./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/array-tiling/mlceu2.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 5fbdf5bf Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/array-tiling/mlceu2.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash c3826cc33caea777a7b6c27b5e6e12885fae34c2 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.1-wip.dd.seqcomp-5fbdf5b [2021-08-28 23:15:35,260 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-08-28 23:15:35,262 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-08-28 23:15:35,290 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-08-28 23:15:35,291 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-08-28 23:15:35,292 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-08-28 23:15:35,293 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-08-28 23:15:35,303 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-08-28 23:15:35,306 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-08-28 23:15:35,310 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-08-28 23:15:35,311 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-08-28 23:15:35,315 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-08-28 23:15:35,315 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-08-28 23:15:35,317 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-08-28 23:15:35,320 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-08-28 23:15:35,322 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-08-28 23:15:35,324 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-08-28 23:15:35,325 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-08-28 23:15:35,328 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-08-28 23:15:35,332 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-08-28 23:15:35,334 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-08-28 23:15:35,337 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-08-28 23:15:35,338 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-08-28 23:15:35,339 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-08-28 23:15:35,341 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-08-28 23:15:35,341 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-08-28 23:15:35,341 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-08-28 23:15:35,342 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-08-28 23:15:35,343 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-08-28 23:15:35,343 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-08-28 23:15:35,344 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-08-28 23:15:35,344 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-08-28 23:15:35,345 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-08-28 23:15:35,346 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-08-28 23:15:35,346 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-08-28 23:15:35,347 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-08-28 23:15:35,347 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-08-28 23:15:35,347 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-08-28 23:15:35,348 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-08-28 23:15:35,348 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-08-28 23:15:35,349 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-08-28 23:15:35,350 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-08-28 23:15:35,369 INFO L113 SettingsManager]: Loading preferences was successful [2021-08-28 23:15:35,369 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-08-28 23:15:35,369 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-08-28 23:15:35,370 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-08-28 23:15:35,371 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-08-28 23:15:35,371 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-08-28 23:15:35,371 INFO L138 SettingsManager]: * Use SBE=true [2021-08-28 23:15:35,371 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-08-28 23:15:35,371 INFO L138 SettingsManager]: * sizeof long=4 [2021-08-28 23:15:35,372 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-08-28 23:15:35,372 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-08-28 23:15:35,372 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-08-28 23:15:35,372 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-08-28 23:15:35,372 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-08-28 23:15:35,373 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-08-28 23:15:35,373 INFO L138 SettingsManager]: * sizeof long double=12 [2021-08-28 23:15:35,373 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-08-28 23:15:35,373 INFO L138 SettingsManager]: * Use constant arrays=true [2021-08-28 23:15:35,373 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-08-28 23:15:35,373 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-08-28 23:15:35,374 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-08-28 23:15:35,374 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-08-28 23:15:35,374 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-08-28 23:15:35,374 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-08-28 23:15:35,374 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-08-28 23:15:35,379 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-08-28 23:15:35,379 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-08-28 23:15:35,380 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-08-28 23:15:35,380 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-08-28 23:15:35,380 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-08-28 23:15:35,380 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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/ultimate/releaseScripts/default/UAutomizer-linux/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c3826cc33caea777a7b6c27b5e6e12885fae34c2 [2021-08-28 23:15:35,723 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-08-28 23:15:35,740 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-08-28 23:15:35,742 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-08-28 23:15:35,743 INFO L271 PluginConnector]: Initializing CDTParser... [2021-08-28 23:15:35,744 INFO L275 PluginConnector]: CDTParser initialized [2021-08-28 23:15:35,745 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/array-tiling/mlceu2.c [2021-08-28 23:15:35,801 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/adce8a716/5f3e5cdac14c4b6d8d156426b003a316/FLAG803ed99f1 [2021-08-28 23:15:36,233 INFO L306 CDTParser]: Found 1 translation units. [2021-08-28 23:15:36,234 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/array-tiling/mlceu2.c [2021-08-28 23:15:36,239 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/adce8a716/5f3e5cdac14c4b6d8d156426b003a316/FLAG803ed99f1 [2021-08-28 23:15:36,260 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/adce8a716/5f3e5cdac14c4b6d8d156426b003a316 [2021-08-28 23:15:36,263 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-08-28 23:15:36,265 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-08-28 23:15:36,268 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-08-28 23:15:36,268 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-08-28 23:15:36,271 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-08-28 23:15:36,272 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.08 11:15:36" (1/1) ... [2021-08-28 23:15:36,273 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4d77666b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.08 11:15:36, skipping insertion in model container [2021-08-28 23:15:36,273 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.08 11:15:36" (1/1) ... [2021-08-28 23:15:36,279 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-08-28 23:15:36,298 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-08-28 23:15:36,448 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/array-tiling/mlceu2.c[397,410] [2021-08-28 23:15:36,467 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-08-28 23:15:36,473 INFO L203 MainTranslator]: Completed pre-run [2021-08-28 23:15:36,514 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/array-tiling/mlceu2.c[397,410] [2021-08-28 23:15:36,518 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-08-28 23:15:36,530 INFO L208 MainTranslator]: Completed translation [2021-08-28 23:15:36,532 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.08 11:15:36 WrapperNode [2021-08-28 23:15:36,533 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-08-28 23:15:36,534 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-08-28 23:15:36,535 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-08-28 23:15:36,535 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-08-28 23:15:36,541 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.08 11:15:36" (1/1) ... [2021-08-28 23:15:36,548 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.08 11:15:36" (1/1) ... [2021-08-28 23:15:36,565 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-08-28 23:15:36,566 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-08-28 23:15:36,566 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-08-28 23:15:36,566 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-08-28 23:15:36,573 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.08 11:15:36" (1/1) ... [2021-08-28 23:15:36,573 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.08 11:15:36" (1/1) ... [2021-08-28 23:15:36,585 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.08 11:15:36" (1/1) ... [2021-08-28 23:15:36,585 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.08 11:15:36" (1/1) ... [2021-08-28 23:15:36,596 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.08 11:15:36" (1/1) ... [2021-08-28 23:15:36,606 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.08 11:15:36" (1/1) ... [2021-08-28 23:15:36,607 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.08 11:15:36" (1/1) ... [2021-08-28 23:15:36,609 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-08-28 23:15:36,612 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-08-28 23:15:36,613 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-08-28 23:15:36,613 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-08-28 23:15:36,614 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.08 11:15:36" (1/1) ... [2021-08-28 23:15:36,620 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-08-28 23:15:36,629 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-28 23:15:36,651 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-08-28 23:15:36,669 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-08-28 23:15:36,687 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-08-28 23:15:36,688 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-08-28 23:15:36,689 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-08-28 23:15:36,689 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-08-28 23:15:36,689 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-08-28 23:15:36,689 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-08-28 23:15:36,689 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-08-28 23:15:36,874 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-08-28 23:15:36,875 INFO L299 CfgBuilder]: Removed 8 assume(true) statements. [2021-08-28 23:15:36,877 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.08 11:15:36 BoogieIcfgContainer [2021-08-28 23:15:36,877 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-08-28 23:15:36,880 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-08-28 23:15:36,880 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-08-28 23:15:36,882 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-08-28 23:15:36,883 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.08 11:15:36" (1/3) ... [2021-08-28 23:15:36,884 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@370bd512 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.08 11:15:36, skipping insertion in model container [2021-08-28 23:15:36,884 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.08 11:15:36" (2/3) ... [2021-08-28 23:15:36,884 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@370bd512 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.08 11:15:36, skipping insertion in model container [2021-08-28 23:15:36,884 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.08 11:15:36" (3/3) ... [2021-08-28 23:15:36,885 INFO L111 eAbstractionObserver]: Analyzing ICFG mlceu2.c [2021-08-28 23:15:36,890 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-08-28 23:15:36,891 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-08-28 23:15:36,944 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-08-28 23:15:36,952 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-08-28 23:15:36,953 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-08-28 23:15:36,967 INFO L276 IsEmpty]: Start isEmpty. Operand has 17 states, 15 states have (on average 1.5333333333333334) internal successors, (23), 16 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-28 23:15:36,971 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-08-28 23:15:36,972 INFO L505 BasicCegarLoop]: Found error trace [2021-08-28 23:15:36,972 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2021-08-28 23:15:36,973 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-28 23:15:36,977 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-28 23:15:36,978 INFO L82 PathProgramCache]: Analyzing trace with hash 131762974, now seen corresponding path program 1 times [2021-08-28 23:15:36,986 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-28 23:15:36,987 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1055069937] [2021-08-28 23:15:36,988 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-28 23:15:36,988 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-28 23:15:37,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-28 23:15:37,181 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-28 23:15:37,182 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-28 23:15:37,182 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1055069937] [2021-08-28 23:15:37,183 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1055069937] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-28 23:15:37,183 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-28 23:15:37,183 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-08-28 23:15:37,185 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1769840110] [2021-08-28 23:15:37,188 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-08-28 23:15:37,205 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-28 23:15:37,230 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-08-28 23:15:37,245 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-08-28 23:15:37,247 INFO L87 Difference]: Start difference. First operand has 17 states, 15 states have (on average 1.5333333333333334) internal successors, (23), 16 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 2 states have (on average 4.0) internal successors, (8), 2 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-28 23:15:37,287 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-28 23:15:37,288 INFO L93 Difference]: Finished difference Result 28 states and 36 transitions. [2021-08-28 23:15:37,289 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-28 23:15:37,290 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 4.0) internal successors, (8), 2 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 8 [2021-08-28 23:15:37,305 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-28 23:15:37,310 INFO L225 Difference]: With dead ends: 28 [2021-08-28 23:15:37,311 INFO L226 Difference]: Without dead ends: 13 [2021-08-28 23:15:37,313 INFO L927 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.03ms TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-08-28 23:15:37,316 INFO L928 BasicCegarLoop]: 0 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 20 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 22.62ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 20 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.24ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 20 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 28.81ms IncrementalHoareTripleChecker+Time [2021-08-28 23:15:37,317 INFO L929 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 0 Invalid, 20 Unknown, 0 Unchecked, 0.24ms Time], IncrementalHoareTripleChecker [0 Valid, 20 Invalid, 0 Unknown, 0 Unchecked, 28.81ms Time] [2021-08-28 23:15:37,330 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13 states. [2021-08-28 23:15:37,341 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13 to 13. [2021-08-28 23:15:37,342 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13 states, 12 states have (on average 1.25) internal successors, (15), 12 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-28 23:15:37,343 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 15 transitions. [2021-08-28 23:15:37,344 INFO L78 Accepts]: Start accepts. Automaton has 13 states and 15 transitions. Word has length 8 [2021-08-28 23:15:37,344 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-28 23:15:37,344 INFO L470 AbstractCegarLoop]: Abstraction has 13 states and 15 transitions. [2021-08-28 23:15:37,345 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 4.0) internal successors, (8), 2 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-28 23:15:37,345 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 15 transitions. [2021-08-28 23:15:37,345 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-08-28 23:15:37,345 INFO L505 BasicCegarLoop]: Found error trace [2021-08-28 23:15:37,345 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2021-08-28 23:15:37,346 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-08-28 23:15:37,346 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-28 23:15:37,347 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-28 23:15:37,347 INFO L82 PathProgramCache]: Analyzing trace with hash 121604243, now seen corresponding path program 1 times [2021-08-28 23:15:37,347 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-28 23:15:37,347 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [324195706] [2021-08-28 23:15:37,347 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-28 23:15:37,348 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-28 23:15:37,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-28 23:15:37,438 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-28 23:15:37,438 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-28 23:15:37,438 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [324195706] [2021-08-28 23:15:37,438 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [324195706] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-28 23:15:37,438 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-28 23:15:37,439 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-08-28 23:15:37,439 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1377671477] [2021-08-28 23:15:37,440 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-28 23:15:37,440 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-28 23:15:37,440 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-28 23:15:37,441 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-28 23:15:37,441 INFO L87 Difference]: Start difference. First operand 13 states and 15 transitions. Second operand has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-28 23:15:37,495 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-28 23:15:37,495 INFO L93 Difference]: Finished difference Result 26 states and 32 transitions. [2021-08-28 23:15:37,496 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-28 23:15:37,496 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 8 [2021-08-28 23:15:37,496 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-28 23:15:37,497 INFO L225 Difference]: With dead ends: 26 [2021-08-28 23:15:37,498 INFO L226 Difference]: Without dead ends: 16 [2021-08-28 23:15:37,498 INFO L927 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 18.04ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-28 23:15:37,500 INFO L928 BasicCegarLoop]: 0 mSDtfsCounter, 2 mSDsluCounter, 4 mSDsCounter, 0 mSdLazyCounter, 29 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 38.21ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 30 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.53ms SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 29 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 48.80ms IncrementalHoareTripleChecker+Time [2021-08-28 23:15:37,501 INFO L929 BasicCegarLoop]: SdHoareTripleChecker [2 Valid, 0 Invalid, 30 Unknown, 0 Unchecked, 0.53ms Time], IncrementalHoareTripleChecker [1 Valid, 29 Invalid, 0 Unknown, 0 Unchecked, 48.80ms Time] [2021-08-28 23:15:37,502 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16 states. [2021-08-28 23:15:37,505 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16 to 15. [2021-08-28 23:15:37,506 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15 states, 14 states have (on average 1.2142857142857142) internal successors, (17), 14 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-28 23:15:37,507 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 17 transitions. [2021-08-28 23:15:37,507 INFO L78 Accepts]: Start accepts. Automaton has 15 states and 17 transitions. Word has length 8 [2021-08-28 23:15:37,508 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-28 23:15:37,508 INFO L470 AbstractCegarLoop]: Abstraction has 15 states and 17 transitions. [2021-08-28 23:15:37,508 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-28 23:15:37,508 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 17 transitions. [2021-08-28 23:15:37,509 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-08-28 23:15:37,510 INFO L505 BasicCegarLoop]: Found error trace [2021-08-28 23:15:37,510 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-28 23:15:37,510 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-08-28 23:15:37,511 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-28 23:15:37,511 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-28 23:15:37,511 INFO L82 PathProgramCache]: Analyzing trace with hash -150898456, now seen corresponding path program 1 times [2021-08-28 23:15:37,512 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-28 23:15:37,513 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2130722057] [2021-08-28 23:15:37,513 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-28 23:15:37,514 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-28 23:15:37,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-28 23:15:37,599 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-28 23:15:37,600 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-28 23:15:37,601 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2130722057] [2021-08-28 23:15:37,601 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2130722057] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-28 23:15:37,601 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [628609729] [2021-08-28 23:15:37,601 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-28 23:15:37,602 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-28 23:15:37,607 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-28 23:15:37,608 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-08-28 23:15:37,610 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-08-28 23:15:37,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-28 23:15:37,656 INFO L263 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 4 conjunts are in the unsatisfiable core [2021-08-28 23:15:37,659 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-28 23:15:37,750 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-28 23:15:37,750 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-08-28 23:15:37,829 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-28 23:15:37,829 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [628609729] provided 0 perfect and 2 imperfect interpolant sequences [2021-08-28 23:15:37,830 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2021-08-28 23:15:37,830 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 7 [2021-08-28 23:15:37,830 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1382190611] [2021-08-28 23:15:37,830 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-08-28 23:15:37,831 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-28 23:15:37,831 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-08-28 23:15:37,831 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=22, Unknown=0, NotChecked=0, Total=42 [2021-08-28 23:15:37,832 INFO L87 Difference]: Start difference. First operand 15 states and 17 transitions. Second operand has 7 states, 7 states have (on average 2.857142857142857) internal successors, (20), 7 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-28 23:15:37,892 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-28 23:15:37,893 INFO L93 Difference]: Finished difference Result 29 states and 35 transitions. [2021-08-28 23:15:37,893 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-08-28 23:15:37,893 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 2.857142857142857) internal successors, (20), 7 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 11 [2021-08-28 23:15:37,894 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-28 23:15:37,894 INFO L225 Difference]: With dead ends: 29 [2021-08-28 23:15:37,894 INFO L226 Difference]: Without dead ends: 19 [2021-08-28 23:15:37,895 INFO L927 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 18 SyntacticMatches, 1 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 34.86ms TimeCoverageRelationStatistics Valid=20, Invalid=22, Unknown=0, NotChecked=0, Total=42 [2021-08-28 23:15:37,896 INFO L928 BasicCegarLoop]: 0 mSDtfsCounter, 10 mSDsluCounter, 12 mSDsCounter, 0 mSdLazyCounter, 66 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 34.69ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 10 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 70 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.76ms SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 66 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 52.94ms IncrementalHoareTripleChecker+Time [2021-08-28 23:15:37,896 INFO L929 BasicCegarLoop]: SdHoareTripleChecker [10 Valid, 0 Invalid, 70 Unknown, 0 Unchecked, 0.76ms Time], IncrementalHoareTripleChecker [4 Valid, 66 Invalid, 0 Unknown, 0 Unchecked, 52.94ms Time] [2021-08-28 23:15:37,897 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19 states. [2021-08-28 23:15:37,899 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19 to 18. [2021-08-28 23:15:37,899 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18 states, 17 states have (on average 1.1764705882352942) internal successors, (20), 17 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-28 23:15:37,900 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 20 transitions. [2021-08-28 23:15:37,900 INFO L78 Accepts]: Start accepts. Automaton has 18 states and 20 transitions. Word has length 11 [2021-08-28 23:15:37,900 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-28 23:15:37,900 INFO L470 AbstractCegarLoop]: Abstraction has 18 states and 20 transitions. [2021-08-28 23:15:37,901 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 2.857142857142857) internal successors, (20), 7 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-28 23:15:37,901 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 20 transitions. [2021-08-28 23:15:37,901 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-08-28 23:15:37,901 INFO L505 BasicCegarLoop]: Found error trace [2021-08-28 23:15:37,901 INFO L513 BasicCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-28 23:15:37,931 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2021-08-28 23:15:38,117 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-28 23:15:38,118 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-28 23:15:38,118 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-28 23:15:38,118 INFO L82 PathProgramCache]: Analyzing trace with hash -790614925, now seen corresponding path program 2 times [2021-08-28 23:15:38,118 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-28 23:15:38,119 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [654179870] [2021-08-28 23:15:38,119 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-28 23:15:38,119 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-28 23:15:38,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-28 23:15:38,335 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-28 23:15:38,336 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-28 23:15:38,336 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [654179870] [2021-08-28 23:15:38,336 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [654179870] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-28 23:15:38,336 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [120705268] [2021-08-28 23:15:38,336 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-08-28 23:15:38,337 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-28 23:15:38,337 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-28 23:15:38,338 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-08-28 23:15:38,339 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-08-28 23:15:38,378 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-08-28 23:15:38,378 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-08-28 23:15:38,380 INFO L263 TraceCheckSpWp]: Trace formula consists of 74 conjuncts, 14 conjunts are in the unsatisfiable core [2021-08-28 23:15:38,381 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-28 23:15:38,425 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2021-08-28 23:15:38,497 INFO L354 Elim1Store]: treesize reduction 25, result has 21.9 percent of original size [2021-08-28 23:15:38,497 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 26 treesize of output 25 [2021-08-28 23:15:38,641 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-28 23:15:38,641 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-08-28 23:15:39,057 WARN L838 $PredicateComparison]: unable to prove that (forall ((v_ULTIMATE.start_main_~i~0_23 Int)) (or (= (select (store (select |c_#memory_int| c_ULTIMATE.start_main_~a~0.base) (+ c_ULTIMATE.start_main_~a~0.offset (* v_ULTIMATE.start_main_~i~0_23 4)) 0) c_ULTIMATE.start_main_~a~0.offset) 0) (< v_ULTIMATE.start_main_~i~0_23 (+ c_ULTIMATE.start_main_~i~0 1)))) is different from false [2021-08-28 23:15:39,077 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 25 [2021-08-28 23:15:39,081 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 44 treesize of output 42 [2021-08-28 23:15:39,104 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 1 not checked. [2021-08-28 23:15:39,104 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [120705268] provided 0 perfect and 2 imperfect interpolant sequences [2021-08-28 23:15:39,105 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2021-08-28 23:15:39,105 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8, 8] total 17 [2021-08-28 23:15:39,105 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [29781832] [2021-08-28 23:15:39,106 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2021-08-28 23:15:39,106 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-28 23:15:39,106 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2021-08-28 23:15:39,107 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=68, Invalid=175, Unknown=1, NotChecked=28, Total=272 [2021-08-28 23:15:39,107 INFO L87 Difference]: Start difference. First operand 18 states and 20 transitions. Second operand has 17 states, 17 states have (on average 1.8823529411764706) internal successors, (32), 17 states have internal predecessors, (32), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-28 23:15:39,423 WARN L838 $PredicateComparison]: unable to prove that (and (forall ((v_ULTIMATE.start_main_~i~0_23 Int)) (or (= (select (store (select |c_#memory_int| c_ULTIMATE.start_main_~a~0.base) (+ c_ULTIMATE.start_main_~a~0.offset (* v_ULTIMATE.start_main_~i~0_23 4)) 0) c_ULTIMATE.start_main_~a~0.offset) 0) (< v_ULTIMATE.start_main_~i~0_23 (+ c_ULTIMATE.start_main_~i~0 1)))) (= c_ULTIMATE.start_main_~i~0 0) (= c_ULTIMATE.start_main_~a~0.offset 0) (= (select (select |c_#memory_int| c_ULTIMATE.start_main_~a~0.base) (+ c_ULTIMATE.start_main_~a~0.offset (* c_ULTIMATE.start_main_~i~0 4))) 0)) is different from false [2021-08-28 23:15:40,518 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-28 23:15:40,518 INFO L93 Difference]: Finished difference Result 30 states and 33 transitions. [2021-08-28 23:15:40,519 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-08-28 23:15:40,520 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 17 states have (on average 1.8823529411764706) internal successors, (32), 17 states have internal predecessors, (32), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 14 [2021-08-28 23:15:40,520 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-28 23:15:40,520 INFO L225 Difference]: With dead ends: 30 [2021-08-28 23:15:40,520 INFO L226 Difference]: Without dead ends: 28 [2021-08-28 23:15:40,521 INFO L927 BasicCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 18 SyntacticMatches, 1 SemanticMatches, 18 ConstructedPredicates, 2 IntricatePredicates, 0 DeprecatedPredicates, 92 ImplicationChecksByTransitivity, 1786.75ms TimeCoverageRelationStatistics Valid=91, Invalid=221, Unknown=2, NotChecked=66, Total=380 [2021-08-28 23:15:40,522 INFO L928 BasicCegarLoop]: 0 mSDtfsCounter, 10 mSDsluCounter, 25 mSDsCounter, 0 mSdLazyCounter, 87 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 55.99ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 10 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 126 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 1.28ms SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 87 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 26 IncrementalHoareTripleChecker+Unchecked, 75.79ms IncrementalHoareTripleChecker+Time [2021-08-28 23:15:40,522 INFO L929 BasicCegarLoop]: SdHoareTripleChecker [10 Valid, 0 Invalid, 126 Unknown, 0 Unchecked, 1.28ms Time], IncrementalHoareTripleChecker [13 Valid, 87 Invalid, 0 Unknown, 26 Unchecked, 75.79ms Time] [2021-08-28 23:15:40,523 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28 states. [2021-08-28 23:15:40,528 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28 to 20. [2021-08-28 23:15:40,529 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20 states, 19 states have (on average 1.1578947368421053) internal successors, (22), 19 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-28 23:15:40,529 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 22 transitions. [2021-08-28 23:15:40,529 INFO L78 Accepts]: Start accepts. Automaton has 20 states and 22 transitions. Word has length 14 [2021-08-28 23:15:40,530 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-28 23:15:40,530 INFO L470 AbstractCegarLoop]: Abstraction has 20 states and 22 transitions. [2021-08-28 23:15:40,530 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 1.8823529411764706) internal successors, (32), 17 states have internal predecessors, (32), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-28 23:15:40,530 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 22 transitions. [2021-08-28 23:15:40,531 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-08-28 23:15:40,531 INFO L505 BasicCegarLoop]: Found error trace [2021-08-28 23:15:40,531 INFO L513 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-28 23:15:40,553 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2021-08-28 23:15:40,741 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable3 [2021-08-28 23:15:40,741 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-28 23:15:40,742 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-28 23:15:40,742 INFO L82 PathProgramCache]: Analyzing trace with hash -601757591, now seen corresponding path program 1 times [2021-08-28 23:15:40,742 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-28 23:15:40,742 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1946496632] [2021-08-28 23:15:40,742 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-28 23:15:40,743 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-28 23:15:40,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-28 23:15:40,845 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-28 23:15:40,845 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-28 23:15:40,846 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1946496632] [2021-08-28 23:15:40,846 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1946496632] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-28 23:15:40,846 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1762552073] [2021-08-28 23:15:40,846 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-28 23:15:40,846 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-28 23:15:40,847 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-28 23:15:40,848 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-08-28 23:15:40,859 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2021-08-28 23:15:40,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-28 23:15:40,896 INFO L263 TraceCheckSpWp]: Trace formula consists of 85 conjuncts, 14 conjunts are in the unsatisfiable core [2021-08-28 23:15:40,898 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-28 23:15:40,939 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 18 [2021-08-28 23:15:41,047 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-28 23:15:41,047 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-08-28 23:15:41,101 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 14 [2021-08-28 23:15:41,105 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 24 [2021-08-28 23:15:41,135 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-28 23:15:41,136 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1762552073] provided 0 perfect and 2 imperfect interpolant sequences [2021-08-28 23:15:41,137 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2021-08-28 23:15:41,137 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 8, 8] total 11 [2021-08-28 23:15:41,137 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1989888810] [2021-08-28 23:15:41,138 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2021-08-28 23:15:41,138 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-28 23:15:41,139 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-08-28 23:15:41,139 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=84, Unknown=0, NotChecked=0, Total=110 [2021-08-28 23:15:41,140 INFO L87 Difference]: Start difference. First operand 20 states and 22 transitions. Second operand has 11 states, 11 states have (on average 2.6363636363636362) internal successors, (29), 11 states have internal predecessors, (29), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-28 23:15:41,294 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-28 23:15:41,294 INFO L93 Difference]: Finished difference Result 31 states and 33 transitions. [2021-08-28 23:15:41,295 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-08-28 23:15:41,295 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 2.6363636363636362) internal successors, (29), 11 states have internal predecessors, (29), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 18 [2021-08-28 23:15:41,295 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-28 23:15:41,295 INFO L225 Difference]: With dead ends: 31 [2021-08-28 23:15:41,296 INFO L226 Difference]: Without dead ends: 29 [2021-08-28 23:15:41,296 INFO L927 BasicCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 28 SyntacticMatches, 6 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 65 ImplicationChecksByTransitivity, 130.14ms TimeCoverageRelationStatistics Valid=74, Invalid=232, Unknown=0, NotChecked=0, Total=306 [2021-08-28 23:15:41,297 INFO L928 BasicCegarLoop]: 0 mSDtfsCounter, 25 mSDsluCounter, 24 mSDsCounter, 0 mSdLazyCounter, 130 mSolverCounterSat, 18 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 65.69ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 25 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 148 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 1.64ms SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Valid, 130 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 84.75ms IncrementalHoareTripleChecker+Time [2021-08-28 23:15:41,297 INFO L929 BasicCegarLoop]: SdHoareTripleChecker [25 Valid, 0 Invalid, 148 Unknown, 0 Unchecked, 1.64ms Time], IncrementalHoareTripleChecker [18 Valid, 130 Invalid, 0 Unknown, 0 Unchecked, 84.75ms Time] [2021-08-28 23:15:41,298 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29 states. [2021-08-28 23:15:41,300 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29 to 24. [2021-08-28 23:15:41,301 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24 states, 23 states have (on average 1.1304347826086956) internal successors, (26), 23 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-28 23:15:41,301 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 24 states and 26 transitions. [2021-08-28 23:15:41,301 INFO L78 Accepts]: Start accepts. Automaton has 24 states and 26 transitions. Word has length 18 [2021-08-28 23:15:41,301 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-28 23:15:41,302 INFO L470 AbstractCegarLoop]: Abstraction has 24 states and 26 transitions. [2021-08-28 23:15:41,302 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 2.6363636363636362) internal successors, (29), 11 states have internal predecessors, (29), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-28 23:15:41,302 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 26 transitions. [2021-08-28 23:15:41,303 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-08-28 23:15:41,303 INFO L505 BasicCegarLoop]: Found error trace [2021-08-28 23:15:41,303 INFO L513 BasicCegarLoop]: trace histogram [3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1] [2021-08-28 23:15:41,330 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2021-08-28 23:15:41,527 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-28 23:15:41,527 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-28 23:15:41,527 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-28 23:15:41,528 INFO L82 PathProgramCache]: Analyzing trace with hash -1214727841, now seen corresponding path program 2 times [2021-08-28 23:15:41,528 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-28 23:15:41,528 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [222507583] [2021-08-28 23:15:41,528 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-28 23:15:41,528 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-28 23:15:41,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-28 23:15:41,602 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 3 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-28 23:15:41,603 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-28 23:15:41,603 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [222507583] [2021-08-28 23:15:41,603 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [222507583] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-28 23:15:41,603 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [215286751] [2021-08-28 23:15:41,603 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-08-28 23:15:41,603 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-28 23:15:41,604 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-28 23:15:41,611 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-08-28 23:15:41,612 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2021-08-28 23:15:41,650 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-08-28 23:15:41,650 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-08-28 23:15:41,651 INFO L263 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 8 conjunts are in the unsatisfiable core [2021-08-28 23:15:41,652 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-28 23:15:41,757 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 8 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-28 23:15:41,758 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-08-28 23:15:41,811 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 8 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-28 23:15:41,811 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [215286751] provided 0 perfect and 2 imperfect interpolant sequences [2021-08-28 23:15:41,811 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2021-08-28 23:15:41,811 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9, 9] total 14 [2021-08-28 23:15:41,812 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [415470490] [2021-08-28 23:15:41,813 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2021-08-28 23:15:41,813 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-28 23:15:41,813 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-08-28 23:15:41,814 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=53, Invalid=129, Unknown=0, NotChecked=0, Total=182 [2021-08-28 23:15:41,814 INFO L87 Difference]: Start difference. First operand 24 states and 26 transitions. Second operand has 14 states, 14 states have (on average 2.9285714285714284) internal successors, (41), 14 states have internal predecessors, (41), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-28 23:15:41,925 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-28 23:15:41,925 INFO L93 Difference]: Finished difference Result 62 states and 68 transitions. [2021-08-28 23:15:41,926 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-08-28 23:15:41,928 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 2.9285714285714284) internal successors, (41), 14 states have internal predecessors, (41), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 22 [2021-08-28 23:15:41,928 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-28 23:15:41,930 INFO L225 Difference]: With dead ends: 62 [2021-08-28 23:15:41,930 INFO L226 Difference]: Without dead ends: 36 [2021-08-28 23:15:41,931 INFO L927 BasicCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 39 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 57 ImplicationChecksByTransitivity, 83.45ms TimeCoverageRelationStatistics Valid=80, Invalid=192, Unknown=0, NotChecked=0, Total=272 [2021-08-28 23:15:41,933 INFO L928 BasicCegarLoop]: 0 mSDtfsCounter, 43 mSDsluCounter, 32 mSDsCounter, 0 mSdLazyCounter, 108 mSolverCounterSat, 21 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 55.35ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 43 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 129 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 1.57ms SdHoareTripleChecker+Time, 21 IncrementalHoareTripleChecker+Valid, 108 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 72.96ms IncrementalHoareTripleChecker+Time [2021-08-28 23:15:41,934 INFO L929 BasicCegarLoop]: SdHoareTripleChecker [43 Valid, 0 Invalid, 129 Unknown, 0 Unchecked, 1.57ms Time], IncrementalHoareTripleChecker [21 Valid, 108 Invalid, 0 Unknown, 0 Unchecked, 72.96ms Time] [2021-08-28 23:15:41,935 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 36 states. [2021-08-28 23:15:41,942 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 36 to 27. [2021-08-28 23:15:41,942 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 27 states, 26 states have (on average 1.1153846153846154) internal successors, (29), 26 states have internal predecessors, (29), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-28 23:15:41,946 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 27 states and 29 transitions. [2021-08-28 23:15:41,946 INFO L78 Accepts]: Start accepts. Automaton has 27 states and 29 transitions. Word has length 22 [2021-08-28 23:15:41,946 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-28 23:15:41,947 INFO L470 AbstractCegarLoop]: Abstraction has 27 states and 29 transitions. [2021-08-28 23:15:41,947 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 2.9285714285714284) internal successors, (41), 14 states have internal predecessors, (41), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-28 23:15:41,947 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 29 transitions. [2021-08-28 23:15:41,948 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-08-28 23:15:41,948 INFO L505 BasicCegarLoop]: Found error trace [2021-08-28 23:15:41,948 INFO L513 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1] [2021-08-28 23:15:41,976 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2021-08-28 23:15:42,164 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-28 23:15:42,165 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-28 23:15:42,165 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-28 23:15:42,165 INFO L82 PathProgramCache]: Analyzing trace with hash 185659636, now seen corresponding path program 3 times [2021-08-28 23:15:42,166 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-28 23:15:42,166 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2056018438] [2021-08-28 23:15:42,166 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-28 23:15:42,166 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-28 23:15:42,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-28 23:15:42,296 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-28 23:15:42,296 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-28 23:15:42,296 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2056018438] [2021-08-28 23:15:42,297 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2056018438] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-28 23:15:42,297 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1306900922] [2021-08-28 23:15:42,297 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2021-08-28 23:15:42,297 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-28 23:15:42,297 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-28 23:15:42,305 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-08-28 23:15:42,307 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2021-08-28 23:15:42,351 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2021-08-28 23:15:42,351 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-08-28 23:15:42,352 INFO L263 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 15 conjunts are in the unsatisfiable core [2021-08-28 23:15:42,354 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-28 23:15:42,407 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2021-08-28 23:15:42,747 INFO L354 Elim1Store]: treesize reduction 13, result has 18.8 percent of original size [2021-08-28 23:15:42,747 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 58 treesize of output 37 [2021-08-28 23:15:42,763 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 6 proven. 14 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-28 23:15:42,763 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-08-28 23:15:43,109 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 25 [2021-08-28 23:15:43,112 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 36 [2021-08-28 23:15:43,136 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 4 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-28 23:15:43,136 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1306900922] provided 0 perfect and 2 imperfect interpolant sequences [2021-08-28 23:15:43,136 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2021-08-28 23:15:43,136 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 12, 12] total 27 [2021-08-28 23:15:43,136 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1946458021] [2021-08-28 23:15:43,138 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2021-08-28 23:15:43,138 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-28 23:15:43,138 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2021-08-28 23:15:43,139 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=114, Invalid=588, Unknown=0, NotChecked=0, Total=702 [2021-08-28 23:15:43,139 INFO L87 Difference]: Start difference. First operand 27 states and 29 transitions. Second operand has 27 states, 27 states have (on average 2.2222222222222223) internal successors, (60), 27 states have internal predecessors, (60), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-28 23:15:43,385 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-28 23:15:43,385 INFO L93 Difference]: Finished difference Result 46 states and 49 transitions. [2021-08-28 23:15:43,386 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-08-28 23:15:43,386 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 27 states have (on average 2.2222222222222223) internal successors, (60), 27 states have internal predecessors, (60), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 25 [2021-08-28 23:15:43,386 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-28 23:15:43,386 INFO L225 Difference]: With dead ends: 46 [2021-08-28 23:15:43,387 INFO L226 Difference]: Without dead ends: 30 [2021-08-28 23:15:43,387 INFO L927 BasicCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 35 SyntacticMatches, 1 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 294 ImplicationChecksByTransitivity, 530.09ms TimeCoverageRelationStatistics Valid=212, Invalid=1120, Unknown=0, NotChecked=0, Total=1332 [2021-08-28 23:15:43,388 INFO L928 BasicCegarLoop]: 0 mSDtfsCounter, 9 mSDsluCounter, 22 mSDsCounter, 0 mSdLazyCounter, 103 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 46.75ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 150 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.86ms SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 103 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 42 IncrementalHoareTripleChecker+Unchecked, 57.24ms IncrementalHoareTripleChecker+Time [2021-08-28 23:15:43,388 INFO L929 BasicCegarLoop]: SdHoareTripleChecker [9 Valid, 0 Invalid, 150 Unknown, 0 Unchecked, 0.86ms Time], IncrementalHoareTripleChecker [5 Valid, 103 Invalid, 0 Unknown, 42 Unchecked, 57.24ms Time] [2021-08-28 23:15:43,389 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30 states. [2021-08-28 23:15:43,391 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30 to 29. [2021-08-28 23:15:43,391 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 29 states, 28 states have (on average 1.1071428571428572) internal successors, (31), 28 states have internal predecessors, (31), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-28 23:15:43,392 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 29 states and 31 transitions. [2021-08-28 23:15:43,392 INFO L78 Accepts]: Start accepts. Automaton has 29 states and 31 transitions. Word has length 25 [2021-08-28 23:15:43,392 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-28 23:15:43,392 INFO L470 AbstractCegarLoop]: Abstraction has 29 states and 31 transitions. [2021-08-28 23:15:43,392 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 27 states have (on average 2.2222222222222223) internal successors, (60), 27 states have internal predecessors, (60), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-28 23:15:43,392 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 31 transitions. [2021-08-28 23:15:43,393 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-08-28 23:15:43,393 INFO L505 BasicCegarLoop]: Found error trace [2021-08-28 23:15:43,393 INFO L513 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-28 23:15:43,421 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2021-08-28 23:15:43,611 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-28 23:15:43,611 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-28 23:15:43,612 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-28 23:15:43,612 INFO L82 PathProgramCache]: Analyzing trace with hash -903462723, now seen corresponding path program 1 times [2021-08-28 23:15:43,612 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-28 23:15:43,612 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1000239018] [2021-08-28 23:15:43,612 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-28 23:15:43,612 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-28 23:15:43,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-28 23:15:43,669 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 7 proven. 15 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-08-28 23:15:43,670 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-28 23:15:43,670 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1000239018] [2021-08-28 23:15:43,670 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1000239018] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-28 23:15:43,670 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1807922530] [2021-08-28 23:15:43,670 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-28 23:15:43,670 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-28 23:15:43,670 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-28 23:15:43,671 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-08-28 23:15:43,684 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2021-08-28 23:15:43,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-28 23:15:43,738 INFO L263 TraceCheckSpWp]: Trace formula consists of 106 conjuncts, 5 conjunts are in the unsatisfiable core [2021-08-28 23:15:43,739 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-28 23:15:43,808 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 7 proven. 15 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-08-28 23:15:43,808 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-08-28 23:15:43,915 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 7 proven. 15 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-08-28 23:15:43,915 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1807922530] provided 0 perfect and 2 imperfect interpolant sequences [2021-08-28 23:15:43,915 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2021-08-28 23:15:43,915 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6] total 11 [2021-08-28 23:15:43,916 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1157108703] [2021-08-28 23:15:43,916 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2021-08-28 23:15:43,916 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-28 23:15:43,917 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-08-28 23:15:43,917 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=55, Unknown=0, NotChecked=0, Total=110 [2021-08-28 23:15:43,917 INFO L87 Difference]: Start difference. First operand 29 states and 31 transitions. Second operand has 11 states, 11 states have (on average 3.5454545454545454) internal successors, (39), 11 states have internal predecessors, (39), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-28 23:15:44,043 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-28 23:15:44,044 INFO L93 Difference]: Finished difference Result 101 states and 114 transitions. [2021-08-28 23:15:44,044 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-08-28 23:15:44,044 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 3.5454545454545454) internal successors, (39), 11 states have internal predecessors, (39), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 28 [2021-08-28 23:15:44,044 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-28 23:15:44,046 INFO L225 Difference]: With dead ends: 101 [2021-08-28 23:15:44,046 INFO L226 Difference]: Without dead ends: 85 [2021-08-28 23:15:44,046 INFO L927 BasicCegarLoop]: 0 DeclaredPredicates, 60 GetRequests, 51 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 48.06ms TimeCoverageRelationStatistics Valid=55, Invalid=55, Unknown=0, NotChecked=0, Total=110 [2021-08-28 23:15:44,047 INFO L928 BasicCegarLoop]: 0 mSDtfsCounter, 92 mSDsluCounter, 36 mSDsCounter, 0 mSdLazyCounter, 105 mSolverCounterSat, 38 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 73.58ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 92 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 143 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 1.14ms SdHoareTripleChecker+Time, 38 IncrementalHoareTripleChecker+Valid, 105 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 107.87ms IncrementalHoareTripleChecker+Time [2021-08-28 23:15:44,047 INFO L929 BasicCegarLoop]: SdHoareTripleChecker [92 Valid, 0 Invalid, 143 Unknown, 0 Unchecked, 1.14ms Time], IncrementalHoareTripleChecker [38 Valid, 105 Invalid, 0 Unknown, 0 Unchecked, 107.87ms Time] [2021-08-28 23:15:44,048 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 85 states. [2021-08-28 23:15:44,052 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 85 to 42. [2021-08-28 23:15:44,053 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 42 states, 41 states have (on average 1.170731707317073) internal successors, (48), 41 states have internal predecessors, (48), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-28 23:15:44,053 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 42 states and 48 transitions. [2021-08-28 23:15:44,053 INFO L78 Accepts]: Start accepts. Automaton has 42 states and 48 transitions. Word has length 28 [2021-08-28 23:15:44,054 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-28 23:15:44,054 INFO L470 AbstractCegarLoop]: Abstraction has 42 states and 48 transitions. [2021-08-28 23:15:44,054 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 3.5454545454545454) internal successors, (39), 11 states have internal predecessors, (39), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-28 23:15:44,054 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 48 transitions. [2021-08-28 23:15:44,054 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-08-28 23:15:44,055 INFO L505 BasicCegarLoop]: Found error trace [2021-08-28 23:15:44,055 INFO L513 BasicCegarLoop]: trace histogram [4, 4, 4, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1] [2021-08-28 23:15:44,082 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2021-08-28 23:15:44,279 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-28 23:15:44,279 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-28 23:15:44,280 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-28 23:15:44,280 INFO L82 PathProgramCache]: Analyzing trace with hash 2111640895, now seen corresponding path program 4 times [2021-08-28 23:15:44,280 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-28 23:15:44,280 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1517996497] [2021-08-28 23:15:44,280 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-28 23:15:44,280 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-28 23:15:44,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-28 23:15:44,431 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 1 proven. 29 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-28 23:15:44,432 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-28 23:15:44,432 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1517996497] [2021-08-28 23:15:44,432 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1517996497] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-28 23:15:44,432 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1044443221] [2021-08-28 23:15:44,432 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2021-08-28 23:15:44,432 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-28 23:15:44,432 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-28 23:15:44,436 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-08-28 23:15:44,437 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2021-08-28 23:15:44,482 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-08-28 23:15:44,482 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-08-28 23:15:44,483 INFO L263 TraceCheckSpWp]: Trace formula consists of 106 conjuncts, 20 conjunts are in the unsatisfiable core [2021-08-28 23:15:44,486 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-28 23:15:44,529 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2021-08-28 23:15:44,596 INFO L354 Elim1Store]: treesize reduction 37, result has 22.9 percent of original size [2021-08-28 23:15:44,596 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 38 treesize of output 37 [2021-08-28 23:15:44,753 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 22 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-08-28 23:15:44,753 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-08-28 23:15:45,246 WARN L838 $PredicateComparison]: unable to prove that (forall ((v_ULTIMATE.start_main_~i~0_72 Int)) (or (= (select (store (select |c_#memory_int| c_ULTIMATE.start_main_~a~0.base) (+ c_ULTIMATE.start_main_~a~0.offset (* v_ULTIMATE.start_main_~i~0_72 4)) 0) (+ c_ULTIMATE.start_main_~a~0.offset 8)) 0) (< v_ULTIMATE.start_main_~i~0_72 (+ c_ULTIMATE.start_main_~i~0 1)))) is different from false [2021-08-28 23:15:45,256 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 27 [2021-08-28 23:15:45,260 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 54 treesize of output 50 [2021-08-28 23:15:45,301 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 1 proven. 26 refuted. 0 times theorem prover too weak. 0 trivial. 3 not checked. [2021-08-28 23:15:45,301 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1044443221] provided 0 perfect and 2 imperfect interpolant sequences [2021-08-28 23:15:45,301 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2021-08-28 23:15:45,302 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 8, 12] total 17 [2021-08-28 23:15:45,302 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [817936903] [2021-08-28 23:15:45,302 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2021-08-28 23:15:45,302 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-28 23:15:45,302 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2021-08-28 23:15:45,303 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=197, Unknown=1, NotChecked=28, Total=272 [2021-08-28 23:15:45,303 INFO L87 Difference]: Start difference. First operand 42 states and 48 transitions. Second operand has 17 states, 17 states have (on average 2.823529411764706) internal successors, (48), 17 states have internal predecessors, (48), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-28 23:15:45,769 WARN L838 $PredicateComparison]: unable to prove that (and (<= 2 c_ULTIMATE.start_main_~i~0) (forall ((v_ULTIMATE.start_main_~i~0_72 Int)) (or (= (select (store (select |c_#memory_int| c_ULTIMATE.start_main_~a~0.base) (+ c_ULTIMATE.start_main_~a~0.offset (* v_ULTIMATE.start_main_~i~0_72 4)) 0) (+ c_ULTIMATE.start_main_~a~0.offset 8)) 0) (< v_ULTIMATE.start_main_~i~0_72 (+ c_ULTIMATE.start_main_~i~0 1)))) (<= c_ULTIMATE.start_main_~i~0 2) (= (select (select |c_#memory_int| c_ULTIMATE.start_main_~a~0.base) (+ c_ULTIMATE.start_main_~a~0.offset (* c_ULTIMATE.start_main_~i~0 4))) 0)) is different from false [2021-08-28 23:15:46,660 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-28 23:15:46,660 INFO L93 Difference]: Finished difference Result 63 states and 70 transitions. [2021-08-28 23:15:46,660 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-08-28 23:15:46,661 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 17 states have (on average 2.823529411764706) internal successors, (48), 17 states have internal predecessors, (48), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 28 [2021-08-28 23:15:46,661 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-28 23:15:46,661 INFO L225 Difference]: With dead ends: 63 [2021-08-28 23:15:46,661 INFO L226 Difference]: Without dead ends: 50 [2021-08-28 23:15:46,662 INFO L927 BasicCegarLoop]: 0 DeclaredPredicates, 77 GetRequests, 48 SyntacticMatches, 3 SemanticMatches, 26 ConstructedPredicates, 2 IntricatePredicates, 0 DeprecatedPredicates, 124 ImplicationChecksByTransitivity, 1768.19ms TimeCoverageRelationStatistics Valid=121, Invalid=535, Unknown=2, NotChecked=98, Total=756 [2021-08-28 23:15:46,662 INFO L928 BasicCegarLoop]: 0 mSDtfsCounter, 45 mSDsluCounter, 65 mSDsCounter, 0 mSdLazyCounter, 214 mSolverCounterSat, 37 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 96.26ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 45 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 344 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 1.84ms SdHoareTripleChecker+Time, 37 IncrementalHoareTripleChecker+Valid, 214 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 93 IncrementalHoareTripleChecker+Unchecked, 120.12ms IncrementalHoareTripleChecker+Time [2021-08-28 23:15:46,663 INFO L929 BasicCegarLoop]: SdHoareTripleChecker [45 Valid, 0 Invalid, 344 Unknown, 0 Unchecked, 1.84ms Time], IncrementalHoareTripleChecker [37 Valid, 214 Invalid, 0 Unknown, 93 Unchecked, 120.12ms Time] [2021-08-28 23:15:46,663 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 50 states. [2021-08-28 23:15:46,668 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 50 to 46. [2021-08-28 23:15:46,668 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 46 states, 45 states have (on average 1.1333333333333333) internal successors, (51), 45 states have internal predecessors, (51), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-28 23:15:46,669 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 46 states and 51 transitions. [2021-08-28 23:15:46,669 INFO L78 Accepts]: Start accepts. Automaton has 46 states and 51 transitions. Word has length 28 [2021-08-28 23:15:46,669 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-28 23:15:46,669 INFO L470 AbstractCegarLoop]: Abstraction has 46 states and 51 transitions. [2021-08-28 23:15:46,669 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 2.823529411764706) internal successors, (48), 17 states have internal predecessors, (48), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-28 23:15:46,670 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 51 transitions. [2021-08-28 23:15:46,671 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2021-08-28 23:15:46,671 INFO L505 BasicCegarLoop]: Found error trace [2021-08-28 23:15:46,671 INFO L513 BasicCegarLoop]: trace histogram [5, 5, 5, 4, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1] [2021-08-28 23:15:46,696 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2021-08-28 23:15:46,884 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-28 23:15:46,885 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-28 23:15:46,885 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-28 23:15:46,885 INFO L82 PathProgramCache]: Analyzing trace with hash -1532949366, now seen corresponding path program 5 times [2021-08-28 23:15:46,886 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-28 23:15:46,886 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1517741974] [2021-08-28 23:15:46,886 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-28 23:15:46,886 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-28 23:15:46,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-28 23:15:47,148 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 1 proven. 52 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-28 23:15:47,149 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-28 23:15:47,149 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1517741974] [2021-08-28 23:15:47,149 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1517741974] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-28 23:15:47,149 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [707633606] [2021-08-28 23:15:47,149 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2021-08-28 23:15:47,149 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-28 23:15:47,149 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-28 23:15:47,153 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-08-28 23:15:47,155 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2021-08-28 23:15:47,209 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 6 check-sat command(s) [2021-08-28 23:15:47,209 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-08-28 23:15:47,210 INFO L263 TraceCheckSpWp]: Trace formula consists of 122 conjuncts, 26 conjunts are in the unsatisfiable core [2021-08-28 23:15:47,212 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-28 23:15:47,300 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2021-08-28 23:15:47,375 INFO L354 Elim1Store]: treesize reduction 37, result has 22.9 percent of original size [2021-08-28 23:15:47,376 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 42 treesize of output 41 [2021-08-28 23:15:47,534 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 0 proven. 35 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2021-08-28 23:15:47,534 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-08-28 23:15:48,070 WARN L838 $PredicateComparison]: unable to prove that (forall ((v_ULTIMATE.start_main_~i~0_85 Int)) (or (< v_ULTIMATE.start_main_~i~0_85 (+ c_ULTIMATE.start_main_~i~0 1)) (= (select (store (select |c_#memory_int| c_ULTIMATE.start_main_~a~0.base) (+ (* v_ULTIMATE.start_main_~i~0_85 4) c_ULTIMATE.start_main_~a~0.offset) 0) (+ c_ULTIMATE.start_main_~a~0.offset 12)) 0))) is different from false [2021-08-28 23:15:48,076 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 27 [2021-08-28 23:15:48,079 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 54 treesize of output 50 [2021-08-28 23:15:48,158 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 1 proven. 48 refuted. 0 times theorem prover too weak. 0 trivial. 4 not checked. [2021-08-28 23:15:48,159 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [707633606] provided 0 perfect and 2 imperfect interpolant sequences [2021-08-28 23:15:48,159 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2021-08-28 23:15:48,159 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 9, 14] total 28 [2021-08-28 23:15:48,159 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [820921304] [2021-08-28 23:15:48,160 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 28 states [2021-08-28 23:15:48,160 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-28 23:15:48,160 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2021-08-28 23:15:48,161 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=104, Invalid=601, Unknown=1, NotChecked=50, Total=756 [2021-08-28 23:15:48,161 INFO L87 Difference]: Start difference. First operand 46 states and 51 transitions. Second operand has 28 states, 28 states have (on average 2.7857142857142856) internal successors, (78), 28 states have internal predecessors, (78), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-28 23:15:48,617 WARN L838 $PredicateComparison]: unable to prove that (and (= c_ULTIMATE.start_main_~a~0.offset 0) (< 11 (+ (* 4 c_ULTIMATE.start_main_~i~0) c_ULTIMATE.start_main_~a~0.offset)) (<= c_ULTIMATE.start_main_~i~0 3) (= (select (select |c_#memory_int| c_ULTIMATE.start_main_~a~0.base) (+ c_ULTIMATE.start_main_~a~0.offset (* c_ULTIMATE.start_main_~i~0 4))) 0) (forall ((v_ULTIMATE.start_main_~i~0_85 Int)) (or (< v_ULTIMATE.start_main_~i~0_85 (+ c_ULTIMATE.start_main_~i~0 1)) (= (select (store (select |c_#memory_int| c_ULTIMATE.start_main_~a~0.base) (+ (* v_ULTIMATE.start_main_~i~0_85 4) c_ULTIMATE.start_main_~a~0.offset) 0) (+ c_ULTIMATE.start_main_~a~0.offset 12)) 0)))) is different from false [2021-08-28 23:15:48,938 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-28 23:15:48,939 INFO L93 Difference]: Finished difference Result 71 states and 77 transitions. [2021-08-28 23:15:48,939 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-08-28 23:15:48,939 INFO L78 Accepts]: Start accepts. Automaton has has 28 states, 28 states have (on average 2.7857142857142856) internal successors, (78), 28 states have internal predecessors, (78), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 35 [2021-08-28 23:15:48,939 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-28 23:15:48,940 INFO L225 Difference]: With dead ends: 71 [2021-08-28 23:15:48,940 INFO L226 Difference]: Without dead ends: 54 [2021-08-28 23:15:48,940 INFO L927 BasicCegarLoop]: 0 DeclaredPredicates, 94 GetRequests, 54 SyntacticMatches, 2 SemanticMatches, 38 ConstructedPredicates, 2 IntricatePredicates, 0 DeprecatedPredicates, 323 ImplicationChecksByTransitivity, 1232.64ms TimeCoverageRelationStatistics Valid=216, Invalid=1196, Unknown=2, NotChecked=146, Total=1560 [2021-08-28 23:15:48,941 INFO L928 BasicCegarLoop]: 0 mSDtfsCounter, 43 mSDsluCounter, 120 mSDsCounter, 0 mSdLazyCounter, 425 mSolverCounterSat, 48 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 168.53ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 43 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 567 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 2.29ms SdHoareTripleChecker+Time, 48 IncrementalHoareTripleChecker+Valid, 425 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 94 IncrementalHoareTripleChecker+Unchecked, 202.71ms IncrementalHoareTripleChecker+Time [2021-08-28 23:15:48,941 INFO L929 BasicCegarLoop]: SdHoareTripleChecker [43 Valid, 0 Invalid, 567 Unknown, 0 Unchecked, 2.29ms Time], IncrementalHoareTripleChecker [48 Valid, 425 Invalid, 0 Unknown, 94 Unchecked, 202.71ms Time] [2021-08-28 23:15:48,942 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 54 states. [2021-08-28 23:15:48,946 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 54 to 50. [2021-08-28 23:15:48,946 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 50 states, 49 states have (on average 1.1020408163265305) internal successors, (54), 49 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-28 23:15:48,947 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 50 states and 54 transitions. [2021-08-28 23:15:48,947 INFO L78 Accepts]: Start accepts. Automaton has 50 states and 54 transitions. Word has length 35 [2021-08-28 23:15:48,947 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-28 23:15:48,947 INFO L470 AbstractCegarLoop]: Abstraction has 50 states and 54 transitions. [2021-08-28 23:15:48,947 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 28 states, 28 states have (on average 2.7857142857142856) internal successors, (78), 28 states have internal predecessors, (78), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-28 23:15:48,947 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 54 transitions. [2021-08-28 23:15:48,948 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2021-08-28 23:15:48,948 INFO L505 BasicCegarLoop]: Found error trace [2021-08-28 23:15:48,948 INFO L513 BasicCegarLoop]: trace histogram [6, 6, 6, 5, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1] [2021-08-28 23:15:48,973 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2021-08-28 23:15:49,172 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2021-08-28 23:15:49,173 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-28 23:15:49,173 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-28 23:15:49,173 INFO L82 PathProgramCache]: Analyzing trace with hash -239326709, now seen corresponding path program 6 times [2021-08-28 23:15:49,174 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-28 23:15:49,174 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1916740793] [2021-08-28 23:15:49,174 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-28 23:15:49,174 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-28 23:15:49,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-28 23:15:49,356 INFO L134 CoverageAnalysis]: Checked inductivity of 83 backedges. 1 proven. 82 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-28 23:15:49,357 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-28 23:15:49,357 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1916740793] [2021-08-28 23:15:49,357 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1916740793] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-28 23:15:49,357 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1993005735] [2021-08-28 23:15:49,357 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2021-08-28 23:15:49,357 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-28 23:15:49,357 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-28 23:15:49,358 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-08-28 23:15:49,359 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2021-08-28 23:15:49,412 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 7 check-sat command(s) [2021-08-28 23:15:49,412 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-08-28 23:15:49,413 INFO L263 TraceCheckSpWp]: Trace formula consists of 138 conjuncts, 28 conjunts are in the unsatisfiable core [2021-08-28 23:15:49,415 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-28 23:15:49,481 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2021-08-28 23:15:49,541 INFO L354 Elim1Store]: treesize reduction 37, result has 22.9 percent of original size [2021-08-28 23:15:49,542 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 38 treesize of output 37 [2021-08-28 23:15:49,693 INFO L134 CoverageAnalysis]: Checked inductivity of 83 backedges. 0 proven. 51 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2021-08-28 23:15:49,693 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-08-28 23:15:50,119 WARN L838 $PredicateComparison]: unable to prove that (forall ((v_ULTIMATE.start_main_~i~0_101 Int)) (or (< v_ULTIMATE.start_main_~i~0_101 (+ c_ULTIMATE.start_main_~i~0 1)) (= (select (store (select |c_#memory_int| c_ULTIMATE.start_main_~a~0.base) (+ c_ULTIMATE.start_main_~a~0.offset (* v_ULTIMATE.start_main_~i~0_101 4)) 0) (+ c_ULTIMATE.start_main_~a~0.offset 16)) 0))) is different from false [2021-08-28 23:15:50,133 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 27 [2021-08-28 23:15:50,135 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 54 treesize of output 50 [2021-08-28 23:15:50,209 INFO L134 CoverageAnalysis]: Checked inductivity of 83 backedges. 1 proven. 77 refuted. 0 times theorem prover too weak. 0 trivial. 5 not checked. [2021-08-28 23:15:50,209 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1993005735] provided 0 perfect and 2 imperfect interpolant sequences [2021-08-28 23:15:50,210 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2021-08-28 23:15:50,210 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 10, 16] total 21 [2021-08-28 23:15:50,210 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [638295898] [2021-08-28 23:15:50,210 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2021-08-28 23:15:50,210 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-28 23:15:50,211 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2021-08-28 23:15:50,211 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=54, Invalid=329, Unknown=1, NotChecked=36, Total=420 [2021-08-28 23:15:50,211 INFO L87 Difference]: Start difference. First operand 50 states and 54 transitions. Second operand has 21 states, 21 states have (on average 2.9523809523809526) internal successors, (62), 21 states have internal predecessors, (62), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-28 23:15:50,749 WARN L838 $PredicateComparison]: unable to prove that (and (<= 4 c_ULTIMATE.start_main_~i~0) (<= c_ULTIMATE.start_main_~i~0 4) (forall ((v_ULTIMATE.start_main_~i~0_101 Int)) (or (< v_ULTIMATE.start_main_~i~0_101 (+ c_ULTIMATE.start_main_~i~0 1)) (= (select (store (select |c_#memory_int| c_ULTIMATE.start_main_~a~0.base) (+ c_ULTIMATE.start_main_~a~0.offset (* v_ULTIMATE.start_main_~i~0_101 4)) 0) (+ c_ULTIMATE.start_main_~a~0.offset 16)) 0))) (= (select (select |c_#memory_int| c_ULTIMATE.start_main_~a~0.base) (+ c_ULTIMATE.start_main_~a~0.offset (* c_ULTIMATE.start_main_~i~0 4))) 0)) is different from false [2021-08-28 23:15:51,082 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-28 23:15:51,083 INFO L93 Difference]: Finished difference Result 105 states and 112 transitions. [2021-08-28 23:15:51,083 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-08-28 23:15:51,083 INFO L78 Accepts]: Start accepts. Automaton has has 21 states, 21 states have (on average 2.9523809523809526) internal successors, (62), 21 states have internal predecessors, (62), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 42 [2021-08-28 23:15:51,083 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-28 23:15:51,084 INFO L225 Difference]: With dead ends: 105 [2021-08-28 23:15:51,084 INFO L226 Difference]: Without dead ends: 84 [2021-08-28 23:15:51,085 INFO L927 BasicCegarLoop]: 0 DeclaredPredicates, 117 GetRequests, 76 SyntacticMatches, 3 SemanticMatches, 38 ConstructedPredicates, 2 IntricatePredicates, 0 DeprecatedPredicates, 282 ImplicationChecksByTransitivity, 1112.96ms TimeCoverageRelationStatistics Valid=167, Invalid=1245, Unknown=2, NotChecked=146, Total=1560 [2021-08-28 23:15:51,085 INFO L928 BasicCegarLoop]: 0 mSDtfsCounter, 39 mSDsluCounter, 176 mSDsCounter, 0 mSdLazyCounter, 531 mSolverCounterSat, 43 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 189.44ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 39 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 692 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 2.29ms SdHoareTripleChecker+Time, 43 IncrementalHoareTripleChecker+Valid, 531 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 118 IncrementalHoareTripleChecker+Unchecked, 237.31ms IncrementalHoareTripleChecker+Time [2021-08-28 23:15:51,085 INFO L929 BasicCegarLoop]: SdHoareTripleChecker [39 Valid, 0 Invalid, 692 Unknown, 0 Unchecked, 2.29ms Time], IncrementalHoareTripleChecker [43 Valid, 531 Invalid, 0 Unknown, 118 Unchecked, 237.31ms Time] [2021-08-28 23:15:51,086 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 84 states. [2021-08-28 23:15:51,091 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 84 to 58. [2021-08-28 23:15:51,091 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 58 states, 57 states have (on average 1.105263157894737) internal successors, (63), 57 states have internal predecessors, (63), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-28 23:15:51,092 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 58 states and 63 transitions. [2021-08-28 23:15:51,092 INFO L78 Accepts]: Start accepts. Automaton has 58 states and 63 transitions. Word has length 42 [2021-08-28 23:15:51,092 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-28 23:15:51,092 INFO L470 AbstractCegarLoop]: Abstraction has 58 states and 63 transitions. [2021-08-28 23:15:51,092 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 21 states have (on average 2.9523809523809526) internal successors, (62), 21 states have internal predecessors, (62), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-28 23:15:51,093 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 63 transitions. [2021-08-28 23:15:51,093 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2021-08-28 23:15:51,093 INFO L505 BasicCegarLoop]: Found error trace [2021-08-28 23:15:51,093 INFO L513 BasicCegarLoop]: trace histogram [7, 7, 7, 6, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1] [2021-08-28 23:15:51,113 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2021-08-28 23:15:51,304 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-28 23:15:51,305 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-28 23:15:51,305 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-28 23:15:51,305 INFO L82 PathProgramCache]: Analyzing trace with hash -919248234, now seen corresponding path program 7 times [2021-08-28 23:15:51,306 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-28 23:15:51,306 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [916355663] [2021-08-28 23:15:51,306 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-28 23:15:51,306 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-28 23:15:51,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-28 23:15:51,523 INFO L134 CoverageAnalysis]: Checked inductivity of 120 backedges. 1 proven. 119 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-28 23:15:51,523 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-28 23:15:51,523 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [916355663] [2021-08-28 23:15:51,524 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [916355663] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-28 23:15:51,524 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [704232760] [2021-08-28 23:15:51,524 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2021-08-28 23:15:51,524 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-28 23:15:51,524 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-28 23:15:51,525 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-08-28 23:15:51,526 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2021-08-28 23:15:51,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-28 23:15:51,571 INFO L263 TraceCheckSpWp]: Trace formula consists of 154 conjuncts, 32 conjunts are in the unsatisfiable core [2021-08-28 23:15:51,572 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-28 23:15:51,655 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2021-08-28 23:15:51,713 INFO L354 Elim1Store]: treesize reduction 37, result has 22.9 percent of original size [2021-08-28 23:15:51,714 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 38 treesize of output 37 [2021-08-28 23:15:51,885 INFO L134 CoverageAnalysis]: Checked inductivity of 120 backedges. 0 proven. 70 refuted. 0 times theorem prover too weak. 50 trivial. 0 not checked. [2021-08-28 23:15:51,885 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-08-28 23:15:52,401 WARN L838 $PredicateComparison]: unable to prove that (forall ((v_ULTIMATE.start_main_~i~0_120 Int)) (or (= (select (store (select |c_#memory_int| c_ULTIMATE.start_main_~a~0.base) (+ (* v_ULTIMATE.start_main_~i~0_120 4) c_ULTIMATE.start_main_~a~0.offset) 0) (+ c_ULTIMATE.start_main_~a~0.offset 20)) 0) (< v_ULTIMATE.start_main_~i~0_120 (+ c_ULTIMATE.start_main_~i~0 1)))) is different from false [2021-08-28 23:15:52,410 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 27 [2021-08-28 23:15:52,411 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 54 treesize of output 50 [2021-08-28 23:15:52,485 INFO L134 CoverageAnalysis]: Checked inductivity of 120 backedges. 1 proven. 113 refuted. 0 times theorem prover too weak. 0 trivial. 6 not checked. [2021-08-28 23:15:52,485 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [704232760] provided 0 perfect and 2 imperfect interpolant sequences [2021-08-28 23:15:52,485 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2021-08-28 23:15:52,486 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18, 11, 18] total 23 [2021-08-28 23:15:52,486 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1920745233] [2021-08-28 23:15:52,486 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2021-08-28 23:15:52,486 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-28 23:15:52,487 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2021-08-28 23:15:52,487 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=58, Invalid=407, Unknown=1, NotChecked=40, Total=506 [2021-08-28 23:15:52,487 INFO L87 Difference]: Start difference. First operand 58 states and 63 transitions. Second operand has 23 states, 23 states have (on average 3.0) internal successors, (69), 23 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-28 23:15:52,967 WARN L838 $PredicateComparison]: unable to prove that (and (<= 5 c_ULTIMATE.start_main_~i~0) (<= c_ULTIMATE.start_main_~i~0 5) (= (select (select |c_#memory_int| c_ULTIMATE.start_main_~a~0.base) (+ c_ULTIMATE.start_main_~a~0.offset (* c_ULTIMATE.start_main_~i~0 4))) 0) (forall ((v_ULTIMATE.start_main_~i~0_120 Int)) (or (= (select (store (select |c_#memory_int| c_ULTIMATE.start_main_~a~0.base) (+ (* v_ULTIMATE.start_main_~i~0_120 4) c_ULTIMATE.start_main_~a~0.offset) 0) (+ c_ULTIMATE.start_main_~a~0.offset 20)) 0) (< v_ULTIMATE.start_main_~i~0_120 (+ c_ULTIMATE.start_main_~i~0 1))))) is different from false [2021-08-28 23:15:54,592 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-28 23:15:54,592 INFO L93 Difference]: Finished difference Result 111 states and 117 transitions. [2021-08-28 23:15:54,592 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-08-28 23:15:54,593 INFO L78 Accepts]: Start accepts. Automaton has has 23 states, 23 states have (on average 3.0) internal successors, (69), 23 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 49 [2021-08-28 23:15:54,593 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-28 23:15:54,593 INFO L225 Difference]: With dead ends: 111 [2021-08-28 23:15:54,593 INFO L226 Difference]: Without dead ends: 86 [2021-08-28 23:15:54,594 INFO L927 BasicCegarLoop]: 0 DeclaredPredicates, 134 GetRequests, 90 SyntacticMatches, 3 SemanticMatches, 41 ConstructedPredicates, 2 IntricatePredicates, 0 DeprecatedPredicates, 298 ImplicationChecksByTransitivity, 2425.34ms TimeCoverageRelationStatistics Valid=190, Invalid=1456, Unknown=2, NotChecked=158, Total=1806 [2021-08-28 23:15:54,595 INFO L928 BasicCegarLoop]: 0 mSDtfsCounter, 75 mSDsluCounter, 191 mSDsCounter, 0 mSdLazyCounter, 658 mSolverCounterSat, 64 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 227.04ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 75 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 883 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 2.50ms SdHoareTripleChecker+Time, 64 IncrementalHoareTripleChecker+Valid, 658 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 161 IncrementalHoareTripleChecker+Unchecked, 290.75ms IncrementalHoareTripleChecker+Time [2021-08-28 23:15:54,595 INFO L929 BasicCegarLoop]: SdHoareTripleChecker [75 Valid, 0 Invalid, 883 Unknown, 0 Unchecked, 2.50ms Time], IncrementalHoareTripleChecker [64 Valid, 658 Invalid, 0 Unknown, 161 Unchecked, 290.75ms Time] [2021-08-28 23:15:54,595 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 86 states. [2021-08-28 23:15:54,601 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 86 to 80. [2021-08-28 23:15:54,602 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 80 states, 79 states have (on average 1.0759493670886076) internal successors, (85), 79 states have internal predecessors, (85), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-28 23:15:54,602 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 80 states and 85 transitions. [2021-08-28 23:15:54,603 INFO L78 Accepts]: Start accepts. Automaton has 80 states and 85 transitions. Word has length 49 [2021-08-28 23:15:54,603 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-28 23:15:54,603 INFO L470 AbstractCegarLoop]: Abstraction has 80 states and 85 transitions. [2021-08-28 23:15:54,603 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 23 states, 23 states have (on average 3.0) internal successors, (69), 23 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-28 23:15:54,603 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 85 transitions. [2021-08-28 23:15:54,604 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2021-08-28 23:15:54,604 INFO L505 BasicCegarLoop]: Found error trace [2021-08-28 23:15:54,604 INFO L513 BasicCegarLoop]: trace histogram [9, 9, 8, 5, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-28 23:15:54,621 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2021-08-28 23:15:54,808 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2021-08-28 23:15:54,809 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-28 23:15:54,809 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-28 23:15:54,809 INFO L82 PathProgramCache]: Analyzing trace with hash -218572098, now seen corresponding path program 2 times [2021-08-28 23:15:54,809 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-28 23:15:54,810 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [408950461] [2021-08-28 23:15:54,810 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-28 23:15:54,810 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-28 23:15:54,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-28 23:15:54,883 INFO L134 CoverageAnalysis]: Checked inductivity of 149 backedges. 17 proven. 100 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2021-08-28 23:15:54,884 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-28 23:15:54,884 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [408950461] [2021-08-28 23:15:54,884 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [408950461] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-28 23:15:54,884 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2122708786] [2021-08-28 23:15:54,884 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-08-28 23:15:54,884 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-28 23:15:54,884 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-28 23:15:54,885 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-08-28 23:15:54,907 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2021-08-28 23:15:54,933 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-08-28 23:15:54,933 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-08-28 23:15:54,934 INFO L263 TraceCheckSpWp]: Trace formula consists of 153 conjuncts, 10 conjunts are in the unsatisfiable core [2021-08-28 23:15:54,936 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-28 23:15:55,019 INFO L134 CoverageAnalysis]: Checked inductivity of 149 backedges. 17 proven. 100 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2021-08-28 23:15:55,019 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-08-28 23:15:55,279 INFO L134 CoverageAnalysis]: Checked inductivity of 149 backedges. 17 proven. 100 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2021-08-28 23:15:55,280 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2122708786] provided 0 perfect and 2 imperfect interpolant sequences [2021-08-28 23:15:55,280 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2021-08-28 23:15:55,280 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11, 11] total 21 [2021-08-28 23:15:55,280 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [684565588] [2021-08-28 23:15:55,280 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2021-08-28 23:15:55,281 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-28 23:15:55,281 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2021-08-28 23:15:55,281 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=210, Invalid=210, Unknown=0, NotChecked=0, Total=420 [2021-08-28 23:15:55,281 INFO L87 Difference]: Start difference. First operand 80 states and 85 transitions. Second operand has 21 states, 21 states have (on average 3.2857142857142856) internal successors, (69), 21 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-28 23:15:55,532 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-28 23:15:55,532 INFO L93 Difference]: Finished difference Result 229 states and 256 transitions. [2021-08-28 23:15:55,532 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-08-28 23:15:55,533 INFO L78 Accepts]: Start accepts. Automaton has has 21 states, 21 states have (on average 3.2857142857142856) internal successors, (69), 21 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 51 [2021-08-28 23:15:55,533 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-28 23:15:55,534 INFO L225 Difference]: With dead ends: 229 [2021-08-28 23:15:55,534 INFO L226 Difference]: Without dead ends: 197 [2021-08-28 23:15:55,534 INFO L927 BasicCegarLoop]: 0 DeclaredPredicates, 111 GetRequests, 92 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 32 ImplicationChecksByTransitivity, 153.52ms TimeCoverageRelationStatistics Valid=210, Invalid=210, Unknown=0, NotChecked=0, Total=420 [2021-08-28 23:15:55,534 INFO L928 BasicCegarLoop]: 0 mSDtfsCounter, 271 mSDsluCounter, 73 mSDsCounter, 0 mSdLazyCounter, 198 mSolverCounterSat, 94 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 178.60ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 271 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 292 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 2.00ms SdHoareTripleChecker+Time, 94 IncrementalHoareTripleChecker+Valid, 198 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 216.99ms IncrementalHoareTripleChecker+Time [2021-08-28 23:15:55,534 INFO L929 BasicCegarLoop]: SdHoareTripleChecker [271 Valid, 0 Invalid, 292 Unknown, 0 Unchecked, 2.00ms Time], IncrementalHoareTripleChecker [94 Valid, 198 Invalid, 0 Unknown, 0 Unchecked, 216.99ms Time] [2021-08-28 23:15:55,535 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 197 states. [2021-08-28 23:15:55,543 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 197 to 110. [2021-08-28 23:15:55,544 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 110 states, 109 states have (on average 1.146788990825688) internal successors, (125), 109 states have internal predecessors, (125), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-28 23:15:55,544 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 110 states and 125 transitions. [2021-08-28 23:15:55,544 INFO L78 Accepts]: Start accepts. Automaton has 110 states and 125 transitions. Word has length 51 [2021-08-28 23:15:55,545 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-28 23:15:55,545 INFO L470 AbstractCegarLoop]: Abstraction has 110 states and 125 transitions. [2021-08-28 23:15:55,545 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 21 states have (on average 3.2857142857142856) internal successors, (69), 21 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-28 23:15:55,545 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 125 transitions. [2021-08-28 23:15:55,546 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2021-08-28 23:15:55,546 INFO L505 BasicCegarLoop]: Found error trace [2021-08-28 23:15:55,546 INFO L513 BasicCegarLoop]: trace histogram [8, 8, 8, 7, 6, 6, 6, 1, 1, 1, 1, 1, 1, 1] [2021-08-28 23:15:55,563 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Forceful destruction successful, exit code 0 [2021-08-28 23:15:55,753 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2021-08-28 23:15:55,753 INFO L402 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-28 23:15:55,753 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-28 23:15:55,753 INFO L82 PathProgramCache]: Analyzing trace with hash 2083482327, now seen corresponding path program 8 times [2021-08-28 23:15:55,753 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-28 23:15:55,754 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1128714526] [2021-08-28 23:15:55,754 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-28 23:15:55,754 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-28 23:15:55,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-28 23:15:55,984 INFO L134 CoverageAnalysis]: Checked inductivity of 164 backedges. 1 proven. 163 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-28 23:15:55,984 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-28 23:15:55,985 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1128714526] [2021-08-28 23:15:55,985 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1128714526] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-28 23:15:55,985 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1682633586] [2021-08-28 23:15:55,985 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-08-28 23:15:55,985 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-28 23:15:55,985 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-28 23:15:55,986 INFO L229 MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-08-28 23:15:55,987 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2021-08-28 23:15:56,026 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-08-28 23:15:56,027 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-08-28 23:15:56,028 INFO L263 TraceCheckSpWp]: Trace formula consists of 170 conjuncts, 36 conjunts are in the unsatisfiable core [2021-08-28 23:15:56,030 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-28 23:15:56,126 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2021-08-28 23:15:56,189 INFO L354 Elim1Store]: treesize reduction 37, result has 22.9 percent of original size [2021-08-28 23:15:56,189 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 38 treesize of output 37 [2021-08-28 23:15:56,358 INFO L134 CoverageAnalysis]: Checked inductivity of 164 backedges. 0 proven. 92 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2021-08-28 23:15:56,358 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-08-28 23:15:56,863 WARN L838 $PredicateComparison]: unable to prove that (forall ((v_ULTIMATE.start_main_~i~0_165 Int)) (or (= (select (store (select |c_#memory_int| c_ULTIMATE.start_main_~a~0.base) (+ (* v_ULTIMATE.start_main_~i~0_165 4) c_ULTIMATE.start_main_~a~0.offset) 0) (+ c_ULTIMATE.start_main_~a~0.offset 24)) 0) (< v_ULTIMATE.start_main_~i~0_165 (+ c_ULTIMATE.start_main_~i~0 1)))) is different from false [2021-08-28 23:15:56,869 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 27 [2021-08-28 23:15:56,871 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 54 treesize of output 50 [2021-08-28 23:15:56,954 INFO L134 CoverageAnalysis]: Checked inductivity of 164 backedges. 1 proven. 156 refuted. 0 times theorem prover too weak. 0 trivial. 7 not checked. [2021-08-28 23:15:56,954 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1682633586] provided 0 perfect and 2 imperfect interpolant sequences [2021-08-28 23:15:56,954 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2021-08-28 23:15:56,954 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [20, 12, 20] total 25 [2021-08-28 23:15:56,954 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1459355874] [2021-08-28 23:15:56,954 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2021-08-28 23:15:56,955 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-28 23:15:56,955 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2021-08-28 23:15:56,955 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=62, Invalid=493, Unknown=1, NotChecked=44, Total=600 [2021-08-28 23:15:56,955 INFO L87 Difference]: Start difference. First operand 110 states and 125 transitions. Second operand has 25 states, 25 states have (on average 3.04) internal successors, (76), 25 states have internal predecessors, (76), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-28 23:15:57,401 WARN L838 $PredicateComparison]: unable to prove that (and (<= 6 c_ULTIMATE.start_main_~i~0) (<= c_ULTIMATE.start_main_~i~0 6) (forall ((v_ULTIMATE.start_main_~i~0_165 Int)) (or (= (select (store (select |c_#memory_int| c_ULTIMATE.start_main_~a~0.base) (+ (* v_ULTIMATE.start_main_~i~0_165 4) c_ULTIMATE.start_main_~a~0.offset) 0) (+ c_ULTIMATE.start_main_~a~0.offset 24)) 0) (< v_ULTIMATE.start_main_~i~0_165 (+ c_ULTIMATE.start_main_~i~0 1)))) (= (select (select |c_#memory_int| c_ULTIMATE.start_main_~a~0.base) (+ c_ULTIMATE.start_main_~a~0.offset (* c_ULTIMATE.start_main_~i~0 4))) 0)) is different from false [2021-08-28 23:15:58,252 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-28 23:15:58,252 INFO L93 Difference]: Finished difference Result 154 states and 169 transitions. [2021-08-28 23:15:58,252 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2021-08-28 23:15:58,253 INFO L78 Accepts]: Start accepts. Automaton has has 25 states, 25 states have (on average 3.04) internal successors, (76), 25 states have internal predecessors, (76), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 56 [2021-08-28 23:15:58,253 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-28 23:15:58,253 INFO L225 Difference]: With dead ends: 154 [2021-08-28 23:15:58,254 INFO L226 Difference]: Without dead ends: 125 [2021-08-28 23:15:58,254 INFO L927 BasicCegarLoop]: 0 DeclaredPredicates, 150 GetRequests, 104 SyntacticMatches, 3 SemanticMatches, 43 ConstructedPredicates, 2 IntricatePredicates, 0 DeprecatedPredicates, 309 ImplicationChecksByTransitivity, 1581.40ms TimeCoverageRelationStatistics Valid=182, Invalid=1629, Unknown=3, NotChecked=166, Total=1980 [2021-08-28 23:15:58,255 INFO L928 BasicCegarLoop]: 0 mSDtfsCounter, 39 mSDsluCounter, 268 mSDsCounter, 0 mSdLazyCounter, 873 mSolverCounterSat, 37 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 249.33ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 39 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 1102 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 2.87ms SdHoareTripleChecker+Time, 37 IncrementalHoareTripleChecker+Valid, 873 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 192 IncrementalHoareTripleChecker+Unchecked, 307.15ms IncrementalHoareTripleChecker+Time [2021-08-28 23:15:58,255 INFO L929 BasicCegarLoop]: SdHoareTripleChecker [39 Valid, 0 Invalid, 1102 Unknown, 0 Unchecked, 2.87ms Time], IncrementalHoareTripleChecker [37 Valid, 873 Invalid, 0 Unknown, 192 Unchecked, 307.15ms Time] [2021-08-28 23:15:58,255 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 125 states. [2021-08-28 23:15:58,263 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 125 to 114. [2021-08-28 23:15:58,263 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 114 states, 113 states have (on average 1.1327433628318584) internal successors, (128), 113 states have internal predecessors, (128), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-28 23:15:58,264 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 114 states and 128 transitions. [2021-08-28 23:15:58,264 INFO L78 Accepts]: Start accepts. Automaton has 114 states and 128 transitions. Word has length 56 [2021-08-28 23:15:58,264 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-28 23:15:58,264 INFO L470 AbstractCegarLoop]: Abstraction has 114 states and 128 transitions. [2021-08-28 23:15:58,264 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 25 states have (on average 3.04) internal successors, (76), 25 states have internal predecessors, (76), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-28 23:15:58,265 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 128 transitions. [2021-08-28 23:15:58,265 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2021-08-28 23:15:58,265 INFO L505 BasicCegarLoop]: Found error trace [2021-08-28 23:15:58,265 INFO L513 BasicCegarLoop]: trace histogram [9, 9, 9, 8, 7, 7, 7, 1, 1, 1, 1, 1, 1, 1] [2021-08-28 23:15:58,287 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Forceful destruction successful, exit code 0 [2021-08-28 23:15:58,480 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2021-08-28 23:15:58,481 INFO L402 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-28 23:15:58,481 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-28 23:15:58,481 INFO L82 PathProgramCache]: Analyzing trace with hash -481676126, now seen corresponding path program 9 times [2021-08-28 23:15:58,481 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-28 23:15:58,481 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [858130379] [2021-08-28 23:15:58,482 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-28 23:15:58,482 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-28 23:15:58,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-28 23:15:58,822 INFO L134 CoverageAnalysis]: Checked inductivity of 215 backedges. 1 proven. 214 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-28 23:15:58,822 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-28 23:15:58,823 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [858130379] [2021-08-28 23:15:58,823 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [858130379] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-28 23:15:58,823 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [90578058] [2021-08-28 23:15:58,823 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2021-08-28 23:15:58,823 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-28 23:15:58,823 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-28 23:15:58,825 INFO L229 MonitoredProcess]: Starting monitored process 14 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-08-28 23:15:58,855 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2021-08-28 23:15:59,001 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 10 check-sat command(s) [2021-08-28 23:15:59,001 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-08-28 23:15:59,003 INFO L263 TraceCheckSpWp]: Trace formula consists of 186 conjuncts, 27 conjunts are in the unsatisfiable core [2021-08-28 23:15:59,005 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-28 23:15:59,180 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2021-08-28 23:15:59,264 INFO L354 Elim1Store]: treesize reduction 37, result has 22.9 percent of original size [2021-08-28 23:15:59,264 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 35 treesize of output 34 [2021-08-28 23:16:02,328 INFO L354 Elim1Store]: treesize reduction 46, result has 6.1 percent of original size [2021-08-28 23:16:02,329 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 74 treesize of output 45 [2021-08-28 23:16:02,354 INFO L134 CoverageAnalysis]: Checked inductivity of 215 backedges. 91 proven. 124 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-28 23:16:02,354 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-08-28 23:16:09,032 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 37 [2021-08-28 23:16:09,034 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 72 treesize of output 66 [2021-08-28 23:16:09,079 INFO L134 CoverageAnalysis]: Checked inductivity of 215 backedges. 86 proven. 126 refuted. 3 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-28 23:16:09,079 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [90578058] provided 0 perfect and 2 imperfect interpolant sequences [2021-08-28 23:16:09,080 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2021-08-28 23:16:09,080 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [22, 24, 24] total 57 [2021-08-28 23:16:09,080 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1516892856] [2021-08-28 23:16:09,081 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 57 states [2021-08-28 23:16:09,081 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-28 23:16:09,081 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 57 interpolants. [2021-08-28 23:16:09,082 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=399, Invalid=2783, Unknown=10, NotChecked=0, Total=3192 [2021-08-28 23:16:09,082 INFO L87 Difference]: Start difference. First operand 114 states and 128 transitions. Second operand has 57 states, 57 states have (on average 2.789473684210526) internal successors, (159), 57 states have internal predecessors, (159), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-28 23:16:19,855 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-28 23:16:19,855 INFO L93 Difference]: Finished difference Result 161 states and 176 transitions. [2021-08-28 23:16:19,856 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2021-08-28 23:16:19,856 INFO L78 Accepts]: Start accepts. Automaton has has 57 states, 57 states have (on average 2.789473684210526) internal successors, (159), 57 states have internal predecessors, (159), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 63 [2021-08-28 23:16:19,856 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-28 23:16:19,857 INFO L225 Difference]: With dead ends: 161 [2021-08-28 23:16:19,857 INFO L226 Difference]: Without dead ends: 91 [2021-08-28 23:16:19,859 INFO L927 BasicCegarLoop]: 0 DeclaredPredicates, 209 GetRequests, 111 SyntacticMatches, 1 SemanticMatches, 97 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2192 ImplicationChecksByTransitivity, 19330.00ms TimeCoverageRelationStatistics Valid=994, Invalid=8689, Unknown=19, NotChecked=0, Total=9702 [2021-08-28 23:16:19,860 INFO L928 BasicCegarLoop]: 0 mSDtfsCounter, 3 mSDsluCounter, 51 mSDsCounter, 0 mSdLazyCounter, 230 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 71.31ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 395 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 1.02ms SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 230 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 163 IncrementalHoareTripleChecker+Unchecked, 85.27ms IncrementalHoareTripleChecker+Time [2021-08-28 23:16:19,860 INFO L929 BasicCegarLoop]: SdHoareTripleChecker [3 Valid, 0 Invalid, 395 Unknown, 0 Unchecked, 1.02ms Time], IncrementalHoareTripleChecker [2 Valid, 230 Invalid, 0 Unknown, 163 Unchecked, 85.27ms Time] [2021-08-28 23:16:19,861 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 91 states. [2021-08-28 23:16:19,867 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 91 to 91. [2021-08-28 23:16:19,867 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 91 states, 90 states have (on average 1.0555555555555556) internal successors, (95), 90 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-28 23:16:19,868 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 91 states and 95 transitions. [2021-08-28 23:16:19,868 INFO L78 Accepts]: Start accepts. Automaton has 91 states and 95 transitions. Word has length 63 [2021-08-28 23:16:19,868 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-28 23:16:19,868 INFO L470 AbstractCegarLoop]: Abstraction has 91 states and 95 transitions. [2021-08-28 23:16:19,869 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 57 states, 57 states have (on average 2.789473684210526) internal successors, (159), 57 states have internal predecessors, (159), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-28 23:16:19,869 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 95 transitions. [2021-08-28 23:16:19,869 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2021-08-28 23:16:19,870 INFO L505 BasicCegarLoop]: Found error trace [2021-08-28 23:16:19,870 INFO L513 BasicCegarLoop]: trace histogram [19, 19, 18, 5, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-28 23:16:19,888 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Forceful destruction successful, exit code 0 [2021-08-28 23:16:20,076 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2021-08-28 23:16:20,077 INFO L402 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-28 23:16:20,077 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-28 23:16:20,077 INFO L82 PathProgramCache]: Analyzing trace with hash -202286242, now seen corresponding path program 3 times [2021-08-28 23:16:20,077 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-28 23:16:20,078 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1438646555] [2021-08-28 23:16:20,078 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-28 23:16:20,078 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-28 23:16:20,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-28 23:16:20,271 INFO L134 CoverageAnalysis]: Checked inductivity of 564 backedges. 37 proven. 495 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2021-08-28 23:16:20,272 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-28 23:16:20,272 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1438646555] [2021-08-28 23:16:20,272 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1438646555] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-28 23:16:20,272 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [356200871] [2021-08-28 23:16:20,272 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2021-08-28 23:16:20,272 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-28 23:16:20,272 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-28 23:16:20,274 INFO L229 MonitoredProcess]: Starting monitored process 15 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-08-28 23:16:20,274 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2021-08-28 23:16:20,307 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2021-08-28 23:16:20,307 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-08-28 23:16:20,308 INFO L263 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 4 conjunts are in the unsatisfiable core [2021-08-28 23:16:20,310 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-28 23:16:20,503 INFO L134 CoverageAnalysis]: Checked inductivity of 564 backedges. 37 proven. 18 refuted. 0 times theorem prover too weak. 509 trivial. 0 not checked. [2021-08-28 23:16:20,503 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-08-28 23:16:20,724 INFO L134 CoverageAnalysis]: Checked inductivity of 564 backedges. 37 proven. 18 refuted. 0 times theorem prover too weak. 509 trivial. 0 not checked. [2021-08-28 23:16:20,724 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [356200871] provided 0 perfect and 2 imperfect interpolant sequences [2021-08-28 23:16:20,724 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2021-08-28 23:16:20,724 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [21, 4, 4] total 27 [2021-08-28 23:16:20,724 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1123653989] [2021-08-28 23:16:20,725 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2021-08-28 23:16:20,725 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-28 23:16:20,725 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2021-08-28 23:16:20,725 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=263, Invalid=439, Unknown=0, NotChecked=0, Total=702 [2021-08-28 23:16:20,726 INFO L87 Difference]: Start difference. First operand 91 states and 95 transitions. Second operand has 27 states, 27 states have (on average 3.111111111111111) internal successors, (84), 27 states have internal predecessors, (84), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-28 23:16:21,091 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-28 23:16:21,091 INFO L93 Difference]: Finished difference Result 96 states and 101 transitions. [2021-08-28 23:16:21,091 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-08-28 23:16:21,091 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 27 states have (on average 3.111111111111111) internal successors, (84), 27 states have internal predecessors, (84), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 81 [2021-08-28 23:16:21,091 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-28 23:16:21,092 INFO L225 Difference]: With dead ends: 96 [2021-08-28 23:16:21,092 INFO L226 Difference]: Without dead ends: 0 [2021-08-28 23:16:21,093 INFO L927 BasicCegarLoop]: 0 DeclaredPredicates, 203 GetRequests, 156 SyntacticMatches, 0 SemanticMatches, 47 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 287 ImplicationChecksByTransitivity, 458.27ms TimeCoverageRelationStatistics Valid=857, Invalid=1495, Unknown=0, NotChecked=0, Total=2352 [2021-08-28 23:16:21,093 INFO L928 BasicCegarLoop]: 0 mSDtfsCounter, 124 mSDsluCounter, 2 mSDsCounter, 0 mSdLazyCounter, 70 mSolverCounterSat, 85 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 71.49ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 124 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 155 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 1.03ms SdHoareTripleChecker+Time, 85 IncrementalHoareTripleChecker+Valid, 70 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 91.56ms IncrementalHoareTripleChecker+Time [2021-08-28 23:16:21,093 INFO L929 BasicCegarLoop]: SdHoareTripleChecker [124 Valid, 0 Invalid, 155 Unknown, 0 Unchecked, 1.03ms Time], IncrementalHoareTripleChecker [85 Valid, 70 Invalid, 0 Unknown, 0 Unchecked, 91.56ms Time] [2021-08-28 23:16:21,094 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-08-28 23:16:21,094 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-08-28 23:16:21,094 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-28 23:16:21,094 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-08-28 23:16:21,094 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 81 [2021-08-28 23:16:21,094 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-28 23:16:21,094 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-08-28 23:16:21,094 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 27 states have (on average 3.111111111111111) internal successors, (84), 27 states have internal predecessors, (84), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-28 23:16:21,094 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-08-28 23:16:21,095 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-08-28 23:16:21,097 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2021-08-28 23:16:21,132 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Forceful destruction successful, exit code 0 [2021-08-28 23:16:21,312 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15,15 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-28 23:16:21,314 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-08-28 23:16:21,318 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-28 23:16:21,497 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-28 23:16:21,532 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-28 23:16:29,036 WARN L210 SmtUtils]: Spent 6.54s on a formula simplification. DAG size of input: 272 DAG size of output: 173 [2021-08-28 23:16:29,040 INFO L858 garLoopResultBuilder]: For program point L19(lines 19 41) no Hoare annotation was computed. [2021-08-28 23:16:29,040 INFO L858 garLoopResultBuilder]: For program point L19-1(lines 19 41) no Hoare annotation was computed. [2021-08-28 23:16:29,040 INFO L858 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-08-28 23:16:29,040 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-08-28 23:16:29,040 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-08-28 23:16:29,040 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 8) no Hoare annotation was computed. [2021-08-28 23:16:29,040 INFO L858 garLoopResultBuilder]: For program point L24-2(lines 24 34) no Hoare annotation was computed. [2021-08-28 23:16:29,041 INFO L854 garLoopResultBuilder]: At program point L24-3(lines 24 34) the Hoare annotation is: (let ((.cse10 (select |#memory_int| ULTIMATE.start_main_~a~0.base))) (let ((.cse6 (= (select .cse10 12) 0)) (.cse8 (= (select .cse10 (+ ULTIMATE.start_main_~a~0.offset 16)) 0)) (.cse5 (= (select .cse10 (+ ULTIMATE.start_main_~a~0.offset 8)) 0)) (.cse3 (= (select .cse10 (+ ULTIMATE.start_main_~a~0.offset 4)) 0)) (.cse0 (< ~SIZE~0 100000)) (.cse4 (= (select .cse10 0) 0)) (.cse1 (= ULTIMATE.start_main_~a~0.offset 0)) (.cse2 (<= ~MAX~0 100000))) (or (and (<= 2 ~SIZE~0) .cse0 (= ULTIMATE.start_main_~i~0 0) .cse1 .cse2) (and .cse3 (exists ((v_ULTIMATE.start_main_~i~0_44 Int)) (and (<= ULTIMATE.start_main_~i~0 (+ v_ULTIMATE.start_main_~i~0_44 1)) (= (select (select |#memory_int| ULTIMATE.start_main_~a~0.base) (+ ULTIMATE.start_main_~a~0.offset (* v_ULTIMATE.start_main_~i~0_44 4))) 0) (<= v_ULTIMATE.start_main_~i~0_44 2))) .cse0 .cse4 .cse1 (< 11 (+ (* 4 ULTIMATE.start_main_~i~0) ULTIMATE.start_main_~a~0.offset)) .cse2) (and .cse3 (<= 2 ULTIMATE.start_main_~i~0) .cse0 .cse4 .cse1 (<= ULTIMATE.start_main_~i~0 2) .cse2) (and .cse5 .cse3 (exists ((v_ULTIMATE.start_main_~i~0_112 Int)) (and (<= v_ULTIMATE.start_main_~i~0_112 5) (= (select (select |#memory_int| ULTIMATE.start_main_~a~0.base) (+ ULTIMATE.start_main_~a~0.offset (* v_ULTIMATE.start_main_~i~0_112 4))) 0) (<= (+ v_ULTIMATE.start_main_~i~0_112 1) ULTIMATE.start_main_~i~0) (<= 5 v_ULTIMATE.start_main_~i~0_112))) .cse6 (<= ULTIMATE.start_main_~i~0 6) .cse0 .cse4 (exists ((v_ULTIMATE.start_main_~i~0_94 Int) (ULTIMATE.start_main_~i~0 Int)) (let ((.cse7 (select |#memory_int| ULTIMATE.start_main_~a~0.base))) (and (<= v_ULTIMATE.start_main_~i~0_94 4) (<= (+ v_ULTIMATE.start_main_~i~0_94 1) ULTIMATE.start_main_~i~0) (= (select .cse7 (+ ULTIMATE.start_main_~a~0.offset (* ULTIMATE.start_main_~i~0 4))) 0) (= (select .cse7 (+ (* v_ULTIMATE.start_main_~i~0_94 4) ULTIMATE.start_main_~a~0.offset)) 0) (<= 4 v_ULTIMATE.start_main_~i~0_94)))) .cse1 .cse2) (and .cse5 (exists ((v_ULTIMATE.start_main_~i~0_156 Int)) (and (= (select (select |#memory_int| ULTIMATE.start_main_~a~0.base) (+ ULTIMATE.start_main_~a~0.offset (* v_ULTIMATE.start_main_~i~0_156 4))) 0) (<= v_ULTIMATE.start_main_~i~0_156 6) (<= (+ v_ULTIMATE.start_main_~i~0_156 1) ULTIMATE.start_main_~i~0) (<= 6 v_ULTIMATE.start_main_~i~0_156))) .cse3 .cse6 .cse0 (exists ((v_ULTIMATE.start_main_~i~0_180 Int)) (and (<= v_ULTIMATE.start_main_~i~0_180 7) (= (select (select |#memory_int| ULTIMATE.start_main_~a~0.base) (+ ULTIMATE.start_main_~a~0.offset (* v_ULTIMATE.start_main_~i~0_180 4))) 0) (<= ULTIMATE.start_main_~i~0 (+ v_ULTIMATE.start_main_~i~0_180 1)))) .cse4 .cse8 (exists ((v_ULTIMATE.start_main_~i~0_112 Int) (ULTIMATE.start_main_~i~0 Int)) (let ((.cse9 (select |#memory_int| ULTIMATE.start_main_~a~0.base))) (and (<= v_ULTIMATE.start_main_~i~0_112 5) (= (select .cse9 (+ ULTIMATE.start_main_~a~0.offset (* v_ULTIMATE.start_main_~i~0_112 4))) 0) (<= (+ v_ULTIMATE.start_main_~i~0_112 1) ULTIMATE.start_main_~i~0) (= (select .cse9 (+ ULTIMATE.start_main_~a~0.offset (* ULTIMATE.start_main_~i~0 4))) 0) (<= 5 v_ULTIMATE.start_main_~i~0_112)))) .cse1 .cse2) (and .cse5 .cse3 .cse6 .cse0 .cse4 .cse8 (= (select .cse10 (+ ULTIMATE.start_main_~a~0.offset 28)) 0) (= (select .cse10 (+ ULTIMATE.start_main_~a~0.offset 20)) 0) .cse1 (<= (div ULTIMATE.start_main_~i~0 65536) 250) (forall ((v_ULTIMATE.start_main_~i~0_189 Int)) (or (<= ULTIMATE.start_main_~i~0 v_ULTIMATE.start_main_~i~0_189) (< v_ULTIMATE.start_main_~i~0_189 7) (= (select (select |#memory_int| ULTIMATE.start_main_~a~0.base) (+ (* v_ULTIMATE.start_main_~i~0_189 4) ULTIMATE.start_main_~a~0.offset)) 0))) .cse2 (= (select .cse10 (+ ULTIMATE.start_main_~a~0.offset 24)) 0)) (and .cse5 .cse3 (exists ((v_ULTIMATE.start_main_~i~0_94 Int)) (and (<= v_ULTIMATE.start_main_~i~0_94 4) (<= (+ v_ULTIMATE.start_main_~i~0_94 1) ULTIMATE.start_main_~i~0) (= (select (select |#memory_int| ULTIMATE.start_main_~a~0.base) (+ (* v_ULTIMATE.start_main_~i~0_94 4) ULTIMATE.start_main_~a~0.offset)) 0) (<= 4 v_ULTIMATE.start_main_~i~0_94))) (exists ((ULTIMATE.start_main_~i~0 Int) (v_ULTIMATE.start_main_~i~0_79 Int)) (let ((.cse11 (select |#memory_int| ULTIMATE.start_main_~a~0.base))) (and (< 11 (+ ULTIMATE.start_main_~a~0.offset (* 4 v_ULTIMATE.start_main_~i~0_79))) (<= v_ULTIMATE.start_main_~i~0_79 3) (= (select .cse11 (+ ULTIMATE.start_main_~a~0.offset (* v_ULTIMATE.start_main_~i~0_79 4))) 0) (= (select .cse11 (+ ULTIMATE.start_main_~a~0.offset (* ULTIMATE.start_main_~i~0 4))) 0) (<= (+ v_ULTIMATE.start_main_~i~0_79 1) ULTIMATE.start_main_~i~0)))) (<= ULTIMATE.start_main_~i~0 5) .cse0 .cse4 .cse1 .cse2) (and (<= ULTIMATE.start_main_~i~0 1) .cse0 (<= 1 ULTIMATE.start_main_~i~0) (= (select .cse10 ULTIMATE.start_main_~a~0.offset) 0) (< 1 ~SIZE~0) .cse1 .cse2) (and (exists ((v_ULTIMATE.start_main_~i~0_79 Int)) (and (< 11 (+ ULTIMATE.start_main_~a~0.offset (* 4 v_ULTIMATE.start_main_~i~0_79))) (<= v_ULTIMATE.start_main_~i~0_79 3) (= (select (select |#memory_int| ULTIMATE.start_main_~a~0.base) (+ ULTIMATE.start_main_~a~0.offset (* v_ULTIMATE.start_main_~i~0_79 4))) 0) (<= (+ v_ULTIMATE.start_main_~i~0_79 1) ULTIMATE.start_main_~i~0))) .cse3 (<= ULTIMATE.start_main_~i~0 4) .cse0 .cse4 (exists ((v_ULTIMATE.start_main_~i~0_67 Int) (ULTIMATE.start_main_~i~0 Int)) (let ((.cse12 (select |#memory_int| ULTIMATE.start_main_~a~0.base))) (and (= (select .cse12 (+ ULTIMATE.start_main_~a~0.offset (* v_ULTIMATE.start_main_~i~0_67 4))) 0) (<= v_ULTIMATE.start_main_~i~0_67 2) (<= 2 v_ULTIMATE.start_main_~i~0_67) (= (select .cse12 (+ ULTIMATE.start_main_~a~0.offset (* ULTIMATE.start_main_~i~0 4))) 0) (<= (+ v_ULTIMATE.start_main_~i~0_67 1) ULTIMATE.start_main_~i~0)))) .cse1 .cse2)))) [2021-08-28 23:16:29,041 INFO L858 garLoopResultBuilder]: For program point L24-4(lines 24 34) no Hoare annotation was computed. [2021-08-28 23:16:29,041 INFO L858 garLoopResultBuilder]: For program point L8(line 8) no Hoare annotation was computed. [2021-08-28 23:16:29,041 INFO L858 garLoopResultBuilder]: For program point L8-1(line 8) no Hoare annotation was computed. [2021-08-28 23:16:29,041 INFO L858 garLoopResultBuilder]: For program point L8-3(line 8) no Hoare annotation was computed. [2021-08-28 23:16:29,041 INFO L858 garLoopResultBuilder]: For program point L37-2(lines 37 40) no Hoare annotation was computed. [2021-08-28 23:16:29,041 INFO L854 garLoopResultBuilder]: At program point L37-3(lines 37 40) the Hoare annotation is: (let ((.cse9 (select |#memory_int| ULTIMATE.start_main_~a~0.base))) (let ((.cse1 (exists ((v_ULTIMATE.start_main_~i~0_44 Int)) (and (= (select (select |#memory_int| ULTIMATE.start_main_~a~0.base) (+ ULTIMATE.start_main_~a~0.offset (* v_ULTIMATE.start_main_~i~0_44 4))) 0) (<= ~SIZE~0 (+ v_ULTIMATE.start_main_~i~0_44 1)) (<= v_ULTIMATE.start_main_~i~0_44 2)))) (.cse2 (not (= 0 ULTIMATE.start___VERIFIER_assert_~cond))) (.cse6 (= (select .cse9 (+ ULTIMATE.start_main_~a~0.offset 8)) 0)) (.cse0 (= (select .cse9 (+ ULTIMATE.start_main_~a~0.offset 4)) 0)) (.cse7 (= (select .cse9 12) 0)) (.cse4 (= ULTIMATE.start_main_~i~0 0)) (.cse8 (= (select .cse9 (+ ULTIMATE.start_main_~a~0.offset 20)) 0)) (.cse5 (= ULTIMATE.start_main_~a~0.offset 0)) (.cse3 (= (select .cse9 (+ ULTIMATE.start_main_~a~0.offset (* ULTIMATE.start_main_~i~0 4))) 0))) (or (and .cse0 (<= 2 ULTIMATE.start_main_~i~0) .cse1 .cse2) (and (<= ULTIMATE.start_main_~i~0 1) (<= 1 ULTIMATE.start_main_~i~0) .cse1 .cse3 .cse2) (and .cse0 .cse1 .cse4 .cse5 .cse3) (and .cse6 .cse0 (or (<= ~SIZE~0 ULTIMATE.start_main_~i~0) .cse3) .cse7 .cse8 .cse5 .cse2 (forall ((v_ULTIMATE.start_main_~i~0_189 Int)) (or (< v_ULTIMATE.start_main_~i~0_189 (+ ULTIMATE.start_main_~i~0 1)) (<= ~SIZE~0 v_ULTIMATE.start_main_~i~0_189) (= (select (select |#memory_int| ULTIMATE.start_main_~a~0.base) (+ (* v_ULTIMATE.start_main_~i~0_189 4) ULTIMATE.start_main_~a~0.offset)) 0)))) (and .cse6 .cse0 .cse7 (= (select .cse9 (+ ULTIMATE.start_main_~a~0.offset 16)) 0) (forall ((v_ULTIMATE.start_main_~i~0_189 Int)) (or (<= ~SIZE~0 v_ULTIMATE.start_main_~i~0_189) (= (select (select |#memory_int| ULTIMATE.start_main_~a~0.base) (+ (* v_ULTIMATE.start_main_~i~0_189 4) ULTIMATE.start_main_~a~0.offset)) 0) (< v_ULTIMATE.start_main_~i~0_189 (+ ULTIMATE.start_main_~i~0 7)))) .cse4 (= (select .cse9 (+ ULTIMATE.start_main_~a~0.offset 28)) 0) .cse8 .cse5 .cse3 (= (select .cse9 (+ ULTIMATE.start_main_~a~0.offset 24)) 0))))) [2021-08-28 23:16:29,041 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-08-28 23:16:29,041 INFO L861 garLoopResultBuilder]: At program point L42(lines 16 43) the Hoare annotation is: true [2021-08-28 23:16:29,041 INFO L858 garLoopResultBuilder]: For program point L26(lines 26 33) no Hoare annotation was computed. [2021-08-28 23:16:29,044 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-08-28 23:16:29,051 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_44,QUANTIFIED] [2021-08-28 23:16:29,052 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_44,QUANTIFIED] [2021-08-28 23:16:29,052 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_44,QUANTIFIED] [2021-08-28 23:16:29,053 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_44,QUANTIFIED] [2021-08-28 23:16:29,053 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_44,QUANTIFIED] [2021-08-28 23:16:29,053 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_44,QUANTIFIED] [2021-08-28 23:16:29,053 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_44,QUANTIFIED] [2021-08-28 23:16:29,053 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_44,QUANTIFIED] [2021-08-28 23:16:29,054 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_44,QUANTIFIED] [2021-08-28 23:16:29,054 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_189,QUANTIFIED] [2021-08-28 23:16:29,054 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_189,QUANTIFIED] [2021-08-28 23:16:29,054 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_189,QUANTIFIED] [2021-08-28 23:16:29,054 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_189,QUANTIFIED] [2021-08-28 23:16:29,054 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_189,QUANTIFIED] [2021-08-28 23:16:29,055 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_189,QUANTIFIED] [2021-08-28 23:16:29,063 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_44,QUANTIFIED] [2021-08-28 23:16:29,064 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_44,QUANTIFIED] [2021-08-28 23:16:29,064 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_44,QUANTIFIED] [2021-08-28 23:16:29,064 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_44,QUANTIFIED] [2021-08-28 23:16:29,064 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_44,QUANTIFIED] [2021-08-28 23:16:29,064 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_44,QUANTIFIED] [2021-08-28 23:16:29,065 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_44,QUANTIFIED] [2021-08-28 23:16:29,065 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_44,QUANTIFIED] [2021-08-28 23:16:29,065 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_44,QUANTIFIED] [2021-08-28 23:16:29,065 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_189,QUANTIFIED] [2021-08-28 23:16:29,065 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_189,QUANTIFIED] [2021-08-28 23:16:29,066 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_189,QUANTIFIED] [2021-08-28 23:16:29,066 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_189,QUANTIFIED] [2021-08-28 23:16:29,066 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_189,QUANTIFIED] [2021-08-28 23:16:29,066 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_189,QUANTIFIED] [2021-08-28 23:16:29,072 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_44,QUANTIFIED] [2021-08-28 23:16:29,072 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_44,QUANTIFIED] [2021-08-28 23:16:29,072 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_44,QUANTIFIED] [2021-08-28 23:16:29,073 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_112,QUANTIFIED] [2021-08-28 23:16:29,073 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_112,QUANTIFIED] [2021-08-28 23:16:29,073 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_112,QUANTIFIED] [2021-08-28 23:16:29,073 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_112,QUANTIFIED] [2021-08-28 23:16:29,073 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_94,QUANTIFIED] [2021-08-28 23:16:29,074 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_94,QUANTIFIED] [2021-08-28 23:16:29,074 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~i~0,QUANTIFIED] [2021-08-28 23:16:29,074 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~i~0,QUANTIFIED] [2021-08-28 23:16:29,074 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_94,QUANTIFIED] [2021-08-28 23:16:29,074 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_94,QUANTIFIED] [2021-08-28 23:16:29,075 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_156,QUANTIFIED] [2021-08-28 23:16:29,075 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_156,QUANTIFIED] [2021-08-28 23:16:29,075 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_156,QUANTIFIED] [2021-08-28 23:16:29,075 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_156,QUANTIFIED] [2021-08-28 23:16:29,075 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_180,QUANTIFIED] [2021-08-28 23:16:29,076 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_180,QUANTIFIED] [2021-08-28 23:16:29,076 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_180,QUANTIFIED] [2021-08-28 23:16:29,076 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_112,QUANTIFIED] [2021-08-28 23:16:29,076 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_112,QUANTIFIED] [2021-08-28 23:16:29,077 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_112,QUANTIFIED] [2021-08-28 23:16:29,077 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~i~0,QUANTIFIED] [2021-08-28 23:16:29,077 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~i~0,QUANTIFIED] [2021-08-28 23:16:29,077 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_112,QUANTIFIED] [2021-08-28 23:16:29,077 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_189,QUANTIFIED] [2021-08-28 23:16:29,078 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_189,QUANTIFIED] [2021-08-28 23:16:29,078 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_189,QUANTIFIED] [2021-08-28 23:16:29,078 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_94,QUANTIFIED] [2021-08-28 23:16:29,078 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_94,QUANTIFIED] [2021-08-28 23:16:29,078 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_94,QUANTIFIED] [2021-08-28 23:16:29,079 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_94,QUANTIFIED] [2021-08-28 23:16:29,079 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_79,QUANTIFIED] [2021-08-28 23:16:29,079 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_79,QUANTIFIED] [2021-08-28 23:16:29,079 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_79,QUANTIFIED] [2021-08-28 23:16:29,079 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~i~0,QUANTIFIED] [2021-08-28 23:16:29,079 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_79,QUANTIFIED] [2021-08-28 23:16:29,080 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~i~0,QUANTIFIED] [2021-08-28 23:16:29,080 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_79,QUANTIFIED] [2021-08-28 23:16:29,080 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_79,QUANTIFIED] [2021-08-28 23:16:29,080 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_79,QUANTIFIED] [2021-08-28 23:16:29,080 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_79,QUANTIFIED] [2021-08-28 23:16:29,081 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_67,QUANTIFIED] [2021-08-28 23:16:29,081 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_67,QUANTIFIED] [2021-08-28 23:16:29,081 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_67,QUANTIFIED] [2021-08-28 23:16:29,081 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~i~0,QUANTIFIED] [2021-08-28 23:16:29,081 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_67,QUANTIFIED] [2021-08-28 23:16:29,081 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~i~0,QUANTIFIED] [2021-08-28 23:16:29,086 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_44,QUANTIFIED] [2021-08-28 23:16:29,086 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_44,QUANTIFIED] [2021-08-28 23:16:29,087 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_44,QUANTIFIED] [2021-08-28 23:16:29,087 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_112,QUANTIFIED] [2021-08-28 23:16:29,087 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_112,QUANTIFIED] [2021-08-28 23:16:29,087 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_112,QUANTIFIED] [2021-08-28 23:16:29,087 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_112,QUANTIFIED] [2021-08-28 23:16:29,088 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_94,QUANTIFIED] [2021-08-28 23:16:29,088 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_94,QUANTIFIED] [2021-08-28 23:16:29,088 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~i~0,QUANTIFIED] [2021-08-28 23:16:29,088 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~i~0,QUANTIFIED] [2021-08-28 23:16:29,088 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_94,QUANTIFIED] [2021-08-28 23:16:29,089 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_94,QUANTIFIED] [2021-08-28 23:16:29,089 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_156,QUANTIFIED] [2021-08-28 23:16:29,089 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_156,QUANTIFIED] [2021-08-28 23:16:29,089 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_156,QUANTIFIED] [2021-08-28 23:16:29,089 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_156,QUANTIFIED] [2021-08-28 23:16:29,090 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_180,QUANTIFIED] [2021-08-28 23:16:29,090 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_180,QUANTIFIED] [2021-08-28 23:16:29,090 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_180,QUANTIFIED] [2021-08-28 23:16:29,090 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_112,QUANTIFIED] [2021-08-28 23:16:29,090 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_112,QUANTIFIED] [2021-08-28 23:16:29,091 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_112,QUANTIFIED] [2021-08-28 23:16:29,091 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~i~0,QUANTIFIED] [2021-08-28 23:16:29,091 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~i~0,QUANTIFIED] [2021-08-28 23:16:29,091 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_112,QUANTIFIED] [2021-08-28 23:16:29,091 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_189,QUANTIFIED] [2021-08-28 23:16:29,092 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_189,QUANTIFIED] [2021-08-28 23:16:29,092 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_189,QUANTIFIED] [2021-08-28 23:16:29,092 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_94,QUANTIFIED] [2021-08-28 23:16:29,092 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_94,QUANTIFIED] [2021-08-28 23:16:29,092 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_94,QUANTIFIED] [2021-08-28 23:16:29,093 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_94,QUANTIFIED] [2021-08-28 23:16:29,093 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_79,QUANTIFIED] [2021-08-28 23:16:29,093 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_79,QUANTIFIED] [2021-08-28 23:16:29,093 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_79,QUANTIFIED] [2021-08-28 23:16:29,093 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~i~0,QUANTIFIED] [2021-08-28 23:16:29,093 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_79,QUANTIFIED] [2021-08-28 23:16:29,094 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~i~0,QUANTIFIED] [2021-08-28 23:16:29,094 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_79,QUANTIFIED] [2021-08-28 23:16:29,094 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_79,QUANTIFIED] [2021-08-28 23:16:29,094 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_79,QUANTIFIED] [2021-08-28 23:16:29,094 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_79,QUANTIFIED] [2021-08-28 23:16:29,095 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_67,QUANTIFIED] [2021-08-28 23:16:29,095 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_67,QUANTIFIED] [2021-08-28 23:16:29,095 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_67,QUANTIFIED] [2021-08-28 23:16:29,095 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~i~0,QUANTIFIED] [2021-08-28 23:16:29,095 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_67,QUANTIFIED] [2021-08-28 23:16:29,095 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~i~0,QUANTIFIED] [2021-08-28 23:16:29,098 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.08 11:16:29 BoogieIcfgContainer [2021-08-28 23:16:29,099 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-08-28 23:16:29,099 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-08-28 23:16:29,099 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-08-28 23:16:29,099 INFO L275 PluginConnector]: Witness Printer initialized [2021-08-28 23:16:29,100 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.08 11:15:36" (3/4) ... [2021-08-28 23:16:29,116 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-08-28 23:16:29,123 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2021-08-28 23:16:29,124 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2021-08-28 23:16:29,124 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-08-28 23:16:29,124 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-08-28 23:16:29,143 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((((2 <= SIZE && SIZE < 100000) && i == 0) && a == 0) && MAX <= 100000) || ((((((unknown-#memory_int-unknown[a][a + 4] == 0 && (\exists v_ULTIMATE.start_main_~i~0_44 : int :: (i <= v_ULTIMATE.start_main_~i~0_44 + 1 && unknown-#memory_int-unknown[a][a + v_ULTIMATE.start_main_~i~0_44 * 4] == 0) && v_ULTIMATE.start_main_~i~0_44 <= 2)) && SIZE < 100000) && unknown-#memory_int-unknown[a][0] == 0) && a == 0) && 11 < 4 * i + a) && MAX <= 100000)) || ((((((unknown-#memory_int-unknown[a][a + 4] == 0 && 2 <= i) && SIZE < 100000) && unknown-#memory_int-unknown[a][0] == 0) && a == 0) && i <= 2) && MAX <= 100000)) || (((((((((unknown-#memory_int-unknown[a][a + 8] == 0 && unknown-#memory_int-unknown[a][a + 4] == 0) && (\exists v_ULTIMATE.start_main_~i~0_112 : int :: ((v_ULTIMATE.start_main_~i~0_112 <= 5 && unknown-#memory_int-unknown[a][a + v_ULTIMATE.start_main_~i~0_112 * 4] == 0) && v_ULTIMATE.start_main_~i~0_112 + 1 <= i) && 5 <= v_ULTIMATE.start_main_~i~0_112)) && unknown-#memory_int-unknown[a][12] == 0) && i <= 6) && SIZE < 100000) && unknown-#memory_int-unknown[a][0] == 0) && (\exists v_ULTIMATE.start_main_~i~0_94 : int, ULTIMATE.start_main_~i~0 : int :: (((v_ULTIMATE.start_main_~i~0_94 <= 4 && v_ULTIMATE.start_main_~i~0_94 + 1 <= ULTIMATE.start_main_~i~0) && unknown-#memory_int-unknown[a][a + ULTIMATE.start_main_~i~0 * 4] == 0) && unknown-#memory_int-unknown[a][v_ULTIMATE.start_main_~i~0_94 * 4 + a] == 0) && 4 <= v_ULTIMATE.start_main_~i~0_94)) && a == 0) && MAX <= 100000)) || ((((((((((unknown-#memory_int-unknown[a][a + 8] == 0 && (\exists v_ULTIMATE.start_main_~i~0_156 : int :: ((unknown-#memory_int-unknown[a][a + v_ULTIMATE.start_main_~i~0_156 * 4] == 0 && v_ULTIMATE.start_main_~i~0_156 <= 6) && v_ULTIMATE.start_main_~i~0_156 + 1 <= i) && 6 <= v_ULTIMATE.start_main_~i~0_156)) && unknown-#memory_int-unknown[a][a + 4] == 0) && unknown-#memory_int-unknown[a][12] == 0) && SIZE < 100000) && (\exists v_ULTIMATE.start_main_~i~0_180 : int :: (v_ULTIMATE.start_main_~i~0_180 <= 7 && unknown-#memory_int-unknown[a][a + v_ULTIMATE.start_main_~i~0_180 * 4] == 0) && i <= v_ULTIMATE.start_main_~i~0_180 + 1)) && unknown-#memory_int-unknown[a][0] == 0) && unknown-#memory_int-unknown[a][a + 16] == 0) && (\exists v_ULTIMATE.start_main_~i~0_112 : int, ULTIMATE.start_main_~i~0 : int :: (((v_ULTIMATE.start_main_~i~0_112 <= 5 && unknown-#memory_int-unknown[a][a + v_ULTIMATE.start_main_~i~0_112 * 4] == 0) && v_ULTIMATE.start_main_~i~0_112 + 1 <= ULTIMATE.start_main_~i~0) && unknown-#memory_int-unknown[a][a + ULTIMATE.start_main_~i~0 * 4] == 0) && 5 <= v_ULTIMATE.start_main_~i~0_112)) && a == 0) && MAX <= 100000)) || ((((((((((((unknown-#memory_int-unknown[a][a + 8] == 0 && unknown-#memory_int-unknown[a][a + 4] == 0) && unknown-#memory_int-unknown[a][12] == 0) && SIZE < 100000) && unknown-#memory_int-unknown[a][0] == 0) && unknown-#memory_int-unknown[a][a + 16] == 0) && unknown-#memory_int-unknown[a][a + 28] == 0) && unknown-#memory_int-unknown[a][a + 20] == 0) && a == 0) && i / 65536 <= 250) && (forall v_ULTIMATE.start_main_~i~0_189 : int :: (i <= v_ULTIMATE.start_main_~i~0_189 || v_ULTIMATE.start_main_~i~0_189 < 7) || unknown-#memory_int-unknown[a][v_ULTIMATE.start_main_~i~0_189 * 4 + a] == 0)) && MAX <= 100000) && unknown-#memory_int-unknown[a][a + 24] == 0)) || ((((((((unknown-#memory_int-unknown[a][a + 8] == 0 && unknown-#memory_int-unknown[a][a + 4] == 0) && (\exists v_ULTIMATE.start_main_~i~0_94 : int :: ((v_ULTIMATE.start_main_~i~0_94 <= 4 && v_ULTIMATE.start_main_~i~0_94 + 1 <= i) && unknown-#memory_int-unknown[a][v_ULTIMATE.start_main_~i~0_94 * 4 + a] == 0) && 4 <= v_ULTIMATE.start_main_~i~0_94)) && (\exists ULTIMATE.start_main_~i~0 : int, v_ULTIMATE.start_main_~i~0_79 : int :: (((11 < a + 4 * v_ULTIMATE.start_main_~i~0_79 && v_ULTIMATE.start_main_~i~0_79 <= 3) && unknown-#memory_int-unknown[a][a + v_ULTIMATE.start_main_~i~0_79 * 4] == 0) && unknown-#memory_int-unknown[a][a + ULTIMATE.start_main_~i~0 * 4] == 0) && v_ULTIMATE.start_main_~i~0_79 + 1 <= ULTIMATE.start_main_~i~0)) && i <= 5) && SIZE < 100000) && unknown-#memory_int-unknown[a][0] == 0) && a == 0) && MAX <= 100000)) || ((((((i <= 1 && SIZE < 100000) && 1 <= i) && unknown-#memory_int-unknown[a][a] == 0) && 1 < SIZE) && a == 0) && MAX <= 100000)) || ((((((((\exists v_ULTIMATE.start_main_~i~0_79 : int :: ((11 < a + 4 * v_ULTIMATE.start_main_~i~0_79 && v_ULTIMATE.start_main_~i~0_79 <= 3) && unknown-#memory_int-unknown[a][a + v_ULTIMATE.start_main_~i~0_79 * 4] == 0) && v_ULTIMATE.start_main_~i~0_79 + 1 <= i) && unknown-#memory_int-unknown[a][a + 4] == 0) && i <= 4) && SIZE < 100000) && unknown-#memory_int-unknown[a][0] == 0) && (\exists v_ULTIMATE.start_main_~i~0_67 : int, ULTIMATE.start_main_~i~0 : int :: (((unknown-#memory_int-unknown[a][a + v_ULTIMATE.start_main_~i~0_67 * 4] == 0 && v_ULTIMATE.start_main_~i~0_67 <= 2) && 2 <= v_ULTIMATE.start_main_~i~0_67) && unknown-#memory_int-unknown[a][a + ULTIMATE.start_main_~i~0 * 4] == 0) && v_ULTIMATE.start_main_~i~0_67 + 1 <= ULTIMATE.start_main_~i~0)) && a == 0) && MAX <= 100000) [2021-08-28 23:16:29,143 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((unknown-#memory_int-unknown[a][a + 4] == 0 && 2 <= i) && (\exists v_ULTIMATE.start_main_~i~0_44 : int :: (unknown-#memory_int-unknown[a][a + v_ULTIMATE.start_main_~i~0_44 * 4] == 0 && SIZE <= v_ULTIMATE.start_main_~i~0_44 + 1) && v_ULTIMATE.start_main_~i~0_44 <= 2)) && !(0 == cond)) || ((((i <= 1 && 1 <= i) && (\exists v_ULTIMATE.start_main_~i~0_44 : int :: (unknown-#memory_int-unknown[a][a + v_ULTIMATE.start_main_~i~0_44 * 4] == 0 && SIZE <= v_ULTIMATE.start_main_~i~0_44 + 1) && v_ULTIMATE.start_main_~i~0_44 <= 2)) && unknown-#memory_int-unknown[a][a + i * 4] == 0) && !(0 == cond))) || ((((unknown-#memory_int-unknown[a][a + 4] == 0 && (\exists v_ULTIMATE.start_main_~i~0_44 : int :: (unknown-#memory_int-unknown[a][a + v_ULTIMATE.start_main_~i~0_44 * 4] == 0 && SIZE <= v_ULTIMATE.start_main_~i~0_44 + 1) && v_ULTIMATE.start_main_~i~0_44 <= 2)) && i == 0) && a == 0) && unknown-#memory_int-unknown[a][a + i * 4] == 0)) || (((((((unknown-#memory_int-unknown[a][a + 8] == 0 && unknown-#memory_int-unknown[a][a + 4] == 0) && (SIZE <= i || unknown-#memory_int-unknown[a][a + i * 4] == 0)) && unknown-#memory_int-unknown[a][12] == 0) && unknown-#memory_int-unknown[a][a + 20] == 0) && a == 0) && !(0 == cond)) && (forall v_ULTIMATE.start_main_~i~0_189 : int :: (v_ULTIMATE.start_main_~i~0_189 < i + 1 || SIZE <= v_ULTIMATE.start_main_~i~0_189) || unknown-#memory_int-unknown[a][v_ULTIMATE.start_main_~i~0_189 * 4 + a] == 0))) || ((((((((((unknown-#memory_int-unknown[a][a + 8] == 0 && unknown-#memory_int-unknown[a][a + 4] == 0) && unknown-#memory_int-unknown[a][12] == 0) && unknown-#memory_int-unknown[a][a + 16] == 0) && (forall v_ULTIMATE.start_main_~i~0_189 : int :: (SIZE <= v_ULTIMATE.start_main_~i~0_189 || unknown-#memory_int-unknown[a][v_ULTIMATE.start_main_~i~0_189 * 4 + a] == 0) || v_ULTIMATE.start_main_~i~0_189 < i + 7)) && i == 0) && unknown-#memory_int-unknown[a][a + 28] == 0) && unknown-#memory_int-unknown[a][a + 20] == 0) && a == 0) && unknown-#memory_int-unknown[a][a + i * 4] == 0) && unknown-#memory_int-unknown[a][a + 24] == 0) [2021-08-28 23:16:29,149 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2021-08-28 23:16:29,149 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-08-28 23:16:29,150 INFO L158 Benchmark]: Toolchain (without parser) took 52884.59ms. Allocated memory was 48.2MB in the beginning and 92.3MB in the end (delta: 44.0MB). Free memory was 24.0MB in the beginning and 52.2MB in the end (delta: -28.2MB). Peak memory consumption was 15.2MB. Max. memory is 16.1GB. [2021-08-28 23:16:29,150 INFO L158 Benchmark]: CDTParser took 0.19ms. Allocated memory is still 48.2MB. Free memory was 30.5MB in the beginning and 30.5MB in the end (delta: 1.6kB). There was no memory consumed. Max. memory is 16.1GB. [2021-08-28 23:16:29,150 INFO L158 Benchmark]: CACSL2BoogieTranslator took 265.79ms. Allocated memory was 48.2MB in the beginning and 62.9MB in the end (delta: 14.7MB). Free memory was 23.8MB in the beginning and 46.3MB in the end (delta: -22.5MB). Peak memory consumption was 4.1MB. Max. memory is 16.1GB. [2021-08-28 23:16:29,150 INFO L158 Benchmark]: Boogie Procedure Inliner took 30.91ms. Allocated memory is still 62.9MB. Free memory was 46.1MB in the beginning and 44.8MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-08-28 23:16:29,151 INFO L158 Benchmark]: Boogie Preprocessor took 45.34ms. Allocated memory is still 62.9MB. Free memory was 44.8MB in the beginning and 43.6MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. [2021-08-28 23:16:29,151 INFO L158 Benchmark]: RCFGBuilder took 265.39ms. Allocated memory is still 62.9MB. Free memory was 43.6MB in the beginning and 34.8MB in the end (delta: 8.8MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-08-28 23:16:29,151 INFO L158 Benchmark]: TraceAbstraction took 52219.07ms. Allocated memory was 62.9MB in the beginning and 92.3MB in the end (delta: 29.4MB). Free memory was 34.2MB in the beginning and 54.3MB in the end (delta: -20.1MB). Peak memory consumption was 43.2MB. Max. memory is 16.1GB. [2021-08-28 23:16:29,152 INFO L158 Benchmark]: Witness Printer took 50.03ms. Allocated memory is still 92.3MB. Free memory was 54.3MB in the beginning and 52.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-08-28 23:16:29,153 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19ms. Allocated memory is still 48.2MB. Free memory was 30.5MB in the beginning and 30.5MB in the end (delta: 1.6kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 265.79ms. Allocated memory was 48.2MB in the beginning and 62.9MB in the end (delta: 14.7MB). Free memory was 23.8MB in the beginning and 46.3MB in the end (delta: -22.5MB). Peak memory consumption was 4.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 30.91ms. Allocated memory is still 62.9MB. Free memory was 46.1MB in the beginning and 44.8MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 45.34ms. Allocated memory is still 62.9MB. Free memory was 44.8MB in the beginning and 43.6MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 265.39ms. Allocated memory is still 62.9MB. Free memory was 43.6MB in the beginning and 34.8MB in the end (delta: 8.8MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * TraceAbstraction took 52219.07ms. Allocated memory was 62.9MB in the beginning and 92.3MB in the end (delta: 29.4MB). Free memory was 34.2MB in the beginning and 54.3MB in the end (delta: -20.1MB). Peak memory consumption was 43.2MB. Max. memory is 16.1GB. * Witness Printer took 50.03ms. Allocated memory is still 92.3MB. Free memory was 54.3MB in the beginning and 52.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_44,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_44,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_44,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_44,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_44,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_44,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_44,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_44,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_44,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_189,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_189,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_189,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_189,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_189,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_189,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_44,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_44,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_44,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_44,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_44,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_44,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_44,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_44,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_44,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_189,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_189,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_189,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_189,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_189,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_189,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_44,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_44,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_44,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_112,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_112,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_112,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_112,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_94,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_94,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~i~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~i~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_94,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_94,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_156,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_156,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_156,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_156,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_180,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_180,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_180,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_112,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_112,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_112,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~i~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~i~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_112,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_189,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_189,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_189,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_94,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_94,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_94,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_94,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_79,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_79,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_79,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~i~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_79,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~i~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_79,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_79,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_79,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_79,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_67,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_67,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_67,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~i~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_67,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~i~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_44,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_44,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_44,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_112,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_112,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_112,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_112,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_94,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_94,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~i~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~i~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_94,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_94,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_156,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_156,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_156,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_156,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_180,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_180,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_180,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_112,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_112,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_112,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~i~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~i~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_112,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_189,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_189,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_189,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_94,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_94,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_94,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_94,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_79,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_79,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_79,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~i~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_79,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~i~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_79,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_79,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_79,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_79,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_67,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_67,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_67,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~i~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_67,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~i~0,QUANTIFIED] * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.00ms ErrorAutomatonConstructionTimeTotal, 0.00ms FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.00ms ErrorAutomatonConstructionTimeAvg, 0.00ms ErrorAutomatonDifferenceTimeAvg, 0.00ms ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 8]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 17 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 52101.54ms, OverallIterations: 16, TraceHistogramMax: 19, EmptinessCheckTime: 18.96ms, AutomataDifference: 20152.33ms, DeadEndRemovalTime: 0.00ms, HoareAnnotationTime: 7726.63ms, InitialAbstractionConstructionTime: 10.73ms, PartialOrderReductionTime: 0.00ms, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 830 SdHoareTripleChecker+Valid, 2081.02ms IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 830 mSDsluCounter, 0 SdHoareTripleChecker+Invalid, 1644.88ms Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 889 IncrementalHoareTripleChecker+Unchecked, 1101 mSDsCounter, 510 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 3847 IncrementalHoareTripleChecker+Invalid, 5246 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 510 mSolverCounterUnsat, 0 mSDtfsCounter, 3847 mSolverCounterSat, 23.88ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 1396 GetRequests, 924 SyntacticMatches, 24 SemanticMatches, 448 ConstructedPredicates, 12 IntricatePredicates, 0 DeprecatedPredicates, 4369 ImplicationChecksByTransitivity, 30693.73ms Time, 0.00ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=114occurred in iteration=14, InterpolantAutomatonStates: 321, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.00ms DumpTime, AutomataMinimizationStatistics: 103.96ms AutomataMinimizationTime, 16 MinimizatonAttempts, 206 StatesRemovedByMinimization, 13 NontrivialMinimizations, HoareAnnotationStatistics: 0.00ms HoareAnnotationTime, 3 LocationsWithAnnotation, 3 PreInvPairs, 50 NumberOfFragments, 968 HoareAnnotationTreeSize, 3 FomulaSimplifications, 716995 FormulaSimplificationTreeSizeReduction, 217.54ms HoareSimplificationTime, 3 FomulaSimplificationsInter, 1559473 FormulaSimplificationTreeSizeReductionInter, 7501.20ms HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 146.84ms SsaConstructionTime, 647.92ms SatisfiabilityAnalysisTime, 19718.13ms InterpolantComputationTime, 1062 NumberOfCodeBlocks, 1003 NumberOfCodeBlocksAsserted, 60 NumberOfCheckSat, 1541 ConstructedInterpolants, 125 QuantifiedInterpolants, 11571 SizeOfPredicates, 76 NumberOfNonLiveVariables, 1656 ConjunctsInSsa, 243 ConjunctsInUnsatCore, 44 InterpolantComputations, 2 PerfectInterpolantSequences, 1752/4362 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 37]: Loop Invariant [2021-08-28 23:16:29,173 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_44,QUANTIFIED] [2021-08-28 23:16:29,173 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_44,QUANTIFIED] [2021-08-28 23:16:29,173 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_44,QUANTIFIED] [2021-08-28 23:16:29,173 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_44,QUANTIFIED] [2021-08-28 23:16:29,174 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_44,QUANTIFIED] [2021-08-28 23:16:29,174 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_44,QUANTIFIED] [2021-08-28 23:16:29,174 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_44,QUANTIFIED] [2021-08-28 23:16:29,174 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_44,QUANTIFIED] [2021-08-28 23:16:29,174 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_44,QUANTIFIED] [2021-08-28 23:16:29,174 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_189,QUANTIFIED] [2021-08-28 23:16:29,175 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_189,QUANTIFIED] [2021-08-28 23:16:29,175 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_189,QUANTIFIED] [2021-08-28 23:16:29,175 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_189,QUANTIFIED] [2021-08-28 23:16:29,175 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_189,QUANTIFIED] [2021-08-28 23:16:29,175 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_189,QUANTIFIED] [2021-08-28 23:16:29,177 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_44,QUANTIFIED] [2021-08-28 23:16:29,177 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_44,QUANTIFIED] [2021-08-28 23:16:29,177 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_44,QUANTIFIED] [2021-08-28 23:16:29,177 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_44,QUANTIFIED] [2021-08-28 23:16:29,177 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_44,QUANTIFIED] [2021-08-28 23:16:29,177 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_44,QUANTIFIED] [2021-08-28 23:16:29,178 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_44,QUANTIFIED] [2021-08-28 23:16:29,178 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_44,QUANTIFIED] [2021-08-28 23:16:29,178 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_44,QUANTIFIED] [2021-08-28 23:16:29,178 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_189,QUANTIFIED] [2021-08-28 23:16:29,178 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_189,QUANTIFIED] [2021-08-28 23:16:29,178 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_189,QUANTIFIED] [2021-08-28 23:16:29,179 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_189,QUANTIFIED] [2021-08-28 23:16:29,179 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_189,QUANTIFIED] [2021-08-28 23:16:29,179 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_189,QUANTIFIED] Derived loop invariant: ((((((unknown-#memory_int-unknown[a][a + 4] == 0 && 2 <= i) && (\exists v_ULTIMATE.start_main_~i~0_44 : int :: (unknown-#memory_int-unknown[a][a + v_ULTIMATE.start_main_~i~0_44 * 4] == 0 && SIZE <= v_ULTIMATE.start_main_~i~0_44 + 1) && v_ULTIMATE.start_main_~i~0_44 <= 2)) && !(0 == cond)) || ((((i <= 1 && 1 <= i) && (\exists v_ULTIMATE.start_main_~i~0_44 : int :: (unknown-#memory_int-unknown[a][a + v_ULTIMATE.start_main_~i~0_44 * 4] == 0 && SIZE <= v_ULTIMATE.start_main_~i~0_44 + 1) && v_ULTIMATE.start_main_~i~0_44 <= 2)) && unknown-#memory_int-unknown[a][a + i * 4] == 0) && !(0 == cond))) || ((((unknown-#memory_int-unknown[a][a + 4] == 0 && (\exists v_ULTIMATE.start_main_~i~0_44 : int :: (unknown-#memory_int-unknown[a][a + v_ULTIMATE.start_main_~i~0_44 * 4] == 0 && SIZE <= v_ULTIMATE.start_main_~i~0_44 + 1) && v_ULTIMATE.start_main_~i~0_44 <= 2)) && i == 0) && a == 0) && unknown-#memory_int-unknown[a][a + i * 4] == 0)) || (((((((unknown-#memory_int-unknown[a][a + 8] == 0 && unknown-#memory_int-unknown[a][a + 4] == 0) && (SIZE <= i || unknown-#memory_int-unknown[a][a + i * 4] == 0)) && unknown-#memory_int-unknown[a][12] == 0) && unknown-#memory_int-unknown[a][a + 20] == 0) && a == 0) && !(0 == cond)) && (forall v_ULTIMATE.start_main_~i~0_189 : int :: (v_ULTIMATE.start_main_~i~0_189 < i + 1 || SIZE <= v_ULTIMATE.start_main_~i~0_189) || unknown-#memory_int-unknown[a][v_ULTIMATE.start_main_~i~0_189 * 4 + a] == 0))) || ((((((((((unknown-#memory_int-unknown[a][a + 8] == 0 && unknown-#memory_int-unknown[a][a + 4] == 0) && unknown-#memory_int-unknown[a][12] == 0) && unknown-#memory_int-unknown[a][a + 16] == 0) && (forall v_ULTIMATE.start_main_~i~0_189 : int :: (SIZE <= v_ULTIMATE.start_main_~i~0_189 || unknown-#memory_int-unknown[a][v_ULTIMATE.start_main_~i~0_189 * 4 + a] == 0) || v_ULTIMATE.start_main_~i~0_189 < i + 7)) && i == 0) && unknown-#memory_int-unknown[a][a + 28] == 0) && unknown-#memory_int-unknown[a][a + 20] == 0) && a == 0) && unknown-#memory_int-unknown[a][a + i * 4] == 0) && unknown-#memory_int-unknown[a][a + 24] == 0) - InvariantResult [Line: 24]: Loop Invariant [2021-08-28 23:16:29,180 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_44,QUANTIFIED] [2021-08-28 23:16:29,180 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_44,QUANTIFIED] [2021-08-28 23:16:29,181 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_44,QUANTIFIED] [2021-08-28 23:16:29,181 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_112,QUANTIFIED] [2021-08-28 23:16:29,181 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_112,QUANTIFIED] [2021-08-28 23:16:29,181 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_112,QUANTIFIED] [2021-08-28 23:16:29,181 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_112,QUANTIFIED] [2021-08-28 23:16:29,182 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_94,QUANTIFIED] [2021-08-28 23:16:29,182 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_94,QUANTIFIED] [2021-08-28 23:16:29,182 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~i~0,QUANTIFIED] [2021-08-28 23:16:29,182 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~i~0,QUANTIFIED] [2021-08-28 23:16:29,182 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_94,QUANTIFIED] [2021-08-28 23:16:29,182 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_94,QUANTIFIED] [2021-08-28 23:16:29,183 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_156,QUANTIFIED] [2021-08-28 23:16:29,183 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_156,QUANTIFIED] [2021-08-28 23:16:29,183 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_156,QUANTIFIED] [2021-08-28 23:16:29,183 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_156,QUANTIFIED] [2021-08-28 23:16:29,183 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_180,QUANTIFIED] [2021-08-28 23:16:29,183 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_180,QUANTIFIED] [2021-08-28 23:16:29,184 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_180,QUANTIFIED] [2021-08-28 23:16:29,184 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_112,QUANTIFIED] [2021-08-28 23:16:29,184 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_112,QUANTIFIED] [2021-08-28 23:16:29,184 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_112,QUANTIFIED] [2021-08-28 23:16:29,184 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~i~0,QUANTIFIED] [2021-08-28 23:16:29,184 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~i~0,QUANTIFIED] [2021-08-28 23:16:29,185 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_112,QUANTIFIED] [2021-08-28 23:16:29,185 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_189,QUANTIFIED] [2021-08-28 23:16:29,185 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_189,QUANTIFIED] [2021-08-28 23:16:29,185 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_189,QUANTIFIED] [2021-08-28 23:16:29,185 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_94,QUANTIFIED] [2021-08-28 23:16:29,185 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_94,QUANTIFIED] [2021-08-28 23:16:29,186 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_94,QUANTIFIED] [2021-08-28 23:16:29,186 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_94,QUANTIFIED] [2021-08-28 23:16:29,186 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_79,QUANTIFIED] [2021-08-28 23:16:29,186 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_79,QUANTIFIED] [2021-08-28 23:16:29,186 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_79,QUANTIFIED] [2021-08-28 23:16:29,187 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~i~0,QUANTIFIED] [2021-08-28 23:16:29,187 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_79,QUANTIFIED] [2021-08-28 23:16:29,187 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~i~0,QUANTIFIED] [2021-08-28 23:16:29,187 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_79,QUANTIFIED] [2021-08-28 23:16:29,187 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_79,QUANTIFIED] [2021-08-28 23:16:29,187 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_79,QUANTIFIED] [2021-08-28 23:16:29,188 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_79,QUANTIFIED] [2021-08-28 23:16:29,188 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_67,QUANTIFIED] [2021-08-28 23:16:29,188 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_67,QUANTIFIED] [2021-08-28 23:16:29,188 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_67,QUANTIFIED] [2021-08-28 23:16:29,188 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~i~0,QUANTIFIED] [2021-08-28 23:16:29,188 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_67,QUANTIFIED] [2021-08-28 23:16:29,188 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~i~0,QUANTIFIED] [2021-08-28 23:16:29,190 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_44,QUANTIFIED] [2021-08-28 23:16:29,190 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_44,QUANTIFIED] [2021-08-28 23:16:29,191 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_44,QUANTIFIED] [2021-08-28 23:16:29,191 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_112,QUANTIFIED] [2021-08-28 23:16:29,191 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_112,QUANTIFIED] [2021-08-28 23:16:29,191 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_112,QUANTIFIED] [2021-08-28 23:16:29,191 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_112,QUANTIFIED] [2021-08-28 23:16:29,191 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_94,QUANTIFIED] [2021-08-28 23:16:29,192 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_94,QUANTIFIED] [2021-08-28 23:16:29,192 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~i~0,QUANTIFIED] [2021-08-28 23:16:29,192 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~i~0,QUANTIFIED] [2021-08-28 23:16:29,192 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_94,QUANTIFIED] [2021-08-28 23:16:29,192 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_94,QUANTIFIED] [2021-08-28 23:16:29,193 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_156,QUANTIFIED] [2021-08-28 23:16:29,193 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_156,QUANTIFIED] [2021-08-28 23:16:29,193 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_156,QUANTIFIED] [2021-08-28 23:16:29,193 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_156,QUANTIFIED] [2021-08-28 23:16:29,193 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_180,QUANTIFIED] [2021-08-28 23:16:29,193 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_180,QUANTIFIED] [2021-08-28 23:16:29,194 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_180,QUANTIFIED] [2021-08-28 23:16:29,194 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_112,QUANTIFIED] [2021-08-28 23:16:29,194 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_112,QUANTIFIED] [2021-08-28 23:16:29,194 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_112,QUANTIFIED] [2021-08-28 23:16:29,194 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~i~0,QUANTIFIED] [2021-08-28 23:16:29,194 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~i~0,QUANTIFIED] [2021-08-28 23:16:29,195 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_112,QUANTIFIED] [2021-08-28 23:16:29,195 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_189,QUANTIFIED] [2021-08-28 23:16:29,195 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_189,QUANTIFIED] [2021-08-28 23:16:29,195 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_189,QUANTIFIED] [2021-08-28 23:16:29,195 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_94,QUANTIFIED] [2021-08-28 23:16:29,195 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_94,QUANTIFIED] [2021-08-28 23:16:29,196 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_94,QUANTIFIED] [2021-08-28 23:16:29,196 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_94,QUANTIFIED] [2021-08-28 23:16:29,196 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_79,QUANTIFIED] [2021-08-28 23:16:29,196 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_79,QUANTIFIED] [2021-08-28 23:16:29,196 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_79,QUANTIFIED] [2021-08-28 23:16:29,196 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~i~0,QUANTIFIED] [2021-08-28 23:16:29,197 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_79,QUANTIFIED] [2021-08-28 23:16:29,197 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~i~0,QUANTIFIED] [2021-08-28 23:16:29,197 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_79,QUANTIFIED] [2021-08-28 23:16:29,197 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_79,QUANTIFIED] [2021-08-28 23:16:29,197 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_79,QUANTIFIED] [2021-08-28 23:16:29,197 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_79,QUANTIFIED] [2021-08-28 23:16:29,198 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_67,QUANTIFIED] [2021-08-28 23:16:29,198 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_67,QUANTIFIED] [2021-08-28 23:16:29,198 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_67,QUANTIFIED] [2021-08-28 23:16:29,198 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~i~0,QUANTIFIED] [2021-08-28 23:16:29,198 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_67,QUANTIFIED] [2021-08-28 23:16:29,198 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~i~0,QUANTIFIED] Derived loop invariant: (((((((((((2 <= SIZE && SIZE < 100000) && i == 0) && a == 0) && MAX <= 100000) || ((((((unknown-#memory_int-unknown[a][a + 4] == 0 && (\exists v_ULTIMATE.start_main_~i~0_44 : int :: (i <= v_ULTIMATE.start_main_~i~0_44 + 1 && unknown-#memory_int-unknown[a][a + v_ULTIMATE.start_main_~i~0_44 * 4] == 0) && v_ULTIMATE.start_main_~i~0_44 <= 2)) && SIZE < 100000) && unknown-#memory_int-unknown[a][0] == 0) && a == 0) && 11 < 4 * i + a) && MAX <= 100000)) || ((((((unknown-#memory_int-unknown[a][a + 4] == 0 && 2 <= i) && SIZE < 100000) && unknown-#memory_int-unknown[a][0] == 0) && a == 0) && i <= 2) && MAX <= 100000)) || (((((((((unknown-#memory_int-unknown[a][a + 8] == 0 && unknown-#memory_int-unknown[a][a + 4] == 0) && (\exists v_ULTIMATE.start_main_~i~0_112 : int :: ((v_ULTIMATE.start_main_~i~0_112 <= 5 && unknown-#memory_int-unknown[a][a + v_ULTIMATE.start_main_~i~0_112 * 4] == 0) && v_ULTIMATE.start_main_~i~0_112 + 1 <= i) && 5 <= v_ULTIMATE.start_main_~i~0_112)) && unknown-#memory_int-unknown[a][12] == 0) && i <= 6) && SIZE < 100000) && unknown-#memory_int-unknown[a][0] == 0) && (\exists v_ULTIMATE.start_main_~i~0_94 : int, ULTIMATE.start_main_~i~0 : int :: (((v_ULTIMATE.start_main_~i~0_94 <= 4 && v_ULTIMATE.start_main_~i~0_94 + 1 <= ULTIMATE.start_main_~i~0) && unknown-#memory_int-unknown[a][a + ULTIMATE.start_main_~i~0 * 4] == 0) && unknown-#memory_int-unknown[a][v_ULTIMATE.start_main_~i~0_94 * 4 + a] == 0) && 4 <= v_ULTIMATE.start_main_~i~0_94)) && a == 0) && MAX <= 100000)) || ((((((((((unknown-#memory_int-unknown[a][a + 8] == 0 && (\exists v_ULTIMATE.start_main_~i~0_156 : int :: ((unknown-#memory_int-unknown[a][a + v_ULTIMATE.start_main_~i~0_156 * 4] == 0 && v_ULTIMATE.start_main_~i~0_156 <= 6) && v_ULTIMATE.start_main_~i~0_156 + 1 <= i) && 6 <= v_ULTIMATE.start_main_~i~0_156)) && unknown-#memory_int-unknown[a][a + 4] == 0) && unknown-#memory_int-unknown[a][12] == 0) && SIZE < 100000) && (\exists v_ULTIMATE.start_main_~i~0_180 : int :: (v_ULTIMATE.start_main_~i~0_180 <= 7 && unknown-#memory_int-unknown[a][a + v_ULTIMATE.start_main_~i~0_180 * 4] == 0) && i <= v_ULTIMATE.start_main_~i~0_180 + 1)) && unknown-#memory_int-unknown[a][0] == 0) && unknown-#memory_int-unknown[a][a + 16] == 0) && (\exists v_ULTIMATE.start_main_~i~0_112 : int, ULTIMATE.start_main_~i~0 : int :: (((v_ULTIMATE.start_main_~i~0_112 <= 5 && unknown-#memory_int-unknown[a][a + v_ULTIMATE.start_main_~i~0_112 * 4] == 0) && v_ULTIMATE.start_main_~i~0_112 + 1 <= ULTIMATE.start_main_~i~0) && unknown-#memory_int-unknown[a][a + ULTIMATE.start_main_~i~0 * 4] == 0) && 5 <= v_ULTIMATE.start_main_~i~0_112)) && a == 0) && MAX <= 100000)) || ((((((((((((unknown-#memory_int-unknown[a][a + 8] == 0 && unknown-#memory_int-unknown[a][a + 4] == 0) && unknown-#memory_int-unknown[a][12] == 0) && SIZE < 100000) && unknown-#memory_int-unknown[a][0] == 0) && unknown-#memory_int-unknown[a][a + 16] == 0) && unknown-#memory_int-unknown[a][a + 28] == 0) && unknown-#memory_int-unknown[a][a + 20] == 0) && a == 0) && i / 65536 <= 250) && (forall v_ULTIMATE.start_main_~i~0_189 : int :: (i <= v_ULTIMATE.start_main_~i~0_189 || v_ULTIMATE.start_main_~i~0_189 < 7) || unknown-#memory_int-unknown[a][v_ULTIMATE.start_main_~i~0_189 * 4 + a] == 0)) && MAX <= 100000) && unknown-#memory_int-unknown[a][a + 24] == 0)) || ((((((((unknown-#memory_int-unknown[a][a + 8] == 0 && unknown-#memory_int-unknown[a][a + 4] == 0) && (\exists v_ULTIMATE.start_main_~i~0_94 : int :: ((v_ULTIMATE.start_main_~i~0_94 <= 4 && v_ULTIMATE.start_main_~i~0_94 + 1 <= i) && unknown-#memory_int-unknown[a][v_ULTIMATE.start_main_~i~0_94 * 4 + a] == 0) && 4 <= v_ULTIMATE.start_main_~i~0_94)) && (\exists ULTIMATE.start_main_~i~0 : int, v_ULTIMATE.start_main_~i~0_79 : int :: (((11 < a + 4 * v_ULTIMATE.start_main_~i~0_79 && v_ULTIMATE.start_main_~i~0_79 <= 3) && unknown-#memory_int-unknown[a][a + v_ULTIMATE.start_main_~i~0_79 * 4] == 0) && unknown-#memory_int-unknown[a][a + ULTIMATE.start_main_~i~0 * 4] == 0) && v_ULTIMATE.start_main_~i~0_79 + 1 <= ULTIMATE.start_main_~i~0)) && i <= 5) && SIZE < 100000) && unknown-#memory_int-unknown[a][0] == 0) && a == 0) && MAX <= 100000)) || ((((((i <= 1 && SIZE < 100000) && 1 <= i) && unknown-#memory_int-unknown[a][a] == 0) && 1 < SIZE) && a == 0) && MAX <= 100000)) || ((((((((\exists v_ULTIMATE.start_main_~i~0_79 : int :: ((11 < a + 4 * v_ULTIMATE.start_main_~i~0_79 && v_ULTIMATE.start_main_~i~0_79 <= 3) && unknown-#memory_int-unknown[a][a + v_ULTIMATE.start_main_~i~0_79 * 4] == 0) && v_ULTIMATE.start_main_~i~0_79 + 1 <= i) && unknown-#memory_int-unknown[a][a + 4] == 0) && i <= 4) && SIZE < 100000) && unknown-#memory_int-unknown[a][0] == 0) && (\exists v_ULTIMATE.start_main_~i~0_67 : int, ULTIMATE.start_main_~i~0 : int :: (((unknown-#memory_int-unknown[a][a + v_ULTIMATE.start_main_~i~0_67 * 4] == 0 && v_ULTIMATE.start_main_~i~0_67 <= 2) && 2 <= v_ULTIMATE.start_main_~i~0_67) && unknown-#memory_int-unknown[a][a + ULTIMATE.start_main_~i~0 * 4] == 0) && v_ULTIMATE.start_main_~i~0_67 + 1 <= ULTIMATE.start_main_~i~0)) && a == 0) && MAX <= 100000) - InvariantResult [Line: 16]: Loop Invariant Derived loop invariant: 1 RESULT: Ultimate proved your program to be correct! [2021-08-28 23:16:29,222 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...