./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/nla-digbench-scaling/cohendiv-ll_valuebound2.c --full-output --witness-type correctness_witness --validate ../results/automizer-verification-files/SV-COMP24_unreach-call/cohendiv-ll_valuebound2.yml/witness-2.1.yml --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version ca4ee3dd Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/certificate-witnesses-artifact/referee/data/config -Xmx15G -Xms4m -jar /storage/repos/certificate-witnesses-artifact/referee/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/certificate-witnesses-artifact/referee/data -tc /storage/repos/certificate-witnesses-artifact/referee/config/RefereeReachWitnessValidation.xml -i ../sv-benchmarks/c/nla-digbench-scaling/cohendiv-ll_valuebound2.c ../results/automizer-verification-files/SV-COMP24_unreach-call/cohendiv-ll_valuebound2.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-ca4ee3d-m [2024-09-20 20:10:24,212 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-20 20:10:24,302 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Default.epf [2024-09-20 20:10:24,308 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-20 20:10:24,309 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-20 20:10:24,335 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-20 20:10:24,336 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-20 20:10:24,336 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-20 20:10:24,337 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-20 20:10:24,338 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-20 20:10:24,338 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-20 20:10:24,339 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-20 20:10:24,339 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-20 20:10:24,339 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-20 20:10:24,341 INFO L153 SettingsManager]: * Use SBE=true [2024-09-20 20:10:24,342 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-20 20:10:24,342 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-20 20:10:24,342 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-20 20:10:24,343 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-09-20 20:10:24,343 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-20 20:10:24,343 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-20 20:10:24,347 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-20 20:10:24,347 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-20 20:10:24,347 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-20 20:10:24,348 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-20 20:10:24,348 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-20 20:10:24,348 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-20 20:10:24,348 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-20 20:10:24,349 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-20 20:10:24,349 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-20 20:10:24,354 INFO L153 SettingsManager]: * Future-live optimization=false [2024-09-20 20:10:24,354 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-20 20:10:24,355 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-20 20:10:24,355 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-20 20:10:24,355 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-20 20:10:24,355 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-20 20:10:24,357 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-20 20:10:24,357 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-09-20 20:10:24,358 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-09-20 20:10:24,358 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-20 20:10:24,358 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-20 20:10:24,358 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-20 20:10:24,358 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-20 20:10:24,359 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/certificate-witnesses-artifact/referee/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None [2024-09-20 20:10:24,627 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-20 20:10:24,679 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-20 20:10:24,682 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-20 20:10:24,683 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-20 20:10:24,683 INFO L274 PluginConnector]: CDTParser initialized [2024-09-20 20:10:24,685 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/nla-digbench-scaling/cohendiv-ll_valuebound2.c [2024-09-20 20:10:26,150 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-20 20:10:26,340 INFO L384 CDTParser]: Found 1 translation units. [2024-09-20 20:10:26,342 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench-scaling/cohendiv-ll_valuebound2.c [2024-09-20 20:10:26,350 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/bd2843bb5/8d6d2ccd0fef4b31986beb2c266f250d/FLAG5dba2a036 [2024-09-20 20:10:26,366 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/bd2843bb5/8d6d2ccd0fef4b31986beb2c266f250d [2024-09-20 20:10:26,368 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-20 20:10:26,368 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-20 20:10:26,369 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/automizer-verification-files/SV-COMP24_unreach-call/cohendiv-ll_valuebound2.yml/witness-2.1.yml [2024-09-20 20:10:26,420 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-20 20:10:26,422 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-09-20 20:10:26,425 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-20 20:10:26,425 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-20 20:10:26,430 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-20 20:10:26,431 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 08:10:26" (1/2) ... [2024-09-20 20:10:26,432 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2b3ab338 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 08:10:26, skipping insertion in model container [2024-09-20 20:10:26,432 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 08:10:26" (1/2) ... [2024-09-20 20:10:26,435 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@1291914c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 08:10:26, skipping insertion in model container [2024-09-20 20:10:26,436 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 20.09 08:10:26" (2/2) ... [2024-09-20 20:10:26,436 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2b3ab338 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 20.09 08:10:26, skipping insertion in model container [2024-09-20 20:10:26,436 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 20.09 08:10:26" (2/2) ... [2024-09-20 20:10:26,446 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-20 20:10:26,447 INFO L1541 ArrayList]: Loop invariant at [L38-L62] ((((((__int128) q * y) + r) == x) && (((((__int128) q * y) + r) + ((__int128) a * y)) == ((__int128) b + x))) && (1 <= y)) [2024-09-20 20:10:26,447 INFO L1541 ArrayList]: Loop invariant at [L47-L59] (((((((__int128) q * y) + r) == x) && (1 <= r)) && (((((__int128) q * y) + r) + ((__int128) a * y)) == ((__int128) b + x))) && (1 <= y)) [2024-09-20 20:10:26,447 INFO L1541 ArrayList]: Function contract at [L14]: requires (\old(cond) != 0), ensures (\old(cond) != 0) [2024-09-20 20:10:26,447 INFO L1541 ArrayList]: Function contract at [L11]: requires null, ensures (\old(cond) != 0) [2024-09-20 20:10:26,471 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-20 20:10:26,611 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/cohendiv-ll_valuebound2.c[576,589] [2024-09-20 20:10:26,633 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-20 20:10:26,641 INFO L200 MainTranslator]: Completed pre-run Start Parsing Global Start Parsing Global Start Parsing Global [2024-09-20 20:10:26,684 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/cohendiv-ll_valuebound2.c[576,589] Start Parsing Local Start Parsing Local [2024-09-20 20:10:26,700 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-20 20:10:26,716 INFO L204 MainTranslator]: Completed translation [2024-09-20 20:10:26,716 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 20.09 08:10:26 WrapperNode [2024-09-20 20:10:26,717 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-20 20:10:26,718 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-20 20:10:26,719 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-20 20:10:26,719 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-20 20:10:26,731 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 20.09 08:10:26" (1/1) ... [2024-09-20 20:10:26,732 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 20.09 08:10:26" (1/1) ... [2024-09-20 20:10:26,742 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 20.09 08:10:26" (1/1) ... [2024-09-20 20:10:26,759 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 [2024-09-20 20:10:26,759 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 20.09 08:10:26" (1/1) ... [2024-09-20 20:10:26,759 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 20.09 08:10:26" (1/1) ... [2024-09-20 20:10:26,763 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 20.09 08:10:26" (1/1) ... [2024-09-20 20:10:26,766 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 20.09 08:10:26" (1/1) ... [2024-09-20 20:10:26,769 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 20.09 08:10:26" (1/1) ... [2024-09-20 20:10:26,773 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 20.09 08:10:26" (1/1) ... [2024-09-20 20:10:26,775 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-20 20:10:26,775 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-20 20:10:26,775 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-20 20:10:26,776 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-20 20:10:26,776 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 20.09 08:10:26" (1/1) ... [2024-09-20 20:10:26,784 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-20 20:10:26,793 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-09-20 20:10:26,815 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/certificate-witnesses-artifact/referee/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-09-20 20:10:26,821 INFO L327 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/referee/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-09-20 20:10:26,863 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-09-20 20:10:26,863 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-20 20:10:26,864 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-09-20 20:10:26,865 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-09-20 20:10:26,865 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-09-20 20:10:26,865 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-09-20 20:10:26,866 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-09-20 20:10:26,866 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-09-20 20:10:26,866 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-09-20 20:10:26,866 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-20 20:10:26,866 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2024-09-20 20:10:26,867 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-09-20 20:10:26,867 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-09-20 20:10:26,867 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-09-20 20:10:26,867 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-09-20 20:10:26,867 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-09-20 20:10:26,868 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-20 20:10:26,868 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-09-20 20:10:26,868 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-09-20 20:10:26,869 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-09-20 20:10:26,927 INFO L242 CfgBuilder]: Building ICFG [2024-09-20 20:10:26,932 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-20 20:10:27,104 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-20 20:10:27,120 INFO L291 CfgBuilder]: Performing block encoding [2024-09-20 20:10:27,153 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-20 20:10:27,153 INFO L318 CfgBuilder]: Removed 2 assume(true) statements. [2024-09-20 20:10:27,153 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 08:10:27 BoogieIcfgContainer [2024-09-20 20:10:27,154 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-20 20:10:27,154 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-09-20 20:10:27,154 INFO L270 PluginConnector]: Initializing Referee... [2024-09-20 20:10:27,155 INFO L274 PluginConnector]: Referee initialized [2024-09-20 20:10:27,155 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 20.09 08:10:26" (1/4) ... [2024-09-20 20:10:27,156 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@653ccce and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 20.09 08:10:27, skipping insertion in model container [2024-09-20 20:10:27,156 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 20.09 08:10:26" (2/4) ... [2024-09-20 20:10:27,156 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@653ccce and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 20.09 08:10:27, skipping insertion in model container [2024-09-20 20:10:27,156 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 20.09 08:10:26" (3/4) ... [2024-09-20 20:10:27,157 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@653ccce and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 20.09 08:10:27, skipping insertion in model container [2024-09-20 20:10:27,157 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 08:10:27" (4/4) ... [2024-09-20 20:10:27,158 INFO L79 RefereeObserver]: Analyzing ICFG cohendiv-ll_valuebound2.c [2024-09-20 20:10:27,161 INFO L113 InvariantChecker]: Found 2 loops. [2024-09-20 20:10:27,162 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC assume_abort_if_notErr0ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 4 edges. [2024-09-20 20:10:27,162 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L38-3 to ERROR_LOC mainErr8REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 8 edges. [2024-09-20 20:10:27,162 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L38-3 to ERROR_LOC mainErr2REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 4 edges. [2024-09-20 20:10:27,163 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L47-3 to ERROR_LOC mainErr7REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 7 edges. [2024-09-20 20:10:27,163 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L47-3 to ERROR_LOC mainErr5REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 4 edges. [2024-09-20 20:10:27,163 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L38-3 to ERROR_LOC mainErr1REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 3 edges. [2024-09-20 20:10:27,163 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L47-3 to LOOP_INVARIANT_ERROR_LOC mainErr3ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 9 edges. [2024-09-20 20:10:27,163 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L38-3 to LOOP_INVARIANT_ERROR_LOC mainErr3ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 6 edges. [2024-09-20 20:10:27,163 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 7 edges. [2024-09-20 20:10:27,164 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L47-3 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 10 edges. [2024-09-20 20:10:27,164 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L47-3 to ERROR_LOC mainErr4REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 3 edges. [2024-09-20 20:10:27,164 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L47-3 to ERROR_LOC mainErr6REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 5 edges. [2024-09-20 20:10:27,164 INFO L373 InvariantChecker]: Will check inductivity from ENTRY __VERIFIER_assertENTRY to ERROR_LOC __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 5 edges. [2024-09-20 20:10:27,164 INFO L373 InvariantChecker]: Will check inductivity from ENTRY __VERIFIER_assertENTRY to ERROR_LOC __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 3 edges. [2024-09-20 20:10:27,164 INFO L131 InvariantChecker]: Will check 7 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, 3 loop-free subgraphs from loop head to loop head [2024-09-20 20:10:27,226 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 4 edges [2024-09-20 20:10:27,227 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 20:10:27,227 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 20:10:27,228 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 20:10:27,229 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 20:10:27,231 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:10:27,241 INFO L101 BaseMinimizeStates]: Removed 6 edges and 2 locations by large block encoding [2024-09-20 20:10:27,242 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:10:27,242 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 20:10:27,242 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 20:10:27,243 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 20:10:27,246 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 20:10:27,265 INFO L520 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to error location assume_abort_if_notErr0ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-20 20:10:27,294 INFO L314 BlockEncoder]: Initial Icfg 7 locations, 8 edges [2024-09-20 20:10:27,294 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 20:10:27,295 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 20:10:27,295 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 20:10:27,295 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 20:10:27,295 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:10:27,319 INFO L101 BaseMinimizeStates]: Removed 14 edges and 5 locations by large block encoding [2024-09-20 20:10:27,320 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:10:27,320 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 20:10:27,320 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 20:10:27,320 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 20:10:27,324 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 20:10:27,327 INFO L520 InvariantChecker]: The annotation(s) from loop head L38-3 to error location mainErr8REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-20 20:10:27,356 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 4 edges [2024-09-20 20:10:27,357 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 20:10:27,357 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 20:10:27,357 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 20:10:27,357 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 20:10:27,357 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:10:27,369 INFO L101 BaseMinimizeStates]: Removed 6 edges and 3 locations by large block encoding [2024-09-20 20:10:27,369 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:10:27,370 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 20:10:27,370 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 20:10:27,370 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 20:10:27,370 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 20:10:27,375 INFO L520 InvariantChecker]: The annotation(s) from loop head L38-3 to error location mainErr2REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-20 20:10:27,400 INFO L314 BlockEncoder]: Initial Icfg 8 locations, 7 edges [2024-09-20 20:10:27,401 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 20:10:27,401 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 20:10:27,401 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 20:10:27,402 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 20:10:27,402 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:10:27,419 INFO L101 BaseMinimizeStates]: Removed 12 edges and 6 locations by large block encoding [2024-09-20 20:10:27,419 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:10:27,420 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 20:10:27,420 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 20:10:27,420 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 20:10:27,420 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 20:10:27,428 INFO L520 InvariantChecker]: The annotation(s) from loop head L47-3 to error location mainErr7REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-20 20:10:27,450 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 4 edges [2024-09-20 20:10:27,451 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 20:10:27,451 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 20:10:27,451 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 20:10:27,451 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 20:10:27,453 