./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 de325976 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-de32597-m [2024-09-17 19:40:11,789 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-17 19:40:11,878 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Default.epf [2024-09-17 19:40:11,885 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-17 19:40:11,885 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-17 19:40:11,914 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-17 19:40:11,914 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-17 19:40:11,915 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-17 19:40:11,915 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-17 19:40:11,916 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-17 19:40:11,916 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-17 19:40:11,916 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-17 19:40:11,917 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-17 19:40:11,917 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-17 19:40:11,918 INFO L153 SettingsManager]: * Use SBE=true [2024-09-17 19:40:11,918 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-17 19:40:11,919 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-17 19:40:11,919 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-17 19:40:11,919 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-09-17 19:40:11,920 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-17 19:40:11,920 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-17 19:40:11,921 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-17 19:40:11,921 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-17 19:40:11,921 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-17 19:40:11,922 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-17 19:40:11,922 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-17 19:40:11,922 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-17 19:40:11,923 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-17 19:40:11,923 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-17 19:40:11,923 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-17 19:40:11,924 INFO L153 SettingsManager]: * Future-live optimization=false [2024-09-17 19:40:11,924 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-17 19:40:11,924 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-17 19:40:11,925 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-17 19:40:11,925 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-17 19:40:11,925 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-17 19:40:11,926 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-17 19:40:11,926 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-09-17 19:40:11,926 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-09-17 19:40:11,927 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-17 19:40:11,927 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-17 19:40:11,929 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-17 19:40:11,929 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-17 19:40:11,929 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None [2024-09-17 19:40:12,177 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-17 19:40:12,204 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-17 19:40:12,207 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-17 19:40:12,208 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-17 19:40:12,208 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-17 19:40:12,210 INFO L431 ainManager$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 [2024-09-17 19:40:12,270 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-17 19:40:12,270 INFO L274 PluginConnector]: CDTParser initialized [2024-09-17 19:40:12,271 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/nla-digbench-scaling/cohendiv-ll_valuebound2.c [2024-09-17 19:40:13,790 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-17 19:40:13,966 INFO L384 CDTParser]: Found 1 translation units. [2024-09-17 19:40:13,967 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench-scaling/cohendiv-ll_valuebound2.c [2024-09-17 19:40:13,976 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/865119cfc/20b409662f864685ac6be78daa9885a9/FLAG1366ba07c [2024-09-17 19:40:14,365 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/865119cfc/20b409662f864685ac6be78daa9885a9 [2024-09-17 19:40:14,365 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-17 19:40:14,367 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-09-17 19:40:14,368 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-17 19:40:14,368 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-17 19:40:14,374 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-17 19:40:14,375 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 17.09 07:40:12" (1/2) ... [2024-09-17 19:40:14,375 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6568f40e and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 17.09 07:40:14, skipping insertion in model container [2024-09-17 19:40:14,376 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 17.09 07:40:12" (1/2) ... [2024-09-17 19:40:14,377 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@54e9be0e and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 17.09 07:40:14, skipping insertion in model container [2024-09-17 19:40:14,378 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.09 07:40:14" (2/2) ... [2024-09-17 19:40:14,378 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6568f40e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 07:40:14, skipping insertion in model container [2024-09-17 19:40:14,378 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.09 07:40:14" (2/2) ... [2024-09-17 19:40:14,387 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-17 19:40:14,387 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)) [2024-09-17 19:40:14,388 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)) [2024-09-17 19:40:14,388 INFO L1541 ArrayList]: Function contract at [L11]: requires null, ensures (\old(cond) != 0) [2024-09-17 19:40:14,388 INFO L1541 ArrayList]: Function contract at [L14]: requires (\old(cond) != 0), ensures (\old(cond) != 0) [2024-09-17 19:40:14,407 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-17 19:40:14,555 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] [2024-09-17 19:40:14,585 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-17 19:40:14,604 INFO L200 MainTranslator]: Completed pre-run Start Parsing Global Start Parsing Global Start Parsing Global [2024-09-17 19:40:14,649 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 [2024-09-17 19:40:14,668 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-17 19:40:14,689 INFO L204 MainTranslator]: Completed translation [2024-09-17 19:40:14,689 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 07:40:14 WrapperNode [2024-09-17 19:40:14,690 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-17 19:40:14,691 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-17 19:40:14,691 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-17 19:40:14,692 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-17 19:40:14,705 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 07:40:14" (1/1) ... [2024-09-17 19:40:14,705 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 07:40:14" (1/1) ... [2024-09-17 19:40:14,715 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 07:40:14" (1/1) ... [2024-09-17 19:40:14,733 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 [2024-09-17 19:40:14,733 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 07:40:14" (1/1) ... [2024-09-17 19:40:14,734 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 07:40:14" (1/1) ... [2024-09-17 19:40:14,742 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 07:40:14" (1/1) ... [2024-09-17 19:40:14,746 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 07:40:14" (1/1) ... [2024-09-17 19:40:14,750 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 07:40:14" (1/1) ... [2024-09-17 19:40:14,753 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 07:40:14" (1/1) ... [2024-09-17 19:40:14,755 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-17 19:40:14,757 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-17 19:40:14,758 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-17 19:40:14,758 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-17 19:40:14,759 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 07:40:14" (1/1) ... [2024-09-17 19:40:14,765 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-17 19:40:14,773 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-09-17 19:40:14,802 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) [2024-09-17 19:40:14,808 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 [2024-09-17 19:40:14,855 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-09-17 19:40:14,855 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-17 19:40:14,856 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-09-17 19:40:14,857 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-09-17 19:40:14,857 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-09-17 19:40:14,858 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-09-17 19:40:14,858 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-09-17 19:40:14,858 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-09-17 19:40:14,858 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-09-17 19:40:14,858 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-17 19:40:14,859 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2024-09-17 19:40:14,859 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-09-17 19:40:14,859 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-09-17 19:40:14,859 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-09-17 19:40:14,860 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-09-17 19:40:14,860 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-09-17 19:40:14,860 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-17 19:40:14,860 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-09-17 19:40:14,860 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-09-17 19:40:14,860 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-09-17 19:40:14,933 INFO L242 CfgBuilder]: Building ICFG [2024-09-17 19:40:14,938 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-17 19:40:15,156 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-17 19:40:15,177 INFO L291 CfgBuilder]: Performing block encoding [2024-09-17 19:40:15,202 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-17 19:40:15,202 INFO L318 CfgBuilder]: Removed 2 assume(true) statements. [2024-09-17 19:40:15,202 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.09 07:40:15 BoogieIcfgContainer [2024-09-17 19:40:15,202 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-17 19:40:15,204 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-09-17 19:40:15,205 INFO L270 PluginConnector]: Initializing Referee... [2024-09-17 19:40:15,206 INFO L274 PluginConnector]: Referee initialized [2024-09-17 19:40:15,206 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 17.09 07:40:12" (1/4) ... [2024-09-17 19:40:15,207 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@818c161 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 17.09 07:40:15, skipping insertion in model container [2024-09-17 19:40:15,208 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 17.09 07:40:14" (2/4) ... [2024-09-17 19:40:15,208 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@818c161 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 17.09 07:40:15, skipping insertion in model container [2024-09-17 19:40:15,208 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 07:40:14" (3/4) ... [2024-09-17 19:40:15,209 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@818c161 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 17.09 07:40:15, skipping insertion in model container [2024-09-17 19:40:15,209 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.09 07:40:15" (4/4) ... [2024-09-17 19:40:15,211 INFO L79 RefereeObserver]: Analyzing ICFG cohendiv-ll_valuebound2.c [2024-09-17 19:40:15,215 INFO L113 InvariantChecker]: Found 2 loops. [2024-09-17 19:40:15,216 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC assume_abort_if_notErr0ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 4 edges. [2024-09-17 19:40:15,216 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L38-3 to ERROR_LOC mainErr8REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 8 edges. [2024-09-17 19:40:15,216 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L38-3 to ERROR_LOC mainErr2REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 4 edges. [2024-09-17 19:40:15,217 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L47-3 to ERROR_LOC mainErr7REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 7 edges. [2024-09-17 19:40:15,217 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L47-3 to ERROR_LOC mainErr5REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 4 edges. [2024-09-17 19:40:15,217 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L38-3 to ERROR_LOC mainErr1REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 3 edges. [2024-09-17 19:40:15,218 