./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/eca-rers2012/Problem02_label40.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version c3fed411 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/eca-rers2012/Problem02_label40.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 f0697d9089c8f644e106fd291328f66f211f5f9eb49bfcc0a5bab680b0bbbbc1 --- Real Ultimate output --- This is Ultimate 0.2.2-tmp.no-commuhash-c3fed41 [2021-12-17 03:28:52,092 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-17 03:28:52,095 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-17 03:28:52,167 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-17 03:28:52,168 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-17 03:28:52,171 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-17 03:28:52,173 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-17 03:28:52,175 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-17 03:28:52,177 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-17 03:28:52,183 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-17 03:28:52,184 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-17 03:28:52,185 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-17 03:28:52,185 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-17 03:28:52,188 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-17 03:28:52,189 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-17 03:28:52,193 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-17 03:28:52,196 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-17 03:28:52,196 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-17 03:28:52,198 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-17 03:28:52,201 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-17 03:28:52,204 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-17 03:28:52,205 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-17 03:28:52,207 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-17 03:28:52,208 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-17 03:28:52,212 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-17 03:28:52,215 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-17 03:28:52,216 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-17 03:28:52,216 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-17 03:28:52,217 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-17 03:28:52,218 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-17 03:28:52,218 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-17 03:28:52,219 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-17 03:28:52,219 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-17 03:28:52,220 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-17 03:28:52,221 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-17 03:28:52,221 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-17 03:28:52,221 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-17 03:28:52,222 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-17 03:28:52,222 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-17 03:28:52,223 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-17 03:28:52,223 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-17 03:28:52,224 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-12-17 03:28:52,250 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-17 03:28:52,251 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-17 03:28:52,251 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-17 03:28:52,252 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-17 03:28:52,252 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-17 03:28:52,253 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-17 03:28:52,253 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-17 03:28:52,253 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-17 03:28:52,253 INFO L138 SettingsManager]: * Use SBE=true [2021-12-17 03:28:52,254 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-17 03:28:52,254 INFO L138 SettingsManager]: * sizeof long=4 [2021-12-17 03:28:52,255 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-17 03:28:52,255 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-12-17 03:28:52,255 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-17 03:28:52,255 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-17 03:28:52,255 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-17 03:28:52,256 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-17 03:28:52,256 INFO L138 SettingsManager]: * sizeof long double=12 [2021-12-17 03:28:52,256 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-17 03:28:52,256 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-17 03:28:52,256 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-17 03:28:52,256 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-17 03:28:52,257 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-17 03:28:52,257 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-17 03:28:52,257 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-17 03:28:52,257 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-17 03:28:52,257 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-17 03:28:52,258 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-17 03:28:52,258 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-17 03:28:52,258 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-17 03:28:52,258 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-17 03:28:52,258 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-17 03:28:52,259 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-17 03:28:52,259 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-17 03:28:52,259 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f0697d9089c8f644e106fd291328f66f211f5f9eb49bfcc0a5bab680b0bbbbc1 [2021-12-17 03:28:52,508 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-17 03:28:52,546 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-17 03:28:52,549 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-17 03:28:52,550 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-17 03:28:52,550 INFO L275 PluginConnector]: CDTParser initialized [2021-12-17 03:28:52,552 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/eca-rers2012/Problem02_label40.c [2021-12-17 03:28:52,620 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e5a873343/815c09f84b354a1db26d2d36ac48bd5c/FLAG499f79572 [2021-12-17 03:28:53,170 INFO L306 CDTParser]: Found 1 translation units. [2021-12-17 03:28:53,187 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/eca-rers2012/Problem02_label40.c [2021-12-17 03:28:53,200 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e5a873343/815c09f84b354a1db26d2d36ac48bd5c/FLAG499f79572 [2021-12-17 03:28:53,637 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e5a873343/815c09f84b354a1db26d2d36ac48bd5c [2021-12-17 03:28:53,641 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-17 03:28:53,643 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-17 03:28:53,644 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-17 03:28:53,645 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-17 03:28:53,648 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-17 03:28:53,648 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.12 03:28:53" (1/1) ... [2021-12-17 03:28:53,649 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@28570922 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 03:28:53, skipping insertion in model container [2021-12-17 03:28:53,650 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.12 03:28:53" (1/1) ... [2021-12-17 03:28:53,654 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-17 03:28:53,702 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-17 03:28:54,022 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/eca-rers2012/Problem02_label40.c[15538,15551] [2021-12-17 03:28:54,054 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-17 03:28:54,060 INFO L203 MainTranslator]: Completed pre-run [2021-12-17 03:28:54,144 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/eca-rers2012/Problem02_label40.c[15538,15551] [2021-12-17 03:28:54,163 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-17 03:28:54,175 INFO L208 MainTranslator]: Completed translation [2021-12-17 03:28:54,176 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 03:28:54 WrapperNode [2021-12-17 03:28:54,176 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-17 03:28:54,177 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-17 03:28:54,177 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-17 03:28:54,177 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-17 03:28:54,196 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 03:28:54" (1/1) ... [2021-12-17 03:28:54,223 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 03:28:54" (1/1) ... [2021-12-17 03:28:54,278 INFO L137 Inliner]: procedures = 14, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 668 [2021-12-17 03:28:54,279 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-17 03:28:54,280 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-17 03:28:54,280 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-17 03:28:54,280 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-17 03:28:54,288 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 03:28:54" (1/1) ... [2021-12-17 03:28:54,288 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 03:28:54" (1/1) ... [2021-12-17 03:28:54,301 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 03:28:54" (1/1) ... [2021-12-17 03:28:54,301 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 03:28:54" (1/1) ... [2021-12-17 03:28:54,318 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 03:28:54" (1/1) ... [2021-12-17 03:28:54,329 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 03:28:54" (1/1) ... [2021-12-17 03:28:54,347 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 03:28:54" (1/1) ... [2021-12-17 03:28:54,353 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-17 03:28:54,353 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-17 03:28:54,354 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-17 03:28:54,354 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-17 03:28:54,355 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 03:28:54" (1/1) ... [2021-12-17 03:28:54,375 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-17 03:28:54,387 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-17 03:28:54,405 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) [2021-12-17 03:28:54,430 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 [2021-12-17 03:28:54,452 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-17 03:28:54,452 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-17 03:28:54,452 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-17 03:28:54,452 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-17 03:28:54,536 INFO L236 CfgBuilder]: Building ICFG [2021-12-17 03:28:54,537 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-17 03:28:55,239 INFO L277 CfgBuilder]: Performing block encoding [2021-12-17 03:28:55,251 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-17 03:28:55,251 INFO L301 CfgBuilder]: Removed 1 assume(true) statements. [2021-12-17 03:28:55,254 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.12 03:28:55 BoogieIcfgContainer [2021-12-17 03:28:55,254 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-17 03:28:55,256 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-17 03:28:55,256 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-17 03:28:55,259 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-17 03:28:55,260 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 17.12 03:28:53" (1/3) ... [2021-12-17 03:28:55,260 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4a846d6c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.12 03:28:55, skipping insertion in model container [2021-12-17 03:28:55,260 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 03:28:54" (2/3) ... [2021-12-17 03:28:55,261 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4a846d6c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.12 03:28:55, skipping insertion in model container [2021-12-17 03:28:55,261 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.12 03:28:55" (3/3) ... [2021-12-17 03:28:55,262 INFO L111 eAbstractionObserver]: Analyzing ICFG Problem02_label40.c [2021-12-17 03:28:55,267 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-17 03:28:55,267 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-12-17 03:28:55,318 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-17 03:28:55,323 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, mAutomataTypeConcurrency=PETRI_NET, 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 [2021-12-17 03:28:55,323 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-12-17 03:28:55,353 INFO L276 IsEmpty]: Start isEmpty. Operand has 227 states, 225 states have (on average 1.6666666666666667) internal successors, (375), 226 states have internal predecessors, (375), 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) [2021-12-17 03:28:55,363 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2021-12-17 03:28:55,363 INFO L506 BasicCegarLoop]: Found error trace [2021-12-17 03:28:55,364 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-17 03:28:55,365 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-17 03:28:55,369 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-17 03:28:55,369 INFO L85 PathProgramCache]: Analyzing trace with hash 427661899, now seen corresponding path program 1 times [2021-12-17 03:28:55,376 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-17 03:28:55,376 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [27149258] [2021-12-17 03:28:55,377 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-17 03:28:55,377 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-17 03:28:55,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 03:28:55,702 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-17 03:28:55,703 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-17 03:28:55,703 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [27149258] [2021-12-17 03:28:55,704 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [27149258] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-17 03:28:55,704 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-17 03:28:55,705 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-12-17 03:28:55,706 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1436453203] [2021-12-17 