./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/eca-rers2012/Problem03_label17.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 20ed64ec 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/Problem03_label17.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 701e9457aeeafe35fa3f13ae34dba6c551881db9 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.1-dev-20ed64e [2021-08-25 20:45:36,208 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-08-25 20:45:36,210 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-08-25 20:45:36,235 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-08-25 20:45:36,236 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-08-25 20:45:36,236 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-08-25 20:45:36,241 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-08-25 20:45:36,242 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-08-25 20:45:36,243 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-08-25 20:45:36,247 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-08-25 20:45:36,248 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-08-25 20:45:36,249 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-08-25 20:45:36,249 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-08-25 20:45:36,250 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-08-25 20:45:36,252 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-08-25 20:45:36,254 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-08-25 20:45:36,256 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-08-25 20:45:36,256 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-08-25 20:45:36,259 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-08-25 20:45:36,261 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-08-25 20:45:36,264 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-08-25 20:45:36,265 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-08-25 20:45:36,268 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-08-25 20:45:36,268 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-08-25 20:45:36,272 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-08-25 20:45:36,275 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-08-25 20:45:36,275 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-08-25 20:45:36,276 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-08-25 20:45:36,276 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-08-25 20:45:36,277 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-08-25 20:45:36,278 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-08-25 20:45:36,278 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-08-25 20:45:36,279 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-08-25 20:45:36,281 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-08-25 20:45:36,282 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-08-25 20:45:36,282 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-08-25 20:45:36,283 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-08-25 20:45:36,284 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-08-25 20:45:36,284 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-08-25 20:45:36,284 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-08-25 20:45:36,285 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-08-25 20:45:36,286 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-08-25 20:45:36,311 INFO L113 SettingsManager]: Loading preferences was successful [2021-08-25 20:45:36,312 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-08-25 20:45:36,313 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-08-25 20:45:36,313 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-08-25 20:45:36,314 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-08-25 20:45:36,314 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-08-25 20:45:36,314 INFO L138 SettingsManager]: * Use SBE=true [2021-08-25 20:45:36,315 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-08-25 20:45:36,315 INFO L138 SettingsManager]: * sizeof long=4 [2021-08-25 20:45:36,315 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-08-25 20:45:36,315 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-08-25 20:45:36,316 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-08-25 20:45:36,316 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-08-25 20:45:36,316 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-08-25 20:45:36,316 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-08-25 20:45:36,316 INFO L138 SettingsManager]: * sizeof long double=12 [2021-08-25 20:45:36,316 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-08-25 20:45:36,316 INFO L138 SettingsManager]: * Use constant arrays=true [2021-08-25 20:45:36,316 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-08-25 20:45:36,317 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-08-25 20:45:36,317 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-08-25 20:45:36,317 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-08-25 20:45:36,321 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-08-25 20:45:36,322 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-08-25 20:45:36,322 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-08-25 20:45:36,322 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-08-25 20:45:36,322 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-08-25 20:45:36,322 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-08-25 20:45:36,322 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-08-25 20:45:36,323 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-08-25 20:45:36,323 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 701e9457aeeafe35fa3f13ae34dba6c551881db9 [2021-08-25 20:45:36,583 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-08-25 20:45:36,601 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-08-25 20:45:36,603 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-08-25 20:45:36,605 INFO L271 PluginConnector]: Initializing CDTParser... [2021-08-25 20:45:36,605 INFO L275 PluginConnector]: CDTParser initialized [2021-08-25 20:45:36,606 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/eca-rers2012/Problem03_label17.c [2021-08-25 20:45:36,665 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/647b29a79/36391c7e27174ab88e1a0dc3a323110d/FLAGd86fb5a2e [2021-08-25 20:45:37,211 INFO L306 CDTParser]: Found 1 translation units. [2021-08-25 20:45:37,211 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/eca-rers2012/Problem03_label17.c [2021-08-25 20:45:37,220 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/647b29a79/36391c7e27174ab88e1a0dc3a323110d/FLAGd86fb5a2e [2021-08-25 20:45:37,487 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/647b29a79/36391c7e27174ab88e1a0dc3a323110d [2021-08-25 20:45:37,490 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-08-25 20:45:37,492 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-08-25 20:45:37,493 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-08-25 20:45:37,493 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-08-25 20:45:37,496 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-08-25 20:45:37,496 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.08 08:45:37" (1/1) ... [2021-08-25 20:45:37,497 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3b1a83ce and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 08:45:37, skipping insertion in model container [2021-08-25 20:45:37,498 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.08 08:45:37" (1/1) ... [2021-08-25 20:45:37,503 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-08-25 20:45:37,553 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-08-25 20:45:37,941 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/eca-rers2012/Problem03_label17.c[61094,61107] [2021-08-25 20:45:37,962 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-08-25 20:45:37,969 INFO L203 MainTranslator]: Completed pre-run [2021-08-25 20:45:38,109 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/eca-rers2012/Problem03_label17.c[61094,61107] [2021-08-25 20:45:38,114 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-08-25 20:45:38,125 INFO L208 MainTranslator]: Completed translation [2021-08-25 20:45:38,125 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 08:45:38 WrapperNode [2021-08-25 20:45:38,126 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-08-25 20:45:38,126 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-08-25 20:45:38,127 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-08-25 20:45:38,127 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-08-25 20:45:38,131 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 08:45:38" (1/1) ... [2021-08-25 20:45:38,168 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 08:45:38" (1/1) ... [2021-08-25 20:45:38,249 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-08-25 20:45:38,250 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-08-25 20:45:38,250 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-08-25 20:45:38,250 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-08-25 20:45:38,256 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 08:45:38" (1/1) ... [2021-08-25 20:45:38,256 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 08:45:38" (1/1) ... [2021-08-25 20:45:38,264 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 08:45:38" (1/1) ... [2021-08-25 20:45:38,264 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 08:45:38" (1/1) ... [2021-08-25 20:45:38,290 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 08:45:38" (1/1) ... [2021-08-25 20:45:38,299 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 08:45:38" (1/1) ... [2021-08-25 20:45:38,311 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 08:45:38" (1/1) ... [2021-08-25 20:45:38,324 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-08-25 20:45:38,325 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-08-25 20:45:38,325 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-08-25 20:45:38,325 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-08-25 20:45:38,326 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 08:45:38" (1/1) ... [2021-08-25 20:45:38,331 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-08-25 20:45:38,336 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-25 20:45:38,378 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-08-25 20:45:38,397 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-08-25 20:45:38,413 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-08-25 20:45:38,413 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-08-25 20:45:38,413 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-08-25 20:45:38,414 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-08-25 20:45:39,867 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-08-25 20:45:39,867 INFO L299 CfgBuilder]: Removed 7 assume(true) statements. [2021-08-25 20:45:39,870 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.08 08:45:39 BoogieIcfgContainer [2021-08-25 20:45:39,870 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-08-25 20:45:39,871 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-08-25 20:45:39,871 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-08-25 20:45:39,873 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-08-25 20:45:39,873 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.08 08:45:37" (1/3) ... [2021-08-25 20:45:39,874 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@68120b9f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.08 08:45:39, skipping insertion in model container [2021-08-25 20:45:39,874 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 08:45:38" (2/3) ... [2021-08-25 20:45:39,874 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@68120b9f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.08 08:45:39, skipping insertion in model container [2021-08-25 20:45:39,874 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.08 08:45:39" (3/3) ... [2021-08-25 20:45:39,875 INFO L111 eAbstractionObserver]: Analyzing ICFG Problem03_label17.c [2021-08-25 20:45:39,897 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-08-25 20:45:39,897 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-08-25 20:45:39,940 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-08-25 20:45:39,945 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-08-25 20:45:39,946 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-08-25 20:45:39,964 INFO L276 IsEmpty]: Start isEmpty. Operand has 302 states, 300 states have (on average 1.73) internal successors, (519), 301 states have internal predecessors, (519), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-25 20:45:39,982 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2021-08-25 20:45:39,982 INFO L504 BasicCegarLoop]: Found error trace [2021-08-25 20:45:39,983 INFO L512 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-25 20:45:39,984 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-25 20:45:39,987 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-25 20:45:39,988 INFO L82 PathProgramCache]: Analyzing trace with hash -1830500685, now seen corresponding path program 1 times [2021-08-25 20:45:40,000 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-25 20:45:40,001 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [931580843] [2021-08-25 20:45:40,001 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-25 20:45:40,002 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-25 20:45:40,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-25 20:45:40,368 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-25 20:45:40,368 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-25 20:45:40,368 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [931580843] [2021-08-25 20:45:40,369 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [931580843] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-25 20:45:40,369 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-25 20:45:40,369 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-08-25 20:45:40,373 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1039148756] [2021-08-25 20:45:40,377 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-25 20:45:40,377 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-25 20:45:40,386 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-25 20:45:40,386 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-25 20:45:40,389 INFO L87 Difference]: Start difference. First operand has 302 states, 300 states have (on average 1.73) internal successors, (519), 301 states have internal predecessors, (519), 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 66.33333333333333) internal successors, (199), 2 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-25 20:45:41,370 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-25 20:45:41,370 INFO L93 Difference]: Finished difference Result 857 states and 1498 transitions. [2021-08-25 20:45:41,370 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-25 20:45:41,371 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 66.33333333333333) internal successors, (199), 2 states have internal predecessors, (199), 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 199 [2021-08-25 20:45:41,372 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-25 20:45:41,382 INFO L225 Difference]: With dead ends: 857 [2021-08-25 20:45:41,382 INFO L226 Difference]: Without dead ends: 462 [2021-08-25 20:45:41,385 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 3.2ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-25 20:45:41,398 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 462 states. [2021-08-25 20:45:41,424 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 462 to 460. [2021-08-25 20:45:41,426 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 460 states, 459 states have (on average 1.5381263616557734) internal successors, (706), 459 states have internal predecessors, (706), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-25 20:45:41,427 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 460 states to 460 states and 706 transitions. [2021-08-25 20:45:41,429 INFO L78 Accepts]: Start accepts. Automaton has 460 states and 706 transitions. Word has length 199 [2021-08-25 20:45:41,433 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-25 20:45:41,433 INFO L470 AbstractCegarLoop]: Abstraction has 460 states and 706 transitions. [2021-08-25 20:45:41,434 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 66.33333333333333) internal successors, (199), 2 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-25 20:45:41,434 INFO L276 IsEmpty]: Start isEmpty. Operand 460 states and 706 transitions. [2021-08-25 20:45:41,440 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 208 [2021-08-25 20:45:41,440 INFO L504 BasicCegarLoop]: Found error trace [2021-08-25 20:45:41,441 INFO L512 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-25 20:45:41,441 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-08-25 20:45:41,441 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-25 20:45:41,442 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-25 20:45:41,442 INFO L82 PathProgramCache]: Analyzing trace with hash -1740724172, now seen corresponding path program 1 times [2021-08-25 20:45:41,442 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-25 20:45:41,442 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1325007441] [2021-08-25 20:45:41,443 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-25 20:45:41,444 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-25 20:45:41,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-25 20:45:41,550 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-25 20:45:41,550 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-25 20:45:41,551 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1325007441] [2021-08-25 20:45:41,551 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1325007441] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-25 20:45:41,551 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-25 20:45:41,553 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-08-25 20:45:41,553 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1537705552] [2021-08-25 20:45:41,554 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-25 20:45:41,555 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-25 20:45:41,555 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-25 20:45:41,555 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-25 20:45:41,556 INFO L87 Difference]: Start difference. First operand 460 states and 706 transitions. Second operand has 3 states, 3 states have (on average 69.0) internal successors, (207), 2 states have internal predecessors, (207), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-25 20:45:42,210 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-25 20:45:42,210 INFO L93 Difference]: Finished difference Result 1344 states and 2079 transitions. [2021-08-25 20:45:42,211 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-25 20:45:42,211 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 69.0) internal successors, (207), 2 states have internal predecessors, (207), 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 207 [2021-08-25 20:45:42,211 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-25 20:45:42,214 INFO L225 Difference]: With dead ends: 1344 [2021-08-25 20:45:42,214 INFO L226 Difference]: Without dead ends: 886 [2021-08-25 20:45:42,216 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.6ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-25 20:45:42,218 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 886 states. [2021-08-25 20:45:42,240 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 886 to 870. [2021-08-25 20:45:42,242 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 870 states, 869 states have (on average 1.5120828538550057) internal successors, (1314), 869 states have internal predecessors, (1314), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-25 20:45:42,243 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 870 states to 870 states and 1314 transitions. [2021-08-25 20:45:42,244 INFO L78 Accepts]: Start accepts. Automaton has 870 states and 1314 transitions. Word has length 207 [2021-08-25 20:45:42,245 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-25 20:45:42,245 INFO L470 AbstractCegarLoop]: Abstraction has 870 states and 1314 transitions. [2021-08-25 20:45:42,245 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 69.0) internal successors, (207), 2 states have internal predecessors, (207), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-25 20:45:42,246 INFO L276 IsEmpty]: Start isEmpty. Operand 870 states and 1314 transitions. [2021-08-25 20:45:42,248 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 220 [2021-08-25 20:45:42,248 INFO L504 BasicCegarLoop]: Found error trace [2021-08-25 20:45:42,248 INFO L512 BasicCegarLoop]: trace histogram [4, 4, 4, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-25 20:45:42,248 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-08-25 20:45:42,249 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-25 20:45:42,255 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-25 20:45:42,256 INFO L82 PathProgramCache]: Analyzing trace with hash -672491987, now seen corresponding path program 1 times [2021-08-25 20:45:42,256 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-25 20:45:42,257 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1987286088] [2021-08-25 20:45:42,257 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-25 20:45:42,258 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-25 20:45:42,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-25 20:45:42,358 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 28 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-08-25 20:45:42,358 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-25 20:45:42,359 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1987286088] [2021-08-25 20:45:42,360 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1987286088] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-25 20:45:42,360 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-25 20:45:42,362 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-08-25 20:45:42,363 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [394440320] [2021-08-25 20:45:42,364 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-25 20:45:42,364 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-25 20:45:42,367 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-25 20:45:42,367 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-25 20:45:42,368 INFO L87 Difference]: Start difference. First operand 870 states and 1314 transitions. Second operand has 3 states, 3 states have (on average 71.33333333333333) internal successors, (214), 3 states have internal predecessors, (214), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-25 20:45:43,021 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-25 20:45:43,022 INFO L93 Difference]: Finished difference Result 2554 states and 3869 transitions. [2021-08-25 20:45:43,026 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-25 20:45:43,026 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 71.33333333333333) internal successors, (214), 3 states have internal predecessors, (214), 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 219 [2021-08-25 20:45:43,026 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-25 20:45:43,031 INFO L225 Difference]: With dead ends: 2554 [2021-08-25 20:45:43,032 INFO L226 Difference]: Without dead ends: 1686 [2021-08-25 20:45:43,033 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 2.0ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-25 20:45:43,034 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1686 states. [2021-08-25 20:45:43,055 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1686 to 1684. [2021-08-25 20:45:43,058 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1684 states, 1683 states have (on average 1.3368983957219251) internal successors, (2250), 1683 states have internal predecessors, (2250), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-25 20:45:43,061 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1684 states to 1684 states and 2250 transitions. [2021-08-25 20:45:43,061 INFO L78 Accepts]: Start accepts. Automaton has 1684 states and 2250 transitions. Word has length 219 [2021-08-25 20:45:43,061 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-25 20:45:43,061 INFO L470 AbstractCegarLoop]: Abstraction has 1684 states and 2250 transitions. [2021-08-25 20:45:43,062 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 71.33333333333333) internal successors, (214), 3 states have internal predecessors, (214), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-25 20:45:43,062 INFO L276 IsEmpty]: Start isEmpty. Operand 1684 states and 2250 transitions. [2021-08-25 20:45:43,065 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 223 [2021-08-25 20:45:43,065 INFO L504 BasicCegarLoop]: Found error trace [2021-08-25 20:45:43,065 INFO L512 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-25 20:45:43,065 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-08-25 20:45:43,065 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-25 20:45:43,066 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-25 20:45:43,067 INFO L82 PathProgramCache]: Analyzing trace with hash -1528061328, now seen corresponding path program 1 times [2021-08-25 20:45:43,067 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-25 20:45:43,068 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [11267581] [2021-08-25 20:45:43,068 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-25 20:45:43,068 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-25 20:45:43,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-25 20:45:43,148 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-25 20:45:43,149 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-25 20:45:43,149 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [11267581] [2021-08-25 20:45:43,152 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [11267581] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-25 20:45:43,153 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-25 20:45:43,153 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-08-25 20:45:43,153 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1768913510] [2021-08-25 20:45:43,154 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-25 20:45:43,154 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-25 20:45:43,155 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-25 20:45:43,155 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-25 20:45:43,156 INFO L87 Difference]: Start difference. First operand 1684 states and 2250 transitions. Second operand has 3 states, 3 states have (on average 74.0) internal successors, (222), 2 states have internal predecessors, (222), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-25 20:45:43,858 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-25 20:45:43,858 INFO L93 Difference]: Finished difference Result 5005 states and 6690 transitions. [2021-08-25 20:45:43,858 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-25 20:45:43,859 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 74.0) internal successors, (222), 2 states have internal predecessors, (222), 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 222 [2021-08-25 20:45:43,859 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-25 20:45:43,868 INFO L225 Difference]: With dead ends: 5005 [2021-08-25 20:45:43,868 INFO L226 Difference]: Without dead ends: 3323 [2021-08-25 20:45:43,871 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.7ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-25 20:45:43,873 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3323 states. [2021-08-25 20:45:43,914 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3323 to 3320. [2021-08-25 20:45:43,918 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3320 states, 3319 states have (on average 1.2853269056944863) internal successors, (4266), 3319 states have internal predecessors, (4266), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-25 20:45:43,926 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3320 states to 3320 states and 4266 transitions. [2021-08-25 20:45:43,926 INFO L78 Accepts]: Start accepts. Automaton has 3320 states and 4266 transitions. Word has length 222 [2021-08-25 20:45:43,926 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-25 20:45:43,926 INFO L470 AbstractCegarLoop]: Abstraction has 3320 states and 4266 transitions. [2021-08-25 20:45:43,927 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 74.0) internal successors, (222), 2 states have internal predecessors, (222), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-25 20:45:43,927 INFO L276 IsEmpty]: Start isEmpty. Operand 3320 states and 4266 transitions. [2021-08-25 20:45:43,933 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 235 [2021-08-25 20:45:43,933 INFO L504 BasicCegarLoop]: Found error trace [2021-08-25 20:45:43,934 INFO L512 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-25 20:45:43,934 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-08-25 20:45:43,934 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-25 20:45:43,935 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-25 20:45:43,935 INFO L82 PathProgramCache]: Analyzing trace with hash -188708987, now seen corresponding path program 1 times [2021-08-25 20:45:43,935 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-25 20:45:43,935 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [583627109] [2021-08-25 20:45:43,936 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-25 20:45:43,936 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-25 20:45:43,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-25 20:45:43,999 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 46 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-08-25 20:45:43,999 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-25 20:45:43,999 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [583627109] [2021-08-25 20:45:43,999 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [583627109] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-25 20:45:44,000 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-25 20:45:44,000 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-08-25 20:45:44,000 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [639162142] [2021-08-25 20:45:44,000 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-25 20:45:44,000 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-25 20:45:44,001 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-25 20:45:44,001 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-25 20:45:44,001 INFO L87 Difference]: Start difference. First operand 3320 states and 4266 transitions. Second operand has 3 states, 3 states have (on average 76.33333333333333) internal successors, (229), 3 states have internal predecessors, (229), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-25 20:45:44,745 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-25 20:45:44,745 INFO L93 Difference]: Finished difference Result 9900 states and 12723 transitions. [2021-08-25 20:45:44,753 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-25 20:45:44,753 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 76.33333333333333) internal successors, (229), 3 states have internal predecessors, (229), 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 234 [2021-08-25 20:45:44,753 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-25 20:45:44,769 INFO L225 Difference]: With dead ends: 9900 [2021-08-25 20:45:44,769 INFO L226 Difference]: Without dead ends: 6582 [2021-08-25 20:45:44,773 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 3.2ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-25 20:45:44,776 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6582 states. [2021-08-25 20:45:44,839 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6582 to 6577. [2021-08-25 20:45:44,846 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6577 states, 6576 states have (on average 1.2253649635036497) internal successors, (8058), 6576 states have internal predecessors, (8058), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-25 20:45:44,856 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6577 states to 6577 states and 8058 transitions. [2021-08-25 20:45:44,857 INFO L78 Accepts]: Start accepts. Automaton has 6577 states and 8058 transitions. Word has length 234 [2021-08-25 20:45:44,857 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-25 20:45:44,857 INFO L470 AbstractCegarLoop]: Abstraction has 6577 states and 8058 transitions. [2021-08-25 20:45:44,857 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 76.33333333333333) internal successors, (229), 3 states have internal predecessors, (229), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-25 20:45:44,857 INFO L276 IsEmpty]: Start isEmpty. Operand 6577 states and 8058 transitions. [2021-08-25 20:45:44,865 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 238 [2021-08-25 20:45:44,865 INFO L504 BasicCegarLoop]: Found error trace [2021-08-25 20:45:44,866 INFO L512 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-25 20:45:44,866 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-08-25 20:45:44,866 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-25 20:45:44,866 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-25 20:45:44,866 INFO L82 PathProgramCache]: Analyzing trace with hash -625869969, now seen corresponding path program 1 times [2021-08-25 20:45:44,867 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-25 20:45:44,867 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [248519501] [2021-08-25 20:45:44,867 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-25 20:45:44,867 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-25 20:45:44,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-25 20:45:44,924 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 37 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-25 20:45:44,924 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-25 20:45:44,924 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [248519501] [2021-08-25 20:45:44,924 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [248519501] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-25 20:45:44,925 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1436546] [2021-08-25 20:45:44,925 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-25 20:45:44,925 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-25 20:45:44,925 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-25 20:45:44,933 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-08-25 20:45:44,942 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-08-25 20:45:45,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-25 20:45:45,086 INFO L263 TraceCheckSpWp]: Trace formula consists of 451 conjuncts, 3 conjunts are in the unsatisfiable core [2021-08-25 20:45:45,096 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-25 20:45:45,858 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 37 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-08-25 20:45:45,858 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1436546] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-25 20:45:45,858 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-08-25 20:45:45,858 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 5 [2021-08-25 20:45:45,859 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [881275630] [2021-08-25 20:45:45,860 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-25 20:45:45,860 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-25 20:45:45,860 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-25 20:45:45,861 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-08-25 20:45:45,861 INFO L87 Difference]: Start difference. First operand 6577 states and 8058 transitions. Second operand has 3 states, 3 states have (on average 77.33333333333333) internal successors, (232), 3 states have internal predecessors, (232), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-25 20:45:46,540 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-25 20:45:46,541 INFO L93 Difference]: Finished difference Result 12942 states and 15829 transitions. [2021-08-25 20:45:46,541 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-25 20:45:46,541 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 77.33333333333333) internal successors, (232), 3 states have internal predecessors, (232), 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 237 [2021-08-25 20:45:46,542 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-25 20:45:46,558 INFO L225 Difference]: With dead ends: 12942 [2021-08-25 20:45:46,558 INFO L226 Difference]: Without dead ends: 6367 [2021-08-25 20:45:46,564 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 239 GetRequests, 236 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 10.4ms TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-08-25 20:45:46,569 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6367 states. [2021-08-25 20:45:46,638 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6367 to 6366. [2021-08-25 20:45:46,644 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6366 states, 6365 states have (on average 1.1806755695208169) internal successors, (7515), 6365 states have internal predecessors, (7515), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-25 20:45:46,655 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6366 states to 6366 states and 7515 transitions. [2021-08-25 20:45:46,656 INFO L78 Accepts]: Start accepts. Automaton has 6366 states and 7515 transitions. Word has length 237 [2021-08-25 20:45:46,656 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-25 20:45:46,656 INFO L470 AbstractCegarLoop]: Abstraction has 6366 states and 7515 transitions. [2021-08-25 20:45:46,656 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 77.33333333333333) internal successors, (232), 3 states have internal predecessors, (232), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-25 20:45:46,657 INFO L276 IsEmpty]: Start isEmpty. Operand 6366 states and 7515 transitions. [2021-08-25 20:45:46,665 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 254 [2021-08-25 20:45:46,666 INFO L504 BasicCegarLoop]: Found error trace [2021-08-25 20:45:46,666 INFO L512 BasicCegarLoop]: trace histogram [4, 4, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-25 20:45:46,690 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2021-08-25 20:45:46,881 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2021-08-25 20:45:46,881 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-25 20:45:46,881 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-25 20:45:46,882 INFO L82 PathProgramCache]: Analyzing trace with hash -293215933, now seen corresponding path program 1 times [2021-08-25 20:45:46,882 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-25 20:45:46,882 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2029984686] [2021-08-25 20:45:46,882 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-25 20:45:46,882 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-25 20:45:46,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-25 20:45:46,944 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 49 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2021-08-25 20:45:46,945 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-25 20:45:46,945 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2029984686] [2021-08-25 20:45:46,945 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2029984686] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-25 20:45:46,945 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-25 20:45:46,945 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-08-25 20:45:46,945 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [678548591] [2021-08-25 20:45:46,946 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-25 20:45:46,946 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-25 20:45:46,947 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-25 20:45:46,947 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-25 20:45:46,947 INFO L87 Difference]: Start difference. First operand 6366 states and 7515 transitions. Second operand has 3 states, 3 states have (on average 81.33333333333333) internal successors, (244), 2 states have internal predecessors, (244), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-25 20:45:47,688 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-25 20:45:47,688 INFO L93 Difference]: Finished difference Result 15601 states and 18423 transitions. [2021-08-25 20:45:47,688 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-25 20:45:47,688 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 81.33333333333333) internal successors, (244), 2 states have internal predecessors, (244), 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 253 [2021-08-25 20:45:47,688 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-25 20:45:47,708 INFO L225 Difference]: With dead ends: 15601 [2021-08-25 20:45:47,709 INFO L226 Difference]: Without dead ends: 9237 [2021-08-25 20:45:47,716 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 3.3ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-25 20:45:47,722 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9237 states. [2021-08-25 20:45:47,796 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9237 to 9224. [2021-08-25 20:45:47,816 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9224 states, 9223 states have (on average 1.1709855795294373) internal successors, (10800), 9223 states have internal predecessors, (10800), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-25 20:45:47,826 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9224 states to 9224 states and 10800 transitions. [2021-08-25 20:45:47,827 INFO L78 Accepts]: Start accepts. Automaton has 9224 states and 10800 transitions. Word has length 253 [2021-08-25 20:45:47,827 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-25 20:45:47,827 INFO L470 AbstractCegarLoop]: Abstraction has 9224 states and 10800 transitions. [2021-08-25 20:45:47,828 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 81.33333333333333) internal successors, (244), 2 states have internal predecessors, (244), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-25 20:45:47,828 INFO L276 IsEmpty]: Start isEmpty. Operand 9224 states and 10800 transitions. [2021-08-25 20:45:47,840 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 258 [2021-08-25 20:45:47,840 INFO L504 BasicCegarLoop]: Found error trace [2021-08-25 20:45:47,840 INFO L512 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 4, 4, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-25 20:45:47,841 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-08-25 20:45:47,841 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-25 20:45:47,841 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-25 20:45:47,841 INFO L82 PathProgramCache]: Analyzing trace with hash -1415694560, now seen corresponding path program 1 times [2021-08-25 20:45:47,841 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-25 20:45:47,841 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1230229389] [2021-08-25 20:45:47,842 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-25 20:45:47,844 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-25 20:45:47,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-25 20:45:47,903 INFO L134 CoverageAnalysis]: Checked inductivity of 104 backedges. 68 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2021-08-25 20:45:47,904 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-25 20:45:47,904 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1230229389] [2021-08-25 20:45:47,904 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1230229389] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-25 20:45:47,904 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-25 20:45:47,904 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-08-25 20:45:47,904 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [368911172] [2021-08-25 20:45:47,905 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-25 20:45:47,905 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-25 20:45:47,905 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-25 20:45:47,905 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-25 20:45:47,906 INFO L87 Difference]: Start difference. First operand 9224 states and 10800 transitions. Second operand has 3 states, 3 states have (on average 74.33333333333333) internal successors, (223), 3 states have internal predecessors, (223), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-25 20:45:48,688 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-25 20:45:48,688 INFO L93 Difference]: Finished difference Result 20891 states and 24582 transitions. [2021-08-25 20:45:48,689 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-25 20:45:48,689 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 74.33333333333333) internal successors, (223), 3 states have internal predecessors, (223), 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 257 [2021-08-25 20:45:48,689 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-25 20:45:48,706 INFO L225 Difference]: With dead ends: 20891 [2021-08-25 20:45:48,706 INFO L226 Difference]: Without dead ends: 11669 [2021-08-25 20:45:48,715 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 3.3ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-25 20:45:48,726 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11669 states. [2021-08-25 20:45:48,819 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11669 to 10844. [2021-08-25 20:45:48,829 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10844 states, 10843 states have (on average 1.160011067047865) internal successors, (12578), 10843 states have internal predecessors, (12578), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-25 20:45:48,843 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10844 states to 10844 states and 12578 transitions. [2021-08-25 20:45:48,844 INFO L78 Accepts]: Start accepts. Automaton has 10844 states and 12578 transitions. Word has length 257 [2021-08-25 20:45:48,844 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-25 20:45:48,844 INFO L470 AbstractCegarLoop]: Abstraction has 10844 states and 12578 transitions. [2021-08-25 20:45:48,844 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 74.33333333333333) internal successors, (223), 3 states have internal predecessors, (223), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-25 20:45:48,844 INFO L276 IsEmpty]: Start isEmpty. Operand 10844 states and 12578 transitions. [2021-08-25 20:45:48,860 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 267 [2021-08-25 20:45:48,860 INFO L504 BasicCegarLoop]: Found error trace [2021-08-25 20:45:48,861 INFO L512 BasicCegarLoop]: trace histogram [6, 6, 5, 5, 5, 4, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-25 20:45:48,861 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-08-25 20:45:48,861 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-25 20:45:48,861 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-25 20:45:48,861 INFO L82 PathProgramCache]: Analyzing trace with hash -511645476, now seen corresponding path program 1 times [2021-08-25 20:45:48,862 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-25 20:45:48,862 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1652946707] [2021-08-25 20:45:48,862 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-25 20:45:48,862 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-25 20:45:48,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-25 20:45:48,933 INFO L134 CoverageAnalysis]: Checked inductivity of 115 backedges. 90 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2021-08-25 20:45:48,934 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-25 20:45:48,934 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1652946707] [2021-08-25 20:45:48,936 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1652946707] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-25 20:45:48,936 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-25 20:45:48,936 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-08-25 20:45:48,936 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [113969631] [2021-08-25 20:45:48,937 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-25 20:45:48,938 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-25 20:45:48,938 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-25 20:45:48,938 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-25 20:45:48,938 INFO L87 Difference]: Start difference. First operand 10844 states and 12578 transitions. Second operand has 3 states, 3 states have (on average 83.33333333333333) internal successors, (250), 3 states have internal predecessors, (250), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-25 20:45:49,253 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-25 20:45:49,253 INFO L93 Difference]: Finished difference Result 30886 states and 35840 transitions. [2021-08-25 20:45:49,256 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-25 20:45:49,256 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 83.33333333333333) internal successors, (250), 3 states have internal predecessors, (250), 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 266 [2021-08-25 20:45:49,256 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-25 20:45:49,288 INFO L225 Difference]: With dead ends: 30886 [2021-08-25 20:45:49,289 INFO L226 Difference]: Without dead ends: 20450 [2021-08-25 20:45:49,303 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.5ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-25 20:45:49,328 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20450 states. [2021-08-25 20:45:49,493 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20450 to 20244. [2021-08-25 20:45:49,513 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20244 states, 20243 states have (on average 1.1451365904263202) internal successors, (23181), 20243 states have internal predecessors, (23181), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-25 20:45:49,536 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20244 states to 20244 states and 23181 transitions. [2021-08-25 20:45:49,536 INFO L78 Accepts]: Start accepts. Automaton has 20244 states and 23181 transitions. Word has length 266 [2021-08-25 20:45:49,537 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-25 20:45:49,537 INFO L470 AbstractCegarLoop]: Abstraction has 20244 states and 23181 transitions. [2021-08-25 20:45:49,537 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 83.33333333333333) internal successors, (250), 3 states have internal predecessors, (250), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-25 20:45:49,537 INFO L276 IsEmpty]: Start isEmpty. Operand 20244 states and 23181 transitions. [2021-08-25 20:45:49,561 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 268 [2021-08-25 20:45:49,562 INFO L504 BasicCegarLoop]: Found error trace [2021-08-25 20:45:49,562 INFO L512 BasicCegarLoop]: trace histogram [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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-25 20:45:49,562 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-08-25 20:45:49,562 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-25 20:45:49,563 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-25 20:45:49,563 INFO L82 PathProgramCache]: Analyzing trace with hash 1994920654, now seen corresponding path program 1 times [2021-08-25 20:45:49,563 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-25 20:45:49,563 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1771121434] [2021-08-25 20:45:49,563 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-25 20:45:49,563 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-25 20:45:49,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-25 20:45:49,628 INFO L134 CoverageAnalysis]: Checked inductivity of 109 backedges. 