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L47-3 to LOOP_INVARIANT_ERROR_LOC mainErr3ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 9 edges. [2024-09-17 19:40:15,218 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L38-3 to LOOP_INVARIANT_ERROR_LOC mainErr3ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 6 edges. [2024-09-17 19:40:15,218 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 7 edges. [2024-09-17 19:40:15,219 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L47-3 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 10 edges. [2024-09-17 19:40:15,219 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L47-3 to ERROR_LOC mainErr4REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 3 edges. [2024-09-17 19:40:15,219 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L47-3 to ERROR_LOC mainErr6REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 5 edges. [2024-09-17 19:40:15,219 INFO L373 InvariantChecker]: Will check inductivity from ENTRY __VERIFIER_assertENTRY to ERROR_LOC __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 5 edges. [2024-09-17 19:40:15,220 INFO L373 InvariantChecker]: Will check inductivity from ENTRY __VERIFIER_assertENTRY to ERROR_LOC __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 3 edges. [2024-09-17 19:40:15,220 INFO L131 InvariantChecker]: Will check 1 loop-free subgraphs from procedure entry to loop head, 3 loop-free subgraphs from procedure entry to error location, 7 loop-free subgraphs from loop head to error location, 3 loop-free subgraphs from loop head to loop head [2024-09-17 19:40:15,326 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 4 edges [2024-09-17 19:40:15,328 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-17 19:40:15,328 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-17 19:40:15,329 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-17 19:40:15,330 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-17 19:40:15,333 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-17 19:40:15,360 INFO L101 BaseMinimizeStates]: Removed 6 edges and 2 locations by large block encoding [2024-09-17 19:40:15,362 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-17 19:40:15,363 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-17 19:40:15,363 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-17 19:40:15,364 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-17 19:40:15,369 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-17 19:40:15,392 INFO L520 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to error location assume_abort_if_notErr0ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-17 19:40:15,427 INFO L314 BlockEncoder]: Initial Icfg 7 locations, 8 edges [2024-09-17 19:40:15,427 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-17 19:40:15,427 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-17 19:40:15,428 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-17 19:40:15,428 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-17 19:40:15,428 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-17 19:40:15,440 INFO L101 BaseMinimizeStates]: Removed 14 edges and 5 locations by large block encoding [2024-09-17 19:40:15,440 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-17 19:40:15,440 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-17 19:40:15,441 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-17 19:40:15,441 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-17 19:40:15,441 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-17 19:40:15,443 INFO L520 InvariantChecker]: The annotation(s) from loop head L38-3 to error location mainErr8REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-17 19:40:15,463 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 4 edges [2024-09-17 19:40:15,466 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-17 19:40:15,467 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-17 19:40:15,467 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-17 19:40:15,467 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-17 19:40:15,467 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-17 19:40:15,479 INFO L101 BaseMinimizeStates]: Removed 6 edges and 3 locations by large block encoding [2024-09-17 19:40:15,479 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-17 19:40:15,479 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-17 19:40:15,480 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-17 19:40:15,480 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-17 19:40:15,480 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-17 19:40:15,482 INFO L520 InvariantChecker]: The annotation(s) from loop head L38-3 to error location mainErr2REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-17 19:40:15,499 INFO L314 BlockEncoder]: Initial Icfg 8 locations, 7 edges [2024-09-17 19:40:15,499 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-17 19:40:15,500 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-17 19:40:15,500 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-17 19:40:15,500 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-17 19:40:15,500 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-17 19:40:15,512 INFO L101 BaseMinimizeStates]: Removed 12 edges and 6 locations by large block encoding [2024-09-17 19:40:15,513 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-17 19:40:15,513 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-17 19:40:15,513 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-17 19:40:15,514 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-17 19:40:15,514 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-17 19:40:15,524 INFO L520 InvariantChecker]: The annotation(s) from loop head L47-3 to error location mainErr7REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-17 19:40:15,548 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 4 edges [2024-09-17 19:40:15,548 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-17 19:40:15,549 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-17 19:40:15,549 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-17 19:40:15,549 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-17 19:40:15,549 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-17 19:40:15,557 INFO L101 BaseMinimizeStates]: Removed 6 edges and 3 locations by large block encoding [2024-09-17 19:40:15,557 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-17 19:40:15,557 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-17 19:40:15,558 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-17 19:40:15,558 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-17 