03:28:55,707 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-17 03:28:55,712 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-17 03:28:55,712 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-17 03:28:55,740 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-17 03:28:55,742 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-17 03:28:55,746 INFO L87 Difference]: Start difference. First operand has 227 states, 225 states have (on average 1.6666666666666667) internal successors, (375), 226 states have internal predecessors, (375), 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 3 states, 3 states have (on average 29.666666666666668) internal successors, (89), 2 states have internal predecessors, (89), 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) [2021-12-17 03:28:56,430 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-17 03:28:56,431 INFO L93 Difference]: Finished difference Result 630 states and 1070 transitions. [2021-12-17 03:28:56,432 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-17 03:28:56,433 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 29.666666666666668) internal successors, (89), 2 states have internal predecessors, (89), 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 89 [2021-12-17 03:28:56,434 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-17 03:28:56,445 INFO L225 Difference]: With dead ends: 630 [2021-12-17 03:28:56,445 INFO L226 Difference]: Without dead ends: 318 [2021-12-17 03:28:56,449 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-17 03:28:56,453 INFO L933 BasicCegarLoop]: 96 mSDtfsCounter, 141 mSDsluCounter, 23 mSDsCounter, 0 mSdLazyCounter, 492 mSolverCounterSat, 68 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 141 SdHoareTripleChecker+Valid, 119 SdHoareTripleChecker+Invalid, 560 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 68 IncrementalHoareTripleChecker+Valid, 492 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2021-12-17 03:28:56,454 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [141 Valid, 119 Invalid, 560 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [68 Valid, 492 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2021-12-17 03:28:56,474 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 318 states. [2021-12-17 03:28:56,508 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 318 to 318. [2021-12-17 03:28:56,510 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 318 states, 317 states have (on average 1.473186119873817) internal successors, (467), 317 states have internal predecessors, (467), 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) [2021-12-17 03:28:56,512 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 318 states to 318 states and 467 transitions. [2021-12-17 03:28:56,513 INFO L78 Accepts]: Start accepts. Automaton has 318 states and 467 transitions. Word has length 89 [2021-12-17 03:28:56,513 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-17 03:28:56,513 INFO L470 AbstractCegarLoop]: Abstraction has 318 states and 467 transitions. [2021-12-17 03:28:56,514 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 29.666666666666668) internal successors, (89), 2 states have internal predecessors, (89), 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) [2021-12-17 03:28:56,514 INFO L276 IsEmpty]: Start isEmpty. Operand 318 states and 467 transitions. [2021-12-17 03:28:56,516 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2021-12-17 03:28:56,517 INFO L506 BasicCegarLoop]: Found error trace [2021-12-17 03:28:56,517 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-17 03:28:56,517 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-12-17 03:28:56,518 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-17 03:28:56,518 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-17 03:28:56,518 INFO L85 PathProgramCache]: Analyzing trace with hash 1584478528, now seen corresponding path program 1 times [2021-12-17 03:28:56,519 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-17 03:28:56,519 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [153735861] [2021-12-17 03:28:56,519 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-17 03:28:56,519 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-17 03:28:56,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 03:28:56,692 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-17 03:28:56,693 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-17 03:28:56,693 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [153735861] [2021-12-17 03:28:56,693 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [153735861] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-17 03:28:56,694 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-17 03:28:56,694 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-17 03:28:56,694 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1794868614] [2021-12-17 03:28:56,694 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-17 03:28:56,696 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-17 03:28:56,696 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-17 03:28:56,697 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-17 03:28:56,698 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-12-17 03:28:56,698 INFO L87 Difference]: Start difference. First operand 318 states and 467 transitions. Second operand has 4 states, 4 states have (on average 23.25) internal successors, (93), 3 states have internal predecessors, (93), 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) [2021-12-17 03:28:57,333 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-17 03:28:57,333 INFO L93 Difference]: Finished difference Result 999 states and 1508 transitions. [2021-12-17 03:28:57,334 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-12-17 03:28:57,334 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 23.25) internal successors, (93), 3 states have internal predecessors, (93), 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 93 [2021-12-17 03:28:57,335 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-17 03:28:57,337 INFO L225 Difference]: With dead ends: 999 [2021-12-17 03:28:57,338 INFO L226 Difference]: Without dead ends: 600 [2021-12-17 03:28:57,339 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-12-17 03:28:57,341 INFO L933 BasicCegarLoop]: 80 mSDtfsCounter, 173 mSDsluCounter, 33 mSDsCounter, 0 mSdLazyCounter, 665 mSolverCounterSat, 135 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 173 SdHoareTripleChecker+Valid, 113 SdHoareTripleChecker+Invalid, 800 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 135 IncrementalHoareTripleChecker+Valid, 665 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2021-12-17 03:28:57,341 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [173 Valid, 113 Invalid, 800 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [135 Valid, 665 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2021-12-17 03:28:57,343 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 600 states. [2021-12-17 03:28:57,381 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 600 to 600. [2021-12-17 03:28:57,389 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 600 states, 599 states have (on average 1.358931552587646) internal successors, (814), 599 states have internal predecessors, (814), 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) [2021-12-17 03:28:57,390 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 600 states to 600 states and 814 transitions. [2021-12-17 03:28:57,390 INFO L78 Accepts]: Start accepts. Automaton has 600 states and 814 transitions. Word has length 93 [2021-12-17 03:28:57,391 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-17 03:28:57,391 INFO L470 AbstractCegarLoop]: Abstraction has 600 states and 814 transitions. [2021-12-17 03:28:57,392 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 23.25) internal successors, (93), 3 states have internal predecessors, (93), 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) [2021-12-17 03:28:57,392 INFO L276 IsEmpty]: Start isEmpty. Operand 600 states and 814 transitions. [2021-12-17 03:28:57,395 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2021-12-17 03:28:57,398 INFO L506 BasicCegarLoop]: Found error trace [2021-12-17 03:28:57,399 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-17 03:28:57,399 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-12-17 03:28:57,400 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-17 03:28:57,400 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-17 03:28:57,401 INFO L85 PathProgramCache]: Analyzing trace with hash -1935066262, now seen corresponding path program 1 times [2021-12-17 03:28:57,401 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-17 03:28:57,402 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [985543060] [2021-12-17 03:28:57,402 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-17 03:28:57,402 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-17 03:28:57,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 03:28:57,464 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-17 03:28:57,466 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-17 03:28:57,466 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [985543060] [2021-12-17 03:28:57,466 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [985543060] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-17 03:28:57,466 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-17 03:28:57,467 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-12-17 03:28:57,467 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [603426486] [2021-12-17 03:28:57,467 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-17 03:28:57,467 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-17 03:28:57,469 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-17 03:28:57,469 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-17 03:28:57,469 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-17 03:28:57,470 INFO L87 Difference]: Start difference. First operand 600 states and 814 transitions. Second operand has 3 states, 3 states have (on average 35.666666666666664) internal successors, (107), 2 states have internal predecessors, (107), 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) [2021-12-17 03:28:57,843 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-17 03:28:57,843 INFO L93 Difference]: Finished difference Result 1781 states and 2421 transitions. [2021-12-17 03:28:57,845 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-17 03:28:57,845 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 35.666666666666664) internal successors, (107), 2 states have internal predecessors, (107), 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 107 [2021-12-17 03:28:57,845 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-17 03:28:57,850 INFO L225 Difference]: With dead ends: 1781 [2021-12-17 03:28:57,850 INFO L226 Difference]: Without dead ends: 1183 [2021-12-17 03:28:57,851 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-17 03:28:57,852 INFO L933 BasicCegarLoop]: 71 mSDtfsCounter, 158 mSDsluCounter, 28 mSDsCounter, 0 mSdLazyCounter, 370 mSolverCounterSat, 59 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 158 SdHoareTripleChecker+Valid, 99 SdHoareTripleChecker+Invalid, 429 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 59 IncrementalHoareTripleChecker+Valid, 370 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2021-12-17 03:28:57,852 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [158 Valid, 99 Invalid, 429 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [59 Valid, 370 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2021-12-17 03:28:57,854 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1183 states. [2021-12-17 03:28:57,877 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1183 to 1173. [2021-12-17 03:28:57,879 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1173 states, 1172 states have (on average 1.3131399317406143) internal successors, (1539), 1172 states have internal predecessors, (1539), 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) [2021-12-17 03:28:57,882 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1173 states to 1173 states and 1539 transitions. [2021-12-17 03:28:57,883 INFO L78 Accepts]: Start accepts. Automaton has 1173 states and 1539 transitions. Word has length 107 [2021-12-17 03:28:57,883 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-17 03:28:57,883 INFO L470 AbstractCegarLoop]: Abstraction has 1173 states and 1539 transitions. [2021-12-17 03:28:57,884 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 35.666666666666664) internal successors, (107), 2 states have internal predecessors, (107), 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) [2021-12-17 03:28:57,884 INFO L276 IsEmpty]: Start isEmpty. Operand 1173 states and 1539 transitions. [2021-12-17 03:28:57,886 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2021-12-17 03:28:57,886 INFO L506 BasicCegarLoop]: Found error trace [2021-12-17 03:28:57,887 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-17 03:28:57,887 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-12-17 03:28:57,887 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-17 03:28:57,888 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-17 03:28:57,888 INFO L85 PathProgramCache]: Analyzing trace with hash 1355718265, now seen corresponding path program 1 times [2021-12-17 03:28:57,888 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-17 03:28:57,888 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1210643591] [2021-12-17 03:28:57,888 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-17 03:28:57,889 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-17 03:28:57,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 03:28:57,957 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 23 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-17 03:28:57,958 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-17 03:28:57,958 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1210643591] [2021-12-17 03:28:57,958 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1210643591] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-17 03:28:57,958 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-17 03:28:57,958 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-12-17 03:28:57,959 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1960750412] [2021-12-17 03:28:57,959 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-17 03:28:57,959 