73 proven. 6 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2021-08-25 20:45:49,628 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-25 20:45:49,629 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1771121434] [2021-08-25 20:45:49,629 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1771121434] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-25 20:45:49,630 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [549999668] [2021-08-25 20:45:49,630 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-25 20:45:49,630 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-25 20:45:49,631 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-25 20:45:49,641 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-08-25 20:45:49,683 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-08-25 20:45:49,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-25 20:45:49,905 INFO L263 TraceCheckSpWp]: Trace formula consists of 514 conjuncts, 3 conjunts are in the unsatisfiable core [2021-08-25 20:45:49,916 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-25 20:45:50,488 INFO L134 CoverageAnalysis]: Checked inductivity of 109 backedges. 103 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-08-25 20:45:50,489 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [549999668] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-25 20:45:50,489 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-08-25 20:45:50,489 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 5 [2021-08-25 20:45:50,489 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2025258720] [2021-08-25 20:45:50,490 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-25 20:45:50,491 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-25 20:45:50,492 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-25 20:45:50,492 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-08-25 20:45:50,492 INFO L87 Difference]: Start difference. First operand 20244 states and 23181 transitions. Second operand has 3 states, 3 states have (on average 87.33333333333333) internal successors, (262), 3 states have internal predecessors, (262), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-25 20:45:51,331 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-25 20:45:51,331 INFO L93 Difference]: Finished difference Result 40883 states and 46679 transitions. [2021-08-25 20:45:51,331 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-25 20:45:51,331 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 87.33333333333333) internal successors, (262), 3 states have internal predecessors, (262), 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 267 [2021-08-25 20:45:51,332 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-25 20:45:51,360 INFO L225 Difference]: With dead ends: 40883 [2021-08-25 20:45:51,360 INFO L226 Difference]: Without dead ends: 20438 [2021-08-25 20:45:51,376 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 269 GetRequests, 266 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 10.6ms TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-08-25 20:45:51,390 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20438 states. [2021-08-25 20:45:51,554 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20438 to 20231. [2021-08-25 20:45:51,570 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20231 states, 20230 states have (on average 1.121700444883836) internal successors, (22692), 20230 states have internal predecessors, (22692), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-25 20:45:51,591 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20231 states to 20231 states and 22692 transitions. [2021-08-25 20:45:51,591 INFO L78 Accepts]: Start accepts. Automaton has 20231 states and 22692 transitions. Word has length 267 [2021-08-25 20:45:51,592 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-25 20:45:51,592 INFO L470 AbstractCegarLoop]: Abstraction has 20231 states and 22692 transitions. [2021-08-25 20:45:51,592 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 87.33333333333333) internal successors, (262), 3 states have internal predecessors, (262), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-25 20:45:51,592 INFO L276 IsEmpty]: Start isEmpty. Operand 20231 states and 22692 transitions. [2021-08-25 20:45:51,621 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 270 [2021-08-25 20:45:51,621 INFO L504 BasicCegarLoop]: Found error trace [2021-08-25 20:45:51,621 INFO L512 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, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-25 20:45:51,645 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2021-08-25 20:45:51,836 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,SelfDestructingSolverStorable9 [2021-08-25 20:45:51,837 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-25 20:45:51,837 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-25 20:45:51,838 INFO L82 PathProgramCache]: Analyzing trace with hash 1219310858, now seen corresponding path program 1 times [2021-08-25 20:45:51,838 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-25 20:45:51,838 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [423745832] [2021-08-25 20:45:51,838 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-25 20:45:51,838 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-25 20:45:51,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-25 20:45:51,920 INFO L134 CoverageAnalysis]: Checked inductivity of 94 backedges. 68 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2021-08-25 20:45:51,920 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-25 20:45:51,921 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [423745832] [2021-08-25 20:45:51,921 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [423745832] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-25 20:45:51,921 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-25 20:45:51,921 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-08-25 20:45:51,921 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2043413241] [2021-08-25 20:45:51,921 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-25 20:45:51,922 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-25 20:45:51,922 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-25 20:45:51,922 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-25 20:45:51,922 INFO L87 Difference]: Start difference. First operand 20231 states and 22692 transitions. Second operand has 3 states, 3 states have (on average 81.33333333333333) internal successors, (244), 2 states have internal predecessors, (244), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-25 20:45:52,775 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-25 20:45:52,775 INFO L93 Difference]: Finished difference Result 48584 states and 54920 transitions. [2021-08-25 20:45:52,776 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-25 20:45:52,776 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 81.33333333333333) internal successors, (244), 2 states have internal predecessors, (244), 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 269 [2021-08-25 20:45:52,776 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-25 20:45:52,822 INFO L225 Difference]: With dead ends: 48584 [2021-08-25 20:45:52,822 INFO L226 Difference]: Without dead ends: 28152 [2021-08-25 20:45:52,841 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.4ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-25 20:45:52,864 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28152 states. [2021-08-25 20:45:53,159 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28152 to 25509. [2021-08-25 20:45:53,177 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 25509 states, 25508 states have (on average 1.1115728398933669) internal successors, (28354), 25508 states have internal predecessors, (28354), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-25 20:45:53,212 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25509 states to 25509 states and 28354 transitions. [2021-08-25 20:45:53,213 INFO L78 Accepts]: Start accepts. Automaton has 25509 states and 28354 transitions. Word has length 269 [2021-08-25 20:45:53,213 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-25 20:45:53,213 INFO L470 AbstractCegarLoop]: Abstraction has 25509 states and 28354 transitions. [2021-08-25 20:45:53,213 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 81.33333333333333) internal successors, (244), 2 states have internal predecessors, (244), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-25 20:45:53,214 INFO L276 IsEmpty]: Start isEmpty. Operand 25509 states and 28354 transitions. [2021-08-25 20:45:53,235 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 274 [2021-08-25 20:45:53,235 INFO L504 BasicCegarLoop]: Found error trace [2021-08-25 20:45:53,236 INFO L512 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-25 20:45:53,236 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-08-25 20:45:53,236 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-25 20:45:53,237 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-25 20:45:53,237 INFO L82 PathProgramCache]: Analyzing trace with hash -188914331, now seen corresponding path program 1 times [2021-08-25 20:45:53,237 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-25 20:45:53,237 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [385945910] [2021-08-25 20:45:53,237 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-25 20:45:53,237 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-25 20:45:53,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-25 20:45:53,318 INFO L134 CoverageAnalysis]: Checked inductivity of 127 backedges. 97 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2021-08-25 20:45:53,318 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-25 20:45:53,318 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [385945910] [2021-08-25 20:45:53,318 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [385945910] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-25 20:45:53,318 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-25 20:45:53,318 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-08-25 20:45:53,319 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [81163913] [2021-08-25 20:45:53,319 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-08-25 20:45:53,319 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-25 20:45:53,319 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-08-25 20:45:53,320 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-08-25 20:45:53,320 INFO L87 Difference]: Start difference. First operand 25509 states and 28354 transitions. Second operand has 4 states, 4 states have (on average 61.0) internal successors, (244), 3 states have internal predecessors, (244), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-25 20:45:54,543 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-25 20:45:54,543 INFO L93 Difference]: Finished difference Result 50650 states and 56328 transitions. [2021-08-25 20:45:54,543 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-08-25 20:45:54,544 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 61.0) internal successors, (244), 3 states have internal predecessors, (244), 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 273 [2021-08-25 20:45:54,544 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-25 20:45:54,587 INFO L225 Difference]: With dead ends: 50650 [2021-08-25 20:45:54,587 INFO L226 Difference]: Without dead ends: 25549 [2021-08-25 20:45:54,600 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 5.3ms TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-08-25 20:45:54,617 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25549 states. [2021-08-25 20:45:54,810 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25549 to 24697. [2021-08-25 20:45:54,830 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24697 states, 24696 states have (on average 1.1109491415613864) internal successors, (27436), 24696 states have internal predecessors, (27436), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-25 20:45:54,861 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24697 states to 24697 states and 27436 transitions. [2021-08-25 20:45:54,861 INFO L78 Accepts]: Start accepts. Automaton has 24697 states and 27436 transitions. Word has length 273 [2021-08-25 20:45:54,862 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-25 20:45:54,862 INFO L470 AbstractCegarLoop]: Abstraction has 24697 states and 27436 transitions. [2021-08-25 20:45:54,862 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 61.0) internal successors, (244), 3 states have internal predecessors, (244), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-25 20:45:54,862 INFO L276 IsEmpty]: Start isEmpty. Operand 24697 states and 27436 transitions. [2021-08-25 20:45:54,880 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 274 [2021-08-25 20:45:54,881 INFO L504 BasicCegarLoop]: Found error trace [2021-08-25 20:45:54,881 INFO L512 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, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-25 20:45:54,881 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2021-08-25 20:45:54,881 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-25 20:45:54,882 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-25 20:45:54,882 INFO L82 PathProgramCache]: Analyzing trace with hash -594512537, now seen corresponding path program 1 times [2021-08-25 20:45:54,882 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-25 20:45:54,882 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [395283124] [2021-08-25 20:45:54,882 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-25 20:45:54,882 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-25 20:45:54,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-25 20:45:55,068 INFO L134 CoverageAnalysis]: Checked inductivity of 73 backedges. 73 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-25 20:45:55,070 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-25 20:45:55,070 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [395283124] [2021-08-25 20:45:55,071 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [395283124] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-25 20:45:55,071 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-25 20:45:55,071 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-08-25 20:45:55,071 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [856395568] [2021-08-25 20:45:55,071 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-25 20:45:55,072 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-25 20:45:55,072 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-25 20:45:55,072 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-25 20:45:55,073 INFO L87 Difference]: Start difference. First operand 24697 states and 27436 transitions. Second operand has 3 states, 3 states have (on average 91.0) internal successors, (273), 2 states have internal predecessors, (273), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-25 20:45:55,866 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-25 20:45:55,867 INFO L93 Difference]: Finished difference Result 52452 states and 58101 transitions. [2021-08-25 20:45:55,873 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-25 20:45:55,873 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 91.0) internal successors, (273), 2 states have internal predecessors, (273), 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 273 [2021-08-25 20:45:55,873 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-25 20:45:55,906 INFO L225 Difference]: With dead ends: 52452 [2021-08-25 20:45:55,906 INFO L226 Difference]: Without dead ends: 28163 [2021-08-25 20:45:55,924 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 4.1ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-25 20:45:55,943 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28163 states. [2021-08-25 20:45:56,185 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28163 to 27545. [2021-08-25 20:45:56,204 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 27545 states, 27544 states have (on average 1.1048504211443508) internal successors, (30432), 27544 states have internal predecessors, (30432), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-25 20:45:56,234 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27545 states to 27545 states and 30432 transitions. [2021-08-25 20:45:56,234 INFO L78 Accepts]: Start accepts. Automaton has 27545 states and 30432 transitions. Word has length 273 [2021-08-25 20:45:56,234 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-25 20:45:56,235 INFO L470 AbstractCegarLoop]: Abstraction has 27545 states and 30432 transitions. [2021-08-25 20:45:56,235 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 91.0) internal successors, (273), 2 states have internal predecessors, (273), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-25 20:45:56,235 INFO L276 IsEmpty]: Start isEmpty. Operand 27545 states and 30432 transitions. [2021-08-25 20:45:56,253 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 281 [2021-08-25 20:45:56,253 INFO L504 BasicCegarLoop]: Found error trace [2021-08-25 20:45:56,253 INFO L512 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-25 20:45:56,253 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2021-08-25 20:45:56,254 INFO L402 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-25 20:45:56,254 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-25 20:45:56,254 INFO L82 PathProgramCache]: Analyzing trace with hash 828148250, now seen corresponding path program 1 times [2021-08-25 20:45:56,254 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-25 20:45:56,254 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [283523309] [2021-08-25 20:45:56,254 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-25 20:45:56,255 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-25 20:45:56,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-25 20:45:56,367 INFO L134 CoverageAnalysis]: Checked inductivity of 154 backedges. 92 proven. 6 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2021-08-25 20:45:56,367 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-25 20:45:56,368 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [283523309] [2021-08-25 20:45:56,368 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [283523309] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-25 20:45:56,368 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [228347997] [2021-08-25 20:45:56,368 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-25 20:45:56,368 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-25 20:45:56,368 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-25 20:45:56,374 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-08-25 20:45:56,405 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2021-08-25 20:45:56,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-25 20:45:56,666 INFO L263 TraceCheckSpWp]: Trace formula consists of 567 conjuncts, 2 conjunts are in the unsatisfiable core [2021-08-25 20:45:56,678 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-25 20:45:57,358 INFO L134 CoverageAnalysis]: Checked inductivity of 154 backedges. 99 proven. 0 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2021-08-25 20:45:57,358 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [228347997] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-25 20:45:57,358 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-08-25 20:45:57,358 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 5 [2021-08-25 20:45:57,359 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [44227163] [2021-08-25 20:45:57,359 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-25 20:45:57,359 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-25 20:45:57,362 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-25 20:45:57,362 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-08-25 20:45:57,362 INFO L87 Difference]: Start difference. First operand 27545 states and 30432 transitions. Second operand has 3 states, 3 states have (on average 78.0) internal successors, (234), 3 states have internal predecessors, (234), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-25 20:45:58,220 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-25 20:45:58,220 INFO L93 Difference]: Finished difference Result 59180 states and 65904 transitions. [2021-08-25 20:45:58,220 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-25 20:45:58,220 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 78.0) internal successors, (234), 3 states have internal predecessors, (234), 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 280 [2021-08-25 20:45:58,221 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-25 20:45:58,252 INFO L225 Difference]: With dead ends: 59180 [2021-08-25 20:45:58,252 INFO L226 Difference]: Without dead ends: 34688 [2021-08-25 20:45:58,260 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 282 GetRequests, 279 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 10.4ms TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-08-25 20:45:58,279 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34688 states. [2021-08-25 20:45:58,505 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34688 to 31609. [2021-08-25 20:45:58,525 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 31609 states, 31608 states have (on average 1.1127879017970135) internal successors, (35173), 31608 states have internal predecessors, (35173), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-25 20:45:58,558 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31609 states to 31609 states and 35173 transitions. [2021-08-25 20:45:58,559 INFO L78 Accepts]: Start accepts. Automaton has 31609 states and 35173 transitions. Word has length 280 [2021-08-25 20:45:58,559 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-25 20:45:58,559 INFO L470 AbstractCegarLoop]: Abstraction has 31609 states and 35173 transitions. [2021-08-25 20:45:58,559 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 78.0) internal successors, (234), 3 states have internal predecessors, (234), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-25 20:45:58,560 INFO L276 IsEmpty]: Start isEmpty. Operand 31609 states and 35173 transitions. [2021-08-25 20:45:58,589 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 308 [2021-08-25 20:45:58,589 INFO L504 BasicCegarLoop]: Found error trace [2021-08-25 20:45:58,590 INFO L512 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, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-25 20:45:58,614 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2021-08-25 20:45:58,814 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-25 20:45:58,815 INFO L402 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-25 20:45:58,815 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-25 20:45:58,815 INFO L82 PathProgramCache]: Analyzing trace with hash -2087901296, now seen corresponding path program 1 times [2021-08-25 20:45:58,815 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-25 20:45:58,815 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2065521695] [2021-08-25 20:45:58,815 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-25 20:45:58,815 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-25 20:45:58,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-25 20:45:58,871 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 66 proven. 0 refuted. 0 times theorem prover too weak. 74 trivial. 0 not checked. [2021-08-25 20:45:58,871 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-25 20:45:58,871 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2065521695] [2021-08-25 20:45:58,872 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2065521695] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-25 20:45:58,872 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-25 20:45:58,872 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-08-25 20:45:58,872 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [892079411] [2021-08-25 20:45:58,872 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-25 20:45:58,872 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-25 20:45:58,873 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-25 20:45:58,873 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-25 20:45:58,873 INFO L87 Difference]: Start difference. First operand 31609 states and 35173 transitions. Second operand has 3 states, 3 states have (on average 78.0) internal successors, (234), 2 states have internal predecessors, (234), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-25 20:45:59,806 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-25 20:45:59,807 INFO L93 Difference]: Finished difference Result 74840 states and 83428 transitions. [2021-08-25 20:45:59,807 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-25 20:45:59,807 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 78.0) internal successors, (234), 2 states have internal predecessors, (234), 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 307 [2021-08-25 20:45:59,808 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-25 20:45:59,862 INFO L225 Difference]: With dead ends: 74840 [2021-08-25 20:45:59,862 INFO L226 Difference]: Without dead ends: 46487 [2021-08-25 20:45:59,884 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 2.8ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-25 20:45:59,917 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 46487 states. [2021-08-25 20:46:00,237 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 46487 to 45655. [2021-08-25 20:46:00,271 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 45655 states, 45654 states have (on average 1.1109431813203663) internal successors, (50719), 45654 states have internal predecessors, (50719), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-25 20:46:00,318 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45655 states to 45655 states and 50719 transitions. [2021-08-25 20:46:00,318 INFO L78 Accepts]: Start accepts. Automaton has 45655 states and 50719 transitions. Word has length 307 [2021-08-25 20:46:00,318 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-25 20:46:00,318 INFO L470 AbstractCegarLoop]: Abstraction has 45655 states and 50719 transitions. [2021-08-25 20:46:00,319 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 78.0) internal successors, (234), 2 states have internal predecessors, (234), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-25 20:46:00,319 INFO L276 IsEmpty]: Start isEmpty. Operand 45655 states and 50719 transitions. [2021-08-25 20:46:00,356 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 318 [2021-08-25 20:46:00,356 INFO L504 BasicCegarLoop]: Found error trace [2021-08-25 20:46:00,356 INFO L512 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 4, 4, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-25 20:46:00,356 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2021-08-25 20:46:00,356 INFO L402 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-25 20:46:00,357 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-25 20:46:00,357 INFO L82 PathProgramCache]: Analyzing trace with hash 1824881034, now seen corresponding path program 1 times [2021-08-25 20:46:00,357 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-25 20:46:00,357 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1429038008] [2021-08-25 20:46:00,357 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-25 20:46:00,357 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-25 20:46:00,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-25 20:46:00,435 INFO L134 CoverageAnalysis]: Checked inductivity of 179 backedges. 143 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2021-08-25 20:46:00,435 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-25 20:46:00,435 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1429038008] [2021-08-25 20:46:00,435 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1429038008] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-25 20:46:00,436 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-25 20:46:00,436 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-08-25 20:46:00,436 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1663949112] [2021-08-25 20:46:00,436 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-08-25 20:46:00,437 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-25 20:46:00,437 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-08-25 20:46:00,437 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-08-25 20:46:00,437 INFO L87 Difference]: Start difference. First operand 45655 states and 50719 transitions. Second operand has 4 states, 4 states have (on average 70.75) internal successors, (283), 3 states have internal predecessors, (283), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-25 20:46:01,545 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-25 20:46:01,546 INFO L93 Difference]: Finished difference Result 81266 states and 90623 transitions. [2021-08-25 20:46:01,546 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-08-25 20:46:01,546 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 70.75) internal successors, (283), 3 states have internal predecessors, (283), 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 317 [2021-08-25 20:46:01,546 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-25 20:46:01,584 INFO L225 Difference]: With dead ends: 81266 [2021-08-25 20:46:01,585 INFO L226 Difference]: Without dead ends: 32974 [2021-08-25 20:46:01,613 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 6.1ms TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-08-25 20:46:01,637 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32974 states. [2021-08-25 20:46:01,924 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32974 to 31552. [2021-08-25 20:46:01,945 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 31552 states, 31551 states have (on average 1.0625653703527622) internal successors, (33525), 31551 states have internal predecessors, (33525), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-25 20:46:01,980 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31552 states to 31552 states and 33525 transitions. [2021-08-25 20:46:01,980 INFO L78 Accepts]: Start accepts. Automaton has 31552 states and 33525 transitions. Word has length 317 [2021-08-25 20:46:01,980 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-25 20:46:01,980 INFO L470 AbstractCegarLoop]: Abstraction has 31552 states and 33525 transitions. [2021-08-25 20:46:01,980 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 70.75) internal successors, (283), 3 states have internal predecessors, (283), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-25 20:46:01,980 INFO L276 IsEmpty]: Start isEmpty. Operand 31552 states and 33525 transitions. [2021-08-25 20:46:01,998 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 328 [2021-08-25 20:46:01,998 INFO L504 BasicCegarLoop]: Found error trace [2021-08-25 20:46:01,998 INFO L512 BasicCegarLoop]: trace histogram [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, 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, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-25 20:46:01,999 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2021-08-25 20:46:01,999 INFO L402 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-25 20:46:01,999 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-25 20:46:01,999 INFO L82 PathProgramCache]: Analyzing trace with hash -1012257659, now seen corresponding path program 1 times [2021-08-25 20:46:01,999 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-25 20:46:01,999 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1660323734] [2021-08-25 20:46:01,999 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-25 20:46:01,999 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-25 20:46:02,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-25 20:46:02,080 INFO L134 CoverageAnalysis]: Checked inductivity of 157 backedges. 131 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2021-08-25 20:46:02,081 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-25 20:46:02,081 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1660323734] [2021-08-25 20:46:02,081 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1660323734] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-25 20:46:02,081 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-25 20:46:02,081 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-08-25 20:46:02,081 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1890264730] [2021-08-25 20:46:02,082 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-08-25 20:46:02,082 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-25 20:46:02,082 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-08-25 20:46:02,082 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-08-25 20:46:02,082 INFO L87 Difference]: Start difference. First operand 31552 states and 33525 transitions. Second operand has 4 states, 4 states have (on average 75.5) internal successors, (302), 3 states have internal predecessors, (302), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-25 20:46:03,075 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-25 20:46:03,075 INFO L93 Difference]: Finished difference Result 58648 states and 62262 transitions. [2021-08-25 20:46:03,075 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-08-25 20:46:03,076 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 75.5) internal successors, (302), 3 states have internal predecessors, (302), 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 327 [2021-08-25 20:46:03,076 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-25 20:46:03,107 INFO L225 Difference]: With dead ends: 58648 [2021-08-25 20:46:03,107 INFO L226 Difference]: Without dead ends: 33204 [2021-08-25 20:46:03,123 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 5.1ms TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-08-25 20:46:03,143 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33204 states. [2021-08-25 20:46:03,349 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33204 to 32164. [2021-08-25 20:46:03,370 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 32164 states, 32163 states have (on average 1.0623076205577837) internal successors, (34167), 32163 states have internal predecessors, (34167), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-25 20:46:03,402 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32164 states to 32164 states and 34167 transitions. [2021-08-25 20:46:03,402 INFO L78 Accepts]: Start accepts. Automaton has 32164 states and 34167 transitions. Word has length 327 [2021-08-25 20:46:03,402 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-25 20:46:03,402 INFO L470 AbstractCegarLoop]: Abstraction has 32164 states and 34167 transitions. [2021-08-25 20:46:03,403 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 75.5) internal successors, (302), 3 states have internal predecessors, (302), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-25 20:46:03,403 INFO L276 IsEmpty]: Start isEmpty. Operand 32164 states and 34167 transitions. [2021-08-25 20:46:03,420 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 371 [2021-08-25 20:46:03,420 INFO L504 BasicCegarLoop]: Found error trace [2021-08-25 20:46:03,421 INFO L512 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 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, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-25 20:46:03,421 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2021-08-25 20:46:03,421 INFO L402 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-25 20:46:03,421 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-25 20:46:03,421 INFO L82 PathProgramCache]: Analyzing trace with hash 1298706367, now seen corresponding path program 1 times [2021-08-25 20:46:03,422 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-25 20:46:03,422 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1783075582] [2021-08-25 20:46:03,422 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-25 20:46:03,422 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-25 20:46:03,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-25 20:46:03,506 INFO L134 CoverageAnalysis]: Checked inductivity of 242 backedges. 180 proven. 6 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2021-08-25 20:46:03,507 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-25 20:46:03,507 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1783075582] [2021-08-25 20:46:03,507 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1783075582] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-25 20:46:03,507 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [24430573] [2021-08-25 20:46:03,507 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-25 20:46:03,507 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-25 20:46:03,508 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-25 20:46:03,517 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-08-25 20:46:03,542 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2021-08-25 20:46:03,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-25 20:46:03,918 INFO L263 TraceCheckSpWp]: Trace formula consists of 668 conjuncts, 2 conjunts are in the unsatisfiable core [2021-08-25 20:46:03,922 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-25 20:46:04,807 INFO L134 CoverageAnalysis]: Checked inductivity of 242 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 242 trivial. 0 not checked. [2021-08-25 20:46:04,808 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [24430573] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-25 20:46:04,808 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-08-25 20:46:04,808 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [3] total 4 [2021-08-25 20:46:04,808 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [835593689] [2021-08-25 20:46:04,808 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-25 20:46:04,808 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-25 20:46:04,809 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-25 20:46:04,809 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-08-25 20:46:04,809 INFO L87 Difference]: Start difference. First operand 32164 states and 34167 transitions. Second operand has 3 states, 3 states have (on average 68.66666666666667) internal successors, (206), 2 states have internal predecessors, (206), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-25 20:46:05,494 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-25 20:46:05,494 INFO L93 Difference]: Finished difference Result 59442 states and 63033 transitions. [2021-08-25 20:46:05,494 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-25 20:46:05,494 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 68.66666666666667) internal successors, (206), 2 states have internal predecessors, (206), 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 370 [2021-08-25 20:46:05,495 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-25 20:46:05,523 INFO L225 Difference]: With dead ends: 59442 [2021-08-25 20:46:05,523 INFO L226 Difference]: Without dead ends: 28707 [2021-08-25 20:46:05,536 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 372 GetRequests, 369 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 11.9ms TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-08-25 20:46:05,553 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28707 states. [2021-08-25 20:46:05,736 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28707 to 24440. [2021-08-25 20:46:05,753 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24440 states, 24439 states have (on average 1.0502884733417897) internal successors, (25668), 24439 states have internal predecessors, (25668), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-25 20:46:05,782 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24440 states to 24440 states and 25668 transitions. [2021-08-25 20:46:05,782 INFO L78 Accepts]: Start accepts. Automaton has 24440 states and 25668 transitions. Word has length 370 [2021-08-25 20:46:05,783 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-25 20:46:05,783 INFO L470 AbstractCegarLoop]: Abstraction has 24440 states and 25668 transitions. [2021-08-25 20:46:05,783 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 68.66666666666667) internal successors, (206), 2 states have internal predecessors, (206), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-25 20:46:05,783 INFO L276 IsEmpty]: Start isEmpty. Operand 24440 states and 25668 transitions. [2021-08-25 20:46:05,801 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 404 [2021-08-25 20:46:05,801 INFO L504 BasicCegarLoop]: Found error trace [2021-08-25 20:46:05,802 INFO L512 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 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, 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, 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, 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] [2021-08-25 20:46:05,827 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2021-08-25 20:46:06,009 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2021-08-25 20:46:06,009 INFO L402 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-25 20:46:06,009 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-25 20:46:06,010 INFO L82 PathProgramCache]: Analyzing trace with hash 1839363528, now seen corresponding path program 1 times [2021-08-25 20:46:06,010 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-25 20:46:06,010 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [984133992] [2021-08-25 20:46:06,010 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-25 20:46:06,010 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-25 20:46:06,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-25 20:46:06,084 INFO L134 CoverageAnalysis]: Checked inductivity of 310 backedges. 110 proven. 6 refuted. 0 times theorem prover too weak. 194 trivial. 0 not checked. [2021-08-25 20:46:06,084 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-25 20:46:06,084 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [984133992] [2021-08-25 20:46:06,084 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [984133992] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-25 20:46:06,084 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1205005660] [2021-08-25 20:46:06,085 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-25 20:46:06,085 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-25 20:46:06,085 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-25 20:46:06,086 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-08-25 20:46:06,087 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2021-08-25 20:46:06,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-25 20:46:06,612 INFO L263 TraceCheckSpWp]: Trace formula consists of 695 conjuncts, 2 conjunts are in the unsatisfiable core [2021-08-25 20:46:06,616 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-25 20:46:07,526 INFO L134 CoverageAnalysis]: Checked inductivity of 310 backedges. 237 proven. 0 refuted. 0 times theorem prover too weak. 73 trivial. 0 not checked. [2021-08-25 20:46:07,527 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1205005660] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-25 20:46:07,527 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-08-25 20:46:07,527 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 5 [2021-08-25 20:46:07,527 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [515945341] [2021-08-25 20:46:07,528 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-25 20:46:07,528 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-25 20:46:07,528 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-25 20:46:07,528 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-08-25 20:46:07,528 INFO L87 Difference]: Start difference. First operand 24440 states and 25668 transitions. Second operand has 3 states, 3 states have (on average 113.0) internal successors, (339), 3 states have internal predecessors, (339), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-25 20:46:08,087 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-25 20:46:08,087 INFO L93 Difference]: Finished difference Result 47453 states and 49844 transitions. [2021-08-25 20:46:08,088 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-25 20:46:08,088 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 113.0) internal successors, (339), 3 states have internal predecessors, (339), 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 403 [2021-08-25 20:46:08,088 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-25 20:46:08,113 INFO L225 Difference]: With dead ends: 47453 [2021-08-25 20:46:08,113 INFO L226 Difference]: Without dead ends: 25256 [2021-08-25 20:46:08,126 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 405 GetRequests, 402 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 9.8ms TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-08-25 20:46:08,139 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25256 states. [2021-08-25 20:46:08,342 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25256 to 23829. [2021-08-25 20:46:08,356 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23829 states, 23828 states have (on average 1.0506966593923115) internal successors, (25036), 23828 states have internal predecessors, (25036), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-25 20:46:08,378 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23829 states to 23829 states and 25036 transitions. [2021-08-25 20:46:08,378 INFO L78 Accepts]: Start accepts. Automaton has 23829 states and 25036 transitions. Word has length 403 [2021-08-25 20:46:08,378 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-25 20:46:08,378 INFO L470 AbstractCegarLoop]: Abstraction has 23829 states and 25036 transitions. [2021-08-25 20:46:08,379 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 113.0) internal successors, (339), 3 states have internal predecessors, (339), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-25 20:46:08,379 INFO L276 IsEmpty]: Start isEmpty. Operand 23829 states and 25036 transitions. [2021-08-25 20:46:08,394 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 435 [2021-08-25 20:46:08,394 INFO L504 BasicCegarLoop]: Found error trace [2021-08-25 20:46:08,394 INFO L512 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 4, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-25 20:46:08,412 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2021-08-25 20:46:08,594 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-25 20:46:08,595 INFO L402 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-25 20:46:08,595 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-25 20:46:08,595 INFO L82 PathProgramCache]: Analyzing trace with hash 2003355790, now seen corresponding path program 1 times [2021-08-25 20:46:08,595 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-25 20:46:08,596 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [905576066] [2021-08-25 20:46:08,596 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-25 20:46:08,596 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-25 20:46:08,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-25 20:46:08,683 INFO L134 CoverageAnalysis]: Checked inductivity of 582 backedges. 181 proven. 6 refuted. 0 times theorem prover too weak. 395 trivial. 0 not checked. [2021-08-25 20:46:08,683 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-25 20:46:08,683 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [905576066] [2021-08-25 20:46:08,684 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [905576066] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-25 20:46:08,684 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1988203907] [2021-08-25 20:46:08,684 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-25 20:46:08,684 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-25 20:46:08,684 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-25 20:46:08,685 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-08-25 20:46:08,685 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2021-08-25 20:46:09,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-25 20:46:09,356 INFO L263 TraceCheckSpWp]: Trace formula consists of 803 conjuncts, 4 conjunts are in the unsatisfiable core [2021-08-25 20:46:09,360 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-25 20:46:11,221 INFO L134 CoverageAnalysis]: Checked inductivity of 582 backedges. 518 proven. 0 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2021-08-25 20:46:11,221 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1988203907] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-25 20:46:11,221 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-08-25 20:46:11,221 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [3] total 6 [2021-08-25 20:46:11,222 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [101953229] [2021-08-25 20:46:11,222 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-08-25 20:46:11,222 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-25 20:46:11,222 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-08-25 20:46:11,223 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-08-25 20:46:11,223 INFO L87 Difference]: Start difference. First operand 23829 states and 25036 transitions. Second operand has 4 states, 4 states have (on average 93.25) internal successors, (373), 4 states have internal predecessors, (373), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-25 20:46:12,100 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-25 20:46:12,100 INFO L93 Difference]: Finished difference Result 74955 states and 78896 transitions. [2021-08-25 20:46:12,100 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-08-25 20:46:12,101 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 93.25) internal successors, (373), 4 states have internal predecessors, (373), 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 434 [2021-08-25 20:46:12,101 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-25 20:46:12,159 INFO L225 Difference]: With dead ends: 74955 [2021-08-25 20:46:12,159 INFO L226 Difference]: Without dead ends: 51941 [2021-08-25 20:46:12,179 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 436 GetRequests, 432 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 17.8ms TimeCoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-08-25 20:46:12,213 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 51941 states. [2021-08-25 20:46:12,723 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 51941 to 50106. [2021-08-25 20:46:12,757 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 50106 states, 50105 states have (on average 1.0542859994012574) internal successors, (52825), 50105 states have internal predecessors, (52825), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-25 20:46:12,818 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50106 states to 50106 states and 52825 transitions. [2021-08-25 20:46:12,818 INFO L78 Accepts]: Start accepts. Automaton has 50106 states and 52825 transitions. Word has length 434 [2021-08-25 20:46:12,818 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-25 20:46:12,818 INFO L470 AbstractCegarLoop]: Abstraction has 50106 states and 52825 transitions. [2021-08-25 20:46:12,818 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 93.25) internal successors, (373), 4 states have internal predecessors, (373), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-25 20:46:12,818 INFO L276 IsEmpty]: Start isEmpty. Operand 50106 states and 52825 transitions. [2021-08-25 20:46:12,854 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 598 [2021-08-25 20:46:12,855 INFO L504 BasicCegarLoop]: Found error trace [2021-08-25 20:46:12,855 INFO L512 BasicCegarLoop]: trace histogram [8, 8, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 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, 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] [2021-08-25 20:46:12,875 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2021-08-25 20:46:13,055 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-25 20:46:13,056 INFO L402 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-25 20:46:13,056 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-25 20:46:13,056 INFO L82 PathProgramCache]: Analyzing trace with hash -392382121, now seen corresponding path program 1 times [2021-08-25 20:46:13,056 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-25 20:46:13,057 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [863402083] [2021-08-25 20:46:13,057 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-25 20:46:13,057 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-25 20:46:13,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-25 20:46:13,212 INFO L134 CoverageAnalysis]: Checked inductivity of 953 backedges. 437 proven. 9 refuted. 0 times theorem prover too weak. 507 trivial. 0 not checked. [2021-08-25 20:46:13,213 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-25 20:46:13,213 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [863402083] [2021-08-25 20:46:13,213 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [863402083] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-25 20:46:13,213 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [52305553] [2021-08-25 20:46:13,213 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-25 20:46:13,213 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-25 20:46:13,214 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-25 20:46:13,214 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-08-25 20:46:13,257 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2021-08-25 20:46:14,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-25 20:46:14,223 INFO L263 TraceCheckSpWp]: Trace formula consists of 1015 conjuncts, 2 conjunts are in the unsatisfiable core [2021-08-25 20:46:14,227 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-25 20:46:15,388 INFO L134 CoverageAnalysis]: Checked inductivity of 953 backedges. 545 proven. 0 refuted. 0 times theorem prover too weak. 408 trivial. 0 not checked. [2021-08-25 20:46:15,389 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [52305553] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-25 20:46:15,389 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-08-25 20:46:15,389 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [4] total 5 [2021-08-25 20:46:15,389 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1530132113] [2021-08-25 20:46:15,390 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-25 20:46:15,390 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-25 20:46:15,390 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-25 20:46:15,390 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-08-25 20:46:15,390 INFO L87 Difference]: Start difference. First operand 50106 states and 52825 transitions. Second operand has 3 states, 3 states have (on average 116.66666666666667) internal successors, (350), 2 states have internal predecessors, (350), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-25 20:46:15,948 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-25 20:46:15,949 INFO L93 Difference]: Finished difference Result 135658 states and 143004 transitions. [2021-08-25 20:46:15,949 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-25 20:46:15,949 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 116.66666666666667) internal successors, (350), 2 states have internal predecessors, (350), 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 597 [2021-08-25 20:46:15,950 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-25 20:46:16,041 INFO L225 Difference]: With dead ends: 135658 [2021-08-25 20:46:16,041 INFO L226 Difference]: Without dead ends: 87385 [2021-08-25 20:46:16,066 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 600 GetRequests, 596 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 11.6ms TimeCoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-08-25 20:46:16,122 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 87385 states. [2021-08-25 20:46:16,765 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 87385 to 87383. [2021-08-25 20:46:16,824 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 87383 states, 87382 states have (on average 1.052653864640315) internal successors, (91983), 87382 states have internal predecessors, (91983), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-25 20:46:16,911 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87383 states to 87383 states and 91983 transitions. [2021-08-25 20:46:16,911 INFO L78 Accepts]: Start accepts. Automaton has 87383 states and 91983 transitions. Word has length 597 [2021-08-25 20:46:16,912 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-25 20:46:16,912 INFO L470 AbstractCegarLoop]: Abstraction has 87383 states and 91983 transitions. [2021-08-25 20:46:16,912 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 116.66666666666667) internal successors, (350), 2 states have internal predecessors, (350), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-25 20:46:16,912 INFO L276 IsEmpty]: Start isEmpty. Operand 87383 states and 91983 transitions. [2021-08-25 20:46:16,969 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 603 [2021-08-25 20:46:16,969 INFO L504 BasicCegarLoop]: Found error trace [2021-08-25 20:46:16,969 INFO L512 BasicCegarLoop]: trace histogram [10, 10, 9, 9, 9, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 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, 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, 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] [2021-08-25 20:46:16,989 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2021-08-25 20:46:17,170 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-25 20:46:17,170 INFO L402 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-25 20:46:17,171 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-25 20:46:17,171 INFO L82 PathProgramCache]: Analyzing trace with hash 340073334, now seen corresponding path program 1 times [2021-08-25 20:46:17,171 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-25 20:46:17,171 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2109752938] [2021-08-25 20:46:17,171 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-25 20:46:17,171 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-25 20:46:17,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-25 20:46:17,306 INFO L134 CoverageAnalysis]: Checked inductivity of 1089 backedges. 463 proven. 9 refuted. 0 times theorem prover too weak. 617 trivial. 0 not checked. [2021-08-25 20:46:17,307 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-25 20:46:17,307 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2109752938] [2021-08-25 20:46:17,307 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2109752938] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-25 20:46:17,307 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [100779154] [2021-08-25 20:46:17,307 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-25 20:46:17,307 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-25 20:46:17,307 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-25 20:46:17,308 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-08-25 20:46:17,335 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2021-08-25 20:46:18,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-25 20:46:18,749 INFO L263 TraceCheckSpWp]: Trace formula consists of 1088 conjuncts, 2 conjunts are in the unsatisfiable core [2021-08-25 20:46:18,754 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-25 20:46:19,849 INFO L134 CoverageAnalysis]: Checked inductivity of 1089 backedges. 749 proven. 0 refuted. 0 times theorem prover too weak. 340 trivial. 0 not checked. [2021-08-25 20:46:19,849 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [100779154] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-25 20:46:19,849 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-08-25 20:46:19,849 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 6 [2021-08-25 20:46:19,850 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [676724415] [2021-08-25 20:46:19,850 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-25 20:46:19,850 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-25 20:46:19,850 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-25 20:46:19,851 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-08-25 20:46:19,851 INFO L87 Difference]: Start difference. First operand 87383 states and 91983 transitions. Second operand has 3 states, 3 states have (on average 125.66666666666667) internal successors, (377), 3 states have internal predecessors, (377), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-25 20:46:20,468 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-25 20:46:20,469 INFO L93 Difference]: Finished difference Result 201045 states and 211377 transitions. [2021-08-25 20:46:20,470 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-25 20:46:20,470 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 125.66666666666667) internal successors, (377), 3 states have internal predecessors, (377), 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 602 [2021-08-25 20:46:20,470 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-25 20:46:20,605 INFO L225 Difference]: With dead ends: 201045 [2021-08-25 20:46:20,606 INFO L226 Difference]: Without dead ends: 115495 [2021-08-25 20:46:20,660 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 605 GetRequests, 601 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 10.5ms TimeCoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-08-25 20:46:20,739 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 115495 states. [2021-08-25 20:46:21,998 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 115495 to 114275. [2021-08-25 20:46:22,083 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 114275 states, 114274 states have (on average 1.0489000122512557) internal successors, (119862), 114274 states have internal predecessors, (119862), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-25 20:46:22,409 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114275 states to 114275 states and 119862 transitions. [2021-08-25 20:46:22,424 INFO L78 Accepts]: Start accepts. Automaton has 114275 states and 119862 transitions. Word has length 602 [2021-08-25 20:46:22,425 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-25 20:46:22,425 INFO L470 AbstractCegarLoop]: Abstraction has 114275 states and 119862 transitions. [2021-08-25 20:46:22,425 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 125.66666666666667) internal successors, (377), 3 states have internal predecessors, (377), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-25 20:46:22,425 INFO L276 IsEmpty]: Start isEmpty. Operand 114275 states and 119862 transitions. [2021-08-25 20:46:22,507 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 613 [2021-08-25 20:46:22,507 INFO L504 BasicCegarLoop]: Found error trace [2021-08-25 20:46:22,508 INFO L512 BasicCegarLoop]: trace histogram [8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 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, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-25 20:46:22,527 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2021-08-25 20:46:22,708 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable21 [2021-08-25 20:46:22,709 INFO L402 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-25 20:46:22,709 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-25 20:46:22,709 INFO L82 PathProgramCache]: Analyzing trace with hash 199715811, now seen corresponding path program 1 times [2021-08-25 20:46:22,709 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-25 20:46:22,709 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1588259138] [2021-08-25 20:46:22,709 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-25 20:46:22,709 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-25 20:46:22,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-25 20:46:22,858 INFO L134 CoverageAnalysis]: Checked inductivity of 1047 backedges. 721 proven. 18 refuted. 0 times theorem prover too weak. 308 trivial. 0 not checked. [2021-08-25 20:46:22,858 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-25 20:46:22,859 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1588259138] [2021-08-25 20:46:22,859 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1588259138] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-25 20:46:22,859 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1023951442] [2021-08-25 20:46:22,859 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-25 20:46:22,859 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-25 20:46:22,859 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-25 20:46:22,860 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-08-25 20:46:22,884 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2021-08-25 20:46:24,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-25 20:46:24,252 INFO L263 TraceCheckSpWp]: Trace formula consists of 1037 conjuncts, 2 conjunts are in the unsatisfiable core [2021-08-25 20:46:24,269 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-25 20:46:25,457 INFO L134 CoverageAnalysis]: Checked inductivity of 1047 backedges. 618 proven. 0 refuted. 0 times theorem prover too weak. 429 trivial. 0 not checked. [2021-08-25 20:46:25,457 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1023951442] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-25 20:46:25,457 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-08-25 20:46:25,457 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [5] total 6 [2021-08-25 20:46:25,458 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1265971382] [2021-08-25 20:46:25,459 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-25 20:46:25,459 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-25 20:46:25,460 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-25 20:46:25,460 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-08-25 20:46:25,460 INFO L87 Difference]: Start difference. First operand 114275 states and 119862 transitions. Second operand has 3 states, 3 states have (on average 110.33333333333333) internal successors, (331), 2 states have internal predecessors, (331), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-25 20:46:26,483 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-25 20:46:26,484 INFO L93 Difference]: Finished difference Result 315713 states and 331164 transitions. [2021-08-25 20:46:26,484 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-25 20:46:26,485 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 110.33333333333333) internal successors, (331), 2 states have internal predecessors, (331), 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 612 [2021-08-25 20:46:26,488 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-25 20:46:26,766 INFO L225 Difference]: With dead ends: 315713 [2021-08-25 20:46:26,766 INFO L226 Difference]: Without dead ends: 203271 [2021-08-25 20:46:26,810 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 616 GetRequests, 612 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 10.5ms TimeCoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-08-25 20:46:26,960 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 203271 states. [2021-08-25 20:46:29,082 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 203271 to 195920. [2021-08-25 20:46:29,190 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 195920 states, 195919 states have (on average 1.0487344259617495) internal successors, (205467), 195919 states have internal predecessors, (205467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-25 20:46:29,411 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 195920 states to 195920 states and 205467 transitions. [2021-08-25 20:46:29,411 INFO L78 Accepts]: Start accepts. Automaton has 195920 states and 205467 transitions. Word has length 612 [2021-08-25 20:46:29,411 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-25 20:46:29,411 INFO L470 AbstractCegarLoop]: Abstraction has 195920 states and 205467 transitions. [2021-08-25 20:46:29,411 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 110.33333333333333) internal successors, (331), 2 states have internal predecessors, (331), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-25 20:46:29,411 INFO L276 IsEmpty]: Start isEmpty. Operand 195920 states and 205467 transitions. [2021-08-25 20:46:29,745 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 615 [2021-08-25 20:46:29,745 INFO L504 BasicCegarLoop]: Found error trace [2021-08-25 20:46:29,746 INFO L512 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-25 20:46:29,766 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Ended with exit code 0 [2021-08-25 20:46:29,953 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22,10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-25 20:46:29,953 INFO L402 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-25 20:46:29,954 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-25 20:46:29,954 INFO L82 PathProgramCache]: Analyzing trace with hash -605104252, now seen corresponding path program 1 times [2021-08-25 20:46:29,954 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-25 20:46:29,954 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [917244615] [2021-08-25 20:46:29,954 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-25 20:46:29,955 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-25 20:46:30,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-25 20:46:30,141 INFO L134 CoverageAnalysis]: Checked inductivity of 1073 backedges. 597 proven. 0 refuted. 0 times theorem prover too weak. 476 trivial. 0 not checked. [2021-08-25 20:46:30,141 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-25 20:46:30,141 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [917244615] [2021-08-25 20:46:30,141 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [917244615] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-25 20:46:30,141 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-25 20:46:30,141 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-08-25 20:46:30,142 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1707893960] [2021-08-25 20:46:30,142 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-25 20:46:30,142 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-25 20:46:30,143 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-25 20:46:30,143 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-25 20:46:30,143 INFO L87 Difference]: Start difference. First operand 195920 states and 205467 transitions. Second operand has 3 states, 3 states have (on average 118.66666666666667) internal successors, (356), 3 states have internal predecessors, (356), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-25 20:46:31,733 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-25 20:46:31,733 INFO L93 Difference]: Finished difference Result 392499 states and 411571 transitions. [2021-08-25 20:46:31,734 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-25 20:46:31,734 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 118.66666666666667) internal successors, (356), 3 states have internal predecessors, (356), 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 614 [2021-08-25 20:46:31,735 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-25 20:46:32,010 INFO L225 Difference]: With dead ends: 392499 [2021-08-25 20:46:32,011 INFO L226 Difference]: Without dead ends: 199025 [2021-08-25 20:46:32,079 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 3.0ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-25 20:46:32,223 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 199025 states. [2021-08-25 20:46:34,014 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 199025 to 191235. [2021-08-25 20:46:34,125 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 191235 states, 191234 states have (on average 1.047188261501616) internal successors, (200258), 191234 states have internal predecessors, (200258), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-25 20:46:34,325 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 191235 states to 191235 states and 200258 transitions. [2021-08-25 20:46:34,325 INFO L78 Accepts]: Start accepts. Automaton has 191235 states and 200258 transitions. Word has length 614 [2021-08-25 20:46:34,325 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-25 20:46:34,325 INFO L470 AbstractCegarLoop]: Abstraction has 191235 states and 200258 transitions. [2021-08-25 20:46:34,325 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 118.66666666666667) internal successors, (356), 3 states have internal predecessors, (356), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-25 20:46:34,325 INFO L276 IsEmpty]: Start isEmpty. Operand 191235 states and 200258 transitions. [2021-08-25 20:46:34,724 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 634 [2021-08-25 20:46:34,744 INFO L504 BasicCegarLoop]: Found error trace [2021-08-25 20:46:34,745 INFO L512 BasicCegarLoop]: trace histogram [9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-25 20:46:34,745 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2021-08-25 20:46:34,745 INFO L402 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-25 20:46:34,745 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-25 20:46:34,745 INFO L82 PathProgramCache]: Analyzing trace with hash -397815006, now seen corresponding path program 1 times [2021-08-25 20:46:34,745 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-25 20:46:34,745 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1942487356] [2021-08-25 20:46:34,745 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-25 20:46:34,746 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-25 20:46:34,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-25 20:46:34,887 INFO L134 CoverageAnalysis]: Checked inductivity of 1222 backedges. 242 proven. 6 refuted. 0 times theorem prover too weak. 974 trivial. 0 not checked. [2021-08-25 20:46:34,887 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-25 20:46:34,887 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1942487356] [2021-08-25 20:46:34,887 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1942487356] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-25 20:46:34,888 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1580769784] [2021-08-25 20:46:34,888 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-25 20:46:34,888 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-25 20:46:34,888 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-25 20:46:34,889 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-08-25 20:46:34,894 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2021-08-25 20:46:36,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-25 20:46:36,505 INFO L263 TraceCheckSpWp]: Trace formula consists of 1101 conjuncts, 3 conjunts are in the unsatisfiable core [2021-08-25 20:46:36,509 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-25 20:46:38,050 INFO L134 CoverageAnalysis]: Checked inductivity of 1222 backedges. 998 proven. 0 refuted. 0 times theorem prover too weak. 224 trivial. 0 not checked. [2021-08-25 20:46:38,051 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1580769784] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-25 20:46:38,051 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-08-25 20:46:38,051 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [3] total 6 [2021-08-25 20:46:38,051 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1000811969] [2021-08-25 20:46:38,051 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-08-25 20:46:38,052 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-25 20:46:38,052 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-08-25 20:46:38,052 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-08-25 20:46:38,052 INFO L87 Difference]: Start difference. First operand 191235 states and 200258 transitions. Second operand has 4 states, 4 states have (on average 117.75) internal successors, (471), 4 states have internal predecessors, (471), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-25 20:46:39,846 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-25 20:46:39,847 INFO L93 Difference]: Finished difference Result 401453 states and 420678 transitions. [2021-08-25 20:46:39,847 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-08-25 20:46:39,847 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 117.75) internal successors, (471), 4 states have internal predecessors, (471), 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 633 [2021-08-25 20:46:39,847 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-25 20:46:40,134 INFO L225 Difference]: With dead ends: 401453 [2021-08-25 20:46:40,135 INFO L226 Difference]: Without dead ends: 211645 [2021-08-25 20:46:40,221 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 635 GetRequests, 631 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 15.0ms TimeCoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-08-25 20:46:40,369 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 211645 states. [2021-08-25 20:46:42,584 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 211645 to 211527. [2021-08-25 20:46:42,711 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 211527 states, 211526 states have (on average 1.0468122122103194) internal successors, (221428), 211526 states have internal predecessors, (221428), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-25 20:46:42,968 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211527 states to 211527 states and 221428 transitions. [2021-08-25 20:46:42,968 INFO L78 Accepts]: Start accepts. Automaton has 211527 states and 221428 transitions. Word has length 633 [2021-08-25 20:46:42,968 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-25 20:46:42,968 INFO L470 AbstractCegarLoop]: Abstraction has 211527 states and 221428 transitions. [2021-08-25 20:46:42,969 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 117.75) internal successors, (471), 4 states have internal predecessors, (471), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-25 20:46:42,969 INFO L276 IsEmpty]: Start isEmpty. Operand 211527 states and 221428 transitions. [2021-08-25 20:46:43,046 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 645 [2021-08-25 20:46:43,047 INFO L504 BasicCegarLoop]: Found error trace [2021-08-25 20:46:43,047 INFO L512 BasicCegarLoop]: trace histogram [8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-25 20:46:43,069 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2021-08-25 20:46:43,248 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable24 [2021-08-25 20:46:43,248 INFO L402 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-25 20:46:43,248 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-25 20:46:43,248 INFO L82 PathProgramCache]: Analyzing trace with hash -1587947609, now seen corresponding path program 1 times [2021-08-25 20:46:43,248 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-25 20:46:43,248 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2060857757] [2021-08-25 20:46:43,249 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-25 20:46:43,249 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-25 20:46:43,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-25 20:46:43,848 INFO L134 CoverageAnalysis]: Checked inductivity of 1109 backedges. 860 proven. 24 refuted. 0 times theorem prover too weak. 225 trivial. 0 not checked. [2021-08-25 20:46:43,848 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-25 20:46:43,848 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2060857757] [2021-08-25 20:46:43,849 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2060857757] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-25 20:46:43,849 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [412152092] [2021-08-25 20:46:43,849 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-25 20:46:43,849 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-25 20:46:43,849 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-25 20:46:43,850 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-08-25 20:46:43,869 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2021-08-25 20:46:45,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-25 20:46:45,790 INFO L263 TraceCheckSpWp]: Trace formula consists of 1052 conjuncts, 4 conjunts are in the unsatisfiable core [2021-08-25 20:46:45,795 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-25 20:46:47,404 INFO L134 CoverageAnalysis]: Checked inductivity of 1109 backedges. 0 proven. 442 refuted. 0 times theorem prover too weak. 667 trivial. 0 not checked. [2021-08-25 20:46:47,404 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [412152092] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-25 20:46:47,404 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-25 20:46:47,405 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 3] total 6 [2021-08-25 20:46:47,405 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [212266876] [2021-08-25 20:46:47,405 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-08-25 20:46:47,405 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-25 20:46:47,406 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-08-25 20:46:47,406 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2021-08-25 20:46:47,406 INFO L87 Difference]: Start difference. First operand 211527 states and 221428 transitions. Second operand has 7 states, 7 states have (on average 117.57142857142857) internal successors, (823), 6 states have internal predecessors, (823), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-25 20:46:50,359 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-25 20:46:50,359 INFO L93 Difference]: Finished difference Result 372546 states and 390897 transitions. [2021-08-25 20:46:50,359 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-08-25 20:46:50,359 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 117.57142857142857) internal successors, (823), 6 states have internal predecessors, (823), 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 644 [2021-08-25 20:46:50,360 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-25 20:46:50,360 INFO L225 Difference]: With dead ends: 372546 [2021-08-25 20:46:50,360 INFO L226 Difference]: Without dead ends: 0 [2021-08-25 20:46:50,450 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 659 GetRequests, 642 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 77 ImplicationChecksByTransitivity, 86.9ms TimeCoverageRelationStatistics Valid=107, Invalid=235, Unknown=0, NotChecked=0, Total=342 [2021-08-25 20:46:50,450 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-08-25 20:46:50,450 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-08-25 20:46:50,450 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-25 20:46:50,450 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-08-25 20:46:50,450 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 644 [2021-08-25 20:46:50,451 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-25 20:46:50,451 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-08-25 20:46:50,451 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 117.57142857142857) internal successors, (823), 6 states have internal predecessors, (823), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-25 20:46:50,451 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-08-25 20:46:50,451 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-08-25 20:46:50,453 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-08-25 20:46:50,476 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Forceful destruction successful, exit code 0 [2021-08-25 20:46:50,654 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable25 [2021-08-25 20:46:50,656 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-08-25 20:46:50,664 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-25 20:46:50,666 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-25 20:46:53,526 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-25 20:47:02,444 INFO L857 garLoopResultBuilder]: For program point L1621(line 1621) no Hoare annotation was computed. [2021-08-25 20:47:02,445 INFO L857 garLoopResultBuilder]: For program point L1555(line 1555) no Hoare annotation was computed. [2021-08-25 20:47:02,445 INFO L857 garLoopResultBuilder]: For program point L498(lines 498 1475) no Hoare annotation was computed. [2021-08-25 20:47:02,445 INFO L857 garLoopResultBuilder]: For program point L1489(line 1489) no Hoare annotation was computed. [2021-08-25 20:47:02,445 INFO L857 garLoopResultBuilder]: For program point L432(lines 432 1475) no Hoare annotation was computed. [2021-08-25 20:47:02,445 INFO L857 garLoopResultBuilder]: For program point L366(lines 366 1475) no Hoare annotation was computed. [2021-08-25 20:47:02,445 INFO L857 garLoopResultBuilder]: For program point L763(lines 763 1475) no Hoare annotation was computed. [2021-08-25 20:47:02,445 INFO L857 garLoopResultBuilder]: For program point L632(lines 632 1475) no Hoare annotation was computed. [2021-08-25 20:47:02,445 INFO L857 garLoopResultBuilder]: For program point L566(lines 566 1475) no Hoare annotation was computed. [2021-08-25 20:47:02,445 INFO L857 garLoopResultBuilder]: For program point L1623-1(lines 64 1660) no Hoare annotation was computed. [2021-08-25 20:47:02,445 INFO L857 garLoopResultBuilder]: For program point L1557-1(lines 64 1660) no Hoare annotation was computed. [2021-08-25 20:47:02,445 INFO L857 garLoopResultBuilder]: For program point L1491-1(lines 64 1660) no Hoare annotation was computed. [2021-08-25 20:47:02,445 INFO L857 garLoopResultBuilder]: For program point L302(lines 302 1475) no Hoare annotation was computed. [2021-08-25 20:47:02,446 INFO L857 garLoopResultBuilder]: For program point L1293(lines 1293 1475) no Hoare annotation was computed. [2021-08-25 20:47:02,446 INFO L857 garLoopResultBuilder]: For program point L1624(line 1624) no Hoare annotation was computed. [2021-08-25 20:47:02,446 INFO L857 garLoopResultBuilder]: For program point L1558(line 1558) no Hoare annotation was computed. [2021-08-25 20:47:02,446 INFO L857 garLoopResultBuilder]: For program point L1492(line 1492) no Hoare annotation was computed. [2021-08-25 20:47:02,446 INFO L857 garLoopResultBuilder]: For program point L1360(lines 1360 1475) no Hoare annotation was computed. [2021-08-25 20:47:02,446 INFO L857 garLoopResultBuilder]: For program point L1294(lines 1294 1313) no Hoare annotation was computed. [2021-08-25 20:47:02,446 INFO L857 garLoopResultBuilder]: For program point L1294-2(lines 1294 1313) no Hoare annotation was computed. [2021-08-25 20:47:02,446 INFO L857 garLoopResultBuilder]: For program point L1162(lines 1162 1475) no Hoare annotation was computed. [2021-08-25 20:47:02,446 INFO L857 garLoopResultBuilder]: For program point L105(lines 105 1475) no Hoare annotation was computed. [2021-08-25 20:47:02,446 INFO L857 garLoopResultBuilder]: For program point L1096(lines 1096 1475) no Hoare annotation was computed. [2021-08-25 20:47:02,446 INFO L857 garLoopResultBuilder]: For program point L1031(lines 1031 1475) no Hoare annotation was computed. [2021-08-25 20:47:02,446 INFO L857 garLoopResultBuilder]: For program point L965(lines 965 1475) no Hoare annotation was computed. [2021-08-25 20:47:02,446 INFO L857 garLoopResultBuilder]: For program point L899(lines 899 1475) no Hoare annotation was computed. [2021-08-25 20:47:02,446 INFO L857 garLoopResultBuilder]: For program point L1626-1(lines 64 1660) no Hoare annotation was computed. [2021-08-25 20:47:02,446 INFO L857 garLoopResultBuilder]: For program point L1560-1(lines 64 1660) no Hoare annotation was computed. [2021-08-25 20:47:02,446 INFO L857 garLoopResultBuilder]: For program point L1494-1(lines 64 1660) no Hoare annotation was computed. [2021-08-25 20:47:02,446 INFO L857 garLoopResultBuilder]: For program point L1627(line 1627) no Hoare annotation was computed. [2021-08-25 20:47:02,446 INFO L857 garLoopResultBuilder]: For program point L1561(line 1561) no Hoare annotation was computed. [2021-08-25 20:47:02,446 INFO L857 garLoopResultBuilder]: For program point L1495(line 1495) no Hoare annotation was computed. [2021-08-25 20:47:02,446 INFO L857 garLoopResultBuilder]: For program point L174(lines 174 1475) no Hoare annotation was computed. [2021-08-25 20:47:02,447 INFO L857 garLoopResultBuilder]: For program point L835(lines 835 1475) no Hoare annotation was computed. [2021-08-25 20:47:02,447 INFO L857 garLoopResultBuilder]: For program point L1629-1(lines 64 1660) no Hoare annotation was computed. [2021-08-25 20:47:02,447 INFO L857 garLoopResultBuilder]: For program point L1563-1(lines 64 1660) no Hoare annotation was computed. [2021-08-25 20:47:02,447 INFO L857 garLoopResultBuilder]: For program point L1497-1(lines 64 1660) no Hoare annotation was computed. [2021-08-25 20:47:02,447 INFO L857 garLoopResultBuilder]: For program point L771(lines 771 1475) no Hoare annotation was computed. [2021-08-25 20:47:02,447 INFO L857 garLoopResultBuilder]: For program point L1630(line 1630) no Hoare annotation was computed. [2021-08-25 20:47:02,447 INFO L857 garLoopResultBuilder]: For program point L1564(line 1564) no Hoare annotation was computed. [2021-08-25 20:47:02,447 INFO L857 garLoopResultBuilder]: For program point L507(lines 507 1475) no Hoare annotation was computed. [2021-08-25 20:47:02,447 INFO L857 garLoopResultBuilder]: For program point L1498(line 1498) no Hoare annotation was computed. [2021-08-25 20:47:02,447 INFO L857 garLoopResultBuilder]: For program point L243(lines 243 1475) no Hoare annotation was computed. [2021-08-25 20:47:02,447 INFO L857 garLoopResultBuilder]: For program point L508(lines 508 521) no Hoare annotation was computed. [2021-08-25 20:47:02,447 INFO L857 garLoopResultBuilder]: For program point L508-2(lines 508 521) no Hoare annotation was computed. [2021-08-25 20:47:02,447 INFO L857 garLoopResultBuilder]: For program point L1433(lines 1433 1475) no Hoare annotation was computed. [2021-08-25 20:47:02,447 INFO L857 garLoopResultBuilder]: For program point L376(lines 376 1475) no Hoare annotation was computed. [2021-08-25 20:47:02,447 INFO L857 garLoopResultBuilder]: For program point L1632-1(lines 64 1660) no Hoare annotation was computed. [2021-08-25 20:47:02,447 INFO L857 garLoopResultBuilder]: For program point L1566-1(lines 64 1660) no Hoare annotation was computed. [2021-08-25 20:47:02,447 INFO L857 garLoopResultBuilder]: For program point L1500-1(lines 64 1660) no Hoare annotation was computed. [2021-08-25 20:47:02,447 INFO L857 garLoopResultBuilder]: For program point L311(lines 311 1475) no Hoare annotation was computed. [2021-08-25 20:47:02,447 INFO L857 garLoopResultBuilder]: For program point L1236(lines 1236 1475) no Hoare annotation was computed. [2021-08-25 20:47:02,447 INFO L857 garLoopResultBuilder]: For program point L1633(line 1633) no Hoare annotation was computed. [2021-08-25 20:47:02,447 INFO L857 garLoopResultBuilder]: For program point L576(lines 576 1475) no Hoare annotation was computed. [2021-08-25 20:47:02,447 INFO L857 garLoopResultBuilder]: For program point L1567(line 1567) no Hoare annotation was computed. [2021-08-25 20:47:02,447 INFO L857 garLoopResultBuilder]: For program point L1501(line 1501) no Hoare annotation was computed. [2021-08-25 20:47:02,447 INFO L857 garLoopResultBuilder]: For program point L444(lines 444 1475) no Hoare annotation was computed. [2021-08-25 20:47:02,447 INFO L857 garLoopResultBuilder]: For program point L1369(lines 1369 1475) no Hoare annotation was computed. [2021-08-25 20:47:02,447 INFO L857 garLoopResultBuilder]: For program point L1105(lines 1105 1475) no Hoare annotation was computed. [2021-08-25 20:47:02,447 INFO L857 garLoopResultBuilder]: For program point L643(lines 643 1475) no Hoare annotation was computed. [2021-08-25 20:47:02,447 INFO L857 garLoopResultBuilder]: For program point L1370(lines 1370 1389) no Hoare annotation was computed. [2021-08-25 20:47:02,447 INFO L857 garLoopResultBuilder]: For program point L1370-2(lines 1370 1389) no Hoare annotation was computed. [2021-08-25 20:47:02,447 INFO L857 garLoopResultBuilder]: For program point L1172(lines 1172 1475) no Hoare annotation was computed. [2021-08-25 20:47:02,447 INFO L857 garLoopResultBuilder]: For program point L115(lines 115 1475) no Hoare annotation was computed. [2021-08-25 20:47:02,448 INFO L857 garLoopResultBuilder]: For program point L1635-1(lines 64 1660) no Hoare annotation was computed. [2021-08-25 20:47:02,448 INFO L857 garLoopResultBuilder]: For program point L1569-1(lines 64 1660) no Hoare annotation was computed. [2021-08-25 20:47:02,448 INFO L857 garLoopResultBuilder]: For program point L1503-1(lines 64 1660) no Hoare annotation was computed. [2021-08-25 20:47:02,448 INFO L857 garLoopResultBuilder]: For program point L248(lines 248 1475) no Hoare annotation was computed. [2021-08-25 20:47:02,448 INFO L857 garLoopResultBuilder]: For program point L182(lines 182 1475) no Hoare annotation was computed. [2021-08-25 20:47:02,448 INFO L857 garLoopResultBuilder]: For program point L1041(lines 1041 1475) no Hoare annotation was computed. [2021-08-25 20:47:02,448 INFO L857 garLoopResultBuilder]: For program point L909(lines 909 1475) no Hoare annotation was computed. [2021-08-25 20:47:02,448 INFO L857 garLoopResultBuilder]: For program point L711(lines 711 1475) no Hoare annotation was computed. [2021-08-25 20:47:02,448 INFO L857 garLoopResultBuilder]: For program point L1636(line 1636) no Hoare annotation was computed. [2021-08-25 20:47:02,448 INFO L857 garLoopResultBuilder]: For program point L1570(line 1570) no Hoare annotation was computed. [2021-08-25 20:47:02,448 INFO L857 garLoopResultBuilder]: For program point L1504(line 1504) no Hoare annotation was computed. [2021-08-25 20:47:02,448 INFO L857 garLoopResultBuilder]: For program point L976(lines 976 1475) no Hoare annotation was computed. [2021-08-25 20:47:02,448 INFO L857 garLoopResultBuilder]: For program point L779(lines 779 1475) no Hoare annotation was computed. [2021-08-25 20:47:02,448 INFO L857 garLoopResultBuilder]: For program point L1638-1(lines 64 1660) no Hoare annotation was computed. [2021-08-25 20:47:02,448 INFO L857 garLoopResultBuilder]: For program point L1572-1(lines 64 1660) no Hoare annotation was computed. [2021-08-25 20:47:02,448 INFO L857 garLoopResultBuilder]: For program point L1506-1(lines 64 1660) no Hoare annotation was computed. [2021-08-25 20:47:02,448 INFO L857 garLoopResultBuilder]: For program point L846(lines 846 1475) no Hoare annotation was computed. [2021-08-25 20:47:02,448 INFO L857 garLoopResultBuilder]: For program point L1639(line 1639) no Hoare annotation was computed. [2021-08-25 20:47:02,448 INFO L857 garLoopResultBuilder]: For program point L1573(line 1573) no Hoare annotation was computed. [2021-08-25 20:47:02,448 INFO L857 garLoopResultBuilder]: For program point L1507(line 1507) no Hoare annotation was computed. [2021-08-25 20:47:02,448 INFO L857 garLoopResultBuilder]: For program point L451(lines 451 1475) no Hoare annotation was computed. [2021-08-25 20:47:02,448 INFO L857 garLoopResultBuilder]: For program point L1442(lines 1442 1475) no Hoare annotation was computed. [2021-08-25 20:47:02,448 INFO L857 garLoopResultBuilder]: For program point L584(lines 584 1475) no Hoare annotation was computed. [2021-08-25 20:47:02,448 INFO L857 garLoopResultBuilder]: For program point L1641-1(lines 64 1660) no Hoare annotation was computed. [2021-08-25 20:47:02,448 INFO L857 garLoopResultBuilder]: For program point L1575-1(lines 64 1660) no Hoare annotation was computed. [2021-08-25 20:47:02,449 INFO L857 garLoopResultBuilder]: For program point L1509-1(lines 64 1660) no Hoare annotation was computed. [2021-08-25 20:47:02,449 INFO L857 garLoopResultBuilder]: For program point L1642(line 1642) no Hoare annotation was computed. [2021-08-25 20:47:02,449 INFO L857 garLoopResultBuilder]: For program point L1576(line 1576) no Hoare annotation was computed. [2021-08-25 20:47:02,449 INFO L857 garLoopResultBuilder]: For program point L1510(line 1510) no Hoare annotation was computed. [2021-08-25 20:47:02,449 INFO L857 garLoopResultBuilder]: For program point L387(lines 387 1475) no Hoare annotation was computed. [2021-08-25 20:47:02,449 INFO L857 garLoopResultBuilder]: For program point L1114(lines 1114 1475) no Hoare annotation was computed. [2021-08-25 20:47:02,449 INFO L857 garLoopResultBuilder]: For program point L1048(lines 1048 1475) no Hoare annotation was computed. [2021-08-25 20:47:02,449 INFO L857 garLoopResultBuilder]: For program point L388(lines 388 405) no Hoare annotation was computed. [2021-08-25 20:47:02,449 INFO L857 garLoopResultBuilder]: For program point L322(lines 322 1475) no Hoare annotation was computed. [2021-08-25 20:47:02,449 INFO L857 garLoopResultBuilder]: For program point L388-2(lines 388 405) no Hoare annotation was computed. [2021-08-25 20:47:02,449 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-08-25 20:47:02,449 INFO L857 garLoopResultBuilder]: For program point L1247(lines 1247 1475) no Hoare annotation was computed. [2021-08-25 20:47:02,450 INFO L857 garLoopResultBuilder]: For program point L124(lines 124 1475) no Hoare annotation was computed. [2021-08-25 20:47:02,450 INFO L857 garLoopResultBuilder]: For program point L1049(lines 1049 1069) no Hoare annotation was computed. [2021-08-25 20:47:02,450 INFO L857 garLoopResultBuilder]: For program point L1049-2(lines 1049 1069) no Hoare annotation was computed. [2021-08-25 20:47:02,450 INFO L857 garLoopResultBuilder]: For program point L917(lines 917 1475) no Hoare annotation was computed. [2021-08-25 20:47:02,450 INFO L857 garLoopResultBuilder]: For program point L719(lines 719 1475) no Hoare annotation was computed. [2021-08-25 20:47:02,450 INFO L857 garLoopResultBuilder]: For program point L653(lines 653 1475) no Hoare annotation was computed. [2021-08-25 20:47:02,450 INFO L857 garLoopResultBuilder]: For program point L1644-1(lines 64 1660) no Hoare annotation was computed. [2021-08-25 20:47:02,450 INFO L857 garLoopResultBuilder]: For program point L1578-1(lines 64 1660) no Hoare annotation was computed. [2021-08-25 20:47:02,450 INFO L857 garLoopResultBuilder]: For program point L1512-1(lines 64 1660) no Hoare annotation was computed. [2021-08-25 20:47:02,450 INFO L857 garLoopResultBuilder]: For program point L191(lines 191 1475) no Hoare annotation was computed. [2021-08-25 20:47:02,450 INFO L857 garLoopResultBuilder]: For program point L720(lines 720 741) no Hoare annotation was computed. [2021-08-25 20:47:02,451 INFO L857 garLoopResultBuilder]: For program point L720-2(lines 720 741) no Hoare annotation was computed. [2021-08-25 20:47:02,451 INFO L857 garLoopResultBuilder]: For program point L1645(line 1645) no Hoare annotation was computed. [2021-08-25 20:47:02,451 INFO L857 garLoopResultBuilder]: For program point L1579(line 1579) no Hoare annotation was computed. [2021-08-25 20:47:02,451 INFO L857 garLoopResultBuilder]: For program point L1513(line 1513) no Hoare annotation was computed. [2021-08-25 20:47:02,451 INFO L857 garLoopResultBuilder]: For program point L1315(lines 1315 1475) no Hoare annotation was computed. [2021-08-25 20:47:02,451 INFO L857 garLoopResultBuilder]: For program point L258(lines 258 1475) no Hoare annotation was computed. [2021-08-25 20:47:02,451 INFO L857 garLoopResultBuilder]: For program point L1183(lines 1183 1475) no Hoare annotation was computed. [2021-08-25 20:47:02,451 INFO L857 garLoopResultBuilder]: For program point L985(lines 985 1475) no Hoare annotation was computed. [2021-08-25 20:47:02,451 INFO L857 garLoopResultBuilder]: For program point L787(lines 787 1475) no Hoare annotation was computed. [2021-08-25 20:47:02,451 INFO L857 garLoopResultBuilder]: For program point L523(lines 523 1475) no Hoare annotation was computed. [2021-08-25 20:47:02,451 INFO L857 garLoopResultBuilder]: For program point L854(lines 854 1475) no Hoare annotation was computed. [2021-08-25 20:47:02,452 INFO L857 garLoopResultBuilder]: For program point L1647-1(lines 64 1660) no Hoare annotation was computed. [2021-08-25 20:47:02,452 INFO L857 garLoopResultBuilder]: For program point L1581-1(lines 64 1660) no Hoare annotation was computed. [2021-08-25 20:47:02,452 INFO L857 garLoopResultBuilder]: For program point L1515-1(lines 64 1660) no Hoare annotation was computed. [2021-08-25 20:47:02,452 INFO L857 garLoopResultBuilder]: For program point L1648(line 1648) no Hoare annotation was computed. [2021-08-25 20:47:02,452 INFO L857 garLoopResultBuilder]: For program point L1582(line 1582) no Hoare annotation was computed. [2021-08-25 20:47:02,452 INFO L857 garLoopResultBuilder]: For program point L1516(line 1516) no Hoare annotation was computed. [2021-08-25 20:47:02,452 INFO L857 garLoopResultBuilder]: For program point L460(lines 460 1475) no Hoare annotation was computed. [2021-08-25 20:47:02,452 INFO L857 garLoopResultBuilder]: For program point L593(lines 593 1475) no Hoare annotation was computed. [2021-08-25 20:47:02,452 INFO L857 garLoopResultBuilder]: For program point L1650-1(lines 64 1660) no Hoare annotation was computed. [2021-08-25 20:47:02,452 INFO L857 garLoopResultBuilder]: For program point L1584-1(lines 64 1660) no Hoare annotation was computed. [2021-08-25 20:47:02,452 INFO L857 garLoopResultBuilder]: For program point L1518-1(lines 64 1660) no Hoare annotation was computed. [2021-08-25 20:47:02,453 INFO L857 garLoopResultBuilder]: For program point L1452(lines 1452 1475) no Hoare annotation was computed. [2021-08-25 20:47:02,453 INFO L857 garLoopResultBuilder]: For program point L329(lines 329 1475) no Hoare annotation was computed. [2021-08-25 20:47:02,453 INFO L857 garLoopResultBuilder]: For program point L1122(lines 1122 1475) no Hoare annotation was computed. [2021-08-25 20:47:02,453 INFO L857 garLoopResultBuilder]: For program point L65(lines 65 1475) no Hoare annotation was computed. [2021-08-25 20:47:02,453 INFO L857 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-08-25 20:47:02,453 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 1642) no Hoare annotation was computed. [2021-08-25 20:47:02,453 INFO L857 garLoopResultBuilder]: For program point L1651(line 1651) no Hoare annotation was computed. [2021-08-25 20:47:02,453 INFO L857 garLoopResultBuilder]: For program point L1585(line 1585) no Hoare annotation was computed. [2021-08-25 20:47:02,453 INFO L857 garLoopResultBuilder]: For program point L1519(line 1519) no Hoare annotation was computed. [2021-08-25 20:47:02,453 INFO L857 garLoopResultBuilder]: For program point L66(lines 66 81) no Hoare annotation was computed. [2021-08-25 20:47:02,454 INFO L857 garLoopResultBuilder]: For program point L66-2(lines 66 81) no Hoare annotation was computed. [2021-08-25 20:47:02,454 INFO L857 garLoopResultBuilder]: For program point L794(lines 794 1475) no Hoare annotation was computed. [2021-08-25 20:47:02,454 INFO L857 garLoopResultBuilder]: For program point L1653-1(lines 64 1660) no Hoare annotation was computed. [2021-08-25 20:47:02,454 INFO L857 garLoopResultBuilder]: For program point L1587-1(lines 64 1660) no Hoare annotation was computed. [2021-08-25 20:47:02,454 INFO L857 garLoopResultBuilder]: For program point L1521-1(lines 64 1660) no Hoare annotation was computed. [2021-08-25 20:47:02,454 INFO L857 garLoopResultBuilder]: For program point L1323(lines 1323 1475) no Hoare annotation was computed. [2021-08-25 20:47:02,454 INFO L857 garLoopResultBuilder]: For program point L993(lines 993 1475) no Hoare annotation was computed. [2021-08-25 20:47:02,454 INFO L857 garLoopResultBuilder]: For program point L927(lines 927 1475) no Hoare annotation was computed. [2021-08-25 20:47:02,454 INFO L857 garLoopResultBuilder]: For program point L663(lines 663 1475) no Hoare annotation was computed. [2021-08-25 20:47:02,454 INFO L857 garLoopResultBuilder]: For program point L1654(line 1654) no Hoare annotation was computed. [2021-08-25 20:47:02,454 INFO L857 garLoopResultBuilder]: For program point L1588(line 1588) no Hoare annotation was computed. [2021-08-25 20:47:02,455 INFO L857 garLoopResultBuilder]: For program point L1522(line 1522) no Hoare annotation was computed. [2021-08-25 20:47:02,455 INFO L857 garLoopResultBuilder]: For program point L267(lines 267 1475) no Hoare annotation was computed. [2021-08-25 20:47:02,455 INFO L857 garLoopResultBuilder]: For program point L201(lines 201 1475) no Hoare annotation was computed. [2021-08-25 20:47:02,455 INFO L857 garLoopResultBuilder]: For program point L1192(lines 1192 1475) no Hoare annotation was computed. [2021-08-25 20:47:02,455 INFO L857 garLoopResultBuilder]: For program point L928(lines 928 945) no Hoare annotation was computed. [2021-08-25 20:47:02,455 INFO L857 garLoopResultBuilder]: For program point L928-2(lines 928 945) no Hoare annotation was computed. [2021-08-25 20:47:02,455 INFO L857 garLoopResultBuilder]: For program point L532(lines 532 1475) no Hoare annotation was computed. [2021-08-25 20:47:02,455 INFO L857 garLoopResultBuilder]: For program point L1391(lines 1391 1475) no Hoare annotation was computed. [2021-08-25 20:47:02,455 INFO L857 garLoopResultBuilder]: For program point L1259(lines 1259 1475) no Hoare annotation was computed. [2021-08-25 20:47:02,455 INFO L857 garLoopResultBuilder]: For program point L202(lines 202 221) no Hoare annotation was computed. [2021-08-25 20:47:02,455 INFO L857 garLoopResultBuilder]: For program point L136(lines 136 1475) no Hoare annotation was computed. [2021-08-25 20:47:02,455 INFO L857 garLoopResultBuilder]: For program point L202-2(lines 202 221) no Hoare annotation was computed. [2021-08-25 20:47:02,455 INFO L857 garLoopResultBuilder]: For program point L863(lines 863 1475) no Hoare annotation was computed. [2021-08-25 20:47:02,455 INFO L857 garLoopResultBuilder]: For program point L1656-1(lines 1656 1658) no Hoare annotation was computed. [2021-08-25 20:47:02,455 INFO L857 garLoopResultBuilder]: For program point L1590-1(lines 64 1660) no Hoare annotation was computed. [2021-08-25 20:47:02,455 INFO L857 garLoopResultBuilder]: For program point L1524-1(lines 64 1660) no Hoare annotation was computed. [2021-08-25 20:47:02,456 INFO L857 garLoopResultBuilder]: For program point L1392(lines 1392 1410) no Hoare annotation was computed. [2021-08-25 20:47:02,456 INFO L857 garLoopResultBuilder]: For program point L1392-2(lines 1392 1410) no Hoare annotation was computed. [2021-08-25 20:47:02,456 INFO L857 garLoopResultBuilder]: For program point L1260(lines 1260 1282) no Hoare annotation was computed. [2021-08-25 20:47:02,456 INFO L857 garLoopResultBuilder]: For program point L1260-2(lines 1260 1282) no Hoare annotation was computed. [2021-08-25 20:47:02,456 INFO L857 garLoopResultBuilder]: For program point L1657(line 1657) no Hoare annotation was computed. [2021-08-25 20:47:02,456 INFO L857 garLoopResultBuilder]: For program point L1591(line 1591) no Hoare annotation was computed. [2021-08-25 20:47:02,456 INFO L857 garLoopResultBuilder]: For program point L1525(line 1525) no Hoare annotation was computed. [2021-08-25 20:47:02,456 INFO L857 garLoopResultBuilder]: For program point L468(lines 468 1475) no Hoare annotation was computed. [2021-08-25 20:47:02,456 INFO L857 garLoopResultBuilder]: For program point L1130(lines 1130 1475) no Hoare annotation was computed. [2021-08-25 20:47:02,456 INFO L857 garLoopResultBuilder]: For program point L668(lines 668 1475) no Hoare annotation was computed. [2021-08-25 20:47:02,456 INFO L853 garLoopResultBuilder]: At program point L1659(lines 64 1660) the Hoare annotation is: (let ((.cse10 (= ~a25~0 1))) (let ((.cse16 (<= ~a22~0 0)) (.cse20 (not .cse10)) (.cse11 (<= ~a26~0 0)) (.cse7 (<= ~a23~0 0)) (.cse21 (= ~a12~0 ~a2~0)) (.cse18 (= ~a11~0 0)) (.cse19 (= ~a12~0 ~a11~0)) (.cse14 (= ~a3~0 0)) (.cse15 (<= ~a20~0 0)) (.cse3 (<= 1 ~a3~0)) (.cse4 (= ~a16~0 1)) (.cse5 (not (= ~a7~0 1))) (.cse8 (<= ~a12~0 0)) (.cse9 (<= ~a6~0 0)) (.cse0 (= ~a26~0 1)) (.cse1 (= ~a5~0 1)) (.cse17 (= ~a12~0 1)) (.cse2 (<= ~a3~0 1)) (.cse6 (= ~a11~0 1)) (.cse12 (= ~a6~0 1)) (.cse13 (= ~a27~0 1))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 .cse9) (and .cse10 .cse1 .cse4 .cse11 .cse6 .cse12 .cse8 .cse13 .cse14) (and .cse0 .cse15 .cse1 .cse2 .cse3 .cse16 .cse6 .cse12 .cse8 .cse13) (and .cse1 .cse17 .cse4 .cse5 .cse11 .cse18 .cse12 .cse14) (and .cse10 .cse1 .cse4 .cse6 .cse8 .cse13 .cse14 .cse9) (and .cse0 .cse15 .cse1 .cse2 .cse3 .cse4 .cse5 .cse18 .cse8 .cse9) (and .cse1 .cse17 .cse2 .cse3 .cse4 .cse5 .cse7 .cse18 .cse12) (and .cse0 .cse10 .cse1 .cse2 .cse4 .cse6 .cse7 .cse8 .cse13 .cse9) (and .cse1 .cse3 .cse4 .cse5 .cse11 .cse6 .cse8 .cse9) (and .cse0 .cse1 .cse17 .cse4 .cse5 .cse6 .cse12 .cse13) (and .cse1 .cse4 .cse5 .cse11 .cse6 .cse12 .cse8 .cse13 .cse14) (and .cse1 .cse2 .cse3 .cse4 .cse5 .cse7 .cse18 .cse12 .cse8 .cse13) (and .cse0 .cse1 .cse17 .cse18 .cse14 .cse9) (and .cse1 .cse3 .cse19 .cse4 .cse5 .cse11 .cse18 .cse12) (and .cse0 .cse15 .cse1 .cse2 .cse4 .cse16 .cse6 .cse8 .cse13 .cse9) (and .cse1 .cse4 .cse5 .cse11 .cse7 .cse18 .cse8 .cse13 .cse14 .cse9) (and .cse0 .cse1 .cse3 .cse4 .cse5 .cse18 .cse12 .cse8) (and .cse15 .cse1 .cse19 .cse4 .cse5 .cse6 .cse7 .cse12 .cse20 .cse13 .cse14) (and .cse10 .cse1 .cse2 .cse3 .cse19 .cse4 .cse5 .cse6 .cse12) (and .cse1 .cse17 .cse5 .cse11 .cse18 .cse14 .cse9) (and .cse0 .cse1 .cse4 .cse5 .cse7 .cse18 .cse12 .cse8 .cse14) (and .cse0 .cse1 .cse19 .cse4 .cse5 .cse6 .cse20 .cse14 .cse9) (and .cse1 .cse17 .cse3 .cse4 .cse5 .cse7 .cse18 .cse12 .cse13) (and .cse1 .cse17 (or (and .cse0 .cse6 .cse14) (and .cse0 .cse2 .cse6 .cse9)) .cse13) (and .cse0 .cse15 .cse1 .cse3 .cse4 .cse5 .cse18 .cse8 .cse13 .cse9) (and .cse0 .cse1 .cse2 .cse5 .cse18 .cse12 .cse8 .cse13) (and .cse0 .cse10 .cse1 .cse4 .cse6 .cse7 .cse12 .cse8 .cse13 .cse14) (and .cse1 .cse3 .cse19 .cse4 .cse5 .cse6 .cse12 .cse20 .cse13) (and .cse0 .cse10 .cse1 .cse3 .cse4 .cse6 .cse12 .cse8 .cse13) (and .cse15 .cse1 .cse2 .cse3 .cse19 .cse4 .cse5 .cse6 .cse7 .cse20 .cse9) (and .cse15 .cse1 .cse2 .cse3 .cse4 .cse5 .cse11 .cse18 .cse8 .cse9) (and .cse0 .cse1 .cse2 .cse3 .cse19 .cse4 .cse6 .cse9) (and .cse0 .cse1 .cse4 .cse5 .cse6 .cse8 .cse14 .cse9) (and .cse0 .cse1 .cse17 .cse3 .cse4 .cse5 .cse18 .cse9) (and .cse0 .cse10 .cse1 .cse2 .cse18 .cse12 .cse8 .cse13) (and .cse0 .cse15 .cse1 .cse4 .cse5 (= ~a11~0 ~a2~0) .cse6 .cse7 .cse12 (= ~a29~0 1) .cse20 .cse8 .cse13) (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse12 .cse8) (and .cse0 .cse10 .cse1 .cse2 .cse3 .cse6 .cse12 .cse8 .cse13) (and .cse0 .cse1 .cse4 .cse5 .cse18 .cse20 .cse8 .cse13 .cse14 .cse9) (and .cse0 .cse1 .cse17 .cse2 .cse18 .cse12 .cse13) (and .cse0 .cse1 .cse17 .cse18 .cse13 .cse14) (and .cse15 .cse1 .cse3 .cse4 .cse5 .cse11 .cse18 .cse8 .cse13 .cse9) (and .cse0 .cse10 .cse17 .cse2 .cse6 .cse21 .cse12 .cse13) (and .cse1 .cse3 .cse4 .cse5 .cse11 .cse18 .cse12 .cse8 .cse13) (and .cse1 .cse4 .cse5 .cse6 .cse8 .cse13 .cse14 .cse9) (and .cse0 .cse10 .cse17 .cse21 .cse18 .cse13 .cse14) (and .cse1 .cse17 .cse3 .cse4 .cse5 .cse11 .cse18 .cse12) (and .cse0 .cse15 .cse10 .cse1 .cse2 .cse3 .cse4 .cse18 .cse8 .cse13 .cse9) (and .cse1 .cse17 .cse3 .cse4 .cse5 .cse11 .cse18 .cse13 .cse9) (and .cse0 .cse10 .cse1 .cse4 .cse6 .cse8 .cse14 .cse9) (and .cse1 .cse3 .cse4 .cse5 .cse11 .cse6 .cse12 .cse8 .cse13) (and .cse0 .cse1 .cse2 .cse4 .cse5 .cse6 .cse7 .cse8 .cse13 .cse9) (and .cse10 .cse1 .cse4 .cse11 .cse7 .cse18 .cse8 .cse13 .cse14 .cse9) (and .cse0 .cse1 .cse17 .cse2 .cse3 .cse5 .cse18 .cse13 .cse9) (and .cse0 .cse1 .cse17 .cse3 .cse4 .cse5 .cse6 .cse9) (and .cse0 .cse10 .cse17 .cse2 .cse21 .cse18 .cse12 .cse13) (and .cse0 .cse1 .cse4 .cse5 .cse6 .cse12 .cse8 .cse14) (and .cse0 .cse1 .cse17 .cse3 .cse4 .cse5 .cse18 .cse12) (and .cse0 .cse1 .cse19 .cse4 .cse5 .cse6 .cse12 .cse14) (and .cse0 .cse15 .cse1 .cse3 .cse4 .cse5 .cse6 .cse12 .cse8) (and .cse0 .cse1 .cse2 .cse3 .cse5 .cse6 .cse12 .cse8 .cse13) (and .cse1 .cse3 .cse4 .cse5 .cse6 .cse8 .cse13 .cse9) (and .cse0 .cse1 .cse17 .cse2 .cse6 .cse12 .cse13)))) [2021-08-25 20:47:02,456 INFO L857 garLoopResultBuilder]: For program point L602(lines 602 1475) no Hoare annotation was computed. [2021-08-25 20:47:02,456 INFO L857 garLoopResultBuilder]: For program point L1593-1(lines 64 1660) no Hoare annotation was computed. [2021-08-25 20:47:02,456 INFO L857 garLoopResultBuilder]: For program point L1527-1(lines 64 1660) no Hoare annotation was computed. [2021-08-25 20:47:02,456 INFO L857 garLoopResultBuilder]: For program point L1594(line 1594) no Hoare annotation was computed. [2021-08-25 20:47:02,456 INFO L857 garLoopResultBuilder]: For program point L1528(line 1528) no Hoare annotation was computed. [2021-08-25 20:47:02,456 INFO L857 garLoopResultBuilder]: For program point L1462(lines 1462 1475) no Hoare annotation was computed. [2021-08-25 20:47:02,456 INFO L857 garLoopResultBuilder]: For program point L339(lines 339 1475) no Hoare annotation was computed. [2021-08-25 20:47:02,457 INFO L857 garLoopResultBuilder]: For program point L1331(lines 1331 1475) no Hoare annotation was computed. [2021-08-25 20:47:02,457 INFO L860 garLoopResultBuilder]: At program point L1662(lines 1662 1679) the Hoare annotation is: true [2021-08-25 20:47:02,457 INFO L857 garLoopResultBuilder]: For program point L539(lines 539 1475) no Hoare annotation was computed. [2021-08-25 20:47:02,457 INFO L857 garLoopResultBuilder]: For program point L1596-1(lines 64 1660) no Hoare annotation was computed. [2021-08-25 20:47:02,457 INFO L857 garLoopResultBuilder]: For program point L1530-1(lines 64 1660) no Hoare annotation was computed. [2021-08-25 20:47:02,457 INFO L857 garLoopResultBuilder]: For program point L407(lines 407 1475) no Hoare annotation was computed. [2021-08-25 20:47:02,457 INFO L857 garLoopResultBuilder]: For program point L275(lines 275 1475) no Hoare annotation was computed. [2021-08-25 20:47:02,457 INFO L857 garLoopResultBuilder]: For program point L1200(lines 1200 1475) no Hoare annotation was computed. [2021-08-25 20:47:02,457 INFO L857 garLoopResultBuilder]: For program point L1597(line 1597) no Hoare annotation was computed. [2021-08-25 20:47:02,457 INFO L857 garLoopResultBuilder]: For program point L1531(line 1531) no Hoare annotation was computed. [2021-08-25 20:47:02,457 INFO L857 garLoopResultBuilder]: For program point L805(lines 805 1475) no Hoare annotation was computed. [2021-08-25 20:47:02,457 INFO L857 garLoopResultBuilder]: For program point L145(lines 145 1475) no Hoare annotation was computed. [2021-08-25 20:47:02,457 INFO L857 garLoopResultBuilder]: For program point L1004(lines 1004 1475) no Hoare annotation was computed. [2021-08-25 20:47:02,457 INFO L857 garLoopResultBuilder]: For program point L1599-1(lines 64 1660) no Hoare annotation was computed. [2021-08-25 20:47:02,457 INFO L857 garLoopResultBuilder]: For program point L1533-1(lines 64 1660) no Hoare annotation was computed. [2021-08-25 20:47:02,457 INFO L857 garLoopResultBuilder]: For program point L1137(lines 1137 1475) no Hoare annotation was computed. [2021-08-25 20:47:02,457 INFO L857 garLoopResultBuilder]: For program point L1071(lines 1071 1475) no Hoare annotation was computed. [2021-08-25 20:47:02,457 INFO L857 garLoopResultBuilder]: For program point L873(lines 873 1475) no Hoare annotation was computed. [2021-08-25 20:47:02,457 INFO L857 garLoopResultBuilder]: For program point L675(lines 675 1475) no Hoare annotation was computed. [2021-08-25 20:47:02,457 INFO L857 garLoopResultBuilder]: For program point L1600(line 1600) no Hoare annotation was computed. [2021-08-25 20:47:02,457 INFO L857 garLoopResultBuilder]: For program point L1534(line 1534) no Hoare annotation was computed. [2021-08-25 20:47:02,457 INFO L857 garLoopResultBuilder]: For program point L477(lines 477 1475) no Hoare annotation was computed. [2021-08-25 20:47:02,457 INFO L857 garLoopResultBuilder]: For program point L1336(lines 1336 1475) no Hoare annotation was computed. [2021-08-25 20:47:02,457 INFO L857 garLoopResultBuilder]: For program point L478(lines 478 488) no Hoare annotation was computed. [2021-08-25 20:47:02,457 INFO L857 garLoopResultBuilder]: For program point L478-2(lines 478 488) no Hoare annotation was computed. [2021-08-25 20:47:02,457 INFO L857 garLoopResultBuilder]: For program point L743(lines 743 1475) no Hoare annotation was computed. [2021-08-25 20:47:02,458 INFO L853 garLoopResultBuilder]: At program point L1668-2(lines 1668 1678) the Hoare annotation is: (let ((.cse10 (= ~a25~0 1))) (let ((.cse16 (<= ~a22~0 0)) (.cse20 (not .cse10)) (.cse11 (<= ~a26~0 0)) (.cse7 (<= ~a23~0 0)) (.cse21 (= ~a12~0 ~a2~0)) (.cse18 (= ~a11~0 0)) (.cse19 (= ~a12~0 ~a11~0)) (.cse14 (= ~a3~0 0)) (.cse15 (<= ~a20~0 0)) (.cse3 (<= 1 ~a3~0)) (.cse4 (= ~a16~0 1)) (.cse5 (not (= ~a7~0 1))) (.cse8 (<= ~a12~0 0)) (.cse9 (<= ~a6~0 0)) (.cse0 (= ~a26~0 1)) (.cse1 (= ~a5~0 1)) (.cse17 (= ~a12~0 1)) (.cse2 (<= ~a3~0 1)) (.cse6 (= ~a11~0 1)) (.cse12 (= ~a6~0 1)) (.cse13 (= ~a27~0 1))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 .cse9) (and .cse10 .cse1 .cse4 .cse11 .cse6 .cse12 .cse8 .cse13 .cse14) (and .cse0 .cse15 .cse1 .cse2 .cse3 .cse16 .cse6 .cse12 .cse8 .cse13) (and .cse1 .cse17 .cse4 .cse5 .cse11 .cse18 .cse12 .cse14) (and .cse10 .cse1 .cse4 .cse6 .cse8 .cse13 .cse14 .cse9) (and .cse0 .cse15 .cse1 .cse2 .cse3 .cse4 .cse5 .cse18 .cse8 .cse9) (and .cse1 .cse17 .cse2 .cse3 .cse4 .cse5 .cse7 .cse18 .cse12) (and .cse0 .cse10 .cse1 .cse2 .cse4 .cse6 .cse7 .cse8 .cse13 .cse9) (and .cse1 .cse3 .cse4 .cse5 .cse11 .cse6 .cse8 .cse9) (and .cse0 .cse1 .cse17 .cse4 .cse5 .cse6 .cse12 .cse13) (and .cse1 .cse4 .cse5 .cse11 .cse6 .cse12 .cse8 .cse13 .cse14) (and .cse1 .cse2 .cse3 .cse4 .cse5 .cse7 .cse18 .cse12 .cse8 .cse13) (and .cse0 .cse1 .cse17 .cse18 .cse14 .cse9) (and .cse1 .cse3 .cse19 .cse4 .cse5 .cse11 .cse18 .cse12) (and .cse0 .cse15 .cse1 .cse2 .cse4 .cse16 .cse6 .cse8 .cse13 .cse9) (and .cse1 .cse4 .cse5 .cse11 .cse7 .cse18 .cse8 .cse13 .cse14 .cse9) (and .cse0 .cse1 .cse3 .cse4 .cse5 .cse18 .cse12 .cse8) (and .cse15 .cse1 .cse19 .cse4 .cse5 .cse6 .cse7 .cse12 .cse20 .cse13 .cse14) (and .cse10 .cse1 .cse2 .cse3 .cse19 .cse4 .cse5 .cse6 .cse12) (and .cse1 .cse17 .cse5 .cse11 .cse18 .cse14 .cse9) (and .cse0 .cse1 .cse4 .cse5 .cse7 .cse18 .cse12 .cse8 .cse14) (and .cse0 .cse1 .cse19 .cse4 .cse5 .cse6 .cse20 .cse14 .cse9) (and .cse1 .cse17 .cse3 .cse4 .cse5 .cse7 .cse18 .cse12 .cse13) (and .cse1 .cse17 (or (and .cse0 .cse6 .cse14) (and .cse0 .cse2 .cse6 .cse9)) .cse13) (and .cse0 .cse15 .cse1 .cse3 .cse4 .cse5 .cse18 .cse8 .cse13 .cse9) (and .cse0 .cse1 .cse2 .cse5 .cse18 .cse12 .cse8 .cse13) (and .cse0 .cse10 .cse1 .cse4 .cse6 .cse7 .cse12 .cse8 .cse13 .cse14) (and .cse1 .cse3 .cse19 .cse4 .cse5 .cse6 .cse12 .cse20 .cse13) (and .cse0 .cse10 .cse1 .cse3 .cse4 .cse6 .cse12 .cse8 .cse13) (and .cse15 .cse1 .cse2 .cse3 .cse19 .cse4 .cse5 .cse6 .cse7 .cse20 .cse9) (and .cse15 .cse1 .cse2 .cse3 .cse4 .cse5 .cse11 .cse18 .cse8 .cse9) (and .cse0 .cse1 .cse2 .cse3 .cse19 .cse4 .cse6 .cse9) (and .cse0 .cse1 .cse4 .cse5 .cse6 .cse8 .cse14 .cse9) (and .cse0 .cse1 .cse17 .cse3 .cse4 .cse5 .cse18 .cse9) (and .cse0 .cse10 .cse1 .cse2 .cse18 .cse12 .cse8 .cse13) (and .cse0 .cse15 .cse1 .cse4 .cse5 (= ~a11~0 ~a2~0) .cse6 .cse7 .cse12 (= ~a29~0 1) .cse20 .cse8 .cse13) (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse12 .cse8) (and .cse0 .cse10 .cse1 .cse2 .cse3 .cse6 .cse12 .cse8 .cse13) (and .cse0 .cse1 .cse4 .cse5 .cse18 .cse20 .cse8 .cse13 .cse14 .cse9) (and .cse0 .cse1 .cse17 .cse2 .cse18 .cse12 .cse13) (and .cse0 .cse1 .cse17 .cse18 .cse13 .cse14) (and .cse15 .cse1 .cse3 .cse4 .cse5 .cse11 .cse18 .cse8 .cse13 .cse9) (and .cse0 .cse10 .cse17 .cse2 .cse6 .cse21 .cse12 .cse13) (and .cse1 .cse3 .cse4 .cse5 .cse11 .cse18 .cse12 .cse8 .cse13) (and .cse1 .cse4 .cse5 .cse6 .cse8 .cse13 .cse14 .cse9) (and .cse0 .cse10 .cse17 .cse21 .cse18 .cse13 .cse14) (and .cse1 .cse17 .cse3 .cse4 .cse5 .cse11 .cse18 .cse12) (and .cse0 .cse15 .cse10 .cse1 .cse2 .cse3 .cse4 .cse18 .cse8 .cse13 .cse9) (and .cse1 .cse17 .cse3 .cse4 .cse5 .cse11 .cse18 .cse13 .cse9) (and .cse0 .cse10 .cse1 .cse4 .cse6 .cse8 .cse14 .cse9) (and .cse1 .cse3 .cse4 .cse5 .cse11 .cse6 .cse12 .cse8 .cse13) (and .cse0 .cse1 .cse2 .cse4 .cse5 .cse6 .cse7 .cse8 .cse13 .cse9) (and .cse10 .cse1 .cse4 .cse11 .cse7 .cse18 .cse8 .cse13 .cse14 .cse9) (and .cse0 .cse1 .cse17 .cse2 .cse3 .cse5 .cse18 .cse13 .cse9) (and .cse0 .cse1 .cse17 .cse3 .cse4 .cse5 .cse6 .cse9) (and .cse0 .cse10 .cse17 .cse2 .cse21 .cse18 .cse12 .cse13) (and .cse0 .cse1 .cse4 .cse5 .cse6 .cse12 .cse8 .cse14) (and .cse0 .cse1 .cse17 .cse3 .cse4 .cse5 .cse18 .cse12) (and .cse0 .cse1 .cse19 .cse4 .cse5 .cse6 .cse12 .cse14) (and .cse0 .cse15 .cse1 .cse3 .cse4 .cse5 .cse6 .cse12 .cse8) (and .cse0 .cse1 .cse2 .cse3 .cse5 .cse6 .cse12 .cse8 .cse13) (and .cse1 .cse3 .cse4 .cse5 .cse6 .cse8 .cse13 .cse9) (and .cse0 .cse1 .cse17 .cse2 .cse6 .cse12 .cse13)))) [2021-08-25 20:47:02,458 INFO L857 garLoopResultBuilder]: For program point L1602-1(lines 64 1660) no Hoare annotation was computed. [2021-08-25 20:47:02,458 INFO L857 garLoopResultBuilder]: For program point L1536-1(lines 64 1660) no Hoare annotation was computed. [2021-08-25 20:47:02,458 INFO L857 garLoopResultBuilder]: For program point L1470(lines 1470 1475) no Hoare annotation was computed. [2021-08-25 20:47:02,458 INFO L857 garLoopResultBuilder]: For program point L83(lines 83 1475) no Hoare annotation was computed. [2021-08-25 20:47:02,458 INFO L857 garLoopResultBuilder]: For program point L1603(line 1603) no Hoare annotation was computed. [2021-08-25 20:47:02,458 INFO L857 garLoopResultBuilder]: For program point L1537(line 1537) no Hoare annotation was computed. [2021-08-25 20:47:02,458 INFO L857 garLoopResultBuilder]: For program point L613(lines 613 1475) no Hoare annotation was computed. [2021-08-25 20:47:02,458 INFO L857 garLoopResultBuilder]: For program point L415(lines 415 1475) no Hoare annotation was computed. [2021-08-25 20:47:02,458 INFO L857 garLoopResultBuilder]: For program point L349(lines 349 1475) no Hoare annotation was computed. [2021-08-25 20:47:02,458 INFO L857 garLoopResultBuilder]: For program point L1142(lines 1142 1475) no Hoare annotation was computed. [2021-08-25 20:47:02,458 INFO L857 garLoopResultBuilder]: For program point L1076(lines 1076 1475) no Hoare annotation was computed. [2021-08-25 20:47:02,458 INFO L857 garLoopResultBuilder]: For program point L878(lines 878 1475) no Hoare annotation was computed. [2021-08-25 20:47:02,458 INFO L857 garLoopResultBuilder]: For program point L1605-1(lines 64 1660) no Hoare annotation was computed. [2021-08-25 20:47:02,458 INFO L857 garLoopResultBuilder]: For program point L1539-1(lines 64 1660) no Hoare annotation was computed. [2021-08-25 20:47:02,458 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-08-25 20:47:02,458 INFO L857 garLoopResultBuilder]: For program point L879(lines 879 897) no Hoare annotation was computed. [2021-08-25 20:47:02,458 INFO L857 garLoopResultBuilder]: For program point L879-2(lines 879 897) no Hoare annotation was computed. [2021-08-25 20:47:02,458 INFO L857 garLoopResultBuilder]: For program point L1606(line 1606) no Hoare annotation was computed. [2021-08-25 20:47:02,458 INFO L857 garLoopResultBuilder]: For program point L549(lines 549 1475) no Hoare annotation was computed. [2021-08-25 20:47:02,458 INFO L857 garLoopResultBuilder]: For program point L1540(line 1540) no Hoare annotation was computed. [2021-08-25 20:47:02,458 INFO L857 garLoopResultBuilder]: For program point L1210(lines 1210 1475) no Hoare annotation was computed. [2021-08-25 20:47:02,458 INFO L857 garLoopResultBuilder]: For program point L814(lines 814 1475) no Hoare annotation was computed. [2021-08-25 20:47:02,458 INFO L857 garLoopResultBuilder]: For program point L1673(line 1673) no Hoare annotation was computed. [2021-08-25 20:47:02,458 INFO L857 garLoopResultBuilder]: For program point L286(lines 286 1475) no Hoare annotation was computed. [2021-08-25 20:47:02,458 INFO L857 garLoopResultBuilder]: For program point L1013(lines 1013 1475) no Hoare annotation was computed. [2021-08-25 20:47:02,458 INFO L857 garLoopResultBuilder]: For program point L947(lines 947 1475) no Hoare annotation was computed. [2021-08-25 20:47:02,459 INFO L857 garLoopResultBuilder]: For program point L1608-1(lines 64 1660) no Hoare annotation was computed. [2021-08-25 20:47:02,459 INFO L857 garLoopResultBuilder]: For program point L1542-1(lines 64 1660) no Hoare annotation was computed. [2021-08-25 20:47:02,459 INFO L857 garLoopResultBuilder]: For program point L1476(lines 1476 1478) no Hoare annotation was computed. [2021-08-25 20:47:02,459 INFO L857 garLoopResultBuilder]: For program point L1476-2(lines 64 1660) no Hoare annotation was computed. [2021-08-25 20:47:02,459 INFO L857 garLoopResultBuilder]: For program point L1609(line 1609) no Hoare annotation was computed. [2021-08-25 20:47:02,459 INFO L857 garLoopResultBuilder]: For program point L1543(line 1543) no Hoare annotation was computed. [2021-08-25 20:47:02,459 INFO L857 garLoopResultBuilder]: For program point L1477(line 1477) no Hoare annotation was computed. [2021-08-25 20:47:02,459 INFO L857 garLoopResultBuilder]: For program point L156(lines 156 1475) no Hoare annotation was computed. [2021-08-25 20:47:02,459 INFO L857 garLoopResultBuilder]: For program point L685(lines 685 1475) no Hoare annotation was computed. [2021-08-25 20:47:02,459 INFO L857 garLoopResultBuilder]: For program point L1412(lines 1412 1475) no Hoare annotation was computed. [2021-08-25 20:47:02,460 INFO L857 garLoopResultBuilder]: For program point L1346(lines 1346 1475) no Hoare annotation was computed. [2021-08-25 20:47:02,460 INFO L857 garLoopResultBuilder]: For program point L223(lines 223 1475) no Hoare annotation was computed. [2021-08-25 20:47:02,460 INFO L857 garLoopResultBuilder]: For program point L1611-1(lines 64 1660) no Hoare annotation was computed. [2021-08-25 20:47:02,460 INFO L857 garLoopResultBuilder]: For program point L1545-1(lines 64 1660) no Hoare annotation was computed. [2021-08-25 20:47:02,460 INFO L857 garLoopResultBuilder]: For program point L1479-1(lines 64 1660) no Hoare annotation was computed. [2021-08-25 20:47:02,460 INFO L857 garLoopResultBuilder]: For program point L1413(lines 1413 1431) no Hoare annotation was computed. [2021-08-25 20:47:02,460 INFO L857 garLoopResultBuilder]: For program point L1413-2(lines 1413 1431) no Hoare annotation was computed. [2021-08-25 20:47:02,460 INFO L857 garLoopResultBuilder]: For program point L92(lines 92 1475) no Hoare annotation was computed. [2021-08-25 20:47:02,460 INFO L857 garLoopResultBuilder]: For program point L753(lines 753 1475) no Hoare annotation was computed. [2021-08-25 20:47:02,460 INFO L857 garLoopResultBuilder]: For program point L1612(line 1612) no Hoare annotation was computed. [2021-08-25 20:47:02,460 INFO L857 garLoopResultBuilder]: For program point L1546(line 1546) no Hoare annotation was computed. [2021-08-25 20:47:02,461 INFO L857 garLoopResultBuilder]: For program point L1480(line 1480) no Hoare annotation was computed. [2021-08-25 20:47:02,461 INFO L857 garLoopResultBuilder]: For program point L1084(lines 1084 1475) no Hoare annotation was computed. [2021-08-25 20:47:02,461 INFO L857 garLoopResultBuilder]: For program point L556(lines 556 1475) no Hoare annotation was computed. [2021-08-25 20:47:02,461 INFO L857 garLoopResultBuilder]: For program point L490(lines 490 1475) no Hoare annotation was computed. [2021-08-25 20:47:02,461 INFO L857 garLoopResultBuilder]: For program point L424(lines 424 1475) no Hoare annotation was computed. [2021-08-25 20:47:02,461 INFO L857 garLoopResultBuilder]: For program point L358(lines 358 1475) no Hoare annotation was computed. [2021-08-25 20:47:02,461 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-08-25 20:47:02,461 INFO L857 garLoopResultBuilder]: For program point L1614-1(lines 64 1660) no Hoare annotation was computed. [2021-08-25 20:47:02,461 INFO L857 garLoopResultBuilder]: For program point L1548-1(lines 64 1660) no Hoare annotation was computed. [2021-08-25 20:47:02,461 INFO L857 garLoopResultBuilder]: For program point L1482-1(lines 64 1660) no Hoare annotation was computed. [2021-08-25 20:47:02,461 INFO L857 garLoopResultBuilder]: For program point L1284(lines 1284 1475) no Hoare annotation was computed. [2021-08-25 20:47:02,462 INFO L857 garLoopResultBuilder]: For program point L1152(lines 1152 1475) no Hoare annotation was computed. [2021-08-25 20:47:02,462 INFO L857 garLoopResultBuilder]: For program point L624(lines 624 1475) no Hoare annotation was computed. [2021-08-25 20:47:02,462 INFO L857 garLoopResultBuilder]: For program point L1615(line 1615) no Hoare annotation was computed. [2021-08-25 20:47:02,462 INFO L857 garLoopResultBuilder]: For program point L1549(line 1549) no Hoare annotation was computed. [2021-08-25 20:47:02,462 INFO L857 garLoopResultBuilder]: For program point L1483(line 1483) no Hoare annotation was computed. [2021-08-25 20:47:02,462 INFO L857 garLoopResultBuilder]: For program point L294(lines 294 1475) no Hoare annotation was computed. [2021-08-25 20:47:02,462 INFO L857 garLoopResultBuilder]: For program point L1021(lines 1021 1475) no Hoare annotation was computed. [2021-08-25 20:47:02,462 INFO L857 garLoopResultBuilder]: For program point L823(lines 823 1475) no Hoare annotation was computed. [2021-08-25 20:47:02,462 INFO L857 garLoopResultBuilder]: For program point L1220(lines 1220 1475) no Hoare annotation was computed. [2021-08-25 20:47:02,462 INFO L857 garLoopResultBuilder]: For program point L1617-1(lines 64 1660) no Hoare annotation was computed. [2021-08-25 20:47:02,462 INFO L857 garLoopResultBuilder]: For program point L1551-1(lines 64 1660) no Hoare annotation was computed. [2021-08-25 20:47:02,462 INFO L857 garLoopResultBuilder]: For program point L1485-1(lines 64 1660) no Hoare annotation was computed. [2021-08-25 20:47:02,462 INFO L857 garLoopResultBuilder]: For program point L1221(lines 1221 1234) no Hoare annotation was computed. [2021-08-25 20:47:02,462 INFO L857 garLoopResultBuilder]: For program point L1221-2(lines 1221 1234) no Hoare annotation was computed. [2021-08-25 20:47:02,462 INFO L857 garLoopResultBuilder]: For program point L957(lines 957 1475) no Hoare annotation was computed. [2021-08-25 20:47:02,462 INFO L857 garLoopResultBuilder]: For program point L1618(line 1618) no Hoare annotation was computed. [2021-08-25 20:47:02,462 INFO L857 garLoopResultBuilder]: For program point L1552(line 1552) no Hoare annotation was computed. [2021-08-25 20:47:02,462 INFO L857 garLoopResultBuilder]: For program point L1486(line 1486) no Hoare annotation was computed. [2021-08-25 20:47:02,462 INFO L857 garLoopResultBuilder]: For program point L1354(lines 1354 1475) no Hoare annotation was computed. [2021-08-25 20:47:02,462 INFO L857 garLoopResultBuilder]: For program point L165(lines 165 1475) no Hoare annotation was computed. [2021-08-25 20:47:02,462 INFO L857 garLoopResultBuilder]: For program point L99(lines 99 1475) no Hoare annotation was computed. [2021-08-25 20:47:02,462 INFO L857 garLoopResultBuilder]: For program point L694(lines 694 1475) no Hoare annotation was computed. [2021-08-25 20:47:02,462 INFO L857 garLoopResultBuilder]: For program point L232(lines 232 1475) no Hoare annotation was computed. [2021-08-25 20:47:02,463 INFO L857 garLoopResultBuilder]: For program point L695(lines 695 709) no Hoare annotation was computed. [2021-08-25 20:47:02,463 INFO L857 garLoopResultBuilder]: For program point L695-2(lines 695 709) no Hoare annotation was computed. [2021-08-25 20:47:02,463 INFO L857 garLoopResultBuilder]: For program point L1620-1(lines 64 1660) no Hoare annotation was computed. [2021-08-25 20:47:02,463 INFO L857 garLoopResultBuilder]: For program point L1554-1(lines 64 1660) no Hoare annotation was computed. [2021-08-25 20:47:02,463 INFO L857 garLoopResultBuilder]: For program point L1488-1(lines 64 1660) no Hoare annotation was computed. [2021-08-25 20:47:02,465 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-08-25 20:47:02,503 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 25.08 08:47:02 BoogieIcfgContainer [2021-08-25 20:47:02,503 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-08-25 20:47:02,503 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-08-25 20:47:02,503 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-08-25 20:47:02,504 INFO L275 PluginConnector]: Witness Printer initialized [2021-08-25 20:47:02,504 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.08 08:45:39" (3/4) ... [2021-08-25 20:47:02,506 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-08-25 20:47:02,525 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2021-08-25 20:47:02,527 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2021-08-25 20:47:02,529 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-08-25 20:47:02,530 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-08-25 20:47:02,626 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2021-08-25 20:47:02,626 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-08-25 20:47:02,627 INFO L168 Benchmark]: Toolchain (without parser) took 85134.79 ms. Allocated memory was 50.3 MB in the beginning and 13.2 GB in the end (delta: 13.1 GB). Free memory was 31.1 MB in the beginning and 9.8 GB in the end (delta: -9.8 GB). Peak memory consumption was 3.3 GB. Max. memory is 16.1 GB. [2021-08-25 20:47:02,627 INFO L168 Benchmark]: CDTParser took 0.14 ms. Allocated memory is still 50.3 MB. Free memory was 32.6 MB in the beginning and 32.6 MB in the end (delta: 38.1 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-08-25 20:47:02,628 INFO L168 Benchmark]: CACSL2BoogieTranslator took 633.10 ms. Allocated memory was 50.3 MB in the beginning and 75.5 MB in the end (delta: 25.2 MB). Free memory was 30.9 MB in the beginning and 42.6 MB in the end (delta: -11.7 MB). Peak memory consumption was 22.2 MB. Max. memory is 16.1 GB. [2021-08-25 20:47:02,628 INFO L168 Benchmark]: Boogie Procedure Inliner took 123.11 ms. Allocated memory is still 75.5 MB. Free memory was 42.6 MB in the beginning and 38.8 MB in the end (delta: 3.9 MB). Peak memory consumption was 18.6 MB. Max. memory is 16.1 GB. [2021-08-25 20:47:02,628 INFO L168 Benchmark]: Boogie Preprocessor took 73.97 ms. Allocated memory is still 75.5 MB. Free memory was 38.8 MB in the beginning and 28.8 MB in the end (delta: 9.9 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-08-25 20:47:02,628 INFO L168 Benchmark]: RCFGBuilder took 1545.26 ms. Allocated memory was 75.5 MB in the beginning and 165.7 MB in the end (delta: 90.2 MB). Free memory was 28.8 MB in the beginning and 62.1 MB in the end (delta: -33.3 MB). Peak memory consumption was 60.5 MB. Max. memory is 16.1 GB. [2021-08-25 20:47:02,629 INFO L168 Benchmark]: TraceAbstraction took 82631.96 ms. Allocated memory was 165.7 MB in the beginning and 13.2 GB in the end (delta: 13.0 GB). Free memory was 61.1 MB in the beginning and 9.9 GB in the end (delta: -9.8 GB). Peak memory consumption was 4.1 GB. Max. memory is 16.1 GB. [2021-08-25 20:47:02,629 INFO L168 Benchmark]: Witness Printer took 122.80 ms. Allocated memory is still 13.2 GB. Free memory was 9.9 GB in the beginning and 9.8 GB in the end (delta: 39.2 MB). Peak memory consumption was 39.8 MB. Max. memory is 16.1 GB. [2021-08-25 20:47:02,630 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14 ms. Allocated memory is still 50.3 MB. Free memory was 32.6 MB in the beginning and 32.6 MB in the end (delta: 38.1 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 633.10 ms. Allocated memory was 50.3 MB in the beginning and 75.5 MB in the end (delta: 25.2 MB). Free memory was 30.9 MB in the beginning and 42.6 MB in the end (delta: -11.7 MB). Peak memory consumption was 22.2 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 123.11 ms. Allocated memory is still 75.5 MB. Free memory was 42.6 MB in the beginning and 38.8 MB in the end (delta: 3.9 MB). Peak memory consumption was 18.6 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 73.97 ms. Allocated memory is still 75.5 MB. Free memory was 38.8 MB in the beginning and 28.8 MB in the end (delta: 9.9 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1545.26 ms. Allocated memory was 75.5 MB in the beginning and 165.7 MB in the end (delta: 90.2 MB). Free memory was 28.8 MB in the beginning and 62.1 MB in the end (delta: -33.3 MB). Peak memory consumption was 60.5 MB. Max. memory is 16.1 GB. * TraceAbstraction took 82631.96 ms. Allocated memory was 165.7 MB in the beginning and 13.2 GB in the end (delta: 13.0 GB). Free memory was 61.1 MB in the beginning and 9.9 GB in the end (delta: -9.8 GB). Peak memory consumption was 4.1 GB. Max. memory is 16.1 GB. * Witness Printer took 122.80 ms. Allocated memory is still 13.2 GB. Free memory was 9.9 GB in the beginning and 9.8 GB in the end (delta: 39.2 MB). Peak memory consumption was 39.8 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0ms ErrorAutomatonConstructionTimeTotal, 0.0ms FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0ms ErrorAutomatonConstructionTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 1642]: 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, 302 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 82526.6ms, OverallIterations: 26, TraceHistogramMax: 10, EmptinessCheckTime: 1341.5ms, AutomataDifference: 26811.7ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 11789.8ms, InitialAbstractionConstructionTime: 13.5ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 5558 SDtfs, 7658 SDslu, 1756 SDs, 0 SdLazy, 16711 SolverSat, 2746 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 12948.7ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 5156 GetRequests, 5086 SyntacticMatches, 0 SemanticMatches, 70 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 80 ImplicationChecksByTransitivity, 254.3ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=211527occurred in iteration=25, InterpolantAutomatonStates: 96, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: 14663.4ms AutomataMinimizationTime, 26 MinimizatonAttempts, 35776 StatesRemovedByMinimization, 25 NontrivialMinimizations, HoareAnnotationStatistics: 0.0ms HoareAnnotationTime, 3 LocationsWithAnnotation, 3 PreInvPairs, 1503 NumberOfFragments, 3573 HoareAnnotationTreeSize, 3 FomulaSimplifications, 108786 FormulaSimplificationTreeSizeReduction, 5033.2ms HoareSimplificationTime, 3 FomulaSimplificationsInter, 15590 FormulaSimplificationTreeSizeReductionInter, 6741.8ms HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 898.6ms SsaConstructionTime, 2319.9ms SatisfiabilityAnalysisTime, 14030.7ms InterpolantComputationTime, 14395 NumberOfCodeBlocks, 14395 NumberOfCodeBlocksAsserted, 37 NumberOfCheckSat, 14358 ConstructedInterpolants, 0 QuantifiedInterpolants, 28690 SizeOfPredicates, 7 NumberOfNonLiveVariables, 8991 ConjunctsInSsa, 29 ConjunctsInUnsatCore, 37 InterpolantComputations, 25 PerfectInterpolantSequences, 15417/15961 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: 1662]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 64]: Loop Invariant Derived loop invariant: ((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((a26 == 1 && a5 == 1) && a3 <= 1) && 1 <= a3) && a16 == 1) && !(a7 == 1)) && a11 == 1) && a23 <= 0) && a12 <= 0) && a6 <= 0) || ((((((((a25 == 1 && a5 == 1) && a16 == 1) && a26 <= 0) && a11 == 1) && a6 == 1) && a12 <= 0) && a27 == 1) && a3 == 0)) || (((((((((a26 == 1 && a20 <= 0) && a5 == 1) && a3 <= 1) && 1 <= a3) && a22 <= 0) && a11 == 1) && a6 == 1) && a12 <= 0) && a27 == 1)) || (((((((a5 == 1 && a12 == 1) && a16 == 1) && !(a7 == 1)) && a26 <= 0) && a11 == 0) && a6 == 1) && a3 == 0)) || (((((((a25 == 1 && a5 == 1) && a16 == 1) && a11 == 1) && a12 <= 0) && a27 == 1) && a3 == 0) && a6 <= 0)) || (((((((((a26 == 1 && a20 <= 0) && a5 == 1) && a3 <= 1) && 1 <= a3) && a16 == 1) && !(a7 == 1)) && a11 == 0) && a12 <= 0) && a6 <= 0)) || ((((((((a5 == 1 && a12 == 1) && a3 <= 1) && 1 <= a3) && a16 == 1) && !(a7 == 1)) && a23 <= 0) && a11 == 0) && a6 == 1)) || (((((((((a26 == 1 && a25 == 1) && a5 == 1) && a3 <= 1) && a16 == 1) && a11 == 1) && a23 <= 0) && a12 <= 0) && a27 == 1) && a6 <= 0)) || (((((((a5 == 1 && 1 <= a3) && a16 == 1) && !(a7 == 1)) && a26 <= 0) && a11 == 1) && a12 <= 0) && a6 <= 0)) || (((((((a26 == 1 && a5 == 1) && a12 == 1) && a16 == 1) && !(a7 == 1)) && a11 == 1) && a6 == 1) && a27 == 1)) || ((((((((a5 == 1 && a16 == 1) && !(a7 == 1)) && a26 <= 0) && a11 == 1) && a6 == 1) && a12 <= 0) && a27 == 1) && a3 == 0)) || (((((((((a5 == 1 && a3 <= 1) && 1 <= a3) && a16 == 1) && !(a7 == 1)) && a23 <= 0) && a11 == 0) && a6 == 1) && a12 <= 0) && a27 == 1)) || (((((a26 == 1 && a5 == 1) && a12 == 1) && a11 == 0) && a3 == 0) && a6 <= 0)) || (((((((a5 == 1 && 1 <= a3) && a12 == a11) && a16 == 1) && !(a7 == 1)) && a26 <= 0) && a11 == 0) && a6 == 1)) || (((((((((a26 == 1 && a20 <= 0) && a5 == 1) && a3 <= 1) && a16 == 1) && a22 <= 0) && a11 == 1) && a12 <= 0) && a27 == 1) && a6 <= 0)) || (((((((((a5 == 1 && a16 == 1) && !(a7 == 1)) && a26 <= 0) && a23 <= 0) && a11 == 0) && a12 <= 0) && a27 == 1) && a3 == 0) && a6 <= 0)) || (((((((a26 == 1 && a5 == 1) && 1 <= a3) && a16 == 1) && !(a7 == 1)) && a11 == 0) && a6 == 1) && a12 <= 0)) || ((((((((((a20 <= 0 && a5 == 1) && a12 == a11) && a16 == 1) && !(a7 == 1)) && a11 == 1) && a23 <= 0) && a6 == 1) && !(a25 == 1)) && a27 == 1) && a3 == 0)) || ((((((((a25 == 1 && a5 == 1) && a3 <= 1) && 1 <= a3) && a12 == a11) && a16 == 1) && !(a7 == 1)) && a11 == 1) && a6 == 1)) || ((((((a5 == 1 && a12 == 1) && !(a7 == 1)) && a26 <= 0) && a11 == 0) && a3 == 0) && a6 <= 0)) || ((((((((a26 == 1 && a5 == 1) && a16 == 1) && !(a7 == 1)) && a23 <= 0) && a11 == 0) && a6 == 1) && a12 <= 0) && a3 == 0)) || ((((((((a26 == 1 && a5 == 1) && a12 == a11) && a16 == 1) && !(a7 == 1)) && a11 == 1) && !(a25 == 1)) && a3 == 0) && a6 <= 0)) || ((((((((a5 == 1 && a12 == 1) && 1 <= a3) && a16 == 1) && !(a7 == 1)) && a23 <= 0) && a11 == 0) && a6 == 1) && a27 == 1)) || (((a5 == 1 && a12 == 1) && (((a26 == 1 && a11 == 1) && a3 == 0) || (((a26 == 1 && a3 <= 1) && a11 == 1) && a6 <= 0))) && a27 == 1)) || (((((((((a26 == 1 && a20 <= 0) && a5 == 1) && 1 <= a3) && a16 == 1) && !(a7 == 1)) && a11 == 0) && a12 <= 0) && a27 == 1) && a6 <= 0)) || (((((((a26 == 1 && a5 == 1) && a3 <= 1) && !(a7 == 1)) && a11 == 0) && a6 == 1) && a12 <= 0) && a27 == 1)) || (((((((((a26 == 1 && a25 == 1) && a5 == 1) && a16 == 1) && a11 == 1) && a23 <= 0) && a6 == 1) && a12 <= 0) && a27 == 1) && a3 == 0)) || ((((((((a5 == 1 && 1 <= a3) && a12 == a11) && a16 == 1) && !(a7 == 1)) && a11 == 1) && a6 == 1) && !(a25 == 1)) && a27 == 1)) || ((((((((a26 == 1 && a25 == 1) && a5 == 1) && 1 <= a3) && a16 == 1) && a11 == 1) && a6 == 1) && a12 <= 0) && a27 == 1)) || ((((((((((a20 <= 0 && a5 == 1) && a3 <= 1) && 1 <= a3) && a12 == a11) && a16 == 1) && !(a7 == 1)) && a11 == 1) && a23 <= 0) && !(a25 == 1)) && a6 <= 0)) || (((((((((a20 <= 0 && a5 == 1) && a3 <= 1) && 1 <= a3) && a16 == 1) && !(a7 == 1)) && a26 <= 0) && a11 == 0) && a12 <= 0) && a6 <= 0)) || (((((((a26 == 1 && a5 == 1) && a3 <= 1) && 1 <= a3) && a12 == a11) && a16 == 1) && a11 == 1) && a6 <= 0)) || (((((((a26 == 1 && a5 == 1) && a16 == 1) && !(a7 == 1)) && a11 == 1) && a12 <= 0) && a3 == 0) && a6 <= 0)) || (((((((a26 == 1 && a5 == 1) && a12 == 1) && 1 <= a3) && a16 == 1) && !(a7 == 1)) && a11 == 0) && a6 <= 0)) || (((((((a26 == 1 && a25 == 1) && a5 == 1) && a3 <= 1) && a11 == 0) && a6 == 1) && a12 <= 0) && a27 == 1)) || ((((((((((((a26 == 1 && a20 <= 0) && a5 == 1) && a16 == 1) && !(a7 == 1)) && a11 == a2) && a11 == 1) && a23 <= 0) && a6 == 1) && a29 == 1) && !(a25 == 1)) && a12 <= 0) && a27 == 1)) || ((((((((a26 == 1 && a5 == 1) && a3 <= 1) && 1 <= a3) && a16 == 1) && !(a7 == 1)) && a11 == 1) && a6 == 1) && a12 <= 0)) || ((((((((a26 == 1 && a25 == 1) && a5 == 1) && a3 <= 1) && 1 <= a3) && a11 == 1) && a6 == 1) && a12 <= 0) && a27 == 1)) || (((((((((a26 == 1 && a5 == 1) && a16 == 1) && !(a7 == 1)) && a11 == 0) && !(a25 == 1)) && a12 <= 0) && a27 == 1) && a3 == 0) && a6 <= 0)) || ((((((a26 == 1 && a5 == 1) && a12 == 1) && a3 <= 1) && a11 == 0) && a6 == 1) && a27 == 1)) || (((((a26 == 1 && a5 == 1) && a12 == 1) && a11 == 0) && a27 == 1) && a3 == 0)) || (((((((((a20 <= 0 && a5 == 1) && 1 <= a3) && a16 == 1) && !(a7 == 1)) && a26 <= 0) && a11 == 0) && a12 <= 0) && a27 == 1) && a6 <= 0)) || (((((((a26 == 1 && a25 == 1) && a12 == 1) && a3 <= 1) && a11 == 1) && a12 == a2) && a6 == 1) && a27 == 1)) || ((((((((a5 == 1 && 1 <= a3) && a16 == 1) && !(a7 == 1)) && a26 <= 0) && a11 == 0) && a6 == 1) && a12 <= 0) && a27 == 1)) || (((((((a5 == 1 && a16 == 1) && !(a7 == 1)) && a11 == 1) && a12 <= 0) && a27 == 1) && a3 == 0) && a6 <= 0)) || ((((((a26 == 1 && a25 == 1) && a12 == 1) && a12 == a2) && a11 == 0) && a27 == 1) && a3 == 0)) || (((((((a5 == 1 && a12 == 1) && 1 <= a3) && a16 == 1) && !(a7 == 1)) && a26 <= 0) && a11 == 0) && a6 == 1)) || ((((((((((a26 == 1 && a20 <= 0) && a25 == 1) && a5 == 1) && a3 <= 1) && 1 <= a3) && a16 == 1) && a11 == 0) && a12 <= 0) && a27 == 1) && a6 <= 0)) || ((((((((a5 == 1 && a12 == 1) && 1 <= a3) && a16 == 1) && !(a7 == 1)) && a26 <= 0) && a11 == 0) && a27 == 1) && a6 <= 0)) || (((((((a26 == 1 && a25 == 1) && a5 == 1) && a16 == 1) && a11 == 1) && a12 <= 0) && a3 == 0) && a6 <= 0)) || ((((((((a5 == 1 && 1 <= a3) && a16 == 1) && !(a7 == 1)) && a26 <= 0) && a11 == 1) && a6 == 1) && a12 <= 0) && a27 == 1)) || (((((((((a26 == 1 && a5 == 1) && a3 <= 1) && a16 == 1) && !(a7 == 1)) && a11 == 1) && a23 <= 0) && a12 <= 0) && a27 == 1) && a6 <= 0)) || (((((((((a25 == 1 && a5 == 1) && a16 == 1) && a26 <= 0) && a23 <= 0) && a11 == 0) && a12 <= 0) && a27 == 1) && a3 == 0) && a6 <= 0)) || ((((((((a26 == 1 && a5 == 1) && a12 == 1) && a3 <= 1) && 1 <= a3) && !(a7 == 1)) && a11 == 0) && a27 == 1) && a6 <= 0)) || (((((((a26 == 1 && a5 == 1) && a12 == 1) && 1 <= a3) && a16 == 1) && !(a7 == 1)) && a11 == 1) && a6 <= 0)) || (((((((a26 == 1 && a25 == 1) && a12 == 1) && a3 <= 1) && a12 == a2) && a11 == 0) && a6 == 1) && a27 == 1)) || (((((((a26 == 1 && a5 == 1) && a16 == 1) && !(a7 == 1)) && a11 == 1) && a6 == 1) && a12 <= 0) && a3 == 0)) || (((((((a26 == 1 && a5 == 1) && a12 == 1) && 1 <= a3) && a16 == 1) && !(a7 == 1)) && a11 == 0) && a6 == 1)) || (((((((a26 == 1 && a5 == 1) && a12 == a11) && a16 == 1) && !(a7 == 1)) && a11 == 1) && a6 == 1) && a3 == 0)) || ((((((((a26 == 1 && a20 <= 0) && a5 == 1) && 1 <= a3) && a16 == 1) && !(a7 == 1)) && a11 == 1) && a6 == 1) && a12 <= 0)) || ((((((((a26 == 1 && a5 == 1) && a3 <= 1) && 1 <= a3) && !(a7 == 1)) && a11 == 1) && a6 == 1) && a12 <= 0) && a27 == 1)) || (((((((a5 == 1 && 1 <= a3) && a16 == 1) && !(a7 == 1)) && a11 == 1) && a12 <= 0) && a27 == 1) && a6 <= 0)) || ((((((a26 == 1 && a5 == 1) && a12 == 1) && a3 <= 1) && a11 == 1) && a6 == 1) && a27 == 1) - InvariantResult [Line: 1668]: Loop Invariant Derived loop invariant: ((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((a26 == 1 && a5 == 1) && a3 <= 1) && 1 <= a3) && a16 == 1) && !(a7 == 1)) && a11 == 1) && a23 <= 0) && a12 <= 0) && a6 <= 0) || ((((((((a25 == 1 && a5 == 1) && a16 == 1) && a26 <= 0) && a11 == 1) && a6 == 1) && a12 <= 0) && a27 == 1) && a3 == 0)) || (((((((((a26 == 1 && a20 <= 0) && a5 == 1) && a3 <= 1) && 1 <= a3) && a22 <= 0) && a11 == 1) && a6 == 1) && a12 <= 0) && a27 == 1)) || (((((((a5 == 1 && a12 == 1) && a16 == 1) && !(a7 == 1)) && a26 <= 0) && a11 == 0) && a6 == 1) && a3 == 0)) || (((((((a25 == 1 && a5 == 1) && a16 == 1) && a11 == 1) && a12 <= 0) && a27 == 1) && a3 == 0) && a6 <= 0)) || (((((((((a26 == 1 && a20 <= 0) && a5 == 1) && a3 <= 1) && 1 <= a3) && a16 == 1) && !(a7 == 1)) && a11 == 0) && a12 <= 0) && a6 <= 0)) || ((((((((a5 == 1 && a12 == 1) && a3 <= 1) && 1 <= a3) && a16 == 1) && !(a7 == 1)) && a23 <= 0) && a11 == 0) && a6 == 1)) || (((((((((a26 == 1 && a25 == 1) && a5 == 1) && a3 <= 1) && a16 == 1) && a11 == 1) && a23 <= 0) && a12 <= 0) && a27 == 1) && a6 <= 0)) || (((((((a5 == 1 && 1 <= a3) && a16 == 1) && !(a7 == 1)) && a26 <= 0) && a11 == 1) && a12 <= 0) && a6 <= 0)) || (((((((a26 == 1 && a5 == 1) && a12 == 1) && a16 == 1) && !(a7 == 1)) && a11 == 1) && a6 == 1) && a27 == 1)) || ((((((((a5 == 1 && a16 == 1) && !(a7 == 1)) && a26 <= 0) && a11 == 1) && a6 == 1) && a12 <= 0) && a27 == 1) && a3 == 0)) || (((((((((a5 == 1 && a3 <= 1) && 1 <= a3) && a16 == 1) && !(a7 == 1)) && a23 <= 0) && a11 == 0) && a6 == 1) && a12 <= 0) && a27 == 1)) || (((((a26 == 1 && a5 == 1) && a12 == 1) && a11 == 0) && a3 == 0) && a6 <= 0)) || (((((((a5 == 1 && 1 <= a3) && a12 == a11) && a16 == 1) && !(a7 == 1)) && a26 <= 0) && a11 == 0) && a6 == 1)) || (((((((((a26 == 1 && a20 <= 0) && a5 == 1) && a3 <= 1) && a16 == 1) && a22 <= 0) && a11 == 1) && a12 <= 0) && a27 == 1) && a6 <= 0)) || (((((((((a5 == 1 && a16 == 1) && !(a7 == 1)) && a26 <= 0) && a23 <= 0) && a11 == 0) && a12 <= 0) && a27 == 1) && a3 == 0) && a6 <= 0)) || (((((((a26 == 1 && a5 == 1) && 1 <= a3) && a16 == 1) && !(a7 == 1)) && a11 == 0) && a6 == 1) && a12 <= 0)) || ((((((((((a20 <= 0 && a5 == 1) && a12 == a11) && a16 == 1) && !(a7 == 1)) && a11 == 1) && a23 <= 0) && a6 == 1) && !(a25 == 1)) && a27 == 1) && a3 == 0)) || ((((((((a25 == 1 && a5 == 1) && a3 <= 1) && 1 <= a3) && a12 == a11) && a16 == 1) && !(a7 == 1)) && a11 == 1) && a6 == 1)) || ((((((a5 == 1 && a12 == 1) && !(a7 == 1)) && a26 <= 0) && a11 == 0) && a3 == 0) && a6 <= 0)) || ((((((((a26 == 1 && a5 == 1) && a16 == 1) && !(a7 == 1)) && a23 <= 0) && a11 == 0) && a6 == 1) && a12 <= 0) && a3 == 0)) || ((((((((a26 == 1 && a5 == 1) && a12 == a11) && a16 == 1) && !(a7 == 1)) && a11 == 1) && !(a25 == 1)) && a3 == 0) && a6 <= 0)) || ((((((((a5 == 1 && a12 == 1) && 1 <= a3) && a16 == 1) && !(a7 == 1)) && a23 <= 0) && a11 == 0) && a6 == 1) && a27 == 1)) || (((a5 == 1 && a12 == 1) && (((a26 == 1 && a11 == 1) && a3 == 0) || (((a26 == 1 && a3 <= 1) && a11 == 1) && a6 <= 0))) && a27 == 1)) || (((((((((a26 == 1 && a20 <= 0) && a5 == 1) && 1 <= a3) && a16 == 1) && !(a7 == 1)) && a11 == 0) && a12 <= 0) && a27 == 1) && a6 <= 0)) || (((((((a26 == 1 && a5 == 1) && a3 <= 1) && !(a7 == 1)) && a11 == 0) && a6 == 1) && a12 <= 0) && a27 == 1)) || (((((((((a26 == 1 && a25 == 1) && a5 == 1) && a16 == 1) && a11 == 1) && a23 <= 0) && a6 == 1) && a12 <= 0) && a27 == 1) && a3 == 0)) || ((((((((a5 == 1 && 1 <= a3) && a12 == a11) && a16 == 1) && !(a7 == 1)) && a11 == 1) && a6 == 1) && !(a25 == 1)) && a27 == 1)) || ((((((((a26 == 1 && a25 == 1) && a5 == 1) && 1 <= a3) && a16 == 1) && a11 == 1) && a6 == 1) && a12 <= 0) && a27 == 1)) || ((((((((((a20 <= 0 && a5 == 1) && a3 <= 1) && 1 <= a3) && a12 == a11) && a16 == 1) && !(a7 == 1)) && a11 == 1) && a23 <= 0) && !(a25 == 1)) && a6 <= 0)) || (((((((((a20 <= 0 && a5 == 1) && a3 <= 1) && 1 <= a3) && a16 == 1) && !(a7 == 1)) && a26 <= 0) && a11 == 0) && a12 <= 0) && a6 <= 0)) || (((((((a26 == 1 && a5 == 1) && a3 <= 1) && 1 <= a3) && a12 == a11) && a16 == 1) && a11 == 1) && a6 <= 0)) || (((((((a26 == 1 && a5 == 1) && a16 == 1) && !(a7 == 1)) && a11 == 1) && a12 <= 0) && a3 == 0) && a6 <= 0)) || (((((((a26 == 1 && a5 == 1) && a12 == 1) && 1 <= a3) && a16 == 1) && !(a7 == 1)) && a11 == 0) && a6 <= 0)) || (((((((a26 == 1 && a25 == 1) && a5 == 1) && a3 <= 1) && a11 == 0) && a6 == 1) && a12 <= 0) && a27 == 1)) || ((((((((((((a26 == 1 && a20 <= 0) && a5 == 1) && a16 == 1) && !(a7 == 1)) && a11 == a2) && a11 == 1) && a23 <= 0) && a6 == 1) && a29 == 1) && !(a25 == 1)) && a12 <= 0) && a27 == 1)) || ((((((((a26 == 1 && a5 == 1) && a3 <= 1) && 1 <= a3) && a16 == 1) && !(a7 == 1)) && a11 == 1) && a6 == 1) && a12 <= 0)) || ((((((((a26 == 1 && a25 == 1) && a5 == 1) && a3 <= 1) && 1 <= a3) && a11 == 1) && a6 == 1) && a12 <= 0) && a27 == 1)) || (((((((((a26 == 1 && a5 == 1) && a16 == 1) && !(a7 == 1)) && a11 == 0) && !(a25 == 1)) && a12 <= 0) && a27 == 1) && a3 == 0) && a6 <= 0)) || ((((((a26 == 1 && a5 == 1) && a12 == 1) && a3 <= 1) && a11 == 0) && a6 == 1) && a27 == 1)) || (((((a26 == 1 && a5 == 1) && a12 == 1) && a11 == 0) && a27 == 1) && a3 == 0)) || (((((((((a20 <= 0 && a5 == 1) && 1 <= a3) && a16 == 1) && !(a7 == 1)) && a26 <= 0) && a11 == 0) && a12 <= 0) && a27 == 1) && a6 <= 0)) || (((((((a26 == 1 && a25 == 1) && a12 == 1) && a3 <= 1) && a11 == 1) && a12 == a2) && a6 == 1) && a27 == 1)) || ((((((((a5 == 1 && 1 <= a3) && a16 == 1) && !(a7 == 1)) && a26 <= 0) && a11 == 0) && a6 == 1) && a12 <= 0) && a27 == 1)) || (((((((a5 == 1 && a16 == 1) && !(a7 == 1)) && a11 == 1) && a12 <= 0) && a27 == 1) && a3 == 0) && a6 <= 0)) || ((((((a26 == 1 && a25 == 1) && a12 == 1) && a12 == a2) && a11 == 0) && a27 == 1) && a3 == 0)) || (((((((a5 == 1 && a12 == 1) && 1 <= a3) && a16 == 1) && !(a7 == 1)) && a26 <= 0) && a11 == 0) && a6 == 1)) || ((((((((((a26 == 1 && a20 <= 0) && a25 == 1) && a5 == 1) && a3 <= 1) && 1 <= a3) && a16 == 1) && a11 == 0) && a12 <= 0) && a27 == 1) && a6 <= 0)) || ((((((((a5 == 1 && a12 == 1) && 1 <= a3) && a16 == 1) && !(a7 == 1)) && a26 <= 0) && a11 == 0) && a27 == 1) && a6 <= 0)) || (((((((a26 == 1 && a25 == 1) && a5 == 1) && a16 == 1) && a11 == 1) && a12 <= 0) && a3 == 0) && a6 <= 0)) || ((((((((a5 == 1 && 1 <= a3) && a16 == 1) && !(a7 == 1)) && a26 <= 0) && a11 == 1) && a6 == 1) && a12 <= 0) && a27 == 1)) || (((((((((a26 == 1 && a5 == 1) && a3 <= 1) && a16 == 1) && !(a7 == 1)) && a11 == 1) && a23 <= 0) && a12 <= 0) && a27 == 1) && a6 <= 0)) || (((((((((a25 == 1 && a5 == 1) && a16 == 1) && a26 <= 0) && a23 <= 0) && a11 == 0) && a12 <= 0) && a27 == 1) && a3 == 0) && a6 <= 0)) || ((((((((a26 == 1 && a5 == 1) && a12 == 1) && a3 <= 1) && 1 <= a3) && !(a7 == 1)) && a11 == 0) && a27 == 1) && a6 <= 0)) || (((((((a26 == 1 && a5 == 1) && a12 == 1) && 1 <= a3) && a16 == 1) && !(a7 == 1)) && a11 == 1) && a6 <= 0)) || (((((((a26 == 1 && a25 == 1) && a12 == 1) && a3 <= 1) && a12 == a2) && a11 == 0) && a6 == 1) && a27 == 1)) || (((((((a26 == 1 && a5 == 1) && a16 == 1) && !(a7 == 1)) && a11 == 1) && a6 == 1) && a12 <= 0) && a3 == 0)) || (((((((a26 == 1 && a5 == 1) && a12 == 1) && 1 <= a3) && a16 == 1) && !(a7 == 1)) && a11 == 0) && a6 == 1)) || (((((((a26 == 1 && a5 == 1) && a12 == a11) && a16 == 1) && !(a7 == 1)) && a11 == 1) && a6 == 1) && a3 == 0)) || ((((((((a26 == 1 && a20 <= 0) && a5 == 1) && 1 <= a3) && a16 == 1) && !(a7 == 1)) && a11 == 1) && a6 == 1) && a12 <= 0)) || ((((((((a26 == 1 && a5 == 1) && a3 <= 1) && 1 <= a3) && !(a7 == 1)) && a11 == 1) && a6 == 1) && a12 <= 0) && a27 == 1)) || (((((((a5 == 1 && 1 <= a3) && a16 == 1) && !(a7 == 1)) && a11 == 1) && a12 <= 0) && a27 == 1) && a6 <= 0)) || ((((((a26 == 1 && a5 == 1) && a12 == 1) && a3 <= 1) && a11 == 1) && a6 == 1) && a27 == 1) RESULT: Ultimate proved your program to be correct! [2021-08-25 20:47:02,672 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...