19:40:15,558 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-17 19:40:15,560 INFO L520 InvariantChecker]: The annotation(s) from loop head L47-3 to error location mainErr5REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-17 19:40:15,573 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-17 19:40:15,574 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-17 19:40:15,574 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-17 19:40:15,574 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-17 19:40:15,574 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-17 19:40:15,575 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-17 19:40:15,578 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-17 19:40:15,578 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-17 19:40:15,578 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-17 19:40:15,579 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-17 19:40:15,579 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-17 19:40:15,579 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-17 19:40:15,585 INFO L520 InvariantChecker]: The annotation(s) from loop head L38-3 to error location mainErr1REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-17 19:40:15,600 INFO L314 BlockEncoder]: Initial Icfg 10 locations, 9 edges [2024-09-17 19:40:15,601 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-17 19:40:15,601 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-17 19:40:15,602 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-17 19:40:15,602 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-17 19:40:15,602 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-17 19:40:15,630 INFO L101 BaseMinimizeStates]: Removed 16 edges and 8 locations by large block encoding [2024-09-17 19:40:15,631 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-17 19:40:15,631 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-17 19:40:15,631 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-17 19:40:15,631 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-17 19:40:15,632 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-17 19:40:15,639 INFO L520 InvariantChecker]: The annotation(s) from loop head L47-3 to loop head mainErr3ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-17 19:40:15,658 INFO L314 BlockEncoder]: Initial Icfg 7 locations, 6 edges [2024-09-17 19:40:15,659 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-17 19:40:15,659 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-17 19:40:15,659 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-17 19:40:15,659 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-17 19:40:15,659 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-17 19:40:15,669 INFO L101 BaseMinimizeStates]: Removed 10 edges and 5 locations by large block encoding [2024-09-17 19:40:15,670 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-17 19:40:15,670 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-17 19:40:15,670 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-17 19:40:15,671 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-17 19:40:15,672 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-17 19:40:15,675 INFO L520 InvariantChecker]: The annotation(s) from loop head L38-3 to loop head mainErr3ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-17 19:40:15,690 INFO L314 BlockEncoder]: Initial Icfg 8 locations, 7 edges [2024-09-17 19:40:15,691 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-17 19:40:15,691 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-17 19:40:15,691 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-17 19:40:15,691 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-17 19:40:15,692 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-17 19:40:15,703 INFO L101 BaseMinimizeStates]: Removed 12 edges and 6 locations by large block encoding [2024-09-17 19:40:15,704 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-17 19:40:15,704 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-17 19:40:15,704 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-17 19:40:15,704 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-17 19:40:15,704 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-17 19:40:15,707 INFO L520 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-17 19:40:15,722 INFO L314 BlockEncoder]: Initial Icfg 9 locations, 10 edges [2024-09-17 19:40:15,722 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-17 19:40:15,722 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-17 19:40:15,722 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-17 19:40:15,722 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-17 19:40:15,722 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-17 19:40:15,744 INFO L101 BaseMinimizeStates]: Removed 20 edges and 7 locations by large block encoding [2024-09-17 19:40:15,745 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-17 19:40:15,745 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-17 19:40:15,745 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-17 19:40:15,745 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-17 19:40:15,750 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-17 19:40:15,757 INFO L520 InvariantChecker]: The annotation(s) from loop head L47-3 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-17 19:40:15,768 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-17 19:40:15,769 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-17 19:40:15,769 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-17 19:40:15,769 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-17 19:40:15,769 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-17 19:40:15,769 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-17 19:40:15,772 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-17 19:40:15,773 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-17 19:40:15,773 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-17 19:40:15,774 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-17 19:40:15,774 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-17 19:40:15,775 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-17 19:40:15,778 INFO L520 InvariantChecker]: The annotation(s) from loop head L47-3 to error location mainErr4REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-17 19:40:15,791 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 5 edges [2024-09-17 19:40:15,791 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-17 19:40:15,792 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-17 19:40:15,792 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-17 19:40:15,793 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-17 19:40:15,793 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-17 19:40:15,806 INFO L101 BaseMinimizeStates]: Removed 8 edges and 4 locations by large block encoding [2024-09-17 19:40:15,807 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-17 19:40:15,807 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-17 19:40:15,807 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-17 19:40:15,807 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-17 19:40:15,808 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-17 19:40:15,811 INFO L520 InvariantChecker]: The annotation(s) from loop head L47-3 to error location mainErr6REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-17 19:40:15,824 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 5 edges [2024-09-17 19:40:15,824 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-17 19:40:15,824 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-17 19:40:15,824 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-17 19:40:15,824 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-17 19:40:15,825 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-17 19:40:15,829 INFO L101 BaseMinimizeStates]: Removed 8 edges and 3 locations by large block encoding [2024-09-17 19:40:15,829 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-17 19:40:15,830 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-17 19:40:15,830 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-17 19:40:15,830 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-17 19:40:15,830 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-17 19:40:15,833 INFO L520 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-17 19:40:15,843 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-17 19:40:15,843 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-17 19:40:15,844 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-17 19:40:15,844 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-17 19:40:15,844 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-17 19:40:15,844 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-17 19:40:15,845 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-17 19:40:15,846 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-17 19:40:15,846 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-17 19:40:15,846 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-17 19:40:15,846 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-17 19:40:15,846 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-17 19:40:15,848 INFO L520 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION is inductive. [2024-09-17 19:40:15,853 INFO L58 RefereeStarter]: Annotation is a valid proof of correctness. [2024-09-17 19:40:15,854 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@818c161 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee CFG 17.09 07:40:15, skipping insertion in model container [2024-09-17 19:40:15,854 INFO L131 PluginConnector]: ------------------------ END Referee---------------------------- [2024-09-17 19:40:15,856 INFO L158 Benchmark]: Toolchain (without parser) took 1488.19ms. Allocated memory was 165.7MB in the beginning and 222.3MB in the end (delta: 56.6MB). Free memory was 106.8MB in the beginning and 133.3MB in the end (delta: -26.5MB). Peak memory consumption was 45.5MB. Max. memory is 16.1GB. [2024-09-17 19:40:15,857 INFO L158 Benchmark]: Witness Parser took 0.16ms. Allocated memory is still 165.7MB. Free memory is still 125.1MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-17 19:40:15,858 INFO L158 Benchmark]: CDTParser took 0.12ms. Allocated memory is still 165.7MB. Free memory is still 123.0MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-17 19:40:15,858 INFO L158 Benchmark]: CACSL2BoogieTranslator took 322.63ms. Allocated memory is still 165.7MB. Free memory was 106.8MB in the beginning and 92.9MB in the end (delta: 13.9MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-09-17 19:40:15,859 INFO L158 Benchmark]: Boogie Preprocessor took 65.52ms. Allocated memory is still 165.7MB. Free memory was 92.9MB in the beginning and 90.9MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-09-17 19:40:15,860 INFO L158 Benchmark]: RCFGBuilder took 445.05ms. Allocated memory is still 165.7MB. Free memory was 90.9MB in the beginning and 76.2MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-09-17 19:40:15,861 INFO L158 Benchmark]: Referee took 649.30ms. Allocated memory was 165.7MB in the beginning and 222.3MB in the end (delta: 56.6MB). Free memory was 75.8MB in the beginning and 133.3MB in the end (delta: -57.5MB). Peak memory consumption was 14.0MB. Max. memory is 16.1GB. [2024-09-17 19:40:15,864 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 47 to loop head at line 38. 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 loop head at line 38 to check that procedure precondition always holds at line 39. 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 loop head at line 47 to loop head at line 47. 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 entry of procedure __VERIFIER_assert to exit of procedure __VERIFIER_assert. Annotation is valid for all loop-free paths from loop head at line 38 to check that procedure precondition always holds 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 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 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. * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Witness Parser took 0.16ms. Allocated memory is still 165.7MB. Free memory is still 125.1MB. There was no memory consumed. Max. memory is 16.1GB. * CDTParser took 0.12ms. Allocated memory is still 165.7MB. Free memory is still 123.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 322.63ms. Allocated memory is still 165.7MB. Free memory was 106.8MB in the beginning and 92.9MB in the end (delta: 13.9MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Preprocessor took 65.52ms. Allocated memory is still 165.7MB. Free memory was 92.9MB in the beginning and 90.9MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 445.05ms. Allocated memory is still 165.7MB. Free memory was 90.9MB in the beginning and 76.2MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Referee took 649.30ms. Allocated memory was 165.7MB in the beginning and 222.3MB in the end (delta: 56.6MB). Free memory was 75.8MB in the beginning and 133.3MB in the end (delta: -57.5MB). Peak memory consumption was 14.0MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2024-09-17 19:40:15,899 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