./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/nla-digbench-scaling/lcm2_unwindbound5.c --full-output --witness-type correctness_witness --validate ../results/automizer-verification-files/SV-COMP24_unreach-call/lcm2_unwindbound5.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/lcm2_unwindbound5.c ../results/automizer-verification-files/SV-COMP24_unreach-call/lcm2_unwindbound5.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 19:41:07,813 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-17 19:41:07,912 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Default.epf [2024-09-17 19:41:07,919 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-17 19:41:07,920 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-17 19:41:07,951 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-17 19:41:07,954 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-17 19:41:07,954 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-17 19:41:07,955 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-17 19:41:07,955 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-17 19:41:07,955 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-17 19:41:07,956 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-17 19:41:07,956 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-17 19:41:07,957 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-17 19:41:07,957 INFO L153 SettingsManager]: * Use SBE=true [2024-09-17 19:41:07,959 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-17 19:41:07,960 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-17 19:41:07,962 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-17 19:41:07,963 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-09-17 19:41:07,963 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-17 19:41:07,963 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-17 19:41:07,965 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-17 19:41:07,965 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-17 19:41:07,965 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-17 19:41:07,966 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-17 19:41:07,966 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-17 19:41:07,966 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-17 19:41:07,966 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-17 19:41:07,967 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-17 19:41:07,967 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-17 19:41:07,967 INFO L153 SettingsManager]: * Future-live optimization=false [2024-09-17 19:41:07,967 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-17 19:41:07,968 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-17 19:41:07,968 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-17 19:41:07,969 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-17 19:41:07,969 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-17 19:41:07,969 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-17 19:41:07,970 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-09-17 19:41:07,970 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-09-17 19:41:07,970 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-17 19:41:07,970 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-17 19:41:07,971 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-17 19:41:07,971 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-17 19:41:07,971 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None [2024-09-17 19:41:08,206 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-17 19:41:08,233 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-17 19:41:08,235 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-17 19:41:08,237 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-17 19:41:08,238 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-17 19:41:08,239 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/automizer-verification-files/SV-COMP24_unreach-call/lcm2_unwindbound5.yml/witness-2.1.yml [2024-09-17 19:41:08,320 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-17 19:41:08,320 INFO L274 PluginConnector]: CDTParser initialized [2024-09-17 19:41:08,321 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/nla-digbench-scaling/lcm2_unwindbound5.c [2024-09-17 19:41:09,789 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-17 19:41:10,001 INFO L384 CDTParser]: Found 1 translation units. [2024-09-17 19:41:10,002 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench-scaling/lcm2_unwindbound5.c [2024-09-17 19:41:10,010 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/2ae7f7d67/bd043c4e2c094b3ba4c3dffc2226ac55/FLAG59c57157c [2024-09-17 19:41:10,023 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/2ae7f7d67/bd043c4e2c094b3ba4c3dffc2226ac55 [2024-09-17 19:41:10,024 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-17 19:41:10,026 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-09-17 19:41:10,028 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-17 19:41:10,029 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-17 19:41:10,034 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-17 19:41:10,035 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 07:41:08" (1/2) ... [2024-09-17 19:41:10,038 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@67bb12c0 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 17.09 07:41:10, skipping insertion in model container [2024-09-17 19:41:10,039 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 07:41:08" (1/2) ... [2024-09-17 19:41:10,040 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@4138bf70 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 17.09 07:41:10, skipping insertion in model container [2024-09-17 19:41:10,040 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.09 07:41:10" (2/2) ... [2024-09-17 19:41:10,040 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@67bb12c0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 07:41:10, skipping insertion in model container [2024-09-17 19:41:10,041 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.09 07:41:10" (2/2) ... [2024-09-17 19:41:10,051 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-17 19:41:10,051 INFO L1541 ArrayList]: Loop invariant at [L36-L49] (((((b * a) % 2147483648) * 2) == ((y * v) + (x * u))) && (\old(counter) == 0)) [2024-09-17 19:41:10,055 INFO L1541 ArrayList]: Function contract at [L8]: requires (counter == 0), ensures (counter == 0) [2024-09-17 19:41:10,056 INFO L1541 ArrayList]: Function contract at [L11]: requires (1 <= \old(cond)), ensures (1 <= \old(cond)) [2024-09-17 19:41:10,056 INFO L1541 ArrayList]: Function contract at [L20]: requires (counter == 0), ensures (\old(counter) == 0) [2024-09-17 19:41:10,074 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-17 19:41:10,234 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench-scaling/lcm2_unwindbound5.c[537,550] [2024-09-17 19:41:10,252 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-17 19:41:10,261 INFO L200 MainTranslator]: Completed pre-run Start Parsing Global Start Parsing Global Start Parsing Global Start Parsing Global [2024-09-17 19:41:10,316 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench-scaling/lcm2_unwindbound5.c[537,550] Start Parsing Global Start Parsing Global Start Parsing Local [2024-09-17 19:41:10,328 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-17 19:41:10,349 INFO L204 MainTranslator]: Completed translation [2024-09-17 19:41:10,350 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 07:41:10 WrapperNode [2024-09-17 19:41:10,350 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-17 19:41:10,351 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-17 19:41:10,351 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-17 19:41:10,351 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-17 19:41:10,364 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 07:41:10" (1/1) ... [2024-09-17 19:41:10,365 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 07:41:10" (1/1) ... [2024-09-17 19:41:10,370 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 07:41:10" (1/1) ... [2024-09-17 19:41:10,390 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 19:41:10,390 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 07:41:10" (1/1) ... [2024-09-17 19:41:10,390 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 07:41:10" (1/1) ... [2024-09-17 19:41:10,399 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 07:41:10" (1/1) ... [2024-09-17 19:41:10,405 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 07:41:10" (1/1) ... [2024-09-17 19:41:10,406 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 07:41:10" (1/1) ... [2024-09-17 19:41:10,409 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 07:41:10" (1/1) ... [2024-09-17 19:41:10,411 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-17 19:41:10,416 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-17 19:41:10,416 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-17 19:41:10,416 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-17 19:41:10,417 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 07:41:10" (1/1) ... [2024-09-17 19:41:10,426 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-17 19:41:10,434 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-09-17 19:41:10,450 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 19:41:10,456 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 19:41:10,499 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-09-17 19:41:10,499 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-17 19:41:10,499 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-09-17 19:41:10,501 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-09-17 19:41:10,501 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-09-17 19:41:10,501 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-09-17 19:41:10,501 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-09-17 19:41:10,502 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-09-17 19:41:10,502 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-09-17 19:41:10,502 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-17 19:41:10,503 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2024-09-17 19:41:10,503 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-09-17 19:41:10,503 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-09-17 19:41:10,503 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-09-17 19:41:10,503 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-09-17 19:41:10,503 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-09-17 19:41:10,503 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-17 19:41:10,504 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-09-17 19:41:10,504 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-09-17 19:41:10,504 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-09-17 19:41:10,578 INFO L242 CfgBuilder]: Building ICFG [2024-09-17 19:41:10,582 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-17 19:41:10,609 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-17 19:41:10,628 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-17 19:41:10,800 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-17 19:41:10,816 INFO L291 CfgBuilder]: Performing block encoding [2024-09-17 19:41:10,854 