./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/eca-rers2012/Problem03_label10.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version c3fed411 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/eca-rers2012/Problem03_label10.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 a24fec5150e44d80cd66a293e62312c173f941d5643050e415eb72b0805f56eb --- Real Ultimate output --- This is Ultimate 0.2.2-tmp.no-commuhash-c3fed41 [2021-12-17 03:30:02,281 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-17 03:30:02,282 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-17 03:30:02,307 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-17 03:30:02,308 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-17 03:30:02,311 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-17 03:30:02,313 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-17 03:30:02,318 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-17 03:30:02,319 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-17 03:30:02,320 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-17 03:30:02,320 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-17 03:30:02,321 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-17 03:30:02,322 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-17 03:30:02,326 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-17 03:30:02,327 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-17 03:30:02,329 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-17 03:30:02,331 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-17 03:30:02,333 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-17 03:30:02,334 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-17 03:30:02,337 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-17 03:30:02,339 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-17 03:30:02,342 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-17 03:30:02,343 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-17 03:30:02,344 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-17 03:30:02,345 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-17 03:30:02,346 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-17 03:30:02,346 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-17 03:30:02,348 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-17 03:30:02,348 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-17 03:30:02,349 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-17 03:30:02,350 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-17 03:30:02,350 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-17 03:30:02,351 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-17 03:30:02,351 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-17 03:30:02,352 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-17 03:30:02,353 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-17 03:30:02,353 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-17 03:30:02,354 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-17 03:30:02,354 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-17 03:30:02,355 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-17 03:30:02,355 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-17 03:30:02,356 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-12-17 03:30:02,378 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-17 03:30:02,380 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-17 03:30:02,381 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-17 03:30:02,381 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-17 03:30:02,381 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-17 03:30:02,382 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-17 03:30:02,382 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-17 03:30:02,382 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-17 03:30:02,383 INFO L138 SettingsManager]: * Use SBE=true [2021-12-17 03:30:02,383 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-17 03:30:02,383 INFO L138 SettingsManager]: * sizeof long=4 [2021-12-17 03:30:02,384 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-17 03:30:02,384 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-12-17 03:30:02,384 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-17 03:30:02,384 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-17 03:30:02,384 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-17 03:30:02,384 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-17 03:30:02,384 INFO L138 SettingsManager]: * sizeof long double=12 [2021-12-17 03:30:02,385 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-17 03:30:02,385 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-17 03:30:02,385 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-17 03:30:02,385 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-17 03:30:02,385 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-17 03:30:02,385 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-17 03:30:02,385 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-17 03:30:02,386 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-17 03:30:02,386 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-17 03:30:02,387 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-17 03:30:02,387 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-17 03:30:02,387 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-17 03:30:02,387 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-17 03:30:02,387 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-17 03:30:02,388 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-17 03:30:02,388 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-17 03:30:02,388 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a24fec5150e44d80cd66a293e62312c173f941d5643050e415eb72b0805f56eb [2021-12-17 03:30:02,565 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-17 03:30:02,586 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-17 03:30:02,588 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-17 03:30:02,589 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-17 03:30:02,589 INFO L275 PluginConnector]: CDTParser initialized [2021-12-17 03:30:02,590 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/eca-rers2012/Problem03_label10.c [2021-12-17 03:30:02,643 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f46f1aca5/274d3bed4f7f44859f35478586770cb7/FLAG8feea4d17 [2021-12-17 03:30:03,105 INFO L306 CDTParser]: Found 1 translation units. [2021-12-17 03:30:03,106 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/eca-rers2012/Problem03_label10.c [2021-12-17 03:30:03,115 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f46f1aca5/274d3bed4f7f44859f35478586770cb7/FLAG8feea4d17 [2021-12-17 03:30:03,452 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f46f1aca5/274d3bed4f7f44859f35478586770cb7 [2021-12-17 03:30:03,453 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-17 03:30:03,454 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-17 03:30:03,455 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-17 03:30:03,455 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-17 03:30:03,458 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-17 03:30:03,458 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.12 03:30:03" (1/1) ... [2021-12-17 03:30:03,459 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@37c91c05 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 03:30:03, skipping insertion in model container [2021-12-17 03:30:03,459 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.12 03:30:03" (1/1) ... [2021-12-17 03:30:03,464 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-17 03:30:03,528 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-17 03:30:03,893 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/eca-rers2012/Problem03_label10.c[58665,58678] [2021-12-17 03:30:03,949 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-17 03:30:03,955 INFO L203 MainTranslator]: Completed pre-run [2021-12-17 03:30:04,147 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/eca-rers2012/Problem03_label10.c[58665,58678] [2021-12-17 03:30:04,158 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-17 03:30:04,174 INFO L208 MainTranslator]: Completed translation [2021-12-17 03:30:04,175 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 03:30:04 WrapperNode [2021-12-17 03:30:04,175 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-17 03:30:04,176 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-17 03:30:04,176 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-17 03:30:04,176 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-17 03:30:04,181 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 03:30:04" (1/1) ... [2021-12-17 03:30:04,209 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 03:30:04" (1/1) ... [2021-12-17 03:30:04,278 INFO L137 Inliner]: procedures = 14, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 1771 [2021-12-17 03:30:04,279 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-17 03:30:04,279 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-17 03:30:04,280 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-17 03:30:04,280 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-17 03:30:04,287 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 03:30:04" (1/1) ... [2021-12-17 03:30:04,287 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 03:30:04" (1/1) ... [2021-12-17 03:30:04,300 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 03:30:04" (1/1) ... [2021-12-17 03:30:04,301 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 03:30:04" (1/1) ... [2021-12-17 03:30:04,381 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 03:30:04" (1/1) ... [2021-12-17 03:30:04,398 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 03:30:04" (1/1) ... [2021-12-17 03:30:04,408 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 03:30:04" (1/1) ... [2021-12-17 03:30:04,437 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-17 03:30:04,440 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-17 03:30:04,440 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-17 03:30:04,440 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-17 03:30:04,441 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 03:30:04" (1/1) ... [2021-12-17 03:30:04,447 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-17 03:30:04,461 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-17 03:30:04,488 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-12-17 03:30:04,491 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-12-17 03:30:04,512 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-17 03:30:04,512 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-17 03:30:04,512 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-17 03:30:04,512 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-17 03:30:04,566 INFO L236 CfgBuilder]: Building ICFG [2021-12-17 03:30:04,567 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-17 03:30:05,710 INFO L277 CfgBuilder]: Performing block encoding [2021-12-17 03:30:05,727 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-17 03:30:05,727 INFO L301 CfgBuilder]: Removed 1 assume(true) statements. [2021-12-17 03:30:05,732 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.12 03:30:05 BoogieIcfgContainer [2021-12-17 03:30:05,732 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-17 03:30:05,735 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-17 03:30:05,735 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-17 03:30:05,738 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-17 03:30:05,739 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 17.12 03:30:03" (1/3) ... [2021-12-17 03:30:05,739 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2be5dfb6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.12 03:30:05, skipping insertion in model container [2021-12-17 03:30:05,740 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 03:30:04" (2/3) ... [2021-12-17 03:30:05,740 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2be5dfb6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.12 03:30:05, skipping insertion in model container [2021-12-17 03:30:05,740 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.12 03:30:05" (3/3) ... [2021-12-17 03:30:05,742 INFO L111 eAbstractionObserver]: Analyzing ICFG Problem03_label10.c [2021-12-17 03:30:05,747 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-17 03:30:05,747 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-12-17 03:30:05,783 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-17 03:30:05,788 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-12-17 03:30:05,788 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-12-17 03:30:05,802 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) [2021-12-17 03:30:05,811 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 182 [2021-12-17 03:30:05,812 INFO L506 BasicCegarLoop]: Found error trace [2021-12-17 03:30:05,813 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-17 03:30:05,813 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-17 03:30:05,817 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-17 03:30:05,818 INFO L85 PathProgramCache]: Analyzing trace with hash 991324555, now seen corresponding path program 1 times [2021-12-17 03:30:05,825 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-17 03:30:05,826 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1591905929] [2021-12-17 03:30:05,826 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-17 03:30:05,827 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-17 03:30:06,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 03:30:06,280 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-17 03:30:06,281 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-17 03:30:06,281 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1591905929] [2021-12-17 03:30:06,282 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1591905929] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-17 03:30:06,282 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-17 03:30:06,282 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-12-17 03:30:06,283 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [399543603] [2021-12-17 03:30:06,284 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-17 03:30:06,287 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-17 03:30:06,287 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-17 03:30:06,305 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-17 03:30:06,306 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-17 03:30:06,308 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 60.333333333333336) internal successors, (181), 2 states have internal predecessors, (181), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-17 03:30:07,181 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-17 03:30:07,181 INFO L93 Difference]: Finished difference Result 810 states and 1445 transitions. [2021-12-17 03:30:07,182 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-17 03:30:07,183 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 60.333333333333336) internal successors, (181), 2 states have internal predecessors, (181), 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 181 [2021-12-17 03:30:07,184 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-17 03:30:07,193 INFO L225 Difference]: With dead ends: 810 [2021-12-17 03:30:07,193 INFO L226 Difference]: Without dead ends: 444 [2021-12-17 03:30:07,196 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-17 03:30:07,198 INFO L933 BasicCegarLoop]: 194 mSDtfsCounter, 73 mSDsluCounter, 37 mSDsCounter, 0 mSdLazyCounter, 628 mSolverCounterSat, 186 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 73 SdHoareTripleChecker+Valid, 231 SdHoareTripleChecker+Invalid, 814 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 186 IncrementalHoareTripleChecker+Valid, 628 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2021-12-17 03:30:07,199 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [73 Valid, 231 Invalid, 814 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [186 Valid, 628 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2021-12-17 03:30:07,210 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 444 states. [2021-12-17 03:30:07,234 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 444 to 444. [2021-12-17 03:30:07,235 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 444 states, 443 states have (on average 1.4288939051918736) internal successors, (633), 443 states have internal predecessors, (633), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-17 03:30:07,236 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 444 states to 444 states and 633 transitions. [2021-12-17 03:30:07,237 INFO L78 Accepts]: Start accepts. Automaton has 444 states and 633 transitions. Word has length 181 [2021-12-17 03:30:07,238 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-17 03:30:07,238 INFO L470 AbstractCegarLoop]: Abstraction has 444 states and 633 transitions. [2021-12-17 03:30:07,238 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 60.333333333333336) internal successors, (181), 2 states have internal predecessors, (181), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-17 03:30:07,238 INFO L276 IsEmpty]: Start isEmpty. Operand 444 states and 633 transitions. [2021-12-17 03:30:07,267 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 190 [2021-12-17 03:30:07,267 INFO L506 BasicCegarLoop]: Found error trace [2021-12-17 03:30:07,268 INFO L514 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] [2021-12-17 03:30:07,268 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-12-17 03:30:07,268 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-17 03:30:07,271 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-17 03:30:07,271 INFO L85 PathProgramCache]: Analyzing trace with hash -1803921076, now seen corresponding path program 1 times [2021-12-17 03:30:07,271 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-17 03:30:07,272 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1989410007] [2021-12-17 03:30:07,272 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-17 03:30:07,272 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-17 03:30:07,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 03:30:07,359 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-17 03:30:07,359 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-17 03:30:07,359 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1989410007] [2021-12-17 03:30:07,360 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1989410007] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-17 03:30:07,360 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-17 03:30:07,360 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-12-17 03:30:07,360 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1296908781] [2021-12-17 03:30:07,360 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-17 03:30:07,362 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-17 03:30:07,362 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-17 03:30:07,362 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-17 03:30:07,362 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-17 03:30:07,363 INFO L87 Difference]: Start difference. First operand 444 states and 633 transitions. Second operand has 3 states, 3 states have (on average 63.0) internal successors, (189), 2 states have internal predecessors, (189), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-17 03:30:08,069 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-17 03:30:08,069 INFO L93 Difference]: Finished difference Result 1312 states and 1878 transitions. [2021-12-17 03:30:08,069 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-17 03:30:08,070 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 63.0) internal successors, (189), 2 states have internal predecessors, (189), 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 189 [2021-12-17 03:30:08,070 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-17 03:30:08,074 INFO L225 Difference]: With dead ends: 1312 [2021-12-17 03:30:08,074 INFO L226 Difference]: Without dead ends: 870 [2021-12-17 03:30:08,080 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-17 03:30:08,081 INFO L933 BasicCegarLoop]: 77 mSDtfsCounter, 247 mSDsluCounter, 15 mSDsCounter, 0 mSdLazyCounter, 584 mSolverCounterSat, 195 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 247 SdHoareTripleChecker+Valid, 92 SdHoareTripleChecker+Invalid, 779 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 195 IncrementalHoareTripleChecker+Valid, 584 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2021-12-17 03:30:08,082 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [247 Valid, 92 Invalid, 779 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [195 Valid, 584 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2021-12-17 03:30:08,085 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 870 states. [2021-12-17 03:30:08,119 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 870 to 856. [2021-12-17 03:30:08,125 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 856 states, 855 states have (on average 1.3941520467836257) internal successors, (1192), 855 states have internal predecessors, (1192), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-17 03:30:08,127 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 856 states to 856 states and 1192 transitions. [2021-12-17 03:30:08,127 INFO L78 Accepts]: Start accepts. Automaton has 856 states and 1192 transitions. Word has length 189 [2021-12-17 03:30:08,128 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-17 03:30:08,129 INFO L470 AbstractCegarLoop]: Abstraction has 856 states and 1192 transitions. [2021-12-17 03:30:08,129 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 63.0) internal successors, (189), 2 states have internal predecessors, (189), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-17 03:30:08,129 INFO L276 IsEmpty]: Start isEmpty. Operand 856 states and 1192 transitions. [2021-12-17 03:30:08,134 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 202 [2021-12-17 03:30:08,138 INFO L506 BasicCegarLoop]: Found error trace [2021-12-17 03:30:08,138 INFO L514 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] [2021-12-17 03:30:08,138 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-12-17 03:30:08,139 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-17 03:30:08,139 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-17 03:30:08,139 INFO L85 PathProgramCache]: Analyzing trace with hash -1798503547, now seen corresponding path program 1 times [2021-12-17 03:30:08,139 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-17 03:30:08,140 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [534002796] [2021-12-17 03:30:08,140 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-17 03:30:08,140 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-17 03:30:08,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 03:30:08,205 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 29 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-12-17 03:30:08,205 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-17 03:30:08,205 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [534002796] [2021-12-17 03:30:08,206 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [534002796] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-17 03:30:08,206 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-17 03:30:08,206 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-17 03:30:08,206 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2026012175] [2021-12-17 03:30:08,206 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-17 03:30:08,207 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-17 03:30:08,207 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-17 03:30:08,207 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-17 03:30:08,207 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-17 03:30:08,208 INFO L87 Difference]: Start difference. First operand 856 states and 1192 transitions. Second operand has 3 states, 3 states have (on average 65.66666666666667) internal successors, (197), 3 states have internal predecessors, (197), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-17 03:30:08,390 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-17 03:30:08,391 INFO L93 Difference]: Finished difference Result 2548 states and 3550 transitions. [2021-12-17 03:30:08,391 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-17 03:30:08,391 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 65.66666666666667) internal successors, (197), 3 states have internal predecessors, (197), 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 201 [2021-12-17 03:30:08,391 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-17 03:30:08,406 INFO L225 Difference]: With dead ends: 2548 [2021-12-17 03:30:08,406 INFO L226 Difference]: Without dead ends: 1694 [2021-12-17 03:30:08,407 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-17 03:30:08,408 INFO L933 BasicCegarLoop]: 312 mSDtfsCounter, 361 mSDsluCounter, 273 mSDsCounter, 0 mSdLazyCounter, 138 mSolverCounterSat, 61 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 361 SdHoareTripleChecker+Valid, 585 SdHoareTripleChecker+Invalid, 199 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 61 IncrementalHoareTripleChecker+Valid, 138 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2021-12-17 03:30:08,408 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [361 Valid, 585 Invalid, 199 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [61 Valid, 138 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2021-12-17 03:30:08,410 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1694 states. [2021-12-17 03:30:08,459 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1694 to 1691. [2021-12-17 03:30:08,461 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1691 states, 1690 states have (on average 1.393491124260355) internal successors, (2355), 1690 states have internal predecessors, (2355), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-17 03:30:08,464 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1691 states to 1691 states and 2355 transitions. [2021-12-17 03:30:08,464 INFO L78 Accepts]: Start accepts. Automaton has 1691 states and 2355 transitions. Word has length 201 [2021-12-17 03:30:08,464 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-17 03:30:08,464 INFO L470 AbstractCegarLoop]: Abstraction has 1691 states and 2355 transitions. [2021-12-17 03:30:08,465 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 65.66666666666667) internal successors, (197), 3 states have internal predecessors, (197), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-17 03:30:08,465 INFO L276 IsEmpty]: Start isEmpty. Operand 1691 states and 2355 transitions. [2021-12-17 03:30:08,469 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 210 [2021-12-17 03:30:08,469 INFO L506 BasicCegarLoop]: Found error trace [2021-12-17 03:30:08,470 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 3, 3, 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] [2021-12-17 03:30:08,470 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-12-17 03:30:08,470 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-17 03:30:08,471 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-17 03:30:08,471 INFO L85 PathProgramCache]: Analyzing trace with hash 559637913, now seen corresponding path program 1 times [2021-12-17 03:30:08,471 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-17 03:30:08,471 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1013456277] [2021-12-17 03:30:08,471 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-17 03:30:08,471 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-17 03:30:08,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 03:30:08,536 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 27 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2021-12-17 03:30:08,537 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-17 03:30:08,537 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1013456277] [2021-12-17 03:30:08,537 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1013456277] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-17 03:30:08,537 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-17 03:30:08,537 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-12-17 03:30:08,537 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1638081021] [2021-12-17 03:30:08,537 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-17 03:30:08,537 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-17 03:30:08,538 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-17 03:30:08,538 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-17 03:30:08,538 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-17 03:30:08,538 INFO L87 Difference]: Start difference. First operand 1691 states and 2355 transitions. Second operand has 3 states, 3 states have (on average 65.66666666666667) internal successors, (197), 2 states have internal predecessors, (197), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-17 03:30:08,871 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-17 03:30:08,872 INFO L93 Difference]: Finished difference Result 3347 states and 4662 transitions. [2021-12-17 03:30:08,872 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-17 03:30:08,873 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 65.66666666666667) internal successors, (197), 2 states have internal predecessors, (197), 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 209 [2021-12-17 03:30:08,873 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-17 03:30:08,877 INFO L225 Difference]: With dead ends: 3347 [2021-12-17 03:30:08,877 INFO L226 Difference]: Without dead ends: 1658 [2021-12-17 03:30:08,879 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-17 03:30:08,885 INFO L933 BasicCegarLoop]: 31 mSDtfsCounter, 326 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 323 mSolverCounterSat, 26 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 326 SdHoareTripleChecker+Valid, 31 SdHoareTripleChecker+Invalid, 349 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 26 IncrementalHoareTripleChecker+Valid, 323 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2021-12-17 03:30:08,886 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [326 Valid, 31 Invalid, 349 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [26 Valid, 323 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2021-12-17 03:30:08,889 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1658 states. [2021-12-17 03:30:08,907 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1658 to 1658. [2021-12-17 03:30:08,909 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1658 states, 1657 states have (on average 1.352444176222088) internal successors, (2241), 1657 states have internal predecessors, (2241), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-17 03:30:08,912 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1658 states to 1658 states and 2241 transitions. [2021-12-17 03:30:08,912 INFO L78 Accepts]: Start accepts. Automaton has 1658 states and 2241 transitions. Word has length 209 [2021-12-17 03:30:08,912 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-17 03:30:08,912 INFO L470 AbstractCegarLoop]: Abstraction has 1658 states and 2241 transitions. [2021-12-17 03:30:08,913 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 65.66666666666667) internal successors, (197), 2 states have internal predecessors, (197), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-17 03:30:08,913 INFO L276 IsEmpty]: Start isEmpty. Operand 1658 states and 2241 transitions. [2021-12-17 03:30:08,915 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 211 [2021-12-17 03:30:08,915 INFO L506 BasicCegarLoop]: Found error trace [2021-12-17 03:30:08,916 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 3, 3, 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] [2021-12-17 03:30:08,916 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-12-17 03:30:08,916 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-17 03:30:08,917 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-17 03:30:08,917 INFO L85 PathProgramCache]: Analyzing trace with hash -295435343, now seen corresponding path program 1 times [2021-12-17 03:30:08,917 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-17 03:30:08,917 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1344688976] [2021-12-17 03:30:08,917 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-17 03:30:08,917 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-17 03:30:08,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 03:30:09,002 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 28 proven. 12 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-12-17 03:30:09,003 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-17 03:30:09,003 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1344688976] [2021-12-17 03:30:09,003 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1344688976] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-17 03:30:09,004 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [823473010] [2021-12-17 03:30:09,004 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-17 03:30:09,004 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-17 03:30:09,005 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-17 03:30:09,024 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-17 03:30:09,027 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-12-17 03:30:09,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 03:30:09,173 INFO L263 TraceCheckSpWp]: Trace formula consists of 471 conjuncts, 2 conjunts are in the unsatisfiable core [2021-12-17 03:30:09,187 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-17 03:30:09,666 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 28 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2021-12-17 03:30:09,666 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-17 03:30:09,667 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [823473010] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-17 03:30:09,667 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-12-17 03:30:09,667 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [3] total 4 [2021-12-17 03:30:09,667 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [512915833] [2021-12-17 03:30:09,668 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-17 03:30:09,668 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-17 03:30:09,668 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-17 03:30:09,669 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-17 03:30:09,669 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-12-17 03:30:09,669 INFO L87 Difference]: Start difference. First operand 1658 states and 2241 transitions. Second operand has 3 states, 3 states have (on average 66.0) internal successors, (198), 2 states have internal predecessors, (198), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-17 03:30:09,882 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-17 03:30:09,882 INFO L93 Difference]: Finished difference Result 4969 states and 6718 transitions. [2021-12-17 03:30:09,883 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-17 03:30:09,883 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 66.0) internal successors, (198), 2 states have internal predecessors, (198), 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 210 [2021-12-17 03:30:09,885 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-17 03:30:09,896 INFO L225 Difference]: With dead ends: 4969 [2021-12-17 03:30:09,898 INFO L226 Difference]: Without dead ends: 3313 [2021-12-17 03:30:09,902 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 212 GetRequests, 209 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-12-17 03:30:09,903 INFO L933 BasicCegarLoop]: 284 mSDtfsCounter, 319 mSDsluCounter, 266 mSDsCounter, 0 mSdLazyCounter, 146 mSolverCounterSat, 26 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 319 SdHoareTripleChecker+Valid, 550 SdHoareTripleChecker+Invalid, 172 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 26 IncrementalHoareTripleChecker+Valid, 146 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2021-12-17 03:30:09,904 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [319 Valid, 550 Invalid, 172 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [26 Valid, 146 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2021-12-17 03:30:09,907 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3313 states. [2021-12-17 03:30:09,960 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3313 to 3311. [2021-12-17 03:30:09,965 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3311 states, 3310 states have (on average 1.3483383685800605) internal successors, (4463), 3310 states have internal predecessors, (4463), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-17 03:30:09,972 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3311 states to 3311 states and 4463 transitions. [2021-12-17 03:30:09,973 INFO L78 Accepts]: Start accepts. Automaton has 3311 states and 4463 transitions. Word has length 210 [2021-12-17 03:30:09,973 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-17 03:30:09,973 INFO L470 AbstractCegarLoop]: Abstraction has 3311 states and 4463 transitions. [2021-12-17 03:30:09,973 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 66.0) internal successors, (198), 2 states have internal predecessors, (198), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-17 03:30:09,973 INFO L276 IsEmpty]: Start isEmpty. Operand 3311 states and 4463 transitions. [2021-12-17 03:30:09,978 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 220 [2021-12-17 03:30:09,979 INFO L506 BasicCegarLoop]: Found error trace [2021-12-17 03:30:09,979 INFO L514 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] [2021-12-17 03:30:10,020 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2021-12-17 03:30:10,198 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-17 03:30:10,198 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-17 03:30:10,199 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-17 03:30:10,199 INFO L85 PathProgramCache]: Analyzing trace with hash -942107321, now seen corresponding path program 1 times [2021-12-17 03:30:10,199 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-17 03:30:10,199 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [237257897] [2021-12-17 03:30:10,199 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-17 03:30:10,200 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-17 03:30:10,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 03:30:10,281 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 37 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-17 03:30:10,281 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-17 03:30:10,281 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [237257897] [2021-12-17 03:30:10,281 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [237257897] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-17 03:30:10,281 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [939864587] [2021-12-17 03:30:10,281 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-17 03:30:10,282 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-17 03:30:10,282 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-17 03:30:10,283 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-17 03:30:10,321 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-12-17 03:30:10,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 03:30:10,399 INFO L263 TraceCheckSpWp]: Trace formula consists of 426 conjuncts, 3 conjunts are in the unsatisfiable core [2021-12-17 03:30:10,402 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-17 03:30:10,717 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 37 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-12-17 03:30:10,718 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-17 03:30:10,718 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [939864587] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-17 03:30:10,718 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-12-17 03:30:10,718 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 5 [2021-12-17 03:30:10,718 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1644735431] [2021-12-17 03:30:10,718 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-17 03:30:10,719 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-17 03:30:10,719 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-17 03:30:10,719 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-17 03:30:10,719 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-12-17 03:30:10,719 INFO L87 Difference]: Start difference. First operand 3311 states and 4463 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) [2021-12-17 03:30:11,365 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-17 03:30:11,366 INFO L93 Difference]: Finished difference Result 9883 states and 13323 transitions. [2021-12-17 03:30:11,366 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-17 03:30:11,366 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 [2021-12-17 03:30:11,367 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-17 03:30:11,389 INFO L225 Difference]: With dead ends: 9883 [2021-12-17 03:30:11,389 INFO L226 Difference]: Without dead ends: 6574 [2021-12-17 03:30:11,394 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 221 GetRequests, 218 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-12-17 03:30:11,395 INFO L933 BasicCegarLoop]: 298 mSDtfsCounter, 69 mSDsluCounter, 16 mSDsCounter, 0 mSdLazyCounter, 536 mSolverCounterSat, 137 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 69 SdHoareTripleChecker+Valid, 314 SdHoareTripleChecker+Invalid, 673 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 137 IncrementalHoareTripleChecker+Valid, 536 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2021-12-17 03:30:11,395 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [69 Valid, 314 Invalid, 673 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [137 Valid, 536 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2021-12-17 03:30:11,400 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6574 states. [2021-12-17 03:30:11,501 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6574 to 6568. [2021-12-17 03:30:11,509 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6568 states, 6567 states have (on average 1.2727272727272727) internal successors, (8358), 6567 states have internal predecessors, (8358), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-17 03:30:11,523 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6568 states to 6568 states and 8358 transitions. [2021-12-17 03:30:11,523 INFO L78 Accepts]: Start accepts. Automaton has 6568 states and 8358 transitions. Word has length 219 [2021-12-17 03:30:11,523 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-17 03:30:11,524 INFO L470 AbstractCegarLoop]: Abstraction has 6568 states and 8358 transitions. [2021-12-17 03:30:11,524 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) [2021-12-17 03:30:11,524 INFO L276 IsEmpty]: Start isEmpty. Operand 6568 states and 8358 transitions. [2021-12-17 03:30:11,534 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 252 [2021-12-17 03:30:11,535 INFO L506 BasicCegarLoop]: Found error trace [2021-12-17 03:30:11,535 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2021-12-17 03:30:11,572 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2021-12-17 03:30:11,773 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,SelfDestructingSolverStorable5 [2021-12-17 03:30:11,773 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-17 03:30:11,774 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-17 03:30:11,774 INFO L85 PathProgramCache]: Analyzing trace with hash -1180734960, now seen corresponding path program 1 times [2021-12-17 03:30:11,774 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-17 03:30:11,774 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [512380043] [2021-12-17 03:30:11,774 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-17 03:30:11,774 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-17 03:30:11,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 03:30:11,850 INFO L134 CoverageAnalysis]: Checked inductivity of 89 backedges. 83 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-12-17 03:30:11,851 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-17 03:30:11,851 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [512380043] [2021-12-17 03:30:11,851 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [512380043] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-17 03:30:11,851 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-17 03:30:11,851 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-17 03:30:11,851 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1213153088] [2021-12-17 03:30:11,852 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-17 03:30:11,852 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-17 03:30:11,852 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-17 03:30:11,852 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-17 03:30:11,852 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-17 03:30:11,853 INFO L87 Difference]: Start difference. First operand 6568 states and 8358 transitions. Second operand has 3 states, 3 states have (on average 82.0) internal successors, (246), 3 states have internal predecessors, (246), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-17 03:30:12,477 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-17 03:30:12,477 INFO L93 Difference]: Finished difference Result 16398 states and 20800 transitions. [2021-12-17 03:30:12,478 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-17 03:30:12,478 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 82.0) internal successors, (246), 3 states have internal predecessors, (246), 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 251 [2021-12-17 03:30:12,478 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-17 03:30:12,503 INFO L225 Difference]: With dead ends: 16398 [2021-12-17 03:30:12,503 INFO L226 Difference]: Without dead ends: 9832 [2021-12-17 03:30:12,511 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-17 03:30:12,512 INFO L933 BasicCegarLoop]: 320 mSDtfsCounter, 173 mSDsluCounter, 15 mSDsCounter, 0 mSdLazyCounter, 530 mSolverCounterSat, 137 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 173 SdHoareTripleChecker+Valid, 335 SdHoareTripleChecker+Invalid, 667 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 137 IncrementalHoareTripleChecker+Valid, 530 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2021-12-17 03:30:12,512 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [173 Valid, 335 Invalid, 667 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [137 Valid, 530 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2021-12-17 03:30:12,520 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9832 states. [2021-12-17 03:30:12,631 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9832 to 9826. [2021-12-17 03:30:12,644 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9826 states, 9825 states have (on average 1.2238167938931297) internal successors, (12024), 9825 states have internal predecessors, (12024), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-17 03:30:12,663 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9826 states to 9826 states and 12024 transitions. [2021-12-17 03:30:12,663 INFO L78 Accepts]: Start accepts. Automaton has 9826 states and 12024 transitions. Word has length 251 [2021-12-17 03:30:12,664 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-17 03:30:12,664 INFO L470 AbstractCegarLoop]: Abstraction has 9826 states and 12024 transitions. [2021-12-17 03:30:12,664 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 82.0) internal successors, (246), 3 states have internal predecessors, (246), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-17 03:30:12,664 INFO L276 IsEmpty]: Start isEmpty. Operand 9826 states and 12024 transitions. [2021-12-17 03:30:12,677 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 258 [2021-12-17 03:30:12,677 INFO L506 BasicCegarLoop]: Found error trace [2021-12-17 03:30:12,677 INFO L514 BasicCegarLoop]: trace histogram [5, 5, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-17 03:30:12,677 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-12-17 03:30:12,678 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-17 03:30:12,678 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-17 03:30:12,678 INFO L85 PathProgramCache]: Analyzing trace with hash 449552924, now seen corresponding path program 1 times [2021-12-17 03:30:12,678 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-17 03:30:12,678 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1062361610] [2021-12-17 03:30:12,678 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-17 03:30:12,679 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-17 03:30:12,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 03:30:12,771 INFO L134 CoverageAnalysis]: Checked inductivity of 104 backedges. 43 proven. 0 refuted. 0 times theorem prover too weak. 61 trivial. 0 not checked. [2021-12-17 03:30:12,771 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-17 03:30:12,771 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1062361610] [2021-12-17 03:30:12,772 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1062361610] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-17 03:30:12,772 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-17 03:30:12,772 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-17 03:30:12,772 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1886811927] [2021-12-17 03:30:12,772 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-17 03:30:12,772 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-17 03:30:12,773 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-17 03:30:12,775 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-17 03:30:12,775 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-17 03:30:12,775 INFO L87 Difference]: Start difference. First operand 9826 states and 12024 transitions. Second operand has 3 states, 3 states have (on average 66.0) internal successors, (198), 3 states have internal predecessors, (198), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-17 03:30:13,395 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-17 03:30:13,396 INFO L93 Difference]: Finished difference Result 25760 states and 31336 transitions. [2021-12-17 03:30:13,396 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-17 03:30:13,396 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 66.0) internal successors, (198), 3 states have internal predecessors, (198), 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 [2021-12-17 03:30:13,396 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-17 03:30:13,442 INFO L225 Difference]: With dead ends: 25760 [2021-12-17 03:30:13,442 INFO L226 Difference]: Without dead ends: 15936 [2021-12-17 03:30:13,453 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-17 03:30:13,453 INFO L933 BasicCegarLoop]: 310 mSDtfsCounter, 214 mSDsluCounter, 17 mSDsCounter, 0 mSdLazyCounter, 550 mSolverCounterSat, 116 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 214 SdHoareTripleChecker+Valid, 327 SdHoareTripleChecker+Invalid, 666 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 116 IncrementalHoareTripleChecker+Valid, 550 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2021-12-17 03:30:13,454 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [214 Valid, 327 Invalid, 666 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [116 Valid, 550 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2021-12-17 03:30:13,465 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15936 states. [2021-12-17 03:30:13,598 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15936 to 15926. [2021-12-17 03:30:13,635 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15926 states, 15925 states have (on average 1.1805337519623234) internal successors, (18800), 15925 states have internal predecessors, (18800), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-17 03:30:13,664 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15926 states to 15926 states and 18800 transitions. [2021-12-17 03:30:13,664 INFO L78 Accepts]: Start accepts. Automaton has 15926 states and 18800 transitions. Word has length 257 [2021-12-17 03:30:13,664 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-17 03:30:13,665 INFO L470 AbstractCegarLoop]: Abstraction has 15926 states and 18800 transitions. [2021-12-17 03:30:13,665 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 66.0) internal successors, (198), 3 states have internal predecessors, (198), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-17 03:30:13,666 INFO L276 IsEmpty]: Start isEmpty. Operand 15926 states and 18800 transitions. [2021-12-17 03:30:13,684 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 260 [2021-12-17 03:30:13,685 INFO L506 BasicCegarLoop]: Found error trace [2021-12-17 03:30:13,686 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2021-12-17 03:30:13,686 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-12-17 03:30:13,686 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-17 03:30:13,687 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-17 03:30:13,687 INFO L85 PathProgramCache]: Analyzing trace with hash 1033249289, now seen corresponding path program 1 times [2021-12-17 03:30:13,687 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-17 03:30:13,687 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1845379145] [2021-12-17 03:30:13,687 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-17 03:30:13,688 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-17 03:30:13,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 03:30:13,892 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 77 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-17 03:30:13,892 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-17 03:30:13,892 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1845379145] [2021-12-17 03:30:13,892 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1845379145] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-17 03:30:13,892 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-17 03:30:13,893 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-12-17 03:30:13,893 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [742775732] [2021-12-17 03:30:13,893 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-17 03:30:13,893 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-17 03:30:13,894 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-17 03:30:13,894 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-17 03:30:13,894 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-17 03:30:13,894 INFO L87 Difference]: Start difference. First operand 15926 states and 18800 transitions. Second operand has 3 states, 3 states have (on average 86.33333333333333) internal successors, (259), 2 states have internal predecessors, (259), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-17 03:30:14,678 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-17 03:30:14,678 INFO L93 Difference]: Finished difference Result 31858 states and 37612 transitions. [2021-12-17 03:30:14,679 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-17 03:30:14,679 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 86.33333333333333) internal successors, (259), 2 states have internal predecessors, (259), 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 259 [2021-12-17 03:30:14,679 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-17 03:30:14,707 INFO L225 Difference]: With dead ends: 31858 [2021-12-17 03:30:14,707 INFO L226 Difference]: Without dead ends: 15934 [2021-12-17 03:30:14,726 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-17 03:30:14,728 INFO L933 BasicCegarLoop]: 94 mSDtfsCounter, 165 mSDsluCounter, 16 mSDsCounter, 0 mSdLazyCounter, 576 mSolverCounterSat, 74 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 165 SdHoareTripleChecker+Valid, 110 SdHoareTripleChecker+Invalid, 650 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 74 IncrementalHoareTripleChecker+Valid, 576 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2021-12-17 03:30:14,729 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [165 Valid, 110 Invalid, 650 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [74 Valid, 576 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2021-12-17 03:30:14,743 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15934 states. [2021-12-17 03:30:14,895 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15934 to 15926. [2021-12-17 03:30:14,915 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15926 states, 15925 states have (on average 1.1509576138147566) internal successors, (18329), 15925 states have internal predecessors, (18329), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-17 03:30:15,029 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15926 states to 15926 states and 18329 transitions. [2021-12-17 03:30:15,029 INFO L78 Accepts]: Start accepts. Automaton has 15926 states and 18329 transitions. Word has length 259 [2021-12-17 03:30:15,029 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-17 03:30:15,029 INFO L470 AbstractCegarLoop]: Abstraction has 15926 states and 18329 transitions. [2021-12-17 03:30:15,029 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 86.33333333333333) internal successors, (259), 2 states have internal predecessors, (259), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-17 03:30:15,029 INFO L276 IsEmpty]: Start isEmpty. Operand 15926 states and 18329 transitions. [2021-12-17 03:30:15,042 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 262 [2021-12-17 03:30:15,042 INFO L506 BasicCegarLoop]: Found error trace [2021-12-17 03:30:15,042 INFO L514 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 4, 4, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2021-12-17 03:30:15,042 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-12-17 03:30:15,042 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-17 03:30:15,043 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-17 03:30:15,043 INFO L85 PathProgramCache]: Analyzing trace with hash -1460153238, now seen corresponding path program 1 times [2021-12-17 03:30:15,043 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-17 03:30:15,043 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1146187938] [2021-12-17 03:30:15,044 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-17 03:30:15,044 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-17 03:30:15,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 03:30:15,153 INFO L134 CoverageAnalysis]: Checked inductivity of 123 backedges. 62 proven. 0 refuted. 0 times theorem prover too weak. 61 trivial. 0 not checked. [2021-12-17 03:30:15,153 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-17 03:30:15,153 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1146187938] [2021-12-17 03:30:15,153 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1146187938] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-17 03:30:15,153 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-17 03:30:15,153 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-17 03:30:15,153 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [653448435] [2021-12-17 03:30:15,153 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-17 03:30:15,154 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-17 03:30:15,154 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-17 03:30:15,154 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-17 03:30:15,154 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-12-17 03:30:15,154 INFO L87 Difference]: Start difference. First operand 15926 states and 18329 transitions. Second operand has 4 states, 4 states have (on average 50.5) internal successors, (202), 3 states have internal predecessors, (202), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-17 03:30:15,830 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-17 03:30:15,830 INFO L93 Difference]: Finished difference Result 31860 states and 36678 transitions. [2021-12-17 03:30:15,831 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-12-17 03:30:15,831 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 50.5) internal successors, (202), 3 states have internal predecessors, (202), 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 261 [2021-12-17 03:30:15,831 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-17 03:30:15,850 INFO L225 Difference]: With dead ends: 31860 [2021-12-17 03:30:15,851 INFO L226 Difference]: Without dead ends: 15936 [2021-12-17 03:30:15,865 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-12-17 03:30:15,866 INFO L933 BasicCegarLoop]: 34 mSDtfsCounter, 472 mSDsluCounter, 10 mSDsCounter, 0 mSdLazyCounter, 568 mSolverCounterSat, 186 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 472 SdHoareTripleChecker+Valid, 44 SdHoareTripleChecker+Invalid, 754 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 186 IncrementalHoareTripleChecker+Valid, 568 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2021-12-17 03:30:15,866 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [472 Valid, 44 Invalid, 754 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [186 Valid, 568 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2021-12-17 03:30:15,882 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15936 states. [2021-12-17 03:30:16,068 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15936 to 15924. [2021-12-17 03:30:16,085 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15924 states, 15923 states have (on average 1.1389185455002198) internal successors, (18135), 15923 states have internal predecessors, (18135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-17 03:30:16,108 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15924 states to 15924 states and 18135 transitions. [2021-12-17 03:30:16,109 INFO L78 Accepts]: Start accepts. Automaton has 15924 states and 18135 transitions. Word has length 261 [2021-12-17 03:30:16,109 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-17 03:30:16,109 INFO L470 AbstractCegarLoop]: Abstraction has 15924 states and 18135 transitions. [2021-12-17 03:30:16,110 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 50.5) internal successors, (202), 3 states have internal predecessors, (202), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-17 03:30:16,110 INFO L276 IsEmpty]: Start isEmpty. Operand 15924 states and 18135 transitions. [2021-12-17 03:30:16,124 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 263 [2021-12-17 03:30:16,125 INFO L506 BasicCegarLoop]: Found error trace [2021-12-17 03:30:16,125 INFO L514 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, 3, 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] [2021-12-17 03:30:16,126 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-12-17 03:30:16,126 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-17 03:30:16,126 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-17 03:30:16,126 INFO L85 PathProgramCache]: Analyzing trace with hash -901147611, now seen corresponding path program 1 times [2021-12-17 03:30:16,126 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-17 03:30:16,127 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [316550302] [2021-12-17 03:30:16,127 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-17 03:30:16,127 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-17 03:30:16,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 03:30:16,197 INFO L134 CoverageAnalysis]: Checked inductivity of 123 backedges. 74 proven. 6 refuted. 0 times theorem prover too weak. 43 trivial. 0 not checked. [2021-12-17 03:30:16,197 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-17 03:30:16,197 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [316550302] [2021-12-17 03:30:16,197 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [316550302] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-17 03:30:16,198 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [477991515] [2021-12-17 03:30:16,198 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-17 03:30:16,198 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-17 03:30:16,199 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-17 03:30:16,199 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) [2021-12-17 03:30:16,256 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2021-12-17 03:30:16,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 03:30:16,378 INFO L263 TraceCheckSpWp]: Trace formula consists of 514 conjuncts, 2 conjunts are in the unsatisfiable core [2021-12-17 03:30:16,389 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-17 03:30:16,752 INFO L134 CoverageAnalysis]: Checked inductivity of 123 backedges. 117 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-12-17 03:30:16,753 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-17 03:30:16,753 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [477991515] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-17 03:30:16,753 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-12-17 03:30:16,753 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 5 [2021-12-17 03:30:16,753 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [84446703] [2021-12-17 03:30:16,753 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-17 03:30:16,754 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-17 03:30:16,754 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-17 03:30:16,754 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-17 03:30:16,754 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-12-17 03:30:16,754 INFO L87 Difference]: Start difference. First operand 15924 states and 18135 transitions. Second operand has 3 states, 3 states have (on average 85.66666666666667) internal successors, (257), 3 states have internal predecessors, (257), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-17 03:30:17,483 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-17 03:30:17,484 INFO L93 Difference]: Finished difference Result 39972 states and 46157 transitions. [2021-12-17 03:30:17,484 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-17 03:30:17,484 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 85.66666666666667) internal successors, (257), 3 states have internal predecessors, (257), 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 262 [2021-12-17 03:30:17,485 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-17 03:30:17,513 INFO L225 Difference]: With dead ends: 39972 [2021-12-17 03:30:17,514 INFO L226 Difference]: Without dead ends: 24050 [2021-12-17 03:30:17,530 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 264 GetRequests, 261 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-12-17 03:30:17,530 INFO L933 BasicCegarLoop]: 347 mSDtfsCounter, 176 mSDsluCounter, 21 mSDsCounter, 0 mSdLazyCounter, 495 mSolverCounterSat, 165 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 176 SdHoareTripleChecker+Valid, 368 SdHoareTripleChecker+Invalid, 660 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 165 IncrementalHoareTripleChecker+Valid, 495 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2021-12-17 03:30:17,531 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [176 Valid, 368 Invalid, 660 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [165 Valid, 495 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2021-12-17 03:30:17,558 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24050 states. [2021-12-17 03:30:17,876 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24050 to 24044. [2021-12-17 03:30:17,897 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24044 states, 24043 states have (on average 1.1091377947843448) internal successors, (26667), 24043 states have internal predecessors, (26667), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-17 03:30:17,923 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24044 states to 24044 states and 26667 transitions. [2021-12-17 03:30:17,923 INFO L78 Accepts]: Start accepts. Automaton has 24044 states and 26667 transitions. Word has length 262 [2021-12-17 03:30:17,924 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-17 03:30:17,924 INFO L470 AbstractCegarLoop]: Abstraction has 24044 states and 26667 transitions. [2021-12-17 03:30:17,924 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 85.66666666666667) internal successors, (257), 3 states have internal predecessors, (257), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-17 03:30:17,924 INFO L276 IsEmpty]: Start isEmpty. Operand 24044 states and 26667 transitions. [2021-12-17 03:30:17,941 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 288 [2021-12-17 03:30:17,941 INFO L506 BasicCegarLoop]: Found error trace [2021-12-17 03:30:17,941 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-17 03:30:17,967 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2021-12-17 03:30:18,159 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-17 03:30:18,159 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-17 03:30:18,160 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-17 03:30:18,160 INFO L85 PathProgramCache]: Analyzing trace with hash 1942940899, now seen corresponding path program 1 times [2021-12-17 03:30:18,160 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-17 03:30:18,160 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [56328209] [2021-12-17 03:30:18,160 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-17 03:30:18,160 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-17 03:30:18,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 03:30:18,225 INFO L134 CoverageAnalysis]: Checked inductivity of 132 backedges. 54 proven. 0 refuted. 0 times theorem prover too weak. 78 trivial. 0 not checked. [2021-12-17 03:30:18,225 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-17 03:30:18,226 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [56328209] [2021-12-17 03:30:18,226 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [56328209] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-17 03:30:18,226 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-17 03:30:18,226 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-12-17 03:30:18,226 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [597686141] [2021-12-17 03:30:18,226 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-17 03:30:18,227 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-17 03:30:18,227 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-17 03:30:18,227 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-17 03:30:18,227 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-17 03:30:18,227 INFO L87 Difference]: Start difference. First operand 24044 states and 26667 transitions. Second operand has 3 states, 3 states have (on average 70.0) internal successors, (210), 2 states have internal predecessors, (210), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-17 03:30:19,027 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-17 03:30:19,027 INFO L93 Difference]: Finished difference Result 63747 states and 70872 transitions. [2021-12-17 03:30:19,028 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-17 03:30:19,028 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 70.0) internal successors, (210), 2 states have internal predecessors, (210), 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 287 [2021-12-17 03:30:19,028 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-17 03:30:19,073 INFO L225 Difference]: With dead ends: 63747 [2021-12-17 03:30:19,073 INFO L226 Difference]: Without dead ends: 39705 [2021-12-17 03:30:19,090 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-17 03:30:19,090 INFO L933 BasicCegarLoop]: 99 mSDtfsCounter, 206 mSDsluCounter, 16 mSDsCounter, 0 mSdLazyCounter, 599 mSolverCounterSat, 100 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 206 SdHoareTripleChecker+Valid, 115 SdHoareTripleChecker+Invalid, 699 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 100 IncrementalHoareTripleChecker+Valid, 599 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2021-12-17 03:30:19,091 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [206 Valid, 115 Invalid, 699 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [100 Valid, 599 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2021-12-17 03:30:19,119 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 39705 states. [2021-12-17 03:30:19,502 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 39705 to 38067. [2021-12-17 03:30:19,533 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 38067 states, 38066 states have (on average 1.1044238953396732) internal successors, (42041), 38066 states have internal predecessors, (42041), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-17 03:30:19,571 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38067 states to 38067 states and 42041 transitions. [2021-12-17 03:30:19,572 INFO L78 Accepts]: Start accepts. Automaton has 38067 states and 42041 transitions. Word has length 287 [2021-12-17 03:30:19,572 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-17 03:30:19,572 INFO L470 AbstractCegarLoop]: Abstraction has 38067 states and 42041 transitions. [2021-12-17 03:30:19,572 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 70.0) internal successors, (210), 2 states have internal predecessors, (210), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-17 03:30:19,572 INFO L276 IsEmpty]: Start isEmpty. Operand 38067 states and 42041 transitions. [2021-12-17 03:30:19,589 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 293 [2021-12-17 03:30:19,589 INFO L506 BasicCegarLoop]: Found error trace [2021-12-17 03:30:19,590 INFO L514 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-17 03:30:19,590 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2021-12-17 03:30:19,590 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-17 03:30:19,591 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-17 03:30:19,591 INFO L85 PathProgramCache]: Analyzing trace with hash -1132163075, now seen corresponding path program 1 times [2021-12-17 03:30:19,591 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-17 03:30:19,591 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1925959636] [2021-12-17 03:30:19,591 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-17 03:30:19,591 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-17 03:30:19,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 03:30:19,663 INFO L134 CoverageAnalysis]: Checked inductivity of 151 backedges. 74 proven. 6 refuted. 0 times theorem prover too weak. 71 trivial. 0 not checked. [2021-12-17 03:30:19,663 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-17 03:30:19,663 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1925959636] [2021-12-17 03:30:19,663 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1925959636] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-17 03:30:19,664 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1496167356] [2021-12-17 03:30:19,664 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-17 03:30:19,664 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-17 03:30:19,664 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-17 03:30:19,665 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) [2021-12-17 03:30:19,699 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2021-12-17 03:30:19,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 03:30:19,788 INFO L263 TraceCheckSpWp]: Trace formula consists of 545 conjuncts, 2 conjunts are in the unsatisfiable core [2021-12-17 03:30:19,792 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-17 03:30:20,204 INFO L134 CoverageAnalysis]: Checked inductivity of 151 backedges. 108 proven. 0 refuted. 0 times theorem prover too weak. 43 trivial. 0 not checked. [2021-12-17 03:30:20,204 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-17 03:30:20,204 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1496167356] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-17 03:30:20,204 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-12-17 03:30:20,205 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 5 [2021-12-17 03:30:20,205 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [310628612] [2021-12-17 03:30:20,205 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-17 03:30:20,205 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-17 03:30:20,205 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-17 03:30:20,206 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-17 03:30:20,206 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-12-17 03:30:20,206 INFO L87 Difference]: Start difference. First operand 38067 states and 42041 transitions. Second operand has 3 states, 3 states have (on average 85.66666666666667) internal successors, (257), 3 states have internal predecessors, (257), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-17 03:30:21,403 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-17 03:30:21,403 INFO L93 Difference]: Finished difference Result 94248 states and 104671 transitions. [2021-12-17 03:30:21,403 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-17 03:30:21,404 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 85.66666666666667) internal successors, (257), 3 states have internal predecessors, (257), 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 292 [2021-12-17 03:30:21,404 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-17 03:30:21,492 INFO L225 Difference]: With dead ends: 94248 [2021-12-17 03:30:21,493 INFO L226 Difference]: Without dead ends: 56183 [2021-12-17 03:30:21,531 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 294 GetRequests, 291 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-12-17 03:30:21,533 INFO L933 BasicCegarLoop]: 84 mSDtfsCounter, 76 mSDsluCounter, 19 mSDsCounter, 0 mSdLazyCounter, 592 mSolverCounterSat, 81 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 76 SdHoareTripleChecker+Valid, 103 SdHoareTripleChecker+Invalid, 673 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 81 IncrementalHoareTripleChecker+Valid, 592 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2021-12-17 03:30:21,533 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [76 Valid, 103 Invalid, 673 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [81 Valid, 592 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2021-12-17 03:30:21,592 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 56183 states. [2021-12-17 03:30:22,467 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 56183 to 56163. [2021-12-17 03:30:22,516 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 56163 states, 56162 states have (on average 1.1015099177379724) internal successors, (61863), 56162 states have internal predecessors, (61863), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-17 03:30:22,601 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56163 states to 56163 states and 61863 transitions. [2021-12-17 03:30:22,601 INFO L78 Accepts]: Start accepts. Automaton has 56163 states and 61863 transitions. Word has length 292 [2021-12-17 03:30:22,602 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-17 03:30:22,602 INFO L470 AbstractCegarLoop]: Abstraction has 56163 states and 61863 transitions. [2021-12-17 03:30:22,602 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 85.66666666666667) internal successors, (257), 3 states have internal predecessors, (257), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-17 03:30:22,602 INFO L276 IsEmpty]: Start isEmpty. Operand 56163 states and 61863 transitions. [2021-12-17 03:30:22,637 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 298 [2021-12-17 03:30:22,637 INFO L506 BasicCegarLoop]: Found error trace [2021-12-17 03:30:22,638 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-17 03:30:22,660 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2021-12-17 03:30:22,851 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-17 03:30:22,852 INFO L402 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-17 03:30:22,852 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-17 03:30:22,852 INFO L85 PathProgramCache]: Analyzing trace with hash 1357955854, now seen corresponding path program 1 times [2021-12-17 03:30:22,852 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-17 03:30:22,852 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [693306883] [2021-12-17 03:30:22,852 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-17 03:30:22,853 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-17 03:30:22,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 03:30:23,144 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 115 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-17 03:30:23,145 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-17 03:30:23,145 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [693306883] [2021-12-17 03:30:23,145 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [693306883] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-17 03:30:23,145 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1519076135] [2021-12-17 03:30:23,145 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-17 03:30:23,145 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-17 03:30:23,145 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-17 03:30:23,160 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) [2021-12-17 03:30:23,161 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2021-12-17 03:30:23,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 03:30:23,298 INFO L263 TraceCheckSpWp]: Trace formula consists of 514 conjuncts, 3 conjunts are in the unsatisfiable core [2021-12-17 03:30:23,302 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-17 03:30:23,701 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 115 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2021-12-17 03:30:23,701 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-17 03:30:23,701 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1519076135] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-17 03:30:23,701 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-12-17 03:30:23,701 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 5 [2021-12-17 03:30:23,701 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [752392171] [2021-12-17 03:30:23,701 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-17 03:30:23,702 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-17 03:30:23,702 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-17 03:30:23,702 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-17 03:30:23,702 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-12-17 03:30:23,702 INFO L87 Difference]: Start difference. First operand 56163 states and 61863 transitions. Second operand has 3 states, 3 states have (on average 89.33333333333333) internal successors, (268), 3 states have internal predecessors, (268), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-17 03:30:24,599 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-17 03:30:24,602 INFO L93 Difference]: Finished difference Result 131435 states and 144859 transitions. [2021-12-17 03:30:24,603 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-17 03:30:24,603 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 89.33333333333333) internal successors, (268), 3 states have internal predecessors, (268), 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 297 [2021-12-17 03:30:24,604 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-17 03:30:24,701 INFO L225 Difference]: With dead ends: 131435 [2021-12-17 03:30:24,701 INFO L226 Difference]: Without dead ends: 75274 [2021-12-17 03:30:24,744 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 299 GetRequests, 296 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-12-17 03:30:24,746 INFO L933 BasicCegarLoop]: 302 mSDtfsCounter, 48 mSDsluCounter, 25 mSDsCounter, 0 mSdLazyCounter, 507 mSolverCounterSat, 177 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 48 SdHoareTripleChecker+Valid, 327 SdHoareTripleChecker+Invalid, 684 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 177 IncrementalHoareTripleChecker+Valid, 507 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2021-12-17 03:30:24,746 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [48 Valid, 327 Invalid, 684 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [177 Valid, 507 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2021-12-17 03:30:24,803 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 75274 states. [2021-12-17 03:30:25,701 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 75274 to 71381. [2021-12-17 03:30:25,755 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 71381 states, 71380 states have (on average 1.0948865228355282) internal successors, (78153), 71380 states have internal predecessors, (78153), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-17 03:30:25,852 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71381 states to 71381 states and 78153 transitions. [2021-12-17 03:30:25,852 INFO L78 Accepts]: Start accepts. Automaton has 71381 states and 78153 transitions. Word has length 297 [2021-12-17 03:30:25,853 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-17 03:30:25,853 INFO L470 AbstractCegarLoop]: Abstraction has 71381 states and 78153 transitions. [2021-12-17 03:30:25,853 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 89.33333333333333) internal successors, (268), 3 states have internal predecessors, (268), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-17 03:30:25,853 INFO L276 IsEmpty]: Start isEmpty. Operand 71381 states and 78153 transitions. [2021-12-17 03:30:25,892 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 322 [2021-12-17 03:30:25,892 INFO L506 BasicCegarLoop]: Found error trace [2021-12-17 03:30:25,893 INFO L514 BasicCegarLoop]: trace histogram [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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2021-12-17 03:30:25,913 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2021-12-17 03:30:26,114 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2021-12-17 03:30:26,114 INFO L402 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-17 03:30:26,115 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-17 03:30:26,115 INFO L85 PathProgramCache]: Analyzing trace with hash 634397516, now seen corresponding path program 1 times [2021-12-17 03:30:26,115 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-17 03:30:26,115 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [79570173] [2021-12-17 03:30:26,115 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-17 03:30:26,115 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-17 03:30:26,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 03:30:26,235 INFO L134 CoverageAnalysis]: Checked inductivity of 227 backedges. 122 proven. 27 refuted. 0 times theorem prover too weak. 78 trivial. 0 not checked. [2021-12-17 03:30:26,236 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-17 03:30:26,236 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [79570173] [2021-12-17 03:30:26,236 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [79570173] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-17 03:30:26,236 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [399167546] [2021-12-17 03:30:26,236 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-17 03:30:26,236 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-17 03:30:26,237 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-17 03:30:26,250 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) [2021-12-17 03:30:26,252 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2021-12-17 03:30:26,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 03:30:26,562 INFO L263 TraceCheckSpWp]: Trace formula consists of 563 conjuncts, 2 conjunts are in the unsatisfiable core [2021-12-17 03:30:26,567 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-17 03:30:27,013 INFO L134 CoverageAnalysis]: Checked inductivity of 227 backedges. 139 proven. 0 refuted. 0 times theorem prover too weak. 88 trivial. 0 not checked. [2021-12-17 03:30:27,013 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-17 03:30:27,013 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [399167546] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-17 03:30:27,014 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-12-17 03:30:27,014 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 5 [2021-12-17 03:30:27,014 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1698635755] [2021-12-17 03:30:27,014 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-17 03:30:27,014 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-17 03:30:27,015 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-17 03:30:27,015 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-17 03:30:27,015 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-12-17 03:30:27,015 INFO L87 Difference]: Start difference. First operand 71381 states and 78153 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) [2021-12-17 03:30:28,121 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-17 03:30:28,122 INFO L93 Difference]: Finished difference Result 164517 states and 180684 transitions. [2021-12-17 03:30:28,122 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-17 03:30:28,122 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 321 [2021-12-17 03:30:28,123 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-17 03:30:28,253 INFO L225 Difference]: With dead ends: 164517 [2021-12-17 03:30:28,253 INFO L226 Difference]: Without dead ends: 93544 [2021-12-17 03:30:28,293 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 323 GetRequests, 320 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-12-17 03:30:28,294 INFO L933 BasicCegarLoop]: 87 mSDtfsCounter, 71 mSDsluCounter, 19 mSDsCounter, 0 mSdLazyCounter, 616 mSolverCounterSat, 50 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 71 SdHoareTripleChecker+Valid, 106 SdHoareTripleChecker+Invalid, 666 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 50 IncrementalHoareTripleChecker+Valid, 616 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2021-12-17 03:30:28,294 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [71 Valid, 106 Invalid, 666 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [50 Valid, 616 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2021-12-17 03:30:28,379 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 93544 states. [2021-12-17 03:30:29,594 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 93544 to 91912. [2021-12-17 03:30:29,658 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 91912 states, 91911 states have (on average 1.0920455658191077) internal successors, (100371), 91911 states have internal predecessors, (100371), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-17 03:30:29,768 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91912 states to 91912 states and 100371 transitions. [2021-12-17 03:30:29,769 INFO L78 Accepts]: Start accepts. Automaton has 91912 states and 100371 transitions. Word has length 321 [2021-12-17 03:30:29,770 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-17 03:30:29,770 INFO L470 AbstractCegarLoop]: Abstraction has 91912 states and 100371 transitions. [2021-12-17 03:30:29,770 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) [2021-12-17 03:30:29,770 INFO L276 IsEmpty]: Start isEmpty. Operand 91912 states and 100371 transitions. [2021-12-17 03:30:29,843 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 470 [2021-12-17 03:30:29,844 INFO L506 BasicCegarLoop]: Found error trace [2021-12-17 03:30:29,844 INFO L514 BasicCegarLoop]: trace histogram [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, 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2021-12-17 03:30:29,871 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2021-12-17 03:30:30,072 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2021-12-17 03:30:30,073 INFO L402 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-17 03:30:30,073 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-17 03:30:30,073 INFO L85 PathProgramCache]: Analyzing trace with hash 399296829, now seen corresponding path program 1 times [2021-12-17 03:30:30,073 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-17 03:30:30,074 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1046777030] [2021-12-17 03:30:30,074 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-17 03:30:30,074 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-17 03:30:30,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 03:30:30,278 INFO L134 CoverageAnalysis]: Checked inductivity of 503 backedges. 442 proven. 0 refuted. 0 times theorem prover too weak. 61 trivial. 0 not checked. [2021-12-17 03:30:30,278 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-17 03:30:30,278 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1046777030] [2021-12-17 03:30:30,279 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1046777030] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-17 03:30:30,279 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-17 03:30:30,279 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-17 03:30:30,279 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1728020044] [2021-12-17 03:30:30,279 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-17 03:30:30,280 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-17 03:30:30,280 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-17 03:30:30,280 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-17 03:30:30,280 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-17 03:30:30,280 INFO L87 Difference]: Start difference. First operand 91912 states and 100371 transitions. Second operand has 3 states, 3 states have (on average 136.33333333333334) internal successors, (409), 3 states have internal predecessors, (409), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-17 03:30:31,456 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-17 03:30:31,456 INFO L93 Difference]: Finished difference Result 168371 states and 183747 transitions. [2021-12-17 03:30:31,457 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-17 03:30:31,457 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 136.33333333333334) internal successors, (409), 3 states have internal predecessors, (409), 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 469 [2021-12-17 03:30:31,483 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-17 03:30:31,483 INFO L225 Difference]: With dead ends: 168371 [2021-12-17 03:30:31,484 INFO L226 Difference]: Without dead ends: 0 [2021-12-17 03:30:31,578 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-17 03:30:31,591 INFO L933 BasicCegarLoop]: 313 mSDtfsCounter, 126 mSDsluCounter, 15 mSDsCounter, 0 mSdLazyCounter, 512 mSolverCounterSat, 113 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 126 SdHoareTripleChecker+Valid, 328 SdHoareTripleChecker+Invalid, 625 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 113 IncrementalHoareTripleChecker+Valid, 512 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2021-12-17 03:30:31,592 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [126 Valid, 328 Invalid, 625 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [113 Valid, 512 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2021-12-17 03:30:31,593 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-12-17 03:30:31,593 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-12-17 03:30:31,593 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-17 03:30:31,594 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-12-17 03:30:31,594 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 469 [2021-12-17 03:30:31,594 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-17 03:30:31,594 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-12-17 03:30:31,594 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 136.33333333333334) internal successors, (409), 3 states have internal predecessors, (409), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-17 03:30:31,594 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-12-17 03:30:31,595 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-12-17 03:30:31,597 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2021-12-17 03:30:31,597 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2021-12-17 03:30:31,599 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-12-17 03:30:41,685 INFO L858 garLoopResultBuilder]: For program point L1621(line 1621) no Hoare annotation was computed. [2021-12-17 03:30:41,685 INFO L858 garLoopResultBuilder]: For program point L1555(line 1555) no Hoare annotation was computed. [2021-12-17 03:30:41,685 INFO L858 garLoopResultBuilder]: For program point L498(lines 498 1475) no Hoare annotation was computed. [2021-12-17 03:30:41,686 INFO L858 garLoopResultBuilder]: For program point L1489(line 1489) no Hoare annotation was computed. [2021-12-17 03:30:41,686 INFO L858 garLoopResultBuilder]: For program point L432(lines 432 1475) no Hoare annotation was computed. [2021-12-17 03:30:41,686 INFO L858 garLoopResultBuilder]: For program point L366(lines 366 1475) no Hoare annotation was computed. [2021-12-17 03:30:41,686 INFO L858 garLoopResultBuilder]: For program point L763(lines 763 1475) no Hoare annotation was computed. [2021-12-17 03:30:41,686 INFO L858 garLoopResultBuilder]: For program point L632(lines 632 1475) no Hoare annotation was computed. [2021-12-17 03:30:41,686 INFO L858 garLoopResultBuilder]: For program point L566(lines 566 1475) no Hoare annotation was computed. [2021-12-17 03:30:41,686 INFO L858 garLoopResultBuilder]: For program point L1623-1(lines 64 1660) no Hoare annotation was computed. [2021-12-17 03:30:41,687 INFO L858 garLoopResultBuilder]: For program point L1557-1(lines 64 1660) no Hoare annotation was computed. [2021-12-17 03:30:41,687 INFO L858 garLoopResultBuilder]: For program point L1491-1(lines 64 1660) no Hoare annotation was computed. [2021-12-17 03:30:41,687 INFO L858 garLoopResultBuilder]: For program point L302(lines 302 1475) no Hoare annotation was computed. [2021-12-17 03:30:41,687 INFO L858 garLoopResultBuilder]: For program point L1293(lines 1293 1475) no Hoare annotation was computed. [2021-12-17 03:30:41,687 INFO L858 garLoopResultBuilder]: For program point L1624(line 1624) no Hoare annotation was computed. [2021-12-17 03:30:41,687 INFO L858 garLoopResultBuilder]: For program point L1558(line 1558) no Hoare annotation was computed. [2021-12-17 03:30:41,688 INFO L858 garLoopResultBuilder]: For program point L1492(line 1492) no Hoare annotation was computed. [2021-12-17 03:30:41,688 INFO L858 garLoopResultBuilder]: For program point L1360(lines 1360 1475) no Hoare annotation was computed. [2021-12-17 03:30:41,688 INFO L858 garLoopResultBuilder]: For program point L1294(lines 1294 1313) no Hoare annotation was computed. [2021-12-17 03:30:41,688 INFO L858 garLoopResultBuilder]: For program point L1294-2(lines 1294 1313) no Hoare annotation was computed. [2021-12-17 03:30:41,688 INFO L858 garLoopResultBuilder]: For program point L1162(lines 1162 1475) no Hoare annotation was computed. [2021-12-17 03:30:41,688 INFO L858 garLoopResultBuilder]: For program point L105(lines 105 1475) no Hoare annotation was computed. [2021-12-17 03:30:41,688 INFO L858 garLoopResultBuilder]: For program point L1096(lines 1096 1475) no Hoare annotation was computed. [2021-12-17 03:30:41,689 INFO L858 garLoopResultBuilder]: For program point L1031(lines 1031 1475) no Hoare annotation was computed. [2021-12-17 03:30:41,689 INFO L858 garLoopResultBuilder]: For program point L965(lines 965 1475) no Hoare annotation was computed. [2021-12-17 03:30:41,689 INFO L858 garLoopResultBuilder]: For program point L899(lines 899 1475) no Hoare annotation was computed. [2021-12-17 03:30:41,689 INFO L858 garLoopResultBuilder]: For program point L1626-1(lines 64 1660) no Hoare annotation was computed. [2021-12-17 03:30:41,689 INFO L858 garLoopResultBuilder]: For program point L1560-1(lines 64 1660) no Hoare annotation was computed. [2021-12-17 03:30:41,689 INFO L858 garLoopResultBuilder]: For program point L1494-1(lines 64 1660) no Hoare annotation was computed. [2021-12-17 03:30:41,689 INFO L858 garLoopResultBuilder]: For program point L1627(line 1627) no Hoare annotation was computed. [2021-12-17 03:30:41,690 INFO L858 garLoopResultBuilder]: For program point L1561(line 1561) no Hoare annotation was computed. [2021-12-17 03:30:41,690 INFO L858 garLoopResultBuilder]: For program point L1495(line 1495) no Hoare annotation was computed. [2021-12-17 03:30:41,690 INFO L858 garLoopResultBuilder]: For program point L174(lines 174 1475) no Hoare annotation was computed. [2021-12-17 03:30:41,690 INFO L858 garLoopResultBuilder]: For program point L835(lines 835 1475) no Hoare annotation was computed. [2021-12-17 03:30:41,690 INFO L858 garLoopResultBuilder]: For program point L1629-1(lines 64 1660) no Hoare annotation was computed. [2021-12-17 03:30:41,690 INFO L858 garLoopResultBuilder]: For program point L1563-1(lines 64 1660) no Hoare annotation was computed. [2021-12-17 03:30:41,690 INFO L858 garLoopResultBuilder]: For program point L1497-1(lines 64 1660) no Hoare annotation was computed. [2021-12-17 03:30:41,690 INFO L858 garLoopResultBuilder]: For program point L771(lines 771 1475) no Hoare annotation was computed. [2021-12-17 03:30:41,691 INFO L858 garLoopResultBuilder]: For program point L1630(line 1630) no Hoare annotation was computed. [2021-12-17 03:30:41,691 INFO L858 garLoopResultBuilder]: For program point L1564(line 1564) no Hoare annotation was computed. [2021-12-17 03:30:41,691 INFO L858 garLoopResultBuilder]: For program point L507(lines 507 1475) no Hoare annotation was computed. [2021-12-17 03:30:41,691 INFO L858 garLoopResultBuilder]: For program point L1498(line 1498) no Hoare annotation was computed. [2021-12-17 03:30:41,691 INFO L858 garLoopResultBuilder]: For program point L243(lines 243 1475) no Hoare annotation was computed. [2021-12-17 03:30:41,691 INFO L858 garLoopResultBuilder]: For program point L508(lines 508 521) no Hoare annotation was computed. [2021-12-17 03:30:41,691 INFO L858 garLoopResultBuilder]: For program point L508-2(lines 508 521) no Hoare annotation was computed. [2021-12-17 03:30:41,692 INFO L858 garLoopResultBuilder]: For program point L1433(lines 1433 1475) no Hoare annotation was computed. [2021-12-17 03:30:41,692 INFO L858 garLoopResultBuilder]: For program point L376(lines 376 1475) no Hoare annotation was computed. [2021-12-17 03:30:41,692 INFO L858 garLoopResultBuilder]: For program point L1632-1(lines 64 1660) no Hoare annotation was computed. [2021-12-17 03:30:41,693 INFO L858 garLoopResultBuilder]: For program point L1566-1(lines 64 1660) no Hoare annotation was computed. [2021-12-17 03:30:41,693 INFO L858 garLoopResultBuilder]: For program point L1500-1(lines 64 1660) no Hoare annotation was computed. [2021-12-17 03:30:41,693 INFO L858 garLoopResultBuilder]: For program point L311(lines 311 1475) no Hoare annotation was computed. [2021-12-17 03:30:41,693 INFO L858 garLoopResultBuilder]: For program point L1236(lines 1236 1475) no Hoare annotation was computed. [2021-12-17 03:30:41,693 INFO L858 garLoopResultBuilder]: For program point L1633(line 1633) no Hoare annotation was computed. [2021-12-17 03:30:41,693 INFO L858 garLoopResultBuilder]: For program point L576(lines 576 1475) no Hoare annotation was computed. [2021-12-17 03:30:41,694 INFO L858 garLoopResultBuilder]: For program point L1567(line 1567) no Hoare annotation was computed. [2021-12-17 03:30:41,694 INFO L858 garLoopResultBuilder]: For program point L1501(line 1501) no Hoare annotation was computed. [2021-12-17 03:30:41,694 INFO L858 garLoopResultBuilder]: For program point L444(lines 444 1475) no Hoare annotation was computed. [2021-12-17 03:30:41,694 INFO L858 garLoopResultBuilder]: For program point L1369(lines 1369 1475) no Hoare annotation was computed. [2021-12-17 03:30:41,695 INFO L858 garLoopResultBuilder]: For program point L1105(lines 1105 1475) no Hoare annotation was computed. [2021-12-17 03:30:41,696 INFO L858 garLoopResultBuilder]: For program point L643(lines 643 1475) no Hoare annotation was computed. [2021-12-17 03:30:41,696 INFO L858 garLoopResultBuilder]: For program point L1370(lines 1370 1389) no Hoare annotation was computed. [2021-12-17 03:30:41,696 INFO L858 garLoopResultBuilder]: For program point L1370-2(lines 1370 1389) no Hoare annotation was computed. [2021-12-17 03:30:41,696 INFO L858 garLoopResultBuilder]: For program point L1172(lines 1172 1475) no Hoare annotation was computed. [2021-12-17 03:30:41,696 INFO L858 garLoopResultBuilder]: For program point L115(lines 115 1475) no Hoare annotation was computed. [2021-12-17 03:30:41,696 INFO L858 garLoopResultBuilder]: For program point L1635-1(lines 64 1660) no Hoare annotation was computed. [2021-12-17 03:30:41,696 INFO L858 garLoopResultBuilder]: For program point L1569-1(lines 64 1660) no Hoare annotation was computed. [2021-12-17 03:30:41,697 INFO L858 garLoopResultBuilder]: For program point L1503-1(lines 64 1660) no Hoare annotation was computed. [2021-12-17 03:30:41,697 INFO L858 garLoopResultBuilder]: For program point L248(lines 248 1475) no Hoare annotation was computed. [2021-12-17 03:30:41,697 INFO L858 garLoopResultBuilder]: For program point L182(lines 182 1475) no Hoare annotation was computed. [2021-12-17 03:30:41,697 INFO L858 garLoopResultBuilder]: For program point L1041(lines 1041 1475) no Hoare annotation was computed. [2021-12-17 03:30:41,697 INFO L858 garLoopResultBuilder]: For program point L909(lines 909 1475) no Hoare annotation was computed. [2021-12-17 03:30:41,697 INFO L858 garLoopResultBuilder]: For program point L711(lines 711 1475) no Hoare annotation was computed. [2021-12-17 03:30:41,697 INFO L858 garLoopResultBuilder]: For program point L1636(line 1636) no Hoare annotation was computed. [2021-12-17 03:30:41,697 INFO L858 garLoopResultBuilder]: For program point L1570(line 1570) no Hoare annotation was computed. [2021-12-17 03:30:41,698 INFO L858 garLoopResultBuilder]: For program point L1504(line 1504) no Hoare annotation was computed. [2021-12-17 03:30:41,698 INFO L858 garLoopResultBuilder]: For program point L976(lines 976 1475) no Hoare annotation was computed. [2021-12-17 03:30:41,698 INFO L858 garLoopResultBuilder]: For program point L779(lines 779 1475) no Hoare annotation was computed. [2021-12-17 03:30:41,698 INFO L858 garLoopResultBuilder]: For program point L1638-1(lines 64 1660) no Hoare annotation was computed. [2021-12-17 03:30:41,698 INFO L858 garLoopResultBuilder]: For program point L1572-1(lines 64 1660) no Hoare annotation was computed. [2021-12-17 03:30:41,698 INFO L858 garLoopResultBuilder]: For program point L1506-1(lines 64 1660) no Hoare annotation was computed. [2021-12-17 03:30:41,698 INFO L858 garLoopResultBuilder]: For program point L846(lines 846 1475) no Hoare annotation was computed. [2021-12-17 03:30:41,698 INFO L858 garLoopResultBuilder]: For program point L1639(line 1639) no Hoare annotation was computed. [2021-12-17 03:30:41,699 INFO L858 garLoopResultBuilder]: For program point L1573(line 1573) no Hoare annotation was computed. [2021-12-17 03:30:41,699 INFO L858 garLoopResultBuilder]: For program point L1507(line 1507) no Hoare annotation was computed. [2021-12-17 03:30:41,699 INFO L858 garLoopResultBuilder]: For program point L451(lines 451 1475) no Hoare annotation was computed. [2021-12-17 03:30:41,699 INFO L858 garLoopResultBuilder]: For program point L1442(lines 1442 1475) no Hoare annotation was computed. [2021-12-17 03:30:41,699 INFO L858 garLoopResultBuilder]: For program point L584(lines 584 1475) no Hoare annotation was computed. [2021-12-17 03:30:41,699 INFO L858 garLoopResultBuilder]: For program point L1641-1(lines 64 1660) no Hoare annotation was computed. [2021-12-17 03:30:41,699 INFO L858 garLoopResultBuilder]: For program point L1575-1(lines 64 1660) no Hoare annotation was computed. [2021-12-17 03:30:41,700 INFO L858 garLoopResultBuilder]: For program point L1509-1(lines 64 1660) no Hoare annotation was computed. [2021-12-17 03:30:41,700 INFO L858 garLoopResultBuilder]: For program point L1642(line 1642) no Hoare annotation was computed. [2021-12-17 03:30:41,700 INFO L858 garLoopResultBuilder]: For program point L1576(line 1576) no Hoare annotation was computed. [2021-12-17 03:30:41,700 INFO L858 garLoopResultBuilder]: For program point L1510(line 1510) no Hoare annotation was computed. [2021-12-17 03:30:41,700 INFO L858 garLoopResultBuilder]: For program point L387(lines 387 1475) no Hoare annotation was computed. [2021-12-17 03:30:41,700 INFO L858 garLoopResultBuilder]: For program point L1114(lines 1114 1475) no Hoare annotation was computed. [2021-12-17 03:30:41,700 INFO L858 garLoopResultBuilder]: For program point L1048(lines 1048 1475) no Hoare annotation was computed. [2021-12-17 03:30:41,700 INFO L858 garLoopResultBuilder]: For program point L388(lines 388 405) no Hoare annotation was computed. [2021-12-17 03:30:41,701 INFO L858 garLoopResultBuilder]: For program point L322(lines 322 1475) no Hoare annotation was computed. [2021-12-17 03:30:41,701 INFO L858 garLoopResultBuilder]: For program point L388-2(lines 388 405) no Hoare annotation was computed. [2021-12-17 03:30:41,701 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-12-17 03:30:41,701 INFO L858 garLoopResultBuilder]: For program point L1247(lines 1247 1475) no Hoare annotation was computed. [2021-12-17 03:30:41,701 INFO L858 garLoopResultBuilder]: For program point L124(lines 124 1475) no Hoare annotation was computed. [2021-12-17 03:30:41,701 INFO L858 garLoopResultBuilder]: For program point L1049(lines 1049 1069) no Hoare annotation was computed. [2021-12-17 03:30:41,701 INFO L858 garLoopResultBuilder]: For program point L1049-2(lines 1049 1069) no Hoare annotation was computed. [2021-12-17 03:30:41,702 INFO L858 garLoopResultBuilder]: For program point L917(lines 917 1475) no Hoare annotation was computed. [2021-12-17 03:30:41,702 INFO L858 garLoopResultBuilder]: For program point L719(lines 719 1475) no Hoare annotation was computed. [2021-12-17 03:30:41,703 INFO L858 garLoopResultBuilder]: For program point L653(lines 653 1475) no Hoare annotation was computed. [2021-12-17 03:30:41,703 INFO L858 garLoopResultBuilder]: For program point L1644-1(lines 64 1660) no Hoare annotation was computed. [2021-12-17 03:30:41,703 INFO L858 garLoopResultBuilder]: For program point L1578-1(lines 64 1660) no Hoare annotation was computed. [2021-12-17 03:30:41,703 INFO L858 garLoopResultBuilder]: For program point L1512-1(lines 64 1660) no Hoare annotation was computed. [2021-12-17 03:30:41,703 INFO L858 garLoopResultBuilder]: For program point L191(lines 191 1475) no Hoare annotation was computed. [2021-12-17 03:30:41,703 INFO L858 garLoopResultBuilder]: For program point L720(lines 720 741) no Hoare annotation was computed. [2021-12-17 03:30:41,703 INFO L858 garLoopResultBuilder]: For program point L720-2(lines 720 741) no Hoare annotation was computed. [2021-12-17 03:30:41,704 INFO L858 garLoopResultBuilder]: For program point L1645(line 1645) no Hoare annotation was computed. [2021-12-17 03:30:41,704 INFO L858 garLoopResultBuilder]: For program point L1579(line 1579) no Hoare annotation was computed. [2021-12-17 03:30:41,704 INFO L858 garLoopResultBuilder]: For program point L1513(line 1513) no Hoare annotation was computed. [2021-12-17 03:30:41,704 INFO L858 garLoopResultBuilder]: For program point L1315(lines 1315 1475) no Hoare annotation was computed. [2021-12-17 03:30:41,704 INFO L858 garLoopResultBuilder]: For program point L258(lines 258 1475) no Hoare annotation was computed. [2021-12-17 03:30:41,704 INFO L858 garLoopResultBuilder]: For program point L1183(lines 1183 1475) no Hoare annotation was computed. [2021-12-17 03:30:41,705 INFO L858 garLoopResultBuilder]: For program point L985(lines 985 1475) no Hoare annotation was computed. [2021-12-17 03:30:41,705 INFO L858 garLoopResultBuilder]: For program point L787(lines 787 1475) no Hoare annotation was computed. [2021-12-17 03:30:41,705 INFO L858 garLoopResultBuilder]: For program point L523(lines 523 1475) no Hoare annotation was computed. [2021-12-17 03:30:41,705 INFO L858 garLoopResultBuilder]: For program point L854(lines 854 1475) no Hoare annotation was computed. [2021-12-17 03:30:41,706 INFO L858 garLoopResultBuilder]: For program point L1647-1(lines 64 1660) no Hoare annotation was computed. [2021-12-17 03:30:41,706 INFO L858 garLoopResultBuilder]: For program point L1581-1(lines 64 1660) no Hoare annotation was computed. [2021-12-17 03:30:41,706 INFO L858 garLoopResultBuilder]: For program point L1515-1(lines 64 1660) no Hoare annotation was computed. [2021-12-17 03:30:41,706 INFO L858 garLoopResultBuilder]: For program point L1648(line 1648) no Hoare annotation was computed. [2021-12-17 03:30:41,706 INFO L858 garLoopResultBuilder]: For program point L1582(line 1582) no Hoare annotation was computed. [2021-12-17 03:30:41,706 INFO L858 garLoopResultBuilder]: For program point L1516(line 1516) no Hoare annotation was computed. [2021-12-17 03:30:41,707 INFO L858 garLoopResultBuilder]: For program point L460(lines 460 1475) no Hoare annotation was computed. [2021-12-17 03:30:41,707 INFO L858 garLoopResultBuilder]: For program point L593(lines 593 1475) no Hoare annotation was computed. [2021-12-17 03:30:41,707 INFO L858 garLoopResultBuilder]: For program point L1650-1(lines 64 1660) no Hoare annotation was computed. [2021-12-17 03:30:41,707 INFO L858 garLoopResultBuilder]: For program point L1584-1(lines 64 1660) no Hoare annotation was computed. [2021-12-17 03:30:41,707 INFO L858 garLoopResultBuilder]: For program point L1518-1(lines 64 1660) no Hoare annotation was computed. [2021-12-17 03:30:41,707 INFO L858 garLoopResultBuilder]: For program point L1452(lines 1452 1475) no Hoare annotation was computed. [2021-12-17 03:30:41,707 INFO L858 garLoopResultBuilder]: For program point L329(lines 329 1475) no Hoare annotation was computed. [2021-12-17 03:30:41,707 INFO L858 garLoopResultBuilder]: For program point L1122(lines 1122 1475) no Hoare annotation was computed. [2021-12-17 03:30:41,707 INFO L858 garLoopResultBuilder]: For program point L65(lines 65 1475) no Hoare annotation was computed. [2021-12-17 03:30:41,708 INFO L858 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-12-17 03:30:41,708 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 1588) no Hoare annotation was computed. [2021-12-17 03:30:41,708 INFO L858 garLoopResultBuilder]: For program point L1651(line 1651) no Hoare annotation was computed. [2021-12-17 03:30:41,708 INFO L858 garLoopResultBuilder]: For program point L1585(line 1585) no Hoare annotation was computed. [2021-12-17 03:30:41,708 INFO L858 garLoopResultBuilder]: For program point L1519(line 1519) no Hoare annotation was computed. [2021-12-17 03:30:41,708 INFO L858 garLoopResultBuilder]: For program point L66(lines 66 81) no Hoare annotation was computed. [2021-12-17 03:30:41,709 INFO L858 garLoopResultBuilder]: For program point L66-2(lines 66 81) no Hoare annotation was computed. [2021-12-17 03:30:41,709 INFO L858 garLoopResultBuilder]: For program point L794(lines 794 1475) no Hoare annotation was computed. [2021-12-17 03:30:41,709 INFO L858 garLoopResultBuilder]: For program point L1653-1(lines 64 1660) no Hoare annotation was computed. [2021-12-17 03:30:41,709 INFO L858 garLoopResultBuilder]: For program point L1587-1(lines 64 1660) no Hoare annotation was computed. [2021-12-17 03:30:41,709 INFO L858 garLoopResultBuilder]: For program point L1521-1(lines 64 1660) no Hoare annotation was computed. [2021-12-17 03:30:41,709 INFO L858 garLoopResultBuilder]: For program point L1323(lines 1323 1475) no Hoare annotation was computed. [2021-12-17 03:30:41,710 INFO L858 garLoopResultBuilder]: For program point L993(lines 993 1475) no Hoare annotation was computed. [2021-12-17 03:30:41,710 INFO L858 garLoopResultBuilder]: For program point L927(lines 927 1475) no Hoare annotation was computed. [2021-12-17 03:30:41,710 INFO L858 garLoopResultBuilder]: For program point L663(lines 663 1475) no Hoare annotation was computed. [2021-12-17 03:30:41,710 INFO L858 garLoopResultBuilder]: For program point L1654(line 1654) no Hoare annotation was computed. [2021-12-17 03:30:41,710 INFO L858 garLoopResultBuilder]: For program point L1588(line 1588) no Hoare annotation was computed. [2021-12-17 03:30:41,710 INFO L858 garLoopResultBuilder]: For program point L1522(line 1522) no Hoare annotation was computed. [2021-12-17 03:30:41,710 INFO L858 garLoopResultBuilder]: For program point L267(lines 267 1475) no Hoare annotation was computed. [2021-12-17 03:30:41,710 INFO L858 garLoopResultBuilder]: For program point L201(lines 201 1475) no Hoare annotation was computed. [2021-12-17 03:30:41,711 INFO L858 garLoopResultBuilder]: For program point L1192(lines 1192 1475) no Hoare annotation was computed. [2021-12-17 03:30:41,711 INFO L858 garLoopResultBuilder]: For program point L928(lines 928 945) no Hoare annotation was computed. [2021-12-17 03:30:41,711 INFO L858 garLoopResultBuilder]: For program point L928-2(lines 928 945) no Hoare annotation was computed. [2021-12-17 03:30:41,711 INFO L858 garLoopResultBuilder]: For program point L532(lines 532 1475) no Hoare annotation was computed. [2021-12-17 03:30:41,711 INFO L858 garLoopResultBuilder]: For program point L1391(lines 1391 1475) no Hoare annotation was computed. [2021-12-17 03:30:41,711 INFO L858 garLoopResultBuilder]: For program point L1259(lines 1259 1475) no Hoare annotation was computed. [2021-12-17 03:30:41,711 INFO L858 garLoopResultBuilder]: For program point L202(lines 202 221) no Hoare annotation was computed. [2021-12-17 03:30:41,712 INFO L858 garLoopResultBuilder]: For program point L136(lines 136 1475) no Hoare annotation was computed. [2021-12-17 03:30:41,712 INFO L858 garLoopResultBuilder]: For program point L202-2(lines 202 221) no Hoare annotation was computed. [2021-12-17 03:30:41,712 INFO L858 garLoopResultBuilder]: For program point L863(lines 863 1475) no Hoare annotation was computed. [2021-12-17 03:30:41,712 INFO L858 garLoopResultBuilder]: For program point L1656-1(lines 1656 1658) no Hoare annotation was computed. [2021-12-17 03:30:41,712 INFO L858 garLoopResultBuilder]: For program point L1590-1(lines 64 1660) no Hoare annotation was computed. [2021-12-17 03:30:41,712 INFO L858 garLoopResultBuilder]: For program point L1524-1(lines 64 1660) no Hoare annotation was computed. [2021-12-17 03:30:41,712 INFO L858 garLoopResultBuilder]: For program point L1392(lines 1392 1410) no Hoare annotation was computed. [2021-12-17 03:30:41,713 INFO L858 garLoopResultBuilder]: For program point L1392-2(lines 1392 1410) no Hoare annotation was computed. [2021-12-17 03:30:41,713 INFO L858 garLoopResultBuilder]: For program point L1260(lines 1260 1282) no Hoare annotation was computed. [2021-12-17 03:30:41,713 INFO L858 garLoopResultBuilder]: For program point L1260-2(lines 1260 1282) no Hoare annotation was computed. [2021-12-17 03:30:41,713 INFO L858 garLoopResultBuilder]: For program point L1657(line 1657) no Hoare annotation was computed. [2021-12-17 03:30:41,713 INFO L858 garLoopResultBuilder]: For program point L1591(line 1591) no Hoare annotation was computed. [2021-12-17 03:30:41,713 INFO L858 garLoopResultBuilder]: For program point L1525(line 1525) no Hoare annotation was computed. [2021-12-17 03:30:41,713 INFO L858 garLoopResultBuilder]: For program point L468(lines 468 1475) no Hoare annotation was computed. [2021-12-17 03:30:41,713 INFO L858 garLoopResultBuilder]: For program point L1130(lines 1130 1475) no Hoare annotation was computed. [2021-12-17 03:30:41,714 INFO L858 garLoopResultBuilder]: For program point L668(lines 668 1475) no Hoare annotation was computed. [2021-12-17 03:30:41,715 INFO L854 garLoopResultBuilder]: At program point L1659(lines 64 1660) the Hoare annotation is: (let ((.cse5 (= ~a12~0 1)) (.cse3 (= ~a26~0 1)) (.cse10 (<= ~a20~0 0)) (.cse1 (= 0 ~a6~0)) (.cse11 (= ~a3~0 1)) (.cse9 (not (= 1 ~a14~0))) (.cse2 (<= ~a11~0 0)) (.cse0 (= ~a5~0 1)) (.cse4 (= ~a11~0 1)) (.cse8 (<= ~a12~0 0)) (.cse6 (= ~a27~0 1)) (.cse7 (= ~a6~0 1))) (or (and .cse0 .cse1 (<= ~a3~0 0) .cse2) (and .cse0 .cse3 .cse4 .cse1) (and .cse0 .cse5 .cse4 .cse6 .cse7) (and .cse0 .cse5 .cse6 .cse1 .cse2) (and .cse0 .cse8 .cse4 .cse1 .cse9) (and .cse0 .cse10 .cse4 .cse6 .cse1) (and .cse0 .cse3 .cse4 .cse7) (and .cse0 .cse4 .cse11 .cse7) (and .cse0 .cse10 .cse6 .cse1 .cse2) (and .cse0 .cse4 .cse8 .cse6 .cse1) (and .cse0 .cse7 .cse2) (and .cse0 .cse3 .cse1 .cse2) (and .cse0 .cse10 .cse8 .cse4 .cse1) (and .cse0 .cse1 .cse11 .cse9 .cse2) (and .cse0 .cse4 .cse8 .cse6 .cse7))) [2021-12-17 03:30:41,715 INFO L858 garLoopResultBuilder]: For program point L602(lines 602 1475) no Hoare annotation was computed. [2021-12-17 03:30:41,716 INFO L858 garLoopResultBuilder]: For program point L1593-1(lines 64 1660) no Hoare annotation was computed. [2021-12-17 03:30:41,716 INFO L858 garLoopResultBuilder]: For program point L1527-1(lines 64 1660) no Hoare annotation was computed. [2021-12-17 03:30:41,716 INFO L858 garLoopResultBuilder]: For program point L1594(line 1594) no Hoare annotation was computed. [2021-12-17 03:30:41,716 INFO L858 garLoopResultBuilder]: For program point L1528(line 1528) no Hoare annotation was computed. [2021-12-17 03:30:41,716 INFO L858 garLoopResultBuilder]: For program point L1462(lines 1462 1475) no Hoare annotation was computed. [2021-12-17 03:30:41,716 INFO L858 garLoopResultBuilder]: For program point L339(lines 339 1475) no Hoare annotation was computed. [2021-12-17 03:30:41,716 INFO L858 garLoopResultBuilder]: For program point L1331(lines 1331 1475) no Hoare annotation was computed. [2021-12-17 03:30:41,717 INFO L861 garLoopResultBuilder]: At program point L1662(lines 1662 1679) the Hoare annotation is: true [2021-12-17 03:30:41,717 INFO L858 garLoopResultBuilder]: For program point L539(lines 539 1475) no Hoare annotation was computed. [2021-12-17 03:30:41,717 INFO L858 garLoopResultBuilder]: For program point L1596-1(lines 64 1660) no Hoare annotation was computed. [2021-12-17 03:30:41,717 INFO L858 garLoopResultBuilder]: For program point L1530-1(lines 64 1660) no Hoare annotation was computed. [2021-12-17 03:30:41,717 INFO L858 garLoopResultBuilder]: For program point L407(lines 407 1475) no Hoare annotation was computed. [2021-12-17 03:30:41,717 INFO L858 garLoopResultBuilder]: For program point L275(lines 275 1475) no Hoare annotation was computed. [2021-12-17 03:30:41,717 INFO L858 garLoopResultBuilder]: For program point L1200(lines 1200 1475) no Hoare annotation was computed. [2021-12-17 03:30:41,718 INFO L858 garLoopResultBuilder]: For program point L1597(line 1597) no Hoare annotation was computed. [2021-12-17 03:30:41,718 INFO L858 garLoopResultBuilder]: For program point L1531(line 1531) no Hoare annotation was computed. [2021-12-17 03:30:41,718 INFO L858 garLoopResultBuilder]: For program point L805(lines 805 1475) no Hoare annotation was computed. [2021-12-17 03:30:41,718 INFO L858 garLoopResultBuilder]: For program point L145(lines 145 1475) no Hoare annotation was computed. [2021-12-17 03:30:41,718 INFO L858 garLoopResultBuilder]: For program point L1004(lines 1004 1475) no Hoare annotation was computed. [2021-12-17 03:30:41,718 INFO L858 garLoopResultBuilder]: For program point L1599-1(lines 64 1660) no Hoare annotation was computed. [2021-12-17 03:30:41,718 INFO L858 garLoopResultBuilder]: For program point L1533-1(lines 64 1660) no Hoare annotation was computed. [2021-12-17 03:30:41,718 INFO L858 garLoopResultBuilder]: For program point L1137(lines 1137 1475) no Hoare annotation was computed. [2021-12-17 03:30:41,719 INFO L858 garLoopResultBuilder]: For program point L1071(lines 1071 1475) no Hoare annotation was computed. [2021-12-17 03:30:41,719 INFO L858 garLoopResultBuilder]: For program point L873(lines 873 1475) no Hoare annotation was computed. [2021-12-17 03:30:41,719 INFO L858 garLoopResultBuilder]: For program point L675(lines 675 1475) no Hoare annotation was computed. [2021-12-17 03:30:41,719 INFO L858 garLoopResultBuilder]: For program point L1600(line 1600) no Hoare annotation was computed. [2021-12-17 03:30:41,719 INFO L858 garLoopResultBuilder]: For program point L1534(line 1534) no Hoare annotation was computed. [2021-12-17 03:30:41,719 INFO L858 garLoopResultBuilder]: For program point L477(lines 477 1475) no Hoare annotation was computed. [2021-12-17 03:30:41,719 INFO L858 garLoopResultBuilder]: For program point L1336(lines 1336 1475) no Hoare annotation was computed. [2021-12-17 03:30:41,720 INFO L858 garLoopResultBuilder]: For program point L478(lines 478 488) no Hoare annotation was computed. [2021-12-17 03:30:41,720 INFO L858 garLoopResultBuilder]: For program point L478-2(lines 478 488) no Hoare annotation was computed. [2021-12-17 03:30:41,720 INFO L858 garLoopResultBuilder]: For program point L743(lines 743 1475) no Hoare annotation was computed. [2021-12-17 03:30:41,721 INFO L854 garLoopResultBuilder]: At program point L1668-2(lines 1668 1678) the Hoare annotation is: (let ((.cse5 (= ~a12~0 1)) (.cse3 (= ~a26~0 1)) (.cse10 (<= ~a20~0 0)) (.cse1 (= 0 ~a6~0)) (.cse11 (= ~a3~0 1)) (.cse9 (not (= 1 ~a14~0))) (.cse2 (<= ~a11~0 0)) (.cse0 (= ~a5~0 1)) (.cse4 (= ~a11~0 1)) (.cse8 (<= ~a12~0 0)) (.cse6 (= ~a27~0 1)) (.cse7 (= ~a6~0 1))) (or (and .cse0 .cse1 (<= ~a3~0 0) .cse2) (and .cse0 .cse3 .cse4 .cse1) (and .cse0 .cse5 .cse4 .cse6 .cse7) (and .cse0 .cse5 .cse6 .cse1 .cse2) (and .cse0 .cse8 .cse4 .cse1 .cse9) (and .cse0 .cse10 .cse4 .cse6 .cse1) (and .cse0 .cse3 .cse4 .cse7) (and .cse0 .cse4 .cse11 .cse7) (and .cse0 .cse10 .cse6 .cse1 .cse2) (and .cse0 .cse4 .cse8 .cse6 .cse1) (and .cse0 .cse3 .cse1 .cse2) (and .cse0 .cse7 .cse2) (and .cse0 .cse10 .cse8 .cse4 .cse1) (and .cse0 .cse1 .cse11 .cse9 .cse2) (and .cse0 .cse4 .cse8 .cse6 .cse7))) [2021-12-17 03:30:41,723 INFO L858 garLoopResultBuilder]: For program point L1602-1(lines 64 1660) no Hoare annotation was computed. [2021-12-17 03:30:41,723 INFO L858 garLoopResultBuilder]: For program point L1536-1(lines 64 1660) no Hoare annotation was computed. [2021-12-17 03:30:41,723 INFO L858 garLoopResultBuilder]: For program point L1470(lines 1470 1475) no Hoare annotation was computed. [2021-12-17 03:30:41,723 INFO L858 garLoopResultBuilder]: For program point L83(lines 83 1475) no Hoare annotation was computed. [2021-12-17 03:30:41,723 INFO L858 garLoopResultBuilder]: For program point L1603(line 1603) no Hoare annotation was computed. [2021-12-17 03:30:41,724 INFO L858 garLoopResultBuilder]: For program point L1537(line 1537) no Hoare annotation was computed. [2021-12-17 03:30:41,724 INFO L858 garLoopResultBuilder]: For program point L613(lines 613 1475) no Hoare annotation was computed. [2021-12-17 03:30:41,724 INFO L858 garLoopResultBuilder]: For program point L415(lines 415 1475) no Hoare annotation was computed. [2021-12-17 03:30:41,724 INFO L858 garLoopResultBuilder]: For program point L349(lines 349 1475) no Hoare annotation was computed. [2021-12-17 03:30:41,724 INFO L858 garLoopResultBuilder]: For program point L1142(lines 1142 1475) no Hoare annotation was computed. [2021-12-17 03:30:41,724 INFO L858 garLoopResultBuilder]: For program point L1076(lines 1076 1475) no Hoare annotation was computed. [2021-12-17 03:30:41,724 INFO L858 garLoopResultBuilder]: For program point L878(lines 878 1475) no Hoare annotation was computed. [2021-12-17 03:30:41,724 INFO L858 garLoopResultBuilder]: For program point L1605-1(lines 64 1660) no Hoare annotation was computed. [2021-12-17 03:30:41,725 INFO L858 garLoopResultBuilder]: For program point L1539-1(lines 64 1660) no Hoare annotation was computed. [2021-12-17 03:30:41,725 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-12-17 03:30:41,725 INFO L858 garLoopResultBuilder]: For program point L879(lines 879 897) no Hoare annotation was computed. [2021-12-17 03:30:41,725 INFO L858 garLoopResultBuilder]: For program point L879-2(lines 879 897) no Hoare annotation was computed. [2021-12-17 03:30:41,725 INFO L858 garLoopResultBuilder]: For program point L1606(line 1606) no Hoare annotation was computed. [2021-12-17 03:30:41,725 INFO L858 garLoopResultBuilder]: For program point L549(lines 549 1475) no Hoare annotation was computed. [2021-12-17 03:30:41,725 INFO L858 garLoopResultBuilder]: For program point L1540(line 1540) no Hoare annotation was computed. [2021-12-17 03:30:41,726 INFO L858 garLoopResultBuilder]: For program point L1210(lines 1210 1475) no Hoare annotation was computed. [2021-12-17 03:30:41,726 INFO L858 garLoopResultBuilder]: For program point L814(lines 814 1475) no Hoare annotation was computed. [2021-12-17 03:30:41,726 INFO L858 garLoopResultBuilder]: For program point L1673(line 1673) no Hoare annotation was computed. [2021-12-17 03:30:41,726 INFO L858 garLoopResultBuilder]: For program point L286(lines 286 1475) no Hoare annotation was computed. [2021-12-17 03:30:41,726 INFO L858 garLoopResultBuilder]: For program point L1013(lines 1013 1475) no Hoare annotation was computed. [2021-12-17 03:30:41,726 INFO L858 garLoopResultBuilder]: For program point L947(lines 947 1475) no Hoare annotation was computed. [2021-12-17 03:30:41,726 INFO L858 garLoopResultBuilder]: For program point L1608-1(lines 64 1660) no Hoare annotation was computed. [2021-12-17 03:30:41,727 INFO L858 garLoopResultBuilder]: For program point L1542-1(lines 64 1660) no Hoare annotation was computed. [2021-12-17 03:30:41,727 INFO L858 garLoopResultBuilder]: For program point L1476(lines 1476 1478) no Hoare annotation was computed. [2021-12-17 03:30:41,727 INFO L858 garLoopResultBuilder]: For program point L1476-2(lines 64 1660) no Hoare annotation was computed. [2021-12-17 03:30:41,727 INFO L858 garLoopResultBuilder]: For program point L1609(line 1609) no Hoare annotation was computed. [2021-12-17 03:30:41,727 INFO L858 garLoopResultBuilder]: For program point L1543(line 1543) no Hoare annotation was computed. [2021-12-17 03:30:41,727 INFO L858 garLoopResultBuilder]: For program point L1477(line 1477) no Hoare annotation was computed. [2021-12-17 03:30:41,728 INFO L858 garLoopResultBuilder]: For program point L156(lines 156 1475) no Hoare annotation was computed. [2021-12-17 03:30:41,728 INFO L858 garLoopResultBuilder]: For program point L685(lines 685 1475) no Hoare annotation was computed. [2021-12-17 03:30:41,728 INFO L858 garLoopResultBuilder]: For program point L1412(lines 1412 1475) no Hoare annotation was computed. [2021-12-17 03:30:41,728 INFO L858 garLoopResultBuilder]: For program point L1346(lines 1346 1475) no Hoare annotation was computed. [2021-12-17 03:30:41,728 INFO L858 garLoopResultBuilder]: For program point L223(lines 223 1475) no Hoare annotation was computed. [2021-12-17 03:30:41,728 INFO L858 garLoopResultBuilder]: For program point L1611-1(lines 64 1660) no Hoare annotation was computed. [2021-12-17 03:30:41,728 INFO L858 garLoopResultBuilder]: For program point L1545-1(lines 64 1660) no Hoare annotation was computed. [2021-12-17 03:30:41,728 INFO L858 garLoopResultBuilder]: For program point L1479-1(lines 64 1660) no Hoare annotation was computed. [2021-12-17 03:30:41,729 INFO L858 garLoopResultBuilder]: For program point L1413(lines 1413 1431) no Hoare annotation was computed. [2021-12-17 03:30:41,729 INFO L858 garLoopResultBuilder]: For program point L1413-2(lines 1413 1431) no Hoare annotation was computed. [2021-12-17 03:30:41,729 INFO L858 garLoopResultBuilder]: For program point L92(lines 92 1475) no Hoare annotation was computed. [2021-12-17 03:30:41,729 INFO L858 garLoopResultBuilder]: For program point L753(lines 753 1475) no Hoare annotation was computed. [2021-12-17 03:30:41,729 INFO L858 garLoopResultBuilder]: For program point L1612(line 1612) no Hoare annotation was computed. [2021-12-17 03:30:41,729 INFO L858 garLoopResultBuilder]: For program point L1546(line 1546) no Hoare annotation was computed. [2021-12-17 03:30:41,729 INFO L858 garLoopResultBuilder]: For program point L1480(line 1480) no Hoare annotation was computed. [2021-12-17 03:30:41,729 INFO L858 garLoopResultBuilder]: For program point L1084(lines 1084 1475) no Hoare annotation was computed. [2021-12-17 03:30:41,730 INFO L858 garLoopResultBuilder]: For program point L556(lines 556 1475) no Hoare annotation was computed. [2021-12-17 03:30:41,730 INFO L858 garLoopResultBuilder]: For program point L490(lines 490 1475) no Hoare annotation was computed. [2021-12-17 03:30:41,730 INFO L858 garLoopResultBuilder]: For program point L424(lines 424 1475) no Hoare annotation was computed. [2021-12-17 03:30:41,730 INFO L858 garLoopResultBuilder]: For program point L358(lines 358 1475) no Hoare annotation was computed. [2021-12-17 03:30:41,730 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-12-17 03:30:41,730 INFO L858 garLoopResultBuilder]: For program point L1614-1(lines 64 1660) no Hoare annotation was computed. [2021-12-17 03:30:41,730 INFO L858 garLoopResultBuilder]: For program point L1548-1(lines 64 1660) no Hoare annotation was computed. [2021-12-17 03:30:41,730 INFO L858 garLoopResultBuilder]: For program point L1482-1(lines 64 1660) no Hoare annotation was computed. [2021-12-17 03:30:41,730 INFO L858 garLoopResultBuilder]: For program point L1284(lines 1284 1475) no Hoare annotation was computed. [2021-12-17 03:30:41,730 INFO L858 garLoopResultBuilder]: For program point L1152(lines 1152 1475) no Hoare annotation was computed. [2021-12-17 03:30:41,731 INFO L858 garLoopResultBuilder]: For program point L624(lines 624 1475) no Hoare annotation was computed. [2021-12-17 03:30:41,731 INFO L858 garLoopResultBuilder]: For program point L1615(line 1615) no Hoare annotation was computed. [2021-12-17 03:30:41,731 INFO L858 garLoopResultBuilder]: For program point L1549(line 1549) no Hoare annotation was computed. [2021-12-17 03:30:41,731 INFO L858 garLoopResultBuilder]: For program point L1483(line 1483) no Hoare annotation was computed. [2021-12-17 03:30:41,731 INFO L858 garLoopResultBuilder]: For program point L294(lines 294 1475) no Hoare annotation was computed. [2021-12-17 03:30:41,731 INFO L858 garLoopResultBuilder]: For program point L1021(lines 1021 1475) no Hoare annotation was computed. [2021-12-17 03:30:41,731 INFO L858 garLoopResultBuilder]: For program point L823(lines 823 1475) no Hoare annotation was computed. [2021-12-17 03:30:41,731 INFO L858 garLoopResultBuilder]: For program point L1220(lines 1220 1475) no Hoare annotation was computed. [2021-12-17 03:30:41,731 INFO L858 garLoopResultBuilder]: For program point L1617-1(lines 64 1660) no Hoare annotation was computed. [2021-12-17 03:30:41,732 INFO L858 garLoopResultBuilder]: For program point L1551-1(lines 64 1660) no Hoare annotation was computed. [2021-12-17 03:30:41,732 INFO L858 garLoopResultBuilder]: For program point L1485-1(lines 64 1660) no Hoare annotation was computed. [2021-12-17 03:30:41,732 INFO L858 garLoopResultBuilder]: For program point L1221(lines 1221 1234) no Hoare annotation was computed. [2021-12-17 03:30:41,732 INFO L858 garLoopResultBuilder]: For program point L1221-2(lines 1221 1234) no Hoare annotation was computed. [2021-12-17 03:30:41,732 INFO L858 garLoopResultBuilder]: For program point L957(lines 957 1475) no Hoare annotation was computed. [2021-12-17 03:30:41,732 INFO L858 garLoopResultBuilder]: For program point L1618(line 1618) no Hoare annotation was computed. [2021-12-17 03:30:41,732 INFO L858 garLoopResultBuilder]: For program point L1552(line 1552) no Hoare annotation was computed. [2021-12-17 03:30:41,732 INFO L858 garLoopResultBuilder]: For program point L1486(line 1486) no Hoare annotation was computed. [2021-12-17 03:30:41,732 INFO L858 garLoopResultBuilder]: For program point L1354(lines 1354 1475) no Hoare annotation was computed. [2021-12-17 03:30:41,733 INFO L858 garLoopResultBuilder]: For program point L165(lines 165 1475) no Hoare annotation was computed. [2021-12-17 03:30:41,733 INFO L858 garLoopResultBuilder]: For program point L99(lines 99 1475) no Hoare annotation was computed. [2021-12-17 03:30:41,733 INFO L858 garLoopResultBuilder]: For program point L694(lines 694 1475) no Hoare annotation was computed. [2021-12-17 03:30:41,733 INFO L858 garLoopResultBuilder]: For program point L232(lines 232 1475) no Hoare annotation was computed. [2021-12-17 03:30:41,733 INFO L858 garLoopResultBuilder]: For program point L695(lines 695 709) no Hoare annotation was computed. [2021-12-17 03:30:41,733 INFO L858 garLoopResultBuilder]: For program point L695-2(lines 695 709) no Hoare annotation was computed. [2021-12-17 03:30:41,733 INFO L858 garLoopResultBuilder]: For program point L1620-1(lines 64 1660) no Hoare annotation was computed. [2021-12-17 03:30:41,733 INFO L858 garLoopResultBuilder]: For program point L1554-1(lines 64 1660) no Hoare annotation was computed. [2021-12-17 03:30:41,733 INFO L858 garLoopResultBuilder]: For program point L1488-1(lines 64 1660) no Hoare annotation was computed. [2021-12-17 03:30:41,736 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-17 03:30:41,738 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-12-17 03:30:41,752 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 17.12 03:30:41 BoogieIcfgContainer [2021-12-17 03:30:41,752 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-12-17 03:30:41,753 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-12-17 03:30:41,753 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-12-17 03:30:41,753 INFO L275 PluginConnector]: Witness Printer initialized [2021-12-17 03:30:41,753 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.12 03:30:05" (3/4) ... [2021-12-17 03:30:41,756 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-12-17 03:30:41,809 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2021-12-17 03:30:41,810 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2021-12-17 03:30:41,812 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-12-17 03:30:41,813 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-12-17 03:30:41,955 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2021-12-17 03:30:41,955 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-12-17 03:30:41,955 INFO L158 Benchmark]: Toolchain (without parser) took 38500.93ms. Allocated memory was 109.1MB in the beginning and 9.4GB in the end (delta: 9.3GB). Free memory was 85.1MB in the beginning and 5.2GB in the end (delta: -5.1GB). Peak memory consumption was 4.2GB. Max. memory is 16.1GB. [2021-12-17 03:30:41,956 INFO L158 Benchmark]: CDTParser took 0.17ms. Allocated memory is still 109.1MB. Free memory was 87.6MB in the beginning and 87.5MB in the end (delta: 73.4kB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-17 03:30:41,956 INFO L158 Benchmark]: CACSL2BoogieTranslator took 720.23ms. Allocated memory was 109.1MB in the beginning and 138.4MB in the end (delta: 29.4MB). Free memory was 84.9MB in the beginning and 85.7MB in the end (delta: -781.2kB). Peak memory consumption was 47.3MB. Max. memory is 16.1GB. [2021-12-17 03:30:41,956 INFO L158 Benchmark]: Boogie Procedure Inliner took 102.60ms. Allocated memory is still 138.4MB. Free memory was 85.7MB in the beginning and 71.5MB in the end (delta: 14.2MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2021-12-17 03:30:41,957 INFO L158 Benchmark]: Boogie Preprocessor took 159.61ms. Allocated memory is still 138.4MB. Free memory was 71.5MB in the beginning and 95.7MB in the end (delta: -24.2MB). Peak memory consumption was 19.8MB. Max. memory is 16.1GB. [2021-12-17 03:30:41,957 INFO L158 Benchmark]: RCFGBuilder took 1292.66ms. Allocated memory was 138.4MB in the beginning and 255.9MB in the end (delta: 117.4MB). Free memory was 95.7MB in the beginning and 205.1MB in the end (delta: -109.4MB). Peak memory consumption was 92.8MB. Max. memory is 16.1GB. [2021-12-17 03:30:41,957 INFO L158 Benchmark]: TraceAbstraction took 36017.25ms. Allocated memory was 255.9MB in the beginning and 9.4GB in the end (delta: 9.1GB). Free memory was 204.0MB in the beginning and 5.2GB in the end (delta: -5.0GB). Peak memory consumption was 4.1GB. Max. memory is 16.1GB. [2021-12-17 03:30:41,957 INFO L158 Benchmark]: Witness Printer took 202.22ms. Allocated memory is still 9.4GB. Free memory was 5.2GB in the beginning and 5.2GB in the end (delta: 37.1MB). Peak memory consumption was 37.7MB. Max. memory is 16.1GB. [2021-12-17 03:30:41,959 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17ms. Allocated memory is still 109.1MB. Free memory was 87.6MB in the beginning and 87.5MB in the end (delta: 73.4kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 720.23ms. Allocated memory was 109.1MB in the beginning and 138.4MB in the end (delta: 29.4MB). Free memory was 84.9MB in the beginning and 85.7MB in the end (delta: -781.2kB). Peak memory consumption was 47.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 102.60ms. Allocated memory is still 138.4MB. Free memory was 85.7MB in the beginning and 71.5MB in the end (delta: 14.2MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Preprocessor took 159.61ms. Allocated memory is still 138.4MB. Free memory was 71.5MB in the beginning and 95.7MB in the end (delta: -24.2MB). Peak memory consumption was 19.8MB. Max. memory is 16.1GB. * RCFGBuilder took 1292.66ms. Allocated memory was 138.4MB in the beginning and 255.9MB in the end (delta: 117.4MB). Free memory was 95.7MB in the beginning and 205.1MB in the end (delta: -109.4MB). Peak memory consumption was 92.8MB. Max. memory is 16.1GB. * TraceAbstraction took 36017.25ms. Allocated memory was 255.9MB in the beginning and 9.4GB in the end (delta: 9.1GB). Free memory was 204.0MB in the beginning and 5.2GB in the end (delta: -5.0GB). Peak memory consumption was 4.1GB. Max. memory is 16.1GB. * Witness Printer took 202.22ms. Allocated memory is still 9.4GB. Free memory was 5.2GB in the beginning and 5.2GB in the end (delta: 37.1MB). Peak memory consumption was 37.7MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 1588]: 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: 36.0s, OverallIterations: 16, TraceHistogramMax: 5, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.3s, AutomataDifference: 12.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 10.1s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 3122 SdHoareTripleChecker+Valid, 9.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 3122 mSDsluCounter, 3966 SdHoareTripleChecker+Invalid, 7.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 780 mSDsCounter, 1830 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 7900 IncrementalHoareTripleChecker+Invalid, 9730 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1830 mSolverCounterUnsat, 3186 mSDtfsCounter, 7900 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 1638 GetRequests, 1609 SyntacticMatches, 0 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=91912occurred in iteration=15, InterpolantAutomatonStates: 49, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 5.8s AutomataMinimizationTime, 16 MinimizatonAttempts, 7250 StatesRemovedByMinimization, 13 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 3 LocationsWithAnnotation, 3 PreInvPairs, 741 NumberOfFragments, 445 HoareAnnotationTreeSize, 3 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 3.4s HoareSimplificationTime, 3 FomulaSimplificationsInter, 18842 FormulaSimplificationTreeSizeReductionInter, 6.7s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.4s SsaConstructionTime, 1.0s SatisfiabilityAnalysisTime, 3.7s InterpolantComputationTime, 5766 NumberOfCodeBlocks, 5766 NumberOfCodeBlocksAsserted, 22 NumberOfCheckSat, 5744 ConstructedInterpolants, 0 QuantifiedInterpolants, 10981 SizeOfPredicates, 0 NumberOfNonLiveVariables, 3033 ConjunctsInSsa, 14 ConjunctsInUnsatCore, 22 InterpolantComputations, 16 PerfectInterpolantSequences, 2503/2590 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: ((((((((((((((((a5 == 1 && 0 == a6) && a3 <= 0) && a11 <= 0) || (((a5 == 1 && a26 == 1) && a11 == 1) && 0 == a6)) || ((((a5 == 1 && a12 == 1) && a11 == 1) && a27 == 1) && a6 == 1)) || ((((a5 == 1 && a12 == 1) && a27 == 1) && 0 == a6) && a11 <= 0)) || ((((a5 == 1 && a12 <= 0) && a11 == 1) && 0 == a6) && !(1 == a14))) || ((((a5 == 1 && a20 <= 0) && a11 == 1) && a27 == 1) && 0 == a6)) || (((a5 == 1 && a26 == 1) && a11 == 1) && a6 == 1)) || (((a5 == 1 && a11 == 1) && a3 == 1) && a6 == 1)) || ((((a5 == 1 && a20 <= 0) && a27 == 1) && 0 == a6) && a11 <= 0)) || ((((a5 == 1 && a11 == 1) && a12 <= 0) && a27 == 1) && 0 == a6)) || ((a5 == 1 && a6 == 1) && a11 <= 0)) || (((a5 == 1 && a26 == 1) && 0 == a6) && a11 <= 0)) || ((((a5 == 1 && a20 <= 0) && a12 <= 0) && a11 == 1) && 0 == a6)) || ((((a5 == 1 && 0 == a6) && a3 == 1) && !(1 == a14)) && a11 <= 0)) || ((((a5 == 1 && a11 == 1) && a12 <= 0) && a27 == 1) && a6 == 1) - InvariantResult [Line: 1668]: Loop Invariant Derived loop invariant: ((((((((((((((((a5 == 1 && 0 == a6) && a3 <= 0) && a11 <= 0) || (((a5 == 1 && a26 == 1) && a11 == 1) && 0 == a6)) || ((((a5 == 1 && a12 == 1) && a11 == 1) && a27 == 1) && a6 == 1)) || ((((a5 == 1 && a12 == 1) && a27 == 1) && 0 == a6) && a11 <= 0)) || ((((a5 == 1 && a12 <= 0) && a11 == 1) && 0 == a6) && !(1 == a14))) || ((((a5 == 1 && a20 <= 0) && a11 == 1) && a27 == 1) && 0 == a6)) || (((a5 == 1 && a26 == 1) && a11 == 1) && a6 == 1)) || (((a5 == 1 && a11 == 1) && a3 == 1) && a6 == 1)) || ((((a5 == 1 && a20 <= 0) && a27 == 1) && 0 == a6) && a11 <= 0)) || ((((a5 == 1 && a11 == 1) && a12 <= 0) && a27 == 1) && 0 == a6)) || (((a5 == 1 && a26 == 1) && 0 == a6) && a11 <= 0)) || ((a5 == 1 && a6 == 1) && a11 <= 0)) || ((((a5 == 1 && a20 <= 0) && a12 <= 0) && a11 == 1) && 0 == a6)) || ((((a5 == 1 && 0 == a6) && a3 == 1) && !(1 == a14)) && a11 <= 0)) || ((((a5 == 1 && a11 == 1) && a12 <= 0) && a27 == 1) && a6 == 1) RESULT: Ultimate proved your program to be correct! [2021-12-17 03:30:41,990 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE