./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/nla-digbench-scaling/cohencu-ll_valuebound20.c --full-output --witness-type correctness_witness --validate ../results/automizer-verification-files/SV-COMP24_unreach-call/cohencu-ll_valuebound20.yml/witness-2.1.yml --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version a9b967e5 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/cohencu-ll_valuebound20.c ../results/automizer-verification-files/SV-COMP24_unreach-call/cohencu-ll_valuebound20.yml/witness-2.1.yml -s /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Default.epf --cacsl2boogietranslator.entry.function main --traceabstraction.positions.where.we.compute.the.hoare.annotation None --- Real Ultimate output --- This is Ultimate 0.2.4-dev-a9b967e-m [2024-09-11 20:48:27,073 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-11 20:48:27,138 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Default.epf [2024-09-11 20:48:27,164 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-11 20:48:27,169 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-11 20:48:27,213 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-11 20:48:27,215 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-11 20:48:27,215 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-11 20:48:27,216 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-11 20:48:27,217 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-11 20:48:27,218 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-11 20:48:27,218 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-11 20:48:27,219 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-11 20:48:27,220 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-11 20:48:27,221 INFO L153 SettingsManager]: * Use SBE=true [2024-09-11 20:48:27,221 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-11 20:48:27,221 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-11 20:48:27,222 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-11 20:48:27,222 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-09-11 20:48:27,222 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-11 20:48:27,223 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-11 20:48:27,225 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-11 20:48:27,226 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-11 20:48:27,226 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-11 20:48:27,226 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-11 20:48:27,226 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-11 20:48:27,226 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-11 20:48:27,227 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-11 20:48:27,227 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-11 20:48:27,227 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-11 20:48:27,227 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-11 20:48:27,228 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-11 20:48:27,228 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-11 20:48:27,228 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-11 20:48:27,228 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-11 20:48:27,228 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-11 20:48:27,229 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-09-11 20:48:27,229 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-09-11 20:48:27,234 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-11 20:48:27,235 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-11 20:48:27,236 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-11 20:48:27,236 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-11 20:48:27,236 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None [2024-09-11 20:48:27,488 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-11 20:48:27,514 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-11 20:48:27,517 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-11 20:48:27,518 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-11 20:48:27,520 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-11 20:48:27,521 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/automizer-verification-files/SV-COMP24_unreach-call/cohencu-ll_valuebound20.yml/witness-2.1.yml [2024-09-11 20:48:27,572 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-11 20:48:27,572 INFO L274 PluginConnector]: CDTParser initialized [2024-09-11 20:48:27,573 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/nla-digbench-scaling/cohencu-ll_valuebound20.c [2024-09-11 20:48:29,073 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-11 20:48:29,282 INFO L384 CDTParser]: Found 1 translation units. [2024-09-11 20:48:29,285 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench-scaling/cohencu-ll_valuebound20.c [2024-09-11 20:48:29,294 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/a295e3aa2/79bd395d85b14bb0a9ebfd4d45af512a/FLAG6c47a9de3 [2024-09-11 20:48:29,313 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/a295e3aa2/79bd395d85b14bb0a9ebfd4d45af512a [2024-09-11 20:48:29,314 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-11 20:48:29,317 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-09-11 20:48:29,319 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-11 20:48:29,320 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-11 20:48:29,326 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-11 20:48:29,326 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 11.09 08:48:27" (1/2) ... [2024-09-11 20:48:29,327 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@33357abd and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 11.09 08:48:29, skipping insertion in model container [2024-09-11 20:48:29,330 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 11.09 08:48:27" (1/2) ... [2024-09-11 20:48:29,332 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@5d0ad79c and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 11.09 08:48:29, skipping insertion in model container [2024-09-11 20:48:29,332 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.09 08:48:29" (2/2) ... [2024-09-11 20:48:29,332 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@33357abd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:48:29, skipping insertion in model container [2024-09-11 20:48:29,332 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.09 08:48:29" (2/2) ... [2024-09-11 20:48:29,342 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-11 20:48:29,343 INFO L1541 ArrayList]: Loop invariant at [L33-L46] (((((((((__int128) y * z) + ((__int128) 2 * z)) == ((6 + ((__int128) y * 12)) + ((__int128) x * 18))) && (((((__int128) y * z) + 6) + ((__int128) z * z)) == ((((__int128) z * 4) + ((__int128) x * 18)) + ((__int128) y * 24)))) && (z == (6 + ((__int128) 6 * n)))) && ((n < (a + 1)) || (((((__int128) 2 * y) + (6 * a)) + 10) == (((__int128) a * z) + ((__int128) 2 * z))))) && (a <= 20)) && (0 <= a)) [2024-09-11 20:48:29,343 INFO L1541 ArrayList]: Function contract at [L14]: requires (\old(cond) != 0), ensures (\old(cond) != 0) [2024-09-11 20:48:29,364 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-11 20:48:29,526 WARN L247 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/cohencu-ll_valuebound20.c[588,601] [2024-09-11 20:48:29,548 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-11 20:48:29,570 INFO L200 MainTranslator]: Completed pre-run Start Parsing Global Start Parsing Global [2024-09-11 20:48:29,644 WARN L247 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/cohencu-ll_valuebound20.c[588,601] Start Parsing Local [2024-09-11 20:48:29,668 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-11 20:48:29,694 INFO L204 MainTranslator]: Completed translation [2024-09-11 20:48:29,695 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:48:29 WrapperNode [2024-09-11 20:48:29,695 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-11 20:48:29,696 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-11 20:48:29,696 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-11 20:48:29,696 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-11 20:48:29,718 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:48:29" (1/1) ... [2024-09-11 20:48:29,718 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:48:29" (1/1) ... [2024-09-11 20:48:29,724 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:48:29" (1/1) ... [2024-09-11 20:48:29,743 WARN L109 MemorySlicer]: Omit memory slicing because it failed with the following exception: Unsupported: Procedure __VERIFIER_assert is not part of the Ultimate memory model but has specification other that is not a ModifiesSpecification [2024-09-11 20:48:29,743 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:48:29" (1/1) ... [2024-09-11 20:48:29,744 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:48:29" (1/1) ... [2024-09-11 20:48:29,748 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:48:29" (1/1) ... [2024-09-11 20:48:29,753 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:48:29" (1/1) ... [2024-09-11 20:48:29,754 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:48:29" (1/1) ... [2024-09-11 20:48:29,755 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:48:29" (1/1) ... [2024-09-11 20:48:29,757 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-11 20:48:29,758 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-11 20:48:29,758 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-11 20:48:29,758 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-11 20:48:29,759 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:48:29" (1/1) ... [2024-09-11 20:48:29,764 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-11 20:48:29,770 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-09-11 20:48:29,784 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) [2024-09-11 20:48:29,785 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 [2024-09-11 20:48:29,824 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-09-11 20:48:29,825 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-11 20:48:29,825 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-09-11 20:48:29,825 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-09-11 20:48:29,825 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-09-11 20:48:29,825 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-09-11 20:48:29,825 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-09-11 20:48:29,825 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-09-11 20:48:29,825 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-09-11 20:48:29,825 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-11 20:48:29,825 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ushort [2024-09-11 20:48:29,826 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-09-11 20:48:29,826 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-09-11 20:48:29,826 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-09-11 20:48:29,826 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-09-11 20:48:29,826 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-09-11 20:48:29,826 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-11 20:48:29,826 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-09-11 20:48:29,826 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-09-11 20:48:29,826 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-09-11 20:48:29,876 INFO L242 CfgBuilder]: Building ICFG [2024-09-11 20:48:29,878 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-11 20:48:30,054 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-11 20:48:30,114 INFO L? ?]: Removed 41 outVars from TransFormulas that were not future-live. [2024-09-11 20:48:30,114 INFO L291 CfgBuilder]: Performing block encoding [2024-09-11 20:48:30,148 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-11 20:48:30,148 INFO L318 CfgBuilder]: Removed 1 assume(true) statements. [2024-09-11 20:48:30,148 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.09 08:48:30 BoogieIcfgContainer [2024-09-11 20:48:30,152 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-11 20:48:30,153 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-09-11 20:48:30,153 INFO L270 PluginConnector]: Initializing Referee... [2024-09-11 20:48:30,153 INFO L274 PluginConnector]: Referee initialized [2024-09-11 20:48:30,154 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 11.09 08:48:27" (1/4) ... [2024-09-11 20:48:30,154 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@4c0c924f and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 11.09 08:48:30, skipping insertion in model container [2024-09-11 20:48:30,154 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 11.09 08:48:29" (2/4) ... [2024-09-11 20:48:30,154 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@4c0c924f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 11.09 08:48:30, skipping insertion in model container [2024-09-11 20:48:30,154 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:48:29" (3/4) ... [2024-09-11 20:48:30,155 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@4c0c924f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 11.09 08:48:30, skipping insertion in model container [2024-09-11 20:48:30,155 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.09 08:48:30" (4/4) ... [2024-09-11 20:48:30,156 INFO L79 RefereeObserver]: Analyzing ICFG cohencu-ll_valuebound20.c [2024-09-11 20:48:30,160 INFO L112 InvariantChecker]: Found 1 loops. [2024-09-11 20:48:30,161 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L33-3 to ERROR_LOC mainErr5REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 7 edges. [2024-09-11 20:48:30,161 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L33-3 to ERROR_LOC mainErr1REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 3 edges. [2024-09-11 20:48:30,161 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L33-3 to ERROR_LOC mainErr9REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 14 edges. [2024-09-11 20:48:30,161 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L33-3 to ERROR_LOC mainErr4REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 6 edges. [2024-09-11 20:48:30,161 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L33-3 to ERROR_LOC mainErr8REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 13 edges. [2024-09-11 20:48:30,162 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L33-3 to ERROR_LOC mainErr2REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 4 edges. [2024-09-11 20:48:30,162 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L33-3 to ERROR_LOC mainErr7REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 12 edges. [2024-09-11 20:48:30,162 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L33-3 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 9 edges. [2024-09-11 20:48:30,162 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 4 edges. [2024-09-11 20:48:30,163 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L33-3 to ERROR_LOC mainErr10REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 15 edges. [2024-09-11 20:48:30,163 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L33-3 to ERROR_LOC mainErr6REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 11 edges. [2024-09-11 20:48:30,163 INFO L367 InvariantChecker]: Will check inductivity from ENTRY __VERIFIER_assertENTRY to ERROR_LOC __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 5 edges. [2024-09-11 20:48:30,163 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L33-3 to ERROR_LOC mainErr11REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 16 edges. [2024-09-11 20:48:30,163 INFO L367 InvariantChecker]: Will check inductivity from ENTRY __VERIFIER_assertENTRY to ERROR_LOC __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 3 edges. [2024-09-11 20:48:30,163 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L33-3 to ERROR_LOC mainErr3REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 5 edges. [2024-09-11 20:48:30,164 INFO L130 InvariantChecker]: Will check 11 loop-free subgraphs from loop head to error location, 1 loop-free subgraphs from loop head to loop head, 1 loop-free subgraphs from procedure entry to loop head, 2 loop-free subgraphs from procedure entry to error location [2024-09-11 20:48:30,236 INFO L314 BlockEncoder]: Initial Icfg 8 locations, 7 edges [2024-09-11 20:48:30,237 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:48:30,238 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:48:30,238 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:48:30,239 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:48:30,240 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:48:30,284 INFO L101 BaseMinimizeStates]: Removed 12 edges and 6 locations by large block encoding [2024-09-11 20:48:30,285 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:48:30,285 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:48:30,286 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:48:30,286 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:48:30,287 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:48:30,304 INFO L514 InvariantChecker]: The annotation(s) from loop head L33-3 to error location mainErr5REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-11 20:48:30,327 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-11 20:48:30,327 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:48:30,327 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:48:30,327 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:48:30,328 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:48:30,328 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:48:30,334 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-11 20:48:30,334 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:48:30,334 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:48:30,335 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:48:30,335 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:48:30,335 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:48:30,338 INFO L514 InvariantChecker]: The annotation(s) from loop head L33-3 