./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/loop-acceleration/array_3-1.i --full-output --witness-type correctness_witness --cacsl2boogietranslator.check.absence.of.signed.integer.overflows true --validate ../results/automizer-verification-files/SV-COMP24_unreach-call/array_3-1.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/loop-acceleration/array_3-1.i ../results/automizer-verification-files/SV-COMP24_unreach-call/array_3-1.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 --cacsl2boogietranslator.check.absence.of.signed.integer.overflows true --- Real Ultimate output --- This is Ultimate 0.2.4-dev-a9b967e-m [2024-09-12 20:10:31,918 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-12 20:10:31,974 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Default.epf [2024-09-12 20:10:31,982 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-12 20:10:31,982 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-12 20:10:32,007 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-12 20:10:32,007 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-12 20:10:32,008 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-12 20:10:32,008 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-12 20:10:32,009 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-12 20:10:32,009 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-12 20:10:32,009 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-12 20:10:32,010 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-12 20:10:32,010 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-12 20:10:32,011 INFO L153 SettingsManager]: * Use SBE=true [2024-09-12 20:10:32,011 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-12 20:10:32,011 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-12 20:10:32,012 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-12 20:10:32,012 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-09-12 20:10:32,012 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-12 20:10:32,013 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-12 20:10:32,013 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-12 20:10:32,013 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-12 20:10:32,014 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-12 20:10:32,014 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-12 20:10:32,014 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-12 20:10:32,015 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-12 20:10:32,015 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-12 20:10:32,015 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-12 20:10:32,015 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-12 20:10:32,016 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-12 20:10:32,016 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-12 20:10:32,016 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-12 20:10:32,017 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-12 20:10:32,017 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-12 20:10:32,017 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-12 20:10:32,017 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-09-12 20:10:32,018 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-09-12 20:10:32,018 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-12 20:10:32,018 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-12 20:10:32,018 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-12 20:10:32,020 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-12 20:10:32,020 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check absence of signed integer overflows -> true [2024-09-12 20:10:32,279 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-12 20:10:32,298 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-12 20:10:32,301 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-12 20:10:32,302 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-12 20:10:32,303 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-12 20:10:32,304 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/automizer-verification-files/SV-COMP24_unreach-call/array_3-1.yml/witness-2.1.yml [2024-09-12 20:10:32,354 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-12 20:10:32,354 INFO L274 PluginConnector]: CDTParser initialized [2024-09-12 20:10:32,355 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/loop-acceleration/array_3-1.i [2024-09-12 20:10:33,761 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-12 20:10:34,001 INFO L384 CDTParser]: Found 1 translation units. [2024-09-12 20:10:34,001 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-acceleration/array_3-1.i [2024-09-12 20:10:34,013 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/dc1f0bc0c/1ed2c11236344bf7bc830cc45dff3477/FLAG8c9b3d70d [2024-09-12 20:10:34,032 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/dc1f0bc0c/1ed2c11236344bf7bc830cc45dff3477 [2024-09-12 20:10:34,034 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-12 20:10:34,036 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-09-12 20:10:34,037 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-12 20:10:34,038 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-12 20:10:34,049 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-12 20:10:34,051 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 12.09 08:10:32" (1/2) ... [2024-09-12 20:10:34,052 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1e86754f and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 12.09 08:10:34, skipping insertion in model container [2024-09-12 20:10:34,053 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 12.09 08:10:32" (1/2) ... [2024-09-12 20:10:34,054 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@76cf98f4 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 12.09 08:10:34, skipping insertion in model container [2024-09-12 20:10:34,055 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.09 08:10:34" (2/2) ... [2024-09-12 20:10:34,055 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1e86754f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.09 08:10:34, skipping insertion in model container [2024-09-12 20:10:34,055 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.09 08:10:34" (2/2) ... [2024-09-12 20:10:34,067 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-12 20:10:34,068 INFO L1541 ArrayList]: Loop invariant at [L28-L32] ((i <= 1023) && (0 <= (i + 2147483648))) [2024-09-12 20:10:34,068 INFO L1541 ArrayList]: Loop invariant at [L24-L26] ((0 < i) || (i == 0)) [2024-09-12 20:10:34,069 INFO L1541 ArrayList]: Function contract at [L14]: requires (\old(cond) != 0), ensures (\old(cond) != 0) [2024-09-12 20:10:34,085 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-12 20:10:34,226 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/loop-acceleration/array_3-1.i[849,862] [2024-09-12 20:10:34,239 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-12 20:10:34,246 INFO L200 MainTranslator]: Completed pre-run Start Parsing Global Start Parsing Global [2024-09-12 20:10:34,289 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/loop-acceleration/array_3-1.i[849,862] Start Parsing Local Start Parsing Local [2024-09-12 20:10:34,297 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-12 20:10:34,316 INFO L204 MainTranslator]: Completed translation [2024-09-12 20:10:34,316 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.09 08:10:34 WrapperNode [2024-09-12 20:10:34,316 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-12 20:10:34,317 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-12 20:10:34,317 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-12 20:10:34,317 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-12 20:10:34,330 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.09 08:10:34" (1/1) ... [2024-09-12 20:10:34,331 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.09 08:10:34" (1/1) ... [2024-09-12 20:10:34,338 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.09 08:10:34" (1/1) ... [2024-09-12 20:10:34,354 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 [2024-09-12 20:10:34,354 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.09 08:10:34" (1/1) ... [2024-09-12 20:10:34,354 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.09 08:10:34" (1/1) ... [2024-09-12 20:10:34,359 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.09 08:10:34" (1/1) ... [2024-09-12 20:10:34,367 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.09 08:10:34" (1/1) ... [2024-09-12 20:10:34,371 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.09 08:10:34" (1/1) ... [2024-09-12 20:10:34,372 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.09 08:10:34" (1/1) ... [2024-09-12 20:10:34,374 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-12 20:10:34,377 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-12 20:10:34,377 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-12 20:10:34,377 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-12 20:10:34,378 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.09 08:10:34" (1/1) ... [2024-09-12 20:10:34,384 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-12 20:10:34,392 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-09-12 20:10:34,413 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) [2024-09-12 20:10:34,416 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 [2024-09-12 20:10:34,465 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-09-12 20:10:34,465 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-12 20:10:34,465 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-09-12 20:10:34,466 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-09-12 20:10:34,467 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-09-12 20:10:34,467 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-09-12 20:10:34,467 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-09-12 20:10:34,467 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_perror_fail [2024-09-12 20:10:34,467 INFO L130 BoogieDeclarations]: Found specification of procedure __assert [2024-09-12 20:10:34,468 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-09-12 20:10:34,468 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-12 20:10:34,468 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2024-09-12 20:10:34,468 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-09-12 20:10:34,468 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-09-12 20:10:34,468 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-09-12 20:10:34,469 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-09-12 20:10:34,469 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-09-12 20:10:34,469 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-09-12 20:10:34,469 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-09-12 20:10:34,469 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-09-12 20:10:34,470 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-12 20:10:34,543 INFO L242 CfgBuilder]: Building ICFG [2024-09-12 20:10:34,546 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-12 20:10:34,712 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-12 20:10:34,750 INFO L? ?]: Removed 19 outVars from TransFormulas that were not future-live. [2024-09-12 20:10:34,751 INFO L291 CfgBuilder]: Performing block encoding [2024-09-12 20:10:34,779 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-12 20:10:34,779 INFO L318 CfgBuilder]: Removed 2 assume(true) statements. [2024-09-12 20:10:34,780 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.09 08:10:34 BoogieIcfgContainer [2024-09-12 20:10:34,780 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-12 20:10:34,780 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-09-12 20:10:34,780 INFO L270 PluginConnector]: Initializing Referee... [2024-09-12 20:10:34,781 INFO L274 PluginConnector]: Referee initialized [2024-09-12 20:10:34,781 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 12.09 08:10:32" (1/4) ... [2024-09-12 20:10:34,782 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@46ba4a7d and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 12.09 08:10:34, skipping insertion in model container [2024-09-12 20:10:34,782 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 12.09 08:10:34" (2/4) ... [2024-09-12 20:10:34,782 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@46ba4a7d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 12.09 08:10:34, skipping insertion in model container [2024-09-12 20:10:34,782 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.09 08:10:34" (3/4) ... [2024-09-12 20:10:34,782 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@46ba4a7d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 12.09 08:10:34, skipping insertion in model container [2024-09-12 20:10:34,782 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.09 08:10:34" (4/4) ... [2024-09-12 20:10:34,787 INFO L79 RefereeObserver]: Analyzing ICFG array_3-1.i [2024-09-12 20:10:34,792 INFO L112 InvariantChecker]: Found 2 loops. [2024-09-12 20:10:34,793 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L24-6 to ERROR_LOC mainErr5ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 7 edges. [2024-09-12 20:10:34,793 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L24-6 to ERROR_LOC mainErr4ASSERT_VIOLATIONINTEGER_OVERFLOW. Corresponding subgraph has 6 edges. [2024-09-12 20:10:34,793 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L28-12 to ERROR_LOC mainErr8ASSERT_VIOLATIONINTEGER_OVERFLOW. Corresponding subgraph has 6 edges. [2024-09-12 20:10:34,793 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 2 edges. [2024-09-12 20:10:34,794 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L24-6 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 5 edges. [2024-09-12 20:10:34,794 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L24-6 to ERROR_LOC mainErr1ASSERT_VIOLATIONINTEGER_OVERFLOW. Corresponding subgraph has 3 edges. [2024-09-12 20:10:34,794 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L24-6 to ERROR_LOC mainErr2ASSERT_VIOLATIONINTEGER_OVERFLOW. Corresponding subgraph has 4 edges. [2024-09-12 20:10:34,794 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L28-12 to ERROR_LOC mainErr7ASSERT_VIOLATIONINTEGER_OVERFLOW. Corresponding subgraph has 5 edges. [2024-09-12 20:10:34,794 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L28-12 to ERROR_LOC mainErr9ASSERT_VIOLATIONINTEGER_OVERFLOW. Corresponding subgraph has 7 edges. [2024-09-12 20:10:34,797 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L28-12 to ERROR_LOC mainErr6ASSERT_VIOLATIONINTEGER_OVERFLOW. Corresponding subgraph has 4 edges. [2024-09-12 20:10:34,797 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L28-12 to ERROR_LOC mainErr10ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 8 edges. [2024-09-12 20:10:34,797 INFO L367 InvariantChecker]: Will check inductivity from ENTRY __VERIFIER_assertENTRY to ERROR_LOC __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 5 edges. [2024-09-12 20:10:34,797 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L24-6 to ERROR_LOC mainErr3ASSERT_VIOLATIONINTEGER_OVERFLOW. Corresponding subgraph has 5 edges. [2024-09-12 20:10:34,797 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L28-12 to ERROR_LOC mainErr11REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 6 edges. [2024-09-12 20:10:34,798 INFO L367 InvariantChecker]: Will check inductivity from ENTRY __VERIFIER_assertENTRY to ERROR_LOC __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 3 edges. [2024-09-12 20:10:34,798 INFO L130 InvariantChecker]: Will check 11 loop-free subgraphs from loop head to error location, 1 loop-free subgraphs from procedure entry to loop head, 2 loop-free subgraphs from procedure entry to error location, 1 loop-free subgraphs from loop head to loop head [2024-09-12 20:10:34,850 INFO L314 BlockEncoder]: Initial Icfg 7 locations, 7 edges [2024-09-12 20:10:34,852 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-12 20:10:34,853 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-12 20:10:34,853 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-12 20:10:34,854 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-12 20:10:34,856 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 20:10:34,873 INFO L101 BaseMinimizeStates]: Removed 15 edges and 5 locations by large block encoding [2024-09-12 20:10:34,876 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 20:10:34,876 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-12 20:10:34,877 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-12 20:10:34,877 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-12 20:10:34,881 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-12 20:10:34,895 INFO L514 InvariantChecker]: The annotation(s) from loop head L24-6 to loop head mainErr5ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-12 20:10:34,915 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 6 edges [2024-09-12 20:10:34,915 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-12 20:10:34,915 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-12 20:10:34,915 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-12 20:10:34,915 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-12 20:10:34,916 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 20:10:34,919 INFO L101 BaseMinimizeStates]: Removed 12 edges and 4 locations by large block encoding [2024-09-12 20:10:34,920 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 20:10:34,920 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-12 20:10:34,920 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-12 20:10:34,920 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-12 20:10:34,921 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-12 20:10:34,922 INFO L514 InvariantChecker]: The annotation(s) from loop head L24-6 to error location mainErr4ASSERT_VIOLATIONINTEGER_OVERFLOW is inductive. [2024-09-12 20:10:34,931 INFO L314 BlockEncoder]: Initial Icfg 7 locations, 6 edges [2024-09-12 20:10:34,931 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-12 20:10:34,931 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-12 20:10:34,931 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-12 20:10:34,931 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-12 20:10:34,932 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 20:10:34,941 INFO L101 BaseMinimizeStates]: Removed 10 edges and 5 locations by large block encoding [2024-09-12 20:10:34,942 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 20:10:34,943 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-12 20:10:34,943 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-12 20:10:34,943 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-12 20:10:34,943 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-12 20:10:34,946 INFO L514 InvariantChecker]: The annotation(s) from loop head L28-12 to error location mainErr8ASSERT_VIOLATIONINTEGER_OVERFLOW is inductive. [2024-09-12 20:10:34,960 INFO L314 BlockEncoder]: Initial Icfg 3 locations, 2 edges [2024-09-12 20:10:34,962 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-12 20:10:34,963 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-12 20:10:34,963 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-12 20:10:34,963 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-12 20:10:34,963 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 20:10:34,964 INFO L101 BaseMinimizeStates]: Removed 2 edges and 1 locations by large block encoding [2024-09-12 20:10:34,964 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 20:10:34,964 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-12 20:10:34,965 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-12 20:10:34,965 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-12 20:10:34,965 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-12 20:10:34,971 INFO L514 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-12 20:10:34,984 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 5 edges [2024-09-12 20:10:34,984 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-12 20:10:34,984 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-12 20:10:34,984 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-12 20:10:34,985 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-12 20:10:34,985 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 20:10:34,991 INFO L101 BaseMinimizeStates]: Removed 8 edges and 4 locations by large block encoding [2024-09-12 20:10:34,992 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 20:10:34,995 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-12 20:10:34,995 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-12 20:10:34,995 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-12 20:10:34,996 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-12 20:10:34,998 INFO L514 InvariantChecker]: The annotation(s) from loop head L24-6 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-12 20:10:35,013 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-12 20:10:35,013 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-12 20:10:35,013 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-12 20:10:35,014 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-12 20:10:35,014 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-12 20:10:35,014 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 20:10:35,018 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-12 20:10:35,018 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 20:10:35,018 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-12 20:10:35,019 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-12 20:10:35,019 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-12 20:10:35,019 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-12 20:10:35,021 INFO L514 InvariantChecker]: The annotation(s) from loop head L24-6 to error location mainErr1ASSERT_VIOLATIONINTEGER_OVERFLOW is inductive. [2024-09-12 20:10:35,029 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 4 edges [2024-09-12 20:10:35,030 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-12 20:10:35,030 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-12 20:10:35,030 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-12 20:10:35,031 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-12 20:10:35,031 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 20:10:35,038 INFO L101 BaseMinimizeStates]: Removed 6 edges and 3 locations by large block encoding [2024-09-12 20:10:35,039 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 20:10:35,039 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-12 20:10:35,039 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-12 20:10:35,039 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-12 20:10:35,039 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-12 20:10:35,044 INFO L514 InvariantChecker]: The annotation(s) from loop head L24-6 to error location mainErr2ASSERT_VIOLATIONINTEGER_OVERFLOW is inductive. [2024-09-12 20:10:35,058 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 5 edges [2024-09-12 20:10:35,059 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-12 20:10:35,059 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-12 20:10:35,059 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-12 20:10:35,059 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-12 20:10:35,059 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 20:10:35,064 INFO L101 BaseMinimizeStates]: Removed 8 edges and 4 locations by large block encoding [2024-09-12 20:10:35,067 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 20:10:35,067 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-12 20:10:35,068 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-12 20:10:35,068 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-12 20:10:35,068 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-12 20:10:35,071 INFO L514 InvariantChecker]: The annotation(s) from loop head L28-12 to error location mainErr7ASSERT_VIOLATIONINTEGER_OVERFLOW is inductive. [2024-09-12 20:10:35,084 INFO L314 BlockEncoder]: Initial Icfg 8 locations, 7 edges [2024-09-12 20:10:35,084 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-12 20:10:35,085 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-12 20:10:35,085 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-12 20:10:35,085 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-12 20:10:35,086 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 20:10:35,096 INFO L101 BaseMinimizeStates]: Removed 12 edges and 6 locations by large block encoding [2024-09-12 20:10:35,097 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 20:10:35,097 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-12 20:10:35,097 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-12 20:10:35,097 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-12 20:10:35,097 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-12 20:10:35,101 INFO L514 InvariantChecker]: The annotation(s) from loop head L28-12 to error location mainErr9ASSERT_VIOLATIONINTEGER_OVERFLOW is inductive. [2024-09-12 20:10:35,112 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 4 edges [2024-09-12 20:10:35,113 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-12 20:10:35,113 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-12 20:10:35,113 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-12 20:10:35,114 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-12 20:10:35,114 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 20:10:35,117 INFO L101 BaseMinimizeStates]: Removed 6 edges and 3 locations by large block encoding [2024-09-12 20:10:35,117 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 20:10:35,118 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-12 20:10:35,118 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-12 20:10:35,118 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-12 20:10:35,118 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-12 20:10:35,141 INFO L314 BlockEncoder]: Initial Icfg 9 locations, 8 edges [2024-09-12 20:10:35,142 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-12 20:10:35,142 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-12 20:10:35,142 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-12 20:10:35,142 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-12 20:10:35,142 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 20:10:35,153 INFO L101 BaseMinimizeStates]: Removed 14 edges and 7 locations by large block encoding [2024-09-12 20:10:35,153 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 20:10:35,153 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-12 20:10:35,153 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-12 20:10:35,153 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-12 20:10:35,153 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-12 20:10:35,159 INFO L514 InvariantChecker]: The annotation(s) from loop head L28-12 to loop head mainErr10ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-12 20:10:35,167 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 5 edges [2024-09-12 20:10:35,168 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-12 20:10:35,168 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-12 20:10:35,168 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-12 20:10:35,169 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-12 20:10:35,169 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 20:10:35,171 INFO L101 BaseMinimizeStates]: Removed 8 edges and 3 locations by large block encoding [2024-09-12 20:10:35,172 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 20:10:35,172 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-12 20:10:35,172 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-12 20:10:35,172 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-12 20:10:35,173 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-12 20:10:35,174 INFO L514 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-12 20:10:35,180 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 5 edges [2024-09-12 20:10:35,181 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-12 20:10:35,181 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-12 20:10:35,181 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-12 20:10:35,181 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-12 20:10:35,182 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 20:10:35,184 INFO L101 BaseMinimizeStates]: Removed 9 edges and 3 locations by large block encoding [2024-09-12 20:10:35,185 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 20:10:35,185 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-12 20:10:35,186 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-12 20:10:35,186 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-12 20:10:35,186 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-12 20:10:35,188 INFO L514 InvariantChecker]: The annotation(s) from loop head L24-6 to error location mainErr3ASSERT_VIOLATIONINTEGER_OVERFLOW is inductive. [2024-09-12 20:10:35,196 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 6 edges [2024-09-12 20:10:35,197 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-12 20:10:35,197 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-12 20:10:35,197 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-12 20:10:35,197 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-12 20:10:35,198 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 20:10:35,202 INFO L101 BaseMinimizeStates]: Removed 9 edges and 3 locations by large block encoding [2024-09-12 20:10:35,203 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 20:10:35,203 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-12 20:10:35,203 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-12 20:10:35,204 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-12 20:10:35,205 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-12 20:10:35,234 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-12 20:10:35,234 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-12 20:10:35,235 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-12 20:10:35,235 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-12 20:10:35,235 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-12 20:10:35,235 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 20:10:35,237 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-12 20:10:35,237 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 20:10:35,237 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-12 20:10:35,237 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-12 20:10:35,237 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-12 20:10:35,238 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-12 20:10:35,239 INFO L514 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION is inductive. [2024-09-12 20:10:35,246 WARN L945 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int,GLOBAL] [2024-09-12 20:10:35,247 WARN L945 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int,GLOBAL],[IdentifierExpression[~#A~0!base,]]] [2024-09-12 20:10:35,248 WARN L945 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int,GLOBAL] [2024-09-12 20:10:35,248 WARN L945 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int,GLOBAL],[IdentifierExpression[~#A~0!base,]]] [2024-09-12 20:10:35,249 WARN L945 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int,GLOBAL] [2024-09-12 20:10:35,249 WARN L945 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int,GLOBAL],[IdentifierExpression[~#A~0!base,]]] [2024-09-12 20:10:35,249 WARN L945 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int,GLOBAL] [2024-09-12 20:10:35,249 WARN L945 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int,GLOBAL],[IdentifierExpression[~#A~0!base,]]] [2024-09-12 20:10:35,250 INFO L58 RefereeStarter]: Annotation is not a valid proof of correctness. [2024-09-12 20:10:35,260 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@46ba4a7d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee CFG 12.09 08:10:35, skipping insertion in model container [2024-09-12 20:10:35,261 INFO L131 PluginConnector]: ------------------------ END Referee---------------------------- [2024-09-12 20:10:35,263 INFO L158 Benchmark]: Toolchain (without parser) took 1226.35ms. Allocated memory is still 159.4MB. Free memory was 130.0MB in the beginning and 129.6MB in the end (delta: 433.5kB). Peak memory consumption was 83.3MB. Max. memory is 16.1GB. [2024-09-12 20:10:35,264 INFO L158 Benchmark]: Witness Parser took 0.30ms. Allocated memory is still 159.4MB. Free memory is still 131.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-12 20:10:35,264 INFO L158 Benchmark]: CDTParser took 0.13ms. Allocated memory is still 159.4MB. Free memory is still 129.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-12 20:10:35,265 INFO L158 Benchmark]: CACSL2BoogieTranslator took 279.43ms. Allocated memory is still 159.4MB. Free memory was 130.0MB in the beginning and 116.6MB in the end (delta: 13.4MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-09-12 20:10:35,265 INFO L158 Benchmark]: Boogie Preprocessor took 59.34ms. Allocated memory is still 159.4MB. Free memory was 116.6MB in the beginning and 114.7MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-09-12 20:10:35,266 INFO L158 Benchmark]: RCFGBuilder took 402.92ms. Allocated memory is still 159.4MB. Free memory was 114.7MB in the beginning and 100.0MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-09-12 20:10:35,266 INFO L158 Benchmark]: Referee took 480.62ms. Allocated memory is still 159.4MB. Free memory was 99.5MB in the beginning and 129.6MB in the end (delta: -30.1MB). Peak memory consumption was 53.9MB. Max. memory is 16.1GB. [2024-09-12 20:10:35,269 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. [2024-09-12 20:10:35,271 WARN L945 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int,GLOBAL] [2024-09-12 20:10:35,271 WARN L945 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int,GLOBAL],[IdentifierExpression[~#A~0!base,]]] [2024-09-12 20:10:35,271 WARN L945 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int,GLOBAL] [2024-09-12 20:10:35,271 WARN L945 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int,GLOBAL],[IdentifierExpression[~#A~0!base,]]] [2024-09-12 20:10:35,272 WARN L945 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int,GLOBAL] [2024-09-12 20:10:35,272 WARN L945 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int,GLOBAL],[IdentifierExpression[~#A~0!base,]]] [2024-09-12 20:10:35,272 WARN L945 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int,GLOBAL] [2024-09-12 20:10:35,273 WARN L945 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int,GLOBAL],[IdentifierExpression[~#A~0!base,]]] [2024-09-12 20:10:35,273 WARN L945 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int,GLOBAL] [2024-09-12 20:10:35,273 WARN L945 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int,GLOBAL],[IdentifierExpression[~#A~0!base,]]] [2024-09-12 20:10:35,274 WARN L945 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int,GLOBAL] [2024-09-12 20:10:35,274 WARN L945 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int,GLOBAL],[IdentifierExpression[~#A~0!base,]]] [2024-09-12 20:10:35,274 WARN L945 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int,GLOBAL] [2024-09-12 20:10:35,274 WARN L945 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int,GLOBAL],[IdentifierExpression[~#A~0!base,]]] [2024-09-12 20:10:35,274 WARN L945 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int,GLOBAL] [2024-09-12 20:10:35,275 WARN L945 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int,GLOBAL],[IdentifierExpression[~#A~0!base,]]] Annotation is not a valid proof of correctness. Annotation is not valid for all loop-free paths from loop head at line 28 to check that integer overflow can never occur at line 28. One counterexample starts in A={2:0}, i=-2147483650 and ends in A={2:0}. Annotation is not valid for all loop-free paths from loop head at line 28 to check that procedure precondition always holds at line 28. One counterexample starts in A={2:0}, i=1025 and ends in A={2:0}. Annotation is valid for all loop-free paths from loop head at line 28 to check that integer overflow can never occur at line 28. Annotation is valid for all loop-free paths from entry of procedure main to loop head at line 24. Annotation is valid for all loop-free paths from loop head at line 28 to check that invariant of correctness witness holds at line 28. Annotation is valid for all loop-free paths from loop head at line 24 to check that integer overflow can never occur at line 28. 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 entry of procedure __VERIFIER_assert to exit of procedure __VERIFIER_assert. Annotation is valid for all loop-free paths from loop head at line 28 to check that integer overflow can never occur at line 28. Annotation is valid for all loop-free paths from loop head at line 24 to check that integer overflow can never occur at line 24. Annotation is valid for all loop-free paths from loop head at line 24 to check that integer overflow can never occur at line 24. Annotation is valid for all loop-free paths from loop head at line 24 to check that integer overflow can never occur at line 28. Annotation is valid for all loop-free paths from loop head at line 28 to check that integer overflow can never occur at line 28. Annotation is valid for all loop-free paths from loop head at line 24 to check that invariant of correctness witness holds at line 28. Annotation is valid for all loop-free paths from loop head at line 24 to loop head at line 24. * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Witness Parser took 0.30ms. Allocated memory is still 159.4MB. Free memory is still 131.3MB. There was no memory consumed. Max. memory is 16.1GB. * CDTParser took 0.13ms. Allocated memory is still 159.4MB. Free memory is still 129.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 279.43ms. Allocated memory is still 159.4MB. Free memory was 130.0MB in the beginning and 116.6MB in the end (delta: 13.4MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Preprocessor took 59.34ms. Allocated memory is still 159.4MB. Free memory was 116.6MB in the beginning and 114.7MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 402.92ms. Allocated memory is still 159.4MB. Free memory was 114.7MB in the beginning and 100.0MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Referee took 480.62ms. Allocated memory is still 159.4MB. Free memory was 99.5MB in the beginning and 129.6MB in the end (delta: -30.1MB). Peak memory consumption was 53.9MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int,GLOBAL],[IdentifierExpression[~#A~0!base,]]] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int,GLOBAL],[IdentifierExpression[~#A~0!base,]]] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int,GLOBAL],[IdentifierExpression[~#A~0!base,]]] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int,GLOBAL],[IdentifierExpression[~#A~0!base,]]] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int,GLOBAL],[IdentifierExpression[~#A~0!base,]]] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int,GLOBAL],[IdentifierExpression[~#A~0!base,]]] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int,GLOBAL],[IdentifierExpression[~#A~0!base,]]] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int,GLOBAL],[IdentifierExpression[~#A~0!base,]]] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int,GLOBAL],[IdentifierExpression[~#A~0!base,]]] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int,GLOBAL],[IdentifierExpression[~#A~0!base,]]] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int,GLOBAL],[IdentifierExpression[~#A~0!base,]]] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int,GLOBAL],[IdentifierExpression[~#A~0!base,]]] RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-09-12 20:10:35,300 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 Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE