-25 11:48:54,306 INFO L241 CfgBuilder]: Building ICFG [2024-09-25 11:48:54,308 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-25 11:48:54,447 WARN L782 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-25 11:48:54,463 INFO L290 CfgBuilder]: Performing block encoding [2024-09-25 11:48:54,493 INFO L312 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-25 11:48:54,494 INFO L317 CfgBuilder]: Removed 1 assume(true) statements. [2024-09-25 11:48:54,495 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 11:48:54 BoogieIcfgContainer [2024-09-25 11:48:54,495 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-25 11:48:54,495 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-09-25 11:48:54,496 INFO L270 PluginConnector]: Initializing Referee... [2024-09-25 11:48:54,496 INFO L274 PluginConnector]: Referee initialized [2024-09-25 11:48:54,497 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 25.09 11:48:52" (1/4) ... [2024-09-25 11:48:54,498 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@41522002 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 25.09 11:48:54, skipping insertion in model container [2024-09-25 11:48:54,498 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 25.09 11:48:53" (2/4) ... [2024-09-25 11:48:54,498 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@41522002 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 25.09 11:48:54, skipping insertion in model container [2024-09-25 11:48:54,498 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 11:48:54" (3/4) ... [2024-09-25 11:48:54,498 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@41522002 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 25.09 11:48:54, skipping insertion in model container [2024-09-25 11:48:54,499 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 11:48:54" (4/4) ... [2024-09-25 11:48:54,500 INFO L79 RefereeObserver]: Analyzing ICFG prod4br-ll_valuebound20.c [2024-09-25 11:48:54,504 INFO L113 InvariantChecker]: Found 1 loops. [2024-09-25 11:48:54,504 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC assume_abort_if_notErr0ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 4 edges. [2024-09-25 11:48:54,505 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L47-2 to ERROR_LOC mainErr2REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 7 edges. [2024-09-25 11:48:54,505 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L47-2 to ERROR_LOC mainErr1REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 3 edges. [2024-09-25 11:48:54,505 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 7 edges. [2024-09-25 11:48:54,505 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L47-2 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 11 edges. [2024-09-25 11:48:54,505 INFO L373 InvariantChecker]: Will check inductivity from ENTRY __VERIFIER_assertENTRY to ERROR_LOC __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 5 edges. [2024-09-25 11:48:54,505 INFO L373 InvariantChecker]: Will check inductivity from ENTRY __VERIFIER_assertENTRY to ERROR_LOC __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 3 edges. [2024-09-25 11:48:54,506 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L47-2 to ERROR_LOC mainErr3REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 8 edges. [2024-09-25 11:48:54,506 INFO L131 InvariantChecker]: Will check 1 loop-free subgraphs from loop head to loop head, 3 loop-free subgraphs from loop head to error location, 1 loop-free subgraphs from procedure entry to loop head, 3 loop-free subgraphs from procedure entry to error location [2024-09-25 11:48:54,561 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 4 edges [2024-09-25 11:48:54,566 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 11:48:54,567 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 11:48:54,567 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 11:48:54,572 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 11:48:54,573 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:48:54,588 INFO L101 BaseMinimizeStates]: Removed 6 edges and 2 locations by large block encoding [2024-09-25 11:48:54,589 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:48:54,589 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 11:48:54,589 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 11:48:54,590 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 11:48:54,593 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 11:48:54,640 INFO L520 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to error location assume_abort_if_notErr0ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-25 11:48:54,661 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 7 edges [2024-09-25 11:48:54,663 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 11:48:54,663 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 11:48:54,663 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 11:48:54,663 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 11:48:54,664 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:48:54,691 INFO L101 BaseMinimizeStates]: Removed 12 edges and 4 locations by large block encoding [2024-09-25 11:48:54,691 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:48:54,691 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 11:48:54,691 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 11:48:54,692 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 11:48:54,694 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 11:48:54,696 INFO L520 InvariantChecker]: The annotation(s) from loop head L47-2 to error location mainErr2REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-25 11:48:54,712 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-25 11:48:54,713 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 11:48:54,713 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 11:48:54,720 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 11:48:54,720 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 11:48:54,721 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:48:54,727 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-25 11:48:54,727 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:48:54,728 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 11:48:54,728 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 11:48:54,728 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 11:48:54,728 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 11:48:54,731 INFO L520 InvariantChecker]: The annotation(s) from loop head L47-2 to error location mainErr1REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-25 11:48:54,754 INFO L314 BlockEncoder]: Initial Icfg 8 locations, 7 edges [2024-09-25 11:48:54,754 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 11:48:54,754 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 11:48:54,754 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 11:48:54,754 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 11:48:54,754 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:48:54,762 INFO L101 BaseMinimizeStates]: Removed 12 edges and 6 locations by large block encoding [2024-09-25 11:48:54,763 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:48:54,763 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 11:48:54,763 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 11:48:54,763 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 11:48:54,764 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 11:48:54,765 INFO L520 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-25 11:48:54,779 INFO L314 BlockEncoder]: Initial Icfg 9 locations, 11 edges [2024-09-25 11:48:54,779 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 11:48:54,779 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 11:48:54,779 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 11:48:54,779 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 11:48:54,780 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:48:54,806 INFO L101 BaseMinimizeStates]: Removed 20 edges and 7 locations by large block encoding [2024-09-25 11:48:54,807 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:48:54,807 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 11:48:54,807 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 11:48:54,807 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 11:48:54,814 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 11:48:54,824 INFO L520 InvariantChecker]: The annotation(s) from loop head L47-2 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-25 11:48:54,839 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 5 edges [2024-09-25 11:48:54,843 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 11:48:54,843 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 11:48:54,843 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 11:48:54,843 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 11:48:54,844 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:48:54,845 INFO L101 BaseMinimizeStates]: Removed 8 edges and 3 locations by large block encoding [2024-09-25 11:48:54,845 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:48:54,846 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 11:48:54,846 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 11:48:54,846 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 11:48:54,846 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 11:48:54,851 INFO L520 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-25 11:48:54,866 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-25 11:48:54,868 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 11:48:54,869 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 11:48:54,869 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 11:48:54,869 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 11:48:54,869 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:48:54,871 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-25 11:48:54,871 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:48:54,872 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 11:48:54,872 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 11:48:54,872 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 11:48:54,872 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 11:48:54,874 INFO L520 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION is inductive. [2024-09-25 11:48:54,883 INFO L314 BlockEncoder]: Initial Icfg 7 locations, 8 edges [2024-09-25 11:48:54,883 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 11:48:54,883 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 11:48:54,884 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 11:48:54,884 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 11:48:54,884 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:48:54,889 INFO L101 BaseMinimizeStates]: Removed 16 edges and 5 locations by large block encoding [2024-09-25 11:48:54,889 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:48:54,890 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 11:48:54,890 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 11:48:54,890 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 11:48:54,891 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 11:48:54,895 INFO L520 InvariantChecker]: The annotation(s) from loop head L47-2 to error location mainErr3REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-25 11:48:54,898 INFO L58 RefereeStarter]: Annotation is a valid proof of correctness. [2024-09-25 11:48:54,898 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@41522002 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee CFG 25.09 11:48:54, skipping insertion in model container [2024-09-25 11:48:54,898 INFO L131 PluginConnector]: ------------------------ END Referee---------------------------- [2024-09-25 11:48:54,900 INFO L158 Benchmark]: Toolchain (without parser) took 1011.23ms. Allocated memory is still 243.3MB. Free memory was 171.9MB in the beginning and 174.9MB in the end (delta: -3.1MB). Peak memory consumption was 44.0MB. Max. memory is 16.1GB. [2024-09-25 11:48:54,901 INFO L158 Benchmark]: Witness Parser took 0.16ms. Allocated memory is still 127.9MB. Free memory was 97.7MB in the beginning and 97.6MB in the end (delta: 139.8kB). There was no memory consumed. Max. memory is 16.1GB. [2024-09-25 11:48:54,902 INFO L158 Benchmark]: CDTParser took 0.15ms. Allocated memory is still 127.9MB. Free memory is still 95.6MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-25 11:48:54,903 INFO L158 Benchmark]: CACSL2BoogieTranslator took 243.10ms. Allocated memory is still 243.3MB. Free memory was 171.6MB in the beginning and 157.7MB in the end (delta: 13.8MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-09-25 11:48:54,903 INFO L158 Benchmark]: Boogie Preprocessor took 40.85ms. Allocated memory is still 243.3MB. Free memory was 157.7MB in the beginning and 155.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-09-25 11:48:54,904 INFO L158 Benchmark]: RCFGBuilder took 320.20ms. Allocated memory is still 243.3MB. Free memory was 155.7MB in the beginning and 140.4MB in the end (delta: 15.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-09-25 11:48:54,904 INFO L158 Benchmark]: Referee took 402.79ms. Allocated memory is still 243.3MB. Free memory was 140.4MB in the beginning and 174.9MB in the end (delta: -34.5MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-09-25 11:48:54,907 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.referee: - AnnotationCheckResult: Annotation is a valid proof of correctness. Annotation is a valid proof of correctness. Annotation is valid for all loop-free paths from loop head at line 34 to check that procedure precondition always holds at line 34. 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 13. Annotation is valid for all loop-free paths from loop head at line 34 to check that procedure precondition always holds at line 35. Annotation is valid for all loop-free paths from entry of procedure assume_abort_if_not to exit of procedure assume_abort_if_not. 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 main to loop head at line 34. Annotation is valid for all loop-free paths from loop head at line 34 to loop head at line 34. Annotation is valid for all loop-free paths from loop head at line 34 to check that procedure precondition always holds at line 57. * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Witness Parser took 0.16ms. Allocated memory is still 127.9MB. Free memory was 97.7MB in the beginning and 97.6MB in the end (delta: 139.8kB). There was no memory consumed. Max. memory is 16.1GB. * CDTParser took 0.15ms. Allocated memory is still 127.9MB. Free memory is still 95.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 243.10ms. Allocated memory is still 243.3MB. Free memory was 171.6MB in the beginning and 157.7MB in the end (delta: 13.8MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Preprocessor took 40.85ms. Allocated memory is still 243.3MB. Free memory was 157.7MB in the beginning and 155.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 320.20ms. Allocated memory is still 243.3MB. Free memory was 155.7MB in the beginning and 140.4MB in the end (delta: 15.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Referee took 402.79ms. Allocated memory is still 243.3MB. Free memory was 140.4MB in the beginning and 174.9MB in the end (delta: -34.5MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2024-09-25 11:48:54,937 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