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:10:27,458 INFO L101 BaseMinimizeStates]: Removed 6 edges and 3 locations by large block encoding [2024-09-20 20:10:27,460 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:10:27,461 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 20:10:27,461 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 20:10:27,461 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 20:10:27,462 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 20:10:27,464 INFO L520 InvariantChecker]: The annotation(s) from loop head L47-3 to error location mainErr5REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-20 20:10:27,476 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-20 20:10:27,477 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 20:10:27,478 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 20:10:27,478 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 20:10:27,478 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 20:10:27,478 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:10:27,482 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-20 20:10:27,482 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:10:27,483 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 20:10:27,483 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 20:10:27,483 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 20:10:27,483 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 20:10:27,487 INFO L520 InvariantChecker]: The annotation(s) from loop head L38-3 to error location mainErr1REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-20 20:10:27,501 INFO L314 BlockEncoder]: Initial Icfg 10 locations, 9 edges [2024-09-20 20:10:27,502 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 20:10:27,502 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 20:10:27,503 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 20:10:27,503 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 20:10:27,503 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:10:27,520 INFO L101 BaseMinimizeStates]: Removed 16 edges and 8 locations by large block encoding [2024-09-20 20:10:27,521 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:10:27,521 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 20:10:27,521 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 20:10:27,522 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 20:10:27,522 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 20:10:27,526 INFO L520 InvariantChecker]: The annotation(s) from loop head L47-3 to loop head mainErr3ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-20 20:10:27,564 INFO L314 BlockEncoder]: Initial Icfg 7 locations, 6 edges [2024-09-20 20:10:27,564 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 20:10:27,564 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 20:10:27,564 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 20:10:27,565 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 20:10:27,565 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:10:27,578 INFO L101 BaseMinimizeStates]: Removed 10 edges and 5 locations by large block encoding [2024-09-20 20:10:27,578 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:10:27,579 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 20:10:27,580 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 20:10:27,580 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 20:10:27,580 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 20:10:27,584 INFO L520 InvariantChecker]: The annotation(s) from loop head L38-3 to loop head mainErr3ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-20 20:10:27,599 INFO L314 BlockEncoder]: Initial Icfg 8 locations, 7 edges [2024-09-20 20:10:27,600 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 20:10:27,600 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 20:10:27,600 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 20:10:27,600 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 20:10:27,600 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:10:27,623 INFO L101 BaseMinimizeStates]: Removed 12 edges and 6 locations by large block encoding [2024-09-20 20:10:27,626 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:10:27,626 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 20:10:27,627 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 20:10:27,627 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 20:10:27,627 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 20:10:27,633 INFO L520 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-20 20:10:27,645 INFO L314 BlockEncoder]: Initial Icfg 9 locations, 10 edges [2024-09-20 20:10:27,645 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 20:10:27,646 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 20:10:27,646 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 20:10:27,646 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 20:10:27,646 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:10:27,658 INFO L101 BaseMinimizeStates]: Removed 20 edges and 7 locations by large block encoding [2024-09-20 20:10:27,659 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:10:27,659 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 20:10:27,659 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 20:10:27,659 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 20:10:27,662 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 20:10:27,666 INFO L520 InvariantChecker]: The annotation(s) from loop head L47-3 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-20 20:10:27,678 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-20 20:10:27,679 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 20:10:27,679 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 20:10:27,679 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 20:10:27,679 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 20:10:27,679 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:10:27,681 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-20 20:10:27,682 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:10:27,682 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 20:10:27,682 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 20:10:27,682 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 20:10:27,682 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 20:10:27,685 INFO L520 InvariantChecker]: The annotation(s) from loop head L47-3 to error location mainErr4REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-20 20:10:27,696 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 5 edges [2024-09-20 20:10:27,696 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 20:10:27,696 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 20:10:27,696 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 20:10:27,697 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 20:10:27,697 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:10:27,708 INFO L101 BaseMinimizeStates]: Removed 8 edges and 4 locations by large block encoding [2024-09-20 20:10:27,708 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:10:27,710 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 20:10:27,710 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 20:10:27,710 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 20:10:27,711 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 20:10:27,713 INFO L520 InvariantChecker]: The annotation(s) from loop head L47-3 to error location mainErr6REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-20 20:10:27,723 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 5 edges [2024-09-20 20:10:27,723 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 20:10:27,723 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 20:10:27,723 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 20:10:27,724 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 20:10:27,724 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:10:27,726 INFO L101 BaseMinimizeStates]: Removed 8 edges and 3 locations by large block encoding [2024-09-20 20:10:27,726 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:10:27,727 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 20:10:27,727 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 20:10:27,727 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 20:10:27,727 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 20:10:27,729 INFO L520 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-20 20:10:27,738 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-20 20:10:27,738 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 20:10:27,738 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 20:10:27,739 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 20:10:27,739 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 20:10:27,739 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:10:27,740 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-20 20:10:27,740 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:10:27,740 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 20:10:27,741 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 20:10:27,741 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 20:10:27,741 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 20:10:27,743 INFO L520 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION is inductive. [2024-09-20 20:10:27,747 INFO L58 RefereeStarter]: Annotation is a valid proof of correctness. [2024-09-20 20:10:27,747 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@653ccce and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CFG 20.09 08:10:27, skipping insertion in model container [2024-09-20 20:10:27,747 INFO L131 PluginConnector]: ------------------------ END Referee---------------------------- [2024-09-20 20:10:27,749 INFO L158 Benchmark]: Toolchain (without parser) took 1326.16ms. Allocated memory is still 167.8MB. Free memory was 113.0MB in the beginning and 107.9MB in the end (delta: 5.1MB). Peak memory consumption was 73.4MB. Max. memory is 16.1GB. [2024-09-20 20:10:27,749 INFO L158 Benchmark]: CDTParser took 0.19ms. Allocated memory is still 167.8MB. Free memory is still 135.0MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-20 20:10:27,750 INFO L158 Benchmark]: Witness Parser took 0.13ms. Allocated memory is still 167.8MB. Free memory is still 114.7MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-20 20:10:27,750 INFO L158 Benchmark]: CACSL2BoogieTranslator took 292.50ms. Allocated memory is still 167.8MB. Free memory was 112.6MB in the beginning and 98.9MB in the end (delta: 13.8MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-09-20 20:10:27,752 INFO L158 Benchmark]: Boogie Preprocessor took 56.91ms. Allocated memory is still 167.8MB. Free memory was 98.9MB in the beginning and 96.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-09-20 20:10:27,753 INFO L158 Benchmark]: RCFGBuilder took 378.25ms. Allocated memory is still 167.8MB. Free memory was 96.8MB in the beginning and 81.7MB in the end (delta: 15.0MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-09-20 20:10:27,753 INFO L158 Benchmark]: Referee took 592.97ms. Allocated memory is still 167.8MB. Free memory was 81.7MB in the beginning and 107.9MB in the end (delta: -26.2MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. [2024-09-20 20:10:27,757 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 38 to check that procedure precondition always holds at line 39. Annotation is valid for all loop-free paths from loop head at line 47 to check that procedure precondition always holds at line 55. Annotation is valid for all loop-free paths from loop head at line 38 to check that procedure precondition always holds at line 39. Annotation is valid for all loop-free paths from loop head at line 47 to check that procedure precondition always holds at line 48. Annotation is valid for all loop-free paths from loop head at line 47 to check that procedure precondition always holds at line 49. Annotation is valid for all loop-free paths from loop head at line 38 to loop head at line 47. Annotation is valid for all loop-free paths from entry of procedure __VERIFIER_assert to exit of procedure __VERIFIER_assert. Annotation is valid for all loop-free paths from loop head at line 47 to loop head at line 47. 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 16. Annotation is valid for all loop-free paths from loop head at line 47 to check that procedure precondition always holds at line 48. Annotation is valid for all loop-free paths from entry of procedure main to loop head at line 38. Annotation is valid for all loop-free paths from loop head at line 47 to loop head at line 38. 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 38 to check that procedure precondition always holds at line 38. * 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 135.0MB. There was no memory consumed. Max. memory is 16.1GB. * Witness Parser took 0.13ms. Allocated memory is still 167.8MB. Free memory is still 114.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 292.50ms. Allocated memory is still 167.8MB. Free memory was 112.6MB in the beginning and 98.9MB in the end (delta: 13.8MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Preprocessor took 56.91ms. Allocated memory is still 167.8MB. Free memory was 98.9MB in the beginning and 96.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 378.25ms. Allocated memory is still 167.8MB. Free memory was 96.8MB in the beginning and 81.7MB in the end (delta: 15.0MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Referee took 592.97ms. Allocated memory is still 167.8MB. Free memory was 81.7MB in the beginning and 107.9MB in the end (delta: -26.2MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2024-09-20 20:10:27,786 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