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-17 19:41:10,858 INFO L318 CfgBuilder]: Removed 1 assume(true) statements. [2024-09-17 19:41:10,859 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.09 07:41:10 BoogieIcfgContainer [2024-09-17 19:41:10,863 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-17 19:41:10,864 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-09-17 19:41:10,864 INFO L270 PluginConnector]: Initializing Referee... [2024-09-17 19:41:10,865 INFO L274 PluginConnector]: Referee initialized [2024-09-17 19:41:10,865 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 07:41:08" (1/4) ... [2024-09-17 19:41:10,865 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@358f0dc4 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 17.09 07:41:10, skipping insertion in model container [2024-09-17 19:41:10,866 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 17.09 07:41:10" (2/4) ... [2024-09-17 19:41:10,866 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@358f0dc4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 17.09 07:41:10, skipping insertion in model container [2024-09-17 19:41:10,866 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 07:41:10" (3/4) ... [2024-09-17 19:41:10,867 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@358f0dc4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 17.09 07:41:10, skipping insertion in model container [2024-09-17 19:41:10,867 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.09 07:41:10" (4/4) ... [2024-09-17 19:41:10,868 INFO L79 RefereeObserver]: Analyzing ICFG lcm2_unwindbound5.c [2024-09-17 19:41:10,874 INFO L113 InvariantChecker]: Found 1 loops. [2024-09-17 19:41:10,875 INFO L373 InvariantChecker]: Will check inductivity from ENTRY assume_abort_if_notENTRY to ERROR_LOC assume_abort_if_notErr0ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 4 edges. [2024-09-17 19:41:10,875 INFO L373 InvariantChecker]: Will check inductivity from ENTRY mainENTRY to ERROR_LOC mainErr2REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 4 edges. [2024-09-17 19:41:10,875 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L42-2 to ERROR_LOC mainErr5REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 4 edges. [2024-09-17 19:41:10,875 INFO L373 InvariantChecker]: Will check inductivity from ENTRY mainENTRY to ERROR_LOC mainErr0REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 2 edges. [2024-09-17 19:41:10,876 INFO L373 InvariantChecker]: Will check inductivity from ENTRY mainENTRY to ERROR_LOC mainErr1REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 3 edges. [2024-09-17 19:41:10,876 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L42-2 to ERROR_LOC mainErr7ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 10 edges. [2024-09-17 19:41:10,877 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L42-2 to ERROR_LOC mainErr6REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 8 edges. [2024-09-17 19:41:10,877 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC ULTIMATE.startErr0REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 3 edges. [2024-09-17 19:41:10,877 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 19:41:10,877 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 19:41:10,878 INFO L373 InvariantChecker]: Will check inductivity from ENTRY mainENTRY to ERROR_LOC mainErr3REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 5 edges. [2024-09-17 19:41:10,878 INFO L373 InvariantChecker]: Will check inductivity from ENTRY mainENTRY to LOOP_INVARIANT_ERROR_LOC mainErr4ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 7 edges. [2024-09-17 19:41:10,878 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L42-2 to LOOP_INVARIANT_ERROR_LOC mainErr4ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 8 edges. [2024-09-17 19:41:10,879 INFO L131 InvariantChecker]: Will check 3 loop-free subgraphs from loop head to error location, 8 loop-free subgraphs from procedure entry to error location, 1 loop-free subgraphs from loop head to loop head, 1 loop-free subgraphs from procedure entry to loop head [2024-09-17 19:41:10,946 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 4 edges [2024-09-17 19:41:10,947 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-17 19:41:10,947 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-17 19:41:10,948 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-17 19:41:10,948 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-17 19:41:10,950 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-17 19:41:10,958 INFO L101 BaseMinimizeStates]: Removed 6 edges and 2 locations by large block encoding [2024-09-17 19:41:10,959 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-17 19:41:10,959 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-17 19:41:10,959 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-17 19:41:10,959 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-17 19:41:10,962 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-17 19:41:10,976 INFO L520 InvariantChecker]: The annotation(s) from entry assume_abort_if_notENTRY to error location assume_abort_if_notErr0ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-17 19:41:11,020 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 4 edges [2024-09-17 19:41:11,021 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-17 19:41:11,022 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-17 19:41:11,022 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-17 19:41:11,022 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-17 19:41:11,022 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-17 19:41:11,024 INFO L101 BaseMinimizeStates]: Removed 6 edges and 3 locations by large block encoding [2024-09-17 19:41:11,026 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-17 19:41:11,026 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-17 19:41:11,027 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-17 19:41:11,027 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-17 19:41:11,027 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-17 19:41:11,030 INFO L520 InvariantChecker]: The annotation(s) from entry mainENTRY to error location mainErr2REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-17 19:41:11,059 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 4 edges [2024-09-17 19:41:11,060 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-17 19:41:11,060 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-17 19:41:11,060 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-17 19:41:11,060 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-17 19:41:11,061 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-17 19:41:11,078 INFO L101 BaseMinimizeStates]: Removed 6 edges and 3 locations by large block encoding [2024-09-17 19:41:11,082 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-17 19:41:11,083 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-17 19:41:11,083 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-17 19:41:11,084 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-17 19:41:11,084 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-17 19:41:11,091 INFO L520 InvariantChecker]: The annotation(s) from loop head L42-2 to error location mainErr5REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-17 19:41:11,119 INFO L314 BlockEncoder]: Initial Icfg 3 locations, 2 edges [2024-09-17 19:41:11,119 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-17 19:41:11,120 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-17 19:41:11,120 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-17 19:41:11,120 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-17 19:41:11,120 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-17 19:41:11,121 INFO L101 BaseMinimizeStates]: Removed 2 edges and 1 locations by large block encoding [2024-09-17 19:41:11,121 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-17 19:41:11,122 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-17 19:41:11,122 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-17 19:41:11,122 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-17 19:41:11,122 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-17 19:41:11,124 INFO L520 InvariantChecker]: The annotation(s) from entry mainENTRY to error location mainErr0REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-17 19:41:11,147 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-17 19:41:11,147 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-17 19:41:11,147 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-17 19:41:11,147 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-17 19:41:11,148 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-17 19:41:11,148 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-17 19:41:11,149 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-17 19:41:11,149 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-17 19:41:11,151 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-17 19:41:11,151 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-17 19:41:11,151 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-17 19:41:11,152 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-17 19:41:11,154 INFO L520 InvariantChecker]: The annotation(s) from entry mainENTRY to error location mainErr1REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-17 19:41:11,169 INFO L314 BlockEncoder]: Initial Icfg 9 locations, 10 edges [2024-09-17 19:41:11,170 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-17 19:41:11,170 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-17 19:41:11,170 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-17 19:41:11,170 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-17 19:41:11,170 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-17 19:41:11,208 INFO L101 BaseMinimizeStates]: Removed 22 edges and 7 locations by large block encoding [2024-09-17 19:41:11,208 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-17 19:41:11,208 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-17 19:41:11,209 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-17 19:41:11,209 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-17 19:41:11,211 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-17 19:41:11,212 INFO L520 InvariantChecker]: The annotation(s) from loop head L42-2 to error location mainErr7ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-17 19:41:11,228 INFO L314 BlockEncoder]: Initial Icfg 7 locations, 8 edges [2024-09-17 19:41:11,228 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-17 19:41:11,228 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-17 19:41:11,228 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-17 19:41:11,229 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-17 19:41:11,229 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-17 19:41:11,248 INFO L101 BaseMinimizeStates]: Removed 14 edges and 5 locations by large block encoding [2024-09-17 19:41:11,248 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-17 19:41:11,249 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-17 19:41:11,249 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-17 19:41:11,250 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-17 19:41:11,253 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-17 19:41:11,259 INFO L520 InvariantChecker]: The annotation(s) from loop head L42-2 to error location mainErr6REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-17 19:41:11,269 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-17 19:41:11,270 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-17 19:41:11,270 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-17 19:41:11,270 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-17 19:41:11,270 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-17 19:41:11,270 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-17 19:41:11,271 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-17 19:41:11,271 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-17 19:41:11,271 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-17 19:41:11,272 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-17 19:41:11,272 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-17 19:41:11,272 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-17 19:41:11,273 INFO L520 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to error location ULTIMATE.startErr0REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-17 19:41:11,284 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 5 edges [2024-09-17 19:41:11,284 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-17 19:41:11,285 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-17 19:41:11,285 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-17 19:41:11,285 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-17 19:41:11,285 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-17 19:41:11,288 INFO L101 BaseMinimizeStates]: Removed 8 edges and 3 locations by large block encoding [2024-09-17 19:41:11,288 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-17 19:41:11,288 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-17 19:41:11,288 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-17 19:41:11,288 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-17 19:41:11,289 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-17 19:41:11,292 INFO L520 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-17 19:41:11,303 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-17 19:41:11,304 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-17 19:41:11,304 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-17 19:41:11,304 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-17 19:41:11,304 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-17 19:41:11,304 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-17 19:41:11,307 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-17 19:41:11,308 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-17 19:41:11,308 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-17 19:41:11,308 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-17 19:41:11,308 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-17 19:41:11,308 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-17 19:41:11,311 INFO L520 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION is inductive. [2024-09-17 19:41:11,338 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 5 edges [2024-09-17 19:41:11,339 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-17 19:41:11,339 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-17 19:41:11,339 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-17 19:41:11,339 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-17 19:41:11,340 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-17 19:41:11,341 INFO L101 BaseMinimizeStates]: Removed 8 edges and 4 locations by large block encoding [2024-09-17 19:41:11,342 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-17 19:41:11,343 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-17 19:41:11,343 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-17 19:41:11,343 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-17 19:41:11,343 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-17 19:41:11,345 INFO L520 InvariantChecker]: The annotation(s) from entry mainENTRY to error location mainErr3REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-17 19:41:11,362 INFO L314 BlockEncoder]: Initial Icfg 8 locations, 7 edges [2024-09-17 19:41:11,362 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-17 19:41:11,362 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-17 19:41:11,362 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-17 19:41:11,362 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-17 19:41:11,363 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-17 19:41:11,368 INFO L101 BaseMinimizeStates]: Removed 12 edges and 6 locations by large block encoding [2024-09-17 19:41:11,369 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-17 19:41:11,369 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-17 19:41:11,369 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-17 19:41:11,370 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-17 19:41:11,370 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-17 19:41:11,373 INFO L520 InvariantChecker]: The annotation(s) from entry mainENTRY to loop head mainErr4ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-17 19:41:11,383 INFO L314 BlockEncoder]: Initial Icfg 8 locations, 8 edges [2024-09-17 19:41:11,384 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-17 19:41:11,384 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-17 19:41:11,385 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-17 19:41:11,385 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-17 19:41:11,385 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-17 19:41:11,416 INFO L101 BaseMinimizeStates]: Removed 14 edges and 6 locations by large block encoding [2024-09-17 19:41:11,416 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-17 19:41:11,416 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-17 19:41:11,416 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-17 19:41:11,416 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-17 19:41:11,422 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-17 19:41:14,434 INFO L520 InvariantChecker]: The annotation(s) from loop head L42-2 to loop head mainErr4ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-17 19:41:14,439 INFO L58 RefereeStarter]: Annotation is a valid proof of correctness. [2024-09-17 19:41:14,439 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@358f0dc4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee CFG 17.09 07:41:14, skipping insertion in model container [2024-09-17 19:41:14,439 INFO L131 PluginConnector]: ------------------------ END Referee---------------------------- [2024-09-17 19:41:14,441 INFO L158 Benchmark]: Toolchain (without parser) took 4414.70ms. Allocated memory was 134.2MB in the beginning and 174.1MB in the end (delta: 39.8MB). Free memory was 62.2MB in the beginning and 125.7MB in the end (delta: -63.5MB). Peak memory consumption was 30.1MB. Max. memory is 16.1GB. [2024-09-17 19:41:14,442 INFO L158 Benchmark]: Witness Parser took 0.25ms. Allocated memory is still 134.2MB. Free memory is still 96.0MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-17 19:41:14,442 INFO L158 Benchmark]: CDTParser took 0.21ms. Allocated memory is still 134.2MB. Free memory is still 106.4MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-17 19:41:14,443 INFO L158 Benchmark]: CACSL2BoogieTranslator took 321.66ms. Allocated memory was 134.2MB in the beginning and 174.1MB in the end (delta: 39.8MB). Free memory was 62.0MB in the beginning and 141.3MB in the end (delta: -79.3MB). Peak memory consumption was 19.6MB. Max. memory is 16.1GB. [2024-09-17 19:41:14,443 INFO L158 Benchmark]: Boogie Preprocessor took 64.46ms. Allocated memory is still 174.1MB. Free memory was 141.3MB in the beginning and 139.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-09-17 19:41:14,444 INFO L158 Benchmark]: RCFGBuilder took 447.51ms. Allocated memory is still 174.1MB. Free memory was 139.2MB in the beginning and 123.3MB in the end (delta: 15.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-09-17 19:41:14,444 INFO L158 Benchmark]: Referee took 3575.27ms. Allocated memory is still 174.1MB. Free memory was 123.3MB in the beginning and 125.7MB in the end (delta: -2.4MB). Peak memory consumption was 48.2MB. Max. memory is 16.1GB. [2024-09-17 19:41:14,447 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.referee: - AnnotationCheckResult: Annotation is a valid proof of correctness. Annotation is a valid proof of correctness. Annotation is valid for all loop-free paths from entry of procedure main to check that procedure precondition always holds at line 25. Annotation is valid for all loop-free paths from loop head at line 36 to exit of procedure main. Annotation is valid for all loop-free paths from entry of procedure main to check that procedure precondition always holds at line 25. Annotation is valid for all loop-free paths from entry of procedure main to check that procedure precondition always holds at line 28. Annotation is valid for all loop-free paths from loop head at line 36 to loop head at line 36. Annotation is valid for all loop-free paths from entry of procedure assume_abort_if_not to exit of procedure assume_abort_if_not. Annotation is valid for all loop-free paths from entry of procedure ULTIMATE.start to check that procedure precondition always holds at line -1. Annotation is valid for all loop-free paths from loop head at line 36 to check that procedure precondition always holds at line 37. Annotation is valid for all loop-free paths from loop head at line 36 to check that procedure precondition always holds at line 36. Annotation is valid for all loop-free paths from entry of procedure __VERIFIER_assert to check that a call to reach_error is unreachable at line 13. Annotation is valid for all loop-free paths from entry of procedure main to check that procedure precondition always holds at line 26. Annotation is valid for all loop-free paths from entry of procedure main to loop head at line 36. Annotation is valid for all loop-free paths from entry of procedure __VERIFIER_assert to exit of procedure __VERIFIER_assert. * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Witness Parser took 0.25ms. Allocated memory is still 134.2MB. Free memory is still 96.0MB. There was no memory consumed. Max. memory is 16.1GB. * CDTParser took 0.21ms. Allocated memory is still 134.2MB. Free memory is still 106.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 321.66ms. Allocated memory was 134.2MB in the beginning and 174.1MB in the end (delta: 39.8MB). Free memory was 62.0MB in the beginning and 141.3MB in the end (delta: -79.3MB). Peak memory consumption was 19.6MB. Max. memory is 16.1GB. * Boogie Preprocessor took 64.46ms. Allocated memory is still 174.1MB. Free memory was 141.3MB in the beginning and 139.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 447.51ms. Allocated memory is still 174.1MB. Free memory was 139.2MB in the beginning and 123.3MB in the end (delta: 15.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Referee took 3575.27ms. Allocated memory is still 174.1MB. Free memory was 123.3MB in the beginning and 125.7MB in the end (delta: -2.4MB). Peak memory consumption was 48.2MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2024-09-17 19:41:14,480 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