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-17 03:28:57,959 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-17 03:28:57,960 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-17 03:28:57,960 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-17 03:28:57,960 INFO L87 Difference]: Start difference. First operand 1173 states and 1539 transitions. Second operand has 3 states, 3 states have (on average 37.666666666666664) internal successors, (113), 2 states have internal predecessors, (113), 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) [2021-12-17 03:28:58,404 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-17 03:28:58,404 INFO L93 Difference]: Finished difference Result 3329 states and 4392 transitions. [2021-12-17 03:28:58,404 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-17 03:28:58,405 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 37.666666666666664) internal successors, (113), 2 states have internal predecessors, (113), 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 113 [2021-12-17 03:28:58,405 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-17 03:28:58,412 INFO L225 Difference]: With dead ends: 3329 [2021-12-17 03:28:58,413 INFO L226 Difference]: Without dead ends: 2158 [2021-12-17 03:28:58,416 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-17 03:28:58,417 INFO L933 BasicCegarLoop]: 111 mSDtfsCounter, 125 mSDsluCounter, 17 mSDsCounter, 0 mSdLazyCounter, 368 mSolverCounterSat, 77 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 125 SdHoareTripleChecker+Valid, 128 SdHoareTripleChecker+Invalid, 445 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 77 IncrementalHoareTripleChecker+Valid, 368 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2021-12-17 03:28:58,419 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [125 Valid, 128 Invalid, 445 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [77 Valid, 368 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2021-12-17 03:28:58,425 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2158 states. [2021-12-17 03:28:58,465 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2158 to 2155. [2021-12-17 03:28:58,468 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2155 states, 2154 states have (on average 1.201949860724234) internal successors, (2589), 2154 states have internal predecessors, (2589), 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) [2021-12-17 03:28:58,474 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2155 states to 2155 states and 2589 transitions. [2021-12-17 03:28:58,474 INFO L78 Accepts]: Start accepts. Automaton has 2155 states and 2589 transitions. Word has length 113 [2021-12-17 03:28:58,474 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-17 03:28:58,475 INFO L470 AbstractCegarLoop]: Abstraction has 2155 states and 2589 transitions. [2021-12-17 03:28:58,475 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 37.666666666666664) internal successors, (113), 2 states have internal predecessors, (113), 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) [2021-12-17 03:28:58,475 INFO L276 IsEmpty]: Start isEmpty. Operand 2155 states and 2589 transitions. [2021-12-17 03:28:58,478 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2021-12-17 03:28:58,478 INFO L506 BasicCegarLoop]: Found error trace [2021-12-17 03:28:58,478 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-17 03:28:58,478 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-12-17 03:28:58,479 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-17 03:28:58,479 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-17 03:28:58,479 INFO L85 PathProgramCache]: Analyzing trace with hash -1989413815, now seen corresponding path program 1 times [2021-12-17 03:28:58,480 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-17 03:28:58,480 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [117361489] [2021-12-17 03:28:58,480 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-17 03:28:58,480 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-17 03:28:58,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 03:28:58,641 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 18 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-17 03:28:58,641 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-17 03:28:58,642 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [117361489] [2021-12-17 03:28:58,642 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [117361489] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-17 03:28:58,642 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1321381842] [2021-12-17 03:28:58,642 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-17 03:28:58,643 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-17 03:28:58,643 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-17 03:28:58,644 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) [2021-12-17 03:28:58,681 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-12-17 03:28:58,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 03:28:58,741 INFO L263 TraceCheckSpWp]: Trace formula consists of 253 conjuncts, 2 conjunts are in the unsatisfiable core [2021-12-17 03:28:58,747 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-17 03:28:59,084 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-12-17 03:28:59,084 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-17 03:28:59,085 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1321381842] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-17 03:28:59,085 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-12-17 03:28:59,085 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 6 [2021-12-17 03:28:59,085 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [652608344] [2021-12-17 03:28:59,085 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-17 03:28:59,086 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-17 03:28:59,086 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-17 03:28:59,086 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-17 03:28:59,086 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2021-12-17 03:28:59,086 INFO L87 Difference]: Start difference. First operand 2155 states and 2589 transitions. Second operand has 3 states, 3 states have (on average 36.333333333333336) internal successors, (109), 3 states have internal predecessors, (109), 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) [2021-12-17 03:28:59,524 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-17 03:28:59,524 INFO L93 Difference]: Finished difference Result 5008 states and 6126 transitions. [2021-12-17 03:28:59,524 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-17 03:28:59,525 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 36.333333333333336) internal successors, (109), 3 states have internal predecessors, (109), 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 116 [2021-12-17 03:28:59,525 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-17 03:28:59,533 INFO L225 Difference]: With dead ends: 5008 [2021-12-17 03:28:59,533 INFO L226 Difference]: Without dead ends: 2145 [2021-12-17 03:28:59,537 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 119 GetRequests, 115 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2021-12-17 03:28:59,538 INFO L933 BasicCegarLoop]: 251 mSDtfsCounter, 57 mSDsluCounter, 24 mSDsCounter, 0 mSdLazyCounter, 342 mSolverCounterSat, 87 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 57 SdHoareTripleChecker+Valid, 275 SdHoareTripleChecker+Invalid, 429 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 87 IncrementalHoareTripleChecker+Valid, 342 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2021-12-17 03:28:59,538 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [57 Valid, 275 Invalid, 429 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [87 Valid, 342 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2021-12-17 03:28:59,541 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2145 states. [2021-12-17 03:28:59,567 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2145 to 2145. [2021-12-17 03:28:59,570 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2145 states, 2144 states have (on average 1.1744402985074627) internal successors, (2518), 2144 states have internal predecessors, (2518), 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) [2021-12-17 03:28:59,576 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2145 states to 2145 states and 2518 transitions. [2021-12-17 03:28:59,577 INFO L78 Accepts]: Start accepts. Automaton has 2145 states and 2518 transitions. Word has length 116 [2021-12-17 03:28:59,577 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-17 03:28:59,577 INFO L470 AbstractCegarLoop]: Abstraction has 2145 states and 2518 transitions. [2021-12-17 03:28:59,577 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 36.333333333333336) internal successors, (109), 3 states have internal predecessors, (109), 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) [2021-12-17 03:28:59,578 INFO L276 IsEmpty]: Start isEmpty. Operand 2145 states and 2518 transitions. [2021-12-17 03:28:59,580 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2021-12-17 03:28:59,580 INFO L506 BasicCegarLoop]: Found error trace [2021-12-17 03:28:59,580 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-17 03:28:59,609 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2021-12-17 03:28:59,795 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-17 03:28:59,796 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-17 03:28:59,797 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-17 03:28:59,797 INFO L85 PathProgramCache]: Analyzing trace with hash 443706062, now seen corresponding path program 1 times [2021-12-17 03:28:59,797 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-17 03:28:59,797 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1690568680] [2021-12-17 03:28:59,797 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-17 03:28:59,797 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-17 03:28:59,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 03:28:59,877 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 32 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-17 03:28:59,877 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-17 03:28:59,877 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1690568680] [2021-12-17 03:28:59,877 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1690568680] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-17 03:28:59,878 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-17 03:28:59,878 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-17 03:28:59,878 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [35772208] [2021-12-17 03:28:59,878 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-17 03:28:59,878 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-17 03:28:59,879 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-17 03:28:59,879 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-17 03:28:59,880 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-12-17 03:28:59,880 INFO L87 Difference]: Start difference. First operand 2145 states and 2518 transitions. Second operand has 5 states, 5 states have (on average 23.6) internal successors, (118), 4 states have internal predecessors, (118), 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) [2021-12-17 03:29:00,542 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-17 03:29:00,543 INFO L93 Difference]: Finished difference Result 4902 states and 5756 transitions. [2021-12-17 03:29:00,543 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-17 03:29:00,543 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 23.6) internal successors, (118), 4 states have internal predecessors, (118), 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 118 [2021-12-17 03:29:00,544 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-17 03:29:00,550 INFO L225 Difference]: With dead ends: 4902 [2021-12-17 03:29:00,551 INFO L226 Difference]: Without dead ends: 2187 [2021-12-17 03:29:00,554 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2021-12-17 03:29:00,555 INFO L933 BasicCegarLoop]: 64 mSDtfsCounter, 447 mSDsluCounter, 47 mSDsCounter, 0 mSdLazyCounter, 825 mSolverCounterSat, 153 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 447 SdHoareTripleChecker+Valid, 111 SdHoareTripleChecker+Invalid, 978 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 153 IncrementalHoareTripleChecker+Valid, 825 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2021-12-17 03:29:00,555 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [447 Valid, 111 Invalid, 978 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [153 Valid, 825 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2021-12-17 03:29:00,558 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2187 states. [2021-12-17 03:29:00,583 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2187 to 2145. [2021-12-17 03:29:00,586 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2145 states, 2144 states have (on average 1.131063432835821) internal successors, (2425), 2144 states have internal predecessors, (2425), 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) [2021-12-17 03:29:00,591 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2145 states to 2145 states and 2425 transitions. [2021-12-17 03:29:00,591 INFO L78 Accepts]: Start accepts. Automaton has 2145 states and 2425 transitions. Word has length 118 [2021-12-17 03:29:00,591 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-17 03:29:00,591 INFO L470 AbstractCegarLoop]: Abstraction has 2145 states and 2425 transitions. [2021-12-17 03:29:00,592 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 23.6) internal successors, (118), 4 states have internal predecessors, (118), 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) [2021-12-17 03:29:00,592 INFO L276 IsEmpty]: Start isEmpty. Operand 2145 states and 2425 transitions. [2021-12-17 03:29:00,594 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2021-12-17 03:29:00,594 INFO L506 BasicCegarLoop]: Found error trace [2021-12-17 03:29:00,594 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-17 03:29:00,595 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-12-17 03:29:00,595 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-17 03:29:00,595 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-17 03:29:00,595 INFO L85 PathProgramCache]: Analyzing trace with hash -1019939816, now seen corresponding path program 1 times [2021-12-17 03:29:00,596 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-17 03:29:00,596 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [547046720] [2021-12-17 03:29:00,596 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-17 03:29:00,596 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-17 03:29:00,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 03:29:00,628 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 40 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-17 03:29:00,629 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-17 03:29:00,629 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [547046720] [2021-12-17 03:29:00,629 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [547046720] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-17 03:29:00,629 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-17 03:29:00,629 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-17 03:29:00,630 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [75711627] [2021-12-17 03:29:00,630 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-17 03:29:00,630 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-17 03:29:00,630 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-17 03:29:00,631 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-17 03:29:00,631 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-17 03:29:00,631 INFO L87 Difference]: Start difference. First operand 2145 states and 2425 transitions. Second operand has 3 states, 3 states have (on average 40.666666666666664) internal successors, (122), 3 states have internal predecessors, (122), 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) [2021-12-17 03:29:00,947 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-17 03:29:00,947 INFO L93 Difference]: Finished difference Result 4288 states and 4851 transitions. [2021-12-17 03:29:00,948 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-17 03:29:00,948 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 40.666666666666664) internal successors, (122), 3 states have internal predecessors, (122), 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 122 [2021-12-17 03:29:00,948 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-17 03:29:00,954 INFO L225 Difference]: With dead ends: 4288 [2021-12-17 03:29:00,954 INFO L226 Difference]: Without dead ends: 1865 [2021-12-17 03:29:00,956 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-17 03:29:00,957 INFO L933 BasicCegarLoop]: 207 mSDtfsCounter, 138 mSDsluCounter, 23 mSDsCounter, 0 mSdLazyCounter, 311 mSolverCounterSat, 46 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 138 SdHoareTripleChecker+Valid, 230 SdHoareTripleChecker+Invalid, 357 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 46 IncrementalHoareTripleChecker+Valid, 311 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2021-12-17 03:29:00,957 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [138 Valid, 230 Invalid, 357 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [46 Valid, 311 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2021-12-17 03:29:00,959 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1865 states. [2021-12-17 03:29:00,979 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1865 to 1857. [2021-12-17 03:29:00,982 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1857 states, 1856 states have (on average 1.0991379310344827) internal successors, (2040), 1856 states have internal predecessors, (2040), 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) [2021-12-17 03:29:00,986 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1857 states to 1857 states and 2040 transitions. [2021-12-17 03:29:00,986 INFO L78 Accepts]: Start accepts. Automaton has 1857 states and 2040 transitions. Word has length 122 [2021-12-17 03:29:00,986 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-17 03:29:00,987 INFO L470 AbstractCegarLoop]: Abstraction has 1857 states and 2040 transitions. [2021-12-17 03:29:00,987 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 40.666666666666664) internal successors, (122), 3 states have internal predecessors, (122), 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) [2021-12-17 03:29:00,987 INFO L276 IsEmpty]: Start isEmpty. Operand 1857 states and 2040 transitions. [2021-12-17 03:29:00,989 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2021-12-17 03:29:00,989 INFO L506 BasicCegarLoop]: Found error trace [2021-12-17 03:29:00,990 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-17 03:29:00,990 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-12-17 03:29:00,990 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-17 03:29:00,991 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-17 03:29:00,991 INFO L85 PathProgramCache]: Analyzing trace with hash 710747632, now seen corresponding path program 1 times [2021-12-17 03:29:00,991 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-17 03:29:00,991 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [933351709] [2021-12-17 03:29:00,991 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-17 03:29:00,991 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-17 03:29:01,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 03:29:01,030 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 66 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2021-12-17 03:29:01,031 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-17 03:29:01,031 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [933351709] [2021-12-17 03:29:01,031 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [933351709] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-17 03:29:01,031 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-17 03:29:01,031 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-17 03:29:01,031 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [669548240] [2021-12-17 03:29:01,032 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-17 03:29:01,032 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-17 03:29:01,032 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-17 03:29:01,033 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-17 03:29:01,033 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-17 03:29:01,033 INFO L87 Difference]: Start difference. First operand 1857 states and 2040 transitions. Second operand has 3 states, 3 states have (on average 43.666666666666664) internal successors, (131), 3 states have internal predecessors, (131), 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) [2021-12-17 03:29:01,352 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-17 03:29:01,353 INFO L93 Difference]: Finished difference Result 4413 states and 4843 transitions. [2021-12-17 03:29:01,354 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-17 03:29:01,354 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 43.666666666666664) internal successors, (131), 3 states have internal predecessors, (131), 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 140 [2021-12-17 03:29:01,355 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-17 03:29:01,362 INFO L225 Difference]: With dead ends: 4413 [2021-12-17 03:29:01,362 INFO L226 Difference]: Without dead ends: 2558 [2021-12-17 03:29:01,364 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-17 03:29:01,365 INFO L933 BasicCegarLoop]: 210 mSDtfsCounter, 113 mSDsluCounter, 15 mSDsCounter, 0 mSdLazyCounter, 333 mSolverCounterSat, 27 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 113 SdHoareTripleChecker+Valid, 225 SdHoareTripleChecker+Invalid, 360 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 27 IncrementalHoareTripleChecker+Valid, 333 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2021-12-17 03:29:01,365 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [113 Valid, 225 Invalid, 360 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [27 Valid, 333 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2021-12-17 03:29:01,368 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2558 states. [2021-12-17 03:29:01,394 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2558 to 2417. [2021-12-17 03:29:01,397 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2417 states, 2416 states have (on average 1.0819536423841059) internal successors, (2614), 2416 states have internal predecessors, (2614), 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) [2021-12-17 03:29:01,428 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2417 states to 2417 states and 2614 transitions. [2021-12-17 03:29:01,428 INFO L78 Accepts]: Start accepts. Automaton has 2417 states and 2614 transitions. Word has length 140 [2021-12-17 03:29:01,429 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-17 03:29:01,429 INFO L470 AbstractCegarLoop]: Abstraction has 2417 states and 2614 transitions. [2021-12-17 03:29:01,429 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 43.666666666666664) internal successors, (131), 3 states have internal predecessors, (131), 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) [2021-12-17 03:29:01,429 INFO L276 IsEmpty]: Start isEmpty. Operand 2417 states and 2614 transitions. [2021-12-17 03:29:01,432 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2021-12-17 03:29:01,432 INFO L506 BasicCegarLoop]: Found error trace [2021-12-17 03:29:01,432 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-17 03:29:01,433 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-12-17 03:29:01,433 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-17 03:29:01,433 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-17 03:29:01,433 INFO L85 PathProgramCache]: Analyzing trace with hash -1519064898, now seen corresponding path program 1 times [2021-12-17 03:29:01,434 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-17 03:29:01,434 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [884163154] [2021-12-17 03:29:01,434 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-17 03:29:01,434 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-17 03:29:01,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 03:29:01,480 INFO L134 CoverageAnalysis]: Checked inductivity of 93 backedges. 93 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-17 03:29:01,480 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-17 03:29:01,480 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [884163154] [2021-12-17 03:29:01,480 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [884163154] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-17 03:29:01,481 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-17 03:29:01,481 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-17 03:29:01,481 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [873631160] [2021-12-17 03:29:01,481 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-17 03:29:01,481 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-17 03:29:01,482 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-17 03:29:01,482 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-17 03:29:01,482 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-17 03:29:01,482 INFO L87 Difference]: Start difference. First operand 2417 states and 2614 transitions. Second operand has 3 states, 3 states have (on average 53.333333333333336) internal successors, (160), 3 states have internal predecessors, (160), 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) [2021-12-17 03:29:01,797 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-17 03:29:01,797 INFO L93 Difference]: Finished difference Result 5109 states and 5554 transitions. [2021-12-17 03:29:01,798 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-17 03:29:01,798 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 53.333333333333336) internal successors, (160), 3 states have internal predecessors, (160), 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 160 [2021-12-17 03:29:01,798 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-17 03:29:01,805 INFO L225 Difference]: With dead ends: 5109 [2021-12-17 03:29:01,805 INFO L226 Difference]: Without dead ends: 2694 [2021-12-17 03:29:01,808 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-17 03:29:01,810 INFO L933 BasicCegarLoop]: 45 mSDtfsCounter, 138 mSDsluCounter, 9 mSDsCounter, 0 mSdLazyCounter, 323 mSolverCounterSat, 47 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 138 SdHoareTripleChecker+Valid, 54 SdHoareTripleChecker+Invalid, 370 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 47 IncrementalHoareTripleChecker+Valid, 323 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2021-12-17 03:29:01,811 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [138 Valid, 54 Invalid, 370 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [47 Valid, 323 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2021-12-17 03:29:01,814 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2694 states. [2021-12-17 03:29:01,847 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2694 to 2692. [2021-12-17 03:29:01,851 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2692 states, 2691 states have (on average 1.0769230769230769) internal successors, (2898), 2691 states have internal predecessors, (2898), 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) [2021-12-17 03:29:01,856 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2692 states to 2692 states and 2898 transitions. [2021-12-17 03:29:01,856 INFO L78 Accepts]: Start accepts. Automaton has 2692 states and 2898 transitions. Word has length 160 [2021-12-17 03:29:01,857 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-17 03:29:01,857 INFO L470 AbstractCegarLoop]: Abstraction has 2692 states and 2898 transitions. [2021-12-17 03:29:01,857 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 53.333333333333336) internal successors, (160), 3 states have internal predecessors, (160), 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) [2021-12-17 03:29:01,858 INFO L276 IsEmpty]: Start isEmpty. Operand 2692 states and 2898 transitions. [2021-12-17 03:29:01,860 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2021-12-17 03:29:01,860 INFO L506 BasicCegarLoop]: Found error trace [2021-12-17 03:29:01,861 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-17 03:29:01,861 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-12-17 03:29:01,861 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-17 03:29:01,861 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-17 03:29:01,861 INFO L85 PathProgramCache]: Analyzing trace with hash -137291506, now seen corresponding path program 1 times [2021-12-17 03:29:01,862 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-17 03:29:01,862 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1620501891] [2021-12-17 03:29:01,862 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-17 03:29:01,862 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-17 03:29:01,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 03:29:01,926 INFO L134 CoverageAnalysis]: Checked inductivity of 119 backedges. 109 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2021-12-17 03:29:01,926 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-17 03:29:01,926 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1620501891] [2021-12-17 03:29:01,926 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1620501891] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-17 03:29:01,927 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-17 03:29:01,927 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-17 03:29:01,927 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [558009416] [2021-12-17 03:29:01,927 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-17 03:29:01,928 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-17 03:29:01,928 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-17 03:29:01,928 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-17 03:29:01,928 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-17 03:29:01,929 INFO L87 Difference]: Start difference. First operand 2692 states and 2898 transitions. Second operand has 3 states, 3 states have (on average 50.666666666666664) internal successors, (152), 3 states have internal predecessors, (152), 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) [2021-12-17 03:29:02,253 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-17 03:29:02,253 INFO L93 Difference]: Finished difference Result 6084 states and 6571 transitions. [2021-12-17 03:29:02,253 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-17 03:29:02,254 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 50.666666666666664) internal successors, (152), 3 states have internal predecessors, (152), 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 161 [2021-12-17 03:29:02,254 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-17 03:29:02,263 INFO L225 Difference]: With dead ends: 6084 [2021-12-17 03:29:02,263 INFO L226 Difference]: Without dead ends: 3251 [2021-12-17 03:29:02,267 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-17 03:29:02,268 INFO L933 BasicCegarLoop]: 189 mSDtfsCounter, 128 mSDsluCounter, 11 mSDsCounter, 0 mSdLazyCounter, 326 mSolverCounterSat, 42 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 128 SdHoareTripleChecker+Valid, 200 SdHoareTripleChecker+Invalid, 368 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 42 IncrementalHoareTripleChecker+Valid, 326 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2021-12-17 03:29:02,268 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [128 Valid, 200 Invalid, 368 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [42 Valid, 326 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2021-12-17 03:29:02,271 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3251 states. [2021-12-17 03:29:02,305 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3251 to 3250. [2021-12-17 03:29:02,309 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3250 states, 3249 states have (on average 1.0624807633117883) internal successors, (3452), 3249 states have internal predecessors, (3452), 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) [2021-12-17 03:29:02,315 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3250 states to 3250 states and 3452 transitions. [2021-12-17 03:29:02,316 INFO L78 Accepts]: Start accepts. Automaton has 3250 states and 3452 transitions. Word has length 161 [2021-12-17 03:29:02,316 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-17 03:29:02,316 INFO L470 AbstractCegarLoop]: Abstraction has 3250 states and 3452 transitions. [2021-12-17 03:29:02,316 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 50.666666666666664) internal successors, (152), 3 states have internal predecessors, (152), 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) [2021-12-17 03:29:02,316 INFO L276 IsEmpty]: Start isEmpty. Operand 3250 states and 3452 transitions. [2021-12-17 03:29:02,320 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 188 [2021-12-17 03:29:02,320 INFO L506 BasicCegarLoop]: Found error trace [2021-12-17 03:29:02,320 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-17 03:29:02,320 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-12-17 03:29:02,321 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-17 03:29:02,321 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-17 03:29:02,321 INFO L85 PathProgramCache]: Analyzing trace with hash -1685234850, now seen corresponding path program 1 times [2021-12-17 03:29:02,321 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-17 03:29:02,322 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1147129303] [2021-12-17 03:29:02,322 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-17 03:29:02,322 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-17 03:29:02,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 03:29:02,373 INFO L134 CoverageAnalysis]: Checked inductivity of 153 backedges. 122 proven. 0 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2021-12-17 03:29:02,373 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-17 03:29:02,373 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1147129303] [2021-12-17 03:29:02,374 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1147129303] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-17 03:29:02,374 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-17 03:29:02,374 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-17 03:29:02,374 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [76268563] [2021-12-17 03:29:02,374 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-17 03:29:02,375 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-17 03:29:02,375 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-17 03:29:02,375 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-17 03:29:02,375 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-17 03:29:02,376 INFO L87 Difference]: Start difference. First operand 3250 states and 3452 transitions. Second operand has 3 states, 3 states have (on average 52.333333333333336) internal successors, (157), 3 states have internal predecessors, (157), 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) [2021-12-17 03:29:02,686 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-17 03:29:02,687 INFO L93 Difference]: Finished difference Result 6498 states and 6902 transitions. [2021-12-17 03:29:02,687 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-17 03:29:02,688 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 52.333333333333336) internal successors, (157), 3 states have internal predecessors, (157), 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 187 [2021-12-17 03:29:02,688 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-17 03:29:02,697 INFO L225 Difference]: With dead ends: 6498 [2021-12-17 03:29:02,698 INFO L226 Difference]: Without dead ends: 3250 [2021-12-17 03:29:02,701 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-17 03:29:02,702 INFO L933 BasicCegarLoop]: 198 mSDtfsCounter, 139 mSDsluCounter, 13 mSDsCounter, 0 mSdLazyCounter, 322 mSolverCounterSat, 17 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 139 SdHoareTripleChecker+Valid, 211 SdHoareTripleChecker+Invalid, 339 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 322 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2021-12-17 03:29:02,702 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [139 Valid, 211 Invalid, 339 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 322 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2021-12-17 03:29:02,705 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3250 states. [2021-12-17 03:29:02,740 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3250 to 3110. [2021-12-17 03:29:02,744 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3110 states, 3109 states have (on average 1.0604696043743969) internal successors, (3297), 3109 states have internal predecessors, (3297), 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) [2021-12-17 03:29:02,748 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3110 states to 3110 states and 3297 transitions. [2021-12-17 03:29:02,748 INFO L78 Accepts]: Start accepts. Automaton has 3110 states and 3297 transitions. Word has length 187 [2021-12-17 03:29:02,749 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-17 03:29:02,749 INFO L470 AbstractCegarLoop]: Abstraction has 3110 states and 3297 transitions. [2021-12-17 03:29:02,749 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 52.333333333333336) internal successors, (157), 3 states have internal predecessors, (157), 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) [2021-12-17 03:29:02,749 INFO L276 IsEmpty]: Start isEmpty. Operand 3110 states and 3297 transitions. [2021-12-17 03:29:02,752 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 201 [2021-12-17 03:29:02,753 INFO L506 BasicCegarLoop]: Found error trace [2021-12-17 03:29:02,753 INFO L514 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-17 03:29:02,753 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-12-17 03:29:02,753 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-17 03:29:02,754 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-17 03:29:02,754 INFO L85 PathProgramCache]: Analyzing trace with hash 1560166325, now seen corresponding path program 1 times [2021-12-17 03:29:02,754 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-17 03:29:02,754 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1387860368] [2021-12-17 03:29:02,754 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-17 03:29:02,754 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-17 03:29:02,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 03:29:02,815 INFO L134 CoverageAnalysis]: Checked inductivity of 195 backedges. 137 proven. 0 refuted. 0 times theorem prover too weak. 58 trivial. 0 not checked. [2021-12-17 03:29:02,815 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-17 03:29:02,816 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1387860368] [2021-12-17 03:29:02,816 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1387860368] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-17 03:29:02,816 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-17 03:29:02,816 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-17 03:29:02,816 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2145194783] [2021-12-17 03:29:02,816 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-17 03:29:02,817 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-17 03:29:02,817 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-17 03:29:02,817 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-17 03:29:02,817 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-17 03:29:02,818 INFO L87 Difference]: Start difference. First operand 3110 states and 3297 transitions. Second operand has 3 states, 3 states have (on average 52.333333333333336) internal successors, (157), 3 states have internal predecessors, (157), 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) [2021-12-17 03:29:03,094 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-17 03:29:03,094 INFO L93 Difference]: Finished difference Result 6638 states and 7045 transitions. [2021-12-17 03:29:03,094 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-17 03:29:03,095 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 52.333333333333336) internal successors, (157), 3 states have internal predecessors, (157), 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 200 [2021-12-17 03:29:03,095 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-17 03:29:03,105 INFO L225 Difference]: With dead ends: 6638 [2021-12-17 03:29:03,106 INFO L226 Difference]: Without dead ends: 3530 [2021-12-17 03:29:03,110 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-17 03:29:03,111 INFO L933 BasicCegarLoop]: 54 mSDtfsCounter, 157 mSDsluCounter, 11 mSDsCounter, 0 mSdLazyCounter, 317 mSolverCounterSat, 42 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 157 SdHoareTripleChecker+Valid, 65 SdHoareTripleChecker+Invalid, 359 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 42 IncrementalHoareTripleChecker+Valid, 317 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2021-12-17 03:29:03,112 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [157 Valid, 65 Invalid, 359 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [42 Valid, 317 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2021-12-17 03:29:03,117 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3530 states. [2021-12-17 03:29:03,173 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3530 to 3109. [2021-12-17 03:29:03,177 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3109 states, 3108 states have (on average 1.057915057915058) internal successors, (3288), 3108 states have internal predecessors, (3288), 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) [2021-12-17 03:29:03,182 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3109 states to 3109 states and 3288 transitions. [2021-12-17 03:29:03,182 INFO L78 Accepts]: Start accepts. Automaton has 3109 states and 3288 transitions. Word has length 200 [2021-12-17 03:29:03,183 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-17 03:29:03,183 INFO L470 AbstractCegarLoop]: Abstraction has 3109 states and 3288 transitions. [2021-12-17 03:29:03,183 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 52.333333333333336) internal successors, (157), 3 states have internal predecessors, (157), 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) [2021-12-17 03:29:03,183 INFO L276 IsEmpty]: Start isEmpty. Operand 3109 states and 3288 transitions. [2021-12-17 03:29:03,189 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 219 [2021-12-17 03:29:03,189 INFO L506 BasicCegarLoop]: Found error trace [2021-12-17 03:29:03,190 INFO L514 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-17 03:29:03,190 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2021-12-17 03:29:03,190 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-17 03:29:03,190 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-17 03:29:03,191 INFO L85 PathProgramCache]: Analyzing trace with hash 1979281714, now seen corresponding path program 1 times [2021-12-17 03:29:03,191 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-17 03:29:03,191 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1672795261] [2021-12-17 03:29:03,191 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-17 03:29:03,191 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-17 03:29:03,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 03:29:03,270 INFO L134 CoverageAnalysis]: Checked inductivity of 216 backedges. 187 proven. 16 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2021-12-17 03:29:03,270 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-17 03:29:03,270 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1672795261] [2021-12-17 03:29:03,271 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1672795261] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-17 03:29:03,271 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1753507784] [2021-12-17 03:29:03,271 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-17 03:29:03,271 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-17 03:29:03,271 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-17 03:29:03,272 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) [2021-12-17 03:29:03,303 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-12-17 03:29:03,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 03:29:03,376 INFO L263 TraceCheckSpWp]: Trace formula consists of 404 conjuncts, 2 conjunts are in the unsatisfiable core [2021-12-17 03:29:03,390 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-17 03:29:03,745 INFO L134 CoverageAnalysis]: Checked inductivity of 216 backedges. 147 proven. 0 refuted. 0 times theorem prover too weak. 69 trivial. 0 not checked. [2021-12-17 03:29:03,745 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-17 03:29:03,745 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1753507784] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-17 03:29:03,745 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-12-17 03:29:03,745 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 5 [2021-12-17 03:29:03,745 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [87928747] [2021-12-17 03:29:03,745 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-17 03:29:03,746 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-17 03:29:03,746 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-17 03:29:03,746 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-17 03:29:03,746 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-12-17 03:29:03,747 INFO L87 Difference]: Start difference. First operand 3109 states and 3288 transitions. Second operand has 3 states, 3 states have (on average 53.333333333333336) internal successors, (160), 3 states have internal predecessors, (160), 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) [2021-12-17 03:29:04,048 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-17 03:29:04,049 INFO L93 Difference]: Finished difference Result 5364 states and 5671 transitions. [2021-12-17 03:29:04,049 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-17 03:29:04,049 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 53.333333333333336) internal successors, (160), 3 states have internal predecessors, (160), 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 218 [2021-12-17 03:29:04,050 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-17 03:29:04,050 INFO L225 Difference]: With dead ends: 5364 [2021-12-17 03:29:04,050 INFO L226 Difference]: Without dead ends: 0 [2021-12-17 03:29:04,054 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 221 GetRequests, 218 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-12-17 03:29:04,055 INFO L933 BasicCegarLoop]: 176 mSDtfsCounter, 67 mSDsluCounter, 9 mSDsCounter, 0 mSdLazyCounter, 310 mSolverCounterSat, 30 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 67 SdHoareTripleChecker+Valid, 185 SdHoareTripleChecker+Invalid, 340 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 30 IncrementalHoareTripleChecker+Valid, 310 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2021-12-17 03:29:04,055 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [67 Valid, 185 Invalid, 340 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [30 Valid, 310 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2021-12-17 03:29:04,056 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-12-17 03:29:04,056 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-12-17 03:29:04,057 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) [2021-12-17 03:29:04,057 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-12-17 03:29:04,057 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 218 [2021-12-17 03:29:04,057 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-17 03:29:04,057 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-12-17 03:29:04,057 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 53.333333333333336) internal successors, (160), 3 states have internal predecessors, (160), 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) [2021-12-17 03:29:04,058 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-12-17 03:29:04,058 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-12-17 03:29:04,060 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2021-12-17 03:29:04,084 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2021-12-17 03:29:04,275 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,SelfDestructingSolverStorable12 [2021-12-17 03:29:04,277 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-12-17 03:29:04,902 INFO L858 garLoopResultBuilder]: For program point L565-1(lines 39 608) no Hoare annotation was computed. [2021-12-17 03:29:04,902 INFO L858 garLoopResultBuilder]: For program point L499-1(lines 39 608) no Hoare annotation was computed. [2021-12-17 03:29:04,902 INFO L858 garLoopResultBuilder]: For program point L433-1(lines 39 608) no Hoare annotation was computed. [2021-12-17 03:29:04,902 INFO L858 garLoopResultBuilder]: For program point L301(lines 301 423) no Hoare annotation was computed. [2021-12-17 03:29:04,903 INFO L858 garLoopResultBuilder]: For program point L235(lines 235 423) no Hoare annotation was computed. [2021-12-17 03:29:04,903 INFO L858 garLoopResultBuilder]: For program point L169(lines 169 423) no Hoare annotation was computed. [2021-12-17 03:29:04,903 INFO L858 garLoopResultBuilder]: For program point L566(line 566) no Hoare annotation was computed. [2021-12-17 03:29:04,903 INFO L858 garLoopResultBuilder]: For program point L500(line 500) no Hoare annotation was computed. [2021-12-17 03:29:04,903 INFO L858 garLoopResultBuilder]: For program point L434(line 434) no Hoare annotation was computed. [2021-12-17 03:29:04,903 INFO L858 garLoopResultBuilder]: For program point L303(lines 303 423) no Hoare annotation was computed. [2021-12-17 03:29:04,903 INFO L858 garLoopResultBuilder]: For program point L105(lines 105 423) no Hoare annotation was computed. [2021-12-17 03:29:04,903 INFO L858 garLoopResultBuilder]: For program point L568-1(lines 39 608) no Hoare annotation was computed. [2021-12-17 03:29:04,903 INFO L858 garLoopResultBuilder]: For program point L502-1(lines 39 608) no Hoare annotation was computed. [2021-12-17 03:29:04,903 INFO L858 garLoopResultBuilder]: For program point L436-1(lines 39 608) no Hoare annotation was computed. [2021-12-17 03:29:04,903 INFO L858 garLoopResultBuilder]: For program point L40(lines 40 423) no Hoare annotation was computed. [2021-12-17 03:29:04,903 INFO L858 garLoopResultBuilder]: For program point L569(line 569) no Hoare annotation was computed. [2021-12-17 03:29:04,903 INFO L858 garLoopResultBuilder]: For program point L503(line 503) no Hoare annotation was computed. [2021-12-17 03:29:04,903 INFO L858 garLoopResultBuilder]: For program point L437(line 437) no Hoare annotation was computed. [2021-12-17 03:29:04,904 INFO L858 garLoopResultBuilder]: For program point L371(lines 371 423) no Hoare annotation was computed. [2021-12-17 03:29:04,904 INFO L858 garLoopResultBuilder]: For program point L571-1(lines 39 608) no Hoare annotation was computed. [2021-12-17 03:29:04,904 INFO L858 garLoopResultBuilder]: For program point L505-1(lines 39 608) no Hoare annotation was computed. [2021-12-17 03:29:04,904 INFO L858 garLoopResultBuilder]: For program point L439-1(lines 39 608) no Hoare annotation was computed. [2021-12-17 03:29:04,904 INFO L858 garLoopResultBuilder]: For program point L307(lines 307 423) no Hoare annotation was computed. [2021-12-17 03:29:04,904 INFO L858 garLoopResultBuilder]: For program point L175(lines 175 423) no Hoare annotation was computed. [2021-12-17 03:29:04,904 INFO L858 garLoopResultBuilder]: For program point L109(lines 109 423) no Hoare annotation was computed. [2021-12-17 03:29:04,904 INFO L858 garLoopResultBuilder]: For program point L572(line 572) no Hoare annotation was computed. [2021-12-17 03:29:04,904 INFO L858 garLoopResultBuilder]: For program point L506(line 506) no Hoare annotation was computed. [2021-12-17 03:29:04,904 INFO L858 garLoopResultBuilder]: For program point L440(line 440) no Hoare annotation was computed. [2021-12-17 03:29:04,904 INFO L858 garLoopResultBuilder]: For program point L308(lines 308 317) no Hoare annotation was computed. [2021-12-17 03:29:04,904 INFO L858 garLoopResultBuilder]: For program point L242(lines 242 423) no Hoare annotation was computed. [2021-12-17 03:29:04,904 INFO L858 garLoopResultBuilder]: For program point L308-2(lines 308 317) no Hoare annotation was computed. [2021-12-17 03:29:04,905 INFO L858 garLoopResultBuilder]: For program point L45(lines 45 423) no Hoare annotation was computed. [2021-12-17 03:29:04,905 INFO L858 garLoopResultBuilder]: For program point L574-1(lines 39 608) no Hoare annotation was computed. [2021-12-17 03:29:04,905 INFO L858 garLoopResultBuilder]: For program point L508-1(lines 39 608) no Hoare annotation was computed. [2021-12-17 03:29:04,905 INFO L858 garLoopResultBuilder]: For program point L442-1(lines 39 608) no Hoare annotation was computed. [2021-12-17 03:29:04,905 INFO L858 garLoopResultBuilder]: For program point L244(lines 244 423) no Hoare annotation was computed. [2021-12-17 03:29:04,905 INFO L858 garLoopResultBuilder]: For program point L575(line 575) no Hoare annotation was computed. [2021-12-17 03:29:04,905 INFO L858 garLoopResultBuilder]: For program point L509(line 509) no Hoare annotation was computed. [2021-12-17 03:29:04,905 INFO L858 garLoopResultBuilder]: For program point L443(line 443) no Hoare annotation was computed. [2021-12-17 03:29:04,905 INFO L858 garLoopResultBuilder]: For program point L179(lines 179 423) no Hoare annotation was computed. [2021-12-17 03:29:04,905 INFO L858 garLoopResultBuilder]: For program point L378(lines 378 423) no Hoare annotation was computed. [2021-12-17 03:29:04,905 INFO L858 garLoopResultBuilder]: For program point L48(lines 48 423) no Hoare annotation was computed. [2021-12-17 03:29:04,905 INFO L858 garLoopResultBuilder]: For program point L577-1(lines 39 608) no Hoare annotation was computed. [2021-12-17 03:29:04,905 INFO L858 garLoopResultBuilder]: For program point L511-1(lines 39 608) no Hoare annotation was computed. [2021-12-17 03:29:04,906 INFO L858 garLoopResultBuilder]: For program point L445-1(lines 39 608) no Hoare annotation was computed. [2021-12-17 03:29:04,906 INFO L858 garLoopResultBuilder]: For program point L247(lines 247 423) no Hoare annotation was computed. [2021-12-17 03:29:04,906 INFO L858 garLoopResultBuilder]: For program point L578(line 578) no Hoare annotation was computed. [2021-12-17 03:29:04,906 INFO L858 garLoopResultBuilder]: For program point L512(line 512) no Hoare annotation was computed. [2021-12-17 03:29:04,906 INFO L858 garLoopResultBuilder]: For program point L446(line 446) no Hoare annotation was computed. [2021-12-17 03:29:04,906 INFO L858 garLoopResultBuilder]: For program point L248(lines 248 256) no Hoare annotation was computed. [2021-12-17 03:29:04,906 INFO L858 garLoopResultBuilder]: For program point L248-2(lines 248 256) no Hoare annotation was computed. [2021-12-17 03:29:04,906 INFO L858 garLoopResultBuilder]: For program point L116(lines 116 423) no Hoare annotation was computed. [2021-12-17 03:29:04,906 INFO L858 garLoopResultBuilder]: For program point L580-1(lines 39 608) no Hoare annotation was computed. [2021-12-17 03:29:04,906 INFO L858 garLoopResultBuilder]: For program point L514-1(lines 39 608) no Hoare annotation was computed. [2021-12-17 03:29:04,906 INFO L858 garLoopResultBuilder]: For program point L448-1(lines 39 608) no Hoare annotation was computed. [2021-12-17 03:29:04,906 INFO L858 garLoopResultBuilder]: For program point L52(lines 52 423) no Hoare annotation was computed. [2021-12-17 03:29:04,906 INFO L858 garLoopResultBuilder]: For program point L581(line 581) no Hoare annotation was computed. [2021-12-17 03:29:04,906 INFO L858 garLoopResultBuilder]: For program point L515(line 515) no Hoare annotation was computed. [2021-12-17 03:29:04,907 INFO L858 garLoopResultBuilder]: For program point L449(line 449) no Hoare annotation was computed. [2021-12-17 03:29:04,907 INFO L858 garLoopResultBuilder]: For program point L185(lines 185 423) no Hoare annotation was computed. [2021-12-17 03:29:04,907 INFO L858 garLoopResultBuilder]: For program point L583-1(lines 39 608) no Hoare annotation was computed. [2021-12-17 03:29:04,907 INFO L858 garLoopResultBuilder]: For program point L517-1(lines 39 608) no Hoare annotation was computed. [2021-12-17 03:29:04,907 INFO L858 garLoopResultBuilder]: For program point L451-1(lines 39 608) no Hoare annotation was computed. [2021-12-17 03:29:04,907 INFO L858 garLoopResultBuilder]: For program point L385(lines 385 423) no Hoare annotation was computed. [2021-12-17 03:29:04,907 INFO L858 garLoopResultBuilder]: For program point L319(lines 319 423) no Hoare annotation was computed. [2021-12-17 03:29:04,907 INFO L858 garLoopResultBuilder]: For program point L584(line 584) no Hoare annotation was computed. [2021-12-17 03:29:04,907 INFO L858 garLoopResultBuilder]: For program point L518(line 518) no Hoare annotation was computed. [2021-12-17 03:29:04,907 INFO L858 garLoopResultBuilder]: For program point L452(line 452) no Hoare annotation was computed. [2021-12-17 03:29:04,907 INFO L858 garLoopResultBuilder]: For program point L189(lines 189 423) no Hoare annotation was computed. [2021-12-17 03:29:04,907 INFO L858 garLoopResultBuilder]: For program point L123(lines 123 423) no Hoare annotation was computed. [2021-12-17 03:29:04,907 INFO L858 garLoopResultBuilder]: For program point L57(lines 57 423) no Hoare annotation was computed. [2021-12-17 03:29:04,907 INFO L858 garLoopResultBuilder]: For program point L586-1(lines 39 608) no Hoare annotation was computed. [2021-12-17 03:29:04,908 INFO L858 garLoopResultBuilder]: For program point L520-1(lines 39 608) no Hoare annotation was computed. [2021-12-17 03:29:04,908 INFO L858 garLoopResultBuilder]: For program point L454-1(lines 39 608) no Hoare annotation was computed. [2021-12-17 03:29:04,908 INFO L858 garLoopResultBuilder]: For program point L388(lines 388 423) no Hoare annotation was computed. [2021-12-17 03:29:04,908 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-12-17 03:29:04,908 INFO L858 garLoopResultBuilder]: For program point L587(line 587) no Hoare annotation was computed. [2021-12-17 03:29:04,908 INFO L858 garLoopResultBuilder]: For program point L521(line 521) no Hoare annotation was computed. [2021-12-17 03:29:04,908 INFO L858 garLoopResultBuilder]: For program point L455(line 455) no Hoare annotation was computed. [2021-12-17 03:29:04,908 INFO L858 garLoopResultBuilder]: For program point L390(lines 390 423) no Hoare annotation was computed. [2021-12-17 03:29:04,908 INFO L858 garLoopResultBuilder]: For program point L324(lines 324 423) no Hoare annotation was computed. [2021-12-17 03:29:04,908 INFO L858 garLoopResultBuilder]: For program point L258(lines 258 423) no Hoare annotation was computed. [2021-12-17 03:29:04,908 INFO L858 garLoopResultBuilder]: For program point L60(lines 60 423) no Hoare annotation was computed. [2021-12-17 03:29:04,908 INFO L858 garLoopResultBuilder]: For program point L589-1(lines 39 608) no Hoare annotation was computed. [2021-12-17 03:29:04,908 INFO L858 garLoopResultBuilder]: For program point L523-1(lines 39 608) no Hoare annotation was computed. [2021-12-17 03:29:04,908 INFO L858 garLoopResultBuilder]: For program point L457-1(lines 39 608) no Hoare annotation was computed. [2021-12-17 03:29:04,909 INFO L858 garLoopResultBuilder]: For program point L391(lines 391 397) no Hoare annotation was computed. [2021-12-17 03:29:04,909 INFO L858 garLoopResultBuilder]: For program point L325(lines 325 336) no Hoare annotation was computed. [2021-12-17 03:29:04,909 INFO L858 garLoopResultBuilder]: For program point L391-2(lines 391 397) no Hoare annotation was computed. [2021-12-17 03:29:04,909 INFO L858 garLoopResultBuilder]: For program point L325-2(lines 325 336) no Hoare annotation was computed. [2021-12-17 03:29:04,909 INFO L858 garLoopResultBuilder]: For program point L590(line 590) no Hoare annotation was computed. [2021-12-17 03:29:04,909 INFO L858 garLoopResultBuilder]: For program point L524(line 524) no Hoare annotation was computed. [2021-12-17 03:29:04,909 INFO L858 garLoopResultBuilder]: For program point L458(line 458) no Hoare annotation was computed. [2021-12-17 03:29:04,909 INFO L858 garLoopResultBuilder]: For program point L195(lines 195 423) no Hoare annotation was computed. [2021-12-17 03:29:04,909 INFO L858 garLoopResultBuilder]: For program point L129(lines 129 423) no Hoare annotation was computed. [2021-12-17 03:29:04,909 INFO L858 garLoopResultBuilder]: For program point L592-1(lines 39 608) no Hoare annotation was computed. [2021-12-17 03:29:04,909 INFO L858 garLoopResultBuilder]: For program point L526-1(lines 39 608) no Hoare annotation was computed. [2021-12-17 03:29:04,909 INFO L858 garLoopResultBuilder]: For program point L460-1(lines 39 608) no Hoare annotation was computed. [2021-12-17 03:29:04,909 INFO L858 garLoopResultBuilder]: For program point L64(lines 64 423) no Hoare annotation was computed. [2021-12-17 03:29:04,909 INFO L858 garLoopResultBuilder]: For program point L593(line 593) no Hoare annotation was computed. [2021-12-17 03:29:04,909 INFO L858 garLoopResultBuilder]: For program point L527(line 527) no Hoare annotation was computed. [2021-12-17 03:29:04,910 INFO L858 garLoopResultBuilder]: For program point L461(line 461) no Hoare annotation was computed. [2021-12-17 03:29:04,910 INFO L858 garLoopResultBuilder]: For program point L263(lines 263 423) no Hoare annotation was computed. [2021-12-17 03:29:04,910 INFO L858 garLoopResultBuilder]: For program point L197(lines 197 423) no Hoare annotation was computed. [2021-12-17 03:29:04,910 INFO L858 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-12-17 03:29:04,910 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 449) no Hoare annotation was computed. [2021-12-17 03:29:04,910 INFO L858 garLoopResultBuilder]: For program point L595-1(lines 39 608) no Hoare annotation was computed. [2021-12-17 03:29:04,910 INFO L858 garLoopResultBuilder]: For program point L529-1(lines 39 608) no Hoare annotation was computed. [2021-12-17 03:29:04,910 INFO L858 garLoopResultBuilder]: For program point L463-1(lines 39 608) no Hoare annotation was computed. [2021-12-17 03:29:04,910 INFO L858 garLoopResultBuilder]: For program point L199(lines 199 423) no Hoare annotation was computed. [2021-12-17 03:29:04,910 INFO L858 garLoopResultBuilder]: For program point L133(lines 133 423) no Hoare annotation was computed. [2021-12-17 03:29:04,910 INFO L858 garLoopResultBuilder]: For program point L596(line 596) no Hoare annotation was computed. [2021-12-17 03:29:04,910 INFO L858 garLoopResultBuilder]: For program point L530(line 530) no Hoare annotation was computed. [2021-12-17 03:29:04,910 INFO L858 garLoopResultBuilder]: For program point L464(line 464) no Hoare annotation was computed. [2021-12-17 03:29:04,911 INFO L858 garLoopResultBuilder]: For program point L399(lines 399 423) no Hoare annotation was computed. [2021-12-17 03:29:04,911 INFO L858 garLoopResultBuilder]: For program point L201(lines 201 423) no Hoare annotation was computed. [2021-12-17 03:29:04,911 INFO L858 garLoopResultBuilder]: For program point L69(lines 69 423) no Hoare annotation was computed. [2021-12-17 03:29:04,911 INFO L858 garLoopResultBuilder]: For program point L598-1(lines 39 608) no Hoare annotation was computed. [2021-12-17 03:29:04,915 INFO L858 garLoopResultBuilder]: For program point L532-1(lines 39 608) no Hoare annotation was computed. [2021-12-17 03:29:04,915 INFO L858 garLoopResultBuilder]: For program point L466-1(lines 39 608) no Hoare annotation was computed. [2021-12-17 03:29:04,915 INFO L858 garLoopResultBuilder]: For program point L599(line 599) no Hoare annotation was computed. [2021-12-17 03:29:04,915 INFO L858 garLoopResultBuilder]: For program point L533(line 533) no Hoare annotation was computed. [2021-12-17 03:29:04,916 INFO L858 garLoopResultBuilder]: For program point L467(line 467) no Hoare annotation was computed. [2021-12-17 03:29:04,916 INFO L858 garLoopResultBuilder]: For program point L269(lines 269 423) no Hoare annotation was computed. [2021-12-17 03:29:04,916 INFO L858 garLoopResultBuilder]: For program point L204(lines 204 423) no Hoare annotation was computed. [2021-12-17 03:29:04,916 INFO L858 garLoopResultBuilder]: For program point L601-1(lines 39 608) no Hoare annotation was computed. [2021-12-17 03:29:04,916 INFO L858 garLoopResultBuilder]: For program point L535-1(lines 39 608) no Hoare annotation was computed. [2021-12-17 03:29:04,916 INFO L858 garLoopResultBuilder]: For program point L469-1(lines 39 608) no Hoare annotation was computed. [2021-12-17 03:29:04,917 INFO L858 garLoopResultBuilder]: For program point L271(lines 271 423) no Hoare annotation was computed. [2021-12-17 03:29:04,917 INFO L858 garLoopResultBuilder]: For program point L602(line 602) no Hoare annotation was computed. [2021-12-17 03:29:04,917 INFO L858 garLoopResultBuilder]: For program point L536(line 536) no Hoare annotation was computed. [2021-12-17 03:29:04,917 INFO L858 garLoopResultBuilder]: For program point L470(line 470) no Hoare annotation was computed. [2021-12-17 03:29:04,919 INFO L858 garLoopResultBuilder]: For program point L404(lines 404 423) no Hoare annotation was computed. [2021-12-17 03:29:04,919 INFO L858 garLoopResultBuilder]: For program point L338(lines 338 423) no Hoare annotation was computed. [2021-12-17 03:29:04,919 INFO L858 garLoopResultBuilder]: For program point L272(lines 272 284) no Hoare annotation was computed. [2021-12-17 03:29:04,919 INFO L858 garLoopResultBuilder]: For program point L272-2(lines 272 284) no Hoare annotation was computed. [2021-12-17 03:29:04,919 INFO L858 garLoopResultBuilder]: For program point L140(lines 140 423) no Hoare annotation was computed. [2021-12-17 03:29:04,920 INFO L858 garLoopResultBuilder]: For program point L75(lines 75 423) no Hoare annotation was computed. [2021-12-17 03:29:04,920 INFO L858 garLoopResultBuilder]: For program point L604-1(lines 604 606) no Hoare annotation was computed. [2021-12-17 03:29:04,920 INFO L858 garLoopResultBuilder]: For program point L538-1(lines 39 608) no Hoare annotation was computed. [2021-12-17 03:29:04,920 INFO L858 garLoopResultBuilder]: For program point L472-1(lines 39 608) no Hoare annotation was computed. [2021-12-17 03:29:04,920 INFO L858 garLoopResultBuilder]: For program point L208(lines 208 423) no Hoare annotation was computed. [2021-12-17 03:29:04,920 INFO L858 garLoopResultBuilder]: For program point L605(line 605) no Hoare annotation was computed. [2021-12-17 03:29:04,920 INFO L858 garLoopResultBuilder]: For program point L539(line 539) no Hoare annotation was computed. [2021-12-17 03:29:04,921 INFO L858 garLoopResultBuilder]: For program point L473(line 473) no Hoare annotation was computed. [2021-12-17 03:29:04,921 INFO L858 garLoopResultBuilder]: For program point L341(lines 341 423) no Hoare annotation was computed. [2021-12-17 03:29:04,921 INFO L858 garLoopResultBuilder]: For program point L408(lines 408 423) no Hoare annotation was computed. [2021-12-17 03:29:04,921 INFO L858 garLoopResultBuilder]: For program point L342(lines 342 345) no Hoare annotation was computed. [2021-12-17 03:29:04,921 INFO L858 garLoopResultBuilder]: For program point L342-2(lines 342 345) no Hoare annotation was computed. [2021-12-17 03:29:04,921 INFO L858 garLoopResultBuilder]: For program point L144(lines 144 423) no Hoare annotation was computed. [2021-12-17 03:29:04,923 INFO L854 garLoopResultBuilder]: At program point L607(lines 39 608) the Hoare annotation is: (let ((.cse8 (<= 9 ~a28~0)) (.cse3 (= ~a25~0 1)) (.cse4 (<= 10 ~a28~0)) (.cse9 (<= ~a28~0 9)) (.cse6 (<= ~a19~0 0)) (.cse0 (= ~a17~0 8)) (.cse1 (= ~a21~0 1)) (.cse2 (= ~a19~0 1)) (.cse7 (<= ~a28~0 7)) (.cse5 (= 0 ~a11~0)) (.cse10 (<= ~a25~0 0))) (or (and (not (= 1 ~a11~0)) .cse0 .cse1 .cse2 (= ~a28~0 10)) (and .cse3 .cse4 .cse5 .cse6) (and .cse7 .cse3 .cse5 .cse6) (and .cse0 .cse1 .cse2 .cse3 .cse8) (and .cse2 .cse3 .cse5) (and .cse2 .cse7 .cse3) (and .cse0 .cse1 .cse9 .cse2 .cse10 .cse8) (<= ~a17~0 7) (and .cse2 .cse3 .cse4) (and (<= 11 ~a28~0) .cse5 .cse6 .cse10) (and .cse9 .cse6 .cse10) (and .cse0 .cse1 .cse2 .cse7 .cse5 .cse10))) [2021-12-17 03:29:04,923 INFO L858 garLoopResultBuilder]: For program point L541-1(lines 39 608) no Hoare annotation was computed. [2021-12-17 03:29:04,923 INFO L858 garLoopResultBuilder]: For program point L475-1(lines 39 608) no Hoare annotation was computed. [2021-12-17 03:29:04,923 INFO L858 garLoopResultBuilder]: For program point L79(lines 79 423) no Hoare annotation was computed. [2021-12-17 03:29:04,923 INFO L858 garLoopResultBuilder]: For program point L542(line 542) no Hoare annotation was computed. [2021-12-17 03:29:04,923 INFO L858 garLoopResultBuilder]: For program point L476(line 476) no Hoare annotation was computed. [2021-12-17 03:29:04,924 INFO L858 garLoopResultBuilder]: For program point L212(lines 212 423) no Hoare annotation was computed. [2021-12-17 03:29:04,924 INFO L858 garLoopResultBuilder]: For program point L213(lines 213 220) no Hoare annotation was computed. [2021-12-17 03:29:04,924 INFO L858 garLoopResultBuilder]: For program point L213-2(lines 213 220) no Hoare annotation was computed. [2021-12-17 03:29:04,924 INFO L861 garLoopResultBuilder]: At program point L610(lines 610 627) the Hoare annotation is: true [2021-12-17 03:29:04,924 INFO L858 garLoopResultBuilder]: For program point L544-1(lines 39 608) no Hoare annotation was computed. [2021-12-17 03:29:04,924 INFO L858 garLoopResultBuilder]: For program point L478-1(lines 39 608) no Hoare annotation was computed. [2021-12-17 03:29:04,924 INFO L858 garLoopResultBuilder]: For program point L412(lines 412 423) no Hoare annotation was computed. [2021-12-17 03:29:04,925 INFO L858 garLoopResultBuilder]: For program point L545(line 545) no Hoare annotation was computed. [2021-12-17 03:29:04,925 INFO L858 garLoopResultBuilder]: For program point L479(line 479) no Hoare annotation was computed. [2021-12-17 03:29:04,925 INFO L858 garLoopResultBuilder]: For program point L347(lines 347 423) no Hoare annotation was computed. [2021-12-17 03:29:04,925 INFO L858 garLoopResultBuilder]: For program point L149(lines 149 423) no Hoare annotation was computed. [2021-12-17 03:29:04,925 INFO L858 garLoopResultBuilder]: For program point L414(lines 414 423) no Hoare annotation was computed. [2021-12-17 03:29:04,925 INFO L858 garLoopResultBuilder]: For program point L348(lines 348 357) no Hoare annotation was computed. [2021-12-17 03:29:04,925 INFO L858 garLoopResultBuilder]: For program point L348-2(lines 348 357) no Hoare annotation was computed. [2021-12-17 03:29:04,925 INFO L858 garLoopResultBuilder]: For program point L84(lines 84 423) no Hoare annotation was computed. [2021-12-17 03:29:04,926 INFO L858 garLoopResultBuilder]: For program point L547-1(lines 39 608) no Hoare annotation was computed. [2021-12-17 03:29:04,926 INFO L858 garLoopResultBuilder]: For program point L481-1(lines 39 608) no Hoare annotation was computed. [2021-12-17 03:29:04,926 INFO L858 garLoopResultBuilder]: For program point L85(lines 85 90) no Hoare annotation was computed. [2021-12-17 03:29:04,926 INFO L858 garLoopResultBuilder]: For program point L85-2(lines 85 90) no Hoare annotation was computed. [2021-12-17 03:29:04,926 INFO L858 garLoopResultBuilder]: For program point L548(line 548) no Hoare annotation was computed. [2021-12-17 03:29:04,926 INFO L858 garLoopResultBuilder]: For program point L482(line 482) no Hoare annotation was computed. [2021-12-17 03:29:04,926 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-12-17 03:29:04,927 INFO L858 garLoopResultBuilder]: For program point L417(lines 417 423) no Hoare annotation was computed. [2021-12-17 03:29:04,927 INFO L858 garLoopResultBuilder]: For program point L153(lines 153 423) no Hoare annotation was computed. [2021-12-17 03:29:04,927 INFO L854 garLoopResultBuilder]: At program point L616-2(lines 616 626) the Hoare annotation is: (let ((.cse8 (<= 9 ~a28~0)) (.cse3 (= ~a25~0 1)) (.cse4 (<= 10 ~a28~0)) (.cse9 (<= ~a28~0 9)) (.cse6 (<= ~a19~0 0)) (.cse0 (= ~a17~0 8)) (.cse1 (= ~a21~0 1)) (.cse2 (= ~a19~0 1)) (.cse7 (<= ~a28~0 7)) (.cse5 (= 0 ~a11~0)) (.cse10 (<= ~a25~0 0))) (or (and (not (= 1 ~a11~0)) .cse0 .cse1 .cse2 (= ~a28~0 10)) (and .cse3 .cse4 .cse5 .cse6) (and .cse7 .cse3 .cse5 .cse6) (and .cse0 .cse1 .cse2 .cse3 .cse8) (and .cse2 .cse3 .cse5) (and .cse2 .cse7 .cse3) (and .cse0 .cse1 .cse9 .cse2 .cse10 .cse8) (<= ~a17~0 7) (and .cse2 .cse3 .cse4) (and (<= 11 ~a28~0) .cse5 .cse6 .cse10) (and .cse9 .cse6 .cse10) (and .cse0 .cse1 .cse2 .cse7 .cse5 .cse10))) [2021-12-17 03:29:04,927 INFO L858 garLoopResultBuilder]: For program point L550-1(lines 39 608) no Hoare annotation was computed. [2021-12-17 03:29:04,927 INFO L858 garLoopResultBuilder]: For program point L484-1(lines 39 608) no Hoare annotation was computed. [2021-12-17 03:29:04,927 INFO L858 garLoopResultBuilder]: For program point L286(lines 286 423) no Hoare annotation was computed. [2021-12-17 03:29:04,927 INFO L858 garLoopResultBuilder]: For program point L551(line 551) no Hoare annotation was computed. [2021-12-17 03:29:04,928 INFO L858 garLoopResultBuilder]: For program point L485(line 485) no Hoare annotation was computed. [2021-12-17 03:29:04,928 INFO L858 garLoopResultBuilder]: For program point L419(lines 419 423) no Hoare annotation was computed. [2021-12-17 03:29:04,928 INFO L858 garLoopResultBuilder]: For program point L222(lines 222 423) no Hoare annotation was computed. [2021-12-17 03:29:04,928 INFO L858 garLoopResultBuilder]: For program point L553-1(lines 39 608) no Hoare annotation was computed. [2021-12-17 03:29:04,928 INFO L858 garLoopResultBuilder]: For program point L487-1(lines 39 608) no Hoare annotation was computed. [2021-12-17 03:29:04,928 INFO L858 garLoopResultBuilder]: For program point L554(line 554) no Hoare annotation was computed. [2021-12-17 03:29:04,928 INFO L858 garLoopResultBuilder]: For program point L488(line 488) no Hoare annotation was computed. [2021-12-17 03:29:04,928 INFO L858 garLoopResultBuilder]: For program point L290(lines 290 423) no Hoare annotation was computed. [2021-12-17 03:29:04,929 INFO L858 garLoopResultBuilder]: For program point L158(lines 158 423) no Hoare annotation was computed. [2021-12-17 03:29:04,929 INFO L858 garLoopResultBuilder]: For program point L92(lines 92 423) no Hoare annotation was computed. [2021-12-17 03:29:04,930 INFO L858 garLoopResultBuilder]: For program point L621(line 621) no Hoare annotation was computed. [2021-12-17 03:29:04,930 INFO L858 garLoopResultBuilder]: For program point L225(lines 225 423) no Hoare annotation was computed. [2021-12-17 03:29:04,930 INFO L858 garLoopResultBuilder]: For program point L93(lines 93 99) no Hoare annotation was computed. [2021-12-17 03:29:04,930 INFO L858 garLoopResultBuilder]: For program point L93-2(lines 93 99) no Hoare annotation was computed. [2021-12-17 03:29:04,930 INFO L858 garLoopResultBuilder]: For program point L556-1(lines 39 608) no Hoare annotation was computed. [2021-12-17 03:29:04,930 INFO L858 garLoopResultBuilder]: For program point L490-1(lines 39 608) no Hoare annotation was computed. [2021-12-17 03:29:04,930 INFO L858 garLoopResultBuilder]: For program point L424(lines 424 426) no Hoare annotation was computed. [2021-12-17 03:29:04,931 INFO L858 garLoopResultBuilder]: For program point L424-2(lines 39 608) no Hoare annotation was computed. [2021-12-17 03:29:04,931 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-12-17 03:29:04,932 INFO L858 garLoopResultBuilder]: For program point L557(line 557) no Hoare annotation was computed. [2021-12-17 03:29:04,932 INFO L858 garLoopResultBuilder]: For program point L491(line 491) no Hoare annotation was computed. [2021-12-17 03:29:04,932 INFO L858 garLoopResultBuilder]: For program point L425(line 425) no Hoare annotation was computed. [2021-12-17 03:29:04,932 INFO L858 garLoopResultBuilder]: For program point L359(lines 359 423) no Hoare annotation was computed. [2021-12-17 03:29:04,932 INFO L858 garLoopResultBuilder]: For program point L293(lines 293 423) no Hoare annotation was computed. [2021-12-17 03:29:04,933 INFO L858 garLoopResultBuilder]: For program point L228(lines 228 423) no Hoare annotation was computed. [2021-12-17 03:29:04,933 INFO L858 garLoopResultBuilder]: For program point L559-1(lines 39 608) no Hoare annotation was computed. [2021-12-17 03:29:04,933 INFO L858 garLoopResultBuilder]: For program point L493-1(lines 39 608) no Hoare annotation was computed. [2021-12-17 03:29:04,933 INFO L858 garLoopResultBuilder]: For program point L427-1(lines 39 608) no Hoare annotation was computed. [2021-12-17 03:29:04,933 INFO L858 garLoopResultBuilder]: For program point L560(line 560) no Hoare annotation was computed. [2021-12-17 03:29:04,933 INFO L858 garLoopResultBuilder]: For program point L494(line 494) no Hoare annotation was computed. [2021-12-17 03:29:04,933 INFO L858 garLoopResultBuilder]: For program point L428(line 428) no Hoare annotation was computed. [2021-12-17 03:29:04,933 INFO L858 garLoopResultBuilder]: For program point L296(lines 296 423) no Hoare annotation was computed. [2021-12-17 03:29:04,934 INFO L858 garLoopResultBuilder]: For program point L164(lines 164 423) no Hoare annotation was computed. [2021-12-17 03:29:04,934 INFO L858 garLoopResultBuilder]: For program point L562-1(lines 39 608) no Hoare annotation was computed. [2021-12-17 03:29:04,934 INFO L858 garLoopResultBuilder]: For program point L496-1(lines 39 608) no Hoare annotation was computed. [2021-12-17 03:29:04,934 INFO L858 garLoopResultBuilder]: For program point L430-1(lines 39 608) no Hoare annotation was computed. [2021-12-17 03:29:04,934 INFO L858 garLoopResultBuilder]: For program point L364(lines 364 423) no Hoare annotation was computed. [2021-12-17 03:29:04,934 INFO L858 garLoopResultBuilder]: For program point L563(line 563) no Hoare annotation was computed. [2021-12-17 03:29:04,934 INFO L858 garLoopResultBuilder]: For program point L497(line 497) no Hoare annotation was computed. [2021-12-17 03:29:04,934 INFO L858 garLoopResultBuilder]: For program point L431(line 431) no Hoare annotation was computed. [2021-12-17 03:29:04,935 INFO L858 garLoopResultBuilder]: For program point L233(lines 233 423) no Hoare annotation was computed. [2021-12-17 03:29:04,935 INFO L858 garLoopResultBuilder]: For program point L101(lines 101 423) no Hoare annotation was computed. [2021-12-17 03:29:04,938 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-17 03:29:04,941 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-12-17 03:29:04,976 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 17.12 03:29:04 BoogieIcfgContainer [2021-12-17 03:29:04,978 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-12-17 03:29:04,979 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-12-17 03:29:04,979 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-12-17 03:29:04,979 INFO L275 PluginConnector]: Witness Printer initialized [2021-12-17 03:29:04,980 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.12 03:28:55" (3/4) ... [2021-12-17 03:29:04,982 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-12-17 03:29:05,009 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2021-12-17 03:29:05,010 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2021-12-17 03:29:05,010 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-12-17 03:29:05,011 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-12-17 03:29:05,109 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2021-12-17 03:29:05,110 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-12-17 03:29:05,110 INFO L158 Benchmark]: Toolchain (without parser) took 11467.48ms. Allocated memory was 100.7MB in the beginning and 218.1MB in the end (delta: 117.4MB). Free memory was 68.7MB in the beginning and 137.7MB in the end (delta: -69.0MB). Peak memory consumption was 49.2MB. Max. memory is 16.1GB. [2021-12-17 03:29:05,110 INFO L158 Benchmark]: CDTParser took 0.20ms. Allocated memory is still 77.6MB. Free memory was 50.0MB in the beginning and 50.0MB in the end (delta: 27.6kB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-17 03:29:05,111 INFO L158 Benchmark]: CACSL2BoogieTranslator took 531.86ms. Allocated memory is still 100.7MB. Free memory was 68.5MB in the beginning and 61.7MB in the end (delta: 6.8MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2021-12-17 03:29:05,111 INFO L158 Benchmark]: Boogie Procedure Inliner took 102.45ms. Allocated memory is still 100.7MB. Free memory was 61.6MB in the beginning and 56.4MB in the end (delta: 5.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2021-12-17 03:29:05,112 INFO L158 Benchmark]: Boogie Preprocessor took 72.94ms. Allocated memory is still 100.7MB. Free memory was 56.4MB in the beginning and 52.1MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2021-12-17 03:29:05,112 INFO L158 Benchmark]: RCFGBuilder took 900.42ms. Allocated memory is still 100.7MB. Free memory was 52.1MB in the beginning and 39.5MB in the end (delta: 12.6MB). Peak memory consumption was 22.8MB. Max. memory is 16.1GB. [2021-12-17 03:29:05,112 INFO L158 Benchmark]: TraceAbstraction took 9722.78ms. Allocated memory was 100.7MB in the beginning and 218.1MB in the end (delta: 117.4MB). Free memory was 38.9MB in the beginning and 152.4MB in the end (delta: -113.5MB). Peak memory consumption was 75.3MB. Max. memory is 16.1GB. [2021-12-17 03:29:05,113 INFO L158 Benchmark]: Witness Printer took 130.78ms. Allocated memory is still 218.1MB. Free memory was 152.4MB in the beginning and 137.7MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2021-12-17 03:29:05,117 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20ms. Allocated memory is still 77.6MB. Free memory was 50.0MB in the beginning and 50.0MB in the end (delta: 27.6kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 531.86ms. Allocated memory is still 100.7MB. Free memory was 68.5MB in the beginning and 61.7MB in the end (delta: 6.8MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 102.45ms. Allocated memory is still 100.7MB. Free memory was 61.6MB in the beginning and 56.4MB in the end (delta: 5.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 72.94ms. Allocated memory is still 100.7MB. Free memory was 56.4MB in the beginning and 52.1MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 900.42ms. Allocated memory is still 100.7MB. Free memory was 52.1MB in the beginning and 39.5MB in the end (delta: 12.6MB). Peak memory consumption was 22.8MB. Max. memory is 16.1GB. * TraceAbstraction took 9722.78ms. Allocated memory was 100.7MB in the beginning and 218.1MB in the end (delta: 117.4MB). Free memory was 38.9MB in the beginning and 152.4MB in the end (delta: -113.5MB). Peak memory consumption was 75.3MB. Max. memory is 16.1GB. * Witness Printer took 130.78ms. Allocated memory is still 218.1MB. Free memory was 152.4MB in the beginning and 137.7MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 449]: 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, 227 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 9.6s, OverallIterations: 13, TraceHistogramMax: 5, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.1s, AutomataDifference: 5.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.6s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1981 SdHoareTripleChecker+Valid, 4.9s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1981 mSDsluCounter, 2015 SdHoareTripleChecker+Invalid, 3.8s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 263 mSDsCounter, 830 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 5304 IncrementalHoareTripleChecker+Invalid, 6134 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 830 mSolverCounterUnsat, 1752 mSDtfsCounter, 5304 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 373 GetRequests, 350 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=3250occurred in iteration=10, InterpolantAutomatonStates: 44, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.5s AutomataMinimizationTime, 13 MinimizatonAttempts, 768 StatesRemovedByMinimization, 9 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 3 LocationsWithAnnotation, 3 PreInvPairs, 71 NumberOfFragments, 309 HoareAnnotationTreeSize, 3 FomulaSimplifications, 256 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 3 FomulaSimplificationsInter, 1388 FormulaSimplificationTreeSizeReductionInter, 0.5s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 1.5s InterpolantComputationTime, 2158 NumberOfCodeBlocks, 2158 NumberOfCodeBlocksAsserted, 15 NumberOfCheckSat, 2143 ConstructedInterpolants, 0 QuantifiedInterpolants, 6888 SizeOfPredicates, 0 NumberOfNonLiveVariables, 657 ConjunctsInSsa, 4 ConjunctsInUnsatCore, 15 InterpolantComputations, 13 PerfectInterpolantSequences, 1219/1251 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: 616]: Loop Invariant Derived loop invariant: ((((((((((((((!(1 == a11) && a17 == 8) && a21 == 1) && a19 == 1) && a28 == 10) || (((a25 == 1 && 10 <= a28) && 0 == a11) && a19 <= 0)) || (((a28 <= 7 && a25 == 1) && 0 == a11) && a19 <= 0)) || ((((a17 == 8 && a21 == 1) && a19 == 1) && a25 == 1) && 9 <= a28)) || ((a19 == 1 && a25 == 1) && 0 == a11)) || ((a19 == 1 && a28 <= 7) && a25 == 1)) || (((((a17 == 8 && a21 == 1) && a28 <= 9) && a19 == 1) && a25 <= 0) && 9 <= a28)) || a17 <= 7) || ((a19 == 1 && a25 == 1) && 10 <= a28)) || (((11 <= a28 && 0 == a11) && a19 <= 0) && a25 <= 0)) || ((a28 <= 9 && a19 <= 0) && a25 <= 0)) || (((((a17 == 8 && a21 == 1) && a19 == 1) && a28 <= 7) && 0 == a11) && a25 <= 0) - InvariantResult [Line: 610]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 39]: Loop Invariant Derived loop invariant: ((((((((((((((!(1 == a11) && a17 == 8) && a21 == 1) && a19 == 1) && a28 == 10) || (((a25 == 1 && 10 <= a28) && 0 == a11) && a19 <= 0)) || (((a28 <= 7 && a25 == 1) && 0 == a11) && a19 <= 0)) || ((((a17 == 8 && a21 == 1) && a19 == 1) && a25 == 1) && 9 <= a28)) || ((a19 == 1 && a25 == 1) && 0 == a11)) || ((a19 == 1 && a28 <= 7) && a25 == 1)) || (((((a17 == 8 && a21 == 1) && a28 <= 9) && a19 == 1) && a25 <= 0) && 9 <= a28)) || a17 <= 7) || ((a19 == 1 && a25 == 1) && 10 <= a28)) || (((11 <= a28 && 0 == a11) && a19 <= 0) && a25 <= 0)) || ((a28 <= 9 && a19 <= 0) && a25 <= 0)) || (((((a17 == 8 && a21 == 1) && a19 == 1) && a28 <= 7) && 0 == a11) && a25 <= 0) RESULT: Ultimate proved your program to be correct! [2021-12-17 03:29:05,167 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... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE