./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/nla-digbench-scaling/lcm2_valuebound1.c --full-output --witness-type correctness_witness --validate ../results/automizer-verification-files/SV-COMP24_unreach-call/lcm2_valuebound1.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/lcm2_valuebound1.c ../results/automizer-verification-files/SV-COMP24_unreach-call/lcm2_valuebound1.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 11:48:17,414 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-25 11:48:17,476 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Default.epf [2024-09-25 11:48:17,482 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-25 11:48:17,484 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-25 11:48:17,514 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-25 11:48:17,515 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-25 11:48:17,516 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-25 11:48:17,516 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-25 11:48:17,517 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-25 11:48:17,518 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-25 11:48:17,518 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-25 11:48:17,519 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-25 11:48:17,521 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-25 11:48:17,521 INFO L153 SettingsManager]: * Use SBE=true [2024-09-25 11:48:17,521 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-25 11:48:17,522 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-25 11:48:17,522 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-25 11:48:17,522 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-09-25 11:48:17,523 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-25 11:48:17,526 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-25 11:48:17,527 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-25 11:48:17,527 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-25 11:48:17,527 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-25 11:48:17,527 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-25 11:48:17,528 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-25 11:48:17,528 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-25 11:48:17,528 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-25 11:48:17,529 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-25 11:48:17,529 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-25 11:48:17,529 INFO L153 SettingsManager]: * Future-live optimization=false [2024-09-25 11:48:17,530 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-25 11:48:17,530 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-25 11:48:17,531 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-25 11:48:17,531 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-25 11:48:17,531 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-25 11:48:17,532 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-25 11:48:17,532 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-09-25 11:48:17,532 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-09-25 11:48:17,532 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-25 11:48:17,533 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-25 11:48:17,533 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-25 11:48:17,533 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-25 11:48:17,534 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None [2024-09-25 11:48:17,789 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-25 11:48:17,815 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-25 11:48:17,818 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-25 11:48:17,819 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-25 11:48:17,820 INFO L274 PluginConnector]: CDTParser initialized [2024-09-25 11:48:17,821 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/nla-digbench-scaling/lcm2_valuebound1.c [2024-09-25 11:48:19,217 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-25 11:48:19,405 INFO L384 CDTParser]: Found 1 translation units. [2024-09-25 11:48:19,406 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench-scaling/lcm2_valuebound1.c [2024-09-25 11:48:19,416 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/e28409118/5fb7689ac216492c8b1b83b43d3fc84b/FLAGb73aeeade [2024-09-25 11:48:19,795 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/e28409118/5fb7689ac216492c8b1b83b43d3fc84b [2024-09-25 11:48:19,797 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-25 11:48:19,798 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-25 11:48:19,799 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/automizer-verification-files/SV-COMP24_unreach-call/lcm2_valuebound1.yml/witness-2.1.yml [2024-09-25 11:48:19,853 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-25 11:48:19,855 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-09-25 11:48:19,858 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-25 11:48:19,858 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-25 11:48:19,862 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-25 11:48:19,863 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 11:48:19" (1/2) ... [2024-09-25 11:48:19,866 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@589eab07 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 11:48:19, skipping insertion in model container [2024-09-25 11:48:19,866 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 11:48:19" (1/2) ... [2024-09-25 11:48:19,868 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@77f7b82c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 11:48:19, skipping insertion in model container [2024-09-25 11:48:19,868 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 11:48:19" (2/2) ... [2024-09-25 11:48:19,868 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@589eab07 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 25.09 11:48:19, skipping insertion in model container [2024-09-25 11:48:19,868 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 11:48:19" (2/2) ... [2024-09-25 11:48:19,878 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-25 11:48:19,879 INFO L1541 ArrayList]: Loop invariant at [L37-L50] ((((((a == v) && (b == y)) && (b == u)) && (y == 1)) && (x == 1)) && (a == x)) [2024-09-25 11:48:19,882 INFO L1541 ArrayList]: Function contract at [L11]: requires (cond == 1), ensures (cond == 1) [2024-09-25 11:48:19,882 INFO L1541 ArrayList]: Function contract at [L8]: requires null, ensures (cond != 0) [2024-09-25 11:48:19,903 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-25 11:48:20,058 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/lcm2_valuebound1.c[537,550] [2024-09-25 11:48:20,087 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-25 11:48:20,102 INFO L200 MainTranslator]: Completed pre-run Start Parsing Global Start Parsing Global Start Parsing Global [2024-09-25 11:48:20,152 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/lcm2_valuebound1.c[537,550] Start Parsing Local [2024-09-25 11:48:20,167 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-25 11:48:20,187 INFO L204 MainTranslator]: Completed translation [2024-09-25 11:48:20,188 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 25.09 11:48:20 WrapperNode [2024-09-25 11:48:20,188 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-25 11:48:20,189 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-25 11:48:20,189 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-25 11:48:20,189 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-25 11:48:20,203 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 25.09 11:48:20" (1/1) ... [2024-09-25 11:48:20,204 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 25.09 11:48:20" (1/1) ... [2024-09-25 11:48:20,209 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 25.09 11:48:20" (1/1) ... [2024-09-25 11:48:20,219 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 11:48:20,219 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 25.09 11:48:20" (1/1) ... [2024-09-25 11:48:20,220 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 25.09 11:48:20" (1/1) ... [2024-09-25 11:48:20,223 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 25.09 11:48:20" (1/1) ... [2024-09-25 11:48:20,226 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 25.09 11:48:20" (1/1) ... [2024-09-25 11:48:20,227 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 25.09 11:48:20" (1/1) ... [2024-09-25 11:48:20,228 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 25.09 11:48:20" (1/1) ... [2024-09-25 11:48:20,229 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-25 11:48:20,230 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-25 11:48:20,230 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-25 11:48:20,230 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-25 11:48:20,231 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 25.09 11:48:20" (1/1) ... [2024-09-25 11:48:20,237 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-25 11:48:20,243 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-09-25 11:48:20,256 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 11:48:20,258 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 11:48:20,292 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-09-25 11:48:20,292 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-25 11:48:20,292 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-09-25 11:48:20,292 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-09-25 11:48:20,293 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-09-25 11:48:20,293 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-09-25 11:48:20,293 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-09-25 11:48:20,293 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-09-25 11:48:20,293 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-09-25 11:48:20,293 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-25 11:48:20,293 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2024-09-25 11:48:20,293 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-09-25 11:48:20,293 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-09-25 11:48:20,293 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-09-25 11:48:20,294 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-09-25 11:48:20,294 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-09-25 11:48:20,294 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-25 11:48:20,294 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-09-25 11:48:20,294 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-09-25 11:48:20,294 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-09-25 11:48:20,347 INFO L241 CfgBuilder]: Building ICFG [2024-09-25 11:48:20,349 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-25 11:48:20,533 WARN L782 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-25 11:48:20,551 INFO L290 CfgBuilder]: Performing block encoding [2024-09-25 11:48:20,588 INFO L312 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-25 11:48:20,591 INFO L317 CfgBuilder]: Removed 1 assume(true) statements. [2024-09-25 11:48:20,592 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 11:48:20 BoogieIcfgContainer [2024-09-25 11:48:20,592 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-25 11:48:20,592 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-09-25 11:48:20,593 INFO L270 PluginConnector]: Initializing Referee... [2024-09-25 11:48:20,593 INFO L274 PluginConnector]: Referee initialized [2024-09-25 11:48:20,594 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 25.09 11:48:19" (1/4) ... [2024-09-25 11:48:20,594 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@588e4f8b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 25.09 11:48:20, skipping insertion in model container [2024-09-25 11:48:20,594 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 11:48:19" (2/4) ... [2024-09-25 11:48:20,594 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@588e4f8b and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 25.09 11:48:20, skipping insertion in model container [2024-09-25 11:48:20,594 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 25.09 11:48:20" (3/4) ... [2024-09-25 11:48:20,595 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@588e4f8b and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 25.09 11:48:20, skipping insertion in model container [2024-09-25 11:48:20,595 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 11:48:20" (4/4) ... [2024-09-25 11:48:20,597 INFO L79 RefereeObserver]: Analyzing ICFG lcm2_valuebound1.c [2024-09-25 11:48:20,600 INFO L113 InvariantChecker]: Found 1 loops. [2024-09-25 11:48:20,601 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 11:48:20,601 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L43-2 to ERROR_LOC mainErr2REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 7 edges. [2024-09-25 11:48:20,601 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L43-2 to ERROR_LOC mainErr1REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 3 edges. [2024-09-25 11:48:20,601 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 11:48:20,601 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 11:48:20,602 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 10 edges. [2024-09-25 11:48:20,602 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L43-2 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 7 edges. [2024-09-25 11:48:20,602 INFO L131 InvariantChecker]: Will check 1 loop-free subgraphs from loop head to loop head, 3 loop-free subgraphs from procedure entry to error location, 1 loop-free subgraphs from procedure entry to loop head, 2 loop-free subgraphs from loop head to error location [2024-09-25 11:48:20,666 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 4 edges [2024-09-25 11:48:20,666 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 11:48:20,667 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 11:48:20,669 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 11:48:20,671 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 11:48:20,676 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:48:20,690 INFO L101 BaseMinimizeStates]: Removed 6 edges and 2 locations by large block encoding [2024-09-25 11:48:20,693 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:48:20,693 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 11:48:20,694 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 11:48:20,694 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 11:48:20,698 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 11:48:20,725 INFO L520 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to error location assume_abort_if_notErr0ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-25 11:48:20,757 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 7 edges [2024-09-25 11:48:20,757 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 11:48:20,757 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 11:48:20,757 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 11:48:20,757 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 11:48:20,758 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:48:20,783 INFO L101 BaseMinimizeStates]: Removed 12 edges and 4 locations by large block encoding [2024-09-25 11:48:20,785 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:48:20,785 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 11:48:20,786 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 11:48:20,786 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 11:48:20,786 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 11:48:20,788 INFO L520 InvariantChecker]: The annotation(s) from loop head L43-2 to error location mainErr2REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-25 11:48:20,808 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-25 11:48:20,808 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 11:48:20,809 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 11:48:20,809 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 11:48:20,809 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 11:48:20,809 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:48:20,815 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-25 11:48:20,815 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:48:20,815 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 11:48:20,815 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 11:48:20,816 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 11:48:20,816 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 11:48:24,822 INFO L516 InvariantChecker]: unknown inductivity: todo good error message [2024-09-25 11:48:24,844 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 5 edges [2024-09-25 11:48:24,845 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 11:48:24,848 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 11:48:24,848 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 11:48:24,848 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 11:48:24,849 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:48:24,851 INFO L101 BaseMinimizeStates]: Removed 8 edges and 3 locations by large block encoding [2024-09-25 11:48:24,851 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:48:24,851 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 11:48:24,852 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 11:48:24,854 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 11:48:24,855 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 11:48:24,859 INFO L520 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-25 11:48:24,878 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-25 11:48:24,878 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 11:48:24,878 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 11:48:24,878 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 11:48:24,879 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 11:48:24,879 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:48:24,881 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-25 11:48:24,881 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:48:24,881 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 11:48:24,882 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 11:48:24,882 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 11:48:24,883 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 11:48:24,885 INFO L520 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION is inductive. [2024-09-25 11:48:24,904 INFO L314 BlockEncoder]: Initial Icfg 11 locations, 10 edges [2024-09-25 11:48:24,904 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 11:48:24,904 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 11:48:24,904 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 11:48:24,905 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 11:48:24,905 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:48:24,919 INFO L101 BaseMinimizeStates]: Removed 18 edges and 9 locations by large block encoding [2024-09-25 11:48:24,920 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:48:24,920 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 11:48:24,920 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 11:48:24,920 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 11:48:24,920 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 11:48:24,927 INFO L520 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-25 11:48:24,942 INFO L314 BlockEncoder]: Initial Icfg 7 locations, 7 edges [2024-09-25 11:48:24,943 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 11:48:24,943 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 11:48:24,943 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 11:48:24,943 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 11:48:24,943 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:48:24,962 INFO L101 BaseMinimizeStates]: Removed 12 edges and 5 locations by large block encoding [2024-09-25 11:48:24,962 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:48:24,962 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 11:48:24,962 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 11:48:24,963 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 11:48:24,968 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 11:48:24,974 INFO L520 InvariantChecker]: The annotation(s) from loop head L43-2 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-25 11:48:24,978 INFO L58 RefereeStarter]: Insufficient resources for checking whether annotation is a valid proof of correctness. [2024-09-25 11:48:24,979 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@588e4f8b and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CFG 25.09 11:48:24, skipping insertion in model container [2024-09-25 11:48:24,979 INFO L131 PluginConnector]: ------------------------ END Referee---------------------------- [2024-09-25 11:48:24,982 INFO L158 Benchmark]: Toolchain (without parser) took 5125.77ms. Allocated memory is still 167.8MB. Free memory was 98.1MB in the beginning and 82.0MB in the end (delta: 16.1MB). Peak memory consumption was 17.1MB. Max. memory is 16.1GB. [2024-09-25 11:48:24,982 INFO L158 Benchmark]: CDTParser took 0.19ms. Allocated memory is still 167.8MB. Free memory is still 126.8MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-25 11:48:24,984 INFO L158 Benchmark]: Witness Parser took 0.18ms. Allocated memory is still 167.8MB. Free memory is still 100.0MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-25 11:48:24,984 INFO L158 Benchmark]: CACSL2BoogieTranslator took 330.56ms. Allocated memory is still 167.8MB. Free memory was 97.9MB in the beginning and 138.5MB in the end (delta: -40.6MB). Peak memory consumption was 17.1MB. Max. memory is 16.1GB. [2024-09-25 11:48:24,985 INFO L158 Benchmark]: Boogie Preprocessor took 40.64ms. Allocated memory is still 167.8MB. Free memory was 138.5MB in the beginning and 136.4MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-09-25 11:48:24,986 INFO L158 Benchmark]: RCFGBuilder took 361.86ms. Allocated memory is still 167.8MB. Free memory was 136.4MB in the beginning and 121.8MB in the end (delta: 14.6MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-09-25 11:48:24,986 INFO L158 Benchmark]: Referee took 4386.99ms. Allocated memory is still 167.8MB. Free memory was 121.8MB in the beginning and 82.0MB in the end (delta: 39.8MB). Peak memory consumption was 39.8MB. Max. memory is 16.1GB. [2024-09-25 11:48:24,991 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.referee: - AnnotationCheckResult: Insufficient resources for checking whether annotation is a valid proof of correctness. Insufficient resources for checking whether annotation is a valid proof of correctness. Insufficient resources for checking whether annotation is valid for all loop-free paths from loop head at line 37 to check that procedure precondition always holds at line 38. Annotation is valid for all loop-free paths from loop head at line 37 to check that procedure precondition always holds at line 37. 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 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 37. Annotation is valid for all loop-free paths from loop head at line 37 to loop head at line 37. * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19ms. Allocated memory is still 167.8MB. Free memory is still 126.8MB. There was no memory consumed. Max. memory is 16.1GB. * Witness Parser took 0.18ms. Allocated memory is still 167.8MB. Free memory is still 100.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 330.56ms. Allocated memory is still 167.8MB. Free memory was 97.9MB in the beginning and 138.5MB in the end (delta: -40.6MB). Peak memory consumption was 17.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 40.64ms. Allocated memory is still 167.8MB. Free memory was 138.5MB in the beginning and 136.4MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 361.86ms. Allocated memory is still 167.8MB. Free memory was 136.4MB in the beginning and 121.8MB in the end (delta: 14.6MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Referee took 4386.99ms. Allocated memory is still 167.8MB. Free memory was 121.8MB in the beginning and 82.0MB in the end (delta: 39.8MB). Peak memory consumption was 39.8MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-09-25 11:48:25,015 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 Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### 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/lcm2_valuebound1.c ../results/automizer-verification-files/SV-COMP24_unreach-call/lcm2_valuebound1.yml/witness-2.1.yml -s /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Bitvector.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 11:48:27,193 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-25 11:48:27,264 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Bitvector.epf [2024-09-25 11:48:27,270 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-25 11:48:27,271 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-25 11:48:27,312 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-25 11:48:27,313 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-25 11:48:27,313 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-25 11:48:27,314 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-25 11:48:27,315 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-25 11:48:27,315 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-25 11:48:27,315 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-25 11:48:27,316 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-25 11:48:27,320 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-25 11:48:27,320 INFO L153 SettingsManager]: * Use SBE=true [2024-09-25 11:48:27,320 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-25 11:48:27,321 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-25 11:48:27,321 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-25 11:48:27,321 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-25 11:48:27,321 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-25 11:48:27,322 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-25 11:48:27,322 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-25 11:48:27,323 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-25 11:48:27,326 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-09-25 11:48:27,326 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-09-25 11:48:27,326 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-25 11:48:27,327 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-09-25 11:48:27,327 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-25 11:48:27,327 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-25 11:48:27,327 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-25 11:48:27,328 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-25 11:48:27,328 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-25 11:48:27,329 INFO L153 SettingsManager]: * Future-live optimization=false [2024-09-25 11:48:27,329 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-25 11:48:27,329 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-25 11:48:27,330 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-25 11:48:27,330 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-25 11:48:27,331 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-25 11:48:27,331 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-25 11:48:27,331 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-09-25 11:48:27,331 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-09-25 11:48:27,331 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-25 11:48:27,332 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-25 11:48:27,332 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-25 11:48:27,332 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-25 11:48:27,332 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2024-09-25 11:48:27,333 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None [2024-09-25 11:48:27,647 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-25 11:48:27,663 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-25 11:48:27,665 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-25 11:48:27,666 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-25 11:48:27,667 INFO L274 PluginConnector]: CDTParser initialized [2024-09-25 11:48:27,668 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/nla-digbench-scaling/lcm2_valuebound1.c [2024-09-25 11:48:29,180 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-25 11:48:29,406 INFO L384 CDTParser]: Found 1 translation units. [2024-09-25 11:48:29,407 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench-scaling/lcm2_valuebound1.c [2024-09-25 11:48:29,413 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/dbb1ac43a/a1095575f56647458a417718c70f6ab7/FLAG1e724e78c [2024-09-25 11:48:29,425 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/dbb1ac43a/a1095575f56647458a417718c70f6ab7 [2024-09-25 11:48:29,427 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-25 11:48:29,427 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-25 11:48:29,428 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/automizer-verification-files/SV-COMP24_unreach-call/lcm2_valuebound1.yml/witness-2.1.yml [2024-09-25 11:48:29,473 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-25 11:48:29,475 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-09-25 11:48:29,475 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-25 11:48:29,476 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-25 11:48:29,480 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-25 11:48:29,481 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 11:48:29" (1/2) ... [2024-09-25 11:48:29,482 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@64b9278a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 11:48:29, skipping insertion in model container [2024-09-25 11:48:29,482 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 11:48:29" (1/2) ... [2024-09-25 11:48:29,484 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@1f968578 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 11:48:29, skipping insertion in model container [2024-09-25 11:48:29,484 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 11:48:29" (2/2) ... [2024-09-25 11:48:29,488 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@64b9278a and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 25.09 11:48:29, skipping insertion in model container [2024-09-25 11:48:29,489 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 11:48:29" (2/2) ... [2024-09-25 11:48:29,499 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-25 11:48:29,499 INFO L1541 ArrayList]: Loop invariant at [L37-L50] ((((((a == v) && (b == y)) && (b == u)) && (y == 1)) && (x == 1)) && (a == x)) [2024-09-25 11:48:29,500 INFO L1541 ArrayList]: Function contract at [L8]: requires null, ensures (cond != 0) [2024-09-25 11:48:29,500 INFO L1541 ArrayList]: Function contract at [L11]: requires (cond == 1), ensures (cond == 1) [2024-09-25 11:48:29,519 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-25 11:48:29,697 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/lcm2_valuebound1.c[537,550] [2024-09-25 11:48:29,722 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-25 11:48:29,737 INFO L200 MainTranslator]: Completed pre-run Start Parsing Global Start Parsing Global Start Parsing Global [2024-09-25 11:48:29,785 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/lcm2_valuebound1.c[537,550] Start Parsing Local [2024-09-25 11:48:29,800 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-25 11:48:29,822 INFO L204 MainTranslator]: Completed translation [2024-09-25 11:48:29,823 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 25.09 11:48:29 WrapperNode [2024-09-25 11:48:29,823 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-25 11:48:29,825 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-25 11:48:29,825 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-25 11:48:29,825 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-25 11:48:29,839 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 25.09 11:48:29" (1/1) ... [2024-09-25 11:48:29,839 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 25.09 11:48:29" (1/1) ... [2024-09-25 11:48:29,852 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 25.09 11:48:29" (1/1) ... [2024-09-25 11:48:29,866 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 11:48:29,870 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 25.09 11:48:29" (1/1) ... [2024-09-25 11:48:29,871 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 25.09 11:48:29" (1/1) ... [2024-09-25 11:48:29,875 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 25.09 11:48:29" (1/1) ... [2024-09-25 11:48:29,880 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 25.09 11:48:29" (1/1) ... [2024-09-25 11:48:29,882 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 25.09 11:48:29" (1/1) ... [2024-09-25 11:48:29,887 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 25.09 11:48:29" (1/1) ... [2024-09-25 11:48:29,889 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-25 11:48:29,890 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-25 11:48:29,890 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-25 11:48:29,890 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-25 11:48:29,891 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 25.09 11:48:29" (1/1) ... [2024-09-25 11:48:29,897 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-25 11:48:29,909 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-09-25 11:48:29,924 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 11:48:29,927 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 11:48:29,976 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-09-25 11:48:29,977 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-25 11:48:29,977 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-09-25 11:48:29,977 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-09-25 11:48:29,977 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-09-25 11:48:29,977 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-09-25 11:48:29,977 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-09-25 11:48:29,978 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-09-25 11:48:29,978 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-09-25 11:48:29,978 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-25 11:48:29,978 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2024-09-25 11:48:29,978 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-09-25 11:48:29,978 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-09-25 11:48:29,979 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-09-25 11:48:29,979 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-09-25 11:48:29,979 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-09-25 11:48:29,980 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-25 11:48:29,980 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2024-09-25 11:48:29,980 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2024-09-25 11:48:29,980 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-09-25 11:48:30,057 INFO L241 CfgBuilder]: Building ICFG [2024-09-25 11:48:30,060 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-25 11:48:30,483 WARN L782 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-25 11:48:30,514 INFO L290 CfgBuilder]: Performing block encoding [2024-09-25 11:48:30,553 INFO L312 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-25 11:48:30,554 INFO L317 CfgBuilder]: Removed 1 assume(true) statements. [2024-09-25 11:48:30,555 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 11:48:30 BoogieIcfgContainer [2024-09-25 11:48:30,555 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-25 11:48:30,556 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-09-25 11:48:30,556 INFO L270 PluginConnector]: Initializing Referee... [2024-09-25 11:48:30,557 INFO L274 PluginConnector]: Referee initialized [2024-09-25 11:48:30,557 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 25.09 11:48:29" (1/4) ... [2024-09-25 11:48:30,559 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@36065378 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 25.09 11:48:30, skipping insertion in model container [2024-09-25 11:48:30,559 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 11:48:29" (2/4) ... [2024-09-25 11:48:30,559 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@36065378 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 25.09 11:48:30, skipping insertion in model container [2024-09-25 11:48:30,559 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 25.09 11:48:29" (3/4) ... [2024-09-25 11:48:30,560 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@36065378 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 25.09 11:48:30, skipping insertion in model container [2024-09-25 11:48:30,560 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 11:48:30" (4/4) ... [2024-09-25 11:48:30,562 INFO L79 RefereeObserver]: Analyzing ICFG lcm2_valuebound1.c [2024-09-25 11:48:30,581 INFO L113 InvariantChecker]: Found 1 loops. [2024-09-25 11:48:30,581 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 11:48:30,582 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L43-2 to ERROR_LOC mainErr2REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 7 edges. [2024-09-25 11:48:30,582 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L43-2 to ERROR_LOC mainErr1REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 3 edges. [2024-09-25 11:48:30,582 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 11:48:30,582 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 11:48:30,583 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 10 edges. [2024-09-25 11:48:30,583 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L43-2 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 7 edges. [2024-09-25 11:48:30,584 INFO L131 InvariantChecker]: Will check 3 loop-free subgraphs from procedure entry to error location, 2 loop-free subgraphs from loop head to error location, 1 loop-free subgraphs from procedure entry to loop head, 1 loop-free subgraphs from loop head to loop head [2024-09-25 11:48:30,632 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 4 edges [2024-09-25 11:48:30,634 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 11:48:30,634 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 11:48:30,635 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 11:48:30,636 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 11:48:30,638 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:48:30,650 INFO L101 BaseMinimizeStates]: Removed 6 edges and 2 locations by large block encoding [2024-09-25 11:48:30,651 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:48:30,651 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 11:48:30,651 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 11:48:30,652 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 11:48:30,658 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 11:48:30,677 INFO L520 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to error location assume_abort_if_notErr0ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-25 11:48:30,714 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 7 edges [2024-09-25 11:48:30,718 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 11:48:30,718 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 11:48:30,718 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 11:48:30,718 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 11:48:30,718 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:48:30,739 INFO L101 BaseMinimizeStates]: Removed 12 edges and 4 locations by large block encoding [2024-09-25 11:48:30,739 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:48:30,740 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 11:48:30,740 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 11:48:30,740 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 11:48:30,741 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 11:48:30,746 INFO L520 InvariantChecker]: The annotation(s) from loop head L43-2 to error location mainErr2REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-25 11:48:30,769 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-25 11:48:30,769 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 11:48:30,769 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 11:48:30,770 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 11:48:30,770 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 11:48:30,770 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:48:30,776 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-25 11:48:30,777 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:48:30,778 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 11:48:30,778 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 11:48:30,778 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 11:48:30,779 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 11:48:30,782 INFO L520 InvariantChecker]: The annotation(s) from loop head L43-2 to error location mainErr1REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-25 11:48:30,806 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 5 edges [2024-09-25 11:48:30,807 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 11:48:30,807 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 11:48:30,807 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 11:48:30,807 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 11:48:30,808 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:48:30,810 INFO L101 BaseMinimizeStates]: Removed 8 edges and 3 locations by large block encoding [2024-09-25 11:48:30,811 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:48:30,811 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 11:48:30,811 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 11:48:30,811 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 11:48:30,812 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 11:48:30,813 INFO L520 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-25 11:48:30,824 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-25 11:48:30,825 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 11:48:30,825 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 11:48:30,825 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 11:48:30,825 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 11:48:30,825 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:48:30,827 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-25 11:48:30,827 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:48:30,827 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 11:48:30,828 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 11:48:30,828 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 11:48:30,828 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 11:48:30,829 INFO L520 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION is inductive. [2024-09-25 11:48:30,849 INFO L314 BlockEncoder]: Initial Icfg 11 locations, 10 edges [2024-09-25 11:48:30,849 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 11:48:30,849 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 11:48:30,849 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 11:48:30,850 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 11:48:30,850 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:48:30,862 INFO L101 BaseMinimizeStates]: Removed 18 edges and 9 locations by large block encoding [2024-09-25 11:48:30,862 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:48:30,862 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 11:48:30,862 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 11:48:30,862 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 11:48:30,863 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 11:48:30,866 INFO L520 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-25 11:48:30,877 INFO L314 BlockEncoder]: Initial Icfg 7 locations, 7 edges [2024-09-25 11:48:30,877 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 11:48:30,877 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 11:48:30,878 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 11:48:30,878 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 11:48:30,878 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:48:30,893 INFO L101 BaseMinimizeStates]: Removed 12 edges and 5 locations by large block encoding [2024-09-25 11:48:30,894 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:48:30,894 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 11:48:30,894 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 11:48:30,894 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 11:48:30,899 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 11:48:30,917 INFO L520 InvariantChecker]: The annotation(s) from loop head L43-2 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-25 11:48:30,926 INFO L58 RefereeStarter]: Annotation is a valid proof of correctness. [2024-09-25 11:48:30,927 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@36065378 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CFG 25.09 11:48:30, skipping insertion in model container [2024-09-25 11:48:30,927 INFO L131 PluginConnector]: ------------------------ END Referee---------------------------- [2024-09-25 11:48:30,929 INFO L158 Benchmark]: Toolchain (without parser) took 1453.34ms. Allocated memory was 65.0MB in the beginning and 83.9MB in the end (delta: 18.9MB). Free memory was 39.4MB in the beginning and 45.9MB in the end (delta: -6.5MB). Peak memory consumption was 22.0MB. Max. memory is 16.1GB. [2024-09-25 11:48:30,929 INFO L158 Benchmark]: CDTParser took 0.22ms. Allocated memory is still 39.8MB. Free memory was 21.5MB in the beginning and 21.4MB in the end (delta: 42.1kB). There was no memory consumed. Max. memory is 16.1GB. [2024-09-25 11:48:30,930 INFO L158 Benchmark]: Witness Parser took 0.12ms. Allocated memory is still 65.0MB. Free memory is still 41.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-25 11:48:30,930 INFO L158 Benchmark]: CACSL2BoogieTranslator took 348.28ms. Allocated memory is still 65.0MB. Free memory was 39.2MB in the beginning and 42.8MB in the end (delta: -3.7MB). Peak memory consumption was 13.6MB. Max. memory is 16.1GB. [2024-09-25 11:48:30,931 INFO L158 Benchmark]: Boogie Preprocessor took 64.55ms. Allocated memory is still 65.0MB. Free memory was 42.8MB in the beginning and 40.5MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-09-25 11:48:30,931 INFO L158 Benchmark]: RCFGBuilder took 665.47ms. Allocated memory is still 65.0MB. Free memory was 40.5MB in the beginning and 25.0MB in the end (delta: 15.5MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-09-25 11:48:30,932 INFO L158 Benchmark]: Referee took 371.13ms. Allocated memory was 65.0MB in the beginning and 83.9MB in the end (delta: 18.9MB). Free memory was 25.0MB in the beginning and 45.9MB in the end (delta: -20.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-09-25 11:48:30,934 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 assume_abort_if_not to exit of procedure assume_abort_if_not. Annotation is valid for all loop-free paths from loop head at line 37 to check that procedure precondition always holds at line 37. 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 37 to loop head at line 37. Annotation is valid for all loop-free paths from loop head at line 37 to check that procedure precondition always holds at line 38. 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 37. * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22ms. Allocated memory is still 39.8MB. Free memory was 21.5MB in the beginning and 21.4MB in the end (delta: 42.1kB). There was no memory consumed. Max. memory is 16.1GB. * Witness Parser took 0.12ms. Allocated memory is still 65.0MB. Free memory is still 41.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 348.28ms. Allocated memory is still 65.0MB. Free memory was 39.2MB in the beginning and 42.8MB in the end (delta: -3.7MB). Peak memory consumption was 13.6MB. Max. memory is 16.1GB. * Boogie Preprocessor took 64.55ms. Allocated memory is still 65.0MB. Free memory was 42.8MB in the beginning and 40.5MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 665.47ms. Allocated memory is still 65.0MB. Free memory was 40.5MB in the beginning and 25.0MB in the end (delta: 15.5MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Referee took 371.13ms. Allocated memory was 65.0MB in the beginning and 83.9MB in the end (delta: 18.9MB). Free memory was 25.0MB in the beginning and 45.9MB in the end (delta: -20.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2024-09-25 11:48:30,975 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