to error location mainErr1REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-11 20:48:30,364 INFO L314 BlockEncoder]: Initial Icfg 13 locations, 14 edges [2024-09-11 20:48:30,366 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:48:30,366 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:48:30,366 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:48:30,367 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:48:30,367 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:48:30,414 INFO L101 BaseMinimizeStates]: Removed 32 edges and 11 locations by large block encoding [2024-09-11 20:48:30,415 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:48:30,415 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:48:30,415 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:48:30,415 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:48:30,425 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:48:30,436 INFO L514 InvariantChecker]: The annotation(s) from loop head L33-3 to error location mainErr9REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-11 20:48:30,463 INFO L314 BlockEncoder]: Initial Icfg 7 locations, 6 edges [2024-09-11 20:48:30,463 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:48:30,464 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:48:30,464 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:48:30,464 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:48:30,464 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:48:30,483 INFO L101 BaseMinimizeStates]: Removed 10 edges and 5 locations by large block encoding [2024-09-11 20:48:30,484 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:48:30,484 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:48:30,485 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:48:30,485 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:48:30,485 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:48:30,488 INFO L514 InvariantChecker]: The annotation(s) from loop head L33-3 to error location mainErr4REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-11 20:48:30,514 INFO L314 BlockEncoder]: Initial Icfg 12 locations, 13 edges [2024-09-11 20:48:30,515 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:48:30,515 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:48:30,515 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:48:30,516 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:48:30,516 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:48:30,570 INFO L101 BaseMinimizeStates]: Removed 28 edges and 10 locations by large block encoding [2024-09-11 20:48:30,571 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:48:30,571 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:48:30,571 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:48:30,572 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:48:30,591 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:48:30,596 INFO L514 InvariantChecker]: The annotation(s) from loop head L33-3 to error location mainErr8REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-11 20:48:30,613 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 4 edges [2024-09-11 20:48:30,613 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:48:30,614 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:48:30,614 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:48:30,614 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:48:30,614 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:48:30,623 INFO L101 BaseMinimizeStates]: Removed 6 edges and 3 locations by large block encoding [2024-09-11 20:48:30,624 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:48:30,624 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:48:30,624 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:48:30,625 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:48:30,625 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:48:30,632 INFO L514 InvariantChecker]: The annotation(s) from loop head L33-3 to error location mainErr2REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-11 20:48:30,653 INFO L314 BlockEncoder]: Initial Icfg 11 locations, 12 edges [2024-09-11 20:48:30,654 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:48:30,654 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:48:30,655 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:48:30,655 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:48:30,655 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:48:30,682 INFO L101 BaseMinimizeStates]: Removed 24 edges and 9 locations by large block encoding [2024-09-11 20:48:30,682 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:48:30,683 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:48:30,684 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:48:30,684 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:48:30,689 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:48:30,696 INFO L514 InvariantChecker]: The annotation(s) from loop head L33-3 to error location mainErr7REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-11 20:48:30,717 INFO L314 BlockEncoder]: Initial Icfg 10 locations, 9 edges [2024-09-11 20:48:30,718 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:48:30,718 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:48:30,720 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:48:30,720 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:48:30,720 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:48:30,757 INFO L101 BaseMinimizeStates]: Removed 16 edges and 8 locations by large block encoding [2024-09-11 20:48:30,757 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:48:30,758 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:48:30,758 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:48:30,758 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:48:30,758 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:48:30,764 INFO L514 InvariantChecker]: The annotation(s) from loop head L33-3 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-11 20:48:30,785 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 4 edges [2024-09-11 20:48:30,786 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:48:30,786 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:48:30,786 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:48:30,787 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:48:30,787 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:48:30,799 INFO L101 BaseMinimizeStates]: Removed 6 edges and 3 locations by large block encoding [2024-09-11 20:48:30,803 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:48:30,803 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:48:30,804 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:48:30,804 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:48:30,804 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:48:30,836 INFO L314 BlockEncoder]: Initial Icfg 14 locations, 15 edges [2024-09-11 20:48:30,836 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:48:30,836 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:48:30,837 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:48:30,837 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:48:30,837 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:48:30,869 INFO L101 BaseMinimizeStates]: Removed 36 edges and 12 locations by large block encoding [2024-09-11 20:48:30,870 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:48:30,870 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:48:30,870 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:48:30,870 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:48:30,871 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:48:30,875 INFO L514 InvariantChecker]: The annotation(s) from loop head L33-3 to error location mainErr10REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-11 20:48:30,889 INFO L314 BlockEncoder]: Initial Icfg 10 locations, 11 edges [2024-09-11 20:48:30,890 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:48:30,890 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:48:30,890 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:48:30,890 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:48:30,890 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:48:30,903 INFO L101 BaseMinimizeStates]: Removed 20 edges and 8 locations by large block encoding [2024-09-11 20:48:30,904 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:48:30,904 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:48:30,904 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:48:30,904 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:48:30,905 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:48:30,907 INFO L514 InvariantChecker]: The annotation(s) from loop head L33-3 to error location mainErr6REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-11 20:48:30,919 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 5 edges [2024-09-11 20:48:30,919 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:48:30,920 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:48:30,920 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:48:30,920 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:48:30,920 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:48:30,922 INFO L101 BaseMinimizeStates]: Removed 8 edges and 3 locations by large block encoding [2024-09-11 20:48:30,922 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:48:30,922 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:48:30,922 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:48:30,922 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:48:30,923 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:48:30,924 INFO L514 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-11 20:48:30,936 INFO L314 BlockEncoder]: Initial Icfg 15 locations, 16 edges [2024-09-11 20:48:30,936 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:48:30,936 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:48:30,936 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:48:30,937 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:48:30,937 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:48:30,974 INFO L101 BaseMinimizeStates]: Removed 40 edges and 13 locations by large block encoding [2024-09-11 20:48:30,975 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:48:30,975 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:48:30,975 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:48:30,975 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:48:30,976 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:48:30,978 INFO L514 InvariantChecker]: The annotation(s) from loop head L33-3 to error location mainErr11REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-11 20:48:30,991 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-11 20:48:30,991 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:48:30,991 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:48:30,991 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:48:30,992 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:48:30,992 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:48:30,993 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-11 20:48:30,993 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:48:30,993 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:48:30,993 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:48:30,993 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:48:30,993 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:48:30,995 INFO L514 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION is inductive. [2024-09-11 20:48:31,010 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 5 edges [2024-09-11 20:48:31,010 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:48:31,010 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:48:31,010 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:48:31,011 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:48:31,011 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:48:31,020 INFO L101 BaseMinimizeStates]: Removed 8 edges and 4 locations by large block encoding [2024-09-11 20:48:31,020 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:48:31,021 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:48:31,021 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:48:31,021 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:48:31,021 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:48:31,025 INFO L514 InvariantChecker]: The annotation(s) from loop head L33-3 to error location mainErr3REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-11 20:48:31,032 INFO L58 RefereeStarter]: Annotation is not a valid proof of correctness. [2024-09-11 20:48:31,033 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@4c0c924f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee CFG 11.09 08:48:31, skipping insertion in model container [2024-09-11 20:48:31,033 INFO L131 PluginConnector]: ------------------------ END Referee---------------------------- [2024-09-11 20:48:31,035 INFO L158 Benchmark]: Toolchain (without parser) took 1717.95ms. Allocated memory was 182.5MB in the beginning and 224.4MB in the end (delta: 41.9MB). Free memory was 131.6MB in the beginning and 103.1MB in the end (delta: 28.4MB). Peak memory consumption was 73.5MB. Max. memory is 16.1GB. [2024-09-11 20:48:31,035 INFO L158 Benchmark]: Witness Parser took 0.12ms. Allocated memory is still 100.7MB. Free memory is still 57.0MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-11 20:48:31,036 INFO L158 Benchmark]: CDTParser took 0.09ms. Allocated memory is still 100.7MB. Free memory is still 55.0MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-11 20:48:31,037 INFO L158 Benchmark]: CACSL2BoogieTranslator took 376.07ms. Allocated memory is still 182.5MB. Free memory was 130.8MB in the beginning and 147.8MB in the end (delta: -17.0MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2024-09-11 20:48:31,037 INFO L158 Benchmark]: Boogie Preprocessor took 60.96ms. Allocated memory is still 182.5MB. Free memory was 147.8MB in the beginning and 145.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-09-11 20:48:31,038 INFO L158 Benchmark]: RCFGBuilder took 394.46ms. Allocated memory is still 182.5MB. Free memory was 145.8MB in the beginning and 126.9MB in the end (delta: 18.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2024-09-11 20:48:31,039 INFO L158 Benchmark]: Referee took 880.84ms. Allocated memory was 182.5MB in the beginning and 224.4MB in the end (delta: 41.9MB). Free memory was 126.9MB in the beginning and 103.1MB in the end (delta: 23.8MB). Peak memory consumption was 70.7MB. Max. memory is 16.1GB. [2024-09-11 20:48:31,041 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.referee: - AnnotationCheckResult: Annotation is not a valid proof of correctness. Annotation is not a valid proof of correctness. Annotation is not valid for all loop-free paths from entry of procedure main to loop head at line 33. One counterexample starts in and ends in a=0, n=0, x=0, y=0, z=0. Annotation is valid for all loop-free paths from loop head at line 33 to check that procedure precondition always holds at line 33. Annotation is valid for all loop-free paths from loop head at line 33 to check that procedure precondition always holds at line 52. 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 33 to check that procedure precondition always holds at line 50. Annotation is valid for all loop-free paths from loop head at line 33 to check that procedure precondition always holds at line 51. Annotation is valid for all loop-free paths from loop head at line 33 to check that procedure precondition always holds at line 48. Annotation is valid for all loop-free paths from loop head at line 33 to check that procedure precondition always holds at line 34. Annotation is valid for all loop-free paths from entry of procedure __VERIFIER_assert to check that a call to reach_error is unreachable at line 16. Annotation is valid for all loop-free paths from loop head at line 33 to check that procedure precondition always holds at line 36. Annotation is valid for all loop-free paths from loop head at line 33 to check that procedure precondition always holds at line 49. Annotation is valid for all loop-free paths from loop head at line 33 to check that procedure precondition always holds at line 35. Annotation is valid for all loop-free paths from loop head at line 33 to check that procedure precondition always holds at line 34. Annotation is valid for all loop-free paths from loop head at line 33 to check that procedure precondition always holds at line 37. Annotation is valid for all loop-free paths from loop head at line 33 to loop head at line 33. * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Witness Parser took 0.12ms. Allocated memory is still 100.7MB. Free memory is still 57.0MB. There was no memory consumed. Max. memory is 16.1GB. * CDTParser took 0.09ms. Allocated memory is still 100.7MB. Free memory is still 55.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 376.07ms. Allocated memory is still 182.5MB. Free memory was 130.8MB in the beginning and 147.8MB in the end (delta: -17.0MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Preprocessor took 60.96ms. Allocated memory is still 182.5MB. Free memory was 147.8MB in the beginning and 145.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 394.46ms. Allocated memory is still 182.5MB. Free memory was 145.8MB in the beginning and 126.9MB in the end (delta: 18.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * Referee took 880.84ms. Allocated memory was 182.5MB in the beginning and 224.4MB in the end (delta: 41.9MB). Free memory was 126.9MB in the beginning and 103.1MB in the end (delta: 23.8MB). Peak memory consumption was 70.7MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-09-11 20:48:31,075 INFO L540